CN211697267U

CN211697267U - High polymer material tensile property detection device

Info

Publication number: CN211697267U
Application number: CN202020365568.4U
Authority: CN
Inventors: 丁维莲
Original assignee: GANSU VOCATIONAL & TECHNICAL COLLEGE OF NONFERROUS METALLURGY
Current assignee: GANSU VOCATIONAL & TECHNICAL COLLEGE OF NONFERROUS METALLURGY
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2020-10-16
Anticipated expiration: 2030-03-21

Abstract

The utility model discloses a macromolecular material tensile properties detection device, including the bottom plate that is "L" type structure, bottom plate surface's both sides all are equipped with first splint, and the upper end of first splint all is equipped with second splint, and second splint upper end all is equipped with the rack, and the convex tooth face on the rack sets up relatively, is equipped with a gear between the rack, and the gear all is connected with rack toothing, all is connected through the connecting piece between second splint and the rack. The utility model discloses simple structure, behind rotatory hand wheel, can be automatic press from both sides tightly fixed to the article that awaits measuring to can be direct in rotatory in-process will await measuring the article and lengthen to both sides, thereby one step just can be direct know the tensile degree of the article that awaits measuring, great having made things convenient for the operation, need not to carry out the manual clamp and tightly press from both sides.

Description

High polymer material tensile property detection device

Technical Field

The utility model relates to a macromolecular material experimental facilities technical field, concretely relates to macromolecular material tensile properties detection device.

Background

The stretching property of the polymer material is one of the important properties, and determines the applicable range of the polymer material. The tensile properties of the polymer material include elongation at break, tensile strength, and change in elasticity when the polymer material is held in a stretched state for a long time. The existing device for testing the tensile property of the high polymer material has the following defects: the operation is not simple and convenient during clamping, generally the manual clamping is needed, and the two ends of the object to be tested are required to be clamped and fixed, so that the operation is complex and troublesome.

Disclosure of Invention

The utility model aims to solve the technical problem that a macromolecular material tensile properties detection device is provided to solve the problem of proposing in the above-mentioned background art.

The utility model discloses a realize through following technical scheme: a device for detecting the tensile property of a high polymer material comprises a bottom plate in an L-shaped structure, wherein first clamping plates are arranged on two sides of the surface of the bottom plate, sliding blocks are formed by outwards protruding the bottom surface of each first clamping plate, a sliding groove is formed in the surface of the bottom plate opposite to the sliding blocks, one end of each sliding block is slidably arranged in the corresponding sliding groove, a second clamping plate is arranged at the upper end of each first clamping plate, a strip-shaped opening is formed in the side plate of the side surface of the bottom plate opposite to the second clamping plate, more than one positioning rod is arranged in the second clamping plate opposite to the strip-shaped opening, one end of each positioning rod penetrates through the corresponding strip-shaped opening, racks are arranged at the upper ends of the second clamping plates, convex tooth surfaces on the racks are oppositely arranged, gears are arranged among the racks and are all meshed and connected with the racks, a fixing part is formed by outwards protruding the side of the bottom plate opposite, one end of the shaft lever penetrates through an inner hole of the gear and extends to the outside, a hand wheel is installed, one end of the shaft lever, which is located inside the gear, is welded and fixed with the gear, and the second clamping plate and the rack are connected through a connecting piece.

As preferred technical scheme, the position that the bar mouth is close to the second splint is equipped with the flexion of an arc structure, and the one end that the bar mouth is relative is highest, and the one end of keeping away from the second splint is lowest, and the equal horizontal parallel arrangement of highest one end and the one end that is the lowest.

As preferred technical scheme, all be equipped with anti-skidding line on the opposite face of first splint and second splint, the locating lever all is equipped with the screw thread on being located the outer wall of outside one end, and outside one serves and all overlaps and have the nut, and the nut all is connected with the threaded engagement on the locating lever.

As preferred technical scheme, all install the spring on the opposite terminal surface of slider, the spring other end all installs on the internal wall of spout.

As the preferred technical scheme, the side face of the bottom plate is provided with a screw hole communicated with the sliding groove right opposite to the sliding groove, and the screw hole is internally connected with a hand-screwed bolt in a threaded manner.

As the preferred technical scheme, the side face of the bottom plate, which is far away from the side plate, is provided with scales.

