CN211336624U - Device for automatically and accurately packaging citric acid and salts thereof - Google Patents
Device for automatically and accurately packaging citric acid and salts thereof Download PDFInfo
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- CN211336624U CN211336624U CN201922216504.8U CN201922216504U CN211336624U CN 211336624 U CN211336624 U CN 211336624U CN 201922216504 U CN201922216504 U CN 201922216504U CN 211336624 U CN211336624 U CN 211336624U
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Abstract
The utility model belongs to the technical field of weighing and packaging material equipment, in particular to a device for automatically and accurately packaging citric acid and salts thereof, which comprises a stock bin, a rotation-resistant material level switch, an automatic packaging scale and a knife-shaped valve, wherein the upper part of the stock bin is connected with a device for producing citric acid and salts thereof, and the lower part of the stock bin is connected with the automatic packaging scale through the knife-shaped valve; the rotation-resistant material level switch comprises a high-resistance rotation material level switch and a low-resistance rotation material level switch, a main shaft of the high-resistance rotation material level switch penetrates through the position of the high material level on the bin wall of the bin, and a main shaft of the low-resistance rotation material level switch penetrates through the position of the low material level on the bin wall of the bin; automatic packing scale, knife valve, hinder device and the PLC headtotail of rotating the material level switch and production material, the device can prepare to detect the material level, effectively avoids detecting the false alarm because of the dust or the material level that the wall material caused, thereby accurately weighs citric acid and its salt and packs, has reduced the quality risk, improves production efficiency and product quality, practices thrift manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of the packing material equipment of weighing, concretely relates to automatic device of accurate packing citric acid and salt thereof.
Background
In the packaging production process of fine citric acid and salts thereof, due to the characteristics of the citric acid and the salts thereof, after the citric acid and the salts thereof are dried and screened into a packaging bin, the citric acid and the salts thereof have more fine dust and are easy to absorb moisture and then form a wall. The tuning fork level meter is used for solving the problem that the tuning fork level meter in the prior art has a great defect, the tuning fork level meter mainly measures the level state by utilizing the resonance principle, citric acid and salt micro powder thereof are attached to the tuning fork in a storage bin, after a long time, the tuning fork is pasted by dust, or the tuning fork is completely surrounded by the storage bin wall material, so that the storage bin level is always displayed to be full, and in the packaging production process of fine citric acid and salt thereof, the tuning fork cannot be frequently opened and cleaned in order to prevent foreign matter risks and improve the working efficiency of an automatic packaging line. In case behind the wrong report feed bin material level, automatic packing balance receives behind the false signal, can continue automatic packaging production, and it is too low to pack feed bin material level, leads to automatic packing weight to weigh inaccurately, causes the waste of quality risk and material, package material and influences production efficiency greatly.
SUMMERY OF THE UTILITY MODEL
A great deal of weak point to prior art equipment existence, the utility model provides an automatic device of accurate packing citric acid and salt thereof uses high, low resistance rotary material level switch to citric acid and salt characteristic, can prepare to detect the material level, effectively avoids because of the dust or the material level that the knot wall material caused detects the misinformation, thereby accurately weighs citric acid and salt and packs, has reduced the quality risk, improves production efficiency and product quality, practices thrift manufacturing cost.
The utility model discloses a concrete technical scheme is:
a device for automatically and accurately packaging citric acid and salts thereof comprises a stock bin, a rotation-resistant material level switch, an automatic packaging scale and a knife-shaped valve, wherein the upper part of the stock bin is connected with a device for producing citric acid and salts thereof, and the lower part of the stock bin is connected with the automatic packaging scale through the knife-shaped valve; the rotation-resistant material level switch comprises a high-resistance rotation material level switch and a low-resistance rotation material level switch, a main shaft of the high-resistance rotation material level switch penetrates through the position of the high material level on the bin wall of the bin, and a main shaft of the low-resistance rotation material level switch penetrates through the position of the low material level on the bin wall of the bin; the packing scale, the knife valve, the rotation-resistant material level switch and the device for producing citric acid and salts thereof are connected with the PLC system.
Preferably, the main shafts of the high-resistance material level rotating switch and the low-resistance material level rotating switch are provided with tetrafluoro sleeves at the positions penetrating through the wall of the storage bin.
Preferably, the high-resistance rotary material level switch is arranged in a bin which is 50-100cm vertically downwards at the top of the bin, the low-resistance rotary material level switch is arranged in a bin which is 50-100cm vertically upwards of the knife-shaped valve, and the arrangement of the low-resistance rotary material level switch is related to the lowest precision of the automatic packing scale.
Preferably, the spindle of the rotation-resistant material level switch is connected with the wall of the storage bin through a clamp, so that the rotation-resistant material level switch is convenient to disassemble, assemble, inspect and maintain.
The middle rotation-resistant material level switch of the utility model detects the material level by the rotation of the middle rotation-resistant material level switch, and the self characteristics effectively avoid the influence of material dust and wall formation, when the material covers the material level, the rotation-resisting type material level switch stops rotating to display the material level of the storage bin, when the material is emptied below the material level switch, the rotation-resisting material level switch rotates again to display that no material exists, when the low-resistance rotary material level switch displays no material, the signal is transmitted to the PLC system, the PLC system controls the knife-shaped valve to be closed, the automatic packing scale to stop weighing and packing is controlled, the device for producing citric acid and salts thereof is controlled to start working, the material production is started, when the low-resistance rotary material level switch displays the existence of the material, the signal is transmitted to the PLC system to control the opening of the knife-shaped valve and the start of weighing and packaging of the automatic packaging scale, when the high-resistance rotary material level switch displays that materials exist, signals are fed back to the PLC system to control the device for producing the citric acid and the salts thereof to stop working.
