A polishing roller for water chestnuts

Abstract

This utility model discloses a water chestnut polishing roller that achieves stable guiding installation of an arc-shaped substrate through the limiting cooperation of sliding ribs and sliding grooves. A flexible polishing interface is formed by the combination of an elastic layer and a flexible working surface layer to achieve a gentle and uniform friction effect. A clamping structure of a limiting ring and fixing screws prevents the components from loosening, thus achieving a water chestnut polishing roller with uniform polishing, low breakage rate, and convenient maintenance. The roller is characterized by comprising a roller, sliding grooves, an arc-shaped substrate, sliding ribs, an elastic layer, positioning holes, a working surface layer, a flexible column, threaded holes, a limiting ring, and fixing screws. The roller has a cylindrical structure with one open end. Multiple sliding grooves are equidistantly arranged along the circumference of the roller. The arc-shaped substrate has an arc-shaped structure and is slidably connected to the roller through the sliding ribs and sliding grooves.

Description

Technical Field

[0001] This utility model relates to a water chestnut polishing roller for peeling and finishing agricultural products, belonging to the technical field of agricultural product deep processing equipment. In particular, it relates to a water chestnut polishing roller that achieves stable guidance and installation of an arc-shaped base plate through the limiting cooperation of sliding ribs and sliding grooves, forms a flexible polishing interface through the combination of an elastic layer and a flexible working surface layer to achieve a gentle and uniform friction effect, and prevents the components from loosening through the clamping structure of the limiting ring and fixing screws, thereby achieving a water chestnut polishing roller with uniform polishing, low breakage rate and convenient maintenance. Background Technology

[0002] After the water chestnut is shelled and dried, its surface usually still retains a cuticle layer, dust, and trace impurities. If it is not sufficiently polished, not only will its appearance be dull, but it will also easily affect the product's storage stability and market grade. Therefore, polishing is a crucial step in the deep processing of water chestnuts. Currently, most water chestnut polishing equipment uses a metal roller structure, with sandpaper or fixed brushes attached to the inner wall of the roller. The rotation of the roller causes the water chestnut particles to tumble and rub against each other to remove surface residues and achieve a smooth surface. However, existing equipment still has several shortcomings: First, the polishing layer of traditional rollers is generally a fixed structure, which is prone to wear and aging after a period of use. If replacement is needed, the entire roller must be disassembled or re-wrapped, which is cumbersome, has a long maintenance cycle, and is costly, making it difficult to meet the needs of continuous production. Second, the inner wall of the polishing roller is mostly made of hard metal or sandpaper. Mechanical hard friction can easily cause uneven force on the particles, resulting in breakage, cracks, or surface scratches during high-speed friction, leading to a decrease in yield and smoothness.

[0003] Publication No. CN206305046U discloses a novel opto-mechatronic integrated device for removing impurities from rice. The device includes a shell, a feeding device, a rice separating device, a first impurity container, a receiving hopper, a discharge port, a finished rice container, a second impurity container, a fan, and an air outlet. The feeding device is located on the upper part of the shell; the rice separating device is located on the left side of the middle part of the shell; and the finished rice container is located on the left side of the second impurity container. This invention, through the design of the roller, facilitates the downward flow of normally sized rice through the through holes around the roller, preventing larger impurities from falling into the receiving hopper. The second impurity container and the finished rice container facilitate the easier falling of impurities into the second impurity container when the air outlet blows air, improving work efficiency. The fixed frame, conveying pipe, and vibrator prevent the conveying pipe from clogging, making it convenient to use. However, the inner wall of the roller in the above device is made of fixed metal or abrasive cloth, which is prone to breakage or surface scratches under high-speed mechanical friction. Utility Model Content

[0004] To improve the above situation, this utility model provides a water chestnut polishing roller that achieves stable guidance and installation of the arc-shaped substrate through the limiting cooperation of sliding ribs and sliding grooves, forms a flexible polishing interface through the combination of elastic layer and flexible working surface layer to achieve a gentle and uniform friction effect, and prevents the components from loosening through the clamping structure of limiting ring and fixing screw, thereby achieving a water chestnut polishing roller with uniform polishing, low breakage rate and convenient maintenance.

