Weighing system blanking valve alarm device

Abstract

The utility model relates to a weighing and blending system discharging valve alarm device which comprises a supporting table, a feeding hopper, a discharging valve, a star-shaped feeder, a granulator, a discharging hopper, a compressed air pipe, an electromagnetic valve, a first time delay valve, a first whistle, a second time delay valve, a second whistle, a pneumatic valve and a control system. The alarm device for the blanking valve of the weighing and distribution system is simple in structure, and the delay valve and the pneumatic valve are additionally arranged between the electromagnetic valve and the blanking valve, so that the problems that in the process of disassembling the blanking valve, when a switch of the blanking valve is touched by mistake, the opening or closing action of the blanking valve accidentally hurts a worker who is disassembling the blanking valve, and safety accidents are caused can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve alarm technical field, concretely relates to a kind of weighing and dispensing system unloading valve alarm device. BACKGROUND

[0002] Whole granulator granulation is fast, and effect is good, filter screen with special hole is designed, carefully screen filters, and its friction filter screen rod can be broken into screen filter solid particles, and it is widely used in pharmaceutical, chemical, food industry, in prior art, material is input from feeding port, enters the whole granulator and is granulated after entering unloading valve, the speed of unloading of unloading valve, unloading amount etc.

[0003] In summary, a weighing and dispensing system unloading valve alarm device is needed, which will alarm and remind when the unloading valve switch is accidentally touched, reminding the staff that the unloading valve will be opened or closed, and the disassembly action needs to be stopped immediately. SUMMARY

[0004] To solve the problem of the unloading valve switch being accidentally touched during the disassembly of the unloading valve in the weighing and dispensing system, which may injure the staff, the utility model provides a weighing and dispensing system unloading valve alarm device, which is simple in structure and can solve the problem of the unloading valve opening or closing action injuring the staff who is disassembling the unloading valve when the unloading valve switch is accidentally touched during the disassembly of the unloading valve, by adding a delay valve and a pneumatic valve between the electromagnetic valve and the unloading valve.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] A kind of weighing and dispensing system underflow valve alarm device, the weighing and dispensing system underflow valve alarm device includes support platform, feeding hopper, underflow valve, star feeder, whole grain machine, discharge hopper, compressed air pipe, electromagnetic valve, first delay valve, first whistle, second delay valve, second whistle, pneumatic valve and control system, the control system includes intermediate relay, PLC and touch screen, the feeding hopper is installed on support platform, the upper portion of underflow valve is connected with the underflow port of the lower end of feeding hopper, the lower portion of underflow valve is connected with star feeder, star feeder is connected with the whole grain machine feed port of the upper portion of whole grain machine, the whole grain machine discharge port of the lower portion of whole grain machine is connected with the discharge hopper inlet of the upper portion of discharge hopper, compressed air pipe is connected with the air inlet hole P1 of electromagnetic valve, the first air outlet hole A1 of electromagnetic valve is connected with the air inlet hole P2 of first delay valve, the first air outlet hole A2 of first delay valve is connected with the first air inlet hole A of pneumatic valve, the second air outlet hole B2 of first delay valve is connected with first whistle, the second air outlet hole B1 of electromagnetic valve is connected with the air inlet hole P3 of second delay valve, the first air outlet hole A3 of second delay valve is connected with the second air inlet hole B of pneumatic valve, the second air outlet hole B3 of second delay valve is connected with second whistle, the air outlet hole of pneumatic valve is connected with underflow valve, electromagnetic valve is connected with intermediate relay, PLC-17 and touch screen in turn by wire, the touch screen is installed on support platform.

[0007] Further, the upper portion of the feeding hopper is provided with a vacuum dust removal device.

[0008] Further, the bottom of the discharge hopper is provided with a discharge hopper outlet.

[0009] Further, the star feeder is provided with a star feeder motor, and the whole grain machine is provided with a whole grain machine motor.

