Draining and conveying device
By designing an adjustable-length drain conveyor, seamless conveying of rice is achieved, solving the problem of inflexible adjustment of feeding points in existing equipment and improving equipment integration and operational stability.
Patent Information
- Application Number
- CN202512036665.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-31
- Publication Date
- 2026-02-17
AI Technical Summary
In existing automated food processing equipment, the rice draining and conveying processes suffer from problems such as the inability to flexibly adjust the feeding points, which occupy space and easily create unsanitary corners.
An adjustable-length drain conveyor device was designed, including a movable extension plate and a flexible drain mesh belt, which can be precisely aligned with the downstream equipment to achieve seamless conveying of rice, avoiding intermediate transfer and contamination.
This improved the overall integration of the equipment line, reduced the rice grain breakage rate and the risk of cross-contamination, and enhanced the drainage efficiency and equipment operational stability.
Smart Images
Figure CN121539952A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of production technology, and in particular relates to a drain conveying device. Background Technology
[0002] In automated food processing equipment such as fried rice and mixed rice, rice typically undergoes multiple processes including washing, steaming, draining, conveying, and subsequent stirring or frying. Among these, the draining and conveying steps after washing the rice are crucial in connecting pre-treatment and heat processing, and their efficiency and cleanliness directly affect the taste of the finished product, the stability of equipment operation, and the level of food safety.
[0003] In traditional processes, wet rice after washing is usually dehydrated using a draining basket or vibrating screen, and then fed into a mixing drum or cooking pot by manual shovel, screw conveyor, or belt conveyor. However, existing conveying devices are mostly fixed-length structures, which cannot flexibly adjust the feeding point according to the inlet position of downstream equipment. They often require additional receiving hoppers or transition mechanisms, which not only take up space but also easily create unsanitary corners. Summary of the Invention
[0004] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a conveying device capable of precise alignment.
[0005] The objective of this invention can be achieved through the following technical solution: a drain conveying device, comprising:
[0006] frame,
[0007] The support includes a support plate fixedly mounted on the frame, and the support plate is provided with an array of a plurality of first drainage holes;
[0008] The extension section includes an extension plate disposed on the frame, the extension plate being disposed at the end of the support plate, and the outer end of the extension plate overlapping the projection of the inner end of the support plate in the vertical direction. The extension plate is movable relative to the frame so that the total length of the drain section and the extension section is adjustable.
[0009] The drain section includes a drain mesh belt made of flexible material, the mesh diameter of which is smaller than the diameter of a grain of rice, and the drain mesh belt is fitted over the support section and the extension section;
[0010] A water-receiving plate is disposed below the support and the extension.
[0011] In the aforementioned drain conveying device, the support plate includes a plurality of protrusions arranged parallel to each other along its length, and a recess is formed between each pair of adjacent protrusions, with the first drain hole formed on the recess.
[0012] In the above-mentioned drain conveying device, the support plate, the extension plate and the water receiving plate are all inclined upward along the discharge direction, and a water receiving tank is provided at the lower end of the water receiving plate.
[0013] In the above-mentioned drain conveying device, a number of tension rollers and adjustable adjustment rollers are fixedly installed on the frame. The drain mesh belt passes around the corresponding tension rollers and adjustment rollers in sequence. The adjustment rollers can adjust their positions synchronously as the extension part moves.
[0014] In the above-mentioned drain conveying device, a drive unit is fixedly installed on the frame, the output shaft of the drive unit is fixed to the extension part, a sliding part is provided on the extension part, and a guide part is provided on the frame, with the sliding part and the guide part slidingly engaged.
[0015] In the aforementioned drain conveying device, the outer end of the extension plate includes a water-blocking area. When the extension plate extends to its limit position, the projection of the inner end of the water-blocking area in the vertical direction is located within the projection of the water-receiving plate.
[0016] In the aforementioned drain conveying device, the extension plate is provided with an array of second drain holes.
