CN211452570U

CN211452570U - Automatic change weighing device

Info

Publication number: CN211452570U
Application number: CN202020084134.7U
Authority: CN
Inventors: 廖少平; 谭克脑; 张丽丽
Original assignee: Dongguan Xinchen New Material Technology Co ltd
Current assignee: Dongguan Xinchen New Material Technology Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-09-08
Anticipated expiration: 2030-01-15

Abstract

The utility model relates to the technical field of extrusion granulation raw material proportioning, in particular to an automatic weighing device, which comprises a plurality of storage barrels which are vertically arranged, wherein the storage barrels are of a structure with a wide top and a narrow bottom, and further comprises a digital display screen, a proportioning mixing barrel and a plurality of weighing barrels, the bottom wall in each weighing barrel is provided with a weighing device, a vertical guide pipe is also arranged in each weighing barrel, the guide pipe is positioned above the weighing device, the bottom of the guide pipe is contacted with a bearing plane of the weighing device, all the guide pipes are respectively communicated with all the storage barrels in a one-to-one manner through a feeding pipeline, the feeding pipeline is provided with a metering valve, the feeding port of the proportioning mixing barrel is communicated with all the guide pipes through the drainage pipeline, the drainage pipe is provided with a suction pump on the pipeline, the storage barrels are positioned above the weighing barrels, the feeding pipeline is a vertical straight pipe, the lower end of each storage barrel is a discharge port, and the lower end of, this practicality can carry out automatic ratio and the degree of accuracy height of weighing to the raw materials, still is furnished with error prompt facility in addition.

Description

Automatic change weighing device

Technical Field

The utility model relates to an extrude granulation raw materials ratio technical field, concretely relates to change weighing device.

Background

In the front-end procedure of the extrusion granulation process, different raw materials are required to be mixed according to a preset proportion, and then the raw materials are fully mixed through a mixer; the existing raw material proportioning work is manually weighed, then precisely weighed materials are put into a mixer one by one, and the operation is frequently carried out, so that the operation mode directly causes very slow efficiency and is not intelligent enough; in order to increase the effect, only a plurality of persons can be used for operation at the same time, so that the use cost of the personnel of the enterprise is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic weighing device.

To achieve the purpose, the utility model adopts the following technical proposal:

the automatic weighing device comprises a plurality of storage barrels, a controller, a digital display screen, a proportioning mixing barrel and a plurality of weighing barrels, wherein the storage barrels are vertically arranged and have a structure with a wide upper part and a narrow lower part, the weighing barrel is internally provided with a weighing device, the weighing device is electrically connected with the controller, the weighing barrels are internally provided with vertical material guide pipes, the material guide pipes are positioned above the weighing device, the bottoms of the material guide pipes are contacted with a bearing plane of the weighing device, all the material guide pipes are respectively communicated with all the storage barrels in a one-to-one manner through one feeding pipeline, the feeding pipeline is provided with a metering valve which is electrically connected with the controller, the controller is electrically connected with the digital display screen, the feeding ports of the proportioning mixing barrel are communicated with all the material guide pipes through drainage pipelines, the drainage pipeline is provided with a material suction pump, the storage barrels are positioned above the weighing barrels, the feeding pipeline is a straight pipe in a vertical posture, the lower end of the storage barrel is a discharge hole, a vibrator is arranged outside the lower end of the storage barrel, and the output end of the vibrator is in transmission connection with the outer surface of the storage barrel.

Furthermore, the drainage pipeline comprises a main pipeline, a secondary pipeline and a plurality of branch pipelines arranged at intervals along the axial direction of the main pipeline, one end of each branch pipeline is communicated with the main pipeline, the other end of each branch pipeline is communicated with the lower end of the corresponding guide pipe through a compensation pipeline, the compensation pipeline is matched with the guide pipes at a right angle, one end of each secondary pipeline is communicated with the main pipeline, the other end of each secondary pipeline is communicated with the proportioning mixing barrel, and the suction pump is arranged on the secondary pipeline.

Furthermore, the branch pipeline is connected with the compensation pipeline through a first opening and closing valve.

Furthermore, the end section of the compensation pipeline is U-shaped, the opening surface of the compensation pipeline faces the bearing plane of the weighing device, the lower surface of the compensation pipeline is attached to the bearing plane, the lower end of the material guide pipe is provided with a material guide notch, the shape of the material guide notch is matched with the shape of the end section of the compensation pipeline, and the compensation pipeline is fixedly connected with the material guide pipe and can be communicated with the inside of the material guide pipe through the material guide notch.

