CN215381163U

CN215381163U - Liquid nitrogen refrigeration equipment for seafood production

Info

Publication number: CN215381163U
Application number: CN202122264422.8U
Authority: CN
Inventors: 展勤浩
Original assignee: Shanghai Jiusui Refrigeration System Co ltd
Current assignee: Shanghai Jiusui Refrigeration System Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-01-04
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses liquid nitrogen freezing equipment for seafood production, which comprises a bottom plate, a moving unit and a lifting unit, wherein the bottom plate is provided with a plurality of grooves; a bottom plate: the four corners of the upper surface are respectively fixed with a fixed column, the left side surface of the fixed column at the left front side is provided with a switch group, the middle part of the upper surface of the bottom plate is fixed with a liquid nitrogen box, and the right side of the upper surface of the liquid nitrogen box is rotatably connected with the right side of the lower surface of the sealing cover through a rotating shaft; a mobile unit: including movable plate, lead screw, guide arm and moving motor, the both ends of lead screw rotate with the opposite flank of two fixed column upper ends of front side respectively and are connected, and the right-hand member of lead screw passes the screw of the movable plate left surface front side of front side, and this liquid nitrogen refrigeration equipment for seafood production can prevent that seafood from beating to the outside at driven in-process, reduces staff's intensity of labour to at the frozen in-process of whole seafood, people can not touch the liquid nitrogen, can not cause the injury to people, convenient to use.

Description

Liquid nitrogen refrigeration equipment for seafood production

Technical Field

The utility model relates to the technical field of seafood production, in particular to liquid nitrogen freezing equipment for seafood production.

Background

Seafood is also called seafood food, including fish, shrimp, shellfish and other products, even sea tangle and other marine organisms are often processed into food, but seafood is mainly processed into animal food, after being salvaged from sea, the seafood is frozen to ensure the freshness, liquid nitrogen freezing equipment is often adopted to quickly freeze the seafood during freezing treatment, but most of the existing liquid nitrogen freezing equipment adopts a transmission belt type transmission mode to transmit the seafood, the liquid nitrogen is sprayed on the seafood during transmission to quickly freeze the seafood, but the seafood is fresh and alive, the seafood jumps when being tiled on the transmission equipment and easily jumps out of the transmission equipment, the seafood jumping out of the transmission equipment also needs manual picking, thereby causing the expense of seafood freezing labor, and the seafood after being frozen needs manual seafood to be boxed, however, liquid nitrogen is sprayed on seafood, people can directly pick the seafood with hands and contact the seafood with the liquid nitrogen, the temperature of the liquid nitrogen is extremely low, and the skin of people can be frostbitten by the liquid nitrogen after being contacted with the liquid nitrogen for a long time, so that the health of people is affected.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses liquid nitrogen refrigeration equipment for seafood production, which adopts the technical scheme that the liquid nitrogen refrigeration equipment comprises a bottom plate, a moving unit and a lifting unit;

a bottom plate: the four corners of the upper surface are respectively fixed with a fixed column, the left side surface of the fixed column at the left front side is provided with a switch group, the middle part of the upper surface of the bottom plate is fixed with a liquid nitrogen box, and the right side of the upper surface of the liquid nitrogen box is rotatably connected with the right side of the lower surface of the sealing cover through a rotating shaft;

a mobile unit: the seafood freezing machine comprises a moving plate, a lead screw, a guide rod and a moving motor, wherein two ends of the lead screw are respectively rotatably connected with opposite side surfaces of the upper ends of two fixed columns on the front side, the right end of the lead screw penetrates through a screw hole on the front side of the left side surface of the moving plate on the front side, two ends of the guide rod are fixedly connected with opposite side surfaces of the upper ends of the two fixed columns on the rear side, the right end of the guide rod penetrates through a slide hole on the rear side of the left side surface of the moving plate, the moving motor is installed on the upper side of the right side surface of a fixed column on the right front side, an output shaft of the moving motor penetrates through a through hole on the right side surface of the fixed column on the right front side and is fixedly connected with the right end of the lead screw, and an arranged moving unit can drive seafood to move transversely so as to freeze the seafood;

a lifting unit: the seafood fresh seafood fresh seafood fresh food and seafood, the labor intensity of workers is reduced, the seafood can be driven to move into the liquid nitrogen box to be frozen, and in the whole seafood freezing process, people cannot touch the liquid nitrogen, and the seafood freezing device is not harmful to people and convenient to use.

