Adjustable instant freezer and use method thereof

Abstract

The invention discloses an adjustable instant freezer and a using method thereof.The adjustable instant freezer comprises an instant freezer body, a closing door is hinged to the front face of the instant freezer body, the adjustable instant freezer further comprises a locking mechanism, an air blowing mechanism and a containing frame, and the locking mechanism is arranged between the closing position of the instant freezer body and the closing position of the closing door; the air blowing mechanism is arranged in the instant freezer body and is positioned at one end close to the back surface; the containing frame is arranged in the instant freezer body, a plurality of containing pieces are arranged in the middle of the containing frame and arranged in the vertical direction, and a rotating mechanism is arranged between the containing pieces and the containing frame. Through the arrangement of the rotating mechanism, the angle of the containing piece carried on the containing frame can be changed, through the change of the form, objects to be frozen placed in the containing piece can face the air blowing mechanism in an inclined posture after the angle is adjusted, and then food in the containing piece cannot be blocked by blowing; and the food can be frozen more uniformly.

Description

Technical Field

[0001] The invention relates to the field of quick freezers, and in particular to an adjustable quick freezer and a use method thereof. Background Art

[0002] Liquid nitrogen quick freezer is a device that uses the ultra-low temperature characteristics of liquid nitrogen to quickly freeze food, medicine or other items. Its working principle is to spray liquid nitrogen onto the object to be frozen, instantly lowering its temperature and causing the moisture on its surface and inside to freeze quickly, thereby effectively locking in the object's nutrients, color and taste.

[0003] The existing liquid nitrogen quick-freezing machine comprises a machine body and a placing rack, wherein the placing rack is in a vehicle body state and is loaded in the quick-freezing machine body. When quick-freezing food, the food to be frozen is placed on the placing rack, and then the placing rack is pushed into the quick-freezing machine body, and finally the quick-freezing machine is started after the closed door is closed to start the quick-freezing operation. In order to increase the quick-freezing rate, the liquid nitrogen quick-freezing machine is provided with a blower mechanism in the machine body, and in order to provide a placing space for the placing rack, the blower mechanism is mostly provided on the back and both sides of the inner wall of the machine body, and the articles to be quick-frozen laid flat in the placing rack are blown with liquid nitrogen by the blower mechanism, so that the upper surface of the food is mostly covered and quick-frozen, and the thickness of the placed food is mostly inconsistent, and the thicker food will form an obstruction to the blowing of liquid nitrogen, thereby reducing the freezing effect of the blocked food, thereby affecting the overall freezing effect. Therefore, an adjustable quick-freezing machine and a method for using the same are proposed. Summary of the invention

[0004] The object of the present invention is to provide an adjustable quick-freezing machine and a method of using the same to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: an adjustable quick freezer, comprising a quick freezer body, a closed door hinged on the front of the quick freezer body, and further comprising:

[0006] A locking mechanism, which is arranged between the quick-freezing machine body and the closed part of the closed door, and is used to fasten the quick-freezing machine body and the closed part of the closed door;

[0007] A blower mechanism, which is arranged inside the quick-freezing machine body and is located at one end close to the back, and is used for accelerating the circulation of cold air in the quick-freezing machine body;

[0008] A placing rack is arranged in the quick-freezing machine body, a plurality of containing parts are arranged in the middle of the placing rack, and the plurality of containing parts are arranged in a vertical direction, a rotating mechanism is arranged between the plurality of containing parts and the placing rack, and the rotating mechanism is used to rotate and adjust the placing angle of the containing parts.

[0009] Preferably, a controller is provided on one side of the top of the quick-freezing machine body, and the controller is used for starting and stopping control of the quick-freezing machine body and the blower mechanism, and a blocking block is provided on the back of the closed door.

[0010] Preferably, the blowing mechanism comprises a supporting bracket, a plurality of blowing fans are arranged in the middle of the supporting bracket, and control ends of the plurality of blowing fans are electrically connected to the output end of the controller.

