WO2022011924A1

WO2022011924A1 - Head removing device for prawns

Info

Publication number: WO2022011924A1
Application number: PCT/CN2020/130999
Authority: WO
Inventors: 叶春蕾; 叶柯蕾; 韩远
Original assignee: 甸硕水产科技(化州)有限公司
Priority date: 2020-07-13
Filing date: 2020-11-24
Publication date: 2022-01-20
Also published as: CN112056373A

Abstract

A head removing device for prawns, the device comprising a first driving member (100), a head removing wheel (200), a conveying belt (300) and a clamping frame (400), wherein the head removing wheel (200) is provided with a plurality of peeling teeth (210) in the circumferential direction of the head removing wheel; a channel (410) for the conveying belt (300) to pass through from back to front is arranged inside the clamping frame (400); a processing port (420) which is in communication with the channel (410) is arranged at the top end of the clamping frame (400); the head removing wheel (200) is arranged at the processing port (420); the peeling teeth (210) extend into the channel (410); the channel (410) can make the two sides of the conveying belt (300) be bent upwards and oppositely, so as to clamp prawn bodies and convey the prawn bodies one by one in a vertical state; and when prawn bodies to be processed pass through the processing port (420), the rotating peeling teeth (210) scrape the edges of prawn head shells so as to peel the prawn head shells upwards, thereby achieving the effect of removing the heads, and keeping the head flesh of the prawns on the prawn bodies, without accurately positioning various prawn bodies. The device has a high production efficiency and good economic benefits.

Description

A device for decapitating shrimp

technical field

The invention relates to the technical field of food processing equipment, in particular to a shrimp deheading device.

Background technique

With the rapid development of transportation, coastal seafood has entered all parts of the inland. For shrimp, the requirements for feeding and transportation are high, and the transportation cost of live shrimp is high. Therefore, preliminary processing is required to produce shelled shrimp. Now shrimp processing enterprises have been Mainly focus on rough processed frozen shrimp and frozen shrimp products.

The heavy metals in the shrimp heads are harmful to the human body. People need to dehead the shrimp when eating. The decapitation of the shrimp is an important process in the automatic shelling equipment. The existing shrimp shelling equipment mainly uses shrimp body positioning. The head is removed by cutting afterward, which is difficult to process, and the shrimp head meat is also cut off during the cutting process, which greatly reduces the weight of the finished shrimp body, has high production costs and poor economic benefits.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is: on the basis of not needing to locate the shrimp body, the shell of the shrimp head can be quickly removed so as to keep the meat of the shrimp head on the shrimp body.

In order to solve the above technical problems, the present invention provides a shrimp deheading device, comprising a first driving member, a deheading wheel, a conveyor belt and a clamping frame, and the first driving member is used to provide a rotational driving force; the The deheading wheel is connected with the first output end of the first driving member, and the deheading wheel is provided with a plurality of stripping teeth along its circumferential direction; the conveyor belt is used for transporting shrimp bodies; the inside of the clamping frame is provided with A channel for the conveyor belt to pass through from back to front, the top end of the clamping frame is provided with a processing port that communicates with the channel, the deheading wheel is provided on the processing port, and the stripping teeth extend to In the channel, when the conveyor belt passes through the first channel, the two sides of the conveyor belt are bent upward relative to each other, so that the shrimp bodies are clamped and conveyed in a vertical state. When the shrimp bodies to be processed pass through the processing port. When the peeling teeth are in contact with the shrimp head shell and scrape off the shrimp head shell.

As a preferred solution, a transmission assembly is provided between the first driving member and the deheading wheel, and the transmission assembly includes: a first transmission wheel, a second transmission wheel, a rotating shaft and a transmission belt, and the first transmission wheel connected with the first output end of the first driving member; one end of the rotating shaft is connected with the deheading wheel, and the other end of the rotating shaft is connected with the second transmission wheel; the transmission belt The transmission is connected to the first transmission wheel and the second transmission wheel.

