CN208043609U - A kind of air flux tester - Google Patents

Abstract

The utility model provides an air flux tester, which includes a main body, the main body includes an upper pressure head, a lower pressure head and a test unit, the test unit is used to drive the upper pressure head to move up and down, and Controlling the separation and combination of the upper pressing head and the lower pressing head also includes: a fixing piece, the fixing piece is used to fix a film; a driving unit, the driving unit is used to drive the fixing piece at x and y-direction, and drive the film to move between the upper pressure head and the lower pressure head; the controller, the controller is connected with the testing unit and the driving unit, and is used to control the the test set and the drive set activities. The air flux tester provided by the utility model can make the detection efficiency high.

Description

An air flux tester

technical field

The utility model belongs to the technical field of film detection and relates to an air flux tester.

Background technique

Air flux refers to the amount of air flowing through a unit area per unit time under a certain pressure. In the production process of some films, it is also necessary to test the air flux of the film. At present, the air flux testers used in the market are all measured by simple devices. The test method of this device is complicated to operate and the efficiency is very low. The specific test steps are as follows:

Cut the sample to be tested according to the test; put the cut test sample on the test table, and move the upper and lower pressure heads up and down. The upper and lower pressure heads are symmetrically distributed on both sides of the film, and then tighten The fixing screw is used to make the upper and lower pressure heads tightly connected, and at the same time, the upper and lower pressure heads clamp the film in the middle; adjust the air inlet and outlet regulating valves on the upper and lower pressure heads to make The pressure difference in the upper pressure head and the lower pressure head reaches the value required by the test; the value on the flowmeter is read and recorded; but this detection method is cumbersome, making the detection efficiency low.

Utility model content

The purpose of the utility model is to provide an air flux tester and a test method, aiming at solving the problem of low detection efficiency due to cumbersome operation.

In order to solve the above technical problems, the utility model provides an air flux tester, which includes a main body, the main body includes an upper indenter, a lower indenter and a testing unit, and the testing unit is used to drive the upper The pressure head moves up and down, and controls the separation and combination of the upper pressure head and the lower pressure head, and also includes:

a fixing part, the fixing part is used to fix a film;

a driving unit, the driving unit is used to drive the fixing member to move in the x direction and the y direction, and drive the film to move between the upper pressing head and the lower pressing head;

A controller, the controller is connected with the testing unit and the driving unit, and is used to control the activities of the testing unit and the driving unit.

The utility model further provides that the fixing part is square, and the middle part of the fixing part is hollowed out, and the pressing head is located in the hollow part of the fixing part.

The utility model is further provided that the driving unit includes two driving motors, one driving motor is used to drive the fixing member to move in the x direction, and the other driving motor is used to drive the fixing member to move in the y direction. Activity.

The utility model further provides that the driving unit further includes a position sensor connected to the controller, and the position sensor is used to sense the position of the fixing member.

The utility model further provides that the driving unit further includes a driving handle, and the driving handle is located on the main body for controlling the two driving motors.

The utility model is further configured that the upper surface of the pressing head is coplanar with the top of the fixing part.

The utility model is further provided that, the fixing part is detachably provided with a pressing part matching the shape of the fixing part, and the pressing part and the fixing part are detachably connected through a magnet. When the film is used, the film is located between the fixing part and the pressing part.

The utility model also provides an air flux testing method using any one of the above air flux testers, comprising the following steps:

S1, fixing the film on the fixture;

S2, start the tester, the controller in the tester sends instructions to the test unit and the drive unit;

S3, the test unit drives the upper pressure head to move, and the drive unit controls the fixed parts to drive the film to move;

S4, the upper indenter presses the film tightly on the lower indenter, and performs an air flux test;

After the detection in S5 and S4 is completed, the controller sends instructions to the testing unit and the driving unit. The testing unit drives the upper indenter to move and separates the upper indenter from the lower indenter. move to between the upper and lower pressure heads;

S6, repeating S3-S5 until the detection is completed.

