A roller cleaning and screening machine conveyor

Abstract

The application is suitable for the technical field of cleaning and screening equipment, and provides a roller cleaning and screening machine conveying device, which comprises a main frame body and a roller conveying mechanism; the roller conveying mechanism comprises two side plates, a transmission roller and a transmission chain; a plurality of fixed rollers and movable rollers are arranged between the two transmission chains; the outer wall of the outer link of the transmission chain is provided with a sliding groove; the movable roller is slidingly connected to the inside of the sliding groove of the outer link; a pressing block is arranged between the adjacent movable rollers and fixed rollers on two adjacent outer links; a thrust spring is arranged between the movable roller and the fixed roller on the same outer link; the inside of the side plate is provided with an inner sliding rail and an outer sliding rail; the top of the pressing block abuts against the inner side surface of the outer sliding rail; thereby, the conveying structure with multiple levels of adjustable roller distance is arranged, so that the screening of agricultural products of different sizes is ensured after the cleaning of the agricultural products is completed; and the baffle structure is also arranged, so that the reliability of the screening and cleaning of the agricultural products is ensured.

Description

Technical Field

[0001] This invention relates to the field of cleaning and screening equipment technology, and in particular to a conveying device for a roller cleaning and screening machine. Background Technology

[0002] The processing of agricultural products such as fruits and vegetables plays a vital role in my country's agricultural trade. Currently, my country's processed fruit and vegetable exports are increasing year by year, and an export-oriented fruit and vegetable processing production model is gradually taking shape. However, there are many varieties of fruits and vegetables. For example, apples, pears, and peaches grow outdoors in windy and sandy conditions, while carrots, sweet potatoes, and potatoes are root vegetables with a lot of mud and sand adhering to their surfaces. Furthermore, after washing, agricultural products need to be sorted by size to achieve proper classification.

[0003] In existing technologies, the cleaning and sorting of agricultural products need to be completed separately. After the agricultural products are cleaned by a roller washing machine, they are then sorted manually according to their size. This method of sorting and cleaning increases labor costs, and manual sorting is prone to errors, affecting the accuracy of agricultural product classification.

[0004] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Summary of the Invention

[0005] To address the aforementioned shortcomings, the present invention aims to provide a conveying device for a roller washing and screening machine. This device features a conveying structure with multi-level adjustable roller spacing, ensuring the screening of agricultural products of different sizes after washing. It also incorporates a baffle structure to guide agricultural products into the appropriate space between the rollers, thus guaranteeing the reliability of agricultural product screening and washing.

[0006] To achieve the above objectives, the present invention provides a conveying device for a roller washing and screening machine, comprising: a main frame and a roller conveying mechanism disposed on the main frame; the roller conveying mechanism includes two symmetrically arranged side plates, a transmission roller rotatably connected to the inner sides of the two side plates, and a transmission chain wound around both ends of the transmission roller; a plurality of fixed rollers and movable rollers are provided between the two transmission chains; the outer wall of the outer link of the transmission chain is provided with a groove; the fixed rollers are fixedly disposed on the outer link; and the movable rollers are slidably connected to the outer link. Inside the slide groove of the chain link, there is a pressure block between adjacent movable rollers and fixed rollers on two adjacent outer chain links to keep the movable rollers and fixed rollers away from each other. A thrust spring is provided between the movable rollers and fixed rollers on the same outer chain link. Inside the side plate, there are inner and outer slide rails corresponding to the transmission line of the transmission chain. The transmission chain is located between the inner and outer slide rails. The top of the pressure block is always in contact with the inner side of the outer slide rail. The inner side of the outer slide rail is provided with a guide portion to press the pressure block down.

[0007] According to the conveying device of the roller cleaning and screening machine of the present invention, both ends of the fixed roller and the movable roller are provided with fixed blocks, and each fixed block is provided with a sliding groove on the side near the pressure block. The sliding groove is provided with guide inclined sides on both sides, and the pressure block is provided with guide rails corresponding to the sliding groove on both sides.

