CN210555682U - Automatic metering and packaging device suitable for powder - Google Patents
Automatic metering and packaging device suitable for powder Download PDFInfo
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- CN210555682U CN210555682U CN201921121144.7U CN201921121144U CN210555682U CN 210555682 U CN210555682 U CN 210555682U CN 201921121144 U CN201921121144 U CN 201921121144U CN 210555682 U CN210555682 U CN 210555682U
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Abstract
The utility model relates to the field of automatic metering and packaging equipment, in particular to an automatic metering and packaging device suitable for powder, which comprises a lifting device, a vibrating screen, a feeding hopper, a weighing hopper, a material guide hopper, a conveying device and a PLC controller; the vibrating screen, the feeding hopper, the weighing hopper, the material guide hopper and the conveying device are sequentially arranged from top to bottom, and the discharge end of the lifting device is communicated with the feeding hole of the vibrating screen; a hopper valve is arranged at a discharge port at the bottom of the hopper, and a weighing sensor and a weighing hopper valve are arranged at the bottom of the weighing hopper; the weighing sensor is electrically connected with the input end of the PLC, and the lifting device, the vibrating screen, the feeding hopper valve and the weighing hopper valve are respectively electrically connected with the output end of the PLC. The vibrating screen is arranged in front of the feeding hopper, so that the powder can reach a fluffy state through the vibrating screen before being conveyed and metered, and the phenomena of powder accumulation, caking and arch bridge are reduced; the cloth bag type material guiding bag is arranged, so that powder is convenient to convey, and meanwhile, the generation of dust can be reduced.
Description
Technical Field
The utility model relates to an automatic measurement equipment for packing field, concretely relates to automatic measurement packing plant suitable for powder.
Background
The automatic metering and packaging machine is used for packaging materials after automatic metering and weighing, and greatly improves the efficiency of metering and packaging compared with manual metering and packaging.
When the automatic metering and packaging machine is used for metering and packaging powder, due to the characteristics of easy accumulation, caking and arch bridge of the powder, the efficiency is lower, and the time and the labor are consumed when the conventional automatic metering and packaging machine is used for metering and packaging the powder.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic measurement packing plant suitable for powder overcomes the powder and appears caking easily in measurement transportation process, the phenomenon of arched bridge, promotes the efficiency of automatic measurement packing.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the automatic metering and packaging device suitable for powder comprises a lifting device, a vibrating screen, a feeding hopper, a weighing hopper, a material guide hopper, a conveying device and a PLC (programmable logic controller); the vibrating screen, the feeding hopper, the weighing hopper, the material guide hopper and the conveying device are sequentially arranged from top to bottom, and the discharge end of the lifting device is communicated with the feeding hole of the vibrating screen; a hopper valve is arranged at a discharge port at the bottom of the hopper, and a weighing sensor and a weighing hopper valve are arranged at the bottom of the weighing hopper; the weighing sensor is electrically connected with the input end of the PLC, and the lifting device, the vibrating screen, the feeding hopper valve and the weighing hopper valve are respectively electrically connected with the output end of the PLC; the bottom of the feeding hopper, the bottom of the weighing hopper and the bottom of the material guide hopper are respectively provided with a first stirrer, a second stirrer and a third stirrer, and the first stirrer, the second stirrer and the third stirrer are respectively electrically connected with the output end of the PLC.
Further, a first vibrator, a second vibrator and a third vibrator are respectively arranged on the outer side wall of the feeding hopper, the outer side wall of the weighing hopper and the outer side wall of the material guide hopper, and the first vibrator, the second vibrator and the third vibrator are respectively electrically connected with the output end of the PLC.
Furthermore, a first material guide bag, a second material guide bag and a third material guide bag are respectively arranged at the discharge port of the vibrating screen, the discharge port of the feeding hopper and the discharge port of the weighing hopper.
Further, a vibration damping device is arranged on the vibrating screen.
Further, the feeding hopper valve is a regulating valve, and the first vibrator is an electromagnetic vibrator.
Furthermore, the first material guide bag, the second material guide bag and the third material guide bag are anti-static dust removal cloth bags.