Compared with the prior art, the utility model provides an air flux tester and a testing method. When testing, the film is first fixed on the fixing part, and then the controller controls the driving unit to move the fixing part to the specified position. position, the controller then sends instructions to the test unit, and controls the upper pressure head to move downward until the upper pressure head and the lower pressure head press the film to be tested. When the air pressure difference between the upper pressure head and the lower pressure head After the value required by the test is reached, read the value on the flowmeter and record it; after a test is completed, the controller sends an instruction to the test unit and the drive unit, the test unit drives the upper pressure head and the lower pressure head, and the drive unit drive is fixed. Parts are moved, and another part of the film to be detected is moved between the upper and lower pressure heads, and so on, until the detection is completed; because during the entire detection process, there is no need to manually move the upper and lower pressure heads At the same time, there is no need to manually fix the upper and lower indenters, so the test efficiency can be greatly improved; at the same time, there is no need for manual adjustment when moving the film, which further improves the test efficiency.

Description of drawings

Fig. 1 is a front view of an air flux tester according to an embodiment of the present invention;

Fig. 2 is a side view of an air flux tester according to an embodiment of the present invention;

Fig. 3 is a schematic structural view of an air flux tester in an embodiment of the present invention after the pressing part is combined with the fixing part.

Among them, 1. Main body; 2. Upper pressure head; 3. Lower pressure head; 4. Test unit; 5. Fixing parts; 6. Driving handle; 7. Compression parts; 8. Magnets.

Detailed ways

The air flux tester and test method proposed by the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. According to the following description and claims, the advantages and features of the utility model will be more clear. It should be noted that all the drawings are in very simplified form and use inaccurate scales, which are only used to facilitate and clearly illustrate the purpose of the embodiment of the present utility model. The same or similar reference numerals in the drawings represent the same or similar components.

An air flux tester, as shown in Figures 1 to 3, includes a main body 1, and the main body 1 includes an upper indenter 2, a lower indenter 3 and a test unit 4, and the test unit 4 is used for Driving the upper pressing head 2 to move up and down, and controlling the separation and combination of the upper pressing head 2 and the lower pressing head 3, also includes:

Fixing part 5, described fixing part 5 is used for fixing a film;

a driving unit, the driving unit is used to drive the fixing member 5 to move in the x direction and the y direction, and to drive the film to move between the upper pressing head 2 and the lower pressing head 3;

A controller, the controller is connected with the testing unit 4 and the driving unit, and is used to control the activities of the testing unit 4 and the driving unit.

The fixing part 5 is square, and the middle part of the fixing part 5 is hollowed out, and the pressing head 3 is located in the hollow part of the fixing part 5 .

Wherein, the driving unit includes two driving motors, one driving motor is used to drive the fixing member 5 to move in the x direction, and the other driving motor is used to drive the fixing member 5 to move in the y direction. The driving unit also includes a position sensor connected to the controller, and the position sensor is used to sense the position of the fixing member 5 .

The drive unit also includes a drive handle 6, which is located on the main body 1 and used to control the two drive motors.

The upper surface of the pressing head 3 is coplanar with the top of the fixing member 5 . The fixing part 5 is detachably provided with a pressing part 7 matching the shape of the fixing part 5, and the pressing part 7 is detachably connected to the fixing part 5 through a magnet 8. When fixing the When the film is used, the film is located between the fixing part 5 and the pressing part 7 .

The utility model also provides an air flux testing method using any one of the above air flux testers, comprising the following steps:

S1, fixing the film on the fixing member 5;

S2, start the tester, the controller in the tester sends instructions to the test unit 4 and the drive unit;

S3, the testing unit 4 drives the upper pressure head 2 to move, and the driving unit controls the fixing part 5 to drive the film to move;

S4, the upper pressure head 2 presses the film tightly on the lower pressure head 3, and performs the air flux test;

After the detection in S5 and S4 is completed, the controller sends instructions to the testing unit 4 and the driving unit, the testing unit 4 drives the upper pressing head 2 to move and separates the upper pressing head 2 from the lower pressing head 3, and then the driving unit drives the fixing member 5 to move , and move the film to be detected between the upper pressure head 2 and the lower pressure head 3;

S6, repeating S3-S5 until the detection is completed.

