Ultrasonic rapid freezing equipment and method for meat industry

Patent metadata

Field	Value
Publication number	US-11737469-B1
Application number	US-202218074529-A
Country	US
Kind code	B1
Filing date	Dec 5, 2022
Priority date	Aug 5, 2022
Publication date	Aug 29, 2023
Grant date	Aug 29, 2023

Abstract

An equipment body of an ultrasonic rapid freezing equipment is provided with a placement cavity, and the placement cavity is provided with a first electric telescopic rod. The bottom end of the first electric telescopic rod is provided with a receiving plate connected to a movable plate, and the movable plate is driven by a motor to rotate. The equipment body is provided with a first conveyor belt, and the inner end of the first conveyor belt is equipped with a second conveyor belt. The second conveyor belt is located on a mounting frame, and the bottom of the mounting frame is connected to a second electric telescopic rod. The bottom end of the second electric telescopic rod is connected to a moving block, the roller at the bottom of the moving block is located in the track on the top surface of the supporting block.

First claim

What is claimed is:

1. An ultrasonic rapid freezing equipment for a meat industry, comprising an equipment body, wherein a placement cavity with an upward opening is arranged in the equipment body; the upward opening of the placement cavity is provided with a cavity door, and a vertical first electric telescopic rod is arranged in the placement cavity; a bottom end of the vertical first electric telescopic rod is provided with a receiving plate, and left and right sides of the receiving plate are respectively rotated and connected to a movable plate; the movable plate is driven by a motor to rotate, and an inner end of the movable plate is connected to an elastic strip; left and right sides of a top of the equipment body are respectively, provided with an inclined slide plate;
both sides of the equipment body are respectively provided with a first conveyor belt; an inner end of the first conveyor belt is equipped with a second conveyor belt, and the second conveyor belt is allowed to be extended into the upward opening of the placement cavity; the second conveyor belt is located on a mounting frame; and a bottom of the mounting frame is connected to a vertical second electric telescopic rod; a bottom end of the vertical second electric telescopic rod is connected to a moving block, and a bottom end of the moving block is provided with a roller; the roller is located in a track, and the track is located on a top surface of a supporting block; one end of the supporting block is fixed with a horizontal third electric telescopic rod, and the horizontal third electric telescopic rod is connected to a side of the moving block; a third conveyor belt matched with the second conveyor belt is arranged below the first conveyor belt;
an ultrasonic generator is arranged on the equipment body;
the left and right sides of the receiving plate are respectively provided with mounting slots, front and rear ends of the mounting slots are connected to a rotary rod, and a top end of the rotary rod is connected to a connecting block, wherein the connecting block is connected to an outer end of the movable plate; a bottom end of the receiving plate is provided with a mounting block, the mounting block is provided with a synchronous wheel, the synchronous wheel is driven by the motor, and the synchronous wheel and the rotary rod are covered with a synchronous belt.

2. The ultrasonic rapid freezing equipment according to claim 1 , wherein a hole for the synchronous belt to pass through is arranged between the connecting block and the rotary rod, and a convex tooth is arranged in a circumferential direction of the rotary rod located at the hole.

3. The ultrasonic rapid freezing equipment according to claim 1 , wherein the mounting frame comprises a bottom plate, wherein the vertical second electric telescopic rod is connected to a bottom end of the bottom plate, and the bottom end of the bottom plate is provided with two groups of vertical rods; a top of each group of vertical rods is provided with a driving wheel, and the driving wheel is covered with the second conveyor belt.

4. The ultrasonic rapid freezing equipment according to claim 3 , wherein a group of horizontal cross rods is arranged on a top of a group of vertical rods near the equipment body, and the driving wheel is installed between the group of cross rods.

5. The ultrasonic rapid freezing equipment according to claim 4 , wherein a reinforcement rod is connected between the two groups of vertical rods.

6. The ultrasonic rapid freezing equipment according to claim 5 , wherein the first conveyor belt and the third conveyor belt are installed on another mounting frame and a position of the other mounting frame is fixed.

