CN217358463U - Pressure detection device of thickness gauge - Google Patents

Abstract

The utility model discloses a pressure measurement device of thickness gauge relates to check out test set technical field, the thickness gauge includes pressure sensor and display device, and pressure sensor arranges thickness gauge measuring head lower extreme in, and the pressure sensor below is provided with the cushion. The utility model discloses can effectively solve the problem of the inaccurate influence that causes the pattern production of the toilet paper calibrator of computer measurement and control on the existing market because of the pressure value survey for the pattern of a batch production comes out more accords with the production requirement.

Description

Pressure detection device of thickness gauge

Technical Field

The utility model belongs to the technical field of the check out test set, particularly, relate to a pressure measurement device of calibrator.

Background

In recent years, with the development of industry, the quality detection technology of paper has been greatly improved, and the precision requirement of each index of paper has also been greatly improved. Therefore, more perfection is required in the detection of the paper. The thickness of paper and paperboard is one of the most interesting paper indexes for manufacturers and users, because the thickness of paper and paperboard can reduce the basis weight and the fiber consumption under proper conditions, thereby achieving the aim of saving the cost. Paper thickness gauges are specially developed to produce gauges for the thickness of paper and board and some sheet materials with certain tightness characteristics. At present, a special paperboard thickness tester is adopted in production to test the thickness of paper products such as tissue paper, toilet paper and the like according to the national standard (GB/T451.3-2002).

In the testing process of paper pattern thickness, the final thickness detection value will be influenced to the overdraft size of measuring head, and standard regulation pressure should satisfy (2.0 +/-0.1) kPa, because this pressure is less, and the computer observes and controls toilet paper thickness measurement appearance in the market is at the testing process, and the pressure size under the measuring head is difficult for confirming, can influence measuring result's accuracy, causes the influence to production easily.

In the current market, the gravity of a measuring head and other components is mainly calculated to be used as the contact pressure of the instrument in the detection process, and the actual contact force of the instrument in the detection process cannot be obtained due to the fact that the influence of friction is not considered in the algorithm, so that the actual value of the paper pattern thickness measurement is influenced.

The real pressure of the measuring head of the computer measurement and control toilet paper thickness tester in the current market can not be determined, the final toilet paper thickness measuring value can be directly influenced by the different compression degrees of toilet paper in the detection process, and therefore a device capable of detecting the downward pressure of the measuring head of the computer measurement and control toilet paper thickness tester in production needs to be developed urgently at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims to provide a pressure measurement of calibrator to solve the problem that the unstable condition of computer observing and controlling toilet paper calibrator because of observing and controlling down pressure caused the influence to the paper pattern detection on the existing market, make the paper pattern that batch production came out accord with the production requirement.

For realizing the purpose of the utility model, the technical proposal adopted is that:

the utility model provides a pressure measurement of calibrator device, including pressure sensor (2) and display device (7), calibrator measuring head (3) lower extreme is arranged in pressure sensor (2), and pressure sensor (2) below is provided with cushion (8).

The number or the thickness of the cushion blocks (8) is increased or decreased according to actual needs; the whole height of the cushion block (8) does not exceed the maximum measuring range of the thickness gauge.

Placing a pressure sensor (2) below a measuring head (3) of a thickness gauge, placing a cushion block (8) below the pressure sensor (2), and determining sample pressure values at different height positions of the pressure sensor (2) at full range of the thickness gauge through height configuration of the cushion block (8), wherein the sample pressure values are pressure of the thickness gauge after overcoming friction force, namely actual contact pressure when the thickness of a sample is measured; whether the pressure of the thickness gauge is within a rated range is judged by observing the pressure value on the display device (7), and if the pressure of the thickness gauge is out of tolerance, the weight of the gravity weight (4) on the thickness gauge is adjusted to enable the pressure (2.0 +/-0.1) kPa to meet the standard specification.

The different height positions are any three or more than three height positions in the range of 0-100% of the full range of the thickness gauge.

In an exemplary embodiment of the present invention, the different height positions are any three or more height positions 20% to 90% of the full scale of the thickness gauge.

In an exemplary embodiment of the present invention, the different height positions are any three or more height positions at 20%, 25%, 30%, 40%, 50%, 60%, 70%, 75%, 80%, and 90% of the full scale of the thickness gauge.