[0005] The present invention relates to a polishing roller for water chestnuts, which is implemented as follows: The polishing roller for water chestnuts is characterized by comprising a roller, a groove, an arc-shaped base plate, sliding ribs, an elastic layer, positioning holes, a working surface layer, a flexible column, threaded holes, a limiting ring, and fixing screws. The roller has a cylindrical structure with one end open. The inner surface of the roller has grooves, and multiple grooves are arranged at equal intervals along the circumference of the roller. Preferably, the groove adopts a dovetail-shaped or T-shaped groove cross-section structure. The arc-shaped base plate has an arc-shaped structure, and the arc-shaped base plate is slidably connected to the roller through sliding ribs and the sliding groove. Preferably, the arc-shaped substrate adopts a double-layer composite structure, with the outer layer being stainless steel and the inner layer being aluminum alloy or lightweight steel plate, which are fixed by spot welding or riveting. Preferably, the sliding rib is an integrally formed protruding rib, forming a single structure with the arc-shaped base plate. The sliding ribs correspond one-to-one with the sliding grooves. Multiple arc-shaped substrates form a cylindrical structure. One side of the elastic layer is bonded to the inner arc surface of the curved substrate. Preferably, the elastic layer is made of food-grade rubber or polyurethane (PU). The other side of the elastic layer has positioning holes. Each elastic layer has multiple sets of positioning holes, which are equidistantly arranged along the arc of the elastic layer. Within each set, the positioning holes are equidistantly arranged along the axial direction of the elastic layer. The working surface layer is connected to the elastic layer by being secured in positioning holes by flexible posts. Each flexible post on the working surface layer corresponds to a set of positioning holes. Preferably, the cross-sectional diameter of the flexible column initially remains constant from the end connected to the working surface layer, then increases in an arc shape and then decreases. The shape of the positioning holes on the elastic layer corresponds to that of the flexible column. Multiple working surface layers are arranged at equal intervals along the circumference of the roller and form a cylindrical structure. Each elastic layer corresponds to multiple working surface layers. The roller has multiple threaded holes on its outer side near the open end. Preferably, the plurality of threaded holes are arranged at equal intervals along the circumference of the roller. The limiting ring has a circular structure with an open end. The limiting ring is opposite to the opening of the roller, and the open end of the roller is engaged within the opening of the limiting ring. The fixing screw passes through the limit ring and engages with the threaded hole of the roller. Beneficial effects

[0006] 1. Modular structure, convenient maintenance and quick replacement.

[0007] Second, through the flexible combination of the elastic layer and the working surface layer, gentle friction and uniform polishing of the water chestnut are achieved, effectively reducing the breakage rate and improving the smoothness of the finished product.

[0008] III. Stable, safe and reliable operation.

[0009] IV. The working surface layer can be made of different materials according to process requirements, realizing the integration of rough polishing and fine polishing, improving polishing adaptability and processing quality. Attached Figure Description

[0010] Figure 1 This is a three-dimensional structural diagram of a water chestnut polishing roller according to the present invention; Figure 2 This is a three-dimensional structural diagram of a water chestnut polishing roller according to the present invention; Figure 3 This is a schematic diagram of the structure of a water chestnut polishing roller according to the present invention;

[0011] Attached Figure

[0012] The components are: roller (1), limiting ring (2), fixing screw (3), working surface layer (4), slide groove (5), sliding rib (6), arc-shaped base plate (7), elastic layer (8), threaded hole (9), positioning hole (10), and flexible column (11). Detailed Implementation Example 1

