A high-speed vision-based particle counting and feeding machine
By using a flow-limiting plate and a height-limiting rotating rod structure, the counting error problem caused by multiple materials passing through simultaneously is solved in the high-speed vision-based particle counting and feeding machine, achieving accurate counting and efficient production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WENZHOU LONG TERM AUTOMATION EQUIP CO LTD
- Filing Date
- 2026-07-06
- Publication Date
- 2026-07-31
AI Technical Summary
Existing vision-based particle counting and feeding machines operate at high speeds, but the fixed width of the material conveying channel causes multiple materials to pass through the vision sensor simultaneously, resulting in counting errors. This is especially problematic when the quantity is close to the target, as the material cannot be accurately distinguished, affecting packaging accuracy and production efficiency.
The system employs a flow-limiting plate and a height-limiting rotating rod structure. The flow-limiting plate is controlled by a drive device to switch between an avoidance position and a flow-limiting position to ensure that materials pass through in a single line. Combined with a vision device, materials are counted one by one, and the height-limiting rotating rod is used to move the materials to avoid stacking, thus achieving dual flow restriction in both height and width.
It improves the accuracy and production efficiency of high-speed counting, reduces overcounting and undercounting, and enhances the equipment's adaptability to different material sizes.
Smart Images
Figure CN224576956U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a feeding machine, specifically a high-speed vision counting and feeding machine. Background Technology
[0002] A vision-based particle counting and feeding machine is a device that uses visual recognition technology to automatically count and feed materials. It is widely used in material packaging and counting processes in industries such as pharmaceuticals, food, and electronics. Its basic principle is to install visual sensors above the material conveying channel to identify and count each passing material. Feeding stops once a set quantity is reached, achieving accurate packaging of batches of materials.
[0003] In existing vision-based particle counting and feeding machines, the material conveying channel typically maintains a fixed width under high-speed operation. When the count approaches the target quantity, due to the wider channel, multiple materials may simultaneously pass through the detection area of the vision sensor. This causes the sensor to be unable to accurately distinguish the number of individual materials, resulting in counting errors such as over-counting and under-counting, which affects the packaging accuracy. Especially in the final stage near the target quantity, if multiple materials simultaneously flood into the detection area and enter the discharge port, even if the sensor detects over-counting, it is impossible to reverse the flow, and the entire batch must be discarded and recounted, reducing production efficiency. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a high-speed vision counting and feeding machine.
[0005] To achieve the above objectives, this utility model provides the following technical solution: It includes a material conveying device, a conveyor belt, a flow restrictor, a driving device, and a vision device. The material conveying device has a material conveying state that transports materials to the beginning of the conveyor belt. The flow restrictor is disposed on the side of the conveyor belt and is driven to rotate by the driving device. The flow restrictor has a clearance position and a flow-limiting position. The clearance position is where a channel width is formed between the flow restrictor and the conveyor belt, allowing a batch of materials to pass through. The flow-limiting position is where the flow restrictor moves towards the conveyor belt, narrowing the channel to allow only a single material to pass through. The vision device has a counting state that counts the materials located at the end of the conveyor belt.
[0006] By adopting the above technical solution, during operation, the material conveying device transports the material to the beginning of the conveyor belt. The material is conveyed forward along the conveyor belt, and the vision device counts the material at the end of the conveyor belt one by one. When the count reaches a preset threshold, the drive device drives the flow limiting plate to rotate from the avoidance position toward the conveyor belt to the flow limiting position, narrowing the channel to allow only a single material to pass through in sequence. By switching the flow limiting plate from the avoidance position to the flow limiting position when the count is close to the target, the channel is narrowed from allowing batch passage to single-row passage, effectively avoiding multiple materials from rushing into the detection area at the same time and causing overcounting, thus improving the high-speed counting accuracy.
[0007] The present invention is further configured such that: the driving device includes a flow-limiting seat, a transverse plate, a fixed rod, a rotating motor, a rotating rod, a slider, a linkage rod, a sliding track, and a track block. The flow-limiting seat is located on the side of the conveyor belt. The transverse plate is disposed on the flow-limiting seat and extends across the conveyor belt. The rotating motor is disposed on the flow-limiting seat and drives the rotating rod to rotate. The rotating rod is arranged along the transverse plate and drives the slider to move along the rotating rod. The sliding track is disposed on the flow-limiting plate and arranged along the flow-limiting plate. The track block is slidably disposed on the sliding track. One end of the linkage rod is disposed on the slider, and the other end is disposed on the track block. The fixed rod is disposed on the flow-limiting seat. The flow-limiting plate is rotatably disposed on the fixed rod. The rotating motor constitutes the rotation of the flow-limiting plate.
