Four-head weighing filling machine
By controlling the flow rate through solenoid valves and weighing sensors in a four-head weighing filling machine, and combining it with a guide rod and guide plate structure, the problem of inconsistent flow rate at the filling heads is solved, achieving precise quantitative filling and improving product quality consistency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2026-03-20
AI Technical Summary
When multiple filling heads are working simultaneously, the inconsistent flow rates of existing filling machines lead to uneven product quality, resulting in problems such as underfilling or overfilling.
The four-head weighing filling machine uses solenoid valves to control the flow rate of each filling head. Combined with weighing sensors and controllers, it ensures that each filling head stops filling when it reaches the set weight. At the same time, guide rods and sliders are used to maintain the stability of the filling head, and guide plates and guide blocks ensure accurate positioning of the container.
It achieves precise quantitative filling for each filling head, ensuring consistent product quality and avoiding waste and increased defect rates.
Smart Images
Figure CN224015294U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filling technology field especially four head weighing filling machine. BACKGROUND
[0002] The filling machine is a kind of packaging equipment for accurately filling liquid, paste, powder, granules and other materials into container, is one of the most commonly used equipment in packaging machinery, is widely used in various industries, including food and beverage, pharmaceutical, chemical, agricultural etc., filling machine usually through liftable filling head fills material into the inside of container.
[0003] The filling machine of the prior art in the process of filling multiple filling containers simultaneously, due to the wear and tear, blockage caused by equipment design or long-term use, the flow of material between different filling heads is often difficult to keep consistent, for example, the filling head far away from the conveying pipe can be insufficient due to the larger pipe resistance, or the blockage occurs in the inside of part of filling head after long-term use, affecting the flow of material, such flow difference can directly lead to inconsistent product quality, part of container is filled too much, causing waste, and part of container is filled insufficiently, affecting product qualification rate. SUMMARY
[0004] In order to overcome the defect that product quality is inconsistent due to different flow of filling head, the utility model provides four head weighing filling machine.
[0005] The technical scheme of the utility model is: four head weighing filling machine, including frame, pneumatic cylinder, mounting bracket, filling head, solenoid valve, conveying pipe, conveying branch pipe, placement plate, weighing sensor, conveying mechanism and controller, pneumatic cylinder is installed on the upper part of frame, the piston of pneumatic cylinder is connected with mounting bracket, four filling heads are installed on mounting bracket, solenoid valve is arranged on filling head, conveying pipe is arranged on the upper part of frame, conveying branch pipe is connected between conveying pipe and four filling heads, material is conveyed through conveying pipe and conveying branch pipe, solenoid valve controls the flow of four conveying branch pipes respectively, placement groove is arranged in the middle of frame, four placement plates are evenly arranged from left to right below the placement groove of frame, weighing sensor is arranged on placement plate, conveying mechanism for conveying filling container is arranged on frame, controller is arranged on the front side of frame, solenoid valve, weighing sensor and conveying mechanism are electrically connected with controller.
[0006] As a preferred technical scheme of the utility model, it further includes guide rod and sliding block, two guide rods are arranged on frame, two sliding blocks are arranged on mounting bracket, guide rod is slidably connected with sliding block.
[0007] As a preferred technical scheme of the utility model, the conveying mechanism includes motor, chain wheel, chain and push rod, motor is arranged in the inside of frame, chain wheel is rotatably arranged on the left and right sides in the inside of frame, chain is wound around the outside of two chain wheels, and multiple push rods are evenly arranged on the front side of chain.
[0008] As a preferred technical scheme of the utility model, the guide plates are arranged on the front and back sides of the placing groove of the rack, and the guide blocks are arranged on the front and back ends of the push rod, and the guide blocks on the two ends of the push rod are slidably connected with the guide plates on the two sides respectively.
[0009] As a preferred technical scheme of the utility model, the distance between the push rods is equal to the width of the placing plate.
[0010] As a preferred technical scheme of the utility model, the weighing sensor is a resistance strain type weighing sensor.
[0011] The utility model has the following advantages: 1, the utility model through the electromagnetic valve on each filling head is controlled by the controller, can control the flow of four delivery branch pipes respectively, when reaching the set weight, the controller closes the corresponding electromagnetic valve, stops the filling of the corresponding filling head, realizes the accurate quantitative filling.
