CN211668837U - Sampling device - Google Patents

Sampling device Download PDF

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Publication number
CN211668837U
CN211668837U CN202020186241.0U CN202020186241U CN211668837U CN 211668837 U CN211668837 U CN 211668837U CN 202020186241 U CN202020186241 U CN 202020186241U CN 211668837 U CN211668837 U CN 211668837U
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Prior art keywords
powder
taking barrel
sampling device
material taking
gas
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CN202020186241.0U
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Chinese (zh)
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蒋明华
乔连
裴建伟
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Ningxia Zhonghua Lithium Battery Material Co ltd
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Ningxia Zhonghua Lithium Battery Material Co ltd
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Abstract

The utility model provides a sampling device. Sampling device is used for carrying out online sample to the powder, and sampling device and the defeated material pipe connection who is used for carrying the powder, sampling device includes: the material taking barrel is provided with an accommodating cavity, at least part of the material taking barrel is positioned in the material conveying pipeline, the material taking barrel is provided with an opening, and the material taking barrel is communicated with a material conveying channel of the material conveying pipeline through the opening; the pushing rod is arranged in the accommodating cavity and movably arranged relative to the material taking barrel so as to push the powder in the material taking barrel to move; the driving piece is connected with the material pushing rod and used for driving the material pushing rod to move relative to the material taking barrel so as to push the powder in the accommodating cavity to a preset position. Use the technical scheme of the utility model, the problem that the powder quality is influenced easily to the online sample mode of powder among the prior art can be solved.

Description

Sampling device
Technical Field
The utility model relates to a powder sample technical field particularly, relates to a sampling device.
Background
At present, the powder material industry is gradually moving from single equipment to automatic production equipment, and while the production process is developing towards automation, online sampling analysis is laggard, and the system still depends on manual sampling analysis.
In the process of the automatic production of the anode material of the lithium battery, no automatic online sampling device is available, and manual uncapping sampling is needed. The sampling mode is easy to introduce foreign matters, thereby influencing the quality of the powder.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a sampling device to solve the problem that the powder quality is easily affected by the online powder sampling method in the prior art.
In order to achieve the above object, the utility model provides a sampling device for carry out online sample to the powder, sampling device and the defeated material tube coupling that is used for carrying the powder, sampling device includes: the material taking barrel is provided with an accommodating cavity, at least part of the material taking barrel is positioned in the material conveying pipeline, the material taking barrel is provided with an opening, and the material taking barrel is communicated with a material conveying channel of the material conveying pipeline through the opening; the pushing rod is arranged in the accommodating cavity and movably arranged relative to the material taking barrel so as to push the powder in the material taking barrel to move; the driving piece is connected with the material pushing rod and used for driving the material pushing rod to move relative to the material taking barrel so as to push the powder in the accommodating cavity to a preset position.
Further, the material pushing rod is a screw rod, and the screw rod is rotatably arranged to push the powder in the accommodating cavity.
Further, the sampling device further comprises: a gas supply device; one end of the gas transmission pipeline is communicated with the gas supply device, and the other end of the gas transmission pipeline is connected with the first end of the material taking barrel so as to transmit gas into the accommodating cavity; when the material pushing rod moves relative to the material taking barrel, the gas supply device conveys gas to the containing cavity through the gas conveying pipe.
Further, the sampling device further comprises: the material receiving assembly is connected with the second end of the material taking barrel and is used for receiving a mixture of powder and gas output by the material taking barrel and separating the gas and the powder in the mixture; the filter is connected with the material receiving assembly, and gas separated by the material receiving assembly enters the filter to be filtered and then is discharged.
Further, connect the material subassembly to include: the receiving hopper is used for receiving powder; and the dust remover is arranged between the material receiving hopper and the material taking barrel so as to separate gas and powder in the mixture.
Further, sampling device still includes seal structure, and seal structure sets up in the junction of getting the feed cylinder and defeated material pipeline to seal the junction of getting the feed cylinder and defeated material pipeline.
Furthermore, the pipe wall of the material conveying pipeline is made of metal materials, and the sealing structure is welded with the outer wall surface of the material conveying pipeline.
Further, the dust remover is a cyclone dust remover.
Further, the filter is a bag-type dust collector.
Furthermore, the central line of the material taking barrel and the central line of the material conveying pipeline form an included angle.
Further, the screw rod is made of polypropylene material.