[0008] By adopting the above technical solution, during operation, the rotating motor drives the rotating rod to rotate, which in turn drives the slider to move along the transverse plate. The slider, through the linkage rod, drives the track block to slide along the sliding track. The movement of the track block drives the flow-limiting plate to rotate around the fixed rod, realizing the switching of the flow-limiting plate between the avoidance position and the flow-limiting position. Through the linkage mechanism composed of the rotating rod, slider, linkage rod and sliding track, the rotational motion of the rotating motor is converted into the pivoting motion of the flow-limiting plate. The transmission is smooth and reliable, and the sliding cooperation between the slider and the track block provides motion guidance, ensuring the accurate rotation of the flow-limiting plate.
[0009] The present invention is further configured to include a lifting block and a rotating handle. The flow limiting seat is disposed on the lifting block and the height of the lifting block is controlled by the rotating handle. The lifting of the lifting block is a conventional screw-driven raising or lowering, so it will not be described in detail.
[0010] By adopting the above technical solution, before operation, the lifting block is raised and lowered by rotating the handle. The lifting block drives the flow-limiting seat and the flow-limiting plate on it to rise and fall as a whole, adjusting the distance between the flow-limiting plate and the conveyor belt. The height of the flow-limiting plate can be adjusted by the lifting block and the rotating handle, so that the flow-limiting plate can be adapted to materials of different specifications, enhancing the equipment's adaptability to different material sizes.
[0011] The present invention is further configured to include a height limiting motor, a height limiting frame, and a height limiting rotating rod. The height limiting frame is located on both sides of the flow limiting plate. The height limiting motor is installed on the height limiting frame and drives the height limiting rotating rod to rotate. The height limiting rotating rod is positioned across the conveyor belt and forms a height limiting channel between itself and the conveyor belt for individual materials to pass through. When the height limiting rotating rod rotates, it pushes the material through the height limiting channel and pushes away the material stacked on the upper layer.
[0012] By adopting the above technical solution, during operation, the height-limiting motor drives the height-limiting rotating rod to rotate. During the rotation, the height-limiting rotating rod pushes the material to pass through the height-limiting channel. When materials are stacked, the height-limiting rotating rod pushes away the upper layer of materials, allowing only a single material at the bottom to pass through. Through the active pushing of the height-limiting rotating rod, both height-limiting screening of materials is achieved, and the material is provided with the power to pass through, avoiding material stagnation and blockage at the height-limiting channel. At the same time, stacked materials are actively separated. Combined with the width-direction flow restriction of the flow-limiting plate, dual flow restriction in height and width is achieved to ensure counting accuracy.
[0013] The present invention is further configured such that: the material conveying device includes a discharge hopper, a feeding belt, and a transfer belt; the discharge hopper is located at the starting end of the feeding belt and is used for placing materials; the feeding belt is arranged at an incline and conveys materials upward; the transfer belt is located between the feeding belt and the conveyor belt and conveys materials from the feeding belt to the conveyor belt; the end of the feeding belt is opposite to the starting end of the transfer belt and the height of the end of the feeding belt is higher than the height of the starting end of the transfer belt; the end of the transfer belt is opposite to the starting end of the conveyor belt and the height of the end of the transfer belt is higher than the height of the starting end of the conveyor belt.
[0014] By adopting the above technical solution, during operation, after the material is put into the discharge hopper, it falls to the starting end of the feeding belt. The feeding belt conveys the material upward along the inclined direction. Due to the height difference, the material falls to the starting end of the transfer belt at the end of the feeding belt. The transfer belt conveys the material to its end and then falls to the starting end of the conveyor belt due to the height difference. Through the three-stage conveying structure of the discharge hopper, feeding belt and transfer belt, the height difference between each stage is used to achieve the natural transition and dispersion of the material, avoid material accumulation, and ensure that the material enters the conveyor belt in a relatively uniform state, providing a stable material supply for subsequent flow restriction and counting.
[0015] The present invention is further configured to include a guide member, which is located at the end of the conveyor belt and there is a counting space between the guide member and the conveyor belt for the vision device to count. After the counting is completed, the bag behind the guide member used to hold the material can be replaced with a new one.
[0016] By adopting the above technical solution, during operation, the material is transported to the end of the conveyor belt. The guide component guides the material, and the vision device identifies and counts the material when it passes through the counting space between the guide component and the conveyor belt. The guide component forms a counting space at the end of the conveyor belt, so that the material presents a regular passage state when passing through the space, which makes it easier for the vision device to accurately capture and identify individual materials and reduce missed counts and miscounts. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the current limiting plate and driving device of this utility model; Figure 3This is a schematic diagram of the height restriction frame and related components of this utility model.
