Safe feeding system for powder tank of mixing station
Technical Field
The utility model relates to a technical field is stored to the concrete, and more specifically says, it relates to a mixing station powder jar safety feeding system.
Background
The concrete mixing plant mainly comprises 5 large systems such as a mixing host, a material weighing system, a material conveying system, a material storage system, a control system and the like, and other accessory facilities. As the building aggregate metering is compared with the station aggregate metering, four intermediate links are reduced, and the metering time is saved because of vertical blanking metering, the production efficiency is greatly improved. The concrete powder tank is a tank body for storing concrete powder raw materials.
The existing Chinese patent with the publication number of CN207861438U discloses a powder feeding system of a mixing plant, which comprises an air compressor unit, a conveying pipeline, an air storage tank, a filter, a cold dryer, an automatic feeding control system, an electromagnetic valve and a powder bin system, wherein the air compressor unit is a compressed air generating and controlling system, the air storage tank is an air storage cylinder tank body communicated with an outlet of the air compressor unit, the cold dryer is a compressed air cold drying processor arranged in the conveying pipeline, the filter is a conveying pipeline with compressed air and is provided with two dewatering and drying columns, the powder bin system is an automatically controlled powder mixing tank, the electromagnetic valve is an electromagnetic control valve arranged at the tail ends of the compressed air conveying pipeline and the powder conveying pipeline, and the automatic feeding control system is a feeding centralized control system electrically coupled with the air compressor unit, the electromagnetic valve and the powder bin system.
However, when the existing feeding system carries out feeding storage on materials, different materials are often stored in different tank bodies, however, after the feeding system is used for a long time, marks on the surface of a conveying pipeline can be covered by powder or dust, and at the moment, workers easily appear to mistake the materials to cause production accidents, so that great economic loss is caused, and the problem needs to be improved.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a mixing station powder jar safety feeding system, it has the probability that effectively reduces the powder at material loading in-process mistake storage tank, has reduced because of the material mistake mixes the advantage that produces the production accident and lead to economic loss.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a safe feeding system of a powder tank of a mixing station comprises a storage tank and a feeding pipeline, wherein the feeding pipeline is arranged on the side wall of the storage tank and communicated with the inside of the storage tank, and is provided with a feeding hole; the material loading pipeline is characterized in that an electromagnetic valve is arranged at the middle position of the material loading pipeline, the electromagnetic valve is electrically connected with a control chip, the control chip is electrically connected with a wireless communication module, and a locking valve is arranged at one end, close to the material loading port, of the material loading pipeline.
Through adopting above-mentioned technical scheme, wireless communication module will come from the radio signal transmission in pound room for the corresponding control chip of the play feed tank that needs the material loading, control chip control solenoid valve is opened, and the setting of cooperation lock valve can effectively reduce the probability in the staff with the wrong storage tank on the material, has reduced the probability of production accident.
Further, the feed opening is connected with a blanking pipe, a rotary locking rod is arranged at the joint of the blanking pipe and the feed opening, and a rotary locking groove is formed in the position, located on the rotary locking rod, of the feed opening.
Through adopting above-mentioned technical scheme, rotatory locking lever and rotatory locking groove matched with set up and be convenient for carry out butt joint with blanking pipe and material loading mouth fixed to be convenient for fix blanking pipe at the blanking mouth steadily, thereby be convenient for carry out the material loading to the powder.
Further, the joint detection device is arranged at the joint of the side wall of the feeding port and the blanking pipe and is electrically connected with the control chip.
Through adopting above-mentioned technical scheme, whether butt joint detection device's setting is convenient for dock with the feed opening to whether be convenient for after the butt joint is accomplished the signal take place and open the solenoid valve for control chip, and close the solenoid valve when butt joint detection device detects the unloading pipe and does not dock, thereby effectively reduce and spill along the material loading pipeline because of the powder that the unloading pipe does not dock and lead to, reduce extravagantly.
Furthermore, a closed rubber ring is arranged on the surface of one side, close to the blanking pipe, of the butt joint detection device.
Through adopting above-mentioned technical scheme, the unloading pipe supports tightly to sealing rubber ring with the material loading mouth lateral wall when rotatory locking lever inserts rotatory locking groove to improved the leakproofness of unloading pipe with material loading mouth butt joint department, provided a pressure to butt joint detection device simultaneously, be convenient for butt joint detection device's detection.
Furthermore, the control chip and the outer side wall of the wireless communication module are provided with a closed shell, and the closed shell is fixed on the feeding pipeline through a sliding ring.
Through adopting above-mentioned technical scheme, the setting of close casing is convenient for seal and the protection to inside control chip and wireless communication module, effectively reduces dust and gathers and influence the heat dissipation on the control chip.
