Raw material weighing equipment for rubber and plastic products
Through the combination of multiple sets of auxiliary material weighing mechanisms and stirring premix barrels, the problem of uneven mixing of additives in rubber and plastic products is solved, automatic weighing and premixing are realized, and mixing efficiency and production efficiency are improved.
Patent Information
- Application Number
- CN202422370447.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-27
AI Technical Summary
In the production of existing rubber and plastic products, uneven mixing of additives leads to an extended mixing time and affects production efficiency. The prior art cannot realize automated weighing and premixing.
Multiple groups of auxiliary material weighing mechanisms are used to combine with a stirring premix barrel, and automatic weighing and premixing is achieved through the main control machine and weighing sensor, with high degree of automation and accurate addition of auxiliary materials according to the set proportion.
The mixing efficiency of auxiliary materials and rubber is improved, the mixing problem is avoided, and automated weighing and feeding is realized, which improves production efficiency and convenience.
Smart Images

Figure CN223138779U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of rubber and plastic product production, in particular to a raw material weighing device for rubber and plastic products. Background Art
[0002] The raw materials of rubber and plastic products mainly include rubber, vulcanizing agent, activator, anti-aging agent, antioxidant, filler, reinforcing agent, softening agent, plasticizer, coloring agent, foaming agent, flame retardant, etc. These raw materials go through processes such as mixing, internal mixing, and vulcanization, and finally various rubber and plastic products are made, which are widely used in various fields such as automobiles, construction, electronics, and medical treatment.
[0003] At present, when producing rubber and plastic products, it is necessary to calculate the weight of the additives based on the weight of the added rubber and its mixing ratio with various additives, and weigh and add the corresponding weight of additives according to the calculation results. At the same time, the additives cannot be pre-mixed. Adding various additives into the rubber simultaneously will result in some uneven mixing, and it is necessary to extend the mixing and stirring time, which will affect the mixing efficiency of the raw materials of rubber and plastic products and has poor practicability. Therefore, the utility model proposes a raw material weighing device for rubber and plastic products to solve the problems existing in the prior art. Content of the Utility Model
[0004] Aiming at the above problems, the purpose of the utility model is to provide a raw material weighing device for rubber and plastic products. The raw material weighing device for rubber and plastic products weighs different raw material additives simultaneously through multiple groups of auxiliary material weighing mechanisms, and is pre-mixed by a stirring and pre-mixing barrel, effectively improving the mixing efficiency of the auxiliary materials and rubber. Through the control of the main controller in cooperation with the weighing sensor and the electric control valve, it can automatically determine the weight of each auxiliary material according to the set raw material ratio of the rubber and plastic products combined with the weighed rubber and weigh and add materials, with a high degree of automation and can automatically add materials, which is convenient and fast.
[0005] To achieve the purpose of the utility model, the utility model is realized through the following technical solutions: A raw material weighing device for rubber and plastic products, including a frame, a lifting frame mechanism, a rubber weighing box, a weighing sensor, a bearing plate, a stirring and pre-mixing barrel, a discharge pipe, an auxiliary material weighing mechanism, and a main controller. The rubber weighing box is movably arranged in the frame through the lifting frame mechanism. The bearing plate is arranged in the rubber weighing box through the weighing sensor. A stirring and pre-mixing barrel is arranged on the front side of the frame. A discharge pipe is arranged below the stirring and pre-mixing barrel, which is connected to the subsequent mixing equipment to mix and knead the auxiliary materials and rubber. The auxiliary material weighing mechanism is arranged on the rear side of the stirring and pre-mixing barrel, which can weigh multiple groups of different auxiliary materials simultaneously and automatically add materials for pre-mixing. The main controller is arranged at the rear of the upper side of the frame.
[0006] A further improvement lies in that: the lifting frame mechanism includes a lifting groove, a lifting screw rod, a lifting frame and a lifting motor. Lifting grooves are symmetrically arranged on both side walls of the frame. The lifting screw rods are rotatably arranged in the lifting grooves through bearings. A lifting frame is movably arranged between the lifting screw rods. Connecting ears are arranged on both sides of the lifting frame and extend into the lifting grooves and are threadedly adapted to the lifting screw rods. A lifting motor is arranged above the frame. The output end of the lifting motor is connected and driven by a gear and belt to the upper ends of the two groups of lifting screw rods.
[0007] A further improvement lies in that: a fixed hinge seat is arranged on the front side of the lifting frame. The front end of the lower side of the rubber weighing box is hinged to the fixed hinge seat. A hinged telescopic rod is rotatably arranged in the lifting frame. The telescopic end of the hinged telescopic rod is hinged to the middle part of the bottom surface of the rubber weighing box.