Compared with the prior art, the utility model discloses can reach one of following beneficial effect at least:
1. the vibrating screen is arranged in front of the feeding hopper, so that the powder can reach a fluffy state through the vibrating screen before being conveyed and metered, and the phenomena of accumulation, caking and arch bridge of the powder are reduced.
2. The stirrer is arranged, so that the arch bridge phenomenon of powder can be reduced.
3. The vibrator is arranged, so that the adhesion of powder on the inner wall of the component can be reduced, and the using effect of the device is improved.
4. The cloth bag type material guiding bag is arranged, so that powder is convenient to convey, and meanwhile, the generation of dust can be reduced.
5. The regulating valve and the electromagnetic vibrator are arranged, so that the time for weighing and metering can be saved, and the service efficiency of the device is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-a lifting device; 2-vibrating screen; 3-a hopper; 4-weighing hopper; 5-a material guide hopper; 9-a transfer device; 10-a PLC controller; 11-a damping device; 31-hopper valve; 41-weighing hopper valve; 61-a first vibrator; 62-a second vibrator; 63-a third vibrator; 71-a first stirrer; 72-a second agitator; 73-a third stirrer; 81-a first conducting bag; 82-a second conducting bag; 83-third guiding bag.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
as shown in fig. 1, the automatic metering and packaging device for powder comprises a lifting device 1, a vibrating screen 2, a feeding hopper 3, a weighing hopper 4, a material guiding hopper 5, a conveying device 9 and a PLC controller 10; the vibrating screen 2, the feeding hopper 3, the weighing hopper 4, the material guide hopper 5 and the conveying device 9 are sequentially arranged from top to bottom, and the discharge end of the lifting device 1 is communicated with the feed inlet of the vibrating screen 2; a hopper valve 31 is arranged at a discharge port at the bottom of the hopper 3, and a weighing sensor and a weighing hopper valve 41 are arranged at the bottom of the weighing hopper 4; the weighing sensor is electrically connected with the input end of the PLC 10, and the lifting device 1, the vibrating screen 2, the feeding hopper valve 31 and the weighing hopper valve 41 are respectively electrically connected with the output end of the PLC 10.
The PLC controller 10 is a conventional one, and is not described in detail by the applicant; the weighing sensor can be a capacitance electronic weighing sensor, is arranged at the bottom of the weighing hopper 4 and is used for detecting the weight of the material in the weighing hopper 4 and transmitting a detection signal to the PLC 10 for receiving and processing; the feeding hopper valve 31 and the weighing hopper valve 41 can be automatic rotary valves and are respectively and electrically connected with the output control end of the PLC 10; the PLC 10 controls the feeding and discharging of the feeding hopper 3 and the weighing hopper 4 respectively by controlling the operation of the feeding hopper valve 31 and the weighing hopper valve 41; the lifting device 1 can be a spiral lifter and is used for lifting powder at a low position to a high position and providing materials for the vibrating screen 2; the conveyor 9 may be a belt conveyor.
When the material weighing device starts to work, a packaging bag is sleeved at a discharge port of a material guide hopper 5, a feed hopper valve 31 is closed, a weighing hopper valve 41 is closed, a PLC (programmable logic controller) 10 controls a lifting device 1 and a vibrating screen 2 to work, the feed hopper valve 31 is opened, powder is lifted into the vibrating screen 2 from a lower position of the lifting device 1, the powder is screened by the vibrating screen 2 and is in a fluffy state, the powder falls into the feed hopper 3 through a discharge port of the vibrating screen 2 and then falls into the weighing hopper 4 through the discharge port of the feed hopper 3 for weighing, when the weight of the material of the weighing hopper detected by a weighing sensor reaches a set value, the PLC 10 controls the feed hopper valve 31 to be closed and the weighing hopper valve 41 to be opened, the powder after weighing and weighing falls into the material guide hopper 5 through the weighing hopper 4, and then falls into the packaging bag through the discharge port of the material guide hopper 5 for packaging, the packaged materials are conveyed to the next working procedure by a conveying device 9; after the powder in the weighing hopper 4 is emptied, the PLC 10 controls the weighing hopper valve 41 to be closed and the feeding hopper valve 31 to be opened, and the weighing and metering are continuously carried out. Because the powder can be in a fluffy state after being screened by the vibrating screen 2, the phenomena of caking and arch bridges of the powder in the feeding hopper 3, the weighing hopper 4 and the material guide hopper 5 can be reduced, and the metering and packaging efficiency of the powder is improved.
