CN210893379U - High-precision dynamic flow scale based on pushing mode - Google Patents
High-precision dynamic flow scale based on pushing mode Download PDFInfo
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- CN210893379U CN210893379U CN201921229557.7U CN201921229557U CN210893379U CN 210893379 U CN210893379 U CN 210893379U CN 201921229557 U CN201921229557 U CN 201921229557U CN 210893379 U CN210893379 U CN 210893379U
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Abstract
A high-precision dynamic flow scale based on a pushing mode comprises a pushing device for pushing materials to advance, a conveying platform for conveying the materials and a weighing device; the pushing device comprises a pushing belt and a driving motor for driving the pushing belt to operate, and pushing partition plates are arranged on the pushing belt at equal intervals; the conveying platform comprises a weighing flat plate front part platform, a weighing flat plate part and a weighing flat plate rear part platform which are sequentially connected in front and back, the weighing flat plate front part platform is provided with a front slope and a front platform, the upper part of the front slope is connected with the feed inlet, the lower part of the front slope is connected with the front platform, and the front platform is connected with the weighing flat plate part; the platform at the rear part of the weighing flat plate comprises a rear platform and a rear slope, the weighing flat plate part is connected with the rear platform, the rear platform is connected with the upper end of the rear slope, and the lower end of the rear slope is connected with the discharge hole; the whole pushing platform is not influenced by movement; the weighing flat plate part is provided with a weighing device. The utility model provides a higher high accuracy dynamic flow of precision is called based on push mode.
Description
Technical Field
The utility model relates to a flow is called, especially a high accuracy developments flow is called based on push mode.
Background
In the industries of tea processing, traditional Chinese medicinal materials, food, chemical industry, electromechanical industry and the like, the real-time flow of a material to be processed is very important data influencing the stable quality and the excellent quality of the processed material, and the high-precision flow is called as key equipment for measuring the flow of the material. Especially on an automated production line, all production processes are continuous, and the flow rate of the production line is a very important process parameter. The flow is often measured in motion, such as a conveyor belt, in the motion process, due to factors such as mechanical precision, belt tension and vibration, the real reflection of sensor data is seriously influenced, the sensor runs for a long time, the number of unstable factors is large, the accumulated error is uncontrollable, and particularly, the error is very large in the measurement of small flow, so that the practical value is not high.
Disclosure of Invention
Big and many in order to overcome real-time flow balance measurement accuracy influence factor, long-term operation is unstable, and mechanical structure precision and transmission part stability require not high not enough, the utility model provides a higher high accuracy dynamic flow balance based on push mode of precision, motion drive arrangement settle on pusher, and installation weighing device's conveying platform does not have motion drive arrangement, and at the in-process of propelling movement material, conveying platform is static completely, and weighing device does not receive the motion to influence completely.
The utility model provides a technical scheme that its technical problem adopted is:
a high-precision dynamic flow scale based on a pushing mode comprises a pushing device for pushing materials to advance, a conveying platform for conveying the materials and a weighing device;
the pushing device comprises a pushing belt and a driving motor for driving the pushing belt to operate, and pushing partition plates are arranged on the pushing belt at equal intervals;
the conveying platform comprises a weighing flat plate front part platform, a weighing flat plate part and a weighing flat plate rear part platform which are sequentially connected in front and back and are separated independently, the weighing flat plate front part platform is provided with a front slope and a front platform, the upper part of the front slope is connected with the feed inlet, the lower part of the front slope is connected with the front platform, and the front platform is connected with the weighing flat plate part; the platform at the rear part of the weighing flat plate comprises a rear platform and a rear slope, the weighing flat plate part is connected with the rear platform, the rear platform is connected with the upper end of the rear slope, and the lower end of the rear slope is connected with the discharge hole;
the weighing flat plate part is provided with a weighing device.
