Eccentric extrusion type walnut shell breaking and kernel taking device with conveying and cutting structure

Abstract

The utility model relates to an eccentric extrusion type walnut shell breaking and kernel taking device with a conveying and cutting structure. The problems that in the prior art, the shell breaking rate is low, and walnut kernels are incomplete and fragile during walnut shell breaking and kernel taking are solved. The scheme adopted by the utility model comprises a mechanical claw, a transmission mechanism, a cutting mechanism and an extrusion device, the conveying mechanism comprises a strip-shaped U-shaped frame, the upper portion of the strip-shaped U-shaped frame is covered with a top cover, a strip-shaped sliding rail is arranged on the inner wall of the top of the top cover, the mechanical claw is arranged on the sliding rail in a sliding mode, the cutting mechanisms are arranged on the two sides of the inner wall of the U-shaped frame, and the extruding device is fixedly arranged at the tail end of the conveying mechanism. The squeezing device comprises a supporting frame, a clamping plate is arranged on the supporting frame, a V-shaped open groove is formed in one end of the clamping plate, the other end of the clamping plate is fixedly arranged on the supporting frame through a shaft, three cylinders are further arranged on the supporting frame and evenly distributed on the semi-circumference of the open end of the V-shaped open groove of the clamping plate, and a walnut can be placed between the three cylinders and the V-shaped open groove.

Description

Technical Field

[0001] The utility model relates to the technical field of walnut shelling and kernel extraction, in particular to an eccentric extrusion type walnut shelling and kernel extraction device provided with a conveying and cutting structure. Background Art

[0002] As people's demand for nut foods increases, walnuts, as a common nut, are rich in amino acids, trace elements such as Mn, Zn, and vitamins. After different processing techniques, they can be made into various health products and foods.

[0003] As walnut kernels and their processed products increase in value, market demand for them is growing. However, walnut shells are hard and thick, with numerous internal segments and a small distance between the shell and the kernel. Due to the inherent characteristics of walnut shells, cracking the shells and extracting the kernels is a relatively difficult task. Existing walnut shelling devices suffer from low shelling efficiency, low kernel integrity rates, and high kernel skin damage rates.

[0004] Patent number "2023218038879," titled "A Walnut Shelling Device," discloses a device for separating walnut shells from walnut kernels. However, the device's rotation and extrusion during the shelling process can easily damage the kernels, and the process is inefficient. After the extrusion is complete, the kernels fall off the device, which can easily cause damage to the kernels, reducing the integrity of the kernels.

[0005] The patent number is "202322294138.4", and the patent name is "A walnut shell cracking and kernel extraction device". The patent discloses a device that can cut, crack the shells and extract the kernels of multiple walnuts at the same time. The problem is that different cutting forces cannot be set for walnuts of different sizes, which easily leads to a low kernel integrity rate. Because the walnuts are of different sizes, there are problems such as movement and residue during cutting, which affects the efficiency of shell cracking and kernel extraction. Utility Model Content

[0006] In view of this, the utility model provides an eccentric extrusion walnut shelling and kernel extraction device with a conveying and cutting structure to solve the problems of low shelling rate, incomplete walnut kernels and fragile walnut kernels in the existing technology.

[0007] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an eccentric extrusion type walnut shelling and kernel extraction device provided with a transmission and cutting structure, characterized in that it includes a mechanical claw, a transmission mechanism, a cutting mechanism and an extrusion device;

[0008] The transmission mechanism includes a strip-shaped U-shaped frame, the upper cover of the strip-shaped U-shaped frame is provided with a top cover, the top inner wall of the top cover is provided with a strip-shaped slide rail, and a mechanical claw is slidably provided on the slide rail. The cutting mechanism is provided on both sides of the inner wall of the U-shaped frame, and the extrusion device is fixedly provided at the end of the transmission mechanism;

[0009] The extrusion device includes a support frame, the upper surface of the support frame is provided with a supporting plate, one end of the supporting plate is provided with a V-shaped opening groove, and the other end is arranged in contact with a cam. A motor-controlled rocker is provided on the cam to rotate the cam, driving the supporting plate to move and squeeze the walnut. The support frame is also provided with three cylinders, which are evenly distributed on the semicircle of the open end of the V-shaped opening groove of the supporting plate, and a walnut can be placed between the V-shaped opening groove.

[0010] Furthermore, an elliptical hole is provided in the middle of the supporting plate, and a pin connected to the support frame is provided in the elliptical hole, and the supporting plate moves in the elliptical hole through the pin.