[0011] Preferably, the locking mechanism comprises:

[0012] A locking plate, the locking plate being arranged on one side of the quick-freezing machine body, and a bayonet is provided on a side of the locking plate away from the quick-freezing machine body;

[0013] A hinge seat is arranged on one side of the closed door, a stud locking rod is hinged in the middle of the hinge seat, and one end of the stud locking rod away from the hinge seat is inserted and connected in the bayonet.

[0014] Preferably, the inner wall at the bottom end of the quick-freezing machine body is provided with a plurality of guide rail frames, and the plurality of guide rail frames are used for the sliding support of the placement rack.

[0015] Preferably, the placement rack comprises:

[0016] A rectangular frame, wherein a plurality of groups of the rectangular frames are symmetrically arranged along the center of the vertical direction, wherein a plurality of groups of movable pulleys are arranged at the bottom end of one of the rectangular frames, and the plurality of groups of movable pulleys are respectively and rollingly interlaced and connected to the tops of the plurality of groups of guide rail frames;

[0017] Supporting vertical rods, wherein a plurality of the supporting vertical rods are arranged on one side of the rectangular frame that is vertically opposite and close to one end of the front side, and a plurality of clamping frames are arranged on one side of the plurality of supporting vertical rods that is horizontally opposite, wherein an inner cavity is opened in the middle of one of the supporting vertical rods, and the rotating mechanism is arranged in the inner cavity, and the rotating mechanism is used to synchronously adjust the rotation angles of the plurality of clamping frames;

[0018] Guide vertical rods, multiple guide vertical rods are arranged on the vertically opposite side of the rectangular frame and close to one end of the back side, and multiple support frames are arranged on the horizontally opposite side of the multiple guide vertical rods. The multiple support frames are respectively matched with multiple clamping frames for supporting and placing the contents.

[0019] Preferably, the containing member includes a containing plate, support bars are provided on both sides of the containing plate, the support bars are inserted and connected to the middle of the clamping frame and the support frame, the inner walls of the support frame and the clamping frame are provided with clamping blocks for clamping the support bars, and arc guide grooves are provided on the horizontally opposite sides of the plurality of guide vertical rods, and the arc guide grooves are used to guide the support frame to slide in an arc direction.

[0020] Preferably, the rotating mechanism comprises:

[0021] Rotating rods, wherein the plurality of rotating rods are respectively connected to the middle of the plurality of clamping frames through insertion, and a limit plate is provided at the insertion point of the rotating rods and the clamping frames, one end of one of the rotating rods away from the clamping frame penetrates the supporting vertical rod, and a control member is provided at the through end of the rotating rod;

[0022] A driving sprocket, wherein the driving sprocket is sleeved on an outer wall of a rotating rod connected to the control member;

[0023] The driven sprockets are respectively sleeved on the outer walls of the other multiple rotating rods, and the outer walls of the driven sprockets and the driving sprocket are meshed and sleeved with driving chains.

[0024] Preferably, the control element comprises:

[0025] A limit block, the limit block is fixedly connected in the cavity and is located at a side away from the clamping frame, and the limit block is rotatably sleeved on the outer wall of the rotating rod, and a first tooth groove is formed on the side of the limit block away from the clamping frame;

[0026] A positioning block, wherein the positioning block is slidably sleeved on the outer wall of the rotating rod, a second tooth groove is provided on a side of the positioning block close to the clamping frame, the second tooth groove and the first tooth groove are meshed with each other, a plurality of placement blocks are fixedly connected to the outer wall of the rotating rod, a through-slot is provided on a side of the positioning block close to the clamping frame, and a supporting spring is provided between the plurality of through-slots and the opposite side of the plurality of placement blocks;

[0027] An N-shaped frame, wherein two arms of the N-shaped frame are rotatably sleeved on the through end of the rotating rod, and extrusion blocks are arranged at both ends of the N-shaped frame, and the extrusion blocks are used to extrude the positioning block to approach the limit block.

