Manual sunflower seed extrusion device

Abstract

The invention discloses a manual sunflower seed extrusion device and device. The manual sunflower seed extrusion device comprises a base body, a first extrusion part and a second extrusion part. The first extrusion part and the second extrusion part are rotationally connected with the base body. A first concave corner is arranged on the peripheral surface of the first extrusion part, and comprises a first bearing surface and a first limiting surface which are intersected; a second concave corner is arranged on the peripheral face of the second extrusion part and comprises a second bearing face and a second limiting face which intersect with each other. The first extrusion part and the second extrusion part are configured to rotate from respective initial positions to respective target positions, the first concave corner and the second concave corner are close to each other in the rotating process, and in the initial positions, the first bearing surface and the second bearing surface are used for bearing horizontal sunflower seeds; in the process of rotating to the target position, the junction of the first bearing surface and the first limiting surface limits and extrudes one tail end of the sunflower seed, and the junction of the second bearing surface and the second limiting surface is used for limiting and extruding the other tail end of the sunflower seed.

Description

Technical Field

[0001] The present invention belongs to the technical field of household sunflower seed shelling, and in particular relates to a manual sunflower seed squeezing device. Background Art

[0002] However, the lengths of sunflower seeds vary greatly. For example, the length of some sunflower seeds ranges from 21 mm to 27 mm. In order to be able to squeeze and shell sunflower seeds of different lengths from both ends, the squeezing part of the shelling machine should have a sufficiently large squeezing stroke.

[0003] Most known sunflower seed shelling devices are pliers, where the user holds and applies force to the pliers handles, and the pliers mouth squeezes the seeds to crack the shells. The pliers mouth of such shelling devices is short (in order to have a smaller resistance arm), and the opening and closing angle is limited (a large opening and closing angle will result in the handle part opening too large to be held by one hand), so the opening and closing stroke of the pliers mouth is very limited, and it is not suitable for squeezing and cracking the shells from both ends of the sunflower seeds. Summary of the invention

[0004] The present disclosure aims to provide a manual sunflower seed squeezing device so as to improve the convenience of squeezing and opening the shells of sunflower seeds in the length direction.

[0005] In a first aspect, a manual sunflower seed squeezing device is provided, comprising a base, a squeezing mechanism and a pressing rod. The base comprises a receiving portion and a handle portion, the receiving portion extends in a first direction, and the handle portion extends along a second direction at one end of the receiving portion; the squeezing mechanism is arranged in the receiving portion, and the squeezing mechanism comprises a rotatable first squeezing member and a second squeezing member, and the first squeezing member and the second squeezing member are used for squeezing two ends in a length direction; the pressing rod is movably connected to the base, and the pressing rod extends along the second direction at the other end of the receiving portion, and the pressing rod is configured to be able to approach the handle portion to drive the squeezing mechanism.

[0006] In a possible implementation, the pressure rod is configured to be transmission-connected to the second extrusion member, and the second extrusion member is configured to be transmission-connected to the first extrusion member.

[0007] In combination with the above possible implementations, in another possible implementation, the pressure rod is hingedly connected to the base, the portion of the pressure rod located on the first side of the hinge axis is used for transmission connection with the second extrusion member, and the portion of the pressure rod located on the second side of the hinge axis is used for receiving external force.

[0008] In combination with the above possible implementations, in another possible implementation, the portion of the pressure rod located on the first side of the hinge shaft is a gear, and the first extrusion member and the second extrusion member are engaged with each other through gear transmission.

[0009] In combination with the above possible implementation manner, in another possible implementation manner, the pressure rod is configured to be rotationally connected or movably connected to the base body and can drive the extrusion mechanism when rotating or moving.

[0010] In combination with the above possible implementation manner, in another possible implementation manner, the inlet of the extrusion mechanism faces the opposite direction of the second direction.

[0011] In combination with the above possible implementation manner, in another possible implementation manner, the inlet of the extrusion mechanism is located on a side of the accommodating portion opposite to the second direction.

