Double-helix instant freezer

Abstract

The utility model provides a double helix instant freezer which comprises an instant freezer box, an air cooler and a conveyor belt, a first rotating shaft and a second rotating shaft are oppositely arranged in the instant freezer box, the first rotating shaft is in driving connection with a first motor, the second rotating shaft is in driving connection with a second motor, the first rotating shaft is provided with a first helix frame, and the second rotating shaft is provided with a second helix frame. A first arc-shaped groove and a second arc-shaped groove are formed in the two sides of the quick-freezing box correspondingly, a feeding support is arranged in the first arc-shaped groove, the side face of the feeding support is connected to the first spiral frame, a discharging support is arranged in the second arc-shaped groove, the side face of the discharging support is connected to the second spiral frame, and driving rollers are arranged on the tops of the feeding support and the discharging support correspondingly. A tensioning mechanism is arranged between the two driving rollers, and the conveying belt is spirally wound on the first spiral frame and the second spiral frame and connected to the driving rollers at the two ends and the tensioning mechanism in a sleeving mode. The direction of the feeding support and the direction of the discharging support can be conveniently adjusted, the requirements of different installation spaces and production processes are met, and the applicability of the instant freezer is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to quick freezer technical field, especially a double helix quick freezer. BACKGROUND

[0002] The quick freezer is an important equipment in the modern food processing industry, which is mainly used for rapidly cooling food and other materials to extremely low temperature in a short time to achieve the purpose of preservation, quality assurance and reduction of nutrient loss. According to the different structures and conveying methods, the quick freezer can be divided into tunnel type, push type, spiral type, lifting type, reciprocating type, flat plate type and fluidized state. Each type has its unique application scene and advantage, and the spiral type quick freezer is popular in food processing plants and large catering enterprises because of its high freezing capacity and compact structure design. The double helix quick freezer has the structural characteristics of adopting a double helix conveying system composed of two parallel spiral frames and conveying belts, which is driven by driving rollers to realize continuous and stable transmission of materials. During the transmission process, the materials are sent into the quick freezing box, and the quick freezing box is provided with a cold air fan. The materials are impacted by high-speed low-temperature airflow to realize rapid cooling and freezing. The double helix quick freezer not only increases the freezing time of materials in the quick freezing box, but also effectively avoids the stacking and blocking of materials through spiral conveying, thereby improving the freezing efficiency and product quality.

[0003] In the prior art, the positions of the feeding port and the discharging port of the double helix quick freezer are fixed. When the relative positions of the feeding port and the discharging port need to be changed due to installation space and production process, it is difficult to change the relative positions of the feeding port and the discharging port, and additional conveying belts and other equipment are required, which not only occupies a large area but also increases the cost. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a double helix quick freezer to solve the above problems.

[0005] The technical scheme of the utility model is implemented as follows:

[0006] A double spiral quick freezer comprises a quick freezing box, a cold air fan and a conveying belt, the cold air fan is arranged in the quick freezing box, a first rotating shaft and a second rotating shaft are oppositely arranged in the quick freezing box, one end of the first rotating shaft is rotatably connected to the quick freezing box, the other end of the first rotating shaft penetrates through the quick freezing box and is driven by a first motor, the first motor is arranged at the bottom of the quick freezing box, one end of the second rotating shaft is rotatably connected to the quick freezing box, the other end of the second rotating shaft penetrates through the quick freezing box and is driven by a second motor, the second motor is arranged at the bottom of the quick freezing box, a first spiral frame is arranged on the first rotating shaft, a second spiral frame is arranged on the second rotating shaft, a first arc-shaped groove and a second arc-shaped groove are respectively arranged at the two sides of the quick freezing box, a feeding support is arranged in the first arc-shaped groove, the feeding support is connected to the first spiral frame at the side, a discharging support is arranged in the second arc-shaped groove, the discharging support is connected to the second spiral frame at the side, a driving roller is arranged at the top of the feeding support and the discharging support, the driving roller drives the conveying belt to move at a predetermined speed, a tensioning mechanism is arranged between the two driving rollers, the conveying belt is spirally arranged on the first spiral frame and the second spiral frame and is sleeved on the two driving rollers and the tensioning mechanism.