[0013] The present invention provides a polishing roller for water chestnuts, which is implemented as follows: The present invention provides a polishing roller for water chestnuts, which includes a roller (1), a groove (5), an arc-shaped base plate (7), a sliding rib (6), an elastic layer (8), a positioning hole (10), a working surface layer (4), a flexible column (11), a threaded hole (9), a limiting ring (2), and a fixing screw (3). The roller (1) has a cylindrical structure and one end is open. The inner side of the roller (1) is provided with a sliding groove (5), and multiple sliding grooves (5) are arranged at equal intervals along the circumference of the roller (1). Preferably, the groove (5) adopts a dovetail or T-shaped groove cross-section structure. The arc-shaped substrate (7) has an arc-shaped structure. The arc-shaped substrate (7) is slidably connected to the roller (1) through the sliding rib (6) and the sliding groove (5). Preferably, the arc-shaped substrate (7) adopts a double-layer composite structure, with the outer layer being stainless steel and the inner layer being aluminum alloy or lightweight steel plate, which are fixed by spot welding or riveting. Preferably, the sliding rib (6) is an integrally formed convex rib, forming a single structure with the arc-shaped base plate (7). The sliding ribs (6) correspond one-to-one with the sliding grooves (5). Multiple arc-shaped substrates (7) form a cylindrical structure. One side of the elastic layer (8) is bonded to the inner arc surface of the arc-shaped substrate (7). Preferably, the elastic layer (8) is made of food-grade rubber or polyurethane (PU) material. The elastic layer (8) has a positioning hole (10) on its other side. Each elastic layer (8) has multiple sets of positioning holes (10). The multiple positioning holes (10) are arranged equidistantly along the arc of the elastic layer (8), and the multiple positioning holes (10) in each set are arranged equidistantly along the axial direction of the elastic layer (8). The working surface layer (4) is connected to the elastic layer (8) by being secured in the positioning hole (10) by a flexible post (11). Each flexible post (11) on the working surface layer (4) corresponds to a set of positioning holes (10). Preferably, the flexible column (11) has a cross-sectional diameter that initially remains constant from the end connected to the working surface layer (4), then increases in an arc shape and then decreases. The positioning holes (10) on the elastic layer (8) correspond in shape to the flexible column (11). Multiple working surface layers (4) are arranged equidistantly along the circumference of the roller (1) and form a cylindrical structure. Each elastic layer (8) corresponds to multiple working surface layers (4). The roller (1) has multiple threaded holes (9) on its outer side near the opening end. Preferably, the plurality of threaded holes (9) are arranged at equal intervals along the circumference of the roller (1). The limiting ring (2) has a circular structure with one end open. The limiting ring (2) is opposite to the opening of the roller (1), and the open end of the roller (1) is engaged in the opening of the limiting ring (2). The fixing screw (3) passes through the limiting ring (2) and engages with the threaded hole (9) to connect with the roller (1) by thread. When using, first select the appropriate material for the working surface layer (4) (such as a corrugated rubber sheet, flocked sheet, or flexible brush strip) according to the dryness and wetness of the water chestnut and the polishing requirements. The operator aligns the flexible pillars (11) on the back of the working surface layer (4) with the positioning holes (10) on the outer surface of the elastic layer (8) one by one, and presses them in the direction of the holes so that the arc-shaped locking part of the flexible pillar enters the positioning hole and is elastically covered by the hole wall to achieve a stable snap-fit. After all the working surface layers (4) are installed in sequence, a continuous and complete polishing is formed on the surface of the arc-shaped substrate (7). The inner arc surface of the elastic layer (8) is completely covered by the working surface layer. Then, the assembled arc-shaped substrate (7) is pushed in along the axial direction of the roller (1) so that the sliding rib (6) on the back of the arc-shaped substrate is precisely aligned with the sliding groove (5) on the inner side of the roller and slides into place. Multiple arc-shaped substrates are spliced ​​end to end and installed in sequence until the inner wall of the roller is completely covered. After all the substrates are installed, the limiting ring (2) is fitted on the outside of the opening end of the roller (1) and its ring opening is aligned with the opening of the roller. Then, the fixing screw (3) is passed through the screw hole of the limiting ring and screwed into the roller. The threaded hole (9) on the outside of the cylinder applies axial clamping force to the arc-shaped substrate assembly in terms of structure, forming an end anti-retraction structure to prevent the arc-shaped substrate from axially slipping or coming off during the rotation of the drum. After assembly, an appropriate amount of dried water chestnut granules are put into the drum, and the drive device is started to drive the drum to rotate at a constant speed around its own axis. The water chestnuts form a rolling and sliding motion in the drum, and continuously flexibly rub against the working surface layer (4). With the help of the micro-elastic buffer of the elastic layer (8) and the stable support of the column-hole, a gentle and uniform polishing effect is achieved. During the rotation of the drum, the slide groove (5) and the sliding rib (6) are in close contact to ensure that the arc-shaped substrate (7) will not slide relative to each other. The clamping structure formed by the limiting ring (2) and the fixing screw (3) effectively prevents the substrate assembly from dislodging. After polishing, stop the machine and loosen the fixing screw (3), remove the limiting ring (2), and the arc-shaped substrate (7) that needs maintenance can be pulled out along the slide groove direction. If the individual working surface layer (4) is worn, its flexible column (11) can be pulled out directly and replaced with a new part without disassembling the whole drum, thereby significantly improving maintenance efficiency and service life. The groove (5) adopts a dovetail or T-shaped groove cross-section design, which can form a stable guide and limiting fit when the arc substrate (7) slides along the roller (1) axis, preventing the arc substrate from loosening or falling off during the polishing process; The arc-shaped substrate (7) adopts a double-layer composite structure, with the outer layer being stainless steel and the inner layer being aluminum alloy or lightweight steel plate. This design can effectively reduce the weight of the components, reduce the rotational inertia of the roller, and improve the stability of equipment operation while ensuring overall strength and wear resistance. The design of the elastic layer (8) being bonded to the arc-shaped substrate (7) on one side and having multiple sets of positioning holes (10) on the other side can provide precise installation positioning for the working surface layer (4) while ensuring the flexibility of the polishing interface, so that the working layer is firmly attached to the substrate and is easy to replace. The design of the cross-sectional diameter of the flexible column (11) first remains unchanged, then increases in an arc shape and then decreases, can achieve self-locking after being inserted into the positioning hole (10), so that the working surface layer (4) can still be stably connected under the action of vibration and centrifugal force and is easy to disassemble and maintain. The design of the limiting ring (2) being opposite to the opening of the roller (1) and connected by the fixing screw (3) and the threaded hole (9) can apply axial clamping force to the arc-shaped base plate (7) assembly when the roller rotates, preventing it from sliding along the groove direction under high speed conditions, and ensuring structural safety and reliability. The design of the flexible polishing interface formed by the combination of the elastic layer (8) and the working surface layer (4) can absorb the impact force of the water chestnut and the inner wall during the rotation of the drum, reduce the damage and breakage of the particles, achieve a gentle and uniform polishing effect and improve the yield. The device achieves stable guidance and installation of the arc-shaped substrate (7) through the limiting cooperation of the sliding rib (6) and the sliding groove (5), and forms a flexible polishing interface through the combination of the elastic layer (8) and the flexible working surface layer (4) to achieve a gentle and uniform friction effect. The device is prevented from loosening through the clamping structure of the limiting ring (2) and the fixing screw (3), thereby achieving the purpose of uniform polishing, low breakage rate and convenient maintenance.