[0012] In combination with the above possible implementation methods, in another possible implementation method, the first extrusion member is rotatably connected to the base, and the outer peripheral surface of the first extrusion member is provided with a first concave corner, and the first concave corner includes an intersecting first supporting surface and a first limiting surface; the second extrusion member is rotatably connected to the base, and the outer peripheral surface of the second extrusion member is provided with a second concave corner, and the second concave corner includes an intersecting second supporting surface and a second limiting surface; the first extrusion member and the second extrusion member are configured to be able to rotate from their respective initial positions to their respective target positions and the first concave corner and the second concave corner approach each other during the rotation process, in the starting position, the first supporting surface and the second supporting surface are used to support the lying position, and in the process of rotating to the target position, the junction of the first supporting surface and the first limiting surface limits and squeezes one end and the junction of the second supporting surface and the second limiting surface is used to limit and squeeze the other end.

[0013] In combination with the above possible implementation manner, in another possible implementation manner, during the process in which the first extrusion member and the second extrusion member are rotated to the target position, the first supporting surface and the second supporting surface are in the shape of a V-shaped groove.

[0014] In combination with the above possible implementation methods, in another possible implementation method, in the initial position, the distance between the junction of the first supporting surface and the first limiting surface of the first extrusion member and the junction of the second supporting surface and the second limiting surface of the second extrusion member is greater than the distance between the rotation center of the first extrusion member and the rotation center of the second extrusion member.

[0015] In combination with the above possible implementations, in another possible implementation, the distance between the rotation centers of the first extrusion member and the second extrusion member is between 25 mm and 30 mm.

[0016] In combination with the above possible implementations, in another possible implementation, the first supporting surface and / or the second supporting surface is provided with a side structure for limiting position in the width direction.

[0017] In combination with the foregoing possible implementation manner, in another possible implementation manner, the first limiting surface and / or the second limiting surface is a concave surface.

[0018] In combination with the above possible implementation manner, in another possible implementation manner, the angle between the rotation center of the first extrusion member and the rotation center of the second extrusion member and the horizontal plane is less than 90 degrees.

[0019] In combination with the above possible implementations, in another possible implementation, in an initial position, the first supporting surface is located above the rotation center of the first extrusion member, and / or the second supporting surface is located above the rotation center of the second extrusion member.

[0020] In combination with the above possible implementation methods, in another possible implementation method, the surface of the first extrusion member setting the first concave corner is a rotation surface centered on the rotation center of the first extrusion member, and in the initial position, the first limiting surface is located on the outside of the longitudinal section of the first extrusion member that is perpendicular to the plane defined by the rotation center of the first extrusion member and the rotation center of the second extrusion member, and / or the surface of the second extrusion member setting the second concave corner is a rotation surface centered on the rotation center of the second extrusion member, and in the initial position, the second limiting surface is located on the outside of the longitudinal section of the second extrusion member that is perpendicular to the rotation center of the first extrusion member and the rotation center of the second extrusion member.

[0021] The manual sunflower seed squeezing device provided by the present disclosure has a squeezing mechanism disposed on a base body, and the squeezing mechanism is driven to move by a pressure rod movably disposed on the base body. The pressure rod can have a large movable stroke with the base body, and thus can also drive the squeezing mechanism to have a large movable stroke, so that the two ends of the sunflower seeds can be squeezed and shelled. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments of the present disclosure will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a schematic diagram of a manual sunflower seed squeezing device provided according to an embodiment of the present disclosure.

[0024] Figure 2 for Figure 1 A schematic diagram of the manual sunflower seed squeezing device from another angle is shown in FIG.

[0025] Figure 3 for Figure 1 Schematic diagram of the internal structure of the manual sunflower seed squeezing device.

[0026] Figure 4 for Figure 1 Schematic diagram of the cross section of the manual sunflower seed squeezing device.

[0027] Figure 5 for Figure 4 A partial enlarged view of the manual sunflower seed squeezing device in FIG. 1 .

[0028] Figure 6 for Figure 5 A structural schematic diagram of the first extrusion member and the second extrusion member when they are rotated by a first angle.

[0029] Figure 7 for Figure 6 A structural schematic diagram of the first extrusion member and the second extrusion member when they are rotated by a second angle.