[0011] Furthermore, the cutting mechanism is provided in a plurality and evenly distributed in the grooves on both sides of the inner wall of the U-shaped frame, and the cutting mechanism is a circular cutting blade.

[0012] Furthermore, a pin is provided on the supporting plate close to the cam side, and a spring is connected between the pin and the motor control rocker.

[0013] Furthermore, a blocking plate is provided between the end of the transmission mechanism and the extrusion device.

[0014] Furthermore, the structure of the top cover is a trapezoidal structure with the bottom facing upward and being hollow.

[0015] Compared with the prior art, the effects of the present invention are:

[0016] 1. The utility model adopts an eccentric extrusion device designed on the principle of mechanical lever to perform the final shell-breaking and kernel-taking operation on walnuts. The eccentric extrusion can provide uniform and powerful force to ensure that the walnut shell is effectively broken while protecting the integrity of the walnut kernel to the maximum extent.

[0017] 2. The utility model uses mechanical claws to effectively fix the walnuts according to the principle that the walnut's normal line is easy to break. The cutting mechanism is built into both sides of the transmission mechanism. The walnuts are cut by the cutting blades but not separated, ensuring the integrity of the walnut kernels. The walnuts are sent to the extrusion device at the end through the mechanical claws. The eccentric extrusion uniformly applies force, which can make the walnut shelling simpler and effectively improve the overall goal of walnut shelling and kernel extraction.

[0018] 3. The utility model has a high shell breaking rate, can keep the walnut kernel intact, and has a low kernel skin damage rate.

[0019] 4. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0021] Figure 2 A schematic structural diagram of the extrusion device of the utility model.

[0022] Description of the accompanying drawings: 1. Mechanical claw, 2. Transmission mechanism, 3. Cutting mechanism, 4. Extrusion device, 5. U-shaped frame, 6. Top cover, 7. Slide rail, 8. Support plate, 9. Cylinder, 10. Blocking plate, 11. Motor control rocker, 12. Cam, 13. Pin, 14. Pin, 15. Spring. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying 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 embodiments described 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 making creative efforts are within the scope of protection of the present invention.

[0024] The utility model provides an eccentric extrusion type walnut shelling and kernel extraction device with a transmission and cutting structure, comprising a mechanical claw 1, a transmission mechanism 2, a cutting mechanism 3 and an extrusion device 4; the transmission mechanism 2 comprises a strip-shaped U-shaped frame 5, the upper cover of the strip-shaped U-shaped frame 5 is provided with a top cover 6, and a strip-shaped slide rail 7 is provided on the top inner wall of the top cover 6, and the mechanical claw 1 is arranged on the slide rail 7 and can slide back and forth; the cutting mechanism 3 is arranged on both sides of the inner wall of the U-shaped frame 5, and when the mechanical claw 1 tightens the walnut through the slide rail, the cutting device cuts the walnut from the normal line, and the mechanical claw reaches the end of the slide rail and releases the mechanical claw. Claws put the cut walnuts into the end of the transmission mechanism; the extrusion device 4 is fixed to the end of the transmission mechanism 2; its structure includes a support frame, the upper surface of the support frame is provided with a supporting plate 8, one end of the supporting plate 8 is provided with a V-shaped opening groove, and the other end is provided with a cam 12. Three cylinders 9 are also provided on the support frame, and the three cylinders 9 are evenly distributed on the semicircle of the open end of the V-shaped opening groove of the supporting plate 8, and a walnut can be placed between the V-shaped opening groove. A motor-controlled rocker 11 is provided on the cam 12 to rotate the cam, driving the supporting plate 8 to move and squeeze the walnut to break the shell.

[0025] As an implementation method in this embodiment, an elliptical hole is provided in the middle of the supporting plate 8, and a pin 13 connected to the support frame is provided in the elliptical hole. The supporting plate 8 moves in the elliptical hole through the pin 13 to realize walnut squeezing.

[0026] As an implementation method in this embodiment, the cutting mechanism 3 is provided in multiple pieces and is evenly distributed in the grooves on both sides of the inner wall of the U-shaped frame 5. The cutting mechanism 3 is a circular cutting blade.