[0014] It should be noted that, unless otherwise explicitly specified and limited, the terms "placed," "connected," and "linked" should be interpreted broadly. For example, they can refer to fixed connections such as folded edges, rivets, pins, adhesives, and welds; detachable connections such as threaded connections, snap-fit ​​connections, and hinges; integral connections; electrical connections; direct connections; or indirect connections via an intermediate medium; or internal connections between two components. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0015] The above embodiments are preferred embodiments of this utility model. Due to space limitations, the applicant has not adopted other embodiments, but this is not intended to limit the scope of this utility model. Any person skilled in the art can make some improvements without departing from the scope of this utility model; that is, all equivalent improvements made in accordance with this utility model should be covered by the scope of this utility model.

Claims

1. A ginkgo polishing drum, characterized in that, Composed of a roller, a sliding groove, an arc-shaped base plate, sliding ribs, an elastic layer, positioning holes, a working surface layer, flexible columns, threaded holes, a limiting ring, and fixing screws. The inner side of the roller has a sliding groove. The arc-shaped base plate is slidably connected to the roller through the sliding ribs and the sliding grooves. The sliding ribs correspond one-to-one with the sliding grooves. One side of the elastic layer is bonded to the inner arc surface of the arc-shaped base plate, and the other side of the elastic layer has positioning holes. Each elastic layer has multiple sets of positioning holes. The working surface layer is connected to the elastic layer by being held in the positioning holes through the flexible columns. Each flexible column on the working surface layer corresponds to a set of positioning holes. Multiple working surface layers are arranged equidistantly along the circumference of the roller and form a cylindrical structure. Each elastic layer corresponds to multiple working surface layers. The outer side of the roller near the opening end has multiple threaded holes. The limiting ring is opposite to the opening of the roller, and the opening end of the roller is held in the opening of the limiting ring. The fixing screw passes through the limiting ring and is threadedly connected to the roller through the threaded holes.

2. A polishing roller for water chestnuts according to claim 1, characterized in that... The roller has a cylindrical structure with an open end, and multiple grooves are arranged at equal intervals along the circumference of the roller.

3. A polishing roller for water chestnuts according to claim 1, characterized in that... The groove adopts a dovetail or T-shaped groove cross-section structure, and the arc-shaped base plate has a circular arc structure.

4. A water chestnut polishing roller according to claim 1, characterized in that... The arc-shaped substrate adopts a double-layer composite structure, with the outer layer being stainless steel and the inner layer being aluminum alloy or lightweight steel plate, which are fixed by spot welding or riveting.

5. A polishing roller for water chestnuts according to claim 1, characterized in that... The sliding rib is an integrally formed convex rib, which is a single structure with the arc-shaped base plate.

6. A polishing roller for water chestnuts according to claim 1, characterized in that... Multiple of the aforementioned arc-shaped substrates form a cylindrical structure.

7. A water chestnut polishing roller according to claim 1, characterized in that... The elastic layer is made of food-grade rubber or polyurethane (PU).

8. A polishing roller for water chestnuts according to claim 1, characterized in that... The multiple positioning holes are arranged equidistantly along the arc of the elastic layer, and the multiple positioning holes in each group are arranged equidistantly along the axial direction of the elastic layer. The limiting ring has a circular structure and one end is open.

9. A polishing roller for water chestnuts according to claim 1, characterized in that... The multiple threaded holes are arranged at equal intervals along the circumference of the roller.

10. A water chestnut polishing roller according to claim 1, characterized in that... The flexible column, starting from the end connected to the working surface layer, initially maintains a constant cross-sectional diameter, then increases in an arc shape before decreasing. The positioning holes on the elastic layer correspond in shape to the flexible column.

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