Further, the weighing device comprises a weight sensor and a position sensor, the weighing flat plate part is divided into a weighing platform, the weight sensor is arranged below the weighing platform, the position sensor is respectively arranged at the front end and the rear end of the weighing platform, the front position sensor detects whether the pushing partition plate enters the weighing platform, and the rear position sensor detects whether the pushing partition plate leaves the weighing platform; the interval between the adjacent pushing partition plates is matched with the length of the weighing platform. The weighing device isolates the influence of the movement of the mechanism.
And furthermore, a third position sensor is arranged in the weighing platform, whether a pushing partition plate reaches the position is detected, the position of the pushing partition plate is determined according to the signal of the position sensor, a real-time data acquisition signal is generated, and the weight and the acquisition time are acquired in real time.
Preferably, the conveying belt is a belt or a moving chain.
The interval between the adjacent pushing partition plates is the same as the length of the weighing platform.
The technical conception of the utility model is as follows: the dynamic real-time flow scale is characterized in that a measuring object moves, vibration and instability in the movement greatly interfere a weighing sensor, and a large error is generated. Therefore, the technical idea of the utility model is that the conveying platform at the mounting side of the weighing sensor is static, so that the influence of the motion of the conveying mechanism, which is effectively isolated, on the weighing sensor is effectively improved, and the weighing precision is greatly improved; the material flows, and then data such as the material weight and the collection time of the weighing platform are obtained through a dynamic data collection technical means, so that real-time flow data can be calculated, and the flow weighing function is realized.
The beneficial effects of the utility model are that: the weighing sensor side conveying platform is static, so that logistics flow is realized, the influence caused by the motion of a conveying belt of a common flow scale is completely isolated, the measurement precision of the dynamic flow scale is greatly improved, and the high-precision measurement from very small flow to very large flow is realized.
Drawings
Fig. 1 is a schematic diagram of a dynamic traffic scale based on a push mode.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, a high accuracy dynamic flow balance based on push mode includes the pusher that the propelling movement material was advanced, the conveying platform and weighing device and the real-time data collection device that the material was carried.
The pushing device comprises a driving motor, a chain or a belt which rotates in a circulating mode, and pushing partition plates which are uniformly arranged on the chain or the belt at intervals. The rotating speed of the driving motor is fixed or adjustable. The distance between the pushing partition plates is slightly larger than the length of the weighing platform. The distance between the pushing interval and the plane of the lower conveying platform plate is less than 2 mm. The distance is small enough, the conveying platform surface is not touched, and the materials are pushed to advance without omission.
Further, the material conveying platform comprises a weighing flat plate front part platform, a weighing flat plate part and a weighing flat plate rear part platform, wherein the weighing flat plate front part platform is completely fixed and used for receiving the material to be conveyed, and the part is separated from the weighing flat plate part. The weighing plate part is a rigid fixed plate, a weighing sensor is arranged below the weighing plate part, the weighing plate part is free in the vertical direction, and the weight of materials placed on the weighing plate part can be measured by the sensor. The platform at the rear part of the weighing flat plate is completely fixed, and materials enter the platform and move out of the flow scale, so that the materials are separated from the weighing flat plate part. On the upper layer surface of the conveyed material, the adjacent parts are ensured to have small gaps and not to influence each other, and in order to prevent the material from entering the gaps of the adjacent parts, thin plastic paper with good flexibility can also be paved on the gaps.
The weighing device comprises a weighing sensor, a weighing flat plate and a position sensor. The weighing sensors need to provide a real-time data acquisition interface, the acquisition frequency is set according to the application scene requirements of the flow scale, and the number of the weighing sensors can be determined according to the requirements; the weighing flat plate is used for ensuring that the materials on the weighing flat plate can be accurately measured by the weighing sensor; the position sensor detects the position of the pushing partition plate, the sampling time is determined, and the number and the installation position of the position sensor can be determined according to the requirement. In the example, 1 weighing sensor is installed, 1 position sensor is installed, and the installation positions are shown in figure 1.