7. The ultrasonic rapid freezing equipment according to claim 1 , wherein the placement cavity is cooled by a CO 2 /NH 3 cascade refrigeration system, and the placement cavity is connected to a waste heat recovery device of the CO 2 /NH 3 cascade refrigeration system with water supply in a warm area.

8. An ultrasonic rapid freezing method for a meat industry, using the ultrasonic rapid freezing equipment for the meat industry according to claim 1 , and comprising the following steps:
step I: when bagged meat products are loaded, opening the cavity door, and adjusting the movable plate to the upward opening of the placement cavity through the vertical first electric telescopic rod;
step II: through an adjustment of the vertical second electric telescopic rod and the horizontal third electric telescopic rod, extending an inner end of the second conveyor belt to a top of the movable plate, wherein an outer end of the second conveyor belt corresponds to the first conveyor belt;
step III: transmitting the bagged meat products to the movable plate through the first conveyor belt and the second conveyor belt, and dropping the movable plate slowly through an adjustment of the vertical first electric telescopic rod; at the same time, allowing the movable plate to rotate back and forth in a small range;
step IV: after the placement cavity is filled with the bagged meat products, adjusting the second conveyor belt to make the inner end of the second conveyor belt leave, and then closing the cavity door for freezing;
step V: when taking out the bagged meat products, through the adjustment of the vertical second electric telescopic rod and the horizontal third electric telescopic rod, allowing the inner end of the second conveyor belt to be located at a bottom of the inclined slide plate, wherein the outer end of the second conveyor belt corresponds to the third conveyor belt;
step VI: opening the cavity door, adjusting the movable plate slowly through the vertical first electric telescopic rod, and allowing the movable plate to rotate back and forth in a small irregular range, so that the bagged meat products slide down from the inclined slide plate to the second conveyor belt, and are then output to the third conveyor belt, so as to complete a removal of the bagged meat products.

9. The ultrasonic rapid freezing method according to claim 8 , wherein the motor drives the rotary rod through the synchronous belt; when speed and steering of the motor are different, the movable plate rotates back and forth in the small irregular range.

10. The ultrasonic rapid freezing method according to claim 8 , wherein in the ultrasonic rapid freezing equipment, a hole for the synchronous belt to pass through is arranged between the connecting block and the rotary rod, and a convex tooth is arranged in a circumferential direction of the rotary rod located at the hole.

11. The ultrasonic rapid freezing method according to claim 8 , wherein in the ultrasonic rapid freezing equipment, the mounting frame comprises a bottom plate, wherein the vertical second electric telescopic rod is connected to a bottom end of the bottom plate, and the bottom end of the bottom plate is provided with two groups of vertical rods; a top of each group of vertical rods is provided with a driving wheel, and the driving wheel is covered with the second conveyor belt.

12. The ultrasonic rapid freezing method according to claim 11 , wherein in the ultrasonic rapid freezing equipment, a group of horizontal cross rods is arranged on a top of a group of vertical rods near the equipment body, and the driving wheel is installed between the group of cross rods.

13. The ultrasonic rapid freezing method according to claim 12 , wherein in the ultrasonic rapid freezing equipment, a reinforcement rod is connected between the two groups of vertical rods.

14. The ultrasonic rapid freezing method according to claim 13 , wherein in the ultrasonic rapid freezing equ

Assignees

• Univ Hefei Technology

Inventors

• Xu Baocai
• Wang Zhaoming
• Zhang Bao
• Zhou Hui
• Cai Kezhou

Classifications

• A23B2/8033

  with packages or with shaping in the form of blocks or portions · CPC title

• A23B2/001

  Details of apparatus, e.g. pressure feed valves or for transport, or loading or unloading manipulation · CPC title

• F25D13/06 Primary

  with conveyors carrying articles to be cooled through the cooling space · CPC title

• F25B7/00

  Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit (F25B9/00 takes precedence) · CPC title

• F25D2400/30

  Quick freezing · CPC title