Back opening shrimp line device capable of adjusting shrimp body state

CN122873592APending Publication Date: 2026-10-09SICHUAN UNIV
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202610956014.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-06-30
Publication Date
2026-10-09

AI Technical Summary

Technical Problem

该类方案虽然能够减少人工摆放,但存在结构复杂、成本较高、调试难度大、设备维护要求高等问题

Benefits of technology

1)在本技术中,大批量的虾依次通过上导流板、上导轮组件、中导流板、下导轮组件及上导流弧板和下导流弧板的组合结构对虾的姿态进行调整,然后通过开背去线组件去虾线,装置结构简单,操作简单,并且去虾线的效率高。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122873592A_ABST
    Figure CN122873592A_ABST
Patent Text Reader

Abstract

The application discloses an open-back shrimp line removing device capable of adjusting shrimp body state, which comprises an open-back line removing assembly, two groups of parallel side plates arranged on a rack, an upper guide plate arranged on the upper part between the two side plates, a middle guide plate arranged on the middle part between the two side plates, a lower guide arc plate arranged on the lower part between the two side plates, an upper guide arc plate arranged between the lower guide arc plate and the middle guide plate, an entrance arranged on the middle part of the upper guide arc plate and matched with the middle guide plate, an upper guide wheel assembly arranged between the lower end of the upper guide plate and the upper end of the middle guide plate, a lower guide wheel assembly arranged between the entrance and the middle guide plate, a discharge port arranged between the upper guide arc plate and the lower guide arc plate, and the open-back line removing assembly arranged on the discharge port. The device has simple structure and simple operation, and has high shrimp line removing efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of shrimp deveining technology, and in particular to a shrimp deveining device with adjustable shrimp body position. Background Technology

[0002] Existing methods for deveining shrimp mainly include manual processing, manual-assisted mechanical processing, and partially automated mechanical processing.

[0003] Manual processing typically involves operators picking up shrimp one by one, placing them back-side up or at a specific angle, cutting open the back with a knife, and manually removing or rinsing out the shrimp vein. While this method offers greater flexibility, it is inefficient, labor-intensive, and inconsistent in cutting depth, back-opening position, and vein removal effectiveness among different workers, easily leading to damage to the shrimp meat, residual shrimp vein, or inconsistent product specifications.

[0004] Manual-assisted mechanical processing typically requires operators to place each shrimp individually in front of a clamp, conveyor trough, or blade, ensuring the shrimp's back is aligned with the blade, and then the mechanical blade performs the back-opening cut. While this type of equipment can improve efficiency in the cutting stage, feeding and posture adjustment still rely on manual labor, preventing truly continuous, fully automated processing. When dealing with a large number of shrimp, the speed of manual placement becomes a bottleneck to overall machine efficiency.

[0005] Automated equipment uses visual recognition, photoelectric sensors, electrically controlled clamping mechanisms, or complex sorting mechanisms to identify shrimp posture and control the actuators to adjust the shrimp to a suitable cutting direction. While this approach reduces manual placement, it suffers from problems such as complex structure, high cost, difficult debugging, and demanding equipment maintenance. Because shrimp have moisture and mucus on their surface, and their bodies are curved and vary significantly in size, visual recognition or sensor detection is prone to misjudgment. Furthermore, the humid environment of seafood processing makes electronic components susceptible to damage from moisture, dirt, and shrimp mucus over long-term operation, leading to reduced equipment stability. Summary of the Invention

[0006] The purpose of this invention is to overcome the shortcomings of the prior art and provide a shrimp deveining device that can adjust the shrimp's body state.

[0007] The objective of this invention is achieved through the following technical solution: A shrimp deveining device with adjustable shrimp body position includes a frame, side plates, an upper guide plate, a middle guide plate, an upper guide arc plate, a lower guide arc plate, an upper guide wheel assembly, a lower guide wheel assembly, and a deveining assembly. The frame has two sets of parallel side plates. The upper guide plate is located on the upper part between the two side plates, the middle guide plate is located on the middle part between the two side plates, and the lower guide arc plate is located on the lower part between the two side plates. The upper guide arc plate is located between the lower guide arc plate and the middle guide plate. An inlet cooperating with the middle guide plate is located on the middle part of the upper guide arc plate. The upper guide wheel assembly is located between the lower end of the upper guide plate and the upper end of the middle guide plate. The lower guide wheel assembly is located between the inlet and the middle guide plate. A discharge port is located between the upper and lower guide arc plates, and the deveining assembly is located on the discharge port.