[0018] In the diagram: 1. Material conveying device; 11. Feeding hopper; 12. Feeding belt; 13. Transfer belt; 2. Conveyor belt; 3. Flow limiting plate; 4. Drive device; 41. Flow limiting seat; 411. Lifting block; 412. Rotating handle; 42. Horizontal plate; 43. Fixed rod; 44. Rotating motor; 45. Rotating rod; 46. Sliding block; 47. Linkage rod; 48. Sliding track; 49. Track block; 5. Vision device; 6. Height limiting motor; 7. Height limiting frame; 8. Height limiting rotating rod; 9. Guide component. Detailed Implementation
[0019] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model 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 this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0021] like Figure 1-3As shown, this utility model discloses a high-speed vision-based particle counting and feeding machine, including a material conveying device 1, a conveyor belt 2, a flow-limiting plate 3, a driving device 4, and a vision device 5. The material conveying device 1 has a material conveying state that transports materials to the starting end of the conveyor belt 2. The flow-limiting plate 3 is disposed on the side of the conveyor belt 2 and is driven to rotate by the driving device 4. The flow-limiting plate 3 has a clearance position and a flow-limiting position. The clearance position is when the flow-limiting plate 3 and the conveyor belt 2 form a channel width that allows a batch of materials to pass through. The flow-limiting position is when the flow-limiting plate 3 moves towards the conveyor belt 2, narrowing the channel to allow only a single material to pass through. The vision device 5 has a vision device located at the end of the conveyor belt 2. In the counting state of the material at the end, during operation, the material conveying device 1 transports the material to the starting end of the conveyor belt 2. The material is conveyed forward along the conveyor belt 2. The vision device 5 counts the material at the end of the conveyor belt 2 one by one. When the count reaches the preset threshold, the drive device 4 drives the flow limiting plate 3 to rotate from the avoidance position to the flow limiting position in the direction of the conveyor belt 2, narrowing the channel to allow only a single material to pass through in sequence. When the count approaches the target, the flow limiting plate 3 switches from the avoidance position to the flow limiting position, narrowing the channel from allowing batch passage to single-row passage, effectively avoiding multiple materials from rushing into the detection area at the same time and causing over-counting, thus improving the high-speed counting accuracy.
[0022] The driving device 4 includes a flow-limiting seat 41, a transverse plate 42, a fixed rod 43, a rotating motor 44, a rotating rod 45, a slider 46, a linkage rod 47, a sliding track 48, and a track block 49. The flow-limiting seat 41 is located on the side of the conveyor belt 2. The transverse plate 42 is set on the flow-limiting seat 41 and extends across the conveyor belt 2. The rotating motor 44 is set on the flow-limiting seat 41 and drives the rotating rod 45 to rotate. The rotating rod 45 is arranged along the transverse plate 42 and drives the slider 46 to move along the rotating rod 45. The sliding track 48 is set on the flow-limiting plate 3 and arranged along the flow-limiting plate 3. The track block 49 is slidably set on the sliding track 48. One end of the linkage rod 47 is set on the slider 46, and the other end is set on the track block 49. The fixed rod 43 is set on the flow-limiting seat 41. The flow-limiting plate 3 rotates. Mounted on the fixed rod 43, the rotating motor 44 causes the flow-limiting plate 3 to rotate. During operation, the rotating motor 44 drives the rotating rod 45 to rotate, and the rotating rod 45 drives the slider 46 to move along the transverse plate 42. The slider 46 drives the track block 49 to slide along the sliding track 48 through the linkage rod 47. The movement of the track block 49 causes the flow-limiting plate 3 to rotate around the fixed rod 43, realizing the switching of the flow-limiting plate 3 between the avoidance position and the flow-limiting position. Through the linkage mechanism composed of the rotating rod 45, the slider 46, the linkage rod 47 and the sliding track 48, the rotational motion of the rotating motor 44 is converted into the pivotal motion of the flow-limiting plate 3. The transmission is smooth and reliable, and the sliding cooperation between the slider 46 and the track block 49 provides motion guidance, ensuring the accurate rotation of the flow-limiting plate 3.
