Automatic material metering scale
By setting up weighing parts and control valves between the silo and the support part of the powder material, combined with blowing and vibrator, the problem of low weight control accuracy when unloading powder material is solved, and more accurate material unloading volume is achieved control.
Patent Information
- Application Number
- CN202420854861.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-01-22
- Filing Date
- 2024-04-23
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-04-23
AI Technical Summary
In the prior art, the weight control accuracy of powder materials is low when discharged, and it is difficult to achieve precise control due to factors such as air filling.
An automatic material metering weighing is designed. By setting a weighing piece between the silo and the support, combining the discharge port control valve, air blowing port and vibrator, the overall weighing and precise control of the discharge material is achieved.
Through the coordination of the gap weighing structure and the control valve, the precise control of the amount of powder material is achieved, the error caused by factors such as air filling is reduced, and the accuracy of weight control is improved.
Smart Images
Figure CN222318198U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of weighing equipment, in particular to an automatic material weighing scale. Background Art
[0002] Powder materials are materials that are formed by crushing fixed materials into powder. Nowadays, the use of powder materials is increasing and widely used in various fields. However, it is necessary to control the amount of powder materials when unloading them during transportation to ensure that the amount of powder materials can be effectively controlled during unloading to ensure the subsequent use and processing of powder materials.
[0003] However, in the prior art, the weight of the powder material is mostly controlled by flow control method to control the amount of powder material. However, there are many factors that affect the control using the flow method. For example, there is air filling inside the powder material, which leads to low weight control accuracy of the powder material, affecting the precise control of the amount of powder material.
[0004] In summary, the prior art obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content
[0005] In view of the above-mentioned defects, the purpose of the utility model is to provide an automatic material weighing scale, which can achieve the technical effect of more accurate control of the weight of the material by setting a structure for intermittent weighing of the weight of the material being discharged, controlling the weight change of the material being discharged, and controlling the amount of the material being discharged.
[0006] In order to achieve the above-mentioned purpose, the utility model provides an automatic material weighing scale, comprising: a main frame, a support part is provided inside the main frame; a silo installed on the main frame, the silo is installed on the support part, a weighing piece for weighing the silo and the material inside it as a whole is provided between the silo and the support part, mounting plates are symmetrically provided on the side walls of the silo, the weighing piece is arranged between the mounting plate and the support part, and the weighing piece detects the force state between the mounting plate and the support part.
[0007] According to the automatic material weighing scale of the utility model, a discharge port is provided at the bottom of the silo, a control valve is provided on the discharge port, an air port for blowing the material is opened on the inner wall of the silo, an air pipe for supplying air to the air port is provided outside the silo, and a vibrator is fixedly provided on the outer wall of the silo.
[0008] According to the automatic material weighing scale of the utility model, a protective component for protecting the position of the silo is slidably provided on the support part, and the protective component is sleeved on the outside of the support part, and the bottom of the protective component is slightly lower than the bottom of the mounting plate.
[0009] According to the automatic material weighing scale of the utility model, the protective component includes a sliding frame slidably connected to the support part, two adjusting screws screwed to the bottom of the sliding frame and a force-bearing plate rotatably connected to the adjusting screws, and the top surface of the force-bearing plate is slightly lower than the bottom of the mounting plate.
[0010] According to the automatic material weighing scale of the utility model, a buffer for buffering environmental vibration is provided between the mounting plate and the main frame, and the buffer is a rubber pad or a thrust spring.
[0011] According to the automatic material weighing scale of the utility model, a convex edge is provided on the top of the support part, two sliding columns are provided on the sliding frame, the two sliding columns are slidably connected to the convex edge, and a thrust spring is provided on the outer sleeve of the sliding column.
[0012] According to the automatic material weighing scale of the utility model, an air supply mechanism for supplying air to the air pipe is fixedly provided on the main frame, a vibration motor is fixedly provided on the feeding barrel, the control valve is opened and closed by a cylinder, and the air supply mechanism is connected to the cylinder.