As a preferred solution, the transmission assembly further includes a connecting plate, one end of the connecting plate is rotatably connected to the rotating shaft, and the other end of the connecting plate is rotatably connected to the first output end of the first driving member.

As a preferred solution, the edge of the stripping teeth is in the shape of an inwardly concave arc.

As a preferred solution, the stripping teeth include a stripping surface and an outer peripheral surface, the stripping surface is arranged along the radial direction of the deheading wheel, and one end of the outer peripheral surface is connected with the top end of the stripping surface to define a Step corner, the other end of the outer peripheral surface is connected with the bottom end of the adjacent peeling surface, the angle of the longitudinal section of the step corner is 10° to 80°, and the other end of the outer peripheral surface is connected to the bottom end of the adjacent peeling surface. The angle formed by the bottom ends of the adjacent peeling surfaces is 10° to 90°.

As a preferred solution, the width of the processing port is larger than the width of the channel, and the width of the stripping teeth is smaller than the width of the channel.

As a preferred solution, the linear speed of the stripping teeth is greater than the conveying speed of the conveyor belt.

As a preferred solution, limit side plates are provided on both sides of the deheading wheel, and a gap groove for accommodating the edge of the conveyor belt after bending is provided between the limit and the stripping teeth.

As a preferred solution, it also includes a frame, a second driving member, a first conveying wheel and a second conveying wheel, the second driving member is used to provide a conveying driving force and is installed on the frame; the first The conveying wheel is connected with the second output end of the second driving member, and is installed on the frame; the second conveying wheel is installed on the frame, and the conveying belt is drivingly connected to the first A conveying wheel and the second conveying wheel.

As a preferred solution, a support plate is also included, the support plate is arranged on the outer side of the frame, and the clamp is erected on the support plate.

Compared with the prior art, a kind of shrimp deheading device provided by the present invention has the beneficial effects of:

In the present invention, the rotation of the deheading wheel is controlled by the first driving member, so that the stripping teeth are rotated, and the passage can make the two sides of the conveyor belt bend upwardly relative to each other, so as to clamp the shrimp body in a vertical position. It is conveyed one by one in a straight state. When the shrimp to be processed passes through the processing port, the rotating peeling teeth scrape the edge of the shrimp head shell to peel the shrimp head shell upward to achieve the effect of removing the head and realize the shrimp head meat. It is retained on the shrimp body, and there is no need to precisely locate the position of each shrimp body, and the production efficiency is high and the economic benefit is good.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a shrimp deheading device according to a preferred embodiment of the present invention.

2 is a schematic diagram of the internal structure of the shrimp deheading device according to the preferred embodiment of the present invention.

3 is a schematic structural diagram of a clamping frame in a shrimp deheading device according to a preferred embodiment of the present invention.

4 is a schematic diagram of the assembly structure of the deheading wheel and the conveyor belt in the shrimp deheading device according to the preferred embodiment of the present invention.

FIG. 5 is a schematic side view of the structure of FIG. 4 .

FIG. 6 is a schematic cross-sectional structural diagram of the deheading wheel in the shrimp deheading device according to the preferred embodiment of the present invention.

FIG. 7 is a schematic diagram of the three-dimensional structure of the deheading wheel in the shrimp deheading device according to the preferred embodiment of the present invention.

In the picture:

100. The first driving member; 110. The first output end;

200. Deheading wheel; 210. Stripping teeth; 211. Step corners; 212. Stripping surface; 213. Outer peripheral surface; 220. Limiting side plate; 230. Limiting groove; 260. Center hole;

300. Conveyor belt;

400. clamping frame; 410. channel; 420. processing port; 430. first side wall surface; 440. second side wall surface;

500. Transmission assembly; 510. First transmission wheel; 520. Second transmission wheel; 530. Rotating shaft; 540. Transmission belt; 550. Connecting plate;

600. rack; 610. support plate;