Furthermore, polytetrafluoroethylene is sprayed on the inner wall surface of the material taking barrel and/or the outer wall surface of the material taking barrel; or the ceramic material is sleeved on the inner wall surface of the material taking barrel and/or the outer wall surface of the material taking barrel.
Use the technical scheme of the utility model, owing to set up and got the feed cylinder, it is linked together through the defeated material passageway of opening and defeated material pipeline to get the feed cylinder to when defeated material pipeline transported substance material, the powder gets into through the opening and gets in the feed cylinder, and promote the powder to predetermineeing the position under the promotion of ejector pin, in order to realize getting the material. The whole material taking process does not need to manually contact the powder, foreign matters are prevented from being introduced in the sampling process, and the quality of the powder in the powder conveying process on a production line and the powder quality of a taken sample are ensured. Compared with the prior art, when taking a sample on the powder production line, the sampling device needs no manual contact with the powder, and does not need to open a conveying pipeline, so that foreign matters can not be introduced into the powder on the production line in the sampling process, and the powder quality is guaranteed.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of an embodiment of a sampling device according to the present invention.
Wherein the figures include the following reference numerals:
1. a material conveying pipeline; 2. taking a charging barrel; 21. an opening; 3. a material pushing rod; 4. a drive member; 5. a material receiving assembly; 51. a receiving hopper; 52. a dust remover; 6. a filter; 7. a gas transmission pipeline; 8. and (5) sealing the structure.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1, the present embodiment provides a sampling device for sampling powder on line, the sampling device is connected to a conveying pipeline 1 for conveying powder, and the sampling device includes a material taking barrel 2, a material pushing rod 3 and a driving member 4. The material taking barrel 2 is provided with an accommodating cavity, at least part of the material taking barrel 2 is positioned in the material conveying pipeline 1, the material taking barrel 2 is provided with an opening 21, and the material taking barrel 2 is communicated with a material conveying channel of the material conveying pipeline 1 through the opening 21; the material pushing rod 3 is arranged in the accommodating cavity, and the material pushing rod 3 is movably arranged relative to the material taking barrel 2 so as to push the powder in the material taking barrel 2 to move; the driving piece 4 is connected with the material pushing rod 3 and used for driving the material pushing rod 3 to move relative to the material taking barrel 2 so as to push the powder in the containing cavity to a preset position.
In this embodiment, owing to set up and get feed cylinder 2, it is linked together through opening 21 and defeated material pipeline 1's defeated material passageway to get feed cylinder 2 to when defeated material pipeline 1 carries the material, the powder gets into through the opening and gets in feed cylinder 2, and with powder promotion to predetermineeing the position under the promotion of ejector pin 3, in order to realize getting the material. The whole material taking process does not need to manually contact the powder, foreign matters are prevented from being introduced in the sampling process, and the quality of the powder in the powder conveying process on a production line and the powder quality of a taken sample are ensured. Compared with the prior art, when sampling on the powder production line, the sampling device needs to be manually uncovered for sampling, the sampling device of the embodiment does not need to manually contact the powder, and does not need to open the conveying pipeline 1, so that foreign matters can not be introduced into the powder on the production line in the sampling process, and the powder quality is guaranteed.
Furthermore, the sampling device is not required to open the material conveying pipeline 1 during sampling, so that other gases or impurities are prevented from being introduced in the powder conveying process, the powder quality is ensured, the direct contact of a human body with the powder is avoided, and the personal health is ensured. Meanwhile, the sampling device of the embodiment is adopted for sampling, the consistency of the samples taken each time is higher, and the taken samples are more representative and more researchable.
As shown in fig. 1, in the present embodiment, the material pushing rod 3 is a screw rod, and the screw rod is rotatably disposed to push the powder located in the accommodating chamber.
Through the setting, the hob can be rotatably arranged in the material taking barrel 2, so that powder in the material taking barrel 2 is pushed to a preset position, and sampling is realized.
Preferably, the screw rod is made of polypropylene materials, so that the introduction of metal foreign matters is reduced, and the influence on powder quality caused by the fact that the foreign matters fall off due to friction in the rotation process of the screw rod is avoided.
As shown in fig. 1, in the present embodiment, the sampling device further includes a gas supply device and a gas transmission pipeline 7. One end of the gas transmission pipeline 7 is communicated with the gas supply device, and the other end of the gas transmission pipeline 7 is connected with the first end of the material taking barrel 2 so as to transmit gas into the accommodating cavity; wherein, when the ejector pin 3 moved for getting feed cylinder 2, the air feeder passed through gas pipeline 7 and delivered gas to holding the intracavity.