[0008] According to the conveying device of the roller cleaning and screening machine of the present invention, the outer walls of the fixed roller and the movable roller are provided with roller sleeves, the two ends of the roller sleeves are provided with driven teeth, and the outer wall of the inner slide rail is provided with a rack that cooperates with the driven teeth. During the conveying process of the transmission chain, the driven teeth and the rack cooperate to drive the roller sleeve to rotate.

[0009] According to the roller washing and screening machine conveying device of the present invention, there are a plurality of guide parts, the distance between the bottom of each guide part and the inner slide rail gradually decreases, the bottom of the last guide part is in close contact with the top of the fixed block, and the top of the pressure block is rotatably connected to a roller.

[0010] According to the roller washing and screening machine conveying device of the present invention, a baffle is rotatably connected to the inner side of the fixed block, and two baffles on the same outer link are hinged to each other.

[0011] According to the roller washing and screening machine conveying device of the present invention, the bottom of the roller conveying mechanism is provided with a water collection tank, the bottom of the roller conveying mechanism is provided with a water guide plate corresponding to the water collection tank, the part of the roller conveying mechanism located at the front end of the guide part is a washing zone, and the top of the washing zone is provided with a high-pressure rinsing head for rinsing the products in the washing zone.

[0012] According to the roller cleaning and screening machine conveying device of the present invention, the main frame is provided with a cover plate, the high-pressure flushing head is disposed inside the cover plate, and the cover plate and the main frame are driven to move up and down by a lifting component.

[0013] According to the roller washing and screening machine conveying device of the present invention, the side plate is provided with a discharge port corresponding to the guide part, the discharge port is located in the middle of the transmission chain, and the tail end of the roller conveying mechanism is provided with a screen material outlet.

[0014] According to the roller washing and screening machine conveying device of the present invention, the two ends of the transmission roller are provided with transmission gears that cooperate with the transmission chain, and one end of the side plate is fixedly provided with a drive motor that drives the transmission roller to rotate.