[0027] As an implementation method in this embodiment, a pin 14 is provided on the supporting plate 8 near the cam 12 side, and a spring 15 is connected between the pin 14 and the motor-controlled rocker 11 for tightening the cam 12 and the supporting plate 8. When the motor-controlled rocker is opened to rotate the cam 12 and the supporting plate 8, the spring 15 is tightened to control the extrusion force to avoid the large extrusion force caused by excessive rotation angle, thereby destroying the integrity of the walnut kernel. The support frame is also provided with two cylinders, which are respectively arranged on both sides of the supporting plate 8 near the cam 12 end, for fixing the edges of the two devices to form rotational extrusion to avoid excessive dislocation and provide a certain rotation angle correction.

[0028] As an implementation method in this embodiment, a blocking plate 10 is provided between the end of the transmission mechanism 2 and the extrusion device 4 to prevent the walnut kernel from being damaged due to the walnut rolling freely to other parts after being cut.

[0029] As an implementation method in this embodiment, the structure of the top cover 6 is a trapezoidal structure with the bottom facing upward and being hollow.

[0030] The working process of this utility model:

[0031] When the device is in use, the mechanical claw 1 grabs the walnut and moves forward along the slide rail 7 of the transmission mechanism 2. The walnut is transmitted through the transmission device 2 and passed through several cutting wheels. After the walnut is cut along the transverse normal of the walnut, the mechanical claw reaches the blocking plate 10 and puts down the walnut. The walnut is manually placed in the area between the three cylinders 9 and the V-shaped opening groove, and then the rocker 11 is controlled by the motor to drive the supporting plate 8 to move, so that the walnut is eccentrically squeezed to complete the force to achieve the effect of cracking the walnut shell.

[0032] The entire process of the walnut picking, cutting, shelling, and kernel extraction is automated, reducing manual intervention and improving production efficiency and operational consistency. Furthermore, by optimizing parameters at each stage, such as cutting depth and squeezing force, the success rate of shelling and kernel extraction, as well as the quality of the walnut kernels, is further improved.

[0033] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. An eccentric extrusion type walnut shelling and kernel extraction device with a conveying and cutting structure, characterized in that: It comprises a mechanical claw (1), a transmission mechanism (2), a cutting mechanism (3) and an extrusion device (4); The transmission mechanism (2) includes a strip-shaped U-shaped frame (5), the upper cover of the strip-shaped U-shaped frame (5) is provided with a top cover (6), the top inner wall of the top cover (6) is provided with a strip-shaped slide rail (7), and a mechanical claw (1) is slidably provided on the slide rail (7), the cutting mechanism (3) is provided on both sides of the inner wall of the U-shaped frame (5), and the extrusion device (4) is fixedly provided at the end of the transmission mechanism (2); The extrusion device (4) includes a support frame, and a support plate (8) is provided on the upper surface of the support frame. One end of the support plate (8) is provided with a V-shaped opening groove, and the other end is provided in contact with the cam (12). The cam (12) is provided with a motor-controlled rocker (11) to rotate the cam, thereby driving the support plate (8) to move and squeeze the walnut. The support frame is also provided with three cylinders (9), which are evenly distributed on the semicircle of the open end of the V-shaped opening groove of the support plate (8), and a walnut can be placed between the three cylinders and the V-shaped opening groove.

2. The eccentric squeezing walnut shelling and kernel extraction device with a conveying and cutting structure according to claim 1 is characterized in that: An elliptical hole is provided in the middle of the supporting plate (8), and a pin (13) connected to the support frame is provided in the elliptical hole. The supporting plate (8) moves in the elliptical hole via the pin (13).

3. The eccentric squeezing walnut shelling and kernel extraction device with a conveying and cutting structure according to claim 1 or 2, characterized in that: The cutting mechanisms (3) are provided in a plurality and are evenly distributed in the grooves on both sides of the inner wall of the U-shaped frame (5). The cutting mechanisms (3) are circular cutting blades.

4. The eccentric extrusion type walnut shelling and kernel extraction device with a conveying and cutting structure according to claim 3 is characterized in that: A pin (14) is provided on the supporting plate (8) near the cam (12) side, and a spring (15) is connected between the pin (14) and the motor control rocker (11).

5. The eccentric squeezing walnut shelling and kernel extraction device with a conveying and cutting structure according to claim 4 is characterized in that: A blocking plate (10) is provided between the end of the transmission mechanism (2) and the extrusion device (4).

6. The eccentric squeezing walnut shelling and kernel extraction device with a conveying and cutting structure according to claim 5 is characterized in that: The structure of the top cover (6) is a trapezoidal structure with the bottom facing upward and being hollow.

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