[0008] Furthermore, the back opening and wire removal assembly includes a back opening guide wheel, a back opening blade, and a flaring plate. A back opening motor and a cutting motor are fixedly mounted on the side plate. The back opening guide wheel is fixedly mounted on the output shaft of the back opening motor. The back opening blade is fixedly mounted on the output shaft of the cutting motor and cooperates with the back opening guide wheel. The flaring plate is provided on both sides of the back opening blade.

[0009] Furthermore, the back opening and de-threading assembly also includes a pressure plate and a spring. The upper end of the pressure plate is fixedly mounted on the side plate, and the spring is disposed between the lower end of the pressure plate and the side plate. The lower end of the pressure plate also engages with the back opening blade.

[0010] Furthermore, the upper guide wheel assembly includes an upper guide wheel and an upper guide wheel motor. Two upper guide wheel motors are provided on the side plate, and the two cooperating upper guide wheels are respectively fixed on the output shafts of the two upper guide wheel motors.

[0011] Furthermore, the lower guide wheel assembly includes a lower guide wheel and a lower guide wheel motor. Two lower guide wheel motors are provided on the side plate, and the two cooperating lower guide wheels are respectively fixed on the output shafts of the two lower guide wheel motors.

[0012] Furthermore, a hopper is fixedly installed on the top of the frame, and a feeding control plate is installed on the opening at the lower end of the hopper. The feeding control plate is installed on the output shaft of the feeding motor, and the feeding motor is fixedly installed on the side plate.

[0013] Furthermore, a water pump is fixedly installed on the side plate, the output port of the water pump is located between the lower end of the middle guide plate and the lower guide wheel assembly, and a water storage tank that is sealed and connected to the water pump input port is provided on the lower part of the frame.

[0014] Furthermore, a middle guide arc plate that cooperates with the upper guide wheel assembly is fixedly provided on the upper end of the middle guide plate.

[0015] Furthermore, an outlet guide plate that cooperates with the back opening and wire removal assembly is fixedly provided on the lower end of the side plate.

[0016] The beneficial effects of this invention are: 1) In this technology, a large number of shrimp are sequentially passed through an upper guide plate, an upper guide wheel assembly, a middle guide plate, a lower guide wheel assembly, and a combination structure of an upper guide arc plate and a lower guide arc plate to adjust the posture of the shrimp. Then, the shrimp vein is removed by the back-opening and deveining assembly. The device has a simple structure, is easy to operate, and has high efficiency in removing the shrimp vein.

[0017] 2) The water pumped by the water pump not only has a lubricating effect, but also cleans the back-opening guide wheel, back-opening blade and flaring plate, as well as rinses the shrimp vein on the knife.

[0018] 3) In this technology, the pressure plate and spring effectively prevent the shrimp from swinging to both sides during the back cutting process, and can form a flexible centering effect. The angle and lateral position of the shrimp before entering the back-opening blade are finely adjusted, so that the shrimp back enters the back-opening blade cutting path more stably, reducing off-cutting and shrimp meat damage. Attached Figure Description

[0019] Figure 1 This is a three-dimensional connection structure diagram of the device; Figure 2 This is a diagram of the internal connection structure of this device; Figure 3 This is a diagram showing the connection structure between the pressure plate and the spring; In the diagram, 1-frame, 2-side plate, 3-upper guide plate, 4-middle guide plate, 5-upper guide arc plate, 6-lower guide arc plate, 7-inlet, 8-outlet, 9-back-opening guide wheel, 10-back-opening blade, 11-flaring plate, 12-back-opening motor, 13-cutting motor, 14-pressing plate, 15-spring, 16-upper guide wheel, 17-upper guide wheel motor, 18-lower guide wheel, 19-lower guide wheel motor, 20-hopper, 21-material control board, 22-discharge motor, 23-water pump, 24-water storage tank, 25-middle guide arc plate, 26-outlet guide plate. Detailed Implementation