[0007] Preferably, the tensioning mechanism comprises guide rollers, the two guide rollers are oppositely arranged at the bottom of the quick freezing box, lifting rollers are respectively arranged above the two guide rollers, lifting frames are connected to the two lifting rollers, the lifting frames are connected to the extension end of a first electric push rod at the top, the first electric push rod is arranged at the top of the quick freezing box and is located at one side of the conveying belt, a movable roller is arranged between the two lifting rollers, the conveying belt is sleeved on the outer wall of the guide rollers, the lifting rollers and the movable roller, the movable roller is connected to a U-shaped frame, a spiral spring is connected to the bottom of the U-shaped frame, the spiral spring is connected to the extension end of a second electric push rod at the bottom, the second electric push rod is arranged at the bottom of the quick freezing box.

[0008] Preferably, the quick freezing box further comprises a sliding cover mechanism, the sliding cover mechanism comprises a sliding cover, sliding rods and sliding blocks, the first arc-shaped groove and the second arc-shaped groove are both provided with sliding grooves at the top, a plurality of sliding rods are arranged on the sliding cover at intervals, the sliding blocks are connected to the top of the sliding rods, the sliding blocks are slidably arranged in the sliding grooves, one end of the sliding cover is connected to the side wall of the first arc-shaped groove and the second arc-shaped groove respectively, and the other end of the sliding cover is connected to the side of the feeding support and the discharging support respectively.

[0009] Preferably, the sliding cover comprises a cloth layer and an aluminum foil layer, the cloth layer is located outside the quick freezing box, and the aluminum foil layer is located inside the quick freezing box.

[0010] Preferably, the sliding groove is in a T-shaped structure, the sliding block is in a T-shaped structure, and the sliding block and the sliding groove are matched with each other.

[0011] Preferably, the quick freezing box further comprises support columns, and the plurality of support columns are arranged at the bottom of the quick freezing box.

[0012] Compared with the prior art, the utility model has the advantages of

[0013] 1、 adopt first motor drive first rotating shaft, first rotating shaft drive first spiral frame rotation, feed support is located at first spiral frame side surface, thereby realize the rotation of feed support, thereby conveniently adjust the position and direction of feed, second motor drive second rotating shaft, second rotating shaft drive second spiral frame rotation, discharge support is located at second spiral frame side surface, thereby realize the rotation of discharge support, conveniently adjust the position and direction of discharge, satisfy different installation space and production process requirement, improve the applicability of quick freezer,

[0014] 2、 be provided with first sliding cover and second sliding cover, first sliding cover and second sliding cover can isolate quick freezing box, prevent heat radiation, avoid the cold air loss in quick freezing box, thereby improve quick freezing box refrigeration efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in embodiment description, obviously, the drawing in the following description only is the preferred embodiment of the utility model, for the ordinary skilled person in the art, under the premise of not paying the creativity labor intensity, still can obtain other drawings according to these drawings.

[0016] Figure 1 It is a three-dimensional structure schematic diagram of a double-spiral quick freezer of the utility model;

[0017] Figure 2 It is a sectional structure schematic diagram of a double-spiral quick freezer of the utility model;

[0018] Figure 3 It is Figure 2 Sectional view at A in Fig. 1;

[0019] Figure 4 It is a sliding cover structure schematic diagram of the utility model;

[0020] Reference signs: 1, quick freezing box;2, support column;3, first spiral frame;4, second spiral frame;5, conveying belt;6, guide roller;7, lifting roller;8, lifting frame;9, first electric push rod;10, first motor;11, second motor;12, feed support;13, discharge support;14, first arc-shaped groove;15, second arc-shaped groove;16, first rotating shaft;17, second rotating shaft;18, drive roller;19, cloth layer;20, aluminum foil layer;21, sliding rod;22, second electric push rod;23, sliding block;24, spiral spring;25, sliding groove;26, U-shaped frame;27, air cooler;28, movable roller. DETAILED DESCRIPTION

[0021] In order to better understand the technical content of the utility model, a specific embodiment is provided below, and the utility model is further explained in combination with the drawings.

