CN217878796U - Sample clamping device - Google Patents
Sample clamping device Download PDFInfo
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- CN217878796U CN217878796U CN202220987064.5U CN202220987064U CN217878796U CN 217878796 U CN217878796 U CN 217878796U CN 202220987064 U CN202220987064 U CN 202220987064U CN 217878796 U CN217878796 U CN 217878796U
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- sample
- test fixture
- pressing plate
- pull rod
- clamping pull
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- 238000012360 testing method Methods 0.000 claims abstract description 83
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000001179 sorption measurement Methods 0.000 claims description 19
- 230000005389 magnetism Effects 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000013522 software testing Methods 0.000 abstract description 3
- 230000035699 permeability Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Abstract
The utility model provides a sample clamping device, wherein a connecting plate bracket is fixed at the bottom of a test bed, a guide sleeve is fixedly connected with the connecting plate bracket, and a clamping pull rod is connected with a connecting piece after sequentially passing through the test bed, the connecting plate bracket and the guide sleeve; the output end of the driving mechanism is fixedly connected with the connecting piece, one end of the driving mechanism, which is far away from the output end, is fixedly connected with the connecting plate bracket, and one end of the clamping pull rod, which is far away from the connecting piece, is provided with a bulge for pressing the sample pressing plate; through holes in opposite positions are respectively formed in the test fixture and the sample pressing plate, a sample sealing ring is arranged on the test fixture, the test fixture is in contact connection with the table top through the table top sealing ring, and the test fixture and the sample pressing plate are mutually adsorbed; the utility model discloses can be more convenient, high-efficient and accurate press from both sides tight sample, avoid causing test error because of the sample presss from both sides tight dynamics difference, improved efficiency of software testing simultaneously.
Description
Technical Field
The utility model relates to a material air permeability test technical field, in particular to sample clamping device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
At present, when the air permeability of a film or a sheet is tested, an operator firstly places a testing clamp on a testing table top of an air permeability tester, then covers a cut film or sheet sample (hereinafter referred to as a sample) on a testing area of a lower clamp, presses a sample pressing plate on the sample, and finally presses the sample pressing plate by pulling pressing pincers arranged at two sides of the clamp so as to press the sample, so that the purpose of sealing the sample between the testing clamp and the sample pressing plate is achieved, and the testing clamp and the sample pressing plate are fixed on the testing table top of the air permeability tester.
Because the sample is various, and the thickness is different, consequently need frequently manual adjustment clamp height, still can have following problem when influencing test efficiency, for example: the height of the pressing pliers is adjusted too high, the pressing force is too small, and the sample cannot be pressed tightly, so that leakage is generated; the pressing pliers are adjusted to be over-bottom in height, the pressing force is too large, the sample can be damaged, and the accuracy of an experimental result can be directly influenced by the size of the pressing force; meanwhile, a positioning device or a cylindrical pin is not arranged between the conventional test fixture and the sample pressing plate for positioning. The former needs the visual inspection operation of an operator for positioning, and the accurate positioning is difficult to realize; in the latter case, the operator is required to adjust the positions of the test fixture and the sample pressing plate to insert the pin into the positioning hole, so that the operation is not convenient enough; moreover, because the sample has a curling characteristic, an operator often needs to press the sample with one hand and operate the clamp with the other hand when placing the sample, and the phenomenon of clamping hands often occurs during operation.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a sample clamping device can be more convenient, high-efficient and accurate press from both sides tight sample, avoids causing testing error because of the sample presss from both sides tight dynamics difference, has improved efficiency of software testing simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses the first aspect provides a sample clamping device.
A sample holding device comprising:
the device comprises a driving mechanism, a guide sleeve, a connecting plate bracket, a connecting piece, a clamping pull rod, a test fixture, a sample pressing plate and a test bed;
the connecting plate support is fixed at the bottom of the test bed, the guide sleeve is fixedly connected with the connecting plate support, and the clamping pull rod sequentially penetrates through the test bed, the connecting plate support and the guide sleeve and then is connected with the connecting piece;
the output end of the driving mechanism is fixedly connected with the connecting piece, one end of the driving mechanism, which is far away from the output end, is fixedly connected with the connecting plate bracket, and one end of the clamping pull rod, which is far away from the connecting piece, is provided with a bulge used for pressing the sample pressing plate;
through holes with opposite positions are respectively arranged on the test fixture and the sample pressing plate, a sample sealing ring is arranged on the test fixture, the test fixture is in contact connection with the table top through the table top sealing ring, and the test fixture and the sample pressing plate are mutually adsorbed.