[0020] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] See Figures 1-3 The present invention provides a technical solution: An adjustable shrimp deveining device includes a frame 1, side plates 2, an upper guide plate 3, a middle guide plate 4, an upper guide arc plate 5, a lower guide arc plate 6, an upper guide wheel assembly, a lower guide wheel assembly, and a deveining assembly. The frame 1 has two sets of parallel side plates 2. The upper guide plate 3 is positioned on the upper part between the two side plates 2, the middle guide plate 4 is positioned on the middle part between the two side plates 2, and the lower guide arc plate 6 is positioned on the lower part between the two side plates 2. The upper guide arc plate 5 is positioned between the lower guide arc plate 6 and the middle guide plate 4. An inlet 7, which cooperates with the middle guide plate 4, is located on the middle part of the upper guide arc plate 5. The upper guide wheel assembly is positioned between the lower end of the upper guide plate 3 and the upper end of the middle guide plate 4. The lower guide wheel assembly is positioned between the inlet 7 and the middle guide plate 4. An outlet 8 is located between the upper guide arc plate 5 and the lower guide arc plate 6. The deveining assembly is positioned on the outlet 8. A middle guide plate 25, which mates with the upper guide wheel assembly, is fixedly mounted on the upper end of the middle guide plate 4. The frame 1 is used to mount the side plates 2. The two upper guide plates 3, two middle guide plates 4, two upper guide arc plates 5, and two middle guide arc plates 25 are symmetrically arranged between the two side plates 2. The two sets of back-opening and deveining assemblies are also symmetrically arranged. The upper guide plate 3, middle guide plate 4, upper guide arc plate 5, and lower guide arc plate 6 can all be fixed to one side plate 2 or to both side plates 2. The shrimp that needs to be deveined enters between the two upper guide plates 3, then passes through the upper guide wheel assembly, enters between the two middle guide plates 4, and then passes through the lower guide wheel assembly before entering between the guide arc plates 5 and 6. By adjusting the shrimp's posture, the shrimp finally enters the back-opening and deveining assembly for deveining.

[0022] In some embodiments, the back-opening and deveining assembly includes a back-opening guide wheel 9, a back-opening blade 10, and a flaring plate 11. A back-opening motor 12 and a cutting motor 13 are fixedly mounted on the side plate 2. The back-opening guide wheel 9 is fixedly mounted on the output shaft of the back-opening motor 12, and the back-opening blade 10 is fixedly mounted on the output shaft of the cutting motor 13 and cooperates with the back-opening guide wheel 9. Flaring plates 11 are provided on both sides of the back-opening blade 10. Both the back-opening motor 12 and the cutting motor 13 are existing motors. The back-opening motor 12 drives the back-opening guide wheel 9 to rotate, causing the shrimp to move downwards. An annular groove is provided in the middle of the back-opening guide wheel 9. The cutting motor 13 drives the back-opening blade 10 to rotate. When the shrimp enters the annular groove, the back-opening blade 10 cuts open the back of the shrimp. Flaring plates 11 are provided on both sides of the back-opening blade 10, and protrusions are provided on the flaring plates 11. Under the action of the flaring plates 11 and the protrusions, not only is the cut on the shrimp's back enlarged, but the shrimp vein on the shrimp's back is also removed.

