WALNUT CRACKING MACHINE WITH SYNCHRONIZED CRACKING AND DISCHARGE MECHANISM

TR202614303A2Pending Publication Date: 2026-09-21KARADENIZ TEKNIK UNIVERSITESI TEKNOLOJI TRANSFERI UYGULAMA & ARASTIRMA MERKEZI MUDURLUGU
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Patent Information

Application Number
TR202614303
Authority / Receiving Office
TR · TR
Patent Type
Applications
Current Assignee / Owner
Filing Date
2026-08-24
Publication Date
2026-09-21

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Abstract

The invention relates to a walnut cracking machine that enables the cracking of hard-shelled nuts (walnuts) with a single lever movement and the automatic transfer of the cracked nuts into a collection hopper. The machine comprises a lower body, a rotary table articulated to the lower body, an impact lever that applies impact to the walnuts, a connecting rod linking the impact lever and the rotary table, and a return spring that returns the rotary table to its starting position. By moving the impact lever downwards in a single motion, the walnuts are first cracked, and then the rotary table is opened via the connecting rod, causing the cracked walnuts to fall into the collection hopper.
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Description

1 TARIFF WALNUT CRACKING WITH SYNCHRONIZED CRACKING AND DISCHARGE MECHANISM. MACHINE TECHNICAL AREA 5 The invention involves breaking the shell of hard-shelled fruits, especially walnuts, and extracting the inner part. Used for separating (fruit kernel) from the shell; the product is collected by crushing. in which the transfer process to the container is performed synchronously with a single arm movement It is related to walnut cracking machines. PREVIOUS TECHNIQUE In the current state of the technique, for breaking the shells of hard-shelled fruits... Various setups are used. The most common of these is placing a walnut on a base. a socket or recess into which it is inserted and which is hinged to this socket and manually moved downwards A simple lever / hammer 15 consists of a lever or hammer that is moved to strike the walnut. They are mechanisms. In this type of mechanism, the user first places the walnut into the slot, then pulls the lever. or by moving the hammer by hand to crack the shell and finally taking the cracked walnut or a To transfer the contents to the collection container, the movable part at the top must also be moved manually. This situation means that the process consists of multiple independent manual steps. 20 and this leads to low efficiency. In the known state of the technique, the jaw opening is also adjusted according to the size of the walnut. Handheld clamps with screw or wedge-type adjustment mechanisms, spring trigger. devices that generate impact force through their mechanism and industrial type with cam or motor drive. Crushing machines are also known. The aforementioned spring trigger mechanisms and cam / motor 25 Driven systems can operate crushing and unloading functions to a certain extent in conjunction with each other. together, numerous moving parts, spring tensioning / trigger mechanisms or electric / motor drives Due to their requirements, they have a mechanically complex, bulky, and costly structure. Therefore, without the need for an additional trigger spring, cam assembly, or motor drive, less A simple 30-inch machine that combines crushing and emptying functions in a single lever movement with numerous moving parts. A compact and well-structured walnut cracking machine is needed. 2 THE PURPOSE OF THE INVENTION The purpose of the invention is to streamline the process of crushing and transferring the crushed product to a collection hopper. The goal is to develop a nutcracker that can be cracked with a single lever movement. Another purpose of the invention is a connecting arm positioned between the impact arm and the turntable. A 5 that mechanically synchronizes the crushing and unloading functions via a connecting rod. The goal is to provide a mechanism. Another objective of the invention is to have a small number of moving parts (turntable, connecting arm, impact lever). fully mechanical (operated by a lever and return spring), requiring no motor or electricity. The principle is to provide a nutcracker that functions correctly. Another purpose of the invention is that, thanks to the return spring, the system provides an additional 10 when the impact lever is released. Automatically ready for the next walnut without the need for manual intervention. The goal is to make him come. Another aim of the invention is to be compact thanks to its structure consisting of a small number of moving parts. The goal is to provide a portable and low-cost walnut cracking machine. LIST OF FIGURES Figure 1. The walnut cracking machine, the subject of the invention, in the walnut placement position (before cracking). schematic cross-sectional view Figure 2. The walnut cracking machine, the subject of the invention, with the impact lever fully depressed, and the cracking and breaking positions. Schematic cross-sectional view at the unloading position 20 Figure 3. General perspective view of the walnut cracking machine, which is the subject of the invention. Figure 4. Detailed view of the rotary table and connecting rod assembly. REFERENCE NUMBERS 1. Lower body 25 2. Turntable 3. Impact lever 4. Hammerhead 5. Connecting rod 6. Return spring 30 7. Collection bin 8. Protective enclosure 9. Guiding surface (funnel) 10. Blank 3 DETAILED DESCRIPTION OF THE INVENTION The system described in the invention is for cracking the shells of hard-shelled fruits, especially walnuts. and transferring the broken product to a collection bin (7) with a single lever movement It is a mechanical device that enables synchronized execution. The system basically consists of a subbody (1), connected to the subbody (1) by means of a joint 5 a rotatable turntable (2) connected in a rotatable manner, articulated to the lower body (1) The impact lever (3) is a connecting lever positioned between the impact lever (3) and the turntable (2). (connecting rod) (5) and a return spring (6) that brings the turntable (2) back to its starting position. It includes. There is a cavity (10) on the lower body (1) where the walnut is placed. Rotary 10 The table (2) is connected to the lower body (1) by hinge at one edge within this space (10). It is positioned as shown in Figure 1. The turntable (2) is in its normal (closed) position, a flat surface on which the walnut can be placed, standing at the same level as the lower stem (1) It constitutes. The impact arm (3) is articulated at one end to the lower body (1) and is free 15 There is a hammer head (4) that applies a blow by making contact with the walnut at its end. Impact lever (3), with the up (waiting) position shown in Figure 1 and the down (breaking) position shown in Figure 2. Between its positions, it moves by rotating around its point of articulation. The connecting rod (5) is positioned between the impact arm (3) and the turntable (2), As shown in detail in Figure 4, it is attached from one end to the impact arm (3) and from the other end to the rotating 20 It is connected to the table (2) with a hinged (pin connection). The connecting arm (5) is the impact arm. (3) transmitting the rotational movement to the turntable (2), the opening movement of the turntable (2) It triggers. During use, after placing the walnut on the turntable (2), the user impacts He moves his arm (3) downwards in a single motion. The downward movement of the striking arm (3) is 25 In the first part of its movement, the hammer head (4) makes contact with the walnut shell, breaking the shell. It provides. By continuing the movement of the impact arm (3), the connecting arm (5) The force transmitted to the turntable (2) rotates around the hinge point of the turntable (2) as shown in Figure 2. This causes it to open as shown. As a result of the opening of the turntable (2), it is broken. The walnut, under the influence of gravity, passes through the gap (1) in the lower trunk (10) and at the bottom 30 It falls into the collection bin (7) located there. When the impact lever (3) is released, it is positioned between the lower body (1) and the turntable (2). The return spring (6) connects both the impact arm (3) and the turntable (2) as shown in Figure 1. 4 This returns the system to its initial (off) position. Thus, the system eliminates the need for additional manual intervention. It automatically prepares for the next walnut harvest without needing to be picked. Thanks to this design, the nutcrackers can be cracked separately using traditional lever / hammer-operated nutcrackers. The steps to be performed include placement, crushing, and unloading; the crushing and unloading step is one of these. The operations are performed synchronously with a single arm movement; the user's broken 5 He doesn't need to make any additional movement to pick up or transfer the walnut. In one arrangement of the invention, the surface of the turntable (2) that comes into contact with the walnut is different This allows walnuts of various sizes to be easily placed and positioned in the nest. It can be structured in a concave or conical form to give a result. In another arrangement of the invention, the surface of the hammer head (4) that contacts the walnut, impact 10 During this process, the hollows will ensure that the walnuts remain fixed on the turntable (2) without sliding. It can be structured in an (indented) form. In another arrangement of the invention, fracture around the impact arm (3) and turntable (2). a protective housing (8) that prevents the scattering of shell particles formed during the process It can be found. 15 In the lower part of the cavity (1) in the lower body (10), broken walnuts and shell pieces a guiding surface (9) in the form of a funnel (channel) that directs to the collection chamber (7) It is located. Impact handle (3), turntable (2), connecting arm (5) and lower housing (1); metal, hard plastic They can be manufactured from durable materials, or a combination of these. 20 Thanks to this invention, it is possible to combine crushing and emptying functions in a single lever movement, in a small amount. Compact and low-cost, with few moving parts, and requiring no motor or electricity. A walnut cracking machine is obtained. The system is an alternative to traditional lever / hammer mechanisms. Compared to others, it offers ease of use and also includes a manual for collecting broken items. It offers efficient use without the need for processing. 25