[0022] Referring to Figures 1 to 4 The utility model provides a kind of double spiral quick freezer, including quick freezer 1, air cooler 27 and conveying belt 5, the air cooler 27 is located in quick freezer 1, air cooler 27 generates high-speed low-temperature airflow, material can be rapidly cooled, first shaft 16 and second shaft 17 are relatively provided in quick freezer 1, first shaft 16 one end is rotatably connected in quick freezer 1, the other end passes through quick freezer 1 and is driven and is connected with first motor 10, first motor 10 adopts the stepping motor that can accurately control rotation angle, first motor 10 is located at the bottom of quick freezer 1, second shaft 17 one end is rotatably connected in quick freezer 1, the other end passes through quick freezer 1 and is driven and is connected with second motor 11, second motor 11 is located at the bottom of quick freezer 1, second motor 11 adopts the stepping motor that can accurately control rotation angle, first shaft 16 is equipped with first spiral frame 3, second shaft 17 is equipped with second spiral frame 4, first arc slot 14 and second arc slot 15 are respectively equipped with in the both sides of quick freezer 1, feeding support 12 is equipped in first arc slot 14, feeding support 12 side is connected to first spiral frame 3, discharging support 13 is equipped in second arc slot 15, discharging support 13 side is connected to second spiral frame 4, feeding support 12 and discharging support 13 top are equipped with driving roller 18, two driving roller 18 are equipped with tensioning mechanism in the middle, conveying belt 5 is spirally arranged on first spiral frame 3 and second spiral frame 4, and is sleeved in both ends driving roller 18 and tensioning mechanism.

[0023] When quick freezer 1 works, first, simultaneously start both ends driving roller 18, driving roller 18 rotation drives conveying belt 5 transmission, conveying belt 5 is driven along feeding support 12 one end to the side of discharging support 13, material is continuously moved from conveying belt 5 above feeding support 12 to quick freezer, then from bottom spirally upwards transmission around first spiral frame 3, then from the top of first spiral frame 3 transmission to the top of second spiral frame 4, then from the top of second spiral frame 4 spirally downwards transmission around second spiral frame 4, material is rapidly frozen in the transmission process by high-speed low-temperature gas generated by air cooler 27, and finally from conveying belt 5 top above discharging support 13, that is, the rapid freezing operation of material can be completed.

[0024] When the installation space and production process requirements are different, and the feeding direction of the feeding port needs to be changed, the first motor 10 is started, the first motor 10 rotates to drive the first rotating shaft 16 to rotate, the first rotating shaft 16 rotates to drive the first spiral frame 3 to rotate, the first spiral frame 3 rotates to drive the feeding support 12 to rotate, thereby realizing the change of the feeding direction, and adapting to different use requirements; when the discharging direction of the discharging port needs to be changed, the second motor 11 is started, the second motor 11 rotates to drive the second rotating shaft 17 to rotate, the second rotating shaft 17 rotates to drive the second spiral frame 4 to rotate, the second spiral frame 4 rotates to drive the discharging support 13 to rotate, thereby realizing the change of the discharging direction; in addition, the adjustable rotation angle of the discharging support 13 and the feeding support 12 is 90 degrees, that is, the feeding support 12 and the discharging support 13 can be located on the same side of the quick freezer 1 at the same time, or can be located on opposite sides of the quick freezer 1 respectively, so as to meet different installation space and production process requirements, and improve the applicability of the quick freezer.

