CN216349991U

CN216349991U - High polymer material tensile property testing device

Info

Publication number: CN216349991U
Application number: CN202122494182.0U
Authority: CN
Inventors: 陈飞
Original assignee: Guangdong Pilot New Material Co ltd
Current assignee: Guangdong Pilot New Material Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-19
Anticipated expiration: 2031-10-15

Abstract

The utility model provides a device for testing the tensile property of a high polymer material, which comprises: the clamping block is positioned at the upper end of the testing device body, a lower hook is fixed at the lower end of the clamping block, and the lower hook is fixed with the testing device body through the operating table board; the driving structure is positioned at the upper end of the testing device body and consists of a screw rod and a variable speed motor; the fixed plate is positioned between the driving structures, and an upper hook is fixed on the surface of the lower end of the fixed plate; the limiting plate is located at the upper end of the fixing plate, the side face of the limiting plate is connected with the connecting plate body, and the upper end of the connecting plate body is provided with the sliding block. The utility model solves the problems that the strength is difficult to control in the stretching process due to the fact that the manual stretching is usually carried out by clamping a tool in the stretching detection of the high polymer material, so that the accuracy of test data is influenced, and the automatic stretching detection of the high polymer material cannot be carried out.

Description

High polymer material tensile property testing device

Technical Field

The utility model relates to the field of tensile property testing devices, in particular to a device for testing the tensile property of a high polymer material.

Background

The high polymer material is also called as a polymer material, and is a material formed by taking a high polymer compound as a matrix and then being matched with other additives, the tensile property of the high polymer material is one of the most important and basic properties of the mechanical properties of the high polymer material, and the tensile property of the high polymer material determines the use occasions of the plastic and the rubber to a great extent.

SUMMERY OF THE UTILITY MODEL

For overcoming the defect that prior art exists, provide a macromolecular material tensile properties testing arrangement now to solve and carry out artifical tensile at macromolecular material tensile detection commonly uses the instrument centre gripping, lead to tensile in-process dynamics not easily controlled, thereby influence the precision of the data of test, can't carry out the problem that automatic tensile detected to macromolecular material.

In order to achieve the above object, a device for testing tensile properties of polymer materials is provided, which comprises:

the clamping block is positioned at the upper end of the testing device body, a lower hook is fixed at the lower end of the clamping block, and the lower hook is fixed with the testing device body through the operating table board;

the driving structure is positioned at the upper end of the testing device body and consists of a screw rod and a variable speed motor;

the fixed plate is positioned between the driving structures, and an upper hook is fixed on the surface of the lower end of the fixed plate;

the limiting plate is located at the upper end of the fixing plate, the side face of the limiting plate is connected with the connecting plate body, and the upper end of the connecting plate body is provided with the sliding block.

Furthermore, a variable speed motor is fixed inside the testing device body, the upper end of the variable speed motor is connected with a screw rod, and the upper end of the screw rod is fixed with the testing device body through a bearing.

Further, the side face of the clamping block is connected with a telescopic column, the telescopic column is fixed with the operating table board through a support column, a tension detector is installed on the left side of the clamping block, and a control panel is arranged on the surface of the testing device body.

Furthermore, the upper end of the tension detector is connected with an induction lifting ring, the induction lifting ring is fixed at the lower end of the fixed plate, and sliding blocks are fixed on the left side and the right side of the fixed plate; and the sliding block is positioned on the surface of the screw rod.

Further, the slider is connected with the testing device body through a slide rail, the limiting plate side is fixed with the fixed column, the connecting plate body side is fixed with the fixed block, the inside spacing groove that is provided with of fixed plate.

Furthermore, a compression spring is arranged inside the fixed block; and compression spring is connected with the fixed column, the upper and lower ends of the fixed column are fixed with limiting rods, and the tail ends of the limiting rods are connected with mounting blocks.

The device for testing the tensile property of the high polymer material has the advantages that the high polymer material is fixed by the upper hook and the lower hook, the high polymer material is tightly clamped by the clamping block to avoid falling off, the lower hook on the lower surface of the fixing plate is driven by the driving structure to move upwards to stretch the fixed high polymer material, the tensile force detector is connected with the fixing plate through the induction hanging ring to detect tensile force data, the tensile property of the high polymer material can be controlled and automatically tested, the limiting plate limits the high polymer material through the compression spring, the phenomenon that the high polymer material deviates or is twisted off in the stretching process is prevented, the accuracy of the test data of the device for testing the tensile property of the high polymer material is improved, and the problem that the automatic tensile detection of the high polymer material cannot be carried out is solved.

Drawings

Fig. 1 is a schematic front view of a tensile property testing apparatus for polymer materials according to an embodiment of the present invention.

Fig. 2 is a schematic front sectional view of a device for testing tensile properties of a polymer material according to an embodiment of the present invention.

Fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 2 according to an embodiment of the present invention.

Fig. 4 is a schematic top view of a fixing plate according to an embodiment of the utility model.

1. A testing device body; 2. a tension detector; 3. a clamping block; 31. a telescopic column; 32. a support pillar; 4. connecting the plate bodies; 41. a slide rail; 42. a slider; 5. a drive structure; 51. a bearing; 52. a screw rod; 53. a slider; 54. a variable speed motor; 6. a fixing plate; 61. an upper hook; 62. an induction lifting ring; 63. A limiting groove; 7. a limiting plate; 71. a limiting rod; 72. a fixed block; 73. fixing a column; 74. a compression spring; 75. mounting blocks; 8. a lower hook; 81. an operation table top; 9. a control panel.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Fig. 1 is a schematic front view structure diagram of a polymer material tensile property testing apparatus according to an embodiment of the present invention, fig. 2 is a schematic front view cross-sectional structure diagram of a polymer material tensile property testing apparatus according to an embodiment of the present invention, fig. 3 is an enlarged schematic structural diagram of a position a in fig. 2 according to an embodiment of the present invention, and fig. 4 is a schematic top view structural diagram of a fixing plate according to an embodiment of the present invention.

