A hopper washer with automatic cap taking mechanism

Abstract

The utility model relates to the technical field of hopper cleaning machine, especially a hopper cleaning machine with automatic cover taking mechanism, including support frame, feeding frame, feeding roller, hopper support, hopper body, hopper cover and guide shaft etc., the feeding frame is fixed in the lower side in support frame, a plurality of feeding rollers are rotationally connected to feeding frame along the lateral interval, and feeding frame and a plurality of feeding rollers constitute feeding assembly, and the hopper support is placed on the feeding roller of feeding assembly, the guide shaft is rotationally connected in four corner places of hopper support bottom, and the side wall of feeding frame forms rolling fit with guide shaft. The mechanical cooperation of the device through the conveying belt and the hook realizes the automatic grabbing and removal of the hopper cover, after the hopper body is in position, the top rod rises and lifts the hopper cover, makes the hook hang into the conveying belt of continuous operation, and then the hopper cover is conveyed out the cleaning station by the conveying belt automatically, does not need manual intervention, and the automation degree and continuity of the cover taking process are improved significantly.

Description

Technical Field

[0001] This utility model relates to the technical field of hopper cleaning machines, and in particular to a hopper cleaning machine with an automatic lid removal mechanism. Background Technology

[0002] In the pharmaceutical, food, and chemical industries, hoppers are critical containers for storing and transferring granular, powdered, and liquid materials. To ensure product quality and production safety, hoppers and their lids must be thoroughly cleaned after each use.

[0003] Currently, hopper cleaning, especially the opening of the hopper lid, still relies heavily on manual operation. Operators must manually open the hopper lid and set it aside before cleaning the hopper itself. This traditional method has many drawbacks: First, manual lid removal is inefficient and labor-intensive, making it difficult to keep up with the pace of modern continuous production; second, manual operation increases the frequency of personnel contact with equipment, introducing the risk of human contamination in environments with high cleanliness requirements; finally, the integration of manual lid removal with automated cleaning equipment is low, failing to form a complete automated cleaning production line, thus becoming a bottleneck for improving overall cleaning efficiency.

[0004] To address the aforementioned issues, the industry urgently needs a mechanism that can be integrated into cleaning equipment and automatically complete the hopper lid removal operation without manual intervention. Utility Model Content

[0005] In order to overcome the shortcomings mentioned in the background art, this utility model provides a hopper cleaning machine with an automatic lid removal mechanism.

[0006] The technical solution is as follows: A hopper cleaning machine with an automatic lid removal mechanism includes a support frame, a feeding frame, feeding rollers, a hopper support, a hopper body, a hopper lid, a guide shaft, a lifting and cleaning assembly, a drive motor, pulleys, a conveyor belt, and hooks. The feeding frame is fixedly mounted on the lower inner side of the support frame. Several feeding rollers are rotatably connected to the feeding frame at lateral intervals. The feeding frame and the feeding rollers together constitute the feeding assembly. The hopper support is placed on the feeding rollers of the feeding assembly. Guide shafts are rotatably connected to the four corners of the bottom of the hopper support via pins. The guide shafts form a rolling fit with the side walls of the feeding frame. The hopper body is fixedly installed on the hopper support. The top of the hopper body... The hopper is detachably snapped with a hopper cover. Two oppositely positioned hooks are fixed to the top of the hopper cover. The hopper support, hopper body, hopper cover, and hooks together constitute the hopper assembly. A rotating shaft is symmetrically connected to the upper part of the support frame. A drive motor is fixedly mounted on the support frame. The output shaft of the drive motor is coaxially fixed to the front end of the right rotating shaft. Both ends of the two rotating shafts are connected to pulleys. Conveyor belts are wound between the two pulleys on the rear side and between the two pulleys on the front side. The positions of the two conveyor belts correspond one-to-one with the two hooks on the hopper cover. The conveyor belts can hang the hopper cover by cooperating with the hooks. A lifting and cleaning assembly is provided on the support frame.

[0007] Furthermore, the outer periphery of the feeding roller is wrapped with a layer of silicone buffer.

[0008] Furthermore, the slanted structure at the top of the hook has a smooth, rounded transition surface.

[0009] Furthermore, the conveyor belt is made of polyurethane.