[0030] Figure 8 for Figure 1 Schematic diagram of the structure of the manual sunflower seed squeezing device behind the hidden base. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution in the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0032] The features and exemplary embodiments of various aspects of the present disclosure will be described in detail below. In the detailed description below, many specific details are proposed in order to provide a comprehensive understanding of the present disclosure. However, it is obvious to those skilled in the art that the present disclosure can be implemented without the need for some of these specific details. The following description of the embodiments is only to provide a better understanding of the present disclosure by illustrating the examples of the present disclosure. The present disclosure is by no means limited to any specific structure and configuration proposed below, but covers any modification, replacement and improvement of parts, components and connection modes without departing from the spirit of the present disclosure. In the accompanying drawings and the following description, known structures and technologies are not shown in order to avoid unnecessary ambiguity in the present disclosure.

[0033] Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.In the following description, numerous specific details are provided to give a full understanding of the embodiments of the present disclosure.

[0034] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0035] refer to Figures 1 to 8 . Figure 1 It is a schematic diagram of a manual sunflower seed squeezing device provided according to an embodiment of the present disclosure. Figure 2 for Figure 1 A schematic diagram of the manual sunflower seed squeezing device from another angle is shown in FIG. Figure 3 for Figure 1 Schematic diagram of the internal structure of the manual sunflower seed squeezing device. Figure 4 for Figure 1 Schematic diagram of the cross section of the manual sunflower seed squeezing device. Figure 5 for Figure 4 A partial enlarged view of the manual sunflower seed squeezing device in FIG. 1 . Figure 6 for Figure 5 A structural schematic diagram of the first extrusion member and the second extrusion member when they are rotated by a first angle. Figure 7 for Figure 6 A structural schematic diagram of the first extrusion member and the second extrusion member when they are rotated by a second angle. Figure 8 for Figure 1 Schematic diagram of the structure of the manual sunflower seed squeezing device behind the hidden base.

[0036] The manual sunflower seed squeezing device includes a base 300, a squeezing mechanism and a pressing rod 500. The base 300 includes a receiving portion 310 and a handle portion 320. The receiving portion 310 extends in a first direction (left-right direction in the figure), and the handle portion 320 is disposed at one end of the receiving portion 310 ( Figure 1 left side) along the second direction ( Figure 1 The pressing mechanism is arranged in the receiving portion 310, and the pressing mechanism includes a rotatable first pressing member 100 and a rotatable second pressing member 200, and the first pressing member 100 and the second pressing member 200 are used to press the two ends of the sunflower seeds in the length direction. The first pressing member 100 is located on the left side of the receiving portion 310, above the handle portion 320. The second pressing member 200 is located on the right side of the receiving portion 310. The pressing rod 500 is movably connected to the base 300, and is hinged in this embodiment. The pressing rod 500 is at the other end ( Figure 1 middle right) along the second direction ( Figure 1 The pressing rod 500 is arranged to be able to approach the handle portion 320 to drive the pressing mechanism. The pressing rod 500 is located below the second pressing member 200.

[0037] The pressure rod 500 is configured to be transmission-connected with the second extrusion member 200, and in this embodiment, it is connected by gear transmission. The second extrusion member 200 is configured to be transmission-connected with the first extrusion member 100, and in this embodiment, it is connected by gear. The portion 510 of the pressure rod 500 located on the first side of the hinge shaft is used for transmission connection with the second extrusion member 200, and the portion 520 of the pressure rod 500 located on the second side of the hinge shaft is used to receive external force, that is, the grip force applied by the user's hand. The portion 510 of the pressure rod 500 located on the first side of the hinge shaft is a sector-shaped tooth body. In some optional embodiments, the pressure rod 500 and the second extrusion member 200 can also be transmitted in other ways, such as being connected by a connecting rod, with both ends of the connecting rod hinged to the pressure rod 500 and the second extrusion member 200, and the pressure rod 500 drives the second extrusion member to rotate by driving the connecting rod; or, a portion 510 of the pressure rod 500 located on the first side of the hinge axis is provided with a slide groove, and a pin is provided on the second extrusion member 200, and the pin is parallel to the rotation center line of the second extrusion member 200, and the pin can slide in the slide groove of the pressure rod 500, and the pressure rod 500 can drive the pin to push the second extrusion member to rotate; the slide groove and the pin can also be connected by a connecting rod, one end of the connecting rod is hinged to the pin, and the other end is slidably set in the slide groove through another pin.