[0017] In the above-mentioned draining and conveying device, a conveying part is fixedly provided above the end of the support plate away from the extension plate. The conveying part includes a draining cavity, and an inlet is opened above the draining cavity. A draining plate and a water guiding plate are fixedly provided inside the draining cavity. The water guiding plate is located below the draining plate, and there is a gap between the draining plate and the inner wall of the draining cavity to form a conveying cavity with an opening at the bottom. Rice grains roll down the draining plate into the conveying cavity.
[0018] In the aforementioned drain conveying device, the drain plate extends vertically downwards and tilts towards a first direction, while the water guide plate extends vertically downwards and tilts towards a second direction, with the first and second directions being opposite in the horizontal plane.
[0019] In the aforementioned drain conveying device, baffles extending along their length are fixedly provided on both sides of the support plate and the extension plate.
[0020] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0021] (1) After the rice is washed, it is fed onto the draining mesh belt. Under the action of gravity, the water quickly passes through the mesh and the draining holes on the support plate and falls into the water receiving plate below for discharge. At the same time, the rice grains are conveyed forward with the mesh belt. At this time, the operator can adjust the extension length of the extension plate according to the position of the subsequent process (such as the mixing drum or the fried rice drum) so that the end of the draining mesh belt can directly extend into the inlet of the mixing drum, so as to achieve "seamless" conveying of rice and avoid pollution and efficiency loss caused by manual intervention or intermediate transfer.
[0022] (2) The movable design of the extension section makes the output position of the entire drain conveyor flexible and adjustable, and can be precisely aligned according to the inlet position of downstream equipment (such as mixing drum and fried rice drum), thereby improving the integration of the entire line. By extending the extension section into the interior of the subsequent processing equipment, the rice can slide directly from the drain mesh belt into the mixing or frying chamber, avoiding intermediate material drop, accumulation or secondary handling, and reducing the rice grain breakage rate and the risk of cross-contamination. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the invention when it is not extended;
[0024] Figure 2 yes Figure 1 A schematic diagram showing the state of the middle support plate and the extension plate;
[0025] Figure 3 yes Figure 1 A schematic diagram of the cross-sectional structure;
[0026] Figure 4 yes Figure 1 A three-dimensional structural diagram of the central support plate;
[0027] Figure 5 This is a schematic diagram of the invention when extended;
[0028] Figure 6 yes Figure 5 A schematic diagram showing the state of the middle support plate and the extension plate;
[0029] Figure 7 yes Figure 5 A schematic diagram of the cross-sectional structure;
[0030] Figure 8 This is a cross-sectional structural diagram of the conveying section.
[0031] In the figure, 100 is the frame; 101 is the tension roller; 102 is the adjusting roller; 103 is the drive unit; 104 is the sliding unit; 105 is the guide unit; 106 is the baffle; 200 is the support plate; 201 is the first drain hole; 202 is the protrusion; 203 is the recess; 300 is the extension plate; 301 is the second drain hole; 302 is the third drain hole; 400 is the drain mesh belt; 401 is the water receiving plate; 402 is the water receiving tank; 500 is the conveying unit; 501 is the draining cavity; 502 is the drain plate; 503 is the drinking water plate; and 504 is the conveying cavity. Detailed Implementation
[0032] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.
[0033] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.
[0034] like Figures 1-8 As shown, a device for draining and conveying rice grains is provided, suitable for automated food processing equipment such as fried rice and mixed rice. The draining and conveying device includes a frame 100, a support part, an extension part, a draining part, and a water receiving plate 401.
[0035] Specifically, the frame 100 provides the installation base for the overall structure; the support part includes a support plate 200 fixed on the frame 100, and a plurality of first drainage holes 201 are arrayed on the support plate 200 for drainage; the extension part includes an extension plate 300 that can slide and adjust along the frame 100. The extension plate 300 is located at the discharge end of the support plate 200 and partially overlaps with the support plate 200 in the vertical direction to ensure that the drainage mesh belt 400 continuously covers without any breaks.
[0036] The drain section uses a drain mesh belt 400 with a mesh diameter smaller than that of a rice grain, effectively intercepting rice grains while allowing water to pass through quickly. The drain mesh belt 400 surrounds the support plate 200 and the extension plate 300 to form a continuous conveying surface. A water receiving plate 401 is located directly below the support and extension sections to collect water discharged from the mesh belt and drain holes, guiding it to a drain outlet or recycling system.