[0015] This invention provides a roller washing and screening machine conveying device, comprising: a main frame and a roller conveying mechanism disposed on the main frame. The roller conveying mechanism conveys agricultural products and simultaneously washes the products through a high-pressure rinsing head inside a cover plate, guiding the washed wastewater into a collection tank via a guide plate. The roller conveying mechanism includes two symmetrically arranged side plates, a drive roller rotatably connected to the inner sides of the two side plates, and a drive chain wound around both ends of the drive roller. Drive gears that cooperate with the drive chain are provided at both ends of the drive roller, and the rotation of the drive roller drives the drive chain. The transmission system utilizes a combination of fixed and movable rollers between two transmission chains. These rollers are driven by the transmission chains in a cyclical motion, thus moving the agricultural products at the top. The outer wall of each outer link of the transmission chain has a groove. The fixed rollers are fixed to these outer links, and the movable rollers are slidably connected to the grooves within them. This allows the movable rollers to slide within the grooves, adjusting the distance between the fixed and movable rollers to ensure proper size selection of the agricultural products. Adjacent movable and fixed rollers on two adjacent outer links are connected... A pressure block is provided to keep the movable roller and the fixed roller away from each other, ensuring that the distance between the movable roller and the fixed roller can be adjusted by the pressure block. A thrust spring is provided between the movable roller and the fixed roller on the same outer link, and the thrust spring provides a force to reset the pressure block upwards, thereby ensuring that the movable roller can be reset after adjustment. The side plate has an inner slide rail and an outer slide rail corresponding to the transmission line of the transmission chain. The transmission chain is located between the inner slide rail and the outer slide rail, ensuring that the movable roller and the fixed roller are transmitted between the inner slide rail and the outer slide rail. The top of the pressure block is always in contact with the inner slide rail. The inner side of the outer slide rail is provided with a guide portion for pressing down the pressure block. The position of the pressure block relative to the movable roller and the fixed roller is adjusted by the guide portion to ensure that the distance between the movable roller and the fixed roller is adjusted, thus ensuring the screening of agricultural products of different sizes. In summary, the technical effect of this invention is to provide a conveying structure with multi-level adjustable roller distance, ensuring the screening of agricultural products of different sizes after cleaning. At the same time, a baffle structure is also provided to ensure that the agricultural products are guided into the appropriate roller space, thus ensuring the reliability of agricultural product screening and cleaning. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the present invention; Figure 2 This is a three-dimensional structural diagram of the roller conveying mechanism of the present invention; Figure 3 This is a partial cross-sectional structural diagram of the roller conveying mechanism of the present invention; Figure 4 yes Figure 2Enlarged structural diagram of section A; Figure 5 This is a schematic diagram of the three-dimensional structure of part of the transmission chain of the present invention; Figure 6 This is a three-dimensional structural diagram of the side plate portion of the present invention; Figure 7 This is a schematic diagram of the three-dimensional structure of the pressing block of the present invention; Figure 8 This is a schematic diagram of the three-dimensional structure of the outer link of the present invention; In the diagram, 1-main frame, 2-roller conveyor mechanism, 21-drive motor, 22-side plate, 221-rack, 222-outer slide rail, 223-first-stage guide, 224-second-stage guide, 23-transmission roller, 24-fixed roller, 25-transmission chain, 251-inner link, 252-outer link, 2521-slide groove, 2523-baffle hole, 26-baffle, 27-pressure block, 271-roller, 272-guide rail, 28-thrust spring, 29-movable roller, 291-fixed block, 292-driven tooth, 293-roller sleeve, 3-cover plate, 4-water collection trough, 5-water guide plate, 6-base, 7-discharge port, 8-water inlet pipe. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely for explaining the invention and are not intended to limit the invention.

[0018] See Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 and Figure 8This invention provides a roller washing and screening machine conveying device, which includes a main frame 1 and a roller conveying mechanism 2 mounted on the main frame 1. A base 6 is provided at the bottom of the main frame to fix the device to the ground. The roller conveying mechanism 2 conveys agricultural products, while simultaneously rinsing the products through a high-pressure rinsing head inside a cover plate 3. The rinsed wastewater is then guided into a water collection tank 4 through a water guide plate 5. The roller conveying mechanism 2 includes two symmetrically arranged side plates 22, a drive roller 23 rotatably connected to the inner sides of the two side plates 22, and a drive chain 25 wound around both ends of the drive roller 23. The drive chain 25 consists of an inner chain... Link 251 and outer link 252 cooperate to form a chain. At both ends of the transmission roller 23, there are transmission gears that cooperate with the transmission chain 25. The rotation of the transmission roller 23 drives the transmission chain 25. Several fixed rollers 24 and movable rollers 29 are provided between the two transmission chains 25. The transmission chain 25 drives the fixed rollers 24 and movable rollers 29 in a cyclic transmission, thereby driving the agricultural products at the top. The outer link 252 of the transmission chain 25 has a groove 2521 on its outer wall. The fixed rollers 24 are fixed to the outer link 252, and the movable rollers 29 are slidably connected inside the groove 2521 of the outer link 252, ensuring... The movable roller 29 can slide inside the chute 2521 to adjust the distance between the fixed roller 24 and the movable roller 29, ensuring the size screening of agricultural products. A pressure block 27 is provided between adjacent movable rollers 29 and fixed rollers 24 on two adjacent outer links 252 to keep them apart, ensuring the distance between them can be adjusted via the pressure block 27. A thrust spring 28 is provided between the movable roller 29 and fixed roller 24 on the same outer link 252, providing a force to return the pressure block 27 upwards, thus ensuring the movable roller 29 can be reset after adjustment. The side plate 22 is provided with an inner slide rail and an outer slide rail 222, which are corresponding to the transmission line of the transmission chain 25. The transmission chain 25 is located between the inner slide rail and the outer slide rail 222 to ensure that the movable roller 29 and the fixed roller 24 are transmitted between the inner slide rail and the outer slide rail 222. The top of the pressing block 27 is always in contact with the inner side of the outer slide rail 222. The inner side of the outer slide rail 222 is provided with a guide part to press the pressing block 27 down. The position of the pressing block 27 relative to the movable roller 29 and the fixed roller 24 is adjusted by the guide part to ensure that the distance between the movable roller 29 and the fixed roller 24 is adjusted to ensure that agricultural products of different sizes can be screened.