[0038] In some optional embodiments, the pressure rod 500 and the second extrusion member 200 may also be connected to each other via a gear rack mechanism. The pressure rod 500 is configured to be movably connected to the base 300 and can drive the second extrusion member 200 to rotate via a gear rack when moving.

[0039] The pressure rod 500 is movably connected to the base 300, and the first extrusion member 100 and the second extrusion member 200 are also movably connected to the base. The pressure rod 500 can drive the first extrusion member 100 or the second extrusion member 200 to move with greater flexibility. The stroke ratio of the pressure rod 500 to the stroke of the first extrusion member 100 or the second extrusion member 200 can be set as needed. Compared with the pliers-type extrusion instrument, the pressure rod 500 can have a smaller size and a larger rotation angle to drive the first extrusion member 100 or the second extrusion member 200. Therefore, it does not need to be opened to the extent that it is difficult to hold with one hand like a pliers handle to achieve a larger extrusion stroke.

[0040] In addition, the applicant has found that there are challenges in squeezing sunflower seeds to open the shells from the length direction of the sunflower seeds. In the process of squeezing the sunflower seeds after the squeezing component approaches the end of the sunflower seeds and contacts the end of the sunflower seeds, the sunflower seeds should not leave the position they should remain in due to the movement and squeezing of the squeezing component. However, the length of sunflower seeds varies greatly. For example, the length of a certain variety of sunflower seeds is between 21mm and 27mm, so a larger space should be preset to accommodate longer sunflower seeds. For shorter sunflower seeds, they may have greater freedom of movement in a larger space. In addition, because the length of the sunflower seeds is much greater than its width, contacting the sunflower seeds from both ends of the sunflower seeds is more likely to cause unexpected deflection of the sunflower seeds. In addition, the larger squeezing stroke (from the squeezing mechanism moving from the initial position to contacting the sunflower seeds or squeezing the sunflower seeds open) may cause the length direction of the sunflower seeds to deflect from the squeezing direction and the squeezing failure. Therefore, whether the sunflower seeds can be kept in the preset position during the squeezing process is a challenge. The device provided by the present disclosure can effectively position the sunflower seeds by squeezing the two ends of the sunflower seeds through the concave corners on the squeezing member.

[0041] The middle part of the first extrusion piece 100 is the main body, and gears 120 are connected in series on both sides of the main body. The two extrusion pieces are driven by gear meshing and rotate in opposite directions. The gear 120 is an incomplete gear, and teeth are only provided on a quarter of the circumference, so that the overall size of the extrusion piece can be reduced. The main body is provided with a rotating shaft. The first concave corner 110 is provided on the outer circumference of the first extrusion piece 100. The outer circumference is a rotation surface centered on the rotation axis of the main body. The first concave corner 110 is a depression on the rotation surface of the main body. In other words, the first concave corner 110 is a depression formed by removing a certain shape of material from the circumferential surface of the main body and concave toward the center of the main body. The inner surface of the depression is used to position and squeeze the sunflower seeds s. Specifically, from the cross section (a cross section perpendicular to the center line of the main body), the depression includes two intersecting surfaces, namely a first supporting surface 111 and a first limiting surface 112, wherein the first supporting surface 111 is a groove surface of a V-shaped groove. In this embodiment, the first supporting surface 111 and the first limiting surface 112 are perpendicular. The first limiting surface 112 is a plane and is offset by 2 mm relative to the rotation center, that is, the distance between the first limiting surface 112 and the longitudinal plane passing through the center line of the main body and perpendicular to the first supporting surface 111 is 2 mm.

[0042] The second extrusion member 200 has a substantially similar structure to the first extrusion member 100, except that the gear 220 is distributed over a wider range on the circumference because a portion of the gears are used to mesh with the pressure rod 500. The second recessed portion 210 of the second extrusion member 200 is substantially disposed face to face with the first recessed portion 110 of the first extrusion member 100.