[0010] Furthermore, the lifting and cleaning assembly includes a connecting plate, a threaded sleeve, a threaded tube, a guide rod, a rotating cylinder, high-pressure nozzles, top rods, and a drive assembly. A connecting plate is fixedly connected to the bottom center of the support frame. A threaded sleeve is rotatably connected through the center of the connecting plate. A threaded groove is opened inside the threaded sleeve. A threaded tube is threadedly connected to the threaded sleeve through the threaded groove. The top of the threaded tube passes through the top of the connecting plate and is fixedly connected to the rotating cylinder. The threaded tube and the rotating cylinder are interconnected. Several high-pressure nozzles are evenly spaced and fixedly connected to the outer circumferential wall of the rotating cylinder. A guide rod is fixedly connected to the upper front side of the rotating cylinder. The guide rod passes through the connecting plate vertically. Several top rods are fixedly connected to the top of the rotating cylinder at circumferential intervals. The top rods form a contact fit with the hopper cover of the hopper assembly. A drive assembly is provided on the connecting plate.

[0011] Furthermore, the drive assembly includes a servo motor, a drive gear, and a driven gear. The servo motor is mounted on the rear bottom side of the connecting plate. The output shaft of the servo motor passes through the inside of the connecting plate and is coaxially connected to the drive gear. The driven gear is connected to the outer side of the upper part of the threaded sleeve. The driven gear and the drive gear mesh with each other.

[0012] Beneficial effects: 1. This device achieves automatic grabbing and removal of hopper lids through the mechanical cooperation of the conveyor belt and hooks. After the hopper body is in place, the top rod rises to lift the hopper lid, so that the hooks are engaged in the continuously running conveyor belt. Then the conveyor belt automatically transports the hopper lid out of the cleaning station without manual intervention, which significantly improves the automation and continuity of the lid removal process.

[0013] 2. The lifting and cleaning assembly is equipped with circumferentially arranged high-pressure nozzles and can move up and down. During cleaning, the rotating cylinder extends into the inner cavity of the hopper body, and high-pressure water is sprayed evenly from multiple high-pressure nozzles, covering the entire inner wall. The vertical reciprocating motion of the spraying system ensures cleaning without dead angles, effectively improving cleaning quality and efficiency.

[0014] 3. The hopper support is rolled in conjunction with the feeding frame through the guide shaft and the feeding roller assists in the transfer. This can strictly limit the movement trajectory of the hopper component, prevent it from falling off the feeding component, and ensure that the hopper body is accurately aligned with the cleaning station, providing a stable foundation for the smooth operation of subsequent cleaning and cap removal. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a three-dimensional structural diagram of the support frame, feeding frame, and feeding roller of this utility model.

[0017] Figure 3 This is a three-dimensional structural diagram of the threaded sleeve, threaded pipe, and high-pressure nozzle components of this utility model.

[0018] Figure 4 This is a three-dimensional structural diagram of the drive motor, pulley, and conveyor belt components of this utility model.

[0019] Figure 5 This is a schematic diagram of the planar structure of the pulley, conveyor belt, and hook components of this utility model.

[0020] Figure 6 This is a schematic diagram of the planar structure of the hopper cover, conveyor belt, and hook components of this utility model.

[0021] The components in the diagram are labeled as follows: 1-Support frame, 2-Feeding frame, 3-Feeding roller, 4-Hopper support, 5-Hopper body, 6-Hopper cover, 7-Guide shaft, 8-Connecting plate, 9-Threaded sleeve, 10-Threaded pipe, 101-Guide rod, 102-Rotating cylinder, 11-High-pressure nozzle, 12-Servo motor, 13-Drive gear, 14-Driven gear, 15-Top rod, 16-Drive motor, 17-Pulley, 18-Conveyor belt, 19-Hook. Detailed Implementation