700. The second driving member; 710. The second output terminal;

800. The first conveying wheel;

900. Second conveyor wheel.

detailed description

The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are intended to illustrate the present invention, but not to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In the description of the present invention, it should be understood that the terms "connected", "connected", "fixed" and other terms used in the present invention should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It can be a mechanical connection or a welded connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between the two elements, unless otherwise clearly defined . For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

As shown in FIGS. 1 to 2 , a preferred embodiment of the present invention provides a shrimp deheading device, which includes a first driving member 100 , a deheading wheel 200 , a conveyor belt 300 and a clamping frame 400 . The deheading wheel 200 is used to provide rotational driving force; the deheading wheel 200 is connected with the first output end 110 of the first driving member 100, and the deheading wheel 200 is provided with a plurality of stripping teeth 210 along its circumference; the The conveyor belt 300 is used to transport the shrimp; the inside of the clamping frame 400 is provided with a channel 410 for the conveyor belt 300 to pass through from back to front, and the top of the clamping frame 400 is provided with the channel 410 The processing port 420 communicates with each other, the deheading wheel 200 is arranged on the processing port 420, the stripping teeth 210 extend into the channel 410, and when the conveyor belt 300 passes through the first channel 410, the The two sides of the conveyor belt 300 are relatively bent upwards, so that the shrimp bodies are clamped and conveyed in a vertical state. When the shrimp bodies to be processed pass through the processing port 420, the stripping teeth 210 are in contact with the shells of the shrimp heads and remove the shrimp heads. Shell scraped off.

Based on the shrimp deheading device based on the above technical features, the rotation of the deheading wheel 200 is controlled by the first driving member 100 to make the stripping teeth 210 rotate, and the channel 410 can make the conveyor belt 300 rotate. The two sides are bent upward relative to each other, and the shrimp bodies are clamped and conveyed one by one in a vertical state. When the shrimp bodies to be processed pass through the processing port 420, the rotating peeling teeth 210 scrape the edge of the shrimp head shell to remove the shrimp heads. The shrimp head shell is peeled upward to achieve the effect of removing the head, and the shrimp head meat is retained on the shrimp body, without the need to precisely locate the position of each shrimp body, and the production efficiency is high and has good economic benefits.

In this embodiment, a transmission assembly 500 is provided between the first driving member 100 and the deheading wheel 200 , and the transmission assembly 500 includes a first transmission wheel 510 , a second transmission wheel 520 , a rotating shaft 530 and A transmission belt 540, the first transmission wheel 510 is connected with the first output end 110 of the first driving member 100; one end of the rotating shaft 530 is connected with the deheading wheel 200, The other end is connected with the second transmission wheel 520; the transmission belt 540 is drivingly connected between the first transmission wheel 510 and the second transmission wheel 520, and the transmission belt 540 drives the transmission The rotation of the deheading wheel 200 is convenient for controlling the distance from the first driving member 100 to the clamping frame 400 to avoid position interference, and the transmission belt 540 can alleviate the impact and vibration load, and the operation is stable and noise-free. When the deheading wheel 200 is overloaded, the transmission belt 540 can slip on the first transmission wheel 510 and the second transmission wheel 520 to prevent damage to other components.

Further, the transmission assembly 500 further includes a connecting plate 550, one end of the connecting plate 550 is rotatably connected to the rotating shaft 530 through a bearing seat, and the other end of the connecting plate 550 is connected to the first drive through a bearing seat The first output end 110 of the component 100 is rotatably connected. During the rotation of the deheading wheel 200, the stripping teeth 210 are in direct contact with the shrimp body, and the connecting plate 550 is set to be connected to the first driving component. The first output end 110 of the 100 is rotatably connected to the structure, so that the deheading wheel 200 can rotate in a small range along the first output end 110 as the center, that is, the deheading wheel 200 can automatically follow the shrimp body. The size and height are free to float up and down, ensuring that the deheading process is not affected by shrimp bodies with different sizes, and the processing application is wider.