As an optional implementation manner, a first adsorption element is arranged on the test fixture, and a second adsorption element matched with the first adsorption element is arranged on the sample pressing plate.
As an optional implementation mode, a third adsorption element is arranged on the test fixture, and the sample pressing plate is made of a magnetic material which is matched with the third adsorption element for adsorption.
As an optional implementation mode, a fourth adsorption element is arranged on the sample pressing plate, and the test fixture is made of a magnetic material which is matched with the fourth adsorption element for adsorption.
As an alternative implementation, the test fixture and the sample platen are both magnetic and are opposite in magnetic polarity.
As an alternative implementation manner, the driving mechanism is a motor, an electric cylinder or a gear-rack structure.
As an alternative implementation, the through hole, the sample sealing ring and the table sealing ring are coaxially arranged.
As an optional implementation manner, the clamping pull rod at least comprises a first clamping pull rod and a second clamping pull rod, and the first clamping pull rod and the second clamping pull rod are symmetrically arranged on two sides of the connecting plate bracket along the axis of the through hole.
As an optional implementation manner, the clamping pull rod is a T-shaped rod member, and includes a vertical rod and a cross rod for compressing the sample pressing plate.
Furthermore, the vertical rod is cylindrical, and the sample pressing plate and the test fixture are provided with arc-shaped structures matched with the clamping pull rod.
As an optional realization mode, the sample pressing plate and the test fixture are respectively provided with a groove for an operator to take.
As an alternative implementation, the sample pressure plate and the test fixture are provided with a protrusion or handle, respectively, for the operator to take.
Compared with the prior art, the beneficial effects of the utility model are that:
1. sample clamping device, combine actuating mechanism's driving function and magnetism to inhale the function of inhaling the magnetism of component, can be more convenient, high-efficient and accurate press from both sides tight sample, avoid causing testing error because of the sample presss from both sides tight dynamics difference, improved efficiency of software testing simultaneously.
2. Sample clamping device, press from both sides tight pull rod and keep away from the one end of connecting piece and be equipped with the arch, through actuating mechanism's drive, can effectually carry out compressing tightly of sample clamp plate.
3. Sample clamping device, through setting up sample sealing washer and mesa sealing washer, and make through-hole, sample sealing washer and the coaxial arrangement of mesa sealing washer, sealed effect when can effectual assurance air permeability test.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to constitute a limitation on the invention.
Fig. 1 is a schematic diagram of a sample clamping device according to an embodiment of the present invention when the sample clamping device is not clamped.
Fig. 2 is a schematic view of the sample holding device according to an embodiment of the present invention during holding.
Wherein, 1, a beam; 2. a cylinder; 3. clamping the pull rod; 4. a connecting plate bracket; 5. a guide sleeve; 6. a test bed; 7. a table-board sealing ring; 8. a magnet; 9. a sample pressing plate; 10. testing the clamp; 11. sampling; 12. and (5) sealing a sample ring.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for the convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and may be fixedly connected, or may be integrally connected or detachably connected; may be directly connected or indirectly connected through an intermediate. The meaning of the above terms in the present invention can be determined according to specific situations by persons skilled in the art, and should not be construed as limiting the present invention.
In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.
Example (b):
as shown in fig. 1 and 2, the embodiment of the utility model provides a sample clamping device, including crossbeam 1, cylinder 2, press from both sides tight pull rod 3, even board support 4, uide bushing 5, test bench 6, mesa sealing washer 7, magnet 8, sample clamp plate 9, test fixture 10 and sample sealing washer 12, during the use, sample 11 presss from both sides in advance between sample clamp plate 9 and test fixture 10.