[0028] A method for using an adjustable quick freezer, using the quick freezer, the method comprising the following steps:

[0029] S1, first take out the placement rack and the containing parts from the quick-freezing machine body, then take out the containing trays in turn, then place the products to be quick-frozen in the containing trays, and insert the containing trays in the placement rack in turn, and support and place them by multiple clamping frames and support frames at the same horizontal height;

[0030] S2, first align the moving pulley with the guide rail frame, and then push the placement rack containing the items to be quick-frozen into the quick-freezing machine body;

[0031] S3, pull the N-shaped frame and rotate it ninety degrees. At this time, the extrusion block cannot resist the positioning block. Under the push of the top support spring, the positioning block moves away from the limit block and the engagement of the two is released. At this time, hold the N-shaped frame to rotate, and the rotating rod is driven to rotate, and drives the clamping frame and the driving sprocket to rotate. Under the meshing transmission of the driving chain, multiple driven sprockets rotate synchronously, so that the clamping frame connected to the rotating rod rotates, so that the clamping frame drives the containing plate to rotate around the clamping frame, and at the same time, the containing plate drives the connected support frame to slide under the guidance of the arc guide groove. After the containing plate rotates to the required tilting angle, rotate the N-shaped frame to keep it in the horizontal direction. At this time, the extrusion block squeezes the positioning block, so that the positioning block engages with the limit block, so as to perform rotation positioning;

[0032] S4, close the closed door on the front of the quick-freezing machine body, then turn the stud lock rod to lock it in the bayonet of the locking plate, and finally connect the liquid nitrogen supply to the quick-freezing machine body, and start the quick-freezing machine body and the blower mechanism through the controller to start the quick-freezing operation.

[0033] Technical effects and advantages of the present invention:

[0034] (1) The present invention improves the placement rack. By setting a rotating mechanism, the angle of the container mounted on the placement rack can be changed. Through this change, the frozen items placed in the container can face the blower mechanism in an inclined posture after adjusting the angle during quick freezing, so that the food in the container will not be blocked by the blowing, so that the food is frozen more evenly, thereby ensuring the quality of quick freezing of the food.

[0035] (2) The present invention sets a rotating mechanism so that it only needs to drive the containing parts at one height position to rotate. Under the linked operation, the containing parts at different positions can be rotated and adjusted synchronously. Under such synchronous operation and adjustment, multiple containing parts will not interfere with each other, thereby ensuring the stability of the gaps between the multiple containing parts, and further ensuring that the hair dryer mechanism can complete the blowing action. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0037] Figure 2 It is a structural front view of the whole of the present invention.

[0038] Figure 3 It is a schematic diagram of the structural connection between the quick-freezing machine body and the blower mechanism of the present invention.

[0039] Figure 4 It is a schematic diagram of the structural connection of the placement rack, the containing member and the rotating mechanism of the present invention.

[0040] Figure 5For the present invention Figure 4 A schematic diagram of the enlarged structure at point A in the middle.

[0041] Figure 6 This is a front view of the structural connection of the placement rack, the containing member and the rotating mechanism of the present invention.

[0042] Figure 7 It is a schematic diagram of the structural connection between the placement rack and the rotating mechanism of the present invention.

[0043] Figure 8 It is a schematic diagram of the structural connection of the control member, the rotating rod and the clamping frame of the present invention.

[0044] Fig. 9 It is a front view of the structural connection of the control member, the rotating rod and the clamping frame of the present invention.

[0045] Fig.10 It is a top view of the structural connection of the control member, the rotating rod and the clamping frame of the present invention.

[0046] Fig.11 It is a structural side sectional view of the supporting vertical rod of the present invention.