[0010] The characteristics of the present application mainly include:

[0011] The weighing and dispensing system underflow valve alarm device provided by the present application has simple structure, and by installing delay valve and pneumatic valve between electromagnetic valve and underflow valve, the problem that the opening or closing action of underflow valve injures the worker who is disassembling when the underflow valve switch is accidentally touched during disassembling underflow valve, and causes safety accident can be solved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the weighing and dispensing system underflow valve alarm device of the present application

[0013] Wherein, the reference signs are as follows: 1-supporting table, 2-feeding hopper, 21-discharging port, 3-discharging valve, 4-star feeder, 41-star feeder motor, 5-granulator, 51-granulator motor, 52-granulator feeding port, 53-granulator discharging port, 6-discharging hopper, 61-discharging hopper inlet, 62-discharging hopper outlet, 7-compressed air pipe, 8-solenoid valve, 9-first time delay valve, 10-first whistle, 11-second time delay valve, 12-second whistle, 13-pneumatic valve, 14-vacuum dust removal device, 15-electric wire, 16-intermediate relay, 17-PLC, 18-touch screen. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the accompanying drawings of the structural schematic diagram of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.

[0015] As Figure 1As shown, a kind of weighing and batching system discharge valve alarm device, the weighing and batching system discharge valve alarm device includes support table 1, feeding hopper 2, discharge valve 3, star feeder 4, granulator 5, discharge hopper 6, compressed air pipe 7, solenoid valve 8, first delay valve 9, first whistle 10, second delay valve 11, second whistle 12, pneumatic valve 13 and control system, the control system includes intermediate relay 16, PLC-17 and touch screen 18, the support table 1 is used to support feeding hopper 2, the discharge valve 3 is used to control the discharge of material in feeding hopper 2, star feeder 4 is used to adjust the feeding speed and feeding amount, granulator 5 is used to granulate, mix etc., discharge hopper 6 is used to collect the material after granulation, compressed air pipe 7 is used to transport compressed air, solenoid valve 8 is used to control the switch of discharge valve 3, first delay valve 9 is used to control the discharge valve 3 when "valve opening", delay opening discharge valve 3, first whistle 10 is used to alarm prompt when discharge valve 3 opens, second delay valve 11 is used to control the discharge valve 3 when "valve closing", delay closing discharge valve 3, second whistle 12 is used to prompt alarm when discharge valve 3 closes, pneumatic valve 13 is used to control the switch of discharge valve 3, the control system is used to control the switch of weighing and batching system discharge valve, the intermediate relay 16 is used to convert one input signal into another output signal, realize the conversion between different signal type parameters, PLC-17 is responsible for processing various input signals, executes logic operation, controls output signal, touch screen 18 is mainly used as man-machine interface, is responsible for the control logic of PLC-17 with graphical way to show to user, and receives the operation instruction of user, and then these instructions are passed to PLC execution, the solenoid valve 8 includes solenoid valve air inlet hole P1, solenoid valve first air outlet hole A1 and solenoid valve second air outlet hole B1, the first delay valve 9 includes first delay valve air inlet hole P2, first delay valve first air outlet hole A2 and first delay valve second air outlet hole B2, the second delay valve 11 includes second delay valve air inlet hole P3, second delay valve first air outlet hole A3 and second delay valve second air outlet hole B3, the pneumatic valve 13 includes pneumatic valve first air inlet hole A, pneumatic valve second air inlet hole B and pneumatic valve air outlet hole, the feeding hopper 2 is installed on support table 1, the upper portion of discharge valve 3 is connected with the discharge port 21 of the lower end of feeding hopper 2, the lower portion of discharge valve 3 is connected with star feeder 4, star feeder 4 is connected with granulator feed port 52 of the upper portion of granulator, the lower portion of granulator 5 is connected with the upper portion of discharge hopper 6, the discharge hopper inlet 61 of discharge hopper 6, the compressed air pipe 7 is connected with the air inlet hole P1 of solenoid valve 8, the first air outlet hole A1 of solenoid valve 8 is connected with the air inlet hole P2 of first delay valve 9, the first air outlet hole A2 of first delay valve 9 is connected with the first air inlet hole A of pneumatic valve 13, the second air outlet hole B2 of first delay valve 9 is connected with first whistle 10, the second air outlet hole B1 of solenoid valve 8 is connected with the air inlet hole P3 of second delay valve 11,The first air outlet hole A3 of the second time delay valve 11 is connected with the second air inlet hole B of the pneumatic valve 13, the second air outlet hole B3 of the second time delay valve 11 is connected with the second whistle 12, the air outlet hole of the pneumatic valve 13 is connected with the discharging valve 3, the electromagnetic valve 8 is connected with the intermediate relay 16, the PLC-17 and the touch screen 18 in sequence through the electric wire 15, and the touch screen 18 is installed on the support table 1.