[0023] The system includes a lifting block 411 and a rotating handle 412. A flow-limiting seat 41 is mounted on the lifting block 411, and the height of the lifting block 411 is controlled by the rotating handle 412. The lifting and lowering of the lifting block 411 is achieved by a conventional screw, which will not be described in detail here. Before operation, the rotating handle 412 is rotated to control the lifting block 411. The lifting block 411 drives the flow-limiting seat 41 and the flow-limiting plate 3 mounted on it to rise and fall as a whole, adjusting the distance between the flow-limiting plate 3 and the conveyor belt 2. The height of the flow-limiting plate 3 is adjusted by the lifting block 411 and the rotating handle 412, so that the flow-limiting plate 3 can be adapted to materials of different specifications, enhancing the adaptability of the equipment to different material sizes.
[0024] It also includes a height-limiting motor 6, a height-limiting frame 7, and a height-limiting rotating rod 8. The height-limiting frame 7 is located on both sides of the flow-limiting plate 3. The height-limiting motor 6 is installed on the height-limiting frame 7 and drives the height-limiting rotating rod 8 to rotate. The height-limiting rotating rod 8 is horizontal across the conveyor belt 2 and forms a height-limiting channel between it and the conveyor belt 2 for individual materials to pass through. When the height-limiting rotating rod 8 rotates, it pushes the material through the height-limiting channel and pushes away the material stacked on top. During operation, the height-limiting motor 6 drives the height-limiting rotating rod 8 to rotate. During the rotation, the height-limiting rotating rod 8 pushes the material through the height-limiting channel. When materials are stacked, the height-limiting rotating rod 8 pushes away the material on top, allowing only the bottom layer of individual materials to pass through. Through the active pushing of the height-limiting rotating rod 8, both height screening of materials is achieved, and the power for materials to pass through is provided, avoiding material stagnation and blockage at the height-limiting channel. At the same time, it actively separates stacked materials. Combined with the width direction flow restriction of the flow-limiting plate 3, it achieves dual flow restriction of height and width, ensuring counting accuracy.
[0025] The material conveying device 1 includes a discharge hopper 11, a feeding belt 12, and a transfer belt 13. The discharge hopper 11 is located at the starting end of the feeding belt 12 and is used to place materials. The feeding belt 12 is arranged at an incline and conveys materials upward. The transfer belt 13 is located between the feeding belt 12 and the conveyor belt 2 and conveys materials from the feeding belt 12 to the conveyor belt 2. The end of the feeding belt 12 is opposite to the starting end of the transfer belt 13, and the height of the end of the feeding belt 12 is higher than the height of the starting end of the transfer belt 13. The end of the transfer belt 13 is opposite to the starting end of the conveyor belt 2, and the height of the end of the transfer belt 13 is higher than the height of the starting end of the conveyor belt 2. During operation, after the material is placed into the discharge hopper 11, it falls to the starting end of the feeding belt 12. The feeding belt 12 conveys the material upward along the inclined direction. Due to the height difference, the material falls to the starting end of the transfer belt 13 at the end of the feeding belt 12. The transfer belt 13 conveys the material to its end and then falls to the starting end of the conveyor belt 2 due to the height difference. Through the three-stage conveying structure of the discharge hopper 11, the feeding belt 12 and the transfer belt 13, the height difference between each stage is used to achieve the natural transition and dispersion of the material, avoid material accumulation, and ensure that the material enters the conveyor belt 2 in a relatively uniform state, providing a stable material supply for subsequent flow restriction and counting.
[0026] It also includes a guide 9, which is located at the end of the conveyor belt 2 and there is a counting space between the guide 9 and the conveyor belt 2 for the vision device 5 to count. After the counting is completed, the bag behind the guide 9 used to hold the material can be replaced with a new one. The corresponding devices are all conventional technologies on the market, and the operation will not be described in detail. When the material is transported to the end of the conveyor belt 2, the guide 9 guides the material. When the material passes through the counting space between the guide 9 and the conveyor belt 2, it is identified and counted by the vision device 5. The guide 9 forms a counting space at the end of the conveyor belt 2, so that the material presents a regular passage state when passing through the space, which makes it easier for the vision device 5 to accurately capture and identify individual materials and reduce missed counts and miscounts.
[0027] Working process: After the material is put into the feeding hopper 11, it falls onto the feeding belt 12. The feeding belt 12 conveys the material upwards to the end along an inclined direction. Due to the height difference, the material falls onto the transfer belt 13. The transfer belt 13 conveys the material to the end and then falls back to the beginning of the conveyor belt 2 due to the height difference. The material is then conveyed forward along the conveyor belt 2. The flow restriction plate 3 is initially in a clearance position, maintaining a channel width between itself and the conveyor belt 2 that allows batch materials to pass through. The material passes through in batches. At the same time, the height restriction motor 6 drives the height restriction rotating rod 8 to rotate, preventing the material from stacking. The vision device 5 counts the material passing through the counting space at the end of the conveyor belt 2. When the count reaches the preset threshold, the rotating motor 44 drives the rotating rod 45 to rotate. The rotating rod 45 drives the slider 46 to move along the transverse plate 42. The slider 46 drives the track block 49 to slide along the sliding track 48 through the linkage rod 47, driving the flow limiting plate 3 to pivot from the avoidance position to the flow limiting position around the fixed rod 43, narrowing the channel to allow only a single material to pass through in sequence. After the flow is limited, the materials pass through the counting space between the guide 9 and the conveyor belt 2 one by one. The vision device 5 completes the final count. After the target number is reached, the bag behind the guide 9 used to hold the material can be replaced with a new one for the next batch of material.