[0047] In the figure: 1. quick-freezing machine body; 101. locking plate; 102. guide rail frame; 2. closed door; 201. blocking block; 202. hinge seat; 203. stud locking rod; 3. controller; 4. supporting bracket; 401. blowing fan; 5. rectangular frame; 501. moving pulley; 6. supporting vertical rod; 7. guiding vertical rod; 701. arc guide groove; 8. holding plate; 801. supporting bar; 9. clamping frame; 901. clamping block; 10. supporting frame; 11. N-shaped frame; 1101. extrusion block; 12. rotating rod; 1201. limiting plate; 1202. placing block; 1203. supporting spring; 13. positioning block; 14. limiting block; 15. driving sprocket; 16. driven sprocket; 17. driving chain. DETAILED DESCRIPTION

[0048] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0049] Embodiment 1, the present invention provides as follows Figure 1-11An adjustable quick freezer shown includes a quick freezer body 1, and a closed door 2 is hinged on the front of the quick freezer body 1. The quick freezer body 1 designed in this scheme is a cabinet-type liquid nitrogen quick freezing equipment. A blower mechanism is arranged in the quick freezer body 1 to realize air cooling circulation, and the inside and outside of the cavity of the entire quick freezer body 1 are made of 2mmSUS304 stainless steel, which is durable and rust-proof.

[0050] Also includes:

[0051] A locking mechanism, which is disposed between the quick-freezing machine body 1 and the closed portion of the closed door 2, and is used to fasten the quick-freezing machine body 1 and the closed portion of the closed door 2;

[0052] Specifically, the locking mechanism includes:

[0053] A locking plate 101, which is disposed on one side of the quick-freezing machine body 1, and a bayonet is provided on the side of the locking plate 101 away from the quick-freezing machine body 1;

[0054] The hinge seat 202 is arranged on one side of the closed door 2. A stud lock rod 203 is hinged in the middle of the hinge seat 202. One end of the stud lock rod 203 away from the hinge seat 202 is inserted and connected in the bayonet.

[0055] It should be noted that a bayonet is provided on the side of the locking plate 101 away from the quick-freezing machine body 1, and an external thread is provided on the end of the stud locking rod 203 away from the hinge seat 202. When the closed door 2 is closed and connected, the stud locking rod 203 is rotated to make it stuck in the bayonet, and then a nut is threadedly sleeved on the external threaded end of the stud locking rod 203, and the nut is tightened to make it close to the locking plate 101 for extrusion restriction.

[0056] A blower mechanism, which is arranged inside the quick-freezing machine body 1 and is located at one end close to the back, and is used to accelerate the circulation of cold air in the quick-freezing machine body 1;

[0057] A controller 3 is provided on one side of the top of the quick-freezing machine body 1 , and the controller 3 is used for starting and stopping the quick-freezing machine body 1 and the blower mechanism. A blocking block 201 is provided on the back of the closed door 2 .

[0058] It should be noted that the electrical control of the entire device is achieved through the controller 3, which is composed of a human-machine interface, a PLC and a programmable control module. In this way, the electrical control of the entire device can be achieved quickly and conveniently through the controller 3.

[0059] Specifically, the blower mechanism includes a support bracket 4 , a plurality of blower fans 401 are arranged in the middle of the support bracket 4 , and control ends of the plurality of blower fans 401 are electrically connected to output ends of the controller 3 .

[0060] It should be noted that the blowing fan 401 is designed to accelerate the flow of gas inside the quick-freezing machine body 1, so that after the liquid nitrogen is introduced, the blowing fan 401 can accelerate the blowing of liquid nitrogen to the food for quick freezing. This solution uses a high-power fan with a reinforced axial flow fan, and the wind speed can reach 10m / s, which is fast and uniform.

[0061] A placing rack is arranged in the quick-freezing machine body 1, a plurality of holding components are arranged in the middle of the placing rack, and the plurality of holding components are arranged in a vertical direction, a rotating mechanism is arranged between the plurality of holding components and the placing rack, and the rotating mechanism is used to rotate and adjust the placing angle of the holding components, and a plurality of groups of guide rail frames 102 are arranged on the inner wall of the bottom end of the quick-freezing machine body 1, and the plurality of groups of guide rail frames 102 are used for sliding support of the placing rack.