As the preferred technical scheme, the connecting piece includes upper boom and lower beam, and the upper boom all is installed on the bottom surface of rack, and the lower beam is all installed on the surface of second splint, all is equipped with a spacing groove on the upper boom perpendicularly, and the lower beam is just all installed the stopper to spacing groove department, and the equal slidable mounting of stopper one end is in the spacing groove.

The utility model has the advantages that: the utility model discloses simple structure, behind rotatory hand wheel, can be automatic press from both sides tightly fixedly to the article that awaits measuring to can be direct in rotatory in-process will await measuring the article and lengthen to both sides, thereby can be direct know the tensile degree of the article that awaits measuring, great make things convenient for the operation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional view taken at A-A of FIG. 1;

fig. 3 is a schematic view of the installation structure of the middle rack and the gear of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, 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 for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in FIG. 1, FIG. 2 and FIG. 3, the device for detecting tensile property of polymer material of the present invention comprises a bottom plate 10 having an L-shaped structure, wherein two sides of the surface of the bottom plate 10 are respectively provided with a first clamping plate 9, the bottom surface of the first clamping plate 9 is respectively provided with a sliding block 14 protruding outwards, the surface of the bottom plate 10 opposite to the sliding block 14 is respectively provided with a sliding groove 15, one end of the sliding block 14 is respectively slidably mounted in the sliding groove 15, the upper end of the first clamping plate 9 is respectively provided with a second clamping plate 1, the side plate of the side surface of the bottom plate 10 opposite to the second clamping plate 1 is provided with a bar-shaped opening 11, the second clamping plate 1 opposite to the bar-shaped opening 11 is provided with more than one positioning rod 17, one end of the positioning rod 17 is respectively arranged by passing through the bar-shaped opening 11, the upper end of the second clamping plate 1 is respectively provided with a tooth surface rack 5, the protruding teeth on the, the bottom plate 10 curb plate just forms a fixed part 19 to gear 4 department outside protrusion, and embedded bearing 20 of installing on the fixed part 19 installs axostylus axostyle 3 in the inner ring of bearing 20, and the hole that gear 4 was passed to axostylus axostyle 3 one end extends to the external world to install hand wheel 2, and axostylus axostyle 3 is located the inside one end of gear 4 and gear 4 welded fastening, all is connected through the connecting piece between second splint 1 and the rack 5.

In this embodiment, the bending portion 21 of an arc-shaped structure is arranged at the position, close to the second clamping plate 1, of the strip-shaped opening 11, the opposite end of the strip-shaped opening 11 is highest, the end, far away from the second clamping plate 1, is lowest, and the highest end and the lowest end are transversely arranged in parallel.

In this embodiment, all be equipped with anti-skidding line on the opposite face of first splint 1 and second splint 9, locating lever 17 all is equipped with the screw thread on being located the outer wall of outside one end, and outside one serves and all overlaps there is nut 18, nut 18 all is connected with the thread engagement on locating lever 17, the nut directly touches with the outer wall of curb plate, the locating lever is the setting of cylindrical structure, the locating lever through cylindrical structure makes the flexion that passes through the bar mouth that can follow.

In this embodiment, the opposite end surfaces of the slider 14 are both provided with the springs 13, and the other ends of the springs 13 are both mounted on the inner wall surface of the sliding groove 15, so that the second clamping plate can move inwards after being rotated counterclockwise, and the first clamping plate returns to the original position under the resilience of the springs.

In this embodiment, a screw hole communicating with the sliding slot 15 is formed in the side surface of the bottom plate 10 opposite to the sliding slot 15, and a hand-screwed bolt 12 is screwed in the screw hole.

In this embodiment, the bottom plate 10 is provided with a scale 22 on the side far from the side plate, which facilitates to know the stretching length.

In this embodiment, the connecting piece includes upper boom 23 and lower beam 8, and upper boom 23 all installs on the bottom surface of rack 5, and lower beam 8 all installs on second splint 1 on the surface, all is equipped with a spacing groove 6 on the upper boom 23 perpendicularly, and lower beam 8 all installs stopper 7 just to 6 departments of spacing groove, and the equal slidable mounting of stopper 7 one end is in spacing groove 6.

The sliding groove, the sliding block, the limiting groove and the limiting block are all arranged in a dovetail structure, the sliding block is prevented from sliding out of the sliding groove, and the limiting block is prevented from sliding out of the limiting groove.