In this embodiment, a frame 600, a second driving member 700, a first conveying wheel 800 and a second conveying wheel 900 are further included. The second driving member 700 is used to provide a conveying driving force and is installed on the machine On the frame 600, the first conveying wheel 800 is connected to the second output end 710 of the second driving member 700, and is installed on the frame 600, and the second conveying wheel 900 is installed on the machine On the rack 600, the conveyor belt 300 is drivingly connected to the first conveying wheel 800 and the second conveying wheel 900, and the second driving member 700 is used as a driving source to realize the automatic conveying of the conveying belt 300, high degree of automation.

Wherein, in order to ensure that the shrimp head shell can be removed from the shrimp body being conveyed, the linear speed of the stripping teeth 210 in the deheading wheel 200 needs to be greater than the conveying speed of the conveyor belt 300 to ensure that the stripping teeth 210 move forward. Remove the shrimp head and shell, and detach from the shrimp body.

Further, it also includes a support plate 610, the support plate 610 is arranged on the outer side of the frame 600, the clamping frame 400 is arranged on the support plate 610, and the position of the support plate 610 can be adjusted, Change the position where the conveyor belt 300 is bent upward and folded in half.

In this embodiment, as shown in FIG. 3 , a first side wall surface 430 and a second side wall surface 440 are provided inside the clamping frame 400 , and the first side wall surface 430 and the second side wall surface 440 are opposite to each other. Set to define the channel 410, the first conveying wheel 800 and the second conveying wheel 900 tension the conveying belt 300, the shrimp bodies are placed on the conveying belt 300, and when conveyed to the When the rack 400 is clamped, under the action of the first side wall surface 430 and the second side wall surface 440, the flat shrimp can be clamped in a vertical direction with their backs up and their belly down, and with the The conveyor belt 300 is used for conveying, and during the process of squeezing the shrimp body by the conveyor belt 300, it will be in a straightened state, providing an accurate positioning posture for the deheading process. Wherein, the conveyor belt 300 adopts a soft flat belt, such as a PVC belt, a nylon belt, and the like.

In this embodiment, the height of the first end of the stripping teeth 210 along the radial direction of the deheading wheel 200 is smaller than the radial height of the second end of the stripping teeth 210 along the deburring wheel 200 , A stepped corner 211 is formed at the connection position between the first end of any one of the stripping teeth 210 and the second end of the adjacent one of the stripping teeth 210 .

Wherein, as shown in FIGS. 6 to 7 , the stripping tooth 210 includes a stripping surface 212 and an outer peripheral surface 213 , the stripping surface 212 is arranged along the radial direction of the deheading wheel 200 , and the outer peripheral surface 213 is One end is connected with the top end of the peeling surface 212 to define the step corner 211, and the other end of the outer peripheral surface 213 is connected with the bottom end of the adjacent peeling surface 212. The radial peeling The surface 212 ensures that when rotating, the edge of the shrimp head shell can be effectively stuck to ensure that the shrimp head shell can be taken away, and the plane where the peeling surface 212 is located is parallel to the axis of the central axis of the deheading wheel 200, Wherein, the plane where the peeling surface 212 is located passes through the central axis of the deheading wheel 200, or the bottom end of the peeling surface 212 is inclined in the opposite direction to the rotation direction of the deheading wheel 200, that is, the same peeling The bottom end of the peeling surface 212 of the tooth 210 and the bottom end of the outer peripheral surface 213 are inclined in the same direction to form a hook-like step corner 211 to ensure that the step corner 211 is stuck or hooked to the shrimp The edge of the head shell, wherein the edge of the shrimp head shell refers to the junction position between the shrimp head shell and the abdominal shrimp shell.