[0062] Specifically, the placement rack includes:

[0063] Rectangular frame 5, multiple groups of rectangular frames 5 are symmetrically arranged along the vertical direction, and multiple groups of moving pulleys 501 are arranged at the bottom end of one of the rectangular frames 5, and the multiple groups of moving pulleys 501 are respectively rolled and interlaced and connected to the top of the multiple groups of guide rail frames 102;

[0064] It should be noted that a cross groove is provided at the top of the guide rail frame 102, and the side of the movable pulley 501 also has a supporting pulley branch, so that the movable pulley 501 is also a cross structure, so that after the cross groove of the guide rail frame 102 is aligned, it can move smoothly and steadily.

[0065] Supporting vertical rods 6, multiple supporting vertical rods 6 are arranged on one side of the rectangular frame 5 vertically opposite and close to one end of the front side, multiple supporting vertical rods 6 are arranged on one side of the rectangular frame 5 horizontally opposite, and multiple clamping frames 9 are arranged, and an inner cavity is opened in the middle of one of the supporting vertical rods 6, and a rotating mechanism is arranged at the inner cavity, and the rotating mechanism is used to synchronously adjust the rotation angles of the multiple clamping frames 9;

[0066] The guide vertical rods 7, multiple guide vertical rods 7 are arranged on the side vertically opposite to the rectangular frame 5 and close to the end of the back, and multiple support frames 10 are arranged on the side horizontally opposite to the multiple guide vertical rods 7. The multiple support frames 10 are respectively matched with the multiple clamping frames 9 for supporting and placing the items.

[0067] It should be noted that the main bodies of the clamping frame 9 and the supporting frame 10 adopt the same structural form, and the back of the supporting frame 10 is a closed structure, so that when the contained items are supported, they can be blocked to prevent the contained items from falling off.

[0068] Specifically, the containing member includes a containing plate 8, support bars 801 are provided on both sides of the containing plate 8, the support bars 801 are inserted and connected to the middle of the clamping frame 9 and the support frame 10, the inner walls of the support frame 10 and the clamping frame 9 are provided with clamping blocks 901 for clamping the support bars 801, and arc-shaped guide grooves 701 are provided on the horizontally opposite sides of the multiple guide vertical rods 7, and the arc-shaped guide grooves 701 are used to guide the support frame 10 to slide in an arc direction.

[0069] It should be noted that the clamping block 901 is a hemispherical convex block structure made of rubber material. When the support bar 801 is inserted into the middle of the clamping frame 9 and the support frame 10, the clamping block 901 is deformed after being squeezed and is squeezed at the support bar 801 through the restoring force to clamp the support bar 801.

[0070] Specifically, the rotating mechanism includes:

[0071] Rotating rods 12, multiple rotating rods 12 are respectively connected with the middle parts of multiple clamping frames 9, and a limit plate 1201 is provided at the intersection of the rotating rods 12 and the clamping frames 9, one end of one rotating rod 12 away from the clamping frame 9 penetrates the supporting vertical rod 6, and a control member is provided at the through end of the rotating rod 12;

[0072] A driving sprocket 15, wherein the driving sprocket 15 is sleeved on the outer wall of the rotating rod 12 connected to the control member;

[0073] The driven sprockets 16 are respectively sleeved on the outer walls of the remaining plurality of rotating rods 12 , and the outer walls of the driven sprockets 16 and the driving sprocket 15 are meshed with a driving chain 17 .

[0074] It should be noted that all the clamping frames 9 designed in this scheme are rotatably connected through the rotating rod 12. After being connected to the clamping frame 9, the rotating rod 12 maintains the insertion with the supporting vertical rod 6, so that the rotating rod 12 can rotate, but it must be ensured that it cannot move during setting, so as to ensure that the driven sprocket 16, the driving sprocket 15 and the driving chain 17 form a stable engagement, and at the same time make the meshing transmission more stable and effective.

[0075] Furthermore, the control element includes:

[0076] The limit block 14 is fixedly connected in the cavity and is located at a side away from the clamping frame 9, and the limit block 14 is rotatably sleeved on the outer wall of the rotating rod 12, and a first tooth groove is formed on the side of the limit block 14 away from the clamping frame 9;

[0077] It should be noted that the limit block 14 is fixed to the inner wall of the cavity away from the clamping frame 9, so that it serves as a supporting part of the locking structure. Through the opening of the first tooth groove, it is unable to rotate after being meshed with another tooth groove.