Claims
1. A high-speed vision particle counting feeder, characterized in that: The device includes a material conveying device (1), a conveyor belt (2), a flow restrictor (3), a drive device (4), and a vision device (5). The material conveying device (1) is in a material conveying state that transports materials to the beginning of the conveyor belt (2). The flow restrictor (3) is located on the side of the conveyor belt (2) and is driven to rotate by the drive device (4). The flow restrictor (3) has a clearance position and a flow restricting position. The clearance position is when the flow restrictor (3) and the conveyor belt (2) form a channel width that allows a batch of materials to pass through. The flow restricting position is when the flow restrictor (3) moves towards the conveyor belt (2) and narrows the channel to allow only a single material to pass through. The vision device (5) is in a counting state that counts the materials located at the end of the conveyor belt (2).
2. The high-speed vision particle counting and feeding machine according to claim 1, characterized in that: The driving device (4) includes a flow-limiting seat (41), a transverse plate (42), a fixed rod (43), a rotating motor (44), a rotating rod (45), a slider (46), a linkage rod (47), a sliding track (48), and a track block (49). The flow-limiting seat (41) is located on the side of the conveyor belt (2). The transverse plate (42) is set on the flow-limiting seat (41) and extends across the conveyor belt (2). The rotating motor (44) is set on the flow-limiting seat (41) and drives the rotating rod (45) to rotate. The rotating rod (45) moves along... A transverse plate (42) is arranged and drives the slider (46) to move along the rotating rod (45). A sliding track (48) is set on the flow limiting plate (3) and arranged along the flow limiting plate (3). A track block (49) is slidably set on the sliding track (48). One end of the linkage rod (47) is set on the slider (46) and the other end is set on the track block (49). A fixed rod (43) is set on the flow limiting seat (41). The flow limiting plate (3) is rotatably set on the fixed rod (43). A rotating motor (44) constitutes the rotation drive for the flow limiting plate (3).
3. The high-speed vision-based particle counting and feeding machine according to claim 2, characterized in that: It also includes a lifting block (411) and a rotating handle (412), with a flow-limiting seat (41) set on the lifting block (411) and the height of the lifting block (411) controlled by the rotating handle (412).
4. The high-speed vision particle counting and feeding machine according to claim 1, characterized in that: It also includes a height limiting motor (6), a height limiting frame (7) and a height limiting rotating rod (8). The height limiting frame (7) is located on both sides of the flow limiting plate (3). The height limiting motor (6) is set on the height limiting frame (7) and drives the height limiting rotating rod (8) to rotate. The height limiting rotating rod (8) is horizontal above the conveyor belt (2). A height limiting channel is formed between the height limiting rotating rod (8) and the conveyor belt (2) for individual materials to pass through. When the height limiting rotating rod (8) rotates, it pushes the material through the height limiting channel and pushes away the material stacked on the upper layer.
5. The high-speed vision particle counting and feeding machine according to claim 1, characterized in that: The material conveying device (1) includes a feeding hopper (11), a feeding belt (12), and a transfer belt (13). The feeding hopper (11) is located at the starting end of the feeding belt (12) and is used for placing materials. The feeding belt (12) is arranged at an incline and conveys the materials upward. The transfer belt (13) is located between the feeding belt (12) and the conveyor belt (2) and conveys the materials from the feeding belt (12) to the conveyor belt (2). The end of the feeding belt (12) is opposite to the starting end of the transfer belt (13) and the height of the end of the feeding belt (12) is higher than the height of the starting end of the transfer belt (13). The end of the transfer belt (13) is opposite to the starting end of the conveyor belt (2) and the height of the end of the transfer belt (13) is higher than the height of the starting end of the conveyor belt (2).
6. The high-speed vision counting and feeding machine according to claim 1, characterized in that: It also includes a guide (9), which is located at the end of the conveyor belt (2) and there is a counting space between the guide (9) and the conveyor belt (2) for the vision device (5) to count.