Specifically, the material pushing rod 3 and the driving member 4 in this embodiment are connected by a link mechanism. In order to prevent the material taking barrel 2 from taking materials, the powder enters the connecting structure between the material pushing rod 3 and the driving piece 4, when the material pushing rod 3 pushes the powder in a rotating way relative to the material taking barrel 2, the gas supply device conveys gas into the containing cavity through the gas conveying pipeline 7, so that the abrasion of the powder to the joint of the bearing or the connecting rod mechanism is reduced, the normal use of the sampling device is ensured, and the service life of the sampling device is prolonged.
Further, when the material pushing rod 3 pushes the powder body for the material taking barrel 2 to rotate, the gas supply device conveys gas into the containing cavity through the gas conveying pipeline 7, so that the powder body is promoted to move towards the preset position along the spiral direction of the spiral rod, and the sampling efficiency is improved.
Preferably, the sampling device of this embodiment further comprises a time relay for controlling the on-off of the gas supply device and the driving member 4. Through setting up time relay, can control opening of air feeder and driving piece 4 as required at any time and stop, realize automatic, regularly, quantitative sample.
As shown in fig. 1, in this embodiment, the sampling device further includes a receiving assembly 5 and a filter 6. The material receiving assembly 5 is connected with the second end of the material taking barrel 2, and the material receiving assembly 5 is used for receiving a mixture of powder and gas output by the material taking barrel 2 and separating the gas and the powder in the mixture; the filter 6 is connected with the material receiving assembly 5, and gas separated by the material receiving assembly 5 enters the filter 6 to be filtered and then is discharged.
Through the setting, the hob promotes to get the powder entering in the feed cylinder 2 and connects the material subassembly 5, because be mingled with gas in the powder, connect material subassembly 5 after initial separation powder and gas, gas gets into filter 6 and filters the back with gas outgoing to prevent the powder polluted environment behind the atmosphere of discharging.
Preferably, the filter 6 is a bag-type dust collector. The bag-type dust collector comprises an air inlet, an ash bucket, a wind shield, a filter bag and an air outlet. After the gas containing the powder enters from the upper air inlet of the ash bucket, the airflow flows upwards under the action of the wind shield, the flow velocity is reduced, and part of large-particle dust is separated out under the action of inertia force and falls into the ash bucket. The dust-containing gas enters the middle box body and is filtered and purified by the filter bag, the dust is blocked on the outer surface of the filter bag, and the purified gas enters the upper box body through the filter bag opening and is discharged from the air outlet.
As shown in fig. 1, in the present embodiment, the receiving assembly 5 includes a receiving hopper 51 and a dust remover 52. The receiving hopper 51 is used for receiving powder; a dust separator 52 is provided between the receiving hopper 51 and the take-out drum 2 to separate gas and powder in the mixture.
Specifically, the screw rod rotates relative to the material taking barrel 2, the powder containing the gas is pushed to the dust remover 52, the dust remover 52 separates the powder containing the gas, the separated gas enters the filter 6 for further separation and filtration, and the separated powder enters the material receiving hopper 51, so that sampling is completed.
Preferably, the dust separator 52 is a cyclone.
The cyclone dust collector makes the dust-containing airflow rotate, separates dust particles from the airflow by means of centrifugal force, collects the dust particles from the wall of the cyclone dust collector, and makes the dust particles fall into an ash bucket by means of gravity. The cyclone dust collector has simple structure and is easy to manufacture. The installation and maintenance management, the equipment investment and the operation cost are lower, and the mechanical dust remover has the highest efficiency. Of course, in an alternative embodiment not shown, the dust separator 52 may also be a dust separator of other principles or structures, as long as dust-gas separation can be achieved.
As shown in fig. 1, in this embodiment, the sampling device further includes a sealing structure 8, and the sealing structure 8 is disposed at a joint of the material taking barrel 2 and the material conveying pipeline 1, so as to seal the joint of the material taking barrel 2 and the material conveying pipeline 1.
