A residual residue prevention squeezing assembly structure of a fresh juice machine based on precise gap control

Abstract

The utility model relates to the field of domestic electric appliance manufacturing, disclose a kind of residual component structure of preventing residue of stock machine based on precision gap control, including screw rod, cutting edge, pressing plate and slag baffle rib;The cutting edge is annular, is set to screw rod front end, and is installed by screw, for cutting and advancing food material;The pressing plate is fixedly arranged in screw rod front end, opposite cutting edge, and the pressing plate is equipped with residue inlet;The slag baffle rib is arranged on the pressing plate, forms pressing plate slag baffle rib, and the pressing plate slag baffle rib cooperates with cutting edge.The utility model in the present application, by the cooperation gap H of cutting edge and pressing plate is accurately controlled at 0.05mm≤H≤0.5mm (preferably 0.1mm≤H≤0.3mm, most preferably 0.15mm or 0.25mm), and cooperate the blocking effect of pressing plate slag baffle rib, can effectively block fiber, grain and other food material residue into gap.

Description

Technical Field

[0001] This utility model relates to the field of household electrical appliance manufacturing, and in particular to a juicer anti-residue pressing component structure based on precision gap control. Background Technology

[0002] As a device that extracts juice from food through the principle of screw pressing, the structural design of its core pressing component directly affects juicing efficiency, residue residue, and ease of cleaning. Existing juicers typically improve the user experience by optimizing the material of the cutting blade, the screw speed, and the overall structure to reduce residue buildup at the cutting blade and screw root, as well as the entanglement of fibrous ingredients.

[0003] In existing juicers, the retaining ring is wrapped around the cutting blade, and the clearance between the cutting blade and the pressure plate is relatively large (usually >0.5mm). During the rotation of the cutting blade, fibrous ingredients (such as celery, carrots, etc.) are easily entangled in the clearance between the pressure plate and the cutting blade, and small residues are easily hidden in the retaining ring. After juicing, these entangled fibers and hidden residues are difficult to remove by simple rinsing and require manual cleaning with tools. This not only increases the difficulty of cleaning but may also lead to bacterial growth due to residue residue, affecting the hygiene and service life of the equipment. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a juicer anti-residue pressing component structure based on precision gap control, aiming to improve the problem of food residue and fibrous food entanglement caused by excessive gap between the cutting blade and the pressing plate in existing juicers.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a juicer anti-residue pressing component structure based on precision gap control, comprising a screw, a cutting blade, a pressure plate, and a residue-blocking rib; the cutting blade is annular, located at the front end of the screw, and installed by screws, used for cutting and pushing ingredients; the pressure plate is fixedly located at the front end of the screw, opposite to the cutting blade, and has a residue inlet; the residue-blocking rib is located on the pressure plate, forming a pressure plate residue-blocking rib, the pressure plate residue-blocking rib cooperates with the cutting blade, and an annular cooperation gap H is formed between the opposite end faces of the cutting blade and the pressure plate.

[0006] Furthermore, the radial dimension of the fitting clearance H satisfies 0.05mm≤H≤0.5mm.

[0007] Furthermore, the radial dimension of the fitting clearance H is preferably in the range of 0.1mm≤H≤0.3mm.

[0008] Furthermore, the radial dimension of the fitting clearance H is preferably 0.15 mm or 0.25 mm.

[0009] Furthermore, the end face of the cutting edge adopts an arc structure with an arc radius of 15.8mm to 16mm, and the side surface of the cutting edge is a vertical surface.

[0010] Furthermore, the end face of the pressure plate slag-blocking rib is flat, which matches the end face of the cutting edge to ensure uniform gap; the arc diameter of the pressure plate slag-blocking rib is 33mm to 33.1mm.

[0011] Furthermore, the cutting edge is made of SUS304 stainless steel with a hardness of HRC58-60; the pressure plate is made of PA66+30%gf composite material.

[0012] Furthermore, the height of the slag-blocking rib protruding from the end face of the pressure plate is 5mm.

[0013] Furthermore, the end face clearance between the cutting edge and the slag-blocking rib of the pressure plate is 0.8mm to 1.2mm.

[0014] This utility model has the following beneficial effects:

[0015] 1. In this utility model, by precisely controlling the gap H between the cutting edge and the pressure plate to 0.05mm≤H≤0.5mm (preferably 0.1mm≤H≤0.3mm, most preferably 0.15mm or 0.25mm), and in conjunction with the blocking effect of the pressure plate's slag-blocking ribs, it can effectively prevent food residues such as fibers and seeds from entering the gap. Actual test data shows that the amount of residue is reduced by more than 90% compared to the traditional structure, solving the problem of residue jamming caused by gaps > 0.5mm in the prior art.