[0012] 2, the utility model through the guide rod and the sliding block ensure that the mounting frame keeps stable motion track, prevent the mounting frame from deviating or shaking, ensure the position precision of the filling head, so as to guarantee the accuracy of filling, the cooperation of the guide plate and the guide block further ensures the stability and straightness of the push rod in the movement process, makes the filling container move stably in the placing groove, avoids the deviation of the container position due to the shaking of the push rod, ensures that the filling container is accurately pushed to the upper side of the placing plate. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0014] Figure 2 It is the three-dimensional structure schematic diagram of the utility model cylinder, mounting frame and filling head etc.
[0015] Figure 3 It is the three-dimensional structure schematic diagram of the utility model cylinder, guide rod and sliding block etc.
[0016] Figure 4 It is the three-dimensional structure schematic diagram of the utility model filling head, delivery pipe and delivery branch pipe.
[0017] Figure 5 It is the three-dimensional structure schematic diagram of the utility model motor, chain wheel and chain etc.
[0018] The components are: 1-frame, 2-cylinder, 3-mounting bracket, 4-filling head, 5-solenoid valve, 6-conveying pipe, 7-conveying branch pipe, 8-placement plate, 9-weighing sensor, 10-guide rod, 11-slider, 12-motor, 13-sprocket, 14-chain, 15-push rod, 16-guide plate, 17-guide block, 18-controller. Detailed Implementation
[0019] The technical solution will be further described below with reference to specific embodiments. It should be noted that the terms "up," "down," "left," and "right" used herein refer only to the position of the illustrated structure in the corresponding drawings. The component numbers used herein, such as "first," "second," etc., are merely for distinguishing the described objects and have no sequential or technical meaning. Furthermore, terms such as "connection" and "linkage," unless otherwise specified, include both direct and indirect connections.
[0020] Four-head weighing and filling machine, such as Figures 1-4 As shown, the system includes a frame 1, cylinders 2, mounting brackets 3, filling heads 4, solenoid valves 5, conveying pipes 6, conveying branch pipes 7, a placement plate 8, a weighing sensor 9, a conveying mechanism, and a controller 18. Cylinders 2 are mounted on the upper part of the frame 1, and the pistons of cylinders 2 are connected to the mounting brackets 3. Four filling heads 4 are mounted on the mounting brackets 3, and each filling head 4 is equipped with a solenoid valve 5. A conveying pipe 6 is located on the upper part of the frame 1, and each of the four filling heads 4 is connected to a conveying branch pipe 7. Materials are conveyed through the conveying pipe 6 and the conveying branch pipes 7. The solenoid valves 5 control the material flow through the conveying pipes 6 and 7. The flow rate conveyed by the four conveying pipes 7 is provided. A placement groove is provided in the middle of the frame 1. Four placement plates 8 are evenly arranged from left to right on the lower side of the placement groove of the frame 1. The placement plates 8 are used to place the filling containers. The four placement plates 8 correspond to the four filling heads 4. The discharge ports of the four filling heads 4 are located directly above the four placement plates 8. Weighing sensors 9 are provided on the placement plates 8. A conveying mechanism for conveying the filling containers is provided on the frame 1. A controller 18 is provided on the front side of the frame 1. The solenoid valve 5, the weighing sensor 9 and the conveying mechanism are all electrically connected to the controller 18.
[0021] During operation, the conveying mechanism transports the filling container to the placement plate 8 in the middle of the frame 1. The cylinder 2 adjusts the height of the mounting frame 3 so that the filling head 4 is close to the filling container. The material enters through the conveying pipe 6 and is then conveyed to the four filling heads 4 through the conveying branch pipes 7. The material is then injected into the filling container from the filling head 4. At the same time, the weighing sensor 9 on the placement plate 8 detects the weight of the filling container in real time and transmits the weight signal to the controller 18. The solenoid valve 5 on each filling head 4 is controlled by the controller 18, which can control the flow rate of the four conveying branch pipes 7 respectively. When the set weight is reached, the controller 18 closes the corresponding solenoid valve 5 and stops the filling of the corresponding filling head 4.