[0043] Figure 4The first extrusion member 100 and the second extrusion member 200 are in the initial position. The rotation centers of the two extrusion members are arranged horizontally and at the same height, and the plane defined by the two rotation center lines is parallel to the horizontal plane. The tangent position of the two extrusion members is inside, that is, the position of the symmetry plane (not shown in the virtual plane view) is inside. The first supporting surface 111 of the first concave corner 110 in the first extrusion member 100 is parallel to the horizontal plane, and the first limiting surface 112 is perpendicular to the horizontal plane. This is the initial position of the first extrusion member 100, and its position after rotating 90 degrees clockwise is the target position. Since the two extrusion members are gear meshing, when the first extrusion member 100 rotates 90 degrees clockwise, the second extrusion member 200 can synchronously rotate 90 degrees counterclockwise to reach its target position. In the initial position, the two concave corners of the two extrusion members are both located above the rotation axis, and the two together form a accommodating space 400. The first supporting surface 111 of the first extrusion portion 110 is parallel to the horizontal plane, and the first limiting surface 112 is perpendicular to the horizontal plane. The second supporting surface 211 of the second concave corner 210 of the second extrusion member 200 is parallel to the horizontal plane, and the second limiting surface 212 is perpendicular to the horizontal plane. The distance between the second limiting surface 212 and the first limiting surface 112 is 30 mm. The accommodating space 400 includes the first limiting surface 112, the second limiting surface 212, the first supporting surface 111, the second supporting surface 211 and the space therebetween. The first supporting surface 111 and the second supporting surface 211 together constitute the bottom surface of the accommodating space 400. The opening of the accommodating space 400 faces upward, that is, toward the first direction, and it can receive sunflower seeds s placed manually / mechanically from the outside or introduced by the slide. The two inclined surfaces at the bottom of the V-shaped groove in the first supporting surface 111 are lateral structures, and can also limit and automatically adjust the sunflower seeds s in the width direction, so that the two ends of the sunflower seeds s are basically facing the two end surfaces (the first limiting surface and the second limiting surface) of the accommodating space 400, and can also prevent the sunflower seeds s from falling from the side of the accommodating space 400. The inclined surfaces 2111 and 2112 at the bottom of the V-shaped groove in the second supporting surface 211 also have the same function. The first limiting surface 112 and the second limiting surface 212 are parallel and the distance between them is 30mm, which is enough to accommodate most of the lengths of sunflower seeds s. The first limiting surface 112 and the second limiting surface 212 are used to limit the length of the accommodating space 400, or to limit the sunflower seeds in the length direction of the sunflower seeds.

[0044] In this embodiment, the distance between the rotation center of the first extrusion member 100 and the rotation center of the second extrusion member 200 is 26 mm, which is smaller than the distance 30 mm between the first junction 113 and the second junction 213 in the initial position. The distance between the first junction 113 and the second junction 213 refers to the length of the bottom of the accommodating space 400 for supporting the sunflower seeds s. Thus, in the initial position, the first limiting surface 112 is located outside the plane P1 ( Figure 5The first junction 113 is located above and outside the rotation center of the first extrusion 100. When the first extrusion 100 starts to rotate, the first junction 113 rotates from the left side of plane P1 to the right side of plane P1. Its displacement in the direction of the line connecting the rotation centers of the two extrusions is greater than its displacement in the direction perpendicular to the line connecting the rotation centers, which can make the first junction 113 abut against the end of the sunflower seed s earlier. Equivalent to the situation where the first junction 113 is located on the right side of plane P1, the rotation of the first half of the first extrusion 100 will bring about a greater displacement of the first junction 113 in the direction of the line connecting the rotation centers of the two extrusions. The setting of the second junction 213 in the second extrusion 200 also enables it to have the above-mentioned effect. Plane P1 is a longitudinal section passing through the rotation center line of the first extrusion, and in the initial position, the longitudinal section is perpendicular to the plane defined by the rotation center line of the first extrusion and the rotation center line of the second extrusion.

[0045] The inlet of the squeezing mechanism formed by the above structure is located on the side of the accommodating portion 310 opposite to the second direction, that is, the first direction (upper side in the figure), which is convenient for manual placement of sunflower seeds.