In an exemplary embodiment of the invention, the different height positions are height positions at 40%, 60%, 80% of the full scale of the thickness gauge.

"thickness gauge full scale 40%, 60%, 80% high position" indicate, if the biggest range of thickness gauge is 12mm, 40%, 60%, 80% high position indicate 4.8mm, 7.2mm, 9.6mm three position respectively.

The utility model provides a pressure sensor (2) can test the calibrator and overcome the later pressure of frictional force not between same horizontal plane part, can effectively solve the technical problem that the influence that the computer observes and controls toilet paper calibrator caused because of contact pressure is unstable to paper sample thickness detection on the existing market for the paper sample that batch production came out more accords with the production requirement.

The display device (7) includes but is not limited to a display and a computer as long as the pressure value on the pressure sensor can be displayed.

In an exemplary embodiment of the present invention, the rated load of the pressure sensor (2) is (0.01-2) kg.

Further, the pressure sensor (2) is a miniature pressure sensor of Dijia DJWX-12-1Kg of Shanghai.

In an exemplary embodiment of the present invention, the thickness gauge has a structure including: the measuring head comprises a movable column (5) and a measuring head (3), wherein the movable column (5) is vertically arranged on the upper surface of the measuring head (3).

In an exemplary embodiment of the present invention, the bottom end of the movable column (5) is further provided with a gravity lump (4).

In an exemplary embodiment of the present invention, the gravity lump (4) has a central symmetry with respect to the movable column (5).

In an exemplary embodiment of the present invention, the gravity lump (4) is configured as a slotted type.

In an exemplary embodiment of the invention, the movable column (5) is mounted in a guide sleeve (6).

Because domestic papers such as paper handkerchief paper, toilet paper have its soft fluffy characteristic, like great pressure in the loading, will directly eliminate its fluffy characteristic, can not reflect the characteristics of product, make the test result lose the actual meaning, the utility model discloses in the testing process of paper pattern thickness, the standard regulation pressure of measuring head is not higher than (2.0 +/-0.1) kPa, can reduce the compression influence to the paper article.

The utility model discloses pressure measurement can be used for the contact pressure detection of paper article and other sample thickness, is preferred in the paper article, more preferably toilet paper.

The beneficial effects of the utility model are that:

one, because the frictional force is great and difficult the confirming to the influence of pressure value between activity post and uide bushing, the utility model discloses a miniature pressure sensor connects the display device who shows the pressure value, and pressure sensor can test the later pressure of thickness gauge overcoming activity post and uide bushing frictional force, actual contact force in can the accurate survey production process.

Two, the utility model discloses the pressure that makes the toilet paper sample bear reduces to making the sample by obvious compression, obtains objective credible measuring result under the prerequisite that maintains toilet paper basic form, provides accurate data for the standardized production of toilet paper production.

Thirdly, the utility model discloses simple structure, adjustment convenience, low in production cost, thickness measurement precision height.

Drawings

Fig. 1 is a schematic structural view of a pressure detection device for a thickness gauge.

Reference numbers and corresponding part names in the drawings:

1-supporting bench, 2-pressure sensor, 3-measuring head, 4-gravity sticks together, 5-activity post, 6-uide bushing, 7-display device, 8-cushion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "vertical", "inner", "outer", and the like are the directions or positional relationships indicated on the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The utility model discloses a pressure sensor model is the miniature pressure sensor of the good DJWX-12-1Kg of shanghai Dijia, and the thick sample that awaits measuring that adopts is toilet paper.

As shown in fig. 1, the calibrated thickness gauge of the present invention comprises a movable column 5 and a measuring head 3, wherein the movable column 5 is vertically arranged on the upper surface of the measuring head 3; meanwhile, the bottom end of the movable column 5 is provided with a gravity lump 4, and the gravity lump 4 is centrosymmetric relative to the movable column 5; gravity sticks together for convenient dismantlement, and gravity sticks together 4 and establishes to the slot type.

The movable column 5 is arranged in the guide sleeve 6, when the thickness gauge is used for measuring the thickness of a sample, the friction force between the movable column 5 and the guide sleeve 6 can influence the pressure of the measuring head 3 in the up-and-down moving process of the measuring head 3 and the movable column 5, and therefore friction force errors are caused.