[0013] The utility model provides an automatic material weighing scale, comprising: a main frame, a supporting part is provided inside the main frame, a silo is supported by the supporting part, and normal installation and supporting effect of the silo are ensured; a silo installed on the main frame, powder material is discharged through the silo for material discharge control, the silo is installed on the top of the supporting part, a weighing piece is provided between the silo and the supporting part for weighing the silo and the material inside the silo as a whole, the weight of the material discharged from the silo is weighed by the weighing piece, and the control of the material by the weighing piece is ensured, the weighing piece is arranged between the mounting plate and the supporting part, and the weighing piece detects the stress state between the mounting plate and the supporting part, and the weight of the material is detected by detecting the stress state, and the intermittent detection process of the weight is further ensured. The technical effect produced by the utility model is that a structure for intermittently weighing the weight of the discharged material is provided, and the weight change of the discharged material is controlled to control the amount of the discharged material, so as to achieve a more accurate technical effect of controlling the weight of the discharged material. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0015] Figure 2 It is the front view of the utility model;
[0016] In the figure, 1-main frame, 2-weighing piece, 3-fixed frame, 4-bin, 42-air blowing port, 44-discharging port, 5-mounting plate, 6-vibrator. DETAILED DESCRIPTION
[0017] In order to make the purpose, technical solutions and advantages of the utility model more clearly understood, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0018] See also Figure 1 and Figure 2 The utility model provides an automatic material weighing scale, which includes a main frame 1, a support portion is provided inside the main frame 1, and a silo 4 is supported by the support portion to ensure the normal installation and support effect of the silo 4; the silo 4 installed on the main frame 1 controls the discharge of powder materials through the silo 4, the silo 4 is installed on the top of the support portion, and a weighing piece 2 is provided between the silo 4 and the support portion to weigh the silo 4 and the materials inside the silo as a whole, and the weight of the materials discharged from the silo 4 is weighed by the weighing piece 2 to ensure the control of the materials by the weighing piece 2, and the bottom of the silo 4 is provided with a discharge port 4 4. A control valve is provided on the discharge port 44, and the discharge of the material is controlled by the control valve to ensure the normal discharge process of the silo 4. The inner wall of the silo 4 is provided with a blowing port for blowing the material, and the outside of the silo 4 is provided with an air pipe for supplying air to the blowing port. Air is supplied to the inside of the blowing port through the air pipe. The friction of the side wall on the material when it slides down is reduced by supplying air, and the fluidity of the material is increased, so that the material can be replaced and discharged from the discharge port 44. At the same time, a vibrator 6 is fixedly provided on the outer wall of the silo, and the silo is vibrated by the vibrator 6, which further ensures that the powder material can be quickly discharged from the discharge port, and the discharge speed of the silo is optimized.
[0019] Preferably, the side walls of the silo 4 of the utility model are symmetrically provided with mounting plates 5, one end of the weighing piece 2 is fixedly provided on the top of the mounting plate 5, and the other end is fixedly provided on the bottom of the supporting portion, to ensure that the weighing piece 2 can weigh the silo 4 as a whole and the materials inside, and a protective component is slidably provided on the supporting portion to protect the position of the silo 4 to prevent the silo 4 from sliding down and falling, causing damage to the silo 4, and the protective component is sleeved on the outside of the supporting portion, and the bottom of the protective component is slightly lower than the bottom of the mounting plate 5 to prevent the protective component from affecting the weight of the silo 4.
[0020] Combination Figure 1-2In addition, the protective assembly of the utility model includes a sliding frame slidably connected to the supporting part, two adjusting screws screwed to the bottom of the sliding frame and a force-bearing plate rotatably connected to the adjusting screws. The bottom of the sliding frame is provided with a threaded hole, and the adjusting screw is screwed inside the threaded hole. The top surface of the force-bearing plate is slightly lower than the bottom of the mounting plate 5. The force-bearing plate is used to limit the lowest point of the bottom of the silo 4 to prevent the silo 4 from separating from the weighing piece 2 and sliding down, causing damage to the silo 4. The two adjusting screws are arranged on both sides of the mounting plate 5. One end of the force-bearing plate is rotatably connected to one of the adjusting screws, and the other end is buckled on the other adjusting screw and fixed on the adjusting screw by a fixing nut. The position of the force-bearing plate is adjusted by the adjusting screw, thereby limiting the position of the lowest point of the silo 4 sliding down and protecting the position of the silo 4. Further, the structure can be directly replaced with a rubber pad structure, and the rubber pad is used to buffer the vibration in the environment to reduce the impact of the weighing result caused by the environmental vibration.
[0021] Furthermore, the main frame 1 of the utility model is fixedly provided with an air supply mechanism for supplying air to the air pipe, the feeding barrel is fixedly provided with a vibration motor, the control valve is controlled to open and close by a cylinder, the air supply mechanism is connected to the cylinder, and the movement of the cylinder is controlled by the air supply mechanism, thereby controlling the opening and closing of the control valve, acting on the control valve, controlling the unloading process, and vibrating the vibration motor on the outer wall of the silo to vibrate the material inside the feeding barrel, thereby preventing material blockage during the unloading process and affecting the material unloading process.