In this embodiment, the mechanical structure is to ensure that the material to be weighed is seamlessly matched with the real-time collection, that is, the weighed material is completely moved out of the weighing flat plate, and the material to be weighed is completely put into the weighing flat plate to perform real-time weight collection. The real-time data acquisition means recording the current acquisition weight and the current acquisition interval time, and the current acquisition weight/the current acquisition interval time is called the real-time flow. The current collection weight is accumulated through software to obtain the total weight of the material, the current collection interval time is accumulated to obtain the total working time of the flow scale, and the total weight of the material/the total working time is equal to the real-time average flow of the flow scale.
The dynamic flow scale structure of the embodiment is shown in the following figure 1, and comprises a driving motor 1, a driving wheel 2, a pushing partition plate 3 which is uniformly arranged, a belt 4 which rotates circularly, a platform 10 at the front part of a weighing flat plate, a weighing flat plate part 6 and a weighing flat plate rear part 5. The platform 10 at the front part of the weighing plate consists of a platform and a slope, so that materials can enter conveniently. A load cell 7 and a position sensor 8 mounted in the load plate portion 6. The rear part 5 of the weighing flat plate consists of a platform and a discharging slope, so that the materials are convenient to output. And a human-computer interface 9 for real-time data acquisition, flow calculation and display operation. The human-computer interface is used for collecting and displaying the flow scale information, and can also transmit data to a third party and collect data of the third party.
Claims (5)
1. A high-precision dynamic flow scale based on a pushing mode is characterized by comprising a pushing device for pushing materials to advance, a conveying platform for conveying the materials and a weighing device;
the pushing device comprises a pushing belt and a driving motor for driving the pushing belt to operate, and pushing partition plates are arranged on the pushing belt at equal intervals;
the conveying platform comprises a weighing flat plate front part platform, a weighing flat plate part and a weighing flat plate rear part platform which are sequentially connected in front and back and separated, the weighing flat plate front part platform is provided with a front slope and a front platform, the upper part of the front slope is connected with the feed inlet, the lower part of the front slope is connected with the front platform, and the front platform is connected with the weighing flat plate part; the platform at the rear part of the weighing flat plate comprises a rear platform and a rear slope, the weighing flat plate part is connected with the rear platform, the rear platform is connected with the upper end of the rear slope, and the lower end of the rear slope is connected with the discharge hole;
the weighing flat plate part is provided with a weighing device.
2. The high-precision dynamic flow scale based on the pushing mode as claimed in claim 1, wherein the weighing device comprises a weight sensor and a position sensor, the weighing flat plate part is divided into a weighing platform, the weight sensor is installed below the weighing platform, the position sensor is installed at each of the front end and the rear end of the weighing platform, the front position sensor detects whether the pushing partition plate is to enter the weighing platform, and the rear position sensor detects whether the pushing partition plate is to leave the weighing platform; the interval between the adjacent pushing partition plates is matched with the length of the weighing platform.
3. The high-precision dynamic flow scale based on the pushing mode as claimed in claim 2, wherein the third position sensor is installed inside the weighing platform, detects whether the pushing partition plate reaches the position, determines the position of the pushing partition plate according to the signal of the position sensor, generates a real-time data acquisition signal, and acquires the weight and the acquisition time in real time.
4. A high-precision dynamic flow scale based on a pushing mode according to any one of claims 1-3, characterized in that the pushing belt is a belt or a moving chain.
5. A high-precision dynamic flow scale based on a pushing mode as claimed in any one of claims 1 to 3, wherein the interval between adjacent pushing partition plates is the same as the length of the weighing platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201921229557.7U CN210893379U (en) | 2019-08-01 | 2019-08-01 | High-precision dynamic flow scale based on pushing mode |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921229557.7U CN210893379U (en) | 2019-08-01 | 2019-08-01 | High-precision dynamic flow scale based on pushing mode |
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| CN210893379U true CN210893379U (en) | 2020-06-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455388A (en) * | 2019-08-01 | 2019-11-15 | 浙江工业大学 | Dynamic High-accuracy flow based on push mode claims |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455388A (en) * | 2019-08-01 | 2019-11-15 | 浙江工业大学 | Dynamic High-accuracy flow based on push mode claims |
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