Online dust particle counter calibration device

Abstract

The utility model provides an on-line dust particle counter calibration device which comprises a calibration host and an external conveying assembly used for conveying workpieces, one end of the calibration host is fixedly connected with a first electric push rod, the movable end of the first electric push rod is fixedly connected with a calibration barrel, and the inside of the calibration barrel is fixedly connected with a second electric push rod. The movable end of the second electric push rod is fixedly connected with a cleaning support, the two ends of the cleaning support are rotationally connected with cleaning cloth reels, and one end of the cleaning support is fixedly connected with a driving assembly. A second electric push rod extends after calibration of gas containing dust is finished every time, cleaning cloth between two cleaning cloth reels below is made to be tightly attached to one end of a workpiece probe, the cleaning cloth is preferably made of non-woven fabric, then a driving assembly drives the cleaning cloth reels on the two sides to rotate, the cleaning cloth moves to conduct cleaning, and the cleaning efficiency is improved. Meanwhile, the polluted cleaning cloth is secondarily polluted by the winding and recycling surface, and the problem that calibration is inaccurate due to mutual influence among calibration with dust particles for many times is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dust particle counter production technical field, especially online dust particle counter calibration device. BACKGROUND

[0002] Dust particle counter is a kind of precision instrument for measuring the number of dust particles in unit volume and particle size distribution. It is widely used in various industries and fields to ensure that the environmental cleanliness meets the specific standards, can monitor air quality, detect clean room, control production process, detect high-efficiency filter, and needs to be calibrated online in the production process to improve product quality and ensure that the instrument can accurately monitor the number of dust particles and particle size distribution in the production environment. When calibrating, different dust particle amount gas is generally blown to the counter probe for multiple calibration.

[0003] Through search, the patent with Chinese patent publication No. CN201707281U discloses high-temperature laser dust particle counter calibration device, which comprises high-temperature clean air supply mechanism, standard particle buffer mechanism, electric heating mechanism and temperature control mechanism. The high-temperature fan sends the air filtered by high-temperature filter into the buffer tank, and the electric heating mechanism is started to heat the clean air in the buffer tank.

[0004] In view of the problem that the above-mentioned technology lacks the function of cleaning the counter probe part, which affects the calibration accuracy of the gas with different dust particle amount blowing to the counter probe. Therefore, an online dust particle counter calibration device is proposed. UTILITY MODEL CONTENT

[0005] Therefore, the utility model embodiment hopes to provide an online dust particle counter calibration device to solve or alleviate the technical problems existing in the prior art, at least to provide a beneficial choice.

[0006] The technical scheme of the utility model embodiment is realized as follows: a calibration host and an external conveying assembly for conveying workpieces are included. The calibration host is fixedly connected with an electric push rod I at one end. The movable end of the electric push rod I is fixedly connected with a calibration barrel. The calibration barrel is fixedly connected with an electric push rod II inside. The movable end of the electric push rod II is fixedly connected with a cleaning support. The cleaning support is rotatably connected with a cleaning cloth reel at both ends. The cleaning support is fixedly connected with a driving assembly at one end.

[0007] In some embodiments, the driving assembly includes a synchronous wheel, a synchronous belt and a winding motor. One end of the synchronous wheel is fixedly connected with the cleaning cloth reel. Both ends of the synchronous belt are drivingly connected with the synchronous wheel. One end of the winding motor is fixedly connected with the cleaning support. The power output end of the winding motor is drivingly connected with one side of the synchronous wheel.

[0008] In some embodiments, the calibration barrel is fixedly connected with a plurality of air inlet interfaces and air outlet interfaces at one end.

[0009] In some embodiments, the calibration barrel is fixedly connected with a liquid spraying pipe at one end, and the liquid spraying pipe is fixedly connected with an impeller groove at one end.

[0010] In some embodiments, the impeller groove is rotatably connected with an impeller inside, the impeller is fixedly connected with a ratchet at one end, and the ratchet and the impeller groove are fixedly connected with a spring two at one end.