[0046] In the above embodiment, the outer diameter of the two main bodies is 26 mm, and the rotation center distance of the two main bodies is 26 mm, so the distance between the closest parts of the two rotating surfaces is 0 mm. In some optional embodiments, the distance between the closest parts of the two rotating surfaces can be greater than 0 mm by increasing the distance or reducing the diameter of the main body, and can be an integer or decimal value between 1 mm and 5 mm. The larger the distance, the more conducive it is for the squeezed peel and kernel to fall at the target position.

[0047] During the rotation of the first extrusion member 100 and the second extrusion member 200, the angle between the first supporting surface 111 and the second supporting surface 211 gradually decreases (from 180 degrees to less than 180 degrees). The concave corners of the two extrusion members will gradually approach each other, and the accommodating space will be deformed. At the beginning, the two supporting surfaces continue to support the sunflower seeds s together, and the limiting surfaces of the two extrusion members and the intersections between the limiting surfaces and the supporting surfaces will gradually approach each other. After further rotation, the intersection 113 of the first limiting surface 112 and the first supporting surface 111 abuts against one end of the sunflower seeds s, and the intersection 213 of the second limiting surface 212 and the second supporting surface 211 abuts against the other end of the sunflower seeds s. At this time, the parts of the first supporting surface 111 and the first limiting surface 112 respectively located at the intersection 113 will limit the ends of the sunflower seeds s in two directions to prevent the sunflower seeds s from bouncing up or down. The second supporting surface 211 and the second limiting surface 212 are respectively located at the part of the junction 213, which will limit the other end of the sunflower seed s in two directions to prevent the sunflower seed s from bouncing upward or downward. The two extrusion members rotate further, and the distance between the junction 113 and the junction 213 is less than the length of the sunflower seed s, and the shell of the sunflower seed s is crushed. The length of the sunflower seed s kernel is quite different from the length of the sunflower seed s (according to statistics, the kernel length of a certain sunflower seed (such as the sunflower seeds of Qia Qia Food Co., Ltd.) is mostly between 13mm and 16mm, and the length of the sunflower seed is between 21mm and 27mm). This method of opening the shell at both ends can complete the opening of most of the sunflower seeds s as long as the minimum length of the accommodating space during the rotation of the extrusion member is greater than 16mm and less than 21mm. In the present disclosure, the value of the distance between the rotation centers of the first extrusion member and the second extrusion member minus the distance between the first supporting surface and the rotation center line of the first extrusion member and the distance between the second supporting surface and the rotation center line of the second extrusion member is greater than or equal to 13mm. This allows the first support surface to be roughly parallel to the second support surface (such as Figure 7 The distance between the first extrusion member and the second extrusion member is greater than or equal to 13 mm. The dimensions in the above embodiments are only examples and are not intended to limit the invention of the present disclosure.

[0048] In addition, when the first extrusion member 100 and the second extrusion member 200 are rotated to the target position, the first supporting surface 111 and the second supporting surface 211 will form a V-shaped angle, which is equivalent to forming a space below the sunflower seeds s. This can accommodate the deformed / broken peels of the sunflower seeds s during the extrusion process and the kernels that pop out afterwards, reduce the possibility of the above objects popping out from above the accommodating space 400, and prevent the first supporting surface 111 and the second supporting surface 211 from hindering the deformation and rupture of the peel.

[0049] like Figure 7 As shown, during the process of the two extrusion members continuing to rotate to the target position, the first supporting surface 111 and the second supporting surface 211 are turned downward, and the broken shells and kernels can fall from below.

[0050] At the target position, the value of the distance between the rotation centers of the first extrusion member 100 and the second extrusion member 200 minus the distance between the first supporting surface 111 and the rotation center of the first extrusion member 100 and minus the distance between the second supporting surface 211 and the rotation center of the second extrusion member 200 is greater than or equal to 13 mm. That is, after extrusion is completed, the width of the outlet structure formed by the two concave corners is greater than or equal to 13 mm.