The utility model discloses, hinder the material level that detects that the material level switch can be accurate soon to can give the PLC system to the timely accurate feedback of signal, thereby control knife valve, automatic packing scale and the device of production citric acid and its salt, guarantee the continuous stability of automatic packaging production, reduce because of the inaccurate quality problems that leads to the fact the packing to weigh of material level, reduce the production of defective work simultaneously, practice thrift manufacturing cost, device simple structure, safe and reliable, location are accurate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure, 1 is a storage bin, 2 is a high-resistance material level rotating switch, 3 is a low-resistance material level rotating switch, 4 is a knife valve, and 5 is an automatic packing scale.
Detailed Description
In order to make the technical solution of the present invention clearer, the following description, with reference to the accompanying drawings, further illustrates the present invention in detail, and the specific examples described herein are only used for explaining the present invention, and are not used for limiting the present invention.
As shown in fig. 1, the device for automatically and accurately packaging citric acid and salts thereof provided by the present invention comprises a storage bin 1, a rotation-resistant material level switch, an automatic packaging scale 5 and a knife-shaped valve 4, wherein the upper part of the storage bin 1 is connected with a device for producing citric acid and salts thereof, and the lower part of the storage bin 1 is connected with the automatic packaging scale 5 through the knife-shaped valve 4; the rotation-resistant material level switch comprises a high rotation-resistant material level switch 2 and a low-resistance rotation material level switch 3, the high rotation-resistant material level switch 2 is arranged in a bin 1 which is 50-100cm vertically downwards at the top of the bin, a main shaft of the high rotation-resistant material level switch 2 penetrates through the bin wall of the bin 1 and is connected through a clamp, the low rotation material level switch 3 is arranged in the bin 1 which is 50-100cm vertically upwards of a knife valve 4, a main shaft of the low rotation material level switch 3 penetrates through the bin wall of the bin 1 and is connected through the clamp, and a polytetrafluoroethylene sleeve is arranged at the position where the main shaft of the high rotation-resistant material level switch 2 and the main shaft of; the automatic packing scale 5, the knife-shaped valve 4, the rotation-resistant material level switch and the device for producing citric acid and salts thereof are connected with the PLC system.
The specific implementation process comprises the steps that after the device is installed, the low-resistance rotary material level switch 3 rotates to display that the material level is material-free, signals are transmitted to the PLC system, the knife-shaped valve 4 is controlled to be closed, the automatic packaging scale 5 is controlled to stop working, the device for producing citric acid and salts of citric acid starts to work, the material begins to be produced, the low-resistance rotary material level switch 3 stops rotating to display the material level, the signals are fed back to the PLC system, the knife-shaped valve 4 is controlled to be opened, the automatic packaging scale 5 is controlled to start working, when the high-resistance rotary material level switch 2 stops rotating, the material level is displayed, and the PLC system controls the device for producing citric.
Claims (4)
1. A device for automatically and accurately packaging citric acid and salts thereof comprises a stock bin (1), a rotation-resistant material level switch, an automatic packaging scale (5) and a knife-shaped valve (4), wherein the upper part of the stock bin (1) is connected with a device for producing citric acid and salts thereof, and is characterized in that the lower part of the stock bin (1) is connected with the automatic packaging scale (5) through the knife-shaped valve (4); the rotation-resistant material level switch comprises a high rotation-resistant material level switch (2) and a low rotation-resistant material level switch (3), wherein a main shaft of the high rotation-resistant material level switch (2) penetrates through the position of the high material level on the bin wall of the bin (1), and a main shaft of the low rotation-resistant material level switch penetrates through the position of the low material level on the bin wall of the bin (1); the automatic packing scale (5), the knife-shaped valve (4), the rotation-resistant material level switch and the device for producing citric acid and salts thereof are connected with the PLC system.
2. The device for automatically and accurately packaging citric acid and salts thereof according to claim 1, wherein the main shafts of the high resistance material rotation level switch (2) and the low resistance material rotation level switch (3) are provided with tetrafluoro sleeves at positions penetrating through the bin wall of the bin (1).
3. The device for automatically and accurately packaging the citric acid and the salts thereof as claimed in claim 1, wherein the high resistance material level rotating switch (2) is arranged in the 50-100cm storage bin (1) vertically downward from the top of the storage bin, and the low resistance material level rotating switch (3) is arranged in the 50-100cm storage bin (1) vertically upward from the knife valve.
4. The device for automatically and accurately packaging citric acid and salts thereof according to claim 1, wherein the connection between the main shaft of the rotation-resistant material level switch and the storage bin (1) is a clamping connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922216504.8U CN211336624U (en) | 2019-12-11 | 2019-12-11 | Device for automatically and accurately packaging citric acid and salts thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922216504.8U CN211336624U (en) | 2019-12-11 | 2019-12-11 | Device for automatically and accurately packaging citric acid and salts thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211336624U true CN211336624U (en) | 2020-08-25 |
Family
ID=72093541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922216504.8U Active CN211336624U (en) | 2019-12-11 | 2019-12-11 | Device for automatically and accurately packaging citric acid and salts thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211336624U (en) |
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2019
- 2019-12-11 CN CN201922216504.8U patent/CN211336624U/en active Active
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