When the device is used, two ends of an object to be detected are respectively arranged between the first clamping plate and the second clamping plate on two sides, after the device is used, the hand wheel is rotated clockwise, the rotation of the hand wheel drives the shaft rod, the rotation of the shaft rod drives the gear, the rotation of the gear can push the rack to enable the rack to move outwards, the movement of the rack drives the upper rod, the movement of the upper rod drives the lower rod, the movement of the lower rod drives the second clamping plate to enable the second clamping plate to move outwards along the strip-shaped opening, when the second clamping plate passes through the bending part of the strip-shaped opening, the positioning rod can move downwards along the bending part to enable the second clamping plate to extrude downwards along the limiting groove until the second clamping plate and the first clamping plate are clamped, so that two ends of the object to be detected are effectively clamped and fixed, after the hand wheel is continuously rotated, the first clamping plate can be directly pushed to move under the extrusion of the second clamping plate, and the object, and the stretching length can be clearly known through the scales, so that the stretching degree can be conveniently known.

After the hand-screwed bolt is rotated, one end of the hand-screwed bolt can enter the sliding groove, so that the sliding block abuts against the hand-screwed bolt, the stretching standard of the object to be tested is achieved, the object to be tested is not broken when stretched to the degree, the standard is met, and otherwise the standard is not met.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A macromolecular material tensile properties detection device which characterized in that: comprises a bottom plate (10) with an L-shaped structure, wherein two sides of the surface of the bottom plate (10) are respectively provided with a first clamping plate (9), the bottom surface of the first clamping plate (9) is outwards protruded to form a sliding block (14), the surface of the bottom plate (10) is provided with a sliding groove (15) right opposite to the sliding block (14), one end of the sliding block (14) is arranged in the sliding groove (15) in a sliding way, the upper end of the first clamping plate (9) is provided with a second clamping plate (1), the side plate of the side surface of the bottom plate (10) is provided with a strip-shaped opening (11) right opposite to the second clamping plate (1), the second clamping plate (1) is provided with more than one positioning rod (17) right opposite to the strip-shaped opening (11), one end of each positioning rod (17) passes through the strip-shaped opening (11), the upper end of the second clamping plate (1) is provided with a rack (5), the convex tooth surfaces on the racks (5, all be connected with rack (5) meshing in gear (4), bottom plate (10) curb plate is just to gear (4) department outside protrusion formation fixed part (19), embedded bearing (20) of installing on fixed part (19), install axostylus axostyle (3) in the inner ring of bearing (20), the hole that gear (4) were passed to axostylus axostyle (3) one end extends to the external world, and install hand wheel (2), axostylus axostyle (3) are located inside one end and gear (4) welded fastening of gear (4), all be connected through the connecting piece between second splint (1) and rack (5).

2. The device for detecting the tensile property of the polymer material according to claim 1, wherein: the bent portion (21) that the department was equipped with an arc structure is close to second splint (1) in bar mouth (11), and the one end that bar mouth (11) is relative is highest, and the one end of keeping away from second splint (1) is lowest, and the equal horizontal parallel arrangement of highest one end and the one end of the lowest.

3. The device for detecting the tensile property of the polymer material according to claim 1, wherein: all be equipped with anti-skidding line on the opposite face of first splint (9) and second splint (1), locating lever (17) all are equipped with the screw thread on being located the outer wall of outside one end, and all overlap on the outside one end and have nut (18), and nut (18) all are connected with the threaded engagement on locating lever (17).

4. The device for detecting the tensile property of the polymer material according to claim 1, wherein: the opposite end surfaces of the sliding blocks (14) are respectively provided with a spring (13), and the other end of each spring (13) is arranged on the inner wall surface of the sliding groove (15).

5. The device for detecting the tensile property of the polymer material according to claim 1, wherein: the side of the bottom plate (10) is provided with a screw hole communicated with the sliding groove (15) right opposite to the sliding groove (15), and the screw hole is internally connected with a hand-screwed bolt (12) in a threaded manner.

6. The device for detecting the tensile property of the polymer material according to claim 1, wherein: the side surface of the bottom plate (10) far away from the side plate is provided with scales (22).

7. The device for detecting the tensile property of the polymer material according to claim 1, wherein: the connecting piece includes upper boom (23) and lower beam (8), and upper boom (23) are all installed on the bottom surface of rack (5), and lower beam (8) are all installed on the surface of second splint (1), all are equipped with a spacing groove (6) on upper boom (23) perpendicularly, and lower beam (8) just locate all to install stopper (7) to spacing groove (6), and equal slidable mounting in spacing groove (6) of stopper (7) one end.