[0011] In some embodiments, the electric push rod two is fixedly connected with a side support at one end, the side support is slidably connected with a ratchet plate at one side, and the ratchet plate and the side support are fixedly connected with a spring one at one end.

[0012] In some embodiments, the calibration host is fixedly connected with an electric screw at one side, and the electric screw is threadedly connected with a plurality of fixed clamping plates at a movable end.

[0013] In some embodiments, the calibration host is fixedly connected with a clamping plate support at one end, and the fixed clamping plate is slidably connected to the clamping plate support at one end.

[0014] The above technical scheme is adopted in the embodiment of the utility model, and the following advantages are obtained.

[0015] 1. An online dust particle counter calibration device, through the extension of the electric push rod two after each dust-containing gas calibration is completed, the cleaning cloth between the two cleaning cloth spools below is tightly attached to one end of the workpiece probe, the cleaning cloth is preferably non-woven cloth, then the driving assembly drives the cleaning cloth spools on both sides to rotate, so that the cleaning cloth moves to clean, and the contaminated cleaning cloth is wound back to reduce the secondary pollution of the surface, reduce the mutual influence between multiple calibrations with dust particles, and cause inaccurate calibration.

[0016] 2. An online dust particle counter calibration device, through the downward movement of the liquid spraying pipe and the cleaning support, the impeller groove is driven to move downward, at this time, the ratchet and the ratchet plate are in contact, the ratchet allows the impeller to rotate, and at this time, the anhydrous ethanol is sprayed to wet the cleaning cloth.

[0017] 3. An online dust particle counter calibration device, through the ratchet pressing the ratchet plate to move to one side when resetting upward, the ratchet no longer rotates when resetting, which reduces the consumption of anhydrous ethanol and prevents too much liquid from being sprayed to affect the calibration of the workpiece.

[0018] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above described exemplary aspects, embodiments and features, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 It is a front view structure diagram of the utility model;

[0021] Figure 2 It is an internal structure diagram of the calibration barrel of the utility model;

[0022] Figure 3 It is a Figure 2 structure diagram of A place in the middle;

[0023] Figure 4 It is a liquid spraying pipe installation structure diagram of the utility model;

[0024] Figure 5 It is a local exploded view of the utility model.

[0025] Reference signs:

[0026] 1, calibration host; 2, external conveying assembly; 3, workpiece; 4, electric push rod one; 5, calibration barrel; 6, air inlet; 7, air outlet; 8, electric screw; 9, clamping plate support frame; 10, fixed clamping plate; 11, electric push rod two; 12, liquid spraying pipe; 13, cleaning support; 14, cleaning cloth roll; 15, synchronous wheel; 16, synchronous belt; 17, winding motor; 18, impeller groove; 19, ratchet wheel; 20, side support; 21, ratchet plate; 22, spring one; 23, impeller; 24, spring two. DETAILED DESCRIPTION

[0027] In the following, only some exemplary embodiments are simply described. As those skilled in the art can realize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0028] The embodiments of the utility model will be described in detail below with reference to the drawings.

[0029] Embodiment 1:

[0030] As Figures 1-5As shown, an online dust particle counter calibration device includes a calibration host 1 and an external conveying assembly 2 for conveying workpieces 3, the external conveying assembly 2 is preferably a belt conveying device, which can be used to convey dust particle counters for calibration, the calibration host 1 internally includes various air pumps and various gas storage tanks, which are used to spray different dust particle content gases for calibration and online recording, one end of the calibration host 1 is fixedly connected with an electric push rod 4, the movable end of the electric push rod 4 is fixedly connected with a calibration barrel 5, the calibration barrel 5 is fixedly connected with an electric push rod 2 11 inside, the movable end of the electric push rod 2 11 is fixedly connected with a cleaning bracket 13, the cleaning bracket 13 is rotatably connected with a cleaning cloth reel 14 at both ends, and the cleaning bracket 13 is fixedly connected with a driving assembly at one end.