[0019] See Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 7Preferably, both ends of the fixed roller 24 and the movable roller 29 of the present invention are provided with fixed blocks 291. Each fixed block 291 has a groove 2521 on the side adjacent to the pressure block 27. Guide inclined edges are provided on both sides of the groove 2521. Guide rails 272, corresponding to the groove 2521, are provided on both sides of the pressure block 27. When the pressure block 27 is pressed down, the two fixed blocks 291 are pressed outwards by the cooperation of the pressure block and the guide inclined edges, thereby achieving the pressing of the two fixed blocks 291. For position adjustment, both the fixed roller 24 and the movable roller 29 are provided with roller sleeves 293 on their outer walls. The roller sleeves 293 are provided with driven teeth 292 at both ends. The outer wall of the inner slide rail is provided with a rack 221 that cooperates with the driven teeth 292. During the conveying process of the transmission chain 25, the driven teeth 292 and the rack 221 cooperate to drive the roller sleeves 293 to rotate, thereby ensuring that the roller sleeves 293 can rotate freely, turning over the agricultural products and achieving thorough cleaning of the agricultural products.

[0020] Furthermore, the present invention provides several guide sections. In this embodiment, two levels of guide sections are provided: a primary guide section 223 and a secondary guide section 224. The distance between the secondary guide section 224 and the fixed block 291 is less than the distance between the primary guide section 223 and the fixed block 291. Simultaneously, under the action of the transmission chain 25, the pressing block 27 sequentially passes through the washing zone, the primary guide section 223, and the secondary guide section 224, ensuring that the distance between the bottom of each guide section and the inner slide rail gradually decreases until the bottom of the last guide section is in close contact with the top of the fixed block 291. This ensures that when the movable roller 29 screens agricultural products, the size of the screened agricultural products gradually increases. To ensure sufficient screening of agricultural products, the top of the pressing block 27 is rotatably connected to a roller 271, reducing the friction between the pressing block 27 and the outer slide rail 222. Simultaneously, an anti-slip structure can be provided at the bottom of the fixed block 291 to further reduce the friction between the fixed block 291 and the inner slide rail, increasing its service life. A baffle 26 is rotatably connected to the inner side of the fixed block 291, and the baffle 26 is connected to the baffle hole 2523 on the fixed block 291. Two baffles 26 on the same outer link 252 are hinged to each other. This ensures that agricultural products are concentrated between the movable roller 29 (which does not have a baffle 26) and the fixed roller 24, preventing insufficient screening of agricultural products during screening.

[0021] Furthermore, the bottom of the roller conveyor mechanism 2 of the present invention is provided with a water collection tank 4, and the bottom of the roller conveyor mechanism 2 is provided with a water guide plate 5 corresponding to the water collection tank 4. The part of the roller conveyor mechanism 2 located at the front end of the guide section is a cleaning area. The top of the cleaning area is provided with a high-pressure rinsing head for rinsing the products in the cleaning area. The main frame 1 is provided with a cover plate 3, and the high-pressure rinsing head is located inside the cover plate 3. The cover plate 3 and the main frame 1 are driven to lift and lower through a lifting component.