Further, a heat dissipation fan is arranged inside the closed shell and electrically connected with the control chip.
Through adopting above-mentioned technical scheme, radiator fan's setting is convenient for blow the inside air of protection casing to control chip, has promoted the air flow around the control chip, has improved the radiating effect of radiating chip. Meanwhile, the arrangement of the heat radiation fan is helpful for reducing dust accumulation on the surface of the control chip, and the reduction of heat radiation effect caused by dust accumulation is reduced.
Furthermore, an embedded hole is formed in the bottom end of the closed shell, and a filter screen is arranged in the embedded hole.
Through adopting above-mentioned technical scheme, the setting of embedding hole and filter screen is convenient for filter the air when guaranteeing inside and outside air exchange of protection casing, and it is inside to reduce dust and dust entering protection casing.
Furthermore, the side wall of the embedding hole is provided with a limiting ring plate, a magnetic part is arranged on the surface of the limiting ring plate, and the outer side wall of the filter screen is fixedly connected with an adsorption part adsorbed with the magnetic part.
Through adopting above-mentioned technical scheme, the quick dismantlement of filter screen is convenient for realize in the setting of spacing ring board, magnetic part and absorption piece to it is clean to be convenient for realize the dismantlement of filter screen, guarantees the effect of filtering and ventilation.
To sum up, the utility model discloses following beneficial effect has:
1. the technology that an electromagnetic valve controlled by a control chip connected with a wireless communication module is matched with a locking valve is adopted, so that the safety guarantee of the feeding process is realized through double locking, and the effect of mistakenly feeding the material storage tank due to the error of operators is reduced;
2. the technology that the rotary locking rod, the rotary locking groove, the butt joint detection device, the control chip and the closed rubber ring are matched is adopted, so that the electromagnetic valve is opened only after the butt joint of the blanking pipe and the feeding port is completed, and the electromagnetic valve is closed in time when the blanking pipe is separated from the feeding port, so that the effects of closing the pipeline in time and reducing waste are achieved;
3. the technology that the closed shell, the heat dissipation air, the embedded hole, the filter screen, the magnetic part and the adsorption part are matched is adopted, so that the effects of protecting the control chip and the wireless communication module, reducing dust accumulation and facilitating heat dissipation and protection are achieved.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a powder tank safety feeding system of a mixing station in an embodiment;
FIG. 2 is a schematic structural diagram for showing a control relationship at a control chip in the embodiment;
FIG. 3 is a schematic diagram for showing the structures of a feeding port and a discharging pipe in the embodiment;
fig. 4 is a schematic diagram for showing a structure at the protective case in the embodiment.
In the figure: 1. a material storage tank; 11. a feeding pipeline; 111. a feeding port; 1111. a rotation locking groove; 1112. a docking detection device; 1113. sealing the rubber ring; 2. an electromagnetic valve; 21. a control chip; 211. a wireless communication module; 3. locking the valve; 4. a discharging pipe; 41. rotating the locking lever; 5. a closed housing; 51. a slip ring; 511. protecting the rubber pad; 52. a heat radiation fan; 53. embedding holes; 531. a limit ring plate; 5311. a magnetic member; 6. a filter screen; 60. a fixing frame; 61. an adsorbing member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
the utility model provides a mixing station powder jar safety feeding system, refers to fig. 1, and it includes storage tank 1 and material loading pipeline 11, and material loading pipeline 11 sets up the lateral wall at storage tank 1 and inlays the solid in storage tank 1, and the material loading pipe communicates with each other with storage tank 1 is inside, and material loading pipeline 11 is provided with material loading mouth 111, and the material is followed material loading mouth 111 and is stored in material storage tank 1 through material loading pipeline 11 input.
Referring to fig. 1 and 2, an electromagnetic valve 2 is arranged in the middle of the feeding pipeline 11, the electromagnetic valve 2 is preferably a direct-acting electromagnetic valve 2, the electromagnetic valve 2 is electrically connected with a control chip 21, and the control chip 21 is preferably an STM32 type single chip microcomputer manufactured by seiko semiconductor corporation. Control chip 21 electricity is connected with wireless communication module 211, and wireless communication module 211 is GPRS communication module, and the one end that material loading pipeline 11 is close to material loading mouth 111 is provided with lock valve 3, and lock valve 3 is manual mechanical valve, realizes the switching through the assorted key.
Referring to fig. 1 and 2, after the powder tanker is weighed, the pound room sends a control signal to the control chip 21 corresponding to the storage tank 1 needing to be loaded in a wireless mode, the control chip 21 controls the electromagnetic valve 2 to be opened, when the electromagnetic valve 2 and the lock valve 3 are opened simultaneously, the installation is correct, otherwise, the loading pipeline 11 is not communicated.