In order to make the calibrator measure more accurately, the utility model discloses a following detection method:

the pressure sensor 2 is placed at the center position below a measuring head 3 of the thickness gauge, the cushion block 8 is placed below the pressure sensor 2, and the pressure sensor 2 is respectively arranged at three different height positions of 40%, 60% and 80% of the full range of the thickness gauge through the height configuration of the cushion block 8 to measure the sample pressure values of the different height positions.

In some embodiments, the pressure sensor 2 is placed at the center position below the measuring head 3 of the thickness gauge, the cushion block 8 is placed below the pressure sensor 2, and the height of the cushion block 8 is configured to enable the pressure sensor 2 to respectively measure the sample pressure values at three different height positions of 25%, 50% and 75% of the full scale of the thickness gauge.

In some embodiments, the pressure sensor 2 is placed at the center position below the measuring head 3 of the thickness gauge, the cushion block 8 is placed below the pressure sensor 2, and the height of the cushion block 8 is configured to enable the pressure sensor 2 to respectively measure the sample pressure values at three different height positions of 30%, 60% and 90% of the full range of the thickness gauge.

In some embodiments, the pressure sensor 2 is placed at a central position below the measuring head 3 of the thickness gauge, the cushion block 8 is placed below the pressure sensor 2, and the height of the cushion block 8 is configured to enable the pressure sensor 2 to respectively measure the sample pressure values at four different height positions of 20%, 40%, 60% and 80% of the full scale of the thickness gauge.

The sample pressure value is the pressure after the thickness gauge overcomes the friction force between the movable column 5 and the guide sleeve 6, namely the actual contact pressure when the sample thickness is tested; whether the pressure of the thickness gauge is within a rated range of (2.0 +/-0.1) kPa is judged by observing the pressure value on the display device 7, and if the pressure of the thickness gauge is out of tolerance, the weight of the gravity lump 4 on the thickness gauge is adjusted to meet the pressure specified by a standard.

During pressure detection, the height or the number of the cushion blocks 8 can be adjusted according to actual needs.

The whole height of the cushion block 8 does not exceed the maximum measuring range of the thickness gauge.

The computer-controlled toilet paper thickness gauge produced in the way has a unified standard, and the change of the down pressure of the measuring head caused by the change of the thickness of the paper pattern of the measuring head is not needed to be worried in the production process of the toilet paper, so that the actual thickness value of the paper pattern is influenced, and the production is influenced.

It is to be understood that the above-described embodiments are illustrative only and not restrictive of the broad invention, and that various other modifications and changes in light thereof will be suggested to persons skilled in the art based upon the above teachings. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.

Claims (10)

1. The pressure detection device of the thickness gauge is characterized by comprising a pressure sensor (2) and a display device (7), wherein the pressure sensor (2) is arranged at the lower end of a measuring head (3) of the thickness gauge, and a cushion block (8) is arranged below the pressure sensor (2).

2. A pressure detection device as claimed in claim 1, characterised in that the rated load of the pressure sensor (2) is (0.01-2) kg.

3. A pressure detection device as claimed in claim 2, characterised in that the pressure sensor (2) has a nominal load of 1 kg.

4. The pressure detection device according to claim 1, characterized in that the pressure sensor (2) is a mini pressure sensor DJWX-12-1Kg, dijia shanghai.

5. A pressure detection device according to claim 1, characterized in that the spacer (8) is mounted on a support table (1) of a thickness gauge.

6. The pressure detection apparatus of claim 1, wherein the thickness gauge is configured to include: the measuring head comprises a movable column (5) and a measuring head (3), wherein the movable column (5) is vertically arranged on the upper surface of the measuring head (3).

7. The pressure detection device according to claim 6, characterized in that the bottom end of the movable column (5) is further provided with a gravity lump (4).

8. Pressure detection device according to claim 7, characterized in that the gravity lump (4) is centrosymmetric with respect to the movable column (5).

9. Pressure detection device according to claim 7 or 8, characterized in that the gravity weight (4) is provided in the form of a slotted channel.

10. A pressure detection device as claimed in claim 6, characterized in that the movable post (5) is mounted in a guide sleeve (6).

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