[0078] The positioning block 13 is slidably sleeved on the outer wall of the rotating rod 12. A second tooth groove is provided on the side of the positioning block 13 close to the clamping frame 9. The second tooth groove and the first tooth groove are meshed with each other. A plurality of placement blocks 1202 are fixedly connected to the outer wall of the rotating rod 12. A through-slot is provided on the side of the positioning block 13 close to the clamping frame 9. A supporting spring 1203 is provided between the plurality of through-slots and the opposite side of the plurality of placement blocks 1202.

[0079] It should be noted that, by setting the supporting spring 1203, the positioning block 13 can always remain away from the limit block 14 in the initial state, so that the first tooth groove and the second tooth groove will not engage, so that the positioning block 13 can rotate with the rotating rod 12 and keep it sliding. When the first tooth groove and the second tooth groove are engaged, the limit block 14 cannot rotate, and the rotating rod 12 cannot rotate, so that the positioning can be achieved after the rotation adjustment.

[0080] The N-shaped frame 11 has two arms that are rotatably sleeved on the through end of the rotating rod 12 . Extrusion blocks 1101 are provided at both ends of the N-shaped frame 11 . The extrusion blocks 1101 are used to squeeze the positioning block 13 close to the limiting block 14 .

[0081] It should be noted that, through the setting of the extrusion block 1101, after the N-shaped frame 11 is rotated in the vertical direction, the extrusion block 1101 can move close to and away from the limit block 14, thereby completing the operation of the limit block 14 and further realizing the positioning control of the rotation adjustment.

[0082] In the second embodiment, the present invention provides a method for using an adjustable quick-freezing machine, using the quick-freezing machine of the first embodiment, the method for using the quick-freezing machine comprises the following steps:

[0083] S1, first take out the placement rack and the containing parts from the quick-freezing machine body 1, then take out the containing tray 8 in sequence, then place the product to be quick-frozen in the containing tray 8, and insert the containing tray 8 in sequence in the placement rack, and support and place it by multiple clamping frames 9 and support frames 10 at the same horizontal height;

[0084] S2, first align the movable pulley 501 with the guide rail frame 102, and then push the placement rack containing the items to be quick-frozen into the quick-freezing machine body 1;

[0085] S3, pull the N-shaped frame 11 and rotate it ninety degrees. At this time, the squeezing block 1101 cannot resist the positioning block 13. Under the push of the supporting spring 1203, the positioning block 13 moves away from the limiting block 14 and the engagement of the two is released. At this time, hold the N-shaped frame 11 to rotate, and the rotating rod 12 is driven to rotate, and drives the clamping frame 9 and the driving sprocket 15 to rotate. Under the meshing transmission of the driving chain 17, multiple driven sprockets 16 rotate synchronously, so that the clamping frame 9 connected to the rotating rod 12 rotates, so that the clamping frame 9 drives the holding plate 8 to rotate around the clamping frame 9, and at the same time, the holding plate 8 drives the connected supporting frame 10 to slide under the guidance of the arc guide groove 701. After the holding plate 8 rotates to the required tilting angle, rotate the N-shaped frame 11 to keep it in the horizontal direction. At this time, the squeezing block 1101 squeezes the positioning block 13, so that the positioning block 13 is meshed with the limiting block 14, so as to perform rotation positioning;

[0086] S4, close the closed door 2 on the front of the quick-freezing machine body 1, then rotate the stud lock rod 203 to lock it in the bayonet of the locking plate 101, and finally connect the liquid nitrogen supply to the quick-freezing machine body 1, and start the quick-freezing machine body 1 and the blower mechanism through the controller 3 to start the quick-freezing operation.