[0008] A further improvement lies in that: the front side of the rubber weighing box is open and provided with a rotating feeding plate. A rotating hinge seat is arranged on the bottom surface of the rotating feeding plate. Electric telescopic rods are symmetrically and rotatably arranged on both sides of the rubber weighing box. The telescopic ends of the electric telescopic rods are movably adapted to the rotating hinge seat.
[0009] A further improvement lies in that: the auxiliary material weighing mechanism includes a multi-layer rack, a storage box, a feeding pipe, a fixed seat, a hinged plate, a hinged electric rod, a loading tray and a feeding hopper. The multi-layer rack is fixedly arranged at the rear side of the upper end of the frame. Storage boxes are symmetrically arranged on the multi-layer rack. There are multiple groups of storage boxes for storing a variety of different raw material auxiliaries. A feeding pipe is arranged below the storage box for weighing the feeding of the auxiliary materials. Fixed seats are symmetrically arranged in the middle layer of the multi-layer rack. A hinged plate is arranged on the fixed seat. The front end of the lower side of the hinged plate is hinged to the fixed seat. A hinged electric rod is also arranged between the rear side of the hinged plate and the middle layer of the multi-layer rack. The upper and lower ends of the hinged electric rod are hinged to the hinged plate and the multi-layer rack respectively. A loading tray is arranged on the hinged plate. A feeding hopper is arranged at the rear side of the stirring and premixing barrel. The width of the feeding hopper covers the common width of the multiple groups of loading trays arranged.
[0010] A further improvement lies in that: electric control valves are arranged on both the feeding pipe and the discharging pipe to control the feeding of the auxiliary materials and the discharging of the mixed materials. A weighing sensor is also arranged between the loading tray and the hinged plate, and both the electric control valve and the weighing sensor are electrically connected to the main controller. The loading tray is located directly below the feeding pipe.
[0011] A further improvement lies in that: a stirring rotating rod is arranged in the stirring and premixing barrel. A stirring motor is arranged on the stirring and premixing barrel. The output end of the stirring motor is connected to the stirring rotating rod.
[0012] The beneficial effects of the present utility model are as follows: The present utility model weighs different raw materials and auxiliary materials simultaneously through multiple groups of auxiliary material weighing mechanisms, and pre-mixes them in a stirring and pre-mixing barrel, effectively improving the mixing efficiency of the auxiliary materials and rubber, and avoiding the problem that uneven mixing requires long-term stirring and affects the production efficiency. Through the control of the main control machine in cooperation with the weighing sensor and the electric control valve, it can automatically determine the weight of each auxiliary material according to the set raw material ratio of the rubber and plastic products combined with the weighed rubber, and weigh and feed the materials. The degree of automation is high, and it can automatically feed the materials, which is convenient and fast. Brief Description of the Drawings
[0013] Figure 1 It is the front view of the present utility model.
[0014] Figure 2 It is the side view of the present utility model.
[0015] Figure 3 It is the side sectional view of the present utility model.
[0016] Wherein: 1. Frame; 2. Rubber weighing box; 3. Weighing sensor; 4. Bearing plate; 5. Stirring and pre-mixing barrel; 6. Discharge pipe; 7. Main controller; 8. Lifting tank; 9. Lifting screw; 10. Lifting frame; 11. Lifting motor; 12. Fixed hinge seat; 13. Hinged telescopic rod; 14. Rotating guide plate; 15. Rotating hinge seat; 16. Electric telescopic rod; 17. Multi-layer rack; 18. Storage tank; 19. Feeding pipe; 20. Fixed seat; 21. Hinged plate; 22. Hinged electric rod; 23. Loading tray; 24. Feeding hopper; 25. Electric control valve; 26. Stirring rotating rod; 27. Stirring motor. Detailed Description of the Preferred Embodiment
[0017] In order to deepen the understanding of the present utility model, the following will further elaborate on the present utility model in combination with embodiments. These embodiments are only used to explain the present utility model and do not constitute a limitation to the protection scope of the present utility model.
[0018] According to Figure 1 , Figure 2 and Figure 3As shown in the figure, this embodiment provides a raw material weighing device for rubber and plastic products, which includes a frame 1, a lifting frame mechanism, a rubber weighing box 2, a weighing sensor 3, a bearing plate 4, a stirring and premixing barrel 5, a discharge pipe 6, an auxiliary material weighing mechanism, and a main controller 7. In the frame 1, a rubber weighing box 2 is movably arranged through the lifting frame mechanism. In the rubber weighing box 2, a bearing plate 4 is arranged through the weighing sensor 3. On the front side of the frame 1, a stirring and premixing barrel 5 is arranged. Below the stirring and premixing barrel 5, a discharge pipe 6 is arranged, which is connected to the subsequent mixing equipment to mix and knead the auxiliary materials with rubber. On the rear side of the stirring and premixing barrel 5, an auxiliary material weighing mechanism is arranged, which can weigh multiple groups of different auxiliary materials at the same time and automatically add materials for premixing. On the upper rear side of the frame 1, a main controller 7 is arranged, and the computer program automatically monitors the data of the weighing sensor and automatically calculates and controls the electric control valve to control the feeding weight of each auxiliary material.
