Online checkweigher equipment
The automatic sorting function of the online checkweigher solves the problem of high labor intensity in manual sorting of existing equipment, realizes automated feeding and efficient sorting, and improves the automation level and accuracy of the production line.
Patent Information
- Application Number
- CN202520330360.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Existing online checkweigher equipment lacks automatic sorting functions on the production line, resulting in high labor intensity and insufficient accuracy for manual sorting, and also has requirements on product shape and specifications.
An online checkweigher device was designed, comprising a testing platform, a weighing scale body, a testing material feeding and conveying structure, and a qualified and unqualified product conveying mechanism. Automatic sorting is achieved by using hydraulic cylinders and guide wheels, and the weighing scale body is rotated by rotating the power box to achieve guided sorting.
It has achieved automated feeding and sorting processes, eliminating the need for manual handling, reducing labor intensity, and improving sorting efficiency and accuracy.
Smart Images

Figure CN223862312U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of online weighing and detection, specifically, it relates to an online checkweigher device. Background Technology
[0002] Automatic checkweighers, also known as weight sorting machines, are a type of automated weighing equipment widely used in production lines of industries such as pharmaceuticals, food, and chemicals. They can detect whether the weight of products on the production line is up to standard in real time. Checkweighers are used frequently on production lines, but current checkweighers do not have the function of sorting out defective products. Manual sorting on the production line cannot achieve very accurate quality control and is also labor-intensive. Application number: CN202222338754.0 discloses a high-precision online checkweigher with rejection device. The high-speed checkweigher will detect defective products and send signals to the first and second motors through the control panel to sort out the defective products. Although it has a sorting function, the online detection process still requires manual placement of products on the weight reduction plate, which is still labor-intensive. In addition, relying on the grippers to hold the products, there are certain requirements for the shape and specifications of the products.
[0003] In view of this, this utility model is hereby proposed. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the existing technology and provide an online checkweigher device. The basic concept of the technical solution adopted by this utility model to solve the above-mentioned technical problem is as follows:
[0005] An online checkweigher includes a detection platform and a weighing scale body. The detection platform has a mating groove on its outer side, and a detection feeding conveyor structure, a qualified product conveying structure, and a non-qualified product conveying mechanism are respectively arranged at corresponding positions in the mating groove. A circular hollow groove is provided in the middle of the detection platform, and the weighing scale body is fitted inside the hollow groove. A weighing platform is provided on the upper part of the weighing scale body, and an installation groove is provided on the weighing platform. A guide wheel is rotatably connected and installed in the installation groove. An installation side plate is fixedly provided on the side of the detection platform corresponding to the non-qualified product conveying mechanism. A pushing hydraulic cylinder is fixedly installed on the outer side of the installation side plate, and a pushing plate is fixedly provided at the end of the telescopic rod of the pushing hydraulic cylinder. An upper support is provided on the side of the qualified product conveying structure, and a mating slide rail is fixedly provided below the top plate of the upper support. A lifting hydraulic rod is slidably connected and installed in the mating slide rail. A lifting connecting frame is fixedly provided at the lower end of the lifting hydraulic rod, and the lower part of the lifting connecting frame is fixedly connected to a scraper plate for sorting qualified products onto the qualified product conveying structure.
[0006] As a further embodiment of this utility model: the scraper plate is a trapezoidal bent plate structure, and a scraper hydraulic cylinder is fixedly installed on the upper bracket. The telescopic end of the scraper hydraulic cylinder is fixedly connected to the outer wall of the lifting hydraulic rod. The scraper hydraulic cylinder is used to provide power support for the lifting hydraulic rod to move along the matching slide rail.
[0007] As a further embodiment of this utility model: the defective product conveying mechanism includes a conveyor belt, a support frame, a transmission roller and a conveying motor. The conveying motor is located outside the support frame, and the end of the support frame away from the conveying motor has an upper extension structure, which facilitates cooperation with the mating groove on the detection platform.
[0008] As a further embodiment of this utility model: the supporting components of the detection feeding and conveying structure, the qualified product conveying structure and the unqualified product conveying mechanism are the same, and are used to realize the automatic conveying of feeding and distributing products.
[0009] As a further improvement of this utility model: a rotating power box is provided below the detection platform, and a fixed chuck is provided above the rotating power box. The fixed chuck is located below the main body of the weighing scale and is used to clamp and fix the weighing scale.
[0010] As a further improvement of this utility model: the detection feeding and conveying structure and the qualified product conveying structure are arranged in a straight line, and the detection feeding and conveying structure and the unqualified product conveying mechanism are arranged at a 90° angle, which effectively reduces the rotation frequency of the weighing platform and improves the efficiency of weighing and sorting.
[0011] By adopting the above technical solution, this utility model has the following beneficial effects compared with the prior art.
[0012] This utility model's online checkweigher is equipped with a detection feeding and conveying structure, a qualified product conveying structure, and a non-qualified product conveying mechanism. The feeding, sorting, and conveying processes can all be completed by the equipment, eliminating the need for manual handling and movement, effectively reducing labor intensity.