[0022] Example: A hopper washing machine with an automatic lid removal mechanism, such as Figures 1-6 As shown, the assembly includes a support frame 1, a feeding frame 2, feeding rollers 3, a hopper support 4, a hopper body 5, a hopper cover 6, a guide shaft 7, a lifting and cleaning assembly, a drive motor 16, a pulley 17, a conveyor belt 18, and a hook 19. The feeding frame 2 is horizontally fixed to the lower inner side of the support frame 1. Several feeding rollers 3 are rotatably connected to the feeding frame 2 at lateral intervals. The feeding frame 2 and the feeding rollers 3 together constitute the feeding assembly. The hopper support 4 is placed on the feeding rollers 3 of the feeding assembly. Guide shafts 7 are rotatably connected to the four corners of the bottom of the hopper support 4 via pins. The guide shafts 7 form a rolling fit with the sidewalls of the feeding frame 2. To limit the movement trajectory of the hopper support 4 and prevent it from detaching from the feeding assembly, a silicone buffer layer is wrapped around the outer periphery of the feeding roller 3 to reduce hard collisions between the hopper support 4 and the feeding roller 3 during transport, thus preventing component wear. The hopper body 5 is fixedly installed on the hopper support 4, and a hopper cover 6 is detachably snapped onto the top of the hopper body 5. Two opposing hooks 19 are fixedly attached to the top of the hopper cover 6 along the front-back direction. The hopper support 4, hopper body 5, hopper cover 6, and hooks 19 together constitute the hopper assembly, which is the core component to be cleaned. The upper part of the support frame 1 is symmetrically connected to the hopper support 4 via bearings. A drive motor 16 is bolted to the front of the right-side rotating shaft on the support frame 1. The output shaft of the drive motor 16 is coaxially fixed to the front end of the right-side rotating shaft. Pulleys 17 are fixedly connected to the front and rear ends of both rotating shafts. Conveyor belts 18 are wound between the two rear pulleys 17 and between the two front pulleys 17. The positions of the two conveyor belts 18 correspond one-to-one with the two hooks 19 on the hopper cover 6. The upper part of the hook 19 is designed with an inclined structure. The conveyor belts 18 can hang the hopper cover 6 by cooperating with the hooks 19, thereby realizing the automatic cover removal action. The upper sloping structure has a smooth arc transition surface, which can greatly reduce the friction and impact force during the contact and pushing process between the hook 19 and the conveyor belt 18, making the hooking action smoother and more stable, effectively avoiding the problem of component damage or excessive noise caused by jamming or rigid collision. The conveyor belt 18 is made of polyurethane, which has excellent elasticity, wear resistance and corrosion resistance, ensuring that the conveyor belt 18 can deform sufficiently when it contacts the hook 19 so that the hook 19 can be hooked in smoothly, and then effectively rebound to achieve reliable loading. The support frame 1 is equipped with a lifting and cleaning component for rinsing and cleaning the hopper body 5.

[0023] like Figures 2-3As shown, the lifting and cleaning assembly includes a connecting plate 8, a threaded sleeve 9, a threaded pipe 10, a guide rod 101, a rotating cylinder 102, high-pressure nozzles 11, a top rod 15, and a drive assembly. A connecting plate 8 is fixedly connected to the center of the bottom of the support frame 1. A threaded sleeve 9 is rotatably connected through the center of the connecting plate 8. A threaded groove is formed inside the threaded sleeve 9, and the threaded pipe 10 is threadedly connected to the threaded sleeve 9 through the threaded groove. The top of the threaded pipe 10 passes through the top of the connecting plate 8 and is fixedly connected to the rotating cylinder 102. The threaded pipe 10 and the rotating cylinder 102 are interconnected, forming a channel for conveying clean water. Several high-pressure nozzles 11 are evenly spaced and fixedly arranged along the circumferential direction on the outer periphery of the rotating cylinder 102. The nozzle faces the radial outer side of the rotating cylinder 102 to ensure that the cleaning water can cover the inner wall of the hopper body 5. A guide rod 101 is welded to the upper front side of the rotating cylinder 102. The guide rod 101 passes through the connecting plate 8 in the vertical direction to guide and limit the lifting and lowering movement of the threaded tube 10 and the rotating cylinder 102. Four push rods 15 are welded circumferentially at intervals on the top of the rotating cylinder 102. The upper part of the push rod 15 is set as an outward inclined structure. The push rod 15 can form a contact fit with the hopper cover 6 of the hopper assembly to push the hopper cover 6 away from the hopper body 5. A drive assembly is provided on the connecting plate 8 to drive the threaded sleeve 9 to rotate, thereby driving the threaded tube 10 and the rotating cylinder 102 to rise and fall.

[0024] like Figure 3 As shown, the drive assembly includes a servo motor 12, a drive gear 13, and a driven gear 14. The servo motor 12 is mounted on the bottom rear side of the connecting plate 8 by bolts. The output shaft of the servo motor 12 passes through the interior of the connecting plate 8 and is coaxially connected to the drive gear 13. The driven gear 14 is keyed to the upper part of the threaded sleeve 9. The driven gear 14 and the drive gear 13 mesh with each other.