As a preferred technical scheme, the guide device further comprises two guide plates, the two guide plates are respectively fixed on the front side and the rear side of the upper surface of the bottom plate, the upper ends of the two guide plates are respectively in sliding connection with grooves in the lower surfaces of the two moving plates, the arranged guide plates can support and guide the two moving plates, and deformation of the screw rod and the guide rod is avoided.

The positioning frame comprises a supporting plate, a plurality of positioning blocks and positioning grooves, wherein the positioning blocks are arranged on the supporting plate, the positioning grooves are arranged on the front side and the rear side of the upper surface of the supporting plate, the positioning grooves are arranged on the front side and the rear side of the lower surface of the placing frame, the positioning grooves correspond to the positioning blocks, the placing frame can be limited through the matching of the positioning grooves of the positioning blocks, and the placing frame is prevented from being deviated during moving.

The utility model further comprises a rotary gear and a tooth block, wherein the front side face of the rotary gear is fixedly connected with the right side of the rear side face of the sealing cover, the middle part of the front side face of the rotary gear is positioned at a rotating shaft between the sealing cover and the liquid nitrogen box, the tooth block is T-shaped and is sleeved on the outer side of the right end of the guide rod, the upper surface of the left end of the tooth block is fixedly connected with the right side of the lower surface of the moving plate on the rear side, the tooth block is meshed with the rotary gear, the arranged tooth block can drive the rotary gear to rotate when the moving plate moves rightwards, the rotary gear drives the sealing cover to rotate, the sealing cover is opened, and the sealing cover can seal the liquid nitrogen box when the moving plate moves leftwards after freezing is finished, so that liquid nitrogen is prevented from being volatilized greatly.

As a preferred technical scheme, the seafood freezing equipment further comprises four fixing holes and four fixing plates, wherein the four fixing plates are respectively fixed on the left side and the right side of the front side surface and the rear side surface of the bottom plate, the fixing holes are formed in the middle of the upper surfaces of the four fixing plates, the bottom plate can be fixed at the using position through the fixing holes in the fixing plates, and the stability of the seafood freezing equipment is improved.

The utility model has the beneficial effects that: the seafood can be placed by the placing frame, the seafood is prevented from jumping to the outside in the freezing process, the moving motor drives the screw rod to rotate, the moving plate moves to the upper part of the liquid nitrogen box, the lifting motor drives the gear to rotate, the gear drives the lifting plate to move downwards, the placing frame on the supporting plate moves into the liquid nitrogen box, the seafood is contacted with the liquid nitrogen to be frozen, the placing frame is directly transported after the freezing is finished, therefore, people cannot touch the liquid nitrogen in the whole seafood freezing process, the seafood freezing machine is not harmful to people and convenient to use, the guide plate can provide support and guide for the two moving plates, the screw rod and the guide rod are prevented from being deformed, the placing frame can be limited by the matching of the positioning blocks and the positioning grooves, the placing frame is prevented from being deviated in the moving process, and the rotating gear can be driven to rotate by the tooth blocks when the moving plate moves rightwards, make the rotary gear drive sealed lid and rotate, make sealed lid open to can make sealed lid seal up the liquid nitrogen case when freezing end movable plate removes to the left side, prevent that the liquid nitrogen from volatilizing in a large number, can fix the bottom plate in the position of using through the fixed orifices on the fixed plate, improve seafood refrigeration plant stability.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the backside structure of the present invention.

In the figure: the device comprises a base plate 1, a switch group 2, a fixed column 3, a moving unit 4, a moving plate 41, a lead screw 42, a guide rod 43, a moving motor 44, a lifting unit 5, a placement frame 51, a lifting motor 52, a gear 53, a supporting block 54, a lifting plate 55, a supporting plate 56, a liquid nitrogen box 6, a sealing cover 7, a guide plate 8, a positioning block 9, a positioning groove 10, a rotating gear 11, a gear block 12, a fixing hole 13 and a fixing plate 14.