[0013] The weighing platform of this utility model is equipped with guide wheels to facilitate guided sorting. A rotating power box is installed below the weighing platform and the main body of the weighing scale, which can drive the main body of the weighing scale to rotate, thereby enabling the guide wheels to cooperate with different conveying structures to achieve effective guided sorting.
[0014] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description
[0015] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments and descriptions of the present invention are used to explain the present invention, but do not constitute an undue limitation of the present invention. Obviously, the drawings described below are merely some embodiments; those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings:
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a top view of the present invention;
[0018] Figure 3 This is the front view of the present invention;
[0019] Figure 4 This is a schematic diagram of the installation of the weighing scale of this utility model.
[0020] In the diagram: 1. Inspection feeding and conveying structure; 2. Qualified product conveying structure; 3. Unqualified product conveying mechanism; 4. Weighing platform; 5. Mounting groove; 6. Guide wheel; 7. Inspection platform; 8. Upper support; 9. Matching slide rail; 10. Lifting hydraulic rod; 11. Lifting connecting frame; 12. Scraper; 13. Matching groove; 14. Mounting side plate; 15. Pushing hydraulic cylinder; 16. Pushing plate; 17. Conveyor belt; 18. Support frame; 19. Transmission roller; 20. Conveyor motor; 21. Rotating power box; 22. Weighing scale body; 23. Fixed chuck; 24. Scraper hydraulic cylinder.
[0021] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model, but are not intended to limit the scope of this utility model.
[0023] like Figures 1 to 4As shown, an online checkweigher device includes a detection platform 7 and a weighing scale body 22. A mating groove 13 is provided on the outer side of the detection platform 7. A detection feeding conveyor structure 1, a qualified product conveying structure 2, and a defective product conveying mechanism 3 are respectively installed at corresponding positions in the mating groove 13. A circular hollow groove is provided in the middle of the detection platform 7, and the weighing scale body 22 is fitted inside the hollow groove. A weighing platform 4 is provided on the upper part of the weighing scale body 22. An installation groove 5 is provided on the weighing platform 4, and a guide wheel 6 is rotatably connected and installed in the installation groove 5. The detection platform 7 and the defective product conveying mechanism 3 are connected... A mounting side plate 14 is fixedly installed on the corresponding side. A pushing hydraulic cylinder 15 is fixedly installed on the outer side of the mounting side plate 14. A pushing plate 16 is fixedly installed at the end of the telescopic rod of the pushing hydraulic cylinder 15. An upper support 8 is installed on the side of the qualified product conveying structure 2. A matching slide rail 9 is fixedly installed below the top plate of the upper support 8. A lifting hydraulic rod 10 is slidably connected and installed in the matching slide rail 9. A lifting connecting frame 11 is fixedly installed at the lower end of the lifting hydraulic rod 10. The lower part of the lifting connecting frame 11 is fixedly connected to the scraper plate 12 for sorting qualified products onto the qualified product conveying structure 2.
[0024] Among them, the scraper 12 is a trapezoidal bent plate structure, and a scraper hydraulic cylinder 24 is fixedly installed on the upper bracket 8. The telescopic end of the scraper hydraulic cylinder 24 is fixedly connected to the outer wall of the lifting hydraulic rod 10. The scraper hydraulic cylinder 24 is used to provide power support for the lifting hydraulic rod 10 to move along the matching slide rail 9.
[0025] The non-conforming product conveying mechanism 3 includes a conveyor belt 17, a support frame 18, a transmission roller 19, and a conveyor motor 20. The conveyor motor 20 is located outside the support frame 18. The end of the support frame 18 away from the conveyor motor 20 has an upper extension structure to facilitate cooperation with the mating groove 13 on the detection platform 7.
[0026] The supporting components of the material feeding and conveying structure 1 and the qualified product conveying structure 2 are the same as those of the unqualified product conveying mechanism 3, which are used to realize the automatic conveying of material feeding and distributing products.
[0027] A rotating power box 21 is provided below the detection platform 7, and a fixed chuck 23 is provided above the rotating power box 21. The fixed chuck 23 is located below the weighing scale body 22 and is used to clamp and fix the weighing scale.
[0028] The detection feeding conveyor structure 1 and the qualified product conveyor structure 2 are arranged in a straight line. The detection feeding conveyor structure 1 and the unqualified product conveyor structure 3 are arranged at a 90° angle, which effectively reduces the rotation frequency of the weighing platform 4 and improves the efficiency of inspection and sorting.
[0029] The working principle of this utility model is as follows: When weighing and detecting materials, the materials are supplied to the weighing platform 4 of the weighing scale body 22 through the detection feeding and conveying structure 1. Under normal circumstances, the guiding direction of the guide wheel 6 on the weighing platform 4 is consistent with the conveying direction of the qualified product conveying structure 2. Due to inertia, the materials fall onto the weighing platform 4. The weighing sensor below the weighing platform 4 weighs and detects the materials and feeds the data back to the control component for analysis and judgment. The weight is determined to be qualified. If the weight is within the standard range, it is deemed qualified. The lifting hydraulic rod 10 extends, driving the scraper 12 to move downward. The telescopic rod of the scraper hydraulic cylinder 24 retracts, driving the lifting hydraulic rod 10, the lifting connecting frame 11 and the scraper 12 to move, transferring the materials from the weighing platform 4 to the qualified product conveying structure 2. The scraper 12 is then reset.