[0031] When the external conveying assembly 2 moves the workpiece 3 directly below the calibration barrel 5, the calibration barrel 5 moves downward for calibration under the elongation of the electric push rod 4, and during the calibration process, pure gas is sprayed first, and then different amounts of dust particle-containing gas are sprayed for calibration. After each dust-containing gas calibration is completed, the electric push rod 2 11 is elongated to allow the cleaning cloth between the two cleaning cloth reels 14 below to tightly adhere to the probe end of the workpiece 3, and the cleaning cloth is preferably non-woven fabric. Then the driving assembly drives the cleaning cloth reels 14 on both sides to rotate, allowing the cleaning cloth to move for cleaning, while the contaminated cleaning cloth is reeled back to reduce the secondary pollution of the surface, reducing the mutual influence between multiple dust particle-containing calibrations and causing inaccurate calibration.

[0032] In this embodiment, the driving assembly includes a synchronous wheel 15, a synchronous belt 16, and a winding motor 17, one end of the synchronous wheel 15 is fixedly connected to the cleaning cloth reel 14, the synchronous belt 16 is drivingly connected to the synchronous wheel 15 at both ends, and one end of the winding motor 17 is fixedly connected to the cleaning bracket 13. The power output end of the winding motor 17 is drivingly connected to one side of the synchronous wheel 15; when the winding motor 17 is working, the two synchronous wheels 15 can rotate simultaneously, thereby driving the cleaning cloth reels 14 to rotate simultaneously and driving the cleaning cloth to clean.

[0033] In this embodiment, the calibration barrel 5 is fixedly connected with a plurality of air inlet interfaces 6 and an air outlet interface 7 at one end, the plurality of air inlet interfaces 6 are connected to different air pumps in the calibration host 1, and the air outlet interface 7 is used to exhaust the gas after each calibration.

[0034] In this embodiment, the calibration barrel 5 is fixedly connected with a liquid spraying pipe 12 at one end, the liquid spraying pipe 12 is fixedly connected with an impeller groove 18 at one end, and the liquid spraying pipe 12 is fixed on the cleaning bracket 13 on one side. The liquid spraying pipe 12 can be used to connect a water tank to spray anhydrous ethanol for improving the cleaning effect;

[0035] The impeller 23 is rotatably connected inside the impeller groove 18, one end of the impeller 23 is fixedly connected with the ratchet wheel 19, the ratchet wheel 19 and one end of the impeller groove 18 are fixedly connected with the spring two 24, one end of the electric push rod two 11 is fixedly connected with the side support 20, one side of the side support 20 is slidably connected with the ratchet plate 21, one end of the ratchet plate 21 and the side support 20 are fixedly connected with the spring one 22;

[0036] When the liquid injection pipe 12 moves downward along with the cleaning support 13, the impeller groove 18 is driven to move downward, at this time, the ratchet wheel 19 and the ratchet plate 21 are in contact, the ratchet wheel 19 is driven to rotate by the ratchet plate 21, at this time, the anhydrous ethanol is sprayed to wet the cleaning cloth, when the ratchet wheel 19 is reset, the ratchet plate 21 is pressed to move to one side, so that the ratchet wheel 19 is not rotated during the reset, thereby reducing the consumption of anhydrous ethanol and preventing the problem that too much liquid is sprayed to affect the calibration of the workpiece 3.

[0037] In the embodiment, when the external conveying assembly 2 moves the workpiece 3 to be directly below the calibration barrel 5, the calibration barrel 5 is driven to move downward by the extension of the electric push rod one 4 to calibrate, during the calibration process, pure gas is first sprayed, and then gas containing different amounts of dust particles is sprayed to calibrate, after each calibration of the gas containing dust particles is completed, the electric push rod two 11 is extended, so that the cleaning cloth between the two cleaning cloth reels 14 below is tightly attached to the probe end of the workpiece 3, the cleaning cloth is preferably non-woven cloth, then the driving assembly drives the two cleaning cloth reels 14 on the sides to rotate, so that the cleaning cloth moves to clean, and the contaminated cleaning cloth is wound back to be secondarily contaminated on the surface, thereby reducing the mutual influence between multiple calibrations containing dust particles, and the problem of inaccurate calibration is caused;