Further, the step corner 211 is an acute angle, the angle α of the longitudinal section of the step corner 211 is 10° to 80°, and the other end of the outer peripheral surface 213 is adjacent to the bottom of the peeling surface 212 . The angle β formed by the ends is 10° to 90°, so that the step corners 211 can hook the shrimp head shell and ensure the peeling effect of the shrimp head shell. Among them, the angle α is preferably 60°, and the angle β is preferably 85°. In this embodiment, the edge of the step corner 211 is in a concave arc shape, and the edge curvature of the step corner 211 is smaller than the edge curvature of the shrimp head shell, so that the step corner is better Fitting the shape of the shrimp head shell, expanding the contact area with the shrimp head shell, and further improving the peeling effect of the shrimp head shell.

Further, the outer peripheral surface 213 is a concave arc-shaped surface, that is, the arc-shaped stepped corners 211 are matched, and the outer peripheral surface 213 is directly processed into a downwardly concave arc-shaped surface to form The arc-shaped step corners 211 greatly reduce the difficulty of production and processing.

In this embodiment, the limiting side plates 220 are further included. The limiting side plates 220 are disposed on both sides of the deheading wheel 200 , and the stripping teeth 210 are located between the limiting side plates 220 on both sides. , the limit side plates 220 on the left and right sides play a limiting role on the conveyor belt 300 to ensure that the shrimp bodies carried by the conveyor belt 300 can pass through the stripping teeth 210 one by one, thereby improving the stability of its deheading. .

Further, as shown in FIGS. 4 and 5 , the diameter of the limiting side plate 220 is larger than the diameter of the deheading wheel 200 , that is, larger than the diameter of the outer contour circle formed by each of the stripping teeth 210 , so that the A U-shaped limit groove 230 is formed between the limit side plates 220 and the stripping teeth 210 on both sides. The conveyor belt 300 passes through the limit groove 230. When the deheading wheel 200 is rotating , the limit side plates 220 on both sides can assist the conveyor belt 300 to better clamp the shrimp body and ensure the separation effect of the shrimp head and shell.

In this embodiment, both sides of the deheading wheel 200 are provided with connecting portions 240 connected to the limiting side plates 220 , and the diameters of the connecting portions 240 are smaller than the diameters of the limiting side plates 220 . and the diameter of the outer contour circle formed by each of the stripping teeth 210, so that a gap groove 250 extending inward is formed between the stripping teeth 210, the connecting portion 240 and the limiting side plate 220, and the gap The grooves 250 are used to accommodate the two side edges of the conveyor belt 300 after being bent, so that the stripping teeth 210 extend into the interior of the conveyor belt 300 to decapitate the shrimp bodies.

In this embodiment, the center of the deheading wheel 200 is provided with a central hole 260 for connecting a driving member, so as to control the rotation of the deheading wheel 200 . The center is distributed in a circular array, which is convenient for processing and manufacturing.

In this embodiment, as shown in FIG. 3 , the width of the processing opening 420 is greater than the width of the channel 410 , that is, the limiting side plate 220 can extend into the channel 410 through the processing opening 420 , and are located on the two outer sides of the conveyor belt 300 to assist the conveyor belt 300 to better clamp the shrimp body, the width of the stripping teeth 210 is smaller than the width of the channel 410, more specifically, the stripping teeth 210 The width of the conveyor belt 300 is smaller than the width between the two edges of the conveyor belt 300 after bending, so as to ensure that the stripping teeth 210 can extend into the interior of the conveyor belt 300, thereby realizing the deheading operation of the shrimp body.

The working principle of the shrimp deheading device in this embodiment is as follows: the conveyor belt 300 enters the U-shaped channel 410 of the clamping frame 400 with the head of the shrimp body facing the conveying direction and the shrimp back facing upward, and the shrimp The body is clamped, squeezed and straightened by the conveyor belt 300, and passes through the deheading wheel 200 that can float up and down freely and rotate, because the linear speed of the stripping teeth 210 is greater than the conveying speed of the conveyor belt 300, Therefore, during the rotation process of the peeling teeth 210, the edge of the shrimp head shell can be stuck or hooked, and the shrimp head shell can be quickly scraped off the shrimp body to achieve the effect of deheading and retain the shrimp head meat.

