CN217059749U - Paper angle bead bending resistance test support and paper angle bead strength tester - Google Patents
Paper angle bead bending resistance test support and paper angle bead strength tester Download PDFInfo
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- CN217059749U CN217059749U CN202220499009.1U CN202220499009U CN217059749U CN 217059749 U CN217059749 U CN 217059749U CN 202220499009 U CN202220499009 U CN 202220499009U CN 217059749 U CN217059749 U CN 217059749U
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- loading head
- angle bead
- paper angle
- support
- centering scale
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Abstract
The utility model belongs to the technical field of the test of paper angle bead, a paper angle bead bending resistance test support is disclosed, its mainly used solve in the bending resistance test of paper angle bead because of the position of loading head can not pinpoint and lead to the great problem of final test data deviation. The utility model discloses a perpendicular to bottom plate plane installation centering scale on the bottom plate, and this centering scale is located the middle part position of two support frame intervals, when the tester places the loading head, just can adjust the position of loading head through the position of centering scale, make it align the centering scale as far as possible, and then guarantee that the loading head is in the middle part position of two support frame intervals, can accurately act on the sample when pressurizing the loading head, guarantee the accuracy of final test data; the utility model also discloses a paper angle bead strength tester.
Description
Technical Field
The utility model belongs to the technical field of the test of paper angle bead, more specifically says, involves a paper angle bead bending test support and paper angle bead strength tester.
Background
According to the BB/T0023-2017 standard, the paper corner protector needs to be subjected to tests such as a longitudinal compression test, a bending test and the like. Wherein, the longitudinal compression test flow of the paper angle bead is as follows: cutting five samples with the length of 300mm from any position of the paper corner protector, vertically placing the samples at the central position of the supporting plate, compressing the samples by the pressing plate at the speed of (10 +/-2) mm/min until the samples are crushed, recording the maximum compression resistance value during crushing, and taking the average value of the five samples; the bending resistance test flow is as follows: five samples with the length of 300mm are cut from any part of the paper corner protector, the samples are placed on a paper corner protector bending resistance test bracket, a loading head is placed in the middle of the samples, force is applied to the samples at the speed of (100 +/-10) mm/min, the maximum crushing value is recorded, and the average value of the five samples is taken.
In the bending resistance test of the paper angle bead, because the loading head is an independent test element, a tester is required to manually place the loading head on a sample, and judge whether the position of the loading head is in the middle position of the two support frames by naked eyes, the centering mode is not accurate enough, the human error is too large, and the final test data of the paper angle bead has larger deviation; meanwhile, in the strength test of the paper angle bead, in order to ensure the stability of pressure supply in the test process, a large number of manufacturers use the paper angle bead strength tester to apply pressure, but in the bending test of the paper angle bead, a tester simply places the paper angle bead bending-resistant test bracket on the supporting plate of the paper angle bead strength tester, and does not center the paper angle bead bending-resistant test bracket and the supporting plate, so that the center of a pressurizing module of the paper angle bead strength tester cannot accurately act on a loading head when the paper angle bead strength tester applies pressure, and the error of the final test result is large.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model aims to provide a paper angle bead bending test support, its relative position that can accomplish to fix a position loading head and support frame comparatively accurately to a paper angle bead strength tester is still provided, its pressurization module, loading head, support frame and backup pad can keep adjusting well completely.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a paper corner protector bending test support comprises a base plate, support frames and a loading head, wherein a centering scale is arranged on the base plate and perpendicular to the plane of the base plate, and the centering scale is located in the middle of the distance between the two support frames.
Furthermore, the upper end of the centering scale extends to the height range of the initial position of the loading head, and the thickness of the centering scale is equal to that of the loading head.
Further, a gap exists between the centering scale and the loading head.
Further, the centering scale is mounted on the side of the base plate or on the plane of the base plate.
Furthermore, the lower part of the loading head and the upper part of the support frame are matched with the appearance of the sample.
A paper angle bead strength tester comprises the paper angle bead bending-resistant test support.
Furthermore, the device also comprises a support plate and a pressurizing module, wherein the support plate is fixedly installed on the bottom plate, and the middle part of the support plate is aligned with the middle position of the space between the two support frames.
Further, the alignment between the supporting plate and the supporting frame is realized through a positioning pin. Similarly, the alignment mode between the supporting plate and the supporting frame can also adopt other means, such as screw alignment, as long as the final alignment of the supporting plate and the supporting frame can be ensured, which belongs to the reasonable expansion of the technical scheme.
Further, a pressure sensor is installed in the pressurizing module.