[0037] In practical use, after the rice is washed, it is fed onto the draining mesh belt 400. Under the action of gravity, the water quickly passes through the mesh and the draining holes on the support plate 200, and falls into the water receiving plate 401 below for discharge. At the same time, the rice grains are conveyed forward with the mesh belt. At this time, the operator can adjust the extension length of the extension plate 300 according to the position of the subsequent process (such as the mixing drum or the fried rice drum), so that the end of the draining mesh belt 400 extends directly into the inlet of the mixing drum, realizing the "seamless" conveying of rice and avoiding pollution and efficiency loss caused by manual intervention or intermediate transfer.
[0038] In this embodiment, the movable design of the extension section allows for flexible adjustment of the output position of the entire drain conveyor, enabling precise alignment based on the inlet position of downstream equipment (such as a mixing drum or a fried rice drum), thus improving the overall line integration. By extending the extension section into the interior of subsequent processing equipment, rice can slide directly from the drain conveyor belt 400 into the mixing or frying chamber, avoiding intermediate material drop, accumulation, or secondary handling, thereby reducing rice grain breakage and the risk of cross-contamination.
[0039] Specifically, the support plate 200 has multiple parallel and equally spaced strip-shaped protrusions 202 along the conveying direction (i.e., the length direction), with recesses 203 naturally formed between adjacent protrusions 202; several first drain holes 201 are concentrated at the bottom of each recess 203, forming the main drainage channel; the extension section includes an extension plate 300 that can slide horizontally along the frame 100, and its structure is completely consistent with that of the support plate 200: it also has protrusions 202 and recesses 203 extending along the length direction. In practical applications, the wet rice discharged from the rice washing machine falls into the starting end of the drain mesh belt 400. Since both the support plate 200 and the extension plate 300 adopt an alternating protrusion-recess structure, the rice grains mainly stay on the top of the protrusions 202, avoiding direct pressure on the drain holes; the washing water quickly passes through the mesh belt, flows into the lower recesses 203 under the action of gravity, and is efficiently discharged through the first drain holes 201.
[0040] In actual operation, the wet rice discharged from the rice washing machine falls into the feed end (lower end) of the draining mesh belt 400. Because the entire conveyor surface is inclined upward, the rice grains are conveyed upward against the force of gravity under the drive of the mesh belt, prolonging the residence time and improving the draining effect; at the same time, the washing water flows rapidly downward (i.e., in the opposite direction to the discharge direction) under the action of gravity, passes through the mesh belt and falls into the water receiving plate 401, which is also inclined below, and naturally collects into the water receiving tank 402 at its lower end for centralized treatment or recycling.
[0041] Several tension rollers 101 are fixedly installed on the frame 100 to maintain the basic tension of the drain mesh belt 400; at the same time, at least one adjusting roller 102 is provided, and its installation position can be adjusted by a chute, guide rail or linkage mechanism; the drain mesh belt 400 passes around the tension rollers 101 and the adjusting roller 102 in sequence to form a closed loop; when the extension part moves forward or backward to adjust the conveying length, the adjusting roller 102 can move synchronously to compensate for the changes in mesh belt tension caused by the change in extension length, always maintain appropriate tension, and avoid slippage, deviation or excessive stretching;
[0042] A drive unit 103 (such as a geared motor or servo motor) is also fixedly mounted on the frame 100, and its output shaft is rigidly connected to the extension section (for example, fixed to the side of the extension plate 300 via a coupling or flange). A sliding part 104 (such as a slider or slide rail base) is provided at the bottom of the extension section, and a corresponding guide part 105 (such as a linear guide rail) is provided on the frame 100. The sliding part 104 and the guide part 105 form a sliding fit pair, ensuring that the extension section moves smoothly and linearly in a predetermined direction (i.e., the discharge direction) under the drive of the drive unit 103, without shaking or jamming. An adjusting roller 102 is fixed on the sliding part 104. Therefore, when the drive unit 103 drives the extension section to move, the sliding part 104 slides synchronously, and the adjusting roller 102 moves in conjunction with the extension section.