[0016] The upper portion of the feeding hopper 2 is provided with the vacuum dust removal device 14, the bottom of the discharging hopper 6 is provided with the discharging hopper outlet 62, the star feeder 4 is provided with the star feeder motor 41 which drives the star feeder 4 to work, and the sizing machine 5 is provided with the sizing machine motor 51 which drives the sizing machine 5 to work.

[0017] The specific working process is as follows:

[0018] After the feeding hopper 2, the discharging valve 3, the star feeder 4, the sizing machine 5 and the discharging hopper 6 are connected in sequence, the power supply of the weighing and batching system is turned on, when the feeding is needed, the “valve opening” on the touch screen 18 is clicked, the electromagnetic valve 8 is electrified, the compressed air flows from P1 to A1, the first time delay valve 9 has the compressed air, the first time delay valve 9 starts timing, at the same time, the compressed air flows from P2 to B2, the first whistle 10 is blown to prompt, after the time delay ends, the gas flows from P2 to A2, B2 has no gas, the first whistle 10 stops blowing, at the same time, the gas flows from A2 to A, the pneumatic valve 13 is opened, the discharging valve 3 is opened, the material enters from the feeding hopper 2, the dust and other particles of the material are removed by the vacuum dust removal device 14 to ensure the operation environment, the material passes through the discharging valve 3, the star feeder 4 controls the feeding speed and the feeding amount to prevent the pipeline from being blocked due to too fast feeding or too large feeding amount, the material enters the sizing machine 5 to be granulated, the granulated material enters the discharging hopper 6 to be collected, when the discharging valve 3 needs to be closed, the “valve closing” on the touch screen 18 is clicked, the electromagnetic valve 8 is de-energized, the compressed air flows from P1 to B1, at this time, A1 has no compressed air, the gas of B1 flows to P3, the second time delay valve 11 has the compressed air, the second time delay valve 11 starts timing, the gas flows from P3 to B3, the second whistle 12 is blown to prompt, after the time delay ends, the gas flows from P3 to A3, B3 has no gas, the second whistle 12 stops blowing, at the same time, the gas flows from A3 to B, the pneumatic valve 13 is closed, the discharging valve 3 is closed, and the material cannot pass through the discharging valve 3.

[0019] When the discharging valve 3 needs to be disassembled, the staff is disassembling the discharging valve 3, if the "open valve" button on the touch screen 18 is accidentally touched at this time, the electromagnetic valve 8 is powered, the compressed air flows from P1 to A1, the first delay valve 9 has compressed air, the first delay valve 9 starts timing, at the same time, the compressed air flows from P2 to B2, the first whistle 10 is blown to prompt, the staff needs to stop disassembling the discharging valve 3 after hearing the alarm prompt, otherwise, after the time delay ends, the gas flows from P2 to A2, at the same time, the gas flows from A2 to A, the pneumatic valve 13 is opened, the discharging valve 3 is opened, the opening action of the discharging valve 3 may accidentally injure the staff who is disassembling the discharging valve 3, causing a safety accident.