[0022] like Figure 3As shown, the conveying mechanism comprises a motor 12, a chain wheel 13, a chain 14 and a pushing rod 15, the motor 12 is arranged inside the rack 1, the chain wheel 13 is rotatably arranged on the left and right sides of the rack 1, the chain 14 is wound around the outside of the two chain wheels 13, the pushing rod 15 is arranged on the front side of the chain 14, the motor 12 provides power to drive the chain wheel 13 to rotate, the chain wheel 13 drives the chain 14 to move, and the pushing rod 15 on the chain 14 pushes the filling container to move.
[0023] As shown in Figure 5 , the conveying mechanism comprises a motor 12, a chain wheel 13, a chain 14 and a pushing rod 15, the motor 12 is arranged inside the rack 1, the chain wheel 13 is rotatably arranged on the left and right sides of the rack 1, the chain 14 is wound around the outside of the two chain wheels 13, the pushing rod 15 is arranged on the front side of the chain 14, the motor 12 provides power to drive the chain wheel 13 to rotate, the chain wheel 13 drives the chain 14 to move, and the pushing rod 15 on the chain 14 pushes the filling container to move.
[0024] As shown in Figure 1 and Figure 5 , the conveying mechanism comprises a motor 12, a chain wheel 13, a chain 14 and a pushing rod 15, the motor 12 is arranged inside the rack 1, the chain wheel 13 is rotatably arranged on the left and right sides of the rack 1, the chain 14 is wound around the outside of the two chain wheels 13, the pushing rod 15 is arranged on the front side of the chain 14, the motor 12 provides power to drive the chain wheel 13 to rotate, the chain wheel 13 drives the chain 14 to move, and the pushing rod 15 on the chain 14 pushes the filling container to move.
[0025] The distance between the pushing rods 15 is equal to the width of the left and right sides of the placing plate 8, so as to ensure that the filling container is accurately pushed to above the placing plate 8 and avoids misplacement.
[0026] The weighing sensor 9 is a resistance strain type weighing sensor, which has the advantages of high precision, good stability and fast response speed, and can accurately measure the weight of the filling container and timely and accurately transmit the weight signal to the controller 18.
[0027] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.
Claims
1. A four-head weighing and filling machine, comprising a frame, cylinders, a mounting frame, and filling heads, wherein a cylinder is mounted on the upper part of the frame, the piston of the cylinder is connected to the mounting frame, and four filling heads are mounted on the mounting frame, characterized in that: It also includes solenoid valves, conveying pipes, conveying branch pipes, placement plates, weighing sensors, conveying mechanisms, and controllers. Solenoid valves are installed on the filling heads, and conveying pipes are installed on the upper part of the frame. Each of the four filling heads is connected to a conveying branch pipe. The material is conveyed through the conveying pipes and conveying branch pipes. The solenoid valves control the flow rate of the four conveying branch pipes respectively. A placement trough is installed in the middle of the frame. Four placement plates are evenly arranged from left to right on the lower side of the placement trough of the frame. Weighing sensors are installed on the placement plates. A conveying mechanism for conveying filling containers is installed on the frame. A controller is installed on the front side of the frame. The solenoid valves, weighing sensors, and conveying mechanisms are all electrically connected to the controller.
2. The four-head weighing and filling machine as described in claim 1, characterized in that: It also includes guide rods and sliders. The frame is equipped with two guide rods and the mounting bracket is equipped with two sliders. The guide rods and sliders are slidably connected.
3. The four-head weighing and filling machine as described in claim 2, characterized in that: The conveying mechanism includes a motor, sprockets, chains, and push rods. The motor is located inside the frame, and sprockets are rotatably mounted on both the left and right sides inside the frame. Chains are wound around the outside of the two sprockets, and multiple push rods are evenly arranged on the front side of the chain.
4. The four-head weighing and filling machine as described in claim 3, characterized in that: It also includes guide plates and guide blocks. Guide plates are provided on both the front and rear sides of the placement slot of the frame, and guide blocks are provided at both the front and rear ends of the push rod. The guide blocks at both ends of the push rod are slidably connected to the guide plates on both sides respectively.
5. The four-head weighing and filling machine as described in claim 4, characterized in that: The spacing between the push rods is equal to the width of the placement plate on the left and right.
6. The four-head weighing and filling machine as described in claim 5, characterized in that: The weighing sensor is a resistance strain gauge weighing sensor.