[0022] Even better, the side plate 22 of the present invention is provided with a discharge port 7 corresponding to the guide portion. The discharge port 7 is located in the middle of the transmission chain 25 to ensure that during screening, the agricultural products that fall off the top of the roller conveyor mechanism 2 are discharged through the discharge port 7, thus completing the screening and discharge of products of different sizes. The tail of the roller conveyor mechanism 2 is provided with an oversize outlet to discharge larger products through the oversize outlet. Both ends of the transmission roller 23 are provided with transmission gears that cooperate with the transmission chain 25. One end of the side plate 22 is fixed with a drive motor 21 that drives the transmission roller 23 to rotate, thereby driving the transmission chain 25 to drive.

[0023] In this embodiment, combined with Figures 1-8 In use, agricultural products requiring cleaning and screening are placed at the feed end of the roller conveyor mechanism 2. Under the action of the baffle 26, the agricultural products are distributed only between the predetermined fixed rollers 24 and movable rollers 29. Driven by the drive motor 21, the movable rollers 29 and fixed rollers 24 are driven synchronously with the transmission chain 25. Simultaneously, under the action of the rack 221 and driven gear 292, the roller sleeve 293 rotates, flipping the agricultural products. When the products enter the cleaning area, the high-pressure cleaning head inside the cover plate 3 supplies water through the water inlet pipe 8, cleaning the agricultural products. The product is rinsed with high-pressure water. After rinsing, the movable roller 29 corresponding to the agricultural product enters the primary guide section 223. At this time, the pressure block 27 moves downward a certain distance, moving the corresponding movable roller 29, increasing the distance between the movable roller 29 and the fixed roller 24, and letting the smaller agricultural products fall to the bottom, so that they are discharged from the discharge port 7, completing the screening operation of the agricultural products. When the pressure block 27 moves to the tail of the guide section, the pressure block 27 is reset under the action of the thrust spring 28. The cycle repeats to complete the cleaning and screening operation of the agricultural products.

[0024] In summary, this invention provides a roller washing and screening machine conveying device, comprising: a main frame and a roller conveying mechanism disposed on the main frame. The roller conveying mechanism conveys agricultural products and simultaneously washes the products using a high-pressure rinsing head inside a cover plate, guiding the washed wastewater into a collection tank via a guide plate. The roller conveying mechanism includes two symmetrically arranged side plates, a drive roller rotatably connected to the inner sides of the two side plates, and a drive chain wound around both ends of the drive roller. Drive gears cooperating with the drive chain are provided at both ends of the drive roller, driving the roller to rotate. A drive chain provides power, with several fixed and movable rollers between two drive chains. The drive chain drives the fixed and movable rollers in a cyclical motion, thus moving the agricultural products at the top. The outer wall of each outer link of the drive chain has a groove. The fixed rollers are fixed to this outer link, and the movable rollers are slidably connected inside the groove, allowing them to slide within the groove and adjust the distance between the fixed and movable rollers. This ensures the size of the agricultural products can be sorted. Adjacent movable and fixed rollers on two adjacent outer links... A pressure block is provided between the levers to keep the movable and fixed rollers away from each other, ensuring that the distance between the movable and fixed rollers can be adjusted by the pressure block. A thrust spring is provided between the movable and fixed rollers on the same outer link, providing a force to reset the pressure block upwards, thus ensuring that the movable roller can be reset after adjustment. The side plate has an inner slide rail and an outer slide rail corresponding to the transmission line of the transmission chain. The transmission chain is located between the inner and outer slide rails, ensuring that the movable and fixed rollers are transmitted between the inner and outer slide rails. The top of the pressure block is always... The inner side of the outer slide rail is abutted against, and the inner side of the outer slide rail is provided with a guide part for pressing down the pressure block. The position of the pressure block relative to the movable roller and the fixed roller is adjusted by the guide part to ensure that the distance between the movable roller and the fixed roller is adjusted, so as to ensure that agricultural products of different sizes can be screened. In summary, the technical effect of the present invention is to set up a conveying structure in which the roller distance can be adjusted in multiple stages, so as to ensure that agricultural products of different sizes can be screened after the agricultural products are washed. At the same time, a baffle structure is also set up to ensure that the agricultural products are guided into the appropriate rollers, thus ensuring the reliability of agricultural product screening and washing.