Furthermore, the compensation pipeline is in welded fit with the material guide pipe.

Furthermore, the upper end of the material guide pipe is provided with a material supplementing pipe which is communicated with the material guide pipe and inclines upwards, one end of the material supplementing pipe, which extends upwards, penetrates through the outer part of the weighing barrel, and the end is a feeding end.

Furthermore, the outside of each weighing barrel is provided with a prompt lamp.

Furthermore, rubber layers which are in close contact with the bearing plane of the weighing device are arranged on the lower surfaces of the material guide pipe and the compensation pipeline.

The utility model has the advantages that: all the storage barrels are used for storing different materials respectively; the vibrator works to provide exciting force to the discharge end of the storage barrel to promote the discharge end of the storage barrel to be discharged into the feeding pipeline, and the feeding pipeline is a straight pipe in a vertical posture, so that discharging is facilitated; in addition, the material flows in the feeding pipeline, and the flow rate of the material is detected by the metering valve; the material weighing device comprises a weighing device, a controller, a material sucking pump, a proportioning mixing barrel, a first opening and closing valve, a second opening and closing valve, a metering valve, a weighing device, a digital display screen, a controller and a proportioning mixing barrel, wherein the weighing device can weigh materials on a bearing plane and transmit the materials to the controller; if not, the controller instructs corresponding indicator light to work, sends out flashing light, reminds personnel to pack, and personnel look over the digital display screen, obtain scarce volume, and then fill the material that will supply into corresponding stock guide through the feed supplement pipe, then the suction pump will be through the material that will supply with the material that weighs before the suction together, the utility model discloses can carry out the ratio to the raw materials automatically, and the degree of accuracy of weighing is higher, still be furnished with prompt facility in addition, guarantee even under the condition that the error takes place, also can pack by the manual work; thus, the input amount of personnel can be greatly reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a first schematic plan view of the present invention;

fig. 2 is a schematic view of a three-dimensional splitting structure of the present invention;

fig. 3 is a second schematic plan view of the present invention;

fig. 4 is a schematic view of a three-dimensional splitting structure of the present invention;

fig. 5 is a third schematic view of the three-dimensional splitting structure of the present invention;

in the figure: storage vat 1, digital display screen 111.

Proportioning and mixing barrel 2.

Feed line 3, metering valve 311.

A weighing barrel 4, a weighing device 411 and a material guide pipe 412.

A vibrator 5.

Main line 6, secondary line 611, branch line 612, compensating line 613, suction pump 614.

A first opening and closing valve 7.

And a material supplementing pipe 8.

And a warning light 9.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, the automatic weighing apparatus includes a plurality of storage barrels 1, the storage barrels 1 are vertically arranged and have a structure with a wide top and a narrow bottom, the apparatus further includes a controller, a digital display screen 111, a proportioning mixing barrel 2 and a plurality of weighing barrels 4, a weighing device 411 is disposed on a bottom wall of each weighing barrel 4, the weighing device 411 is electrically connected to the controller, a material guiding pipe 412 is disposed in each weighing barrel 4, the material guiding pipe 412 is disposed above the weighing device 411, a bottom of the material guiding pipe 412 is in contact with a bearing plane of the weighing device 411, all the material guiding pipes 412 are respectively communicated with all the storage barrels 1 in a one-to-one manner through a feeding pipeline 3, a metering valve 311 electrically connected to the controller is disposed on the feeding pipeline 3, the controller is electrically connected to the digital display screen 111, a feeding port of the proportioning mixing barrel 2 is communicated with all the material guiding pipes 412 through a drainage pipeline, the material suction pump 614 is installed on the drainage pipeline, the storage barrel 1 is located above the weighing barrel 4, the feeding pipeline 3 is a straight pipe in a vertical posture, the lower end of the storage barrel 1 is a discharge hole, a vibrator 5 is arranged outside the lower end of the storage barrel, and the output end of the vibrator 5 is in transmission connection with the outer surface of the storage barrel 1.

The drainage pipeline comprises a main pipeline 6, a secondary pipeline 611 and a plurality of branch pipelines 612 arranged at intervals along the axial direction of the main pipeline 6, one end of each branch pipeline 612 is communicated with the main pipeline 6, the other end of each branch pipeline 612 is communicated with the lower end of a corresponding material guide pipe 412 through a compensation pipeline 613, the compensation pipeline 613 is matched with the material guide pipes 412 at a right angle, one end of each secondary pipeline 611 is communicated with the main pipeline 6, the other end of each secondary pipeline is communicated with the proportioning mixing barrel 2, the material suction pump 614 is arranged on the secondary pipeline 611, and the material suction pump 614 works, so that vacuum conditions are formed in the branch pipelines 612, the main pipeline 6 and the secondary pipelines 611, and different weighed materials in the plurality of flow guide pipes can be sucked into the proportioning mixing barrel.