[0030] If the weight of the material is outside the standard range, it is deemed unqualified. The power motor and reduction gear in the power box 21 drive the fixed chuck 23 to rotate, which in turn drives the weighing scale body 22 to rotate 90°, so that the guide wheel 6 is aligned with the conveying direction of the unqualified product conveying mechanism 3. The pushing hydraulic cylinder 15 works, driving the pushing plate 16 to move and push the material onto the unqualified product conveying mechanism 3, thus achieving material sorting. Afterward, the pushing plate 16 and the weighing scale body 22 are reset for the next material to be tested.
[0031] The power unit inside the rotating power box 21 in this application that drives the fixed chuck 23 to rotate is prior art and will not be described in detail here. The hydraulic components are equipped with hydraulic pumps, hydraulic pipes, valves, etc., which are not shown in the attached drawings. In addition, the weighing scale body 22 is a prior art weighing scale. The preferred sensor model used by the weighing scale is SLP532. Different weight specifications are selected according to the weight of the material. The weighing scale body 22 is equipped with a control box for receiving and converting signals, which is also prior art.
[0032] The online checkweigher of this utility model is equipped with a detection feeding and conveying structure 1, a qualified product conveying structure 2, and a non-qualified product conveying mechanism 3. The feeding, sorting, and conveying processes can all be completed by the equipment without manual handling or movement, effectively reducing labor intensity. The weighing platform 4 is equipped with guide wheels 6 for easy guidance and sorting. A rotation power box 21 is located below the weighing platform 4 and the weighing scale body 22, which can drive the weighing scale body 22 to rotate, thereby enabling the guide wheels 6 to cooperate with different conveying structures to achieve effective guidance and sorting.
[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-described technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.
Claims
1. An online checkweigher device, comprising a detection platform (7) and a weighing scale body (22), characterized in that, The outer side of the testing platform (7) is provided with a mating groove (13). The corresponding positions of the mating groove (13) are respectively provided with a testing material feeding conveyor structure (1), a qualified product conveyor structure (2) and a non-qualified product conveyor mechanism (3). The middle position of the testing platform (7) is provided with a circular hollow groove. The weighing scale body (22) is provided in the hollow groove. The upper part of the weighing scale body (22) is provided with a weighing platform (4). The weighing platform (4) is provided with an installation groove (5). A guide wheel (6) is rotatably connected and installed in the installation groove (5). The testing platform (7) is opposite to the non-qualified product conveyor mechanism (3). A mounting side plate (14) is fixedly installed on one side of the corresponding structure. A pushing hydraulic cylinder (15) is fixedly installed on the outer side of the mounting side plate (14). A pushing plate (16) is fixedly installed at the end of the telescopic rod of the pushing hydraulic cylinder (15). An upper bracket (8) is provided on the side of the qualified product conveying structure (2). A matching slide rail (9) is fixedly installed below the top plate of the upper bracket (8). A lifting hydraulic rod (10) is slidably connected inside the matching slide rail (9). A lifting connecting frame (11) is fixedly installed at the lower end of the lifting hydraulic rod (10). The lower part of the lifting connecting frame (11) is fixedly connected to the scraper plate (12).
2. The online checkweigher device according to claim 1, characterized in that, The scraper (12) is a trapezoidal bent plate structure. A scraper hydraulic cylinder (24) is fixedly installed on the upper bracket (8). The telescopic end of the scraper hydraulic cylinder (24) is fixedly connected to the outer wall of the lifting hydraulic rod (10).
3. The online checkweigher device according to claim 2, characterized in that, The defective product conveying mechanism (3) includes a conveyor belt (17), a support frame (18), a transmission roller (19) and a conveyor motor (20). The conveyor motor (20) is located outside the support frame (18), and the end of the support frame (18) away from the conveyor motor (20) is an upper extension structure.
4. The online checkweigher device according to claim 3, characterized in that, The supporting components of the detection feeding and conveying structure (1) and the qualified product conveying structure (2) are the same as those of the unqualified product conveying mechanism (3).
5. The online checkweigher device according to claim 4, characterized in that, A rotating power box (21) is provided below the detection platform (7), and a fixed chuck (23) is provided above the rotating power box (21). The fixed chuck (23) is located below the weighing scale body (22).
6. The online checkweigher device according to claim 5, characterized in that, The detection feeding and conveying structure (1) and the qualified product conveying structure (2) are arranged in a straight line, and the detection feeding and conveying structure (1) and the unqualified product conveying mechanism (3) are arranged at a 90° angle.
Citation Information
Patent Citations
High-precision online checkweigher belt removing equipment
CN218637960U