After the powder material is screened by the vibrating screen 2, oversize materials mainly comprise impurities, caking materials and the like, and the powder material can be simultaneously screened and then metered and packaged, so that the material quality is improved.
Preferably, the vibrating screen 2 is an electromagnetic vibrating screen, and the working power of the vibrating screen 2 can be controlled by the PLC 10 according to specific working conditions, so that the feeding rate of the feeding hopper 3 of the vibrating screen 2 is adjusted.
A first stirrer 71, a second stirrer 72 and a third stirrer 73 are respectively arranged at the bottom inside the feeding hopper 3, the bottom inside the weighing hopper 4 and the bottom inside the material guiding hopper 5, and the first stirrer 71, the second stirrer 72 and the third stirrer 73 are respectively and electrically connected with the output end of the PLC 10.
One embodiment is: as shown in fig. 1, the first stirrer 71 includes a fixed frame, a rotating shaft and stirring blades, one end of the fixed frame is fixedly connected with the inner wall of the feeding hopper 3, the other end of the fixed frame is rotatably connected with the upper part of the rotating shaft, the lower part of the rotating shaft vertically and downwardly points to the discharge hole of the feeding hopper 3, and an external power supply provides rotating power for the rotating shaft; a second stirrer 72 and a third stirrer 73 are arranged in the weighing hopper 4 and the material guiding hopper 5 in the same way.
During work, when the PLC 10 controls the feeding hopper valve 31 to be opened, the first stirrer 71 is controlled to work at the same time, powder is stirred at the discharging opening of the feeding hopper 3 through the first stirrer 71, so that the arch bridge phenomenon of the powder at the discharging opening of the feeding hopper 3 is reduced, and the feeding speed is increased; when the PLC controller 10 controls the hopper valve 31 to be closed, the first stirrer 71 is simultaneously controlled to be closed. When the PLC 10 controls the weighing hopper valve 41 to be opened, the second stirrer 72 is controlled to work at the same time, and when the weighing hopper 4 discharges materials, the second stirrer 72 stirs the powder, so that the arch bridge phenomenon of the powder at the discharge port of the weighing hopper 4 can be reduced, and the discharging speed is increased; when the PLC 10 controls the weighing hopper valve 41 to be closed, the second stirrer 72 is controlled to be closed at the same time, so that when the weighing hopper 4 is used for weighing and metering materials, the second stirrer 72 is in a stop state, and the metering precision of the weighing sensor is not influenced. When the packaging bag is sleeved at the discharge port of the material guide hopper 5, an operator controls the third stirrer 73 to work by controlling the PLC 10; after the material is packaged in the packaging bag, the operator controls the third stirrer 73 to be closed by controlling the PLC controller 10.
Example 2:
as shown in fig. 1, with respect to the above embodiment, the present embodiment optimizes the discharging structure.
This automatic measurement packing plant suitable for powder sets up first vibrator 61, second vibrator 62 and third vibrator 63 on the lateral wall of hopper 3, the lateral wall of weighing hopper 4 and the lateral wall of guide hopper 5 respectively, first vibrator 61, second vibrator 62 and third vibrator 63 respectively with PLC controller 10's output electrical connection.
When PLC controller 10 control hopper valve 31 opened, the work of first vibrator 61 is controlled simultaneously, through the work of first vibrator 61, vibrates the lateral wall of hopper 3 to solve hopper 3 when the feed for weighing hopper 4, appear that the powder is piled up in the upper portion of hopper 3 and the lower part is cavity, the problem of unable blanking appears. When PLC controller 10 control hopper valve 31 closes, control first vibrator 61 simultaneously and close, prevent that hopper 3 from stopping when the feed, continue to make hopper 3 vibrate, and lead to the powder to appear the phenomenon of jolt in hopper 3, and influence follow-up feeding.