[0016] 2. In this utility model, the small and uniform gap design, combined with the low surface energy characteristics of the PA66+30%gf composite material used in the pressure plate, allows the water flow to easily wash away the small amount of juice film or soft seeds remaining in the gap after juicing, without the need for brushing tools, thus completely improving the problem of residue entanglement and difficulty in cleaning in traditional structures. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of a juicer anti-residue pressing component based on precision gap control proposed in this utility model;

[0018] Figure 2 This is a schematic cross-sectional view of the main body of a juicer anti-residue pressing component structure based on precision gap control proposed in this utility model;

[0019] Figure 3 This is a schematic diagram of the residue-blocking rib structure of a juicer anti-residue pressing component based on precision gap control proposed in this utility model;

[0020] Figure 4This is a schematic diagram of the pressure plate retaining rib structure of a juicer anti-residue pressing component based on precision gap control, as proposed in this utility model.

[0021] Figure 5 This is a schematic diagram of the pressure plate structure of a juicer anti-residue pressing component structure based on precision gap control proposed in this utility model.

[0022] Legend:

[0023] 101. Screw; 102. Cutting edge; 103. Slag-blocking rib; 104. Slag-blocking rib of pressure plate; 105. Screw; 106. Pressure plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Reference Figure 1-5 This utility model provides an embodiment of a juicer anti-residue pressing component structure based on precision gap control, including a screw 105, a cutting blade 102, a pressure plate 106, and a residue-blocking rib 103; the cutting blade 102 is annular and is located at the front end of the screw 105, and is installed by a screw 101, used for cutting and pushing food; the pressure plate 106 is fixedly located at the front end of the screw 105, opposite to the cutting blade 102, and has a residue inlet on the pressure plate 106; the residue-blocking rib 103 is located on the pressure plate 106, forming a pressure plate residue-blocking rib 104, which cooperates with the cutting blade 102, and an annular cooperation gap H is formed between the opposite end faces of the cutting blade 102 and the pressure plate 106;

[0026] Specifically, the screw propeller includes a screw 105 as the active rotating component of the entire device, and the annular cutting edge 102 at its front end plays a crucial role in its operation. When the screw propeller rotates, the annular cutting edge 102 efficiently cuts and crushes the input ingredients. Simultaneously, thanks to the unique design of the screw structure, the ingredients are steadily propelled towards the pressure plate 106, providing strong power for the subsequent pressing and juicing process and completing the pre-treatment of the ingredients. The pressure plate 106 is fixedly mounted at the front end of the screw propeller, forming a relative position with the cutting edge 102, and its specially designed inlet is specifically used to guide the crushed ingredients smoothly into the pressing area.

[0027] On the pressing plate 106, a carefully designed baffle rib 103 forms a baffle rib 104. This structure protrudes from the end face of the pressing plate 106, with its height precisely controlled at 5mm, and its arc diameter strictly limited to between 33mm and 33.1mm. This design allows the baffle rib 104 and the cutting edge 102 to form a wrapping fit, effectively preventing fibers and residues from diffusing into the gaps and ensuring the smooth progress of the pressing process. The opposite end faces of the cutting edge 102 and the pressing plate 106 together form an annular fit gap H. The size of this gap is precisely controlled and is key to achieving the core function. The radial dimension of the gap H is strictly controlled between 0.05mm and 0.5mm, with an optimal range of 0.1mm to 0.3mm, especially 0.15mm or 0.25mm. This tiny gap design effectively blocks most of the fiber, grain, and other residues from entering, avoiding the residue jamming and entanglement problems caused by gaps greater than 0.5mm in traditional technologies.

[0028] In the circumferential direction, the gap deviation is strictly controlled within ±0.02mm. High-precision CNC machining technology ensures the uniformity of the gap, thereby avoiding the risk of residue residue caused by excessive local gaps. The end face of the cutting edge 102 adopts an arc design with a radius of 15.8mm to 16mm, while its side is a vertical surface; the end face of the pressure plate slag-blocking rib 104 is designed as a plane. The matching of the shapes of the two ensures the uniformity of contact and reduces the residue accumulation caused by irregular gaps.

[0029] In terms of material selection, the cutting blade 102 is made of SUS304 stainless steel, with a hardness of HRC58-60, possessing extremely high wear resistance and ensuring the stability of the gap size after long-term use. The pressure plate 106, on the other hand, uses PA66+30%gf composite material. This material combines excellent wear resistance and low surface energy characteristics, not only reducing the probability of residue adhesion but also reducing the frictional resistance during the rotation of the cutting blade 102, resulting in a 15% to 20% reduction in torque compared to traditional structures, and smoother operation. The small and uniform gap design allows water to easily rinse away any remaining small amounts of juice film or soft seeds without the need for scrubbing tools; combined with the anti-adhesion properties of the low surface energy material, this further improves the cleaning efficiency after juicing, making the entire device more convenient and efficient to use.