To sum up, the utility model provides a kind of air flux tester and testing method, when carrying out similar air test to the film, firstly, the pressing part 7 is separated from the fixing part 5, and the film is placed on a fixed On the part 5, then place the pressing part 7 on the fixing part 5, the pressing part 7 and the fixing part 5 are fixedly connected by the magnet 8, and the position of the film is fixed at the same time; start the tester, and the controller sends an instruction Give the test unit 4 and the drive unit, wherein the test unit 4 includes a cylinder, the two drive motors of the drive unit move and move the position of the film to be tested between the upper pressure head 2 and the lower pressure head 3, and then the test unit 4 drives The upper indenter 2 moves downward and clamps the film with the lower indenter 3, and the inspection can be carried out after clamping; after one detection is completed, the testing unit 4 drives the upper indenter 2 to separate from the lower indenter 3, and then drives the unit Drive the fixed part 5 to move, and move the upper and lower parts of the film to be detected between the upper indenter 2 and the lower indenter 3, and the detection unit drives the upper indenter 2 to move for the second detection, so reciprocating until Test all the places that need to be tested until the test is completed.

Wherein, in the whole detection process, when the upper indenter 2 and the lower indenter 3 are clamping the film, it is not necessary to manually carry out, so that the efficiency of the detection can be greatly improved, and at the same time, it is not necessary to move the film. Manual movement is required, which further improves the detection efficiency. Not only that, because the driving unit can accurately move the position of the film under the action of the position sensor during detection, which can also improve the quality of detection. ensure.

Among them, since the driving motor can drive the fixing member 5 to move in both the x direction and the y direction, the film can be detected in the largest range, and the detection comprehensiveness is higher, so that the average flux of the film can be better calculated Not only that, the detection diameter of the upper indenter 2 and the lower indenter 3 in the present embodiment, that is, the diameter acting on the film is 10mm, so the diameter when the flux is detected is smaller, because the detection is located on the upper The average flux of the film between the indenter 2 and the lower indenter 3, so the smaller the diameter of the test, the better the quality of the test at the test point.

Not only that, when a specific place is detected, the fixed part 5 can not be driven by the driving motor, but driven by the driving handle 6, which can be applied to various situations and has wide applicability.

When fixing the film, it is only necessary to directly separate the pressing part 7 from the fixing part 5, and because the fixing part 5 and the pressing part 7 are connected by a magnet 8, the connection and separation of the two are easy to operate, and at the same time It is also convenient to fix and take off the film; because the fixing part 5 is square, the periphery of the film can be fixed when fixing the film, and the fixing effect is good; and the top of the lower pressure head 3 and the fixing part 5 The top of the film is of the same height, so that the upper indenter 2 can directly press the film on the lower indenter 3 during the test, without the need to drive the film to deform, so that the quality of the test is guaranteed.

It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment focuses on the differences from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description is only a description of the preferred embodiments of the present utility model, and is not any limitation to the scope of the present utility model. Any changes and modifications made by those of ordinary skill in the field of the utility model according to the above disclosures all belong to the protection scope of the claims .

Claims (7)

1. a kind of air flux tester, which is characterized in that including main body, the main body includes seaming chuck, push-down head And test unit, the test unit for driving the seaming chuck to move up and down, and control the seaming chuck and it is described under The separation and combination of pressure head, further include having：

Fixing piece, the fixing piece is for fixing a film；

Drive train, the drive train is for driving the fixing piece, to activity, and to drive the film in institute to y in x It is movable between seaming chuck and the push-down head to state；

Controller, the controller are connect with the test unit and the drive train, for control the test unit and The drive train activity.

2. a kind of air flux tester according to claim 1, which is characterized in that the fixing piece is rectangular, and institute The middle part for stating fixing piece is hollow out shape, and the push-down head is located in the hollow-out part of the fixing piece.

3. a kind of air flux tester according to claim 1 or 2, which is characterized in that the drive train includes two A driving motor, a driving motor is for driving the fixing piece in x to activity, and another driving motor is for driving The fixing piece is in y to activity.

4. a kind of air flux tester according to claim 3, which is characterized in that the drive train further includes having position Inductor is set, the position sensor is connect with the controller, and the position sensor is used to incude the position of the fixing piece It sets.

5. a kind of air flux tester according to claim 3, which is characterized in that the drive train further includes having drive Fixed handle, the driving handle are located on the main body, for controlling two driving motors.

6. a kind of air flux tester according to claim 2, which is characterized in that the upper surface of the push-down head and institute The top for stating fixing piece is coplanar.

7. a kind of air flux tester according to claim 2, which is characterized in that separate setting on the fixing piece Have with the matched compressing member of fixing piece shape, pass through that magnet is separable to be connected between the compressing member and the fixing piece It connects, when the fixation film, the film is between the fixing piece and the compressing member.