[0022] In this embodiment, see Figure 1-2 When in use, a fixed frame 3 is set on the top of the main frame 1, and the support part is set on the fixed frame 3 to ensure that the silo 4 can be installed on the top of the main frame 1, and then the mounting plate 5 of the silo 4 is installed on the weighing piece 2 on the top of the support part, and then the material is fed into the silo 4 through the auger. When the silo 4 needs to be unloaded, the air supply mechanism controls the movement of the cylinder, driving the control valve to open, and the material inside the silo 4 is unloaded. The weight of the unloaded material is detected by the weighing piece 2. When the weight is detected to change to an appropriate value, the control valve is closed by the cylinder to complete the unloading process, thereby increasing the accuracy of material unloading control.
[0023] In another embodiment of the present invention, see Figure 1-2When in use, a fixed frame 3 is set on the top of the main frame 1, and the support part is set on the fixed frame 3 to ensure that the silo 4 can be installed on the top of the main frame 1, and then the mounting plate 5 of the silo 4 is installed on the weighing piece 2 on the top of the support part, and then the material is fed through the auger to the inside of the silo 4, and the weight of the unloaded material is detected by the weighing piece 2. When the weight is detected to change to an appropriate value, the auger is controlled to stop feeding. When the silo 4 needs to be unloaded, the air supply mechanism controls the movement of the cylinder, drives the control valve to open, and the material inside the silo 4 is unloaded. When all the materials inside the silo 4 are unloaded, the control valve is closed by the cylinder to complete the unloading process, thereby ensuring the accuracy of material weight control.
[0024] In summary, the utility model provides an automatic material weighing scale, comprising: a main frame, a supporting part is provided inside the main frame, and a silo is supported by the supporting part to ensure the normal installation and supporting effect of the silo; a silo installed on the main frame, and the discharge of powder material is controlled by the silo, the silo is installed on the top of the supporting part, and a weighing piece for weighing the silo and the material inside the silo as a whole is provided between the silo and the supporting part, and the weight of the material discharged from the silo is weighed by the weighing piece to ensure the control of the material by the weighing piece, and a discharge port is provided at the bottom of the silo, and a control valve is provided on the discharge port, and the discharge of the material is controlled by the control valve to ensure In order to ensure the normal unloading process of the material bin, an air port for blowing the material is opened on the inner wall of the material bin, and an air pipe for supplying air to the air port is arranged on the outside of the material bin. Air is supplied to the inside of the air port through the air pipe. The friction of the side wall on the material when it slides down is reduced by supplying air, thereby increasing the fluidity of the material, so that the material can be replaced and unloaded from the discharge port. In summary, the technical effect produced by the utility model is that a structure for real-time weighing of the unloading weight is set up, and the weight change of the unloading material is controlled to control the amount of the unloading material, so as to achieve the technical effect of more accurate control of the weight of the unloading material. At the same time, when the inside of the material is filled with air during unloading, the unloading weight of the powder material can still be accurately controlled.
[0025] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field can make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.
[0026] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
Claims
1. An automatic material weighing scale, characterized in that: include: A main frame, wherein a support portion is provided inside the main frame; A silo mounted on the main frame is mounted on the support portion, a weighing piece for weighing the silo and the material therein as a whole is provided between the silo and the support portion, mounting plates are symmetrically provided on the side walls of the silo, the weighing piece is disposed between the mounting plate and the support portion, and the weighing piece detects the stress state between the mounting plate and the support portion.
2. The automatic material weighing scale according to claim 1 is characterized in that: A discharge port is provided at the bottom of the silo, a control valve is provided on the discharge port, an air port for blowing materials is provided on the inner wall of the silo, an air pipe for supplying air to the air port is provided outside the silo, and a vibrator is fixedly provided on the outer wall of the silo.
3. The automatic material weighing scale according to claim 2 is characterized in that: A protection component for protecting the position of the silo is slidably provided on the support portion, and the protection component is sleeved on the outside of the support portion, and the bottom of the protection component is slightly lower than the bottom of the mounting plate.
4. The automatic material weighing scale according to claim 3 is characterized in that: The protection component includes a sliding frame slidably connected to the support part, two adjusting screws screwed to the bottom of the sliding frame and a force-bearing plate rotatably connected to the adjusting screws, and the top surface of the force-bearing plate is slightly lower than the bottom of the mounting plate.
5. The material automatic weighing scale according to claim 4 is characterized in that: A buffering member for buffering environmental vibration is arranged between the mounting plate and the main frame, and the buffering member is a rubber pad or a thrust spring.
6. The automatic material weighing scale according to any one of claims 2 to 5, characterized in that: The main frame is fixedly provided with an air supply mechanism for supplying air to the air pipe, the silo is fixedly provided with a vibration motor, the control valve is opened and closed by a cylinder, and the air supply mechanism is connected to the cylinder.