To sum up, the above-mentioned embodiments of the present invention provide a shrimp deheading device with the following advantages: (1) During the rotation process, the stripping teeth 210 are used to take away the shrimp head shell of the clamped shrimp body, and retain the shrimp (2) The deheading wheel 200 can float up and down freely through the connecting plate 550, is not affected by the size difference of the shrimp body, and has a wide range of applications; (3) The shrimp body is transported one by one through the conveyor belt 300 The deheading operation is performed to the processing port 420 without positioning, which greatly reduces the difficulty of processing; (4) the structure is simple, and the manufacturing and production costs are low.

The above description is only the preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principle of the present invention, several improvements and replacements can be made. These improvements and replacements It should also be regarded as the protection scope of the present invention.

Claims

A shrimp deheading device, characterized in that, comprising:

a first driving member for providing rotational driving force;

a deheading wheel, which is connected with the first output end of the first driving member, and the deheading wheel is provided with a plurality of stripping teeth along its circumferential direction;

Conveyor belt, used to transport shrimp body;

A clamping frame is provided with a channel for the conveyor belt to pass through from back to front, the top end of the clamping frame is provided with a processing port that communicates with the channel, and the deheading wheel is provided on the processing On the mouth, the stripping teeth extend into the channel. When the conveyor belt passes through the first channel, the two sides of the conveyor belt are bent upwards relative to each other, so as to clamp the shrimp body in a vertical state for transportation. When the processed shrimp body passes through the processing port, the peeling teeth abut against the shrimp head shell and scrape the shrimp head shell away.
The shrimp deheading device according to claim 1, wherein a transmission assembly is provided between the first driving member and the deheading wheel, and the transmission assembly comprises:

a first transmission wheel, connected with the first output end of the first driving member;

the second transmission wheel;

a rotating shaft, one end of which is connected with the deheading wheel, and the other end is connected with the second transmission wheel;

The transmission belt is drivingly connected to the first transmission wheel and the second transmission wheel.
The shrimp deheading device according to claim 2, wherein the transmission assembly further comprises:

One end of the connecting plate is rotatably connected with the rotating shaft, and the other end is rotatably connected with the first output end of the first driving member.
The shrimp deheading device according to claim 1, wherein the edge of the stripping teeth is in the shape of an inwardly concave arc.
The shrimp deheading device according to claim 1, wherein the stripping teeth include a stripping surface and an outer peripheral surface, and the stripping surface is arranged along the radial direction of the deheading wheel, and the outer peripheral surface is One end is connected with the top end of the peeling surface to define a stepped corner, the other end of the outer peripheral surface is connected with the bottom end of the adjacent peeling surface, and the angle of the longitudinal section of the stepped corner is 10 ° to 80°, and the angle formed by the other end of the outer peripheral surface and the bottom end of the adjacent peeling surface is 10° to 90°.
The shrimp deheading device according to claim 1, wherein the width of the processing port is greater than the width of the channel, and the width of the stripping teeth is smaller than the width of the channel.
The shrimp deheading device according to claim 1, wherein the linear speed of the stripping teeth is greater than the conveying speed of the conveyor belt.
The shrimp deheading device according to claim 1, wherein limit side plates are provided on both sides of the deheading wheel, and between the limit and the stripping teeth are provided for accommodating the bent Gap grooves at the edge of the conveyor belt.
The shrimp deheading device according to any one of claims 1 to 8, further comprising:

frame;

a second driving member for providing a conveying driving force and mounted on the frame;

a first conveying wheel, connected with the second output end of the second driving member, and mounted on the frame;

A second conveying wheel is installed on the frame, and the conveying belt is drivingly connected to the first conveying wheel and the second conveying wheel.
The shrimp deheading device according to claim 9, further comprising:

The support plate is arranged on the outer side of the frame, and the clamp is erected on the support plate.