Sampling device for detecting plastic powder coating

Abstract

The utility model discloses a sampling device for plastic powder coating detection, which comprises a shell and a plurality of support rods, a motor is fixedly connected to the bottom in the shell, an acquisition mechanism for acquiring samples is arranged in the shell, the acquisition mechanism comprises a rotating shaft arranged on an output shaft of the motor, a conveying pipe is rotatably connected to the lower part of the rotating shaft, and the conveying pipe is connected to the lower part of the rotating shaft. A rotating rod is fixedly connected to the lower end of the rotating shaft, a spiral blade is fixedly connected to the side wall of the rotating rod, a sampling pipe communicated with the interior of the conveying pipe is arranged on the side wall of the conveying pipe, a sampling bin communicated with the interior of the sampling pipe is arranged on the sampling pipe, and a sampling test tube is arranged below the sampling bin. The sampling device is provided with the obtaining mechanism, full powder can be collected in an extraction mode, the collection working speed is high, multiple materials can be sampled by replacing sampling test tubes, and therefore the practicability of the sampling device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic powder coating sampling, in particular to a sampling device for detecting plastic powder coating. Background Art

[0002] Plastic powder coating is completely different from general coatings in that it exists in the form of fine powder. Since no solvent is used, it is called powder coating. The sampling device for plastic powder coating detection refers to a portable device for collecting powder samples in materials. It can be used to collect and store powder for detection.

[0003] Ordinary sampling devices for plastic powder coating detection generally have a container or vessel, and collect the powder by scooping it up. This collection method is more troublesome and time-consuming, and cannot quickly fill the storage container, especially the part of the storage container close to the bottle mouth, which still requires human intervention to fill. Therefore, it is necessary to design a sampling device for plastic powder coating detection to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a sampling device for detecting plastic powder coatings.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A sampling device for detecting plastic powder coatings comprises a shell and a plurality of support rods, wherein a motor is fixedly connected to the bottom of the shell, and an acquisition mechanism for acquiring samples is provided in the shell, wherein the acquisition mechanism comprises a rotating shaft arranged on the output shaft of the motor, a conveying pipe is rotatably connected under the rotating shaft, a rotating rod is fixedly connected to the lower end of the rotating shaft, a spiral blade is fixedly connected to the side wall of the rotating rod, a sampling tube connected to the interior of the conveying pipe is provided on the side wall of the conveying pipe, a sampling chamber connected to the interior of the conveying pipe is provided on the sampling tube, a fixed tube is fixedly connected to the bottom of the sampling chamber, a fixed ring is provided on the fixed tube, a sampling test tube is provided under the sampling chamber, and a cleaning mechanism for cleaning residual dust inside the conveying pipe is provided in the shell.

[0007] Preferably, the cleaning mechanism comprises an exhaust fan fixedly connected to the inner wall of the shell, the suction end of the exhaust fan is connected to the delivery pipe through an intake pipe, the exhaust end of the exhaust fan is connected to a first connecting pipe, and the intake pipe is provided with a first valve.

[0008] Preferably, the first connecting pipe is connected to a discharge pipe at one end away from the exhaust fan, a second connecting pipe is arranged inside the discharge pipe, and a dust filter bag is arranged on the side wall of the second connecting pipe via a rope loop.

[0009] Preferably, a battery is fixedly connected inside the shell, and the first connecting pipe is threadedly connected to the discharge pipe.

[0010] Preferably, a second valve is provided on the sampling tube, a protective cover is slidably connected to the side wall of the delivery tube, and the cross-section of the outer ring of the delivery tube is rectangular.

[0011] The utility model has the following beneficial effects:

[0012] 1. The device is equipped with a obtaining mechanism, which can collect full powder by extraction, with a fast collection speed, and can sample multiple materials by replacing the sampling tube, thereby improving the practicality of the device;

[0013] 2. The device is provided with a cleaning mechanism, which performs self-cleaning in the delivery tube before extracting the next sample, thereby avoiding mixing between samples and causing inaccurate test results, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a sampling device for detecting plastic powder coatings proposed by the utility model;

[0015] Figure 2 for Figure 1 A magnified view of the structure at A;

[0016] Figure 3 for Figure 1 Front view of .

[0017] In the figure: 1 shell, 2 exhaust fan, 3 battery, 4 first connecting pipe, 5 motor, 6 discharge pipe, 7 second connecting pipe, 8 dust filter bag, 9 suction pipe, 10 support rod, 11 rotating shaft, 12 conveying pipe, 13 rotating rod, 14 spiral blade, 15 first valve, 16 second valve, 17 sampling tube, 18 sampling chamber, 19 fixed tube, 20 fixed ring, 21 sampling test tube, 22 protective cover. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-3A sampling device for detecting plastic powder coatings comprises a shell 1 and a plurality of support rods 10, wherein a motor 5 is fixedly connected to the bottom of the shell 1, and an acquisition mechanism for acquiring samples is arranged in the shell 1, wherein the acquisition mechanism comprises a rotating shaft 11 arranged on the output shaft of the motor 5, a conveying pipe 12 is rotatably connected under the rotating shaft 11, a rotating rod 13 is fixedly connected to the lower end of the rotating shaft 11, a spiral blade 14 is fixedly connected to the side wall of the rotating rod 13, a sampling tube 17 connected to the inside of the conveying pipe 12 is arranged on the side wall of the conveying pipe 12, a sampling chamber 18 connected to the inside of the sampling tube 17 is arranged on the sampling tube 17, a fixed tube 19 is fixedly connected to the bottom of the sampling chamber 18, a fixed ring 20 is arranged on the fixed tube 19, a sampling test tube 21 is arranged under the sampling chamber 18, and after a sample is extracted and self-cleaned, a sampling test tube 21 can be replaced to continue to extract the next sample, thereby reducing the acquisition time of extracting samples of different materials.