Detailed Description

Example 1

As shown in fig. 1 to 3, the utility model discloses a liquid nitrogen freezing device for seafood production, which adopts the technical scheme that the liquid nitrogen freezing device comprises a bottom plate 1, a moving unit 4 and a lifting unit 5;

bottom plate 1: the four corners of the upper surface are all fixed with fixed columns 3, the left side surface of the fixed column 3 at the left front side is provided with a switch group 2, the middle part of the upper surface of the bottom plate 1 is fixed with a liquid nitrogen box 6, and the right side of the upper surface of the liquid nitrogen box 6 is rotationally connected with the right side of the lower surface of the sealing cover 7 through a rotating shaft;

the mobile unit 4: the liquid nitrogen tank liquid nitrogen removing device comprises a moving plate 41, a screw rod 42, a guide rod 43 and a moving motor 44, wherein two ends of the screw rod 42 are respectively connected with opposite side surfaces of the upper ends of two fixing columns 3 on the front side in a rotating mode, the right end of the screw rod 42 penetrates through a screw hole on the front side of the left side surface of the moving plate 41 on the front side, two ends of the guide rod 43 are fixedly connected with opposite side surfaces of the upper ends of the two fixing columns 3 on the rear side, the right end of the guide rod 43 penetrates through a sliding hole on the rear side of the left side surface of the moving plate 41, the moving motor 44 is installed on the upper side of the right side surface of the right front side fixing column 3, an output shaft of the moving motor 44 penetrates through a through hole on the right side surface of the right front side fixing column 3 and is fixedly connected with the right end of the screw rod 42, and the moving motor 44 drives the screw rod 42 to rotate, so that the moving plate 41 moves above the liquid nitrogen tank 6;

the lifting unit 5: comprises a placing frame 51, two lifting motors 52, gears 53, supporting blocks 54, lifting plates 55 and supporting plates 56, wherein the two supporting blocks 54 are respectively fixed on the left sides of the upper surfaces of the two moving plates 41, the lifting motors 52 are respectively installed on the upper surfaces of the two supporting blocks 54, the output shafts of the two lifting motors 52 are respectively fixedly connected with the middle parts of the left side surfaces of the two gears 53, the two lifting plates 55 are arranged, the lower ends of the two lifting plates 55 are respectively fixedly connected with the front side and the rear side of the upper surface of the supporting plate 56, the upper ends of the two lifting plates 55 penetrate through square sliding holes on the inner sides of the lower surfaces of the two moving plates 41, teeth on the upper end side surfaces of the two lifting plates 55 are respectively meshed with the two gears 53, the placing frame 51 is arranged in the middle part of the upper surface of the supporting plate 56, the input ends of the moving motor 44 and the two lifting motors 52 are electrically connected with the output end of the switch group 3, and the seafood can be placed through the placing frame 51, avoid frozen in-process seafood to beat the outside, drive gear 53 through elevator motor 52 and rotate, make gear 53 drive lifter plate 55 move down, make placing frame 51 on the backup pad 56 remove to liquid nitrogen tank 6 in, make seafood and liquid nitrogen contact freeze, will place frame 51 and directly transport after freezing the end, consequently at the frozen in-process of whole seafood, people can not directly touch the liquid nitrogen, can not cause the injury to people, convenient to use.

As a preferred technical scheme of the present invention, the present invention further comprises two guide plates 8, the two guide plates 8 are respectively fixed on the front and rear sides of the upper surface of the bottom plate 1, the upper ends of the two guide plates 8 are respectively connected with the grooves on the lower surfaces of the two moving plates 41 in a sliding manner, the two moving plates 41 can be supported and guided by the guide plates 8, and the deformation of the screw rod 42 and the guide rod 43 is avoided.

As a preferred technical scheme of the present invention, the present invention further includes two positioning blocks 9 and two positioning grooves 10, the two positioning blocks 9 are respectively fixed on the front and rear sides of the upper surface of the supporting plate 56, the two positioning grooves 10 are respectively arranged on the front and rear sides of the lower surface of the placing frame 51, the two positioning grooves 10 respectively correspond to the two positioning blocks 9, the placing frame 51 can be limited by the cooperation of the positioning grooves 10 of the positioning blocks 9, and the placing frame 51 is prevented from shifting during movement.