[0051] In the above structure, the structures for supporting and positioning the sunflower seeds s and squeezing the sunflower seeds s are both concave corners, which can realize the functions of supporting the sunflower seeds s, limiting the sunflower seeds s, squeezing the sunflower seeds s from both ends in the length direction and automatically dropping the seeds, and the structure is simple.

[0052] In the initial position, the shape of the accommodating space 400 is not limited to the shape shown in the figure. The accommodating space formed when the position of the extrusion member is slightly changed from the position shown in the figure can also accommodate the sunflower seeds s. For example, the bottom surface of the accommodating space can also be slightly convex or concave, and the upward opening angle defined by the first limiting surface and the second limiting surface can also be larger or smaller.

[0053] In some optional embodiments, the angle between the first limiting surface 112 and the first supporting surface 111 can also be greater than 90 degrees or less than 90 degrees, such as 100 degrees or 80 degrees. In some optional embodiments, the first limiting surface 112 and the second limiting surface 212 can also be concave, or be provided with anti-slip protrusions.

[0054] In industrial machinery for processing food seeds or fruits in large quantities, it is a common process to use two extrusions (such as a pair of rollers) to process materials. The general processing process is to send the material from the feeding side to between the two extrusions, and the extrusions rotate in opposite directions to bite the material for processing. Of course, corresponding working structures need to be set on the extrusions to handle the bitten materials. Usually, the surfaces of the two extrusions facing each other on the feeding side form a tapered area (the cross section is a trumpet shape with a large outside and a small inside). When the material enters the area, it contacts the surface of the area or the working structure on the surface, and is clamped or bitten by the rotating extrusion.

[0055] In general, in order for the material to be smoothly bitten, the inlet size of the tapered area should be larger than the size of the material being processed. That is, from the cross-section, the maximum width of the inlet size of the tapered area is the plane perpendicular to the line connecting the rotation centers and passing through the two rotation centers respectively ( Figure 5The distance between the middle plane P1 and the plane P2 should be greater than the size of the processed material. This requires that the two extrusions should have a larger diameter and / or spacing so that the tapered area has a sufficiently large inlet size (if the diameter or spacing is too small, the material will first contact the inlet edge of the tapered area, and the tangent direction of the surface here is almost perpendicular to the feeding direction, which is not conducive to material feeding).

[0056] The extrusion member disclosed in the present invention is concave to a large extent, so that in the initial position, the length of the bottom surface of the accommodation space formed by the two concave surfaces is greater than the rotation center distance of the two extrusion members, and at least one limiting surface outwardly exceeds the plane perpendicular to the rotation center line and passing through the center of the extrusion member, thus providing a sufficiently large entrance. In addition, when the extrusion member rotates, the two end surfaces of the accommodation space (the first limiting surface 112 and the second limiting surface 212) will also gradually rotate toward the rotation center line, gradually facing the sunflower seeds s and gradually facing the feeding direction, which can reduce the possibility of the sunflower seeds s bursting out of the accommodation space during the extrusion process. During the rotation process, the angle formed by the bottom surface of the accommodation space and the two end surfaces gradually approaches each other and squeezes the two ends of the sunflower seeds s to make them burst.

[0057] In the above-mentioned arrangement, since the end face of the accommodation space is close to the outermost side of the extrusion piece, its height will be relatively small, that is, the accommodation space will be relatively "shallow", which is not conducive to the sunflower seeds s falling into the accommodation space stably, and the sunflower seeds s are more likely to fall off from the end of the accommodation space. Therefore, the extrusion piece is set to be more concave, so that in the initial position, in the direction perpendicular to the line connecting the rotation centers, the bottom surface of the accommodation space formed by the depression is also closer to the rotation center (the accommodation space is "deeper"), so as to increase the height of the end face. Another advantage brought about by this is that during the rotation process, the corresponding surfaces of the depression constituting the bottom surface of the accommodation space will gradually change from being coplanar to facing each other. The closer the bottom surface is to the respective rotation centers, the greater the distance and space between the two, which facilitates the smooth falling of the kernel and peel after breaking the shell, and can also reduce the situation where the peel and kernel are squeezed against each other due to the small distance and space between the two, causing the kernel to be damaged.