[0025] Preferably, the tensioning mechanism includes guide rollers 6 for guiding the conveying belt 5 to change the movement direction, the conveying belt 5 changes from horizontal direction transmission to vertical direction transmission around the outer wall of the guide rollers 6, the two guide rollers 6 are oppositely arranged at the bottom of the quick freezer 1, and lifting rollers 7 are respectively arranged above the two guide rollers 6, the two lifting rollers 7 are connected with lifting frames 8, the top of the lifting frame 8 is connected with the extension end of a first electric push rod 9, the first electric push rod 9 is arranged at the top of the quick freezer 1 and located on one side of the conveying belt 5, a movable roller 28 is arranged in the middle of the two lifting rollers 7, the conveying belt 5 is sleeved on the outer wall of the guide rollers 6, the lifting rollers 7 and the movable roller 28, the movable roller 28 is connected with a U-shaped frame 26, the bottom of the U-shaped frame 26 is connected with a spiral spring 24, the bottom of the spiral spring 24 is connected with the extension end of a second electric push rod 22, and the second electric push rod 22 is arranged at the bottom of the quick freezer 1.

[0026] When the quick freezer works, first, the drive roller 18 is started to drive the conveying belt 5 to transmit, and the second electric push rod 22 is started, the extension end of the second electric push rod 22 shortens to drive the spiral spring 24 to descend, the spiral spring 24 descends to drive the U-shaped frame 26 to descend, the U-shaped frame 26 descends to drive the movable roller 28 to descend, the movable roller 28 descends to pull the conveying belt 5 downward, so that the conveying belt 5, the drive roller 18, the first spiral frame 3 and the second spiral frame 4 are closely attached, the transmission is stable, and at the same time, the spiral spring 24 generates a pre-tightening force, which can reduce the vibration caused by the sudden acceleration or deceleration of the conveying belt 5. When the positions of the feeding support 12 and the discharging support 13 are changed, the conveying belt 5 is pulled to both ends, at this time, the first electric push rod 9 is started, the extension end of the first electric push rod 9 is lengthened to drive the lifting frame 8 to descend, the lifting frame 8 descends to drive the lifting roller 7 to descend, thereby releasing a sufficient length of the conveying belt 5, while maintaining the pre-tightening force of the conveying belt 5.

[0027] Preferably, the sliding cover mechanism comprises a sliding cover, sliding rods 21 and sliding blocks 23, the first arc-shaped groove 14 and the second arc-shaped groove 15 are each provided with a sliding groove 25, the sliding cover is provided with a plurality of sliding rods 21 at intervals, the sliding rods 21 are used for supporting and fixing the sliding cover, the top of each sliding rod 21 is connected with a sliding block 23, the sliding block 23 is slidably arranged in the sliding groove 25, one end of the sliding cover is connected to the side wall of the first arc-shaped groove 14 and the second arc-shaped groove 15 respectively, and the other end is connected to the side of the feeding support 12 and the discharging support 13 respectively.

[0028] When it is necessary to adjust the direction of the feeding support 12, the first motor 10 is started to rotate the first spiral frame 3, the first spiral frame 3 rotates to drive the feeding support 12 to rotate, the feeding support 12 drives the sliding cover to slide, the sliding cover drives the sliding rods 21 and the sliding blocks 23 to slide in the sliding groove 25, and the sliding cover is folded after being extruded to keep isolation of cold air in the quick freezer 1. When it is necessary to adjust the direction of the discharging support 13, the second motor 11 is started to rotate the second spiral frame 4, the second spiral frame 4 rotates to drive the discharging support 13 to rotate, the discharging support 13 drives the sliding cover to slide, the sliding cover drives the sliding rods 21 and the sliding blocks 23 to slide in the sliding groove 25, and the sliding cover is folded after being extruded to keep isolation of cold air in the quick freezer 1.

[0029] Preferably, the sliding cover comprises a cloth layer 19 and an aluminum foil layer 20, the cloth layer 19 is located outside the quick freezer 1, and the aluminum foil layer 20 is located inside the quick freezer 1.

[0030] When the feeding support 12 or the discharging support 13 rotates to drive the sliding cover to slide, the cloth layer 19 which is made of flexible material can be folded and contracted to keep isolation of cold air in the quick freezer 1, and the aluminum foil layer 20 which is located inside the quick freezer 1 can reflect heat radiation to avoid heat transfer and prevent loss of cold air.

[0031] Preferably, the sliding groove 25 is in a T-shaped structure, and the sliding block 23 is in a T-shaped structure, and the sliding block 23 and the sliding groove 25 are matched with each other.