[0023] In some embodiments, the back-cutting and de-lamination assembly further includes a pressure plate 14 and a spring 15. The upper end of the pressure plate 14 is fixed to the side plate 2, and the lower end of the pressure plate 14 is disposed between the pressure plate 14 and the side plate 2, with the lower end of the pressure plate 14 engaging with the back-cutting blade 10. The spring 15 can be a tension spring or a compression spring. When the spring 15 is compressed, the pressure plate 14 and the spring 15 are fixed to the same side plate 2. When the spring 15 is stretched, the pressure plate 14 and the spring 15 are fixed to different side plates 2. The pressure plate 14 prevents the shrimp from swaying arbitrarily to either side during the back-cutting process. The combined use of the pressure plate 14 and the spring 15 provides a flexible centering effect on the shrimp, fine-tuning the angle and lateral position of the shrimp before it enters the back-cutting blade, allowing the shrimp's back to enter the cutting path of the back-cutting blade 10 more stably, reducing off-center cutting and damage to the shrimp meat. In some embodiments, the upper guide wheel assembly includes upper guide wheels 16 and upper guide wheel motors 17. Two upper guide wheel motors 17 are disposed on the side plate 2, and two cooperating upper guide wheels 16 are respectively fixedly disposed on the output shafts of the two upper guide wheel motors 17. The upper guide wheel motors 17 are conventional motors, and the two upper guide wheel motors 17 respectively drive the two upper guide wheels 16 to rotate, causing the shrimp body to move downwards. The lower ends of the two upper guide plates 3 are located between the two upper guide wheels 16, and the two upper guide wheels 16 are located between the two middle guide arc plates 25.

[0024] In some embodiments, the lower guide wheel assembly includes a lower guide wheel 18 and a lower guide wheel motor 19. Two lower guide wheel motors 19 are provided on the side plate 2, and two cooperating lower guide wheels 18 are respectively fixed on the output shafts of the two lower guide wheel motors 19. The lower guide wheel motors 19 are motors in the prior art. The two lower guide wheel motors 19 drive the two lower guide wheels 18 to rotate. When the two lower guide wheels 18 rotate, they drive the shrimp body to move downward. The lower end of the middle guide plate 4 is located between the two lower guide wheels 18, and the upper end of the upper guide arc plate 5 is located close to the lower guide wheels 18. Therefore, after passing through the two lower guide wheels 18, the shrimp body directly enters the space between the upper guide arc plate 5 and the lower guide arc plate 6 through the inlet 7.

[0025] In some embodiments, a hopper 20 is fixedly mounted on the top of the frame 1, and a feeding control plate 21 is mounted on the opening at the lower end of the hopper 20. The feeding control plate 21 is mounted on the output shaft of the feeding motor 22, which is fixedly mounted on the side plate 2. The hopper 20 can hold more shrimp. By controlling the feeding motor 22, the feeding control plate 21 rotates, opening the lower opening of the hopper 20 and allowing the shrimp to enter between the two upper guide plates 3. Therefore, the hopper 20 enables the batch processing of shrimp.

[0026] In some embodiments, a water pump 23 is fixedly installed on the side plate 2. The output port of the water pump 23 is located between the lower end of the middle guide plate 4 and the lower guide wheel assembly. A water storage tank 24 is provided on the lower part of the frame 1, which is in sealed communication with the input port of the water pump 23. The water storage tank 24 is filled with water. In the prior art, the water pump 23 draws water from the water storage tank 24 and enters it between the two lower guide wheels 18. The water has a lubricating effect and can also clean the back-opening guide wheel 9, the back-opening blade 10, and the flaring plate 11, as well as rinse the shrimp vein on the back-opening blade 10 and the flaring plate 11.

[0027] In some embodiments, an outlet guide plate 26 that cooperates with the back-opening and de-decoration assembly is fixedly provided on the lower end of the side plate 2. A storage box is provided at the bottom of the frame 1, and the processed shrimp can enter the storage box. An outlet guide plate 26 is provided on both sides between the two side plates 2, and the shrimp processed on the back-opening and de-decoration assembly on both sides can smoothly enter the storage box under the action of the outlet guide plate 26.