In this embodiment, the first end and the second end of the material taking barrel 2 extend out of the material conveying pipeline 1. Because the first end of getting feed cylinder 2 has set up gas transmission pipeline 7 to make gas blow to the second end by the first end of getting feed cylinder 2, and then prevent that the powder from overflowing by the first end of getting feed cylinder 2. The position of stretching out defeated material pipeline 1 at the second end of getting feed cylinder 2 sets up seal structure 8 to seal the junction of getting feed cylinder 2 surplus defeated material pipeline 1, and then prevent that gaseous promotion of powder from spilling over by the junction, also avoid the gaseous or particulate matter in the external environment to get into defeated material pipeline 1 by the junction in, guaranteed defeated material quality of defeated material pipeline 1.
Preferably, the pipe wall of the material conveying pipeline 1 is made of metal material, and the sealing structure 8 is welded with the outer wall surface of the material conveying pipeline 1. The arrangement is simple in structure and convenient to process.
As shown in fig. 1, in this embodiment, the central line of the reclaiming barrel 2 forms an included angle with the central line of the material conveying pipeline 1.
Preferably, the central line of the reclaiming barrel 2 in the embodiment is perpendicular to the central line of the conveying pipeline 1. Specifically, the material conveying pipeline 1 is arranged along the vertical direction, and when the material conveying pipeline 1 conveys materials, powder performs free falling motion in the material conveying pipeline 1. Get in feed cylinder 2 transversely inserts defeated material pipeline 1, and get opening on the feed cylinder 2 and set up to in powder transportation process, the powder can get into the intracavity that holds of getting feed cylinder 2 by the opening. When needs sample, control air feeder and driving piece 4 are opened in step, and the powder that will hold the intracavity through the rotation of hob and gaseous impetus is carried to connecing material subassembly 5 to carry out the dust and gas separation and collect the powder, accomplishes the sample.
Further, the inner diameter of the material conveying pipeline 1 is larger than the outer diameter of the material taking barrel 2. Through the arrangement, the arrangement of the material taking barrel 2 cannot influence the normal conveying of the material conveying pipeline 1, and the normal operation of the whole production line is ensured.
Preferably, polytetrafluoroethylene is sprayed on the inner wall surface of the material taking barrel 2 and the outer wall surface of the material taking barrel 2; or the ceramic material is sleeved on the inner wall surface of the material taking barrel 2 and the outer wall surface of the material taking barrel 2.
Above-mentioned setting can prevent effectively that the hob from leading to introducing metallic foreign matter in the powder with getting between the feed cylinder 2, having guaranteed the powder quality.
The technical scheme of the utility model is realized through following mode:
the sampling device comprises a material taking barrel 2, a material pushing rod 3, a driving piece 4, a material receiving assembly 5, a filter 6, a gas transmission pipeline 7 and a sealing structure 8. The material pushing rod 3 is a screw rod, the screw rod is positioned in the material taking barrel 2, the material taking barrel 2 is inserted into the material conveying pipeline 1, an opening 21 is formed in the material taking barrel 2 in the material feeding direction, the screw rod is made of polypropylene (PP) materials, and the other end of the screw rod is connected with the dust remover 52. When powder materials on an automatic production line pass through the material conveying pipeline 1, the gas supply device and the driving piece 4 are controlled to be started through the time relay according to a sampling plan, the powder enters the dust remover 52 to be separated from dust and gas under the pushing of the screw rod and gas, and the separated powder enters the material receiving hopper 51 to finish sampling.