When the PLC 10 controls the weighing hopper valve 41 to be opened, the second vibrator 62 is controlled to work simultaneously, when the weighing hopper 4 is in a discharging state, the second vibrator 62 works to prevent the situation that the powder cannot be discharged in time due to the arch bridge phenomenon on the upper part in the weighing hopper 4, meanwhile, the powder attached to the inner wall of the weighing hopper 4 can be cleaned in time through the side wall of the weighing hopper 4, and the powder after metering is prevented from being attached to the inner wall of the weighing hopper 4 to influence the actual weight of the packaged material. When the PLC 10 controls the weighing hopper valve 41 to be closed, the second vibrator 62 is controlled to be closed at the same time, so that the detection precision of the weighing sensor is not influenced when the weighing hopper 4 is in a weighing and metering state.
When the wrapping bag cup joints in the discharge gate department of guide fill 5, operating personnel controls third vibrator 63 work through controlling PLC controller 10, when guide fill 5 is in the blowing state, third vibrator 63 work, the condition that the powder arch bridge phenomenon appears and unable timely unloading appears in the upper portion of guide fill 4 prevents, simultaneously, through the lateral wall of vibration guide fill 5, can make the powder attached to the inner wall of guide fill 5 in time clear up, prevent that the powder after the measurement from attaching to the inner wall of guide fill 5, and the actual weight of the material after the influence packing. After the material is packaged in the packaging bag, the operator controls the third vibrator 63 to close by controlling the PLC controller 10.
Preferably, a vibration reduction measure is made on the fixing frames of the feeding hopper 3, the weighing hopper 4 and the material guide hopper 5 to reduce the influence on the weighing precision.
Example 3:
as shown in fig. 1, the present embodiment optimizes the material guiding structure for the above embodiment.
In the automatic metering and packaging device suitable for powder, a first material guide bag 81, a second material guide bag 82 and a third material guide bag 83 are respectively arranged at the discharge port of the vibrating screen 2, the discharge port of the feeding hopper 3 and the discharge port of the weighing hopper 4. One embodiment is: the first material guiding bag 81, the second material guiding bag 82 and the third material guiding bag 83 are all cloth bag-shaped, openings are formed in the upper portion and the lower portion, the upper opening is communicated with a material outlet of the material supplying component, the lower opening is communicated with a material inlet of the material receiving component, powder conveying is facilitated through the cloth bag-shaped communicating pipe, and meanwhile dust generated in the powder conveying process can be reduced.
Example 4:
as shown in fig. 1, with respect to the above embodiment, the present embodiment optimizes the discharging structure.
In the automatic metering and packaging device suitable for powder, a vibration damping device 11 is arranged on a vibrating screen 2. The vibration damping device 11 can be a vibration damping spring, is arranged on a fixed frame of the vibrating screen 2 and is used for buffering vibration generated in the working process of the vibrating screen 2 so as to reduce the influence on the weighing precision.
Example 5:
as shown in fig. 1, with respect to the above embodiment, the present embodiment optimizes the discharging structure.
This automatic measurement packing plant that is applicable to powder is hopper valve 31 for the governing valve, and first vibrator 61 is the electromagnetic vibrator. Hopper valve 31 may be an automatic rotary regulating valve for controlling the discharge speed of hopper 3.
In the early stage of weighing and metering of the weighing hopper 4, the PLC 10 controls the feeding hopper valve 31 and the first vibrator 61 to rapidly feed materials to the weighing hopper 4; when the weighing sensor detects that the material in the weighing hopper 4 reaches 93%, the PLC 10 controls the feeding hopper valve 31 and the first vibrator 61 to feed the weighing hopper 4 at a medium speed; when the material in the weighing hopper 4 detected by the weighing sensor reaches 98%, the PLC 10 controls the feeding hopper valve 31 and the first vibrator 61 to feed the weighing hopper 4 at a low speed, and when the material in the weighing hopper 4 detected by the weighing sensor reaches 99.99%, the PLC 10 controls the feeding hopper valve 31 to be closed and the first vibrator 61 to be closed, and the feeding of the weighing hopper 4 is stopped. According to the stage adjustment hopper 3's of weighing and metering feed speed, when not influencing weighing and metering precision, can shorten the time of weighing and metering to save time cost promotes the availability factor of this device.