Through holes in opposite positions are respectively formed in the test fixture 10 and the sample pressing plate 9, a sample sealing ring 12 is arranged on the test fixture 10, the test fixture 10 is in contact connection with the table top through the table top sealing ring 7, and the test fixture 10 and the sample pressing plate 9 are mutually adsorbed.
In this embodiment, the cylinder 2 may also be a linear motion mechanism such as a motor, an electric cylinder, or a rack-and-pinion structure, and those skilled in the art may select the linear motion mechanism according to specific working conditions, which is not described herein again.
In the embodiment, the clamping pull rod 3 is of a T-shaped structure, and the upper part is protruded compared with the lower part, so that the sample pressing plate 9 is controlled to be pressed tightly through the air cylinder 2, and the hand clamping during manual operation is prevented; in other embodiments, only a single projection for pressing the sample pressure plate 9 may be provided.
The T-shaped structure of the clamping rod 3 described in this embodiment may be integrally formed, or may be a combination of two or more pieces, and those skilled in the art may select the T-shaped structure according to specific working conditions, which are not described herein again.
In the embodiment, the lower part of the clamping pull rod 3 is cylindrical, and the sample pressing plate 9 and the test fixture 10 are provided with arc structures matched with the clamping pull rod 3 so as to be convenient for accurate positioning in the test process; it is understood that in other embodiments, the clamping pull rod 3 may also be square or in other shapes, and the sample pressing plate 9 and the test fixture 10 have shapes matched with each other, as long as they can be matched with each other to realize the positioning function, and those skilled in the art can select them according to specific working conditions, and will not be described herein again.
In this embodiment, the sample pressing plate 9 and the test fixture 10 are further provided with grooves for an operator to take to prevent hand clamping; it can be understood that, in other embodiments, the sample pressing plate 9 and the test fixture 10 may further be provided with a protrusion or a handle, as long as the convenient taking can be realized and the function of clamping the hand is prevented, and those skilled in the art may select according to specific working conditions, and the details are not described here.
In this embodiment, the magnets 8 are symmetrically distributed on the sample pressing plate 9 and the test fixture 10, it can be understood that, in other embodiments, the sample pressing plate 9 and the test fixture 10 may be provided with grooves, and the magnets 8 are annularly placed in the grooves; or only the sample pressing plate 9 is distributed with magnets, and the test fixture 10 has magnetism; or the testing clamp 10 is distributed with magnets, and the sample pressing plate 9 has magnetism; or the test fixture 10 and the sample pressing plate 9 adopt materials with opposite magnetic attraction to realize the adsorption of the two; to the above scheme, as long as the mutual adsorption of the sample pressing plate 9 and the test fixture 10 can be realized, the sample is clamped tightly, and a person skilled in the art can select the sample according to specific working conditions, which is not described herein again.
In this embodiment, through holes are respectively formed in the sample pressing plate 9 and the test fixture 10, and the through holes are the same in aperture, and the through holes in the sample pressing plate 9 and the test fixture 10 are coaxially configured with the sample sealing ring 12 and the table-board sealing ring 7.
The clamping pull rods 3 at least comprise a first clamping pull rod and a second clamping pull rod, the first clamping pull rod and the second clamping pull rod are symmetrically arranged on two sides of the connecting plate support 4 along the axis of the through hole, it can be understood that in other embodiments, more symmetrically arranged clamping pull rods can be arranged, each clamping pull rod can be arranged around the sample pressing plate 9 and the test fixture 10, the cross beam 1 can be arranged into a corresponding plate at the moment, the technical personnel in the field can select according to specific working conditions, and the description is omitted here.
In operation, the sample 11 is placed at the center of the test fixture 10 to completely cover the sample sealing ring 12; then, the sample pressing plate 9 is placed on the sample 11, and the plurality of magnets 8 pre-fixed in the sample pressing plate 9 and the test fixture 10 respectively attract each other under the action of magnetic force, so that the sample 11 is clamped by the sample pressing plate 9 and the test fixture 10 under the action of magnetic force. The sample pressure plate 9 with the clamped sample 11 and the test fixture 10 are then placed with the side with the table seal 7 down on the test bed 6 and between the clamping rods 3.