[0020] Similarly, when the "close valve" button on the touch screen 18 is accidentally touched, the electromagnetic valve 8 is de-energized, the compressed air flows from P1 to B1, at this time, A1 has no compressed air, the gas of B1 flows to P3, the second delay valve 11 has compressed air, the second delay valve 11 starts timing, the gas flows from P3 to B3, the second whistle 12 is blown to prompt, the staff needs to stop disassembling the discharging valve 3 after hearing the alarm prompt, otherwise, after the time delay ends, the gas flows from P3 to A3, at the same time, the gas flows from A3 to B, the pneumatic valve 13 is closed, the discharging valve 3 is closed, the closing action of the discharging valve 3 may accidentally injure the staff who is disassembling the discharging valve 3, causing a safety accident.

[0021] According to the above process, the problem that the opening or closing action of the discharging valve accidentally injures the staff who is disassembling the discharging valve and causes a safety accident when the discharging valve switch is accidentally touched during the disassembly of the discharging valve can be solved.

[0022] In summary, the discharging valve alarm device of the batching system has a simple structure, by installing the delay valve and the pneumatic valve between the electromagnetic valve and the discharging valve, the problem that the opening or closing action of the discharging valve accidentally injures the staff who is disassembling the discharging valve and causes a safety accident when the discharging valve switch is accidentally touched during the disassembly of the discharging valve can be solved.

[0023] It should be noted that the above description is only a preferred embodiment of the present application, and for those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be realized in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

Claims

1. A dosing valve alarm device for a batching system, characterized in that, The blanking valve alarm device of the batching system comprises a supporting table (1), a feeding hopper (2), a blanking valve (3), a star feeder (4), a granulator (5), a discharge hopper (6), a compressed air pipe (7), a solenoid valve (8), a first time delay valve (9), a first whistle (10), a second time delay valve (11), a second whistle (12), a pneumatic valve (13) and a control system, the control system comprises an intermediate relay (16), a PLC (17) and a touch screen (18), the feeding hopper (2) is installed on the supporting table (1), the upper part of the blanking valve (3) is connected with the blanking port (21) at the lower end of the feeding hopper (2), the lower part of the blanking valve (3) is connected with the star feeder (4), the star feeder (4) is connected with the granulator inlet (52) of the upper part of the granulator (5), the granulator outlet (53) of the lower part of the granulator (5) is connected with the discharge hopper inlet (61) of the upper part of the discharge hopper (6), the compressed air pipe (7) is connected with the air inlet hole P1 of the solenoid valve (8), the first air outlet hole A1 of the solenoid valve (8) is connected with the air inlet hole P2 of the first time delay valve (9), the first air outlet hole A2 of the first time delay valve (9) is connected with the first air inlet hole A of the pneumatic valve (13), the second air outlet hole B2 of the first time delay valve (9) is connected with the first whistle (10), the second air outlet hole B1 of the solenoid valve (8) is connected with the air inlet hole P3 of the second time delay valve (11), the first air outlet hole A3 of the second time delay valve (11) is connected with the second air inlet hole B of the pneumatic valve (13), the second air outlet hole B3 of the second time delay valve (11) is connected with the second whistle (12), the air outlet hole of the pneumatic valve (13) is connected with the blanking valve (3), the solenoid valve (8) is connected with the intermediate relay (16), the PLC (17) and the touch screen (18) in sequence through the electric wire (15), and the touch screen (18) is installed on the supporting table (1).

2. The batching system valve alarm apparatus of claim 1, wherein, A vacuum dust removal device (14) is arranged above the feeding hopper (2).

3. The batching system valve alarm apparatus of claim 2, wherein, A discharge hopper outlet (62) is arranged at the bottom of the discharge hopper (6).

4. The batching system valve alarm apparatus of claim 3, wherein, The star feeder (4) is provided with a star feeder motor (41), and the granulator (5) is provided with a granulator motor (51).

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