[0038] The liquid injection pipe 12 is fixed on one side of the cleaning support 13, the liquid injection pipe 12 is used to connect a water tank to spray anhydrous ethanol to improve the cleaning effect, when the liquid injection pipe 12 moves downward along with the cleaning support 13, the impeller groove 18 is driven to move downward, at this time, the ratchet wheel 19 and the ratchet plate 21 are in contact, the ratchet wheel 19 is driven to rotate by the ratchet plate 21, at this time, the anhydrous ethanol is sprayed to wet the cleaning cloth, when the ratchet wheel 19 is reset, the ratchet plate 21 is pressed to move to one side, so that the ratchet wheel 19 is not rotated during the reset, thereby reducing the consumption of anhydrous ethanol and preventing the problem that too much liquid is sprayed to affect the calibration of the workpiece 3.

[0039] Embodiment 2

[0040] An online dust particle counter calibration device, the embodiment is improved on the basis of the embodiment 1, as shown in Figures 1-5 ,

[0041] In the embodiment, the calibration host 1 is fixedly connected with an electric screw rod 8, a plurality of fixed clamping plates 10 are threadedly connected to the movable end of the electric screw rod 8, the calibration host 1 is fixedly connected with a clamping plate support frame 9, one end of the fixed clamping plate 10 is slidably connected to the clamping plate support frame 9, and the electric screw rod 8 can be rotated to move the two fixed clamping plates 10 inward to calibrate the workpiece 3 before calibration, so that the workpiece 3 is prevented from shaking.

[0042] The above merely illustrates the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can easily think of various changes or replacements within the technical range disclosed by the present application, and these should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An on-line dust particle counter calibration device comprising a calibration host (1) and an external transport assembly (2) for transporting a workpiece (3), characterized in that: The calibration host (1) one end is fixedly connected with electric push rod one (4), electric push rod one (4) movable end fixedly connected with calibration barrel (5), calibration barrel (5) inside fixedly connected with electric push rod two (11), electric push rod two (11) movable end fixedly connected with cleaning support (13), cleaning support (13) both ends are rotatably connected with cleaning cloth reel shaft (14), cleaning support (13) one end is fixedly connected with drive assembly.

2. An on-line dust particle counter calibration device according to claim 1, characterized in that: The drive assembly includes synchronous wheel (15), synchronous belt (16) and winding motor (17), the synchronous wheel (15) one end is fixedly connected to cleaning cloth reel shaft (14), synchronous belt (16) both ends are drivingly connected to synchronous wheel (15), winding motor (17) one end is fixedly connected to cleaning support (13), winding motor (17) power output end is drivingly connected to one side synchronous wheel (15).

3. An on-line dust particle counter calibration device according to claim 2, characterised in that: The calibration barrel (5) one end is fixedly connected with a plurality of air inlet (6) and exhaust interface (7).

4. An on-line dust particle counter calibration device according to claim 3, characterised in that: The calibration barrel (5) one end is fixedly connected with liquid injection pipe (12), liquid injection pipe (12) one end is fixedly connected with impeller groove (18).

5. An on-line dust particle counter calibration device according to claim 4, characterised in that: The impeller groove (18) inside rotatably connected with impeller (23), impeller (23) one end is fixedly connected with ratchet wheel (19), ratchet wheel (19) and impeller groove (18) one end is fixedly connected with spring two (24).

6. An on-line dust particle counter calibration device according to claim 1, characterized in that: The electric push rod two (11) one end is fixedly connected with side support (20), side support (20) one side is slidably connected with ratchet plate (21), ratchet plate (21) and side support (20) one end is fixedly connected with spring one (22).

7. An on-line dust particle counter calibration device according to claim 6, characterised in that: The calibration host (1) one side is fixedly connected with electric screw (8), electric screw (8) movable end is threadedly connected with a plurality of fixed clamping plate (10).

8. An on-line dust particle counter calibration device according to claim 7, characterised in that: The calibration host (1) one end is fixedly connected with clamping plate support frame (9), fixed clamping plate (10) one end is slidably connected to clamping plate support frame (9).

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