[0087] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An adjustable quick freezer, comprising a quick freezer body (1), a closed door (2) being hingedly connected to the front of the quick freezer body (1), characterized in that: Also includes: A locking mechanism, the locking mechanism being arranged between the quick-freezing machine body (1) and the closed portion of the closed door (2), the locking mechanism being used to fasten the closed portion of the quick-freezing machine body (1) and the closed door (2); A blower mechanism, the blower mechanism being arranged inside the quick-freezing machine body (1) and located at one end close to the back, the blower mechanism being used to accelerate the circulation of cold air inside the quick-freezing machine body (1); A placing rack is arranged in a quick-freezing machine body (1), a plurality of containing parts are arranged in a central portion of the placing rack, and the plurality of containing parts are arranged in a vertical direction, a rotating mechanism is arranged between the plurality of containing parts and the placing rack, and the rotating mechanism is used to rotate and adjust the placing angle of the containing parts.

2. The adjustable quick freezer according to claim 1, characterized in that: A controller (3) is arranged on one side of the top of the quick-freezing machine body (1), and the controller (3) is used for starting and stopping the quick-freezing machine body (1) and the blower mechanism. A blocking block (201) is arranged on the back of the closed door (2).

3. The adjustable quick freezer according to claim 2, characterized in that: The blower mechanism comprises a support frame (4), a plurality of blower fans (401) are arranged in the middle of the support frame (4), and control ends of the plurality of blower fans (401) are electrically connected to output ends of the controller (3).

4. The adjustable quick freezer according to claim 1, characterized in that: The locking mechanism comprises: A locking plate (101), the locking plate (101) being arranged on one side of the quick-freezing machine body (1), and a latch is provided on a side of the locking plate (101) away from the quick-freezing machine body (1); A hinge seat (202) is arranged on one side of the closed door (2), a stud locking rod (203) is hinged in the middle of the hinge seat (202), and one end of the stud locking rod (203) away from the hinge seat (202) is inserted and connected in the bayonet.

5. The adjustable quick freezer according to claim 1, characterized in that: The inner wall at the bottom end of the quick-freezing machine body (1) is provided with a plurality of guide rail frames (102), and the plurality of guide rail frames (102) are used for the sliding support of the placement frame.

6. The adjustable quick freezer according to claim 5, characterized in that: The placement rack comprises: Rectangular frames (5), wherein a plurality of groups of the rectangular frames (5) are symmetrically arranged along the center of the vertical direction, a plurality of groups of movable pulleys (501) are arranged at the bottom end of one of the rectangular frames (5), and the plurality of groups of movable pulleys (501) are respectively connected to the tops of the plurality of guide rail frames (102) in a rolling manner; A supporting vertical rod (6), wherein a plurality of the supporting vertical rods (6) are arranged on a side of the rectangular frame (5) that is vertically opposite and close to an end of the front side, and a plurality of clamping frames (9) are arranged on a side of the rectangular frame (5) that is horizontally opposite, wherein an inner cavity is opened in the middle of one of the supporting vertical rods (6), and the rotating mechanism is arranged in the inner cavity, and the rotating mechanism is used to synchronously adjust the rotation angles of the plurality of clamping frames (9); A plurality of guide vertical rods (7) are arranged on a side of the rectangular frame (5) that is vertically opposite to the rectangular frame (5) and close to an end of the back side. A plurality of support frames (10) are arranged on a side of the rectangular frame (5) that is horizontally opposite to the rectangular frame (5). The plurality of support frames (10) are respectively matched with a plurality of clamping frames (9) for supporting and placing the contained items.

7. The adjustable quick freezer according to claim 6, characterized in that: The containing member comprises a containing tray (8), both sides of the containing tray (8) are provided with supporting bars (801), the supporting bars (801) are inserted and connected to the middle of the clamping frame (9) and the supporting frame (10), the inner walls of the supporting frame (10) and the clamping frame (9) are provided with clamping blocks (901) for clamping the supporting bars (801), and the horizontally opposite sides of the plurality of guide vertical rods (7) are provided with arc-shaped guide grooves (701), and the arc-shaped guide grooves (701) are used to guide the support frame (10) to slide in an arc direction.