[0028] In the description of this invention, it should be understood that the terms "upper", "lower", "bottom", "one end", "top", "middle", "other end", "coaxial", "one side", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0029] In this invention, unless otherwise explicitly specified and limited, the terms "set", "install", "connect", "fix", "hinged", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0030] The above description is merely a preferred embodiment of the present invention. It should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A shrimp deveining device with adjustable shrimp body position, characterized in that: The assembly includes a frame (1), side plates (2), an upper guide plate (3), a middle guide plate (4), an upper guide arc plate (5), a lower guide arc plate (6), an upper guide wheel assembly, a lower guide wheel assembly, and a back-opening and wire-removing assembly. The frame (1) has two sets of parallel side plates (2). The upper guide plate (3) is located on the upper part between the two side plates (2), the middle guide plate (4) is located on the middle part between the two side plates (2), and the lower guide arc plate (6) is located on the lower part between the two side plates (2). The upper guide arc plate (5)... The upper guide plate (5) is located between the lower guide plate (6) and the middle guide plate (4). The middle part of the upper guide plate (5) is provided with an inlet (7) that cooperates with the middle guide plate (4). The upper guide wheel assembly is located between the lower end of the upper guide plate (3) and the upper end of the middle guide plate (4). The lower guide wheel assembly is located between the inlet (7) and the middle guide plate (4). The outlet (8) is provided between the upper guide plate (5) and the lower guide plate (6). The back opening and de-line assembly is located on the outlet (8).

2. The shrimp deveining device with adjustable shrimp body state according to claim 1, characterized in that: The back opening and wire removal assembly includes a back opening guide wheel (9), a back opening blade (10), and a flaring plate (11). A back opening motor (12) and a cutting motor (13) are fixedly installed on the side plate (2). The back opening guide wheel (9) is fixedly installed on the output shaft of the back opening motor (12). The back opening blade (10) is fixedly installed on the output shaft of the cutting motor (13) and cooperates with the back opening guide wheel (9). The flaring plate (11) is installed on both sides of the back opening blade (10).

3. The shrimp deveining device with adjustable shrimp body state according to claim 2, characterized in that: The back opening and de-threading assembly also includes a pressure plate (14) and a spring (15). The upper end of the pressure plate (14) is fixed on the side plate (2), and the lower end of the pressure plate (14) is provided with the spring (15) between it and the side plate (2). The lower end of the pressure plate (14) cooperates with the back opening blade (10).

4. A shrimp deveining device with adjustable shrimp body state according to any one of claims 1-3, characterized in that: The upper guide wheel assembly includes an upper guide wheel (16) and an upper guide wheel motor (17). Two upper guide wheel motors (17) are provided on the side plate (2). The two cooperating upper guide wheels (16) are respectively fixed on the output shafts of the two upper guide wheel motors (17).

5. A shrimp deveining device with adjustable shrimp body state according to any one of claims 1-3, characterized in that: The lower guide wheel assembly includes a lower guide wheel (18) and a lower guide wheel motor (19). Two lower guide wheel motors (19) are provided on the side plate (2). The two cooperating lower guide wheels (18) are respectively fixed on the output shafts of the two lower guide wheel motors (19).

6. A shrimp deveining device with adjustable shrimp body state according to any one of claims 1-3, characterized in that: A hopper (20) is fixedly installed on the top of the frame (1). A feeding control plate (21) is installed on the opening at the lower end of the hopper (20). The feeding control plate (21) is installed on the output shaft of the feeding motor (22). The feeding motor (22) is fixedly installed on the side plate (2).

7. A shrimp deveining device with adjustable shrimp body state according to any one of claims 1-3, characterized in that: A water pump (23) is fixedly installed on the side plate (2). The output port of the water pump (23) is located between the lower end of the middle guide plate (4) and the lower guide wheel assembly. A water storage tank (24) is provided on the lower part of the frame (1) and is sealed and connected to the input port of the water pump (23).

8. A shrimp deveining device with adjustable shrimp body state according to any one of claims 1-3, characterized in that: The upper end of the middle guide plate (4) is fixedly provided with a middle guide arc plate (25) that cooperates with the upper guide wheel assembly.

9. A shrimp deveining device with adjustable shrimp body state according to any one of claims 1-3, characterized in that: An outlet guide plate (26) that cooperates with the back opening and wire removal assembly is fixedly provided on the lower end of the side plate (2).