The branch pipe 612 is connected with the compensating pipe 613 through a first opening and closing valve 7, and the first opening and closing valve 7 is used for opening the first opening and closing valve 7 corresponding to a certain material when the material is required if the sequence exists in the mixing of the material, and closing the other first opening and closing valves 7, so that the material suction pump 614 can suck the material in the material guide pipe 412 corresponding to the valve in the opening state and the valve in the opening state into the mixing proportioning barrel through the corresponding branch pipe 612; the remaining material guide pipes 412 are not affected by the negative pressure in the closed state of the corresponding first opening/closing valve 7.

The end section of the compensating pipeline 613 is U-shaped, the opening surface of the compensating pipeline 613 faces the bearing plane of the weighing machine 411, the lower surface of the compensating pipeline 613 is attached to the bearing plane, the lower end of the material guiding pipe 412 is provided with a material guiding notch, the shape of the material guiding notch is matched with the shape of the end section of the compensating pipeline 613, the compensating pipeline 613 is fixedly connected with the material guiding pipe 412 and can be communicated with the material guiding pipe 412 through the material guiding notch, the shape of the compensating pipeline 613 enables the inner surface of the compensating pipeline 613 and the bearing plane of the weighing machine 411 to form an accommodating space which is not separated from the bearing plane of the weighing machine 411, and the accommodating space is communicated with the material guiding pipe 412, so that: because the bottom of the material guiding pipe 412 is the weighing device 411, the material to be weighed in the material guiding pipe 412 can only be discharged from the side of the material guiding pipe 412, and therefore, after the material falls into the material guiding pipe 412 and falls onto the bearing surface, the material can collapse into the accommodating space due to the height formed by continuous falling, even if part of the material falls into the accommodating space, the material is still on the bearing plane of the weighing device 411, and the material on the bearing plane is not weighed by the weighing device 411, so that the compensation pipeline 613 with the shape is additionally arranged, the weighing precision of the material can be ensured, and the error is not too large.

The compensating pipe 613 is welded to the feeding pipe 412.

The upper end of the material guide pipe 412 is provided with a material supplementing pipe 8 which is communicated with the material guide pipe and inclines upwards, one end of the material supplementing pipe 8 extending upwards penetrates through the outside of the weighing barrel 4, the other end is a feeding end, and the process of adopting the metering valve 311 is as follows: the material falls into the feeding pipeline 3 in the storage barrel 1, in the process, the metering valve 311 monitors the flow of the falling material and transmits the flow to the controller in real time, and the controller instructs the metering valve 311 to stop working according to a set standard value; in the process, because the metering valve 311 is not indicated to stop working according to the weight value, the standard of the weight of the material can not reach the required value sometimes, manual feeding is needed at the time, and the material can be fed through the feeding pipe 8 for a long time; the material supplementing pipe 8 is arranged at the upper end of the material guiding pipe 412, so that the space of the inner wall of the material guiding pipe 412 can be well utilized.

Every the outside of weighing bucket 4 all is equipped with a warning light 9, if the weight value that weighing device 411 in certain weighing bucket 4 detected is after the controller analysis, does not reach the setting value, then the controller can instruct the flashing of corresponding warning light 9 to remind peripheral personnel to feed supplement, the display shows the concrete weight value of detection on every weighing device 411 on the digital display 111, look over for the manual work, thereby supply the manual work to obtain how much material that needs to be replenished.

The lower surfaces of the material guiding pipe 412 and the compensating pipe 613 are provided with rubber layers which are in close contact with the bearing plane of the weighing device 411 and are used for ensuring the sealing performance.