Claims

REQUESTS 1. A nut used to crack the shells of hard-shelled fruits (walnuts). It is a crushing machine, its features are; - a lower body (1), 5 - connected to the lower body (1) by means of a joint and forming a flat surface on which the walnut is placed in its normal position, opening by rotating around the joint and the effect of gravity on the cracked walnut allowing it to fall into the collection hopper by passing through a gap in the lower body (1). a turntable (2), 10 - connected to the lower body (1) with a hinge and a walnut strike at the free end a hammer that applies pressure and makes contact with the walnut, causing the shell to crack. a downward movable impact lever (3) with a head (4), - positioned between the impact lever (3) and the turntable (2) and the impact a connecting rod (5) which transmits the movement of the arm (3) to the turntable (2), 15 - a return spring (6) that brings the turntable (2) back to its starting position It is characterized by its inclusion.

2. A walnut cracking machine according to Claim 1, whose feature is; to crack walnuts of different sizes. at least one of the concave and conical forms that will allow its positioning It contains a turntable (2) with a walnut contact surface structured in the form of 20 It is characteristic.

3. A walnut cracking machine according to claim 1, whose characteristic is; the surface that comes into contact with the walnut, impact in a hollow shape to ensure the walnut remains stable inside the cavity. It is characterized by having a structured hammer head (4).

4. According to claim 1, it is a walnut cracking machine, its features are; impact lever (3) and rotary table (2) 25 positioned around it, the outer shell particles formed during fracture It is characterized by containing a protective casing (8) that prevents scattering.

5. It is a walnut cracking machine according to claim 1, and its feature is that when the impact lever (3) is released, both The impact lever (3) and the turntable (2) can be operated without any manual intervention. Lower body (1) and turntable (2) 30 to bring to the starting position without requiring It is characterized by containing a return spring (6) positioned between them.

6. It is a walnut cracking machine according to claim 1, and its feature is that one end is attached to the impact lever (3), and the other end is attached to the impact lever (3). The end of the impact arm (3) is connected to the turntable (2) with a hinge (pin connection). 6 by including a connecting arm (5) which converts the movement of the turntable (2) into the opening movement. It is characteristic.

7. It is a walnut cracking machine according to claim 1, and its feature is that the gap (1) in the lower body (10) underneath, in the form of a funnel (channel) to guide the broken walnut and shell fragments. It is characterized by containing a structured collection chamber (7). 5 15 25