Referring to fig. 3, the feeding port 111 is connected to the discharging pipe 4, and the discharging pipe 4 is connected to a high pressure hose and is communicated with the powder tank. Unloading pipe 4 is provided with rotatory locking lever 41 with feed opening 111 department of laminating mutually, and rotatory locking lever 41 lateral wall integrated into one piece has the locking piece, and feed opening 111 is located rotatory locking lever 41 department and is provided with rotatory locking groove 1111, and rotatory locking groove 1111 is provided with and supplies locking piece male breach, and rotatory locking lever 41 inserts rotatory locking groove 1111 internal rotation, and the locking piece offsets with the locking inslot lateral wall and realizes the locking.
Referring to fig. 3, a butt joint detection device 1112 is disposed at a joint of a side wall of the feeding port 111 and the blanking tube 4, the butt joint detection device 1112 is preferably a piezoelectric pressure sensor, the butt joint detection device 1112 is electrically connected to the control chip 21, when the blanking tube 4 is butted with the feeding port 111, the side wall of the blanking tube 4 has a pressure on the butt joint detection device 1112, and at this time, the pressure sensor sends an action potential to the control chip 21.
Referring to fig. 3, a closed rubber ring 1113 is disposed on a side surface of the docking detection device 1112 close to the blanking pipe 4, the size of the closed rubber ring 1113 is larger than that of the feeding port 111, and the closed rubber ring is fixed on a side wall of the feeding port 111 in an embedding manner, so that the sealing degree of the feeding port 111 and the blanking pipe 4 is improved, and the docking force to the pressure sensor is increased when the feeding port 111 is docked with the blanking pipe 4.
Referring to fig. 4, the outer side walls of the control chip 21 and the wireless communication module 211 are provided with a closed shell 5, the closed shell 5 is a PVC support, the closed shell 5 is a square integral shell with an opening at one end, and the closed shell 5 is fixed on the feeding pipeline 11 through a sliding ring 51. The sliding ring 51 is embedded in the closed shell 5, the sliding ring 51 is a hoop fixed by bolts, and a protective rubber pad 511 is arranged inside the sliding ring 51.
Referring to fig. 2 and 4, a heat dissipation fan 52 is disposed inside the closed casing 5, the heat dissipation fan 52 is fixed on a side of the closed casing 5 away from the control chip 21, the heat dissipation fan 52 is preferably an axial fan, a direction of heat dissipation is toward the control chip 21, and the heat dissipation fan 52 is electrically connected to the control chip 21.
Referring to fig. 4, the bottom end of the sealing case 5 is provided with an embedding hole 53, and the embedding hole 53 is a square through hole and is communicated with the inside of the sealing case 5. The filter screen 6 is arranged at the embedding hole 53, and the size of the filter screen 6 is matched with that of the embedding hole 53. The filter screen 6 lateral wall is provided with fixed frame 60, and the size of fixed frame 60 is the same with seal shell 5's size, and seal shell 5 filter screen 6's aperture is less than the particle diameter of cement, and filter screen 6 seals seal shell 5 and keeps the inside and outside circulation of air of casing.
Referring to fig. 4, the side wall of the embedding hole 53 is provided with a limit ring plate 531, and the size of the limit ring plate 531 is smaller than that of the embedding hole 53 and larger than that of the filter screen 6. The surface of the limit ring plate 531 close to the filter screen is provided with a magnetic part 5311, the magnetic part 5311 is preferably a magnet ring, the magnet ring is adhered to the limit ring plate 531, the outer side wall of the filter screen 6 is fixedly connected with an adsorption part 61 adsorbed to the magnetic part 5311, and the adsorption part 61 is adhered to the fixing frame 60.
The working principle is as follows:
when the powder tanker enters the loading port 111 after the platform house passes through the platform scale, the platform house sends a control signal to the control chip 21 of the corresponding loading pipeline 11 needing loading in a wireless mode. The operator inserts the rotary locking rod 41 of the blanking tube 4 into the rotary locking groove 1111 and locks the blanking tube 4 by rotation, and the blanking tube 4 extrudes the sealing rubber ring at this time. After detecting the pressure signal, the docking detection device 1112 sends an action potential to the control chip 21, and the control chip 21 sends a control signal to open the solenoid valve 2. Then the operator opens the lock valve 3, thereby realizing the feeding.
When the blanking pipe 4 is connected to the wrong feeding hole 111, the control chip 21 does not control the electromagnetic valve 2 to be opened, and the key of the locking valve 3 cannot open the locking valve 3, so that economic loss caused by wrong can on the material is effectively avoided.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.