Compared with the prior art, the utility model discloses following beneficial effect has:
one, the utility model discloses a perpendicular to bottom plate planar mount centering scale on the bottom plate, and this centering scale is located the middle part position of two support frame intervals, when the tester placed the loading head, just can adjust the position of loading head through the position of centering scale, make it align the centering scale as far as possible, and then guarantee that the loading head is in the middle part position of two support frame intervals, can the accurate effect on the sample when pressurizeing to the loading head, ensure the accuracy of final test data.
The upper end of the centering scale extends to the height range of the initial position of the loading head, the thickness of the centering scale is equal to that of the loading head, the loading head can be adjusted more conveniently due to the design, only the two side faces of the loading head are aligned to the centering scale, the adjusting difficulty of testing personnel can be reduced, the position of the loading head can be guaranteed to be more accurate, and testing errors are reduced.
And a gap exists between the centering scale and the loading head, when the loading head is pressed, the centering scale and the loading head can move downwards, the gap can avoid abrasion between the centering scale and the loading head, and the service life of parts is prolonged.
Fourthly, the centering scale is installed on the side of the bottom plate or the plane of the bottom plate, the size of the loading head and the centering scale which need to be close to the loading head as much as possible are comprehensively considered in the selection of the installation position, the alignment can be conveniently carried out while the practicability is improved, the working difficulty of testing personnel can be reduced, and the accuracy of the test data is increased.
And the lower part of the loading head and the upper part of the support frame are matched with the appearance of the sample, different loading heads and support frames can be designed according to the appearance of different types of samples, the interchangeability of the bending-resistant test support is improved, the installation mode of the matched appearance is more favorable for testing strength data, and the test error caused by structural resistance between the sample and the bending-resistant test support can be reduced.
Sixth, the utility model also provides a paper angle bead strength test appearance, it includes foretell paper angle bead bending resistance test support, has the same beneficial effect with above-mentioned paper angle bead bending resistance test support.
Seventhly, the paper angle bead strength tester also comprises a supporting plate and a pressurizing module, the supporting plate is fixedly installed on the bottom plate, the paper angle bead strength tester can ensure that the supporting plate and the pressurizing module are aligned, meanwhile, the paper angle bead strength tester is combined with alignment between the loading head and the supporting frame in the paper angle bead bending-resistant test support, finally, the middle of the supporting plate is aligned with the middle position of the space between the two supporting frames, the pressurizing module, the loading head, the supporting frame and the supporting plate can be ensured to be completely aligned, more accurate test data is ensured, and test errors are reduced as much as possible.
Eighthly, the alignment between the supporting plate and the supporting frame is realized through the positioning pin, the positioning installation mode has the advantages that the supporting plate and the supporting frame can be accurately aligned, the mounting and dismounting are more convenient, and the replacement period can be shortened when samples of different sizes are tested.
And ninthly, a pressure sensor is arranged in the pressurizing module, the pressurizing module is in contact with the loading head and applies pressure to the loading head until the sample is crushed, the pressure sensor can accurately measure the pressure value change in the process and transmit the pressure value change to a display screen of the paper corner protection strength tester, the whole test process can be monitored, and the final test error is reduced.
Drawings
Fig. 1 is a schematic diagram of a three-dimensional structure of the middle paper corner protector bending test bracket of the present invention.
FIG. 2 is the two-dimensional structure schematic diagram of the bending-resistance test support for the middle paper corner protector of the utility model
Fig. 3 is a schematic view of a plane structure of the middle paper corner protector strength tester of the present invention.
The device comprises a base plate 1, a support frame 2, a loading head 3, a centering scale 4, a support plate 5, a pressurizing module 6 and a pressure sensor 7.
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 efforts all belong to the protection scope of the present invention.
As shown in fig. 1, the paper corner protector bending test support comprises a base plate 1, support frames 2 and a loading head 3, wherein a centering scale 4 is arranged on the base plate 1 and is perpendicular to the plane of the base plate 1, and the centering scale 4 is positioned in the middle of the distance between the two support frames 2.
The utility model discloses a 1 planar mounting centering scale 4 of perpendicular to bottom plate on bottom plate 1, and this centering scale 4 is located the middle part position of two support frames 2 intervals, when the tester places loading head 3, just can adjust loading head 3's position through centering scale 4, make it align centering scale 4 as far as possible, and then guarantee that loading head 3 is in the middle part position of two support frames 2 intervals, can the accurate action on the sample when adding the pressure of loading head 3, ensure the accuracy of final test data.
The upper end of the centering scale 4 extends to the height range of the initial position of the loading head 3, the thickness of the centering scale 4 is equal to that of the loading head 3, the loading head 3 can be adjusted more conveniently by the aid of the design, as long as two side faces of the loading head 3 are aligned to the centering scale 4, the adjusting difficulty of testing personnel can be reduced, the position of the loading head 3 can be more accurate, and testing errors are reduced.