[0032] The sliding groove 25 and the sliding block 23 are both in a T-shaped structure, so that the sliding block 23 slides in the sliding groove 25 and is supported by the sliding groove 25, and the sliding block 23 is clamped in the sliding groove 25 to avoid the sliding block 23 from coming out of the sliding groove 25.

[0033] Preferably, the support columns 2 are arranged at the bottom of the quick freezer 1.

[0034] The support columns 2 are arranged at the bottom of the quick freezer 1 to stably support the quick freezer 1 and goods loaded in the quick freezer 1, and can be conveniently installed on the bottom surface to keep the quick freezer 1 in a horizontal state, which is beneficial to stable transmission of the goods on the conveying belt 5.

[0035] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A double-screw continuous freezer characterized in that, Including quick freezing box, air cooler and conveying belt, the air cooler is arranged in the quick freezing box, the first rotating shaft and the second rotating shaft are oppositely arranged in the quick freezing box, one end of the first rotating shaft is rotatably connected to the quick freezing box, the other end penetrates through the quick freezing box and is driven by the first motor, the first motor is arranged at the bottom of the quick freezing box, one end of the second rotating shaft is rotatably connected to the quick freezing box, the other end penetrates through the quick freezing box and is driven by the second motor, the second motor is arranged at the bottom of the quick freezing box, the first spiral frame is arranged on the first rotating shaft, the second spiral frame is arranged on the second rotating shaft, the first arc-shaped groove and the second arc-shaped groove are arranged on the two sides of the quick freezing box respectively, the feeding support is arranged in the first arc-shaped groove, the feeding support is connected to the first spiral frame, the discharging support is arranged in the second arc-shaped groove, the discharging support is connected to the second spiral frame, the driving rollers are arranged on the top of the feeding support and the discharging support, the tensioning mechanism is arranged between the two driving rollers, the conveying belt is spirally arranged on the first spiral frame and the second spiral frame, and is sleeved on the two end driving rollers and the tensioning mechanism.

2. A double spiral freezer as claimed in claim 1, wherein The tensioning mechanism comprises guide rollers, the two guide rollers are oppositely arranged at the bottom of the quick freezing box, lifting rollers are arranged above the two guide rollers respectively, lifting frames are connected to the two lifting rollers, the lifting frames are connected to the telescopic ends of the first electric push rods arranged at the top of the quick freezing box and located on one side of the conveying belt, the movable rollers are arranged between the two lifting rollers, the conveying belt is sleeved on the outer walls of the guide rollers, the lifting rollers and the movable rollers, the movable rollers are connected to U-shaped frames, the U-shaped frames are connected to the bottom of the spiral springs, the bottom of the spiral springs is connected to the telescopic ends of the second electric push rods arranged at the bottom of the quick freezing box.

3. A double spiral freezer as claimed in claim 1, wherein, It also comprises a sliding cover mechanism, the sliding cover mechanism comprises a sliding cover, a sliding rod and a sliding block, the first arc-shaped groove and the second arc-shaped groove are provided with sliding grooves on the top, a plurality of sliding rods are arranged on the sliding cover at intervals, the sliding rods are connected to the sliding blocks on the top, the sliding blocks are slidably arranged in the sliding grooves, one end of the sliding cover is connected to the side walls of the first arc-shaped groove and the second arc-shaped groove respectively, and the other end is connected to the side surfaces of the feeding support and the discharging support respectively.

4. A double spiral freezer as claimed in claim 3, wherein The sliding cover comprises a cloth layer and an aluminum foil layer, the cloth layer is located outside the quick freezing box, and the aluminum foil layer is located inside the quick freezing box.

5. A double spiral freezer as claimed in claim 3, wherein, The sliding groove is in T-shaped structure, the sliding block is in T-shaped mechanism, and the sliding block and the sliding groove are matched with each other.

6. A double spiral freezer as claimed in claim 1, wherein, It also comprises support columns, and the plurality of support columns are arranged at the bottom of the quick freezing box.

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