[0025] Of course, the present invention may have other various embodiments. Without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and modifications according to the present invention, but these corresponding changes and modifications should all fall within the protection scope of the appended claims.

[0026] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

Claims

1. A conveying device for a roller washing and screening machine, characterized in that, include: The main frame and the roller conveying mechanism mounted on the main frame; The roller conveying mechanism includes two symmetrically arranged side plates, a transmission roller rotatably connected to the inner side of the two side plates, and a transmission chain wound around both ends of the transmission roller. A plurality of fixed rollers and movable rollers are provided between the two transmission chains. The outer wall of the outer link of the transmission chain is provided with a groove. The fixed rollers are fixed on the outer link. The movable rollers are slidably connected to the inside of the groove of the outer link. A pressure block is provided between adjacent movable rollers and fixed rollers on two adjacent outer links to keep the movable rollers and fixed rollers away from each other. A thrust spring is provided between the movable rollers and fixed rollers on the same outer link. The side plate is provided with an inner slide rail and an outer slide rail corresponding to the transmission line of the transmission chain. The transmission chain is located between the inner slide rail and the outer slide rail. The top of the pressure block is always in contact with the inner side of the outer slide rail. The inner side of the outer slide rail is provided with a guide part for pressing the pressure block down. Both ends of the fixed roller and the movable roller are provided with fixed blocks. Each fixed block has a groove on the side adjacent to the pressure block. Guide bevels are provided on both sides of the groove. Guide rails corresponding to the grooves are provided on both sides of the pressure block. There are several guide parts. The distance between the bottom of each guide part and the inner rail gradually decreases. The bottom of the last guide part is close to the top of the fixed block. A roller is rotatably connected to the top of the pressure block.

2. The conveying device for the roller washing and screening machine according to claim 1, characterized in that, Both the fixed roller and the movable roller are provided with roller sleeves on their outer walls. The roller sleeves are provided with driven teeth at both ends. The inner slide rail is provided with a rack that cooperates with the driven teeth on its outer wall. During the transmission chain conveying process, the driven teeth and the rack cooperate to drive the roller sleeves to rotate.

3. The conveying device for the roller washing and screening machine according to any one of claims 2, characterized in that, Each of the fixed blocks has a baffle rotatably connected to its inner side, and two baffles on the same outer link are hinged to each other.

4. The conveying device for the roller washing and screening machine according to claim 3, characterized in that, The bottom of the roller conveyor is provided with a water collection tank, and the bottom of the roller conveyor is provided with a water guide plate corresponding to the water collection tank. The part of the roller conveyor located at the front end of the guide section is a cleaning area, and the top of the cleaning area is provided with a high-pressure rinsing head for rinsing the products in the cleaning area.

5. The conveying device for the roller washing and screening machine according to claim 4, characterized in that, The main frame is provided with a cover plate, and the high-pressure flushing head is located inside the cover plate. The cover plate and the main frame are driven to move up and down by a lifting component.

6. The conveying device for the roller washing and screening machine according to claim 3, characterized in that, The side plate is provided with a discharge port corresponding to the guide part. The discharge port is located in the middle of the transmission chain. The tail end of the roller conveyor is provided with a screen material outlet.

7. The conveying device for the roller washing and screening machine according to claim 3, characterized in that, The transmission roller is provided with transmission gears at both ends that cooperate with the transmission chain, and a drive motor for driving the transmission roller to rotate is fixed at one end of the side plate.

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