[0019] The lifting frame mechanism includes a lifting groove 8, a lifting screw 9, a lifting frame 10, and a lifting motor 11. Lifting grooves 8 are symmetrically arranged on both side walls of the frame 1. In the lifting grooves 8, the lifting screws 9 are rotatably arranged through bearings. Between the lifting screws 9, a lifting frame 10 is movably arranged. On both sides of the lifting frame, there are connecting ears, which extend into the lifting grooves and are threadedly matched with the lifting screws. Above the frame 1, a lifting motor 11 is arranged. The output end of the lifting motor 11 is connected to the upper gears of the two lifting screws 9 through a gear belt to drive synchronously and control the lifting and adjustment of the lifting frame.
[0020] On the front side of the lifting frame 10, a fixed hinge seat 12 is arranged. The front end of the lower side of the rubber weighing box 2 is hinged to the fixed hinge seat 12. In the lifting frame 10, a hinged telescopic rod 13 is rotatably arranged. The telescopic end of the hinged telescopic rod 13 is hinged to the middle of the bottom surface of the rubber weighing box 2, and the material in the weighing box can be discharged by extending the hinged telescopic rod to lift and tilt the rubber weighing box.
[0021] The front side of the rubber weighing box 2 is open and provided with a rotating guide plate 14. The bottom surface of the rotating guide plate 14 is provided with a rotating hinge seat 15. Electric telescopic rods 16 are symmetrically and rotatably arranged on both sides of the rubber weighing box 2. The telescopic ends of the electric telescopic rods 16 are movably adapted to the rotating hinge seat 15. The rotating guide plate is controlled to unfold and retract through the electric telescopic rod, so as to block the opening of the rubber weighing box and guide the material for discharging.
[0022] The auxiliary material weighing mechanism includes a multi-layer rack 17, a storage bin 18, a blanking pipe 19, a fixed seat 20, a hinged plate 21, a hinged electric rod 22, a loading tray 23 and a feed hopper 24. A multi-layer rack 17 is fixedly arranged at the rear side of the upper end of the frame 1. Storage bins 18 are symmetrically arranged on the multi-layer rack 17. There are multiple groups of storage bins, which are used to store a variety of different raw material auxiliaries. A blanking pipe 19 is arranged below the storage bin 18, which is used for blanking and weighing of the auxiliary materials. Fixed seats 20 are symmetrically arranged in the middle layer of the multi-layer rack 17. A hinged plate 21 is arranged on the fixed seat 20. The front end of the lower side of the hinged plate is hinged to the fixed seat. An articulated electric rod 22 is also arranged between the rear side of the hinged plate 21 and the middle layer of the multi-layer rack 17. The upper and lower ends of the articulated electric rod are hinged to the hinged plate and the multi-layer rack respectively. A loading tray 23 is arranged on the hinged plate 21. A feed hopper 24 is arranged at the rear side of the stirring and premixing barrel 5. The width of the feed hopper covers the common width of the multiple groups of loading trays arranged.
[0023] Electric control valves 25 are arranged on both the blanking pipe 19 and the discharge pipe 6, which are used to control the blanking of the auxiliary materials and the discharge of the mixed materials. A weighing sensor 3 is also arranged between the loading tray 23 and the hinged plate 21. Both the electric control valve 25 and the weighing sensor 3 are electrically connected to the main controller 7. The loading tray 23 is located directly below the blanking pipe 19.
[0024] A stirring rod 26 is arranged in the stirring and premixing barrel 5. A stirring motor 27 is arranged on the stirring and premixing barrel 5. The output end of the stirring motor 27 is connected to the stirring rod 26 to realize the premixing of a variety of auxiliary raw materials.