[0020] In the utility model, the cleaning mechanism includes an exhaust fan 2 fixedly connected to the inner wall of the shell 1, the suction end of the exhaust fan 2 is connected to the conveying pipe 12 through the suction pipe 9, the exhaust end of the exhaust fan 2 is connected to a first connecting pipe 4, and the suction pipe 9 is provided with a first valve 15. Before extracting the next material sample, the residual sample in the conveying pipe 12 can be cleaned to avoid mixing between samples and affecting the detection results.

[0021] In the utility model, the first connecting pipe 4 is connected to a discharge pipe 6 at one end away from the exhaust fan 2, a second connecting pipe 7 is arranged inside the discharge pipe 6, and a dust filter bag 8 is arranged on the side wall of the second connecting pipe 7 through a rope loop. The dust filter bag 8 can effectively collect the materials collected by the exhaust fan 2.

[0022] In the utility model, a battery 3 is fixedly connected inside the shell 1, and the battery 3 can provide power to the equipment. There is no need to connect the power supply when working, so that its application field is wider. The second connecting pipe 7 is threadedly connected to the discharge pipe 6, which is convenient for the staff to take out the second connecting pipe 7 to remove the dust filter bag.

[0023] In the utility model, a second valve 16 is provided on the sampling tube 17, and a protective cover 22 is slidably connected to the side wall of the delivery tube 12. The cross-section of the outer circle of the delivery tube 12 is rectangular. The protective cover 22 can cover the powder pile at the extraction position, which can effectively prevent dust from splashing when extracting samples.

[0024] In the initial state, the first valve 15 and the second valve 16 are both in the closed state.

[0025] When in use, open the second valve 16, put the sampling test tube 21 into the fixed tube 19, fix it through the fixed ring 20, cover the protective cover 22 on the material to be sampled to prevent plastic dust from flying around when obtaining, press down the device to make the conveying tube 12 enter the powder pile, start the motor 5, the output end of the motor 5 drives the rotating shaft 11 to rotate, the rotating shaft 11 drives the rotating rod 13 to rotate, the spiral blade 14 rotates to work, the material is transported by the spiral blade 14 and finally enters the sampling test tube 21, after the sample is collected in the sampling test tube 21, turn off the motor 5, close the second valve 16, take out the sampling test tube 21, and collect the full powder by extraction, and the collection work speed is fast;

[0026] Secondly, before taking a sample, open the first valve 15 and start the exhaust fan 2. The exhaust fan 2 sucks the residual sample in the delivery pipe 12 through the suction pipe 9. The residual sample enters the dust filter bag 8 through the first connecting pipe 4, the discharge pipe 6 and the second connecting pipe 7. During the process, the staff can avoid manually cleaning the residual sample in the delivery pipe 12, which reduces the labor intensity of the staff.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and practical concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A sampling device for detecting plastic powder coatings, comprising a housing (1) and a plurality of support rods (10), characterized in that: A motor (5) is fixedly connected to the bottom of the housing (1), and an acquisition mechanism for acquiring a sample is provided in the housing (1), the acquisition mechanism comprising a rotating shaft (11) arranged on the output shaft of the motor (5), a conveying pipe (12) being rotatably connected to the side wall of the rotating shaft (11), a rotating rod (13) being fixedly connected to the lower end of the rotating shaft (11), a spiral blade (14) being fixedly connected to the side wall of the rotating rod (13), a sampling tube (17) being provided on the side wall of the conveying pipe (12) being communicated with the interior thereof, a sampling chamber (18) being provided on the sampling tube (17) being communicated with the interior thereof, a fixing tube (19) being fixedly connected below the sampling chamber (18), a fixing ring (20) being provided on the fixing tube (19), a sampling test tube (21) being provided below the sampling chamber (18), and a cleaning mechanism for cleaning residual dust inside the conveying pipe (12) being provided in the housing (1).

2. A sampling device for detecting plastic powder coatings according to claim 1, characterized in that: The cleaning mechanism comprises an exhaust fan (2) fixedly connected to the inner wall of the housing (1); the suction end of the exhaust fan (2) is connected to the delivery pipe (12) through an intake pipe (9); the exhaust end of the exhaust fan (2) is connected to a first connecting pipe (4); and the intake pipe (9) is provided with a first valve (15).

3. A sampling device for detecting plastic powder coatings according to claim 2, characterized in that: The end of the first connecting pipe (4) away from the exhaust fan (2) is connected to a discharge pipe (6), a second connecting pipe (7) is arranged inside the discharge pipe (6), and a dust filter bag (8) is arranged on the side wall of the second connecting pipe (7) via a rope loop.

4. A sampling device for detecting plastic powder coatings according to claim 3, characterized in that: A storage battery (3) is fixedly connected inside the housing (1), and the second connecting pipe (7) is threadedly connected to the discharge pipe (6).

5. A sampling device for detecting plastic powder coatings according to claim 1, characterized in that: The sampling tube (17) is provided with a second valve (16), the side wall of the delivery tube (12) is slidably connected with a protective cover (22), and the outer ring cross section of the delivery tube (12) is rectangular.

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