8. The adjustable quick freezer according to claim 6, characterized in that: The rotating mechanism comprises: A rotating rod (12), wherein a plurality of the rotating rods (12) are respectively connected to the middle parts of a plurality of clamping frames (9) through insertion, and a limiting plate (1201) is provided at the insertion point between the rotating rod (12) and the clamping frame (9), wherein one end of one of the rotating rods (12) away from the clamping frame (9) penetrates the supporting vertical rod (6), and a control member is provided at the through end of the rotating rod (12); A driving sprocket (15), wherein the driving sprocket (15) is sleeved on the outer wall of a rotating rod (12) connected to the control member; A driven sprocket (16), wherein the plurality of driven sprockets (16) are respectively sleeved on the outer walls of the remaining plurality of rotating rods (12), and the outer walls of the plurality of driven sprockets (16) and the driving sprocket (15) are meshed with each other and sleeved with a driving chain (17).

9. The adjustable quick freezer according to claim 8, characterized in that: The control element comprises: a limit block (14), the limit block (14) being fixedly connected in the cavity and being located on a side away from the clamping frame (9), and the limit block (14) being rotatably sleeved on an outer wall of the rotating rod (12), and a first tooth groove being formed on a side of the limit block (14) away from the clamping frame (9); A positioning block (13), wherein the positioning block (13) is slidably sleeved on the outer wall of the rotating rod (12), a second tooth groove is provided on a side of the positioning block (13) close to the clamping frame (9), the second tooth groove and the first tooth groove are meshed with each other, a plurality of placement blocks (1202) are fixedly connected to the outer wall of the rotating rod (12), a through-slot is provided on a side of the positioning block (13) close to the clamping frame (9), and a supporting spring (1203) is provided between the opposite sides of the plurality of through-slots and the plurality of placement blocks (1202); An N-shaped frame (11), wherein two arms of the N-shaped frame (11) are rotatably sleeved on the through end of the rotating rod (12), and extrusion blocks (1101) are provided at both ends of the N-shaped frame (11), and the extrusion blocks (1101) are used to extrude the positioning block (13) close to the limit block (14).

10. A method for using an adjustable quick freezer, using the quick freezer according to any one of claims 1 to 9, characterized in that: The method of use includes the following steps: S1, firstly, take out the placement rack and the containing parts from the quick-freezing machine body (1), then take out the containing tray (8) in turn, then place the product to be quick-frozen in the containing tray (8), and insert the containing tray (8) in turn in the placement rack, and support and place it by a plurality of clamping frames (9) and support frames (10) at the same horizontal height; S2, first align the movable pulley (501) with the guide rail frame (102), and then push the placement rack containing the items to be quick-frozen into the quick-freezing machine body (1); S3, pull the N-shaped frame (11) and rotate it 90 degrees. At this time, the extrusion block (1101) cannot resist the positioning block (13). Under the push of the supporting spring (1203), the positioning block (13) moves away from the limit block (14) and the meshing of the two is released. At this time, hold the N-shaped frame (11) and rotate it. The rotating rod (12) is driven to rotate and drives the clamping frame (9) and the driving sprocket (15) to rotate. Under the meshing transmission of the driving chain (17), multiple driven sprockets (16) rotate synchronously, so that the connection with The clamping frame (9) of the rotating rod (12) rotates, so that the clamping frame (9) drives the containing plate (8) to rotate around the clamping frame (9), and at the same time, the containing plate (8) drives the connected supporting frame (10) to slide under the guidance of the arc-shaped guide groove (701). After the containing plate (8) rotates to the required tilting angle, the N-shaped frame (11) is rotated to maintain the horizontal direction. At this time, the squeezing block (1101) squeezes the positioning block (13), so that the positioning block (13) and the limit block (14) are meshed, thereby performing rotation positioning; S4, close the closed door (2) on the front of the quick-freezing machine body (1), then rotate the stud lock rod (203) to lock it in the bayonet of the locking plate (101), and finally connect the liquid nitrogen supply to the quick-freezing machine body (1), and start the quick-freezing machine body (1) and the blower mechanism through the controller (3) to start the quick-freezing operation.

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