[0025] In industries with stringent hygiene requirements, such as pharmaceuticals and food, hoppers are core containers used for storing and transferring granular, powdery, liquid, or semi-fluid materials, and are also the direct objects of this cleaning machine. During cleaning, an external water supply line is connected to the bottom port of the threaded pipe 10 to provide a clean water source. Then, the hopper components to be cleaned are placed one by one on the feeding roller 3 of the feeding component. The guide shaft 7 at the bottom of the hopper support 4 forms a rolling fit with the front and rear side walls of the feeding frame 2 to ensure the stability of the hopper component's movement trajectory. The hopper components are moved to the right along the feeding roller 3 under the drive of the external power. The feeding roller 3 rotates synchronously to assist the hopper components in moving smoothly. When the hopper body 5 in the hopper component is moved to the cleaning station that is precisely aligned with the axis of the rotating cylinder 102, the hopper component stops moving.

[0026] At this point, the servo motor 12 is activated. The output shaft of the servo motor 12 rotates, driving the drive gear 13 to rotate synchronously. Through the meshing transmission between the drive gear 13 and the driven gear 14, power is transmitted to the threaded sleeve 9, driving the threaded sleeve 9 to rotate around its own axis. Since the threaded sleeve 9 is threadedly engaged with the threaded tube 10, and the guide rod 101 guides and limits the threaded tube 10, the rotation of the threaded sleeve 9 is converted into the vertical lifting and lowering motion of the threaded tube 10, which in turn drives the rotating cylinder 102, the high-pressure nozzle 11, and the push rod 15 synchronously. As the rotating cylinder 102 moves upward, it gradually extends into the inner cavity of the hopper body 5. At this time, the valve of the external water supply pipeline is opened, and clean water is transported to the inside of the rotating cylinder 102 through the threaded pipe 10. Then, it is sprayed out directionally through several high-pressure nozzles 11. Since the high-pressure nozzles 11 are evenly distributed around the circumference of the rotating cylinder 102, the clean water can be evenly sprayed onto the inner wall of the hopper body 5, achieving preliminary rinsing. The push rod 15 moves upward synchronously with the rotating cylinder 102. When the push rod 15 contacts the bottom of the hopper cover 6, it holds... As the hopper cover 6 continues to move upward, the hook 19 on top of the hopper cover 6 rises along with it until it contacts the conveyor belt 18. As the hook 19 continues to move upward, its inclined structure continuously pushes the conveyor belt 18 outward. When the inclined structure of the hook 19 completely passes the conveyor belt 18, the conveyor belt 18 recovers its deformation and returns to its original position using its own elasticity. At this time, the inclined structure of the hook 19 is engaged above the conveyor belt 18. Then, the output shaft of the servo motor 12 is controlled to rotate in the opposite direction, driving the threaded sleeve 9. The reverse rotation causes the threaded pipe 10, rotating cylinder 102, high-pressure nozzle 11, and push rod 15 to move downwards synchronously. The push rod 15 disengages from the hopper cover 6, and the hopper cover 6 is stably suspended on the conveyor belt 18 via the hook 19. At the same time, the drive motor 16 is started, and the output shaft of the drive motor 16 rotates, driving the pulley 17 and the conveyor belt 18 to rotate. The conveyor belt 18 drives the hopper cover 6 to the right cleaning station via the hook 19 for subsequent material retrieval, thus completing the automatic hopper cover retrieval.

[0027] During the cleaning process of the hopper body 5, the output shaft of the servo motor 12 is continuously controlled to move back and forth, driving the threaded pipe 10, the rotating cylinder 102 and the high-pressure nozzle 11 to move up and down within the vertical range of the inner cavity of the hopper body 5. The high-pressure nozzle 11 continuously sprays cleaning water to thoroughly rinse different height positions inside the inner cavity of the hopper body 5, ensuring that there are no dead corners in the cleaning. After the preset cleaning time is reached, the valve of the external water supply pipeline is closed, and the threaded pipe 10 and the rotating cylinder 102 are driven downward by the servo motor 12 until the rotating cylinder 102 completely exits the inner cavity of the hopper body 5. The cleaned hopper assembly continues to be moved to the right and exits the cleaning station. At the same time, the next hopper assembly to be cleaned is moved to the cleaning station simultaneously. During this process, the conveyor belt 18 keeps running continuously, and the hook 19 drives the removed hopper cover 6 to move to the right for subsequent collection and processing of the hopper cover 6, so as to realize the continuity of the cleaning process.