The working principle is as follows: all the storage barrels 1 are used for storing different materials respectively; the vibrator 5 works to provide exciting force to the discharge end of the storage barrel 1, so that the discharge end of the storage barrel 1 is enabled to be discharged into the feeding pipeline 3, and the feeding pipeline 3 is a straight pipe in a vertical posture, so that discharging is facilitated; in addition, the material flows in the feeding pipeline 3, and the flow rate of the material is detected by the metering valve 311; the material weighing device is used for weighing the materials on the bearing plane of the weighing device 411 and transmitting the weighed materials to the controller, the controller sends the weighed materials to the digital display screen 111, the digital display screen 111 displays corresponding weighing values, if the weighing values reach standard values, the controller instructs the material suction pump 614 to work, then the first opening and closing valves 7 corresponding to the weighed materials are opened, the other first opening and closing valves 7 are in closed states, and the materials weighed and detected previously are sucked into the proportioning mixing barrel 2; if the standard value is not reached, the controller indicates the corresponding indicator lamp to work, flashing light is emitted to remind personnel of filling, the personnel check the digital display screen 111 to obtain the shortage, then the supplemented material is filled into the corresponding material guide pipe 412 through the material supplementing pipe 8, and then the material suction pump 614 sucks the supplemented material and the previously weighed material together; it should be emphasized that the lower end of the storage tank 1 can only be fed by the vibrator 5, and if the pump body is used for feeding, a blast of air pressure is generated in the feeding pipeline 3, and the air pressure may affect the detection result of the weighing device 411.

It should be understood that the above-described embodiments are merely illustrative of the preferred embodiments of the present invention and the technical principles thereof. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, these modifications are within the scope of the present invention as long as they do not depart from the spirit of the present invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. An automatic weighing device comprises a plurality of storage barrels (1), wherein the storage barrels (1) are vertically arranged and have a structure with a wide upper part and a narrow lower part, and the automatic weighing device is characterized by further comprising a controller, a digital display screen (111), a proportioning mixing barrel (2) and a plurality of weighing barrels (4), a weighing device (411) is arranged on the bottom wall in each weighing barrel (4), the weighing device (411) is electrically connected with the controller, a vertical material guide pipe (412) is further arranged in each weighing barrel (4), the material guide pipe (412) is located above the weighing device (411), the bottom of the material guide pipe (412) is in contact with a bearing plane of the weighing device (411), all the material guide pipes (412) are communicated with all the storage barrels (1) in a one-to-one mode through a feeding pipeline (3), and a metering valve (311) electrically connected with the controller is arranged on the feeding pipeline (3), the controller is connected with digital display screen (111) electric connection, the feed inlet of ratio blending tank (2) is linked together through drainage tube and all passage (412), install on the drainage tube and inhale material pump (614), storage vat (1) is located the top of weigh bucket (4) to feeding tube (3) is the straight tube that is vertical gesture, the lower extreme of storage vat (1) is the discharge gate, and is equipped with vibrator (5) outside its lower extreme, the output of vibrator (5) is connected with the surface transmission of storage vat (1).

2. The automatic weighing device according to claim 1, wherein the drainage pipeline comprises a main pipeline (6), a secondary pipeline (611) and a plurality of branch pipelines (612) arranged at intervals along the axial direction of the main pipeline (6), one end of each branch pipeline (612) is communicated with the main pipeline (6), the other end of each branch pipeline (612) is communicated with the lower end of the corresponding guide pipe (412) through a compensation pipeline (613), the compensation pipeline (613) is matched with the guide pipes (412) at a right angle, one end of each secondary pipeline (611) is communicated with the main pipeline (6), the other end of each secondary pipeline is communicated with the proportioning mixing barrel (2), and the suction pump (614) is arranged on the secondary pipeline (611).

3. An automated weighing apparatus according to claim 2, wherein the branch line (612) and the compensation line (613) are connected by a first on/off valve (7).

4. The automatic weighing device of claim 2, wherein the cross section of the end of the compensating pipeline (613) is U-shaped, the opening surface of the compensating pipeline (613) faces the bearing plane of the weighing machine (411), the lower surface of the compensating pipeline (613) is attached to the bearing plane, the lower end of the material guiding pipe (412) is provided with a material guiding notch, the shape of the material guiding notch matches with the cross section of the end of the compensating pipeline (613), and the compensating pipeline (613) is fixedly connected with the material guiding pipe (412) and can be communicated with the interior of the material guiding pipe (412) through the material guiding notch.

5. An automated weighing apparatus according to claim 4, wherein the compensation pipe (613) is in welded engagement with the guide tube (412).

6. An automatic weighing device according to any one of claims 1 to 5, characterized in that the upper end of the material guiding pipe (412) is provided with a material supplementing pipe (8) which is communicated with the material guiding pipe and inclines upwards, the end of the material supplementing pipe (8) extending upwards penetrates to the outside of the weighing barrel (4), and the end is a material feeding end.

7. An automated weighing apparatus according to any one of claims 1 to 5, wherein an indicator light (9) is provided on the exterior of each weighing bucket (4).

8. An automated weighing apparatus according to any one of claims 1 to 5, wherein the lower surfaces of the material guide pipe (412) and the compensating pipe (613) are each provided with a rubber layer in close contact with the bearing plane of the weigher (411).