[0043] When the drive unit 103 is activated, it pushes the extension section forward along the guide section 105; simultaneously, the adjusting roller 102 moves forward synchronously with the extension section, dynamically adjusting the mesh belt envelope path so that the drain mesh belt 400 always adheres to the surfaces of the protrusions 202 of the support plate 200 and the extension plate 300. Even at maximum extension, the mesh belt maintains uniform tension, ensuring smooth conveying, accurate alignment of the drain holes, and unobstructed drainage.
[0044] Furthermore, a water-blocking surface (connecting plane) is provided on the upper surface of the outer end region of the extension plate 300 (i.e., the part near the free end). The main function of the water-blocking surface is to intercept the residual water carried with the rice grains when the draining mesh belt 400 conveys wet rice to the end of the extension plate 300, preventing it from continuing to flow outward and dripping from the front end of the extension plate 300.
[0045] When the extension plate 300 is pushed to its maximum extension position by the drive unit 103 (e.g., fully extended into the mixing drum inlet), the projection of the water-blocking surface in the vertical direction overlaps with the projection area of the water-receiving plate 401 located below it. Since the water-receiving plate 401 is also inclined upward along the discharge direction and covers the area directly below the support and extension parts, this projection overlap ensures that any water dripping from the edge of the water-blocking surface or flowing down its surface will fall vertically under the action of gravity and will inevitably fall into the effective collection range of the water-receiving plate 401, and finally be guided by the water-receiving plate 401 to the water-receiving tank 402 at the lower end. Thus, even if the extension plate 300 is fully extended and suspended in the air, the water in its end area is forcibly constrained by the structure within the controlled drainage path and cannot leak to the ground or outside the equipment.
[0046] In another specific embodiment, the extension section includes an extension plate 300 slidably disposed at the discharge end of the support plate 200. The overall structure of the extension plate 300 is similar to that of the support plate 200, also having protrusions 202 and recesses 203 extending along the length direction. The difference is that several second drainage holes 301 are linearly distributed on the protrusions 202 of the extension plate 300, and their diameters are smaller than the diameters of the first drainage holes 201 on the support plate 200. This design aims to perform secondary fine drainage on the initially drained rice grains, preventing rice grains from getting stuck or clogging due to excessively large hole diameters; at the same time, several third drainage holes 302 are also provided at the bottom of the recess 203 near the end of the extension plate 300 close to the support plate 200. This area is the junction of the support plate 200 and the extension plate 300, where residual moisture easily accumulates. The third drainage holes 302 can effectively drain the stagnant water in this area, preventing water backflow or accumulation.
[0047] The device further includes a conveying section 500, which is fixedly disposed above the end of the support plate 200 away from the extension plate 300 (i.e., the feeding end), for receiving wet rice from the rice washing equipment and completing preliminary draining and directional flow. The conveying section 500 includes a draining chamber 501, and a draining plate 502 is fixed to the upper part of the draining chamber 501 for receiving wet rice and performing preliminary draining. The draining plate 502 is inclined towards a first direction in a vertically downward extending direction. A water guiding plate 503 is located directly below the draining plate 502 for receiving rice washing water falling from the draining plate 502. The water guiding plate 503 is inclined towards a second direction in a vertically downward extending direction, and the second direction is opposite to the first direction on the horizontal plane. This creates a spatially misaligned double-sloped structure: rice grains roll along the drain plate 502 in the first direction and fall into the conveying cavity 504 formed below through the gap between the edge of the drain plate 502 and the inner wall of the drain cavity 501, eventually sliding down to the starting end of the drain mesh belt 400; while the water leaking from the holes of the drain plate 502 drips onto the surface of the water guide plate 503 under the action of gravity, and then flows along its reverse (second direction) inclined surface to the drain outlet on the other side of the drain cavity 501 or directly into the main water receiving system.