There is the clearance between centering scale 4 and the loading head 3, when exerting pressure to loading head 3, it can move down, and the clearance setting can avoid producing wearing and tearing between the two, improves the life of part.
The lower part of the loading head 3 and the upper part of the support frame 2 are matched with the appearance of the sample, different loading heads 3 and support frames 2 can be designed according to the appearance of different types of samples, the interchangeability of the bending-resistant test support is improved, the installation mode of the matched appearance is more favorable for testing strength data, and the test error caused by the structural resistance between the sample and the bending-resistant test support can be reduced.
The paper angle bead strength tester shown in fig. 2 comprises the paper angle bead bending-resistant test bracket; still include backup pad 5, pressurization module 6, backup pad 5 and 1 fixed mounting of bottom plate, the middle part of backup pad 5 is adjusted well with the middle part position of two support frame 2 intervals, the paper angle bead strength tester itself can guarantee adjusting well between backup pad 5 and the pressurization module 6, combine the centering between loading head 3 and the support frame 2 in the bending-resistant test support of paper angle bead simultaneously, adjust well with the middle part position of two support frame 2 intervals through the middle part of backup pad 5 at last, can guarantee pressurization module 6, loading head 3, support frame 2 and backup pad 5 can keep adjusting well completely, it is more accurate to ensure test data, minimize experimental error.
The alignment between the supporting plate 5 and the supporting frames 2 is realized by positioning pins, that is, a plurality of positioning pins which are centrosymmetric around the middle position of the space between the two supporting frames 2 are arranged on the bottom plate 1, and corresponding positioning holes which are centrosymmetric around the middle position of the supporting plate 5 are arranged on the supporting plate 5, and the corresponding should be understood as that the number of the positioning pins and the positioning holes, and the angle between the positioning pins and the angle between the positioning holes are all kept consistent; it is conceivable that positioning pins may be provided on the support plate 5 and positioning holes may be provided on the base plate 1.
Particularly, the number of the positioning pins and the positioning holes is two, and the positioning installation mode has the advantages that accurate alignment between the supporting plate 5 and the supporting frame 2 can be ensured, the mounting and dismounting are more convenient, and the replacement period can be shortened when samples with different sizes are tested.
The pressurizing module 6 is internally provided with the pressure sensor 7, the pressurizing module 6 is in contact with the loading head 3 and applies pressure to the loading head 3 until the sample is crushed, the pressure sensor 7 can accurately measure the pressure value change in the process and transmit the pressure value change to the display screen of the paper corner protection strength tester, the whole test process can be monitored, and the final test error is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. The paper corner protector bending test support comprises a base plate (1), support frames (2) and a loading head (3), and is characterized in that a centering scale (4) is arranged on the base plate (1) and perpendicular to the plane of the base plate (1), and the centering scale (4) is located in the middle of the distance between the two support frames (2).
2. Paper corner bend test stand according to claim 1, characterized in that the upper end of the centering scale (4) extends to within the height of the initial position of the loading head (3), and the thickness of the centering scale (4) is equal to the thickness of the loading head (3).
3. Paper corner bend test stand according to claim 2, characterized in that there is a gap between the centering scale (4) and the loading head (3).
4. Paper corner bend test stand according to claim 1, characterized in that the centering scale (4) is mounted on the side of the base plate (1) or on the plane of the base plate (1).
5. The paper corner protector bending test stand according to claim 1, characterized in that the lower part of the loading head (3) and the upper part of the support frame (2) are both adapted to the shape of the test specimen.
6. A paper corner protector strength tester, characterized by comprising the paper corner protector bending resistance test support of any one of claims 1 to 5.
7. The paper corner protector strength tester according to claim 6, further comprising a support plate (5) and a pressurizing module (6), wherein the support plate (5) and the base plate (1) are fixedly installed, and the middle of the support plate (5) is aligned with the middle of the space between the two support frames (2).
8. The tester for testing the strength of paper corner protectors according to claim 7, characterized in that the alignment between the supporting plate (5) and the supporting frame (2) is achieved by means of positioning pins.
9. The paper corner bead strength tester according to claim 7, wherein a pressure sensor (7) is installed in the pressurizing module (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220499009.1U CN217059749U (en) | 2022-03-09 | 2022-03-09 | Paper angle bead bending resistance test support and paper angle bead strength tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220499009.1U CN217059749U (en) | 2022-03-09 | 2022-03-09 | Paper angle bead bending resistance test support and paper angle bead strength tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217059749U true CN217059749U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220499009.1U Active CN217059749U (en) | 2022-03-09 | 2022-03-09 | Paper angle bead bending resistance test support and paper angle bead strength tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217059749U (en) |
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- 2022-03-09 CN CN202220499009.1U patent/CN217059749U/en active Active
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