Claims

1. A hopper washing machine with an automatic lid-removing mechanism, characterized in that, The assembly includes a support frame (1), a feeding frame (2), feeding rollers (3), a hopper support (4), a hopper body (5), a hopper cover (6), a guide shaft (7), a lifting and cleaning assembly, a drive motor (16), a pulley (17), a conveyor belt (18), and a hook (19). The feeding frame (2) is fixedly mounted on the lower inner side of the support frame (1). Several feeding rollers (3) are rotatably connected to the feeding frame (2) at horizontal intervals. The feeding frame (2) and the feeding rollers (3) together constitute the feeding assembly. The hopper support (4) is placed on the feeding rollers (3) of the feeding assembly. The four corners of the bottom of the hopper support (4) are rotatably connected to the guide shafts (7) through pins. The guide shafts (7) form a rolling fit with the side wall of the feeding frame (2). The hopper body (5) is fixedly installed on the hopper support (4). The hopper cover is detachably snapped onto the top of the hopper body (5). The top of the hopper cover (6) is fixed with two hooks (19) set opposite to each other. The hopper bracket (4), hopper body (5), hopper cover (6) and hooks (19) together constitute the hopper assembly. The upper part of the support frame (1) is symmetrically connected to the rotating shaft. The support frame (1) is fixedly mounted with a drive motor (16). The output shaft of the drive motor (16) is coaxially fixed to the front end of the right rotating shaft. Both ends of the two rotating shafts are connected to pulleys (17). Conveyor belts (18) are wound between the two pulleys (17) on the rear side and between the two pulleys (17) on the front side. The positions of the two conveyor belts (18) correspond one-to-one with the two hooks (19) on the hopper cover (6). The conveyor belts (18) can hang the hopper cover (6) by cooperating with the hooks (19). The support frame (1) is equipped with a lifting and cleaning assembly.

2. A hopper washing machine with an automatic lid-removing mechanism according to claim 1, characterized in that, The outer wall of the feeding roller (3) is covered with a layer of silicone buffer.

3. A hopper washing machine with an automatic lid-removing mechanism according to claim 2, characterized in that, The slanted structure at the top of the hook (19) is a smooth arc transition surface.

4. A hopper washing machine with an automatic lid-removing mechanism according to claim 3, characterized in that, The conveyor belt (18) is made of polyurethane.

5. A hopper washing machine with an automatic cap removal mechanism according to claim 4, characterized in that, The lifting and cleaning assembly includes a connecting plate (8), a threaded sleeve (9), a threaded pipe (10), a guide rod (101), a rotating cylinder (102), a high-pressure nozzle (11), a top rod (15), and a drive assembly. The connecting plate (8) is fixedly connected to the bottom center of the support frame (1). The threaded sleeve (9) is rotatably connected through the middle of the connecting plate (8). The threaded sleeve (9) has a threaded groove inside. The threaded sleeve (9) is threadedly connected to the threaded pipe (10) through the threaded groove. The top end of the threaded pipe (10) passes through the top of the connecting plate (8) and is fixedly connected to the rotating cylinder. The moving cylinder (102), the threaded pipe (10) and the rotating cylinder (102) are interconnected. Several high-pressure nozzles (11) are evenly spaced and fixed to the outer wall of the rotating cylinder (102) along the circumferential direction. A guide rod (101) is fixed to the upper front side of the rotating cylinder (102). The guide rod (101) passes through the connecting plate (8) in the vertical direction. Several top rods (15) are fixedly connected to the top of the rotating cylinder (102) along the circumferential direction. The top rods (15) form a contact fit with the hopper cover (6) of the hopper assembly. A drive assembly is provided on the connecting plate (8).

6. A hopper washing machine with an automatic cap removal mechanism according to claim 5, characterized in that, The drive assembly includes a servo motor (12), a drive gear (13), and a driven gear (14). The servo motor (12) is mounted on the bottom rear side of the connecting plate (8). The output shaft of the servo motor (12) passes through the interior of the connecting plate (8) and is coaxially connected to the drive gear (13). The driven gear (14) is connected to the upper outer side of the threaded sleeve (9). The driven gear (14) and the drive gear (13) mesh with each other.

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