[0030] Working principle: The screw propeller, with screw 105 as the active rotating component, has an annular cutting edge 102 at its front end that cuts and crushes the input ingredients during rotation. The spiral structure then propels the ingredients towards the pressure plate 106, providing power and pretreatment for pressing and juicing. The pressure plate 106 is fixedly mounted at the front end of the screw propeller, opposite the cutting edge 102. An inlet on the pressure plate guides the crushed ingredients into the pressing area. A baffle rib 103 on the pressure plate 106 forms a baffle rib 104, which protrudes from the end face of the pressure plate 106. The diameter of the arc is controlled between 33mm and 33.1mm, forming a wrapping fit with the cutting edge 102 to prevent fibers and residues from diffusing into the gap. The cutting edge 102 and the opposite end face of the pressure plate 106 form an annular fit gap H. The size of this gap is precisely controlled to achieve the core function. The radial dimension of the gap H is controlled within 0.05mm≤H≤0.5mm, preferably 0.1mm≤H≤0.3mm, and most preferably 0.15mm or 0.25mm. This tiny gap can prevent most fibers, grains, and other residues from entering, avoiding... This design eliminates the residue jamming and entanglement problems caused by gaps >0.5mm in traditional technologies. The circumferential gap deviation is ≤±0.02mm, and precision CNC machining ensures uniform gaps, avoiding the risk of residue residue buildup due to excessively large gaps in certain areas. The cutting edge 102 features an arc design with a radius of 15.8mm–16mm on its end face, and its side is vertical. The pressure plate slag-blocking rib 104 has a flat end face; the matching shapes of both ensure uniform contact and reduce residue accumulation caused by irregular gaps. The cutting edge 102 is made of SUS304 stainless steel with a hardness of HR. The C58-60 material boasts high wear resistance, ensuring stable gap dimensions even after long-term use. The pressure plate 106 is made of PA66+30%gf composite material, combining wear resistance and low surface energy to reduce the probability of residue adhesion. It also reduces frictional resistance during the rotation of the cutting edge 102, resulting in a 15%–20% reduction in torque compared to traditional structures, leading to smoother operation. The small and uniform gap design allows water to easily rinse away any remaining small amounts of juice film or soft seeds, eliminating the need for scrubbing tools. Combined with the anti-adhesion properties of the low surface energy material, it further enhances the cleaning efficiency after juicing.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A juicer anti-residue pressing component structure based on precision gap control, characterized in that, The device includes a screw (105), a cutting edge (102), a pressure plate (106), and a slag-blocking rib (103). The cutting edge (102) is annular and located at the front end of the screw (105), and is installed by a screw (101) for cutting and pushing food ingredients. The pressure plate (106) is fixedly located at the front end of the screw (105) and is opposite to the cutting edge (102). The pressure plate (106) has a slag inlet. The slag-blocking rib (103) is located on the pressure plate (106) to form a pressure plate slag-blocking rib (104). The pressure plate slag-blocking rib (104) cooperates with the cutting edge (102), and an annular cooperation gap H is formed between the opposite end faces of the cutting edge (102) and the pressure plate (106).

2. The juicer anti-residue pressing component structure based on precision gap control according to claim 1, characterized in that: The radial dimension of the fitting clearance H satisfies 0.05mm≤H≤0.5mm.

3. The juicer anti-residue pressing component structure based on precision gap control according to claim 2, characterized in that: The radial dimension of the fitting clearance H is preferably in the range of 0.1mm≤H≤0.3mm.

4. The juicer anti-residue pressing component structure based on precision gap control according to claim 3, characterized in that: The radial dimension of the fitting clearance H is preferably 0.15 mm or 0.25 mm.

5. The juicer anti-residue pressing component structure based on precision gap control according to claim 1, characterized in that: The end face of the cutting edge (102) adopts a circular arc structure with a radius of 15.8mm to 16mm, and the side surface of the cutting edge (102) is a vertical surface.

6. The juicer anti-residue pressing component structure based on precision gap control according to claim 1, characterized in that: The end face of the pressure plate slag-blocking rib (104) is a plane, which matches the end face of the cutting edge (102) to ensure uniform gap; the arc diameter of the pressure plate slag-blocking rib (104) is 33mm to 33.1mm.

7. The juicer anti-residue pressing component structure based on precision gap control according to claim 1, characterized in that: The cutting edge (102) is made of SUS304 stainless steel with a hardness of HRC58-60; the pressure plate (106) is made of PA66+30%gf composite material.

8. The juicer anti-residue pressing component structure based on precision gap control according to claim 1, characterized in that: The height of the slag-blocking rib (104) protruding from the end face of the pressure plate (106) is 5mm.

9. The juicer anti-residue pressing component structure based on precision gap control according to claim 1, characterized in that: The end face fit clearance between the cutting edge (102) and the slag-blocking rib (104) of the pressure plate is 0.8mm to 1.2mm.

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