[0048] Based on the aforementioned drain conveying device, baffles 106 are fixedly installed on opposite sides (i.e., the left and right edges along the conveying width direction) of the support plate 200 and the extension plate 300. The baffles 106 are vertical or slightly outwardly inclined plate-like structures extending parallel to the length of the plate, with a height higher than the top of the protrusion 202. The baffles 106 can be integrally formed with the support plate 200 and the extension plate 300, or fixed by welding or screwing. When the extension plate 300 is in any extended position (including its extreme position), the baffles 106 on it and the baffles 106 on the support plate 200 remain continuous in the overlapping area, ensuring that both sides of the drain conveyor belt 400 are always effectively blocked.
[0049] The draining mesh belt 400 is fitted onto the protrusion 202 of the support plate 200 and the extension plate 300, and is located between the two baffles 106, forming a closed conveying channel. When wet rice is conveyed upward along the inclined surface on the mesh belt, even if there is lateral displacement due to vibration, acceleration or deceleration of the mesh belt or rolling of rice grains, it will be blocked by the baffles 106 and will not spill out from both sides.
[0050] It should be noted that in this invention, the use of terms such as "first," "second," and "a" is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified. The terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two elements or the interaction between two elements, unless otherwise explicitly specified. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.
[0051] Furthermore, the technical solutions of the various embodiments of the present invention can be combined with each other, but only if they are feasible for those skilled in the art. If the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by the present invention.
[0052] The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of the invention or exceeding the scope defined by the appended claims.
Claims
1. A drip conveying device, characterized in that, The utility model relates to a rice drying machine, including: A frame, Supporting part, it includes the supporting plate fixedly arranged on the frame, a plurality of first drain holes are arranged on the supporting plate, Extension part, it includes the extension plate arranged on the frame, the extension plate is arranged on the end of the supporting plate, and the extension plate and the supporting plate exist overlapping area in the vertical direction projection, the extension plate can move relative to the frame so that the total length of the draining part and the extension part is adjustable, Draining part, it includes the draining net belt made of flexible material, the mesh diameter on the draining net belt is less than the diameter of rice, the draining net belt is sleeved on the supporting part and the extension part, Water receiving plate, it is arranged below the supporting part and the extension part.
2. A drip conveying device according to claim 1, characterized in that The supporting plate includes a plurality of protrusions arranged in parallel along the length direction, a recess is formed between each adjacent two protrusions, and the first drain hole is opened on the recess.
3. A drip conveying device according to claim 1, characterized in that The supporting plate, the extension plate and the water receiving plate are all arranged upwardly inclined along the discharging direction, and the lower end of the water receiving plate is provided with a water receiving tank.
4. A drip conveying device according to claim 1, characterized in that A plurality of tensioning rollers and position-adjustable adjusting rollers are fixedly arranged on the frame, the draining net belt sequentially passes through the corresponding tensioning rollers and adjusting rollers, and the adjusting rollers can be synchronously adjusted in position with the movement of the extension part.
5. A drip conveying device according to claim 4, wherein A driving part is fixedly arranged on the frame, the output shaft of the driving part is fixed with the extension part, a sliding part is arranged on the extension part, a guide part is arranged on the frame, and the sliding part and the guide part are in sliding fit.
6. A drip conveying device according to claim 1, characterized in that The outer end of the extension plate includes a water blocking area, and when the extension plate extends to the limit position, the inner end of the water blocking area is located within the projection of the water receiving plate in the vertical direction.
7. A drip conveying device according to claim 1, characterized in that Second drain holes are arranged on the extension plate.
8. A drip conveying device according to claim 1, characterized in that A conveying part is fixedly arranged above the end of the supporting plate away from the extension plate, the conveying part includes a draining cavity, an inlet is formed above the draining cavity, a draining plate and a water guiding plate are fixedly arranged in the draining cavity, the water guiding plate is below the draining plate, and a gap is formed between the draining plate and the inner cavity wall of the draining cavity to form a conveying cavity with an opening below, and rice falls to the conveying cavity through the draining plate.
9. A drip conveying device according to claim 8, wherein When the draining plate extends vertically downward, it is inclined toward a first direction, and when the water guiding plate extends vertically downward, it is inclined toward a second direction, and the first direction and the second direction are opposite in the horizontal plane.
10. A drip conveying device according to claim 1, characterized in that The opposite sides of the supporting plate and the extension plate are both fixedly provided with a baffle extending along the length direction.