[0058] In some optional embodiments, the extrusion member can also be arranged in a manner that the rotation center is tilted or vertical, that is, the angle between the rotation center and the horizontal plane is between 0 and 90 degrees, preferably less than 90 degrees. When the rotation center is tilted or vertical, a side baffle is provided on the side with a lower concave corner. When the rotation center is tilted, the side baffle and the supporting surface jointly support the sunflower seeds s, and the sunflower seeds s can still be kept in the accommodating space due to gravity and the static friction of the side baffle and rotate with the extrusion member. When the rotation center is vertical, the side baffle mainly supports the sunflower seeds s, and the sunflower seeds s can move with it due to the friction of the side baffle.

[0059] In some optional embodiments, the radii of the two extrusion members may be different to a certain extent, and the two extrusion members still maintain a substantially circumscribed positional relationship.

[0060] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present disclosure, and these modifications or replacements should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A manual sunflower seed squeezing device, It is characterized in that include: A base body, the base body comprising a receiving portion and a handle portion, the receiving portion extending in a first direction, and the handle portion extending along a second direction at one end of the receiving portion; An extrusion mechanism, the extrusion mechanism is arranged at the accommodating portion, the extrusion mechanism comprises a rotatable first extrusion member and a second extrusion member, the first extrusion member and the second extrusion member are used for extruding two ends in a length direction; as well as A pressure rod is movably connected to the base, the pressure rod extends along the second direction at the other end of the accommodating portion, and the pressure rod is configured to be able to approach the handle portion to drive the squeezing mechanism.

2. The manual sunflower seed squeezing device according to claim 1, It is characterized in that The pressure rod is configured to be transmission-connected to the second extrusion member, and the second extrusion member is configured to be transmission-connected to the first extrusion member.

3. The manual sunflower seed squeezing device according to claim 2, It is characterized in that The pressure rod is hingedly connected to the base, the portion of the pressure rod located on the first side of the hinge axis is used for transmission connection with the second extrusion member, and the portion of the pressure rod located on the second side of the hinge axis is used for receiving external force.

4. The manual sunflower seed squeezing device according to claim 3, It is characterized in that The portion of the pressure rod located on the first side of the hinge shaft is a gear, and the first extrusion member and the second extrusion member are engaged with each other in a gear transmission.

5. The manual sunflower seed squeezing device according to claim 1, It is characterized in that The pressing rod is configured to be rotationally connected or movably connected to the base and can drive the pressing mechanism when rotating or moving.

6. The manual sunflower seed squeezing device according to claim 1, It is characterized in that The inlet of the extrusion mechanism faces the opposite direction of the second direction.

7. The manual sunflower seed squeezing device according to claim 1, It is characterized in that The inlet of the squeezing mechanism is located on a side of the accommodating portion opposite to the second direction.

8. The manual sunflower seed squeezing device according to claim 1, It is characterized in that The first extrusion member is rotatably connected to the base, and the outer circumferential surface of the first extrusion member is provided with a first concave corner, and the first concave corner includes a first supporting surface and a first limiting surface intersecting each other; the second extrusion member is rotatably connected to the base, and the outer circumferential surface of the second extrusion member is provided with a second concave corner, and the second concave corner includes a second supporting surface and a second limiting surface intersecting each other; wherein The first extrusion member and the second extrusion member are configured to be able to rotate from their respective initial positions to their respective target positions and during the rotation process, the first concave corner and the second concave corner approach each other. At the initial position, the first supporting surface and the second supporting surface are used to support the horizontal position. During the rotation to the target position, the junction of the first supporting surface and the first limiting surface is used to limit and squeeze one end and the junction of the second supporting surface and the second limiting surface is used to limit and squeeze the other end.

9. The manual sunflower seed squeezing device according to claim 8, It is characterized in that When the first extrusion member and the second extrusion member are rotated to the target position, the first supporting surface and the second supporting surface are in the shape of a V-shaped groove.

10. The manual sunflower seed squeezing device according to claim 8, It is characterized in that In the initial position, the distance between the junction of the first supporting surface and the first limiting surface of the first extrusion member and the junction of the second supporting surface and the second limiting surface of the second extrusion member is greater than the distance between the rotation center of the first extrusion member and the rotation center of the second extrusion member.

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