As shown in fig. 2, compressed air with a certain pressure is introduced into the air cylinder 2, so that the piston on the air cylinder extends out, that is, the cross beam 1 drives the clamping pull rod 3 to move downwards, and the part with the larger diameter at the top end of the clamping pull rod 3 can compress the sample pressing plate 9, so that the sample 11 is sealed on the test bed 6 through the table-board sealing ring 7 and the sample sealing ring 12.
After the test is finished, compressed air with certain pressure is reversely introduced into the air cylinder 2, the piston on the air cylinder is retracted, and the cross beam 1 can drive the clamping pull rod 3 to move upwards to the state shown in the figure 1, so that the sample pressing plate 9 is released.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A sample clamping device is characterized in that:
the method comprises the following steps:
the device comprises a driving mechanism, a guide sleeve, a connecting plate bracket, a connecting piece, a clamping pull rod, a test fixture, a sample pressing plate and a test bed;
the connecting plate support is fixed at the bottom of the test bed, the guide sleeve is fixedly connected with the connecting plate support, and the clamping pull rod sequentially penetrates through the test bed, the connecting plate support and the guide sleeve and then is connected with the connecting piece;
the output end of the driving mechanism is fixedly connected with the connecting piece, one end of the driving mechanism, which is far away from the output end, is fixedly connected with the connecting plate bracket, and one end of the clamping pull rod, which is far away from the connecting piece, is provided with a bulge for pressing the sample pressing plate;
through holes with opposite positions are respectively arranged on the test fixture and the sample pressing plate, a sample sealing ring is arranged on the test fixture, the test fixture is in contact connection with the table top through the table top sealing ring, and the test fixture and the sample pressing plate are mutually adsorbed.
2. The sample holding device of claim 1, wherein:
the test fixture is provided with a first adsorption element, and the sample pressing plate is provided with a second adsorption element matched with the first adsorption element.
3. The sample holding device of claim 1, wherein:
a third adsorption element is arranged on the test fixture, and the sample pressing plate is made of a magnetic material which is adsorbed by matching with the third adsorption element;
or,
and a fourth adsorption element is arranged on the sample pressing plate, and the test fixture is made of a magnetic material which is matched with the fourth adsorption element for adsorption.
4. The sample holding device of claim 1, wherein:
the test fixture and the sample pressure plate both have magnetism, and the magnetism of the two is opposite.
5. The sample holding device of claim 1, wherein:
the driving mechanism is a motor, an electric cylinder or a gear rack structure.
6. The sample holding device of claim 1, wherein:
the through hole, the sample sealing ring and the table-board sealing ring are coaxially arranged.
7. The sample holding device of claim 1, wherein:
the clamping pull rods at least comprise a first clamping pull rod and a second clamping pull rod, and the first clamping pull rod and the second clamping pull rod are symmetrically arranged on two sides of the connecting plate support along the axis of the through hole.
8. The sample holding device of claim 1, wherein:
the clamping pull rod is a T-shaped rod piece and comprises a vertical rod and a cross rod used for pressing the sample pressing plate.
9. The sample holding device of claim 8, wherein:
the vertical rod is cylindrical, and the sample pressing plate and the test fixture are of arc structures matched with the clamping pull rod.
10. The sample holding device of claim 1, wherein:
the sample pressing plate and the test fixture are respectively provided with a groove for an operator to take;
or,
the sample pressing plate and the test fixture are respectively provided with a bulge or a handle for an operator to take.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220987064.5U CN217878796U (en) | 2022-04-26 | 2022-04-26 | Sample clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220987064.5U CN217878796U (en) | 2022-04-26 | 2022-04-26 | Sample clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217878796U true CN217878796U (en) | 2022-11-22 |
Family
ID=84088082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220987064.5U Active CN217878796U (en) | 2022-04-26 | 2022-04-26 | Sample clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217878796U (en) |
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2022
- 2022-04-26 CN CN202220987064.5U patent/CN217878796U/en active Active
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