Example 6:
as shown in fig. 1, the present embodiment optimizes the dustproof structure for the above-described embodiment.
The first material guide bag 81, the second material guide bag 82 and the third material guide bag 83 in the automatic powder metering and packaging device are anti-static dust removal cloth bags.
Preferably, the vibrating screen 2, the feeding hopper 3, the weighing hopper 4 and the material guide hopper 5 are relatively closed cavities so as to reduce dust generated in the process of metering and packaging the powder.
The anti-static dust collection cloth bag is used as the material guide bag, and the high air permeability of the anti-static dust collection cloth bag is utilized, so that the powder flowability can be improved while the dust generated in the powder conveying process is reduced.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. Automatic measurement packing plant suitable for powder, its characterized in that: comprises a lifting device (1), a vibrating screen (2), a feeding hopper (3), a weighing hopper (4), a material guide hopper (5), a conveying device (9) and a PLC (programmable logic controller) controller (10); the vibrating screen (2), the feeding hopper (3), the weighing hopper (4), the material guiding hopper (5) and the conveying device (9) are sequentially arranged from top to bottom, and the discharge end of the lifting device (1) is communicated with the feeding hole of the vibrating screen (2); a hopper valve (31) is arranged at a discharge port at the bottom of the hopper (3), and a weighing sensor and a weighing hopper valve (41) are arranged at the bottom of the weighing hopper (4); the weighing sensor is electrically connected with the input end of the PLC (10), and the lifting device (1), the vibrating screen (2), the feeding hopper valve (31) and the weighing hopper valve (41) are respectively electrically connected with the output end of the PLC (10); the bottom of the feeding hopper (3), the bottom of the weighing hopper (4) and the bottom of the material guide hopper (5) are respectively provided with a first stirrer (71), a second stirrer (72) and a third stirrer (73), and the first stirrer (71), the second stirrer (72) and the third stirrer (73) are respectively electrically connected with the output end of the PLC (10).
2. The automatic metering and packaging device for powders according to claim 1, characterized in that: the outer side wall of the feeding hopper (3), the outer side wall of the weighing hopper (4) and the outer side wall of the material guide hopper (5) are respectively provided with a first vibrator (61), a second vibrator (62) and a third vibrator (63), and the first vibrator (61), the second vibrator (62) and the third vibrator (63) are respectively electrically connected with the output end of the PLC (10).
3. The automatic metering and packaging device for powders according to claim 1, characterized in that: and a first material guide bag (81), a second material guide bag (82) and a third material guide bag (83) are respectively arranged at the discharge port of the vibrating screen (2), the discharge port of the feeding hopper (3) and the discharge port of the weighing hopper (4).
4. The automatic metering and packaging device for powders according to claim 1, characterized in that: and a vibration damping device (11) is arranged on the vibrating screen (2).
5. The automatic metering and packaging device for powders according to claim 2, characterized in that: the feeding hopper valve (31) is a regulating valve, and the first vibrator (61) is an electromagnetic vibrator.
6. The automatic metering and packaging device for powders according to claim 3, wherein: the first material guiding bag (81), the second material guiding bag (82) and the third material guiding bag (83) are anti-static dust collecting cloth bags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921121144.7U CN210555682U (en) | 2019-07-17 | 2019-07-17 | Automatic metering and packaging device suitable for powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921121144.7U CN210555682U (en) | 2019-07-17 | 2019-07-17 | Automatic metering and packaging device suitable for powder |
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| Publication Number | Publication Date |
|---|---|
| CN210555682U true CN210555682U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921121144.7U Active CN210555682U (en) | 2019-07-17 | 2019-07-17 | Automatic metering and packaging device suitable for powder |
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| Country | Link |
|---|---|
| CN (1) | CN210555682U (en) |
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- 2019-07-17 CN CN201921121144.7U patent/CN210555682U/en active Active
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