[0025] When the raw material weighing equipment for rubber and plastic products is used, first add the required raw material auxiliaries into different storage bins, then preset the weight ratios of the rubber raw materials required for different types of rubber and plastic products and each raw material auxiliary in the main controller. Then, according to the production requirements, retrieve the ratio data of the rubber and plastic products to be produced, and put the rubber raw materials into the rubber weighing box for weighing. While weighing, the main controller controls the opening of the electric control valve on the blanking pipe to add different raw material auxiliaries to the loading tray. After adding to the set proportional weight, the articulated electric rod jacks up the hinged plate to pour the raw material auxiliaries in the loading tray into the feed hopper and enter the stirring and premixing barrel for premixing and stirring. Subsequently, the lifting frame mechanism drives the weighed rubber raw materials to rise, and the electric telescopic rod opens the rotating guide plate. Then, the articulated telescopic rod drives the rubber weighing box to tilt to add the rubber raw materials into the subsequent production equipment. At the same time, the electric control valve on the discharge pipe is opened to synchronously add the premixed raw material auxiliaries into the production equipment, increasing the mixing efficiency of the rubber material and the auxiliary materials.
[0026] The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.
Claims
1. A raw material weighing device for rubber and plastic products, characterized in that: It includes a frame (1), a lifting frame mechanism, a rubber weighing box (2), weighing sensors (3), a bearing plate (4), a stirring and premixing barrel (5), a discharge pipe (6), an auxiliary material weighing mechanism, and a main controller (7). In the frame (1), a rubber weighing box (2) is provided through the lifting frame mechanism. In the rubber weighing box (2), a bearing plate (4) is provided through weighing sensors (3). In the front side of the frame (1), a stirring and premixing barrel (5) is provided. Below the stirring and premixing barrel (5), a discharge pipe (6) is provided. Behind the stirring and premixing barrel (5), an auxiliary material weighing mechanism is provided. Behind the upper side of the frame (1), a main controller (7) is provided.
2. The raw material weighing device for rubber and plastic products according to claim 1, characterized in that: The lifting frame mechanism includes a lifting groove (8), a lifting screw (9), a lifting frame (10), and a lifting motor (11). Lifting grooves (8) are symmetrically provided on both side walls of the frame (1). In the lifting grooves (8), lifting screws (9) are provided. Between the lifting screws (9), a lifting frame (10) is provided. Above the frame (1), a lifting motor (11) is provided. The output end of the lifting motor (11) is connected and driven by a gear and belt to the upper ends of two groups of lifting screws (9).
3. The raw material weighing device for rubber and plastic products according to claim 2, characterized in that: On the front side of the lifting frame (10), a fixed hinge seat (12) is provided. The front end of the lower side of the rubber weighing box (2) is hinged to the fixed hinge seat (12). In the lifting frame (10), a hinged telescopic rod (13) is provided. The telescopic end of the hinged telescopic rod (13) is hinged to the middle of the bottom surface of the rubber weighing box (2).
4. The raw material weighing device for rubber and plastic products according to claim 1, characterized in that: The front side of the rubber weighing box (2) is open and provided with a rotating guide plate (14). On the bottom surface of the rotating guide plate (14), a rotating hinge seat (15) is provided. Electric telescopic rods (16) are symmetrically and rotatably provided on both sides of the rubber weighing box (2). The telescopic ends of the electric telescopic rods (16) are movably adapted to the rotating hinge seat (15).
5. The raw material weighing device for rubber and plastic products according to claim 1, characterized in that: The auxiliary material weighing mechanism includes a multi-layer rack (17), a storage box (18), a feeding pipe (19), a fixed seat (20), a hinged plate (21), a hinged electric rod (22), a loading tray (23), and a feed hopper (24). Behind the upper end of the frame (1), a multi-layer rack (17) is provided. On the multi-layer rack (17), storage boxes (18) are symmetrically provided. Below the storage boxes (18), feeding pipes (19) are provided. Fixed seats (20) are symmetrically provided in the middle layer of the multi-layer rack (17). On the fixed seats (20), hinged plates (21) are provided. Between the rear side of the hinged plate (21) and the middle layer of the multi-layer rack (17), a hinged electric rod (22) is further provided. On the hinged plate (21), a loading tray (23) is provided. Behind the stirring and premixing barrel (5), a feed hopper (24) is provided.
6. The raw material weighing device for rubber and plastic products according to claim 5, characterized in that: Electric control valves (25) are provided on both the feeding pipe (19) and the discharge pipe (6). A weighing sensor (3) is also provided between the loading tray (23) and the hinged plate (21), and both the electric control valve (25) and the weighing sensor (3) are electrically connected to the main controller (7). The loading tray (23) is located directly below the feeding pipe (19).
7. The raw material weighing device for rubber and plastic products according to claim 1, characterized in that: A stirring mixing barrel (5) is provided with a stirring rotating rod (26), and a stirring motor (27) is arranged on the stirring mixing barrel (5). The output end of the stirring motor (27) is connected to the stirring rotating rod (26).