As a preferable technical scheme of the utility model, the liquid nitrogen freezing device further comprises a rotary gear 11 and a tooth block 12, the front side surface of the rotary gear 11 is fixedly connected with the right side of the rear side surface of the sealing cover 7, the middle part of the front side surface of the rotary gear 11 is positioned at a rotating shaft between the sealing cover 7 and the liquid nitrogen box 6, the tooth block 12 is T-shaped, the tooth block 12 is sleeved on the outer side of the right end of the guide rod 43, the upper surface of the left end of the tooth block 12 is fixedly connected with the right side of the lower surface of the moving plate 41 at the rear side, the tooth block 12 is meshed with the rotary gear 11, the rotary gear 11 can be driven to rotate simultaneously when the moving plate 41 moves rightwards, the rotary gear 11 drives the sealing cover 7 to rotate, the sealing cover 7 is opened, and when the moving plate 41 moves leftwards after freezing, the sealing cover 7 can seal the liquid nitrogen box 6 to prevent a large amount of liquid nitrogen from volatilizing.

As a preferred technical scheme of the utility model, the seafood freezing equipment further comprises four fixing holes 13 and four fixing plates 14, wherein the four fixing plates 14 are respectively fixed at the left side and the right side of the front side and the rear side of the bottom plate 1, the fixing holes 13 are respectively formed in the middle parts of the upper surfaces of the four fixing plates 14, the bottom plate 1 can be fixed at a using position through the fixing holes 13 on the fixing plates 14, and the stability of the seafood freezing equipment is improved.

The working principle of the utility model is as follows: fixing the bottom plate 1 at the seafood freezing position through the fixing hole 13 on the fixing plate 14, switching on an external power supply, placing the seafood in the placing frame 51, placing the placing frame 51 on the supporting plate 56, inserting the positioning block 9 on the supporting plate 56 into the positioning groove 10 at the bottom of the placing frame 51, controlling the operation of the moving motor 44 through the switch group 2, enabling the output shaft of the moving motor 44 to drive the lead screw 42 to rotate, enabling the two moving plates 41 to move rightwards along the directions of the two guide plates 8, enabling the two moving plates 41 to drive the supporting plate 56 and the placing frame 51 to move right above the liquid nitrogen tank 6, driving the tooth block 12 to move rightwards in the process that the two moving blocks 41 move rightwards, driving the rotating gear 11 to rotate clockwise, driving the sealing cover 7 to turn over by the rotating gear 11, opening the sealing cover 7, and controlling the two lifting motors 52 to operate simultaneously through the switch group 2, make two elevator motor 52 drive two gears 53 simultaneously and rotate, make two gears 53 drive two elevator plate 55 downstream, make backup pad 56 and place frame 51 and remove to liquid nitrogen case 6 in, make the seafood and the liquid nitrogen contact in the liquid nitrogen case 6 freeze, after the seafood is frozen, through two elevator motor 52 reversals of switch group 2 control, make backup pad 56 and place frame 51 and remove to the upside, move motor 52 work through switch group 2 control, make backup pad 56 and place frame 51 and remove to the left side, will place frame 51 and inside seafood transport together can, make freezing and place frame 51 and can not all submergence in the liquid nitrogen, therefore, people can not contact with the liquid nitrogen when placing frame 51 in the transportation. The circuit connection related to the utility model is a conventional means adopted by technicians in the field, can obtain technical inspiration through limited tests, belongs to the widely used prior art, and can replace the switch group 2 with an automatic control module such as a single chip microcomputer or a PLC (programmable logic controller) and the like during actual use so that the whole moving process can be automatically carried out.

The moving motor 44 and the lifting motor 52 used herein are preferably servo motors available from Beijing times super group appliances technology Co., Ltd, and the specific model is 80AEA07530-SC3, and the parts not described in detail are prior art.

Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims

1. The liquid nitrogen freezing equipment for seafood production is characterized by comprising a bottom plate (1), a moving unit (4) and a lifting unit (5);

base plate (1): the four corners of the upper surface are respectively fixed with a fixed column (3), the left side surface of the fixed column (3) at the left front side is provided with a switch group (2), the middle part of the upper surface of the bottom plate (1) is fixed with a liquid nitrogen box (6), and the right side of the upper surface of the liquid nitrogen box (6) is rotatably connected with the right side of the lower surface of the sealing cover (7) through a rotating shaft;

mobile unit (4): the movable type automatic feeding device comprises a movable plate (41), a lead screw (42), a guide rod (43) and a movable motor (44), wherein two ends of the lead screw (42) are respectively rotatably connected with opposite side surfaces of the upper ends of two fixing columns (3) on the front side, the right end of the lead screw (42) penetrates through a screw hole on the front side of the left side surface of the movable plate (41) on the front side, two ends of the guide rod (43) are fixedly connected with opposite side surfaces of the upper ends of the two fixing columns (3) on the rear side, the right end of the guide rod (43) penetrates through a sliding hole on the rear side of the left side surface of the movable plate (41), the movable motor (44) is installed on the upper side of the right side surface of the right front side fixing column (3), and an output shaft of the movable motor (44) penetrates through a through hole on the right side surface of the right front side fixing column (3) to be fixedly connected with the right end of the lead screw (42);

lifting unit (5): the device comprises a placing frame (51), two lifting motors (52), gears (53), supporting blocks (54), two lifting plates (55) and supporting plates (56), wherein the two supporting blocks (54) are respectively fixed on the left sides of the upper surfaces of two movable plates (41), the lifting motors (52) are respectively installed on the upper surfaces of the two supporting blocks (54), the output shafts of the two lifting motors (52) are respectively fixedly connected with the middle parts of the left side surfaces of the two gears (53), the two lifting plates (55) are arranged, the lower ends of the two lifting plates (55) are respectively fixedly connected with the front side and the rear side of the upper surface of the supporting plate (56), the upper ends of the two lifting plates (55) penetrate through square sliding holes on the inner sides of the lower surfaces of the two movable plates (41), teeth on the side surfaces of the upper ends of the two lifting plates (55) are respectively meshed with the two gears (53), the placing frame (51) is arranged in the middle part of the upper surface of the supporting plate (56), the input ends of the moving motor (44) and the two lifting motors (52) are electrically connected with the output end of the switch group (2).

2. The liquid nitrogen freezing equipment for seafood production according to claim 1, characterized in that: still include deflector (8), deflector (8) are equipped with two, and both sides around bottom plate (1) upper surface are fixed respectively in two deflector (8), and the upper end of two deflector (8) respectively with the recess sliding connection of two movable plate (41) lower surfaces.

3. The liquid nitrogen freezing equipment for seafood production according to claim 1, characterized in that: still include locating piece (9) and constant head tank (10), locating piece (9) are equipped with two, and both sides around backup pad (56) upper surface are fixed respectively in two locating pieces (9), constant head tank (10) are equipped with two, and both sides around placing frame (51) lower surface are seted up respectively in two constant head tanks (10), and just two constant head tanks (10) correspond with two locating pieces (9) respectively.

4. The liquid nitrogen freezing equipment for seafood production according to claim 1, characterized in that: still include swing pinion (11) and tooth piece (12), swing pinion (11) leading flank and the right side fixed connection who seals lid (7) trailing flank, and the middle part of swing pinion (11) leading flank is located the pivot department between sealed lid (7) and liquid nitrogen box (6), tooth piece (12) are the T type, and tooth piece (12) cup joint in the outside of guide arm (43) right-hand member, the right side fixed connection of the upper surface of tooth piece (12) left end and movable plate (41) lower surface of rear side, tooth piece (12) and swing pinion (11) meshing.

5. The liquid nitrogen freezing equipment for seafood production according to claim 1, characterized in that: still include fixed orifices (13) and fixed plate (14), fixed plate (14) are equipped with four, and four fixed plates (14) are fixed respectively in the left and right sides of side around bottom plate (1), and fixed orifices (13) have all been seted up in the middle part of four fixed plate (14) upper surfaces.