The sampling device provides a solution for solving the problem of automatic online sampling in the existing powder material industry; the product quality problem and the safety problem existing in the sampling of powder materials (particularly materials containing atmosphere protection conveying) are solved; the gas supply device and the screw rod are arranged to push the powder, so that the abrasion of the powder to the connecting pieces such as the bearing and the like is reduced; aiming at the particularity of powder materials in the lithium battery material powder industry, the screw rod is made of wear-resistant PP materials so as to reduce the introduction of metal foreign matters; aiming at the control requirement of special powder materials on quality, the inner wall and the outer wall of the spiral rod can be made of stainless steel spray Polytetrafluoroethylene (PTFE) or stainless steel lining ceramic materials; selecting a small cyclone separator and a small filter for gas-solid separation; enterprises can assemble time relays for the sampling devices according to needs so as to automatically start sampling at regular time at any time according to control requirements.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
due to the fact that the material taking barrel is arranged and is communicated with the material conveying channel of the material conveying pipeline through the opening, when materials are conveyed through the material conveying pipeline, powder enters the material taking barrel through the opening and is pushed to the preset position under the pushing of the material pushing rod, and the materials are taken. The whole material taking process does not need to manually contact the powder, foreign matters are prevented from being introduced in the sampling process, and the quality of the powder in the powder conveying process on a production line and the powder quality of a taken sample are ensured. Compared with the prior art, when taking a sample on the powder production line, the sampling device needs no manual contact with the powder, and does not need to open a conveying pipeline, so that foreign matters can not be introduced into the powder on the production line in the sampling process, and the powder quality is guaranteed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. The utility model provides a sampling device for carry out online sample to the powder, its characterized in that, sampling device is connected with defeated material pipeline (1) that is used for carrying the powder, sampling device includes:
the material taking barrel (2) is provided with an accommodating cavity, at least part of the material taking barrel (2) is positioned in the material conveying pipeline (1), an opening (21) is formed in the material taking barrel (2), and the material taking barrel (2) is communicated with a material conveying channel of the material conveying pipeline (1) through the opening (21);
the material pushing rod (3) is arranged in the accommodating cavity, and the material pushing rod (3) is movably arranged relative to the material taking barrel (2) so as to push the powder in the material taking barrel (2) to move;
the driving piece (4) is connected with the material pushing rod (3) and used for driving the material pushing rod (3) to move relative to the material taking barrel (2) so as to push the powder in the containing cavity to a preset position.
2. The sampling device according to claim 1, characterized in that the pushing rod (3) is a screw rod, which is rotatably arranged to push the powder located in the containing cavity.
3. The sampling device of claim 1, further comprising:
a gas supply device;
one end of the gas transmission pipeline (7) is communicated with the gas supply device, and the other end of the gas transmission pipeline (7) is connected with the first end of the material taking barrel (2) so as to transmit gas to the accommodating cavity;
when the material pushing rod (3) moves relative to the material taking barrel (2), the gas supply device conveys gas into the accommodating cavity through the gas conveying pipeline (7).
4. The sampling device of claim 3, further comprising:
the material receiving assembly (5) is connected with the second end of the material taking barrel (2), and the material receiving assembly (5) is used for receiving a mixture of powder and gas output by the material taking barrel (2) and separating the gas and the powder in the mixture;
and the filter (6) is connected with the material receiving assembly (5), and gas separated from the material receiving assembly (5) enters the filter (6) to be filtered and then is discharged.
5. A sampling device according to claim 4, characterized in that said receiving assembly (5) comprises:
a receiving hopper (51) for receiving powder;
and the dust remover (52) is arranged between the receiving hopper (51) and the material taking barrel (2) and is used for separating gas and powder in the mixture.
6. The sampling device according to claim 1, characterized in that, the sampling device further comprises a sealing structure (8), the sealing structure (8) is arranged at the joint of the material taking barrel (2) and the material conveying pipeline (1) to seal the joint of the material taking barrel (2) and the material conveying pipeline (1).
7. A sampling device according to claim 6, characterized in that the wall of the feed delivery conduit (1) is made of metal, and the sealing structure (8) is welded to the outer wall of the feed delivery conduit (1).
8. A sampling device according to claim 5, characterized in that the dust separator (52) is a cyclone.
9. A sampling device according to claim 4, characterized in that the filter (6) is a bag-type dust collector.
10. A sampling device according to any one of claims 1 to 9, characterized in that the centre line of the barrel (2) is arranged at an angle to the centre line of the feed delivery conduit (1).
11. A sampling device according to claim 2 wherein the screw rod is made of a polypropylene material.
12. The sampling device according to any one of claims 1 to 9, characterized in that the inner wall surface of the cartridge (2) and/or the outer wall surface of the cartridge (2) is coated with polytetrafluoroethylene; or the ceramic material is sleeved on the inner wall surface of the material taking barrel (2) and/or the outer wall surface of the material taking barrel (2).
CN202020186241.0U 2020-02-19 2020-02-19 Sampling device Active CN211668837U (en)

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Application Number Priority Date Filing Date Title
CN202020186241.0U CN211668837U (en) 2020-02-19 2020-02-19 Sampling device

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Application Number Priority Date Filing Date Title
CN202020186241.0U CN211668837U (en) 2020-02-19 2020-02-19 Sampling device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114890175A (en) * 2022-03-21 2022-08-12 首钢京唐钢铁联合有限责任公司 Powder warehousing system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114890175A (en) * 2022-03-21 2022-08-12 首钢京唐钢铁联合有限责任公司 Powder warehousing system

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