Referring to fig. 1 to 4, the present invention provides a device for testing tensile properties of a polymer material, including: clamping block 3, drive structure 5, fixed plate 6 and limiting plate 7.

The clamping block 3 is located at the upper end of the testing device body 1, a lower hook 8 is fixed at the lower end of the clamping block 3, and the lower hook 8 is fixed with the testing device body 1 through an operation table board 81.

And the driving structure 5 is positioned at the upper end of the testing device body 1, and the driving structure 5 consists of a screw rod 52 and a variable speed motor 54.

And a fixing plate 6 positioned between the driving structures 5, wherein an upper hook 61 is fixed on the lower end surface of the fixing plate 6.

The limiting plate 7 is located at the upper end of the fixing plate 6, the side face of the limiting plate 7 is connected with the connecting plate body 4, and the upper end of the connecting plate body 4 is provided with the sliding block 42.

The stretching of macromolecular material detects and uses the instrument centre gripping to carry out artifical tensile usually, leads to tensile in-process dynamics not easily controlled to influence the precision of the data of test, can't carry out the problem that automatic stretching detected to macromolecular material. Therefore, the high polymer material tensile property testing device fixes the high polymer material by utilizing the upper hook and the lower hook, tightly clamps the high polymer material through the clamping block to avoid falling off, the driving structure drives the lower hook on the lower surface of the fixing plate to move upwards to stretch the fixed high polymer material, the tensile force detector is connected with the fixing plate through the induction hanging ring to detect tensile force data, controllable and automatic testing of the tensile property of the high polymer material is realized, the limiting plate limits the high polymer material through the compression spring to prevent the high polymer material from being deviated or twisted off in the stretching process, the accuracy of the test data of the high polymer material tensile property testing device is improved, and the problem that automatic stretching detection cannot be carried out on the high polymer material is solved.

A variable speed motor 54 is fixed inside the testing device body 1, the upper end of the variable speed motor 54 is connected with a screw rod 52, and the upper end of the screw rod 52 is fixed with the testing device body 1 through a bearing 51.

The two sets of variable speed motors 54 control the screw rods 52 on both sides of the fixing plate 6 to rotate, so as to move the sliding blocks 53 on the surface of the screw rods 52 up and down, and the fixing plate 6 is driven to automatically stretch the fixed polymer material by the movement of the sliding blocks 53.

The side of the clamping block 3 is connected with a telescopic column 31, the telescopic column 31 is fixed with an operation table board 81 through a support column 32, the left side of the clamping block 3 is provided with a tension detector 2, and the surface of the testing device body 1 is provided with a control panel 9.

The clamping blocks 3 are arranged in two groups and are symmetrically distributed, cylindrical bulges and cylindrical grooves are arranged on the inner sides of the clamping blocks 3, the bulges and the grooves of the two groups of clamping blocks 3 are matched with each other, so that the clamping of the high polymer materials on the inner sides is facilitated, and the high polymer materials are prevented from being separated and loosened to influence the test result. The control panel 9 is used to control the speed of the drive structure 5.

The upper end of the tension detector 2 is connected with an induction lifting ring 62, the induction lifting ring 62 is fixed at the lower end of the fixed plate 6, and sliding blocks 53 are fixed on the left side and the right side of the fixed plate 6; and the slide block 53 is positioned on the surface of the screw 52.

The induction lifting ring 62 is internally provided with a tension sensor which is connected with the tension detector 2. The tension detector 2 is used for detecting the tension applied to the induction hanging ring 62 moving upwards along with the fixed plate 6 so as to detect the tension of the high polymer material.

The slider 42 is connected with the testing device body 1 through the slide rail 41, the side face of the limiting plate 7 is fixed with a fixing column 73, the side face of the connecting plate body 4 is fixed with a fixing block 72, and the inside of the fixing plate 6 is provided with a limiting groove 63.

The lower end of the connecting plate body 4 is fixed at the upper end of the clamping block 3, so that the connecting plate body 4 can be conveniently driven to move 1 through the movement of the clamping block 3, and the connecting plate body is convenient to adapt to high polymer materials with different thicknesses. Limiting groove 63 passes limiting plate 7 when being convenient for fixed plate 6 to move up, and fixed plate 6 upper end is provided with the bar arch, is convenient for extrude when fixed plate 6 shifts up and opens limiting plate 7, makes limiting plate 7 get into in the limiting groove 63.

A compression spring 74 is arranged inside the fixed block 72; and compression spring 74 is connected with fixed column 73, and fixed column 73 upper and lower end is fixed with gag lever post 71, and gag lever post 71 end-to-end connection has installation piece 75.

Limiting plate 7 passes through compression spring 74 and presses on the macromolecular material surface, and limiting rod 71 through connection plate body 4 plays the effect of support to limiting plate 7, and limiting plate 7 of being convenient for carries on spacingly to the macromolecular material, avoids the macromolecular material to take place the skew or by the twist-off at tensile in-process, improves the precision of macromolecular material tensile test data.

The device for testing the tensile property of the high polymer material can effectively solve the problem that the high polymer material cannot be automatically stretched and detected, prevent the high polymer material from being deviated or twisted off in the stretching process, improve the accuracy of test data of the device for testing the tensile property of the high polymer material, and is suitable for the device for testing the tensile property of the high polymer material.

Claims

1. A high molecular material tensile property testing device is characterized by comprising:

the clamping block (3) is positioned at the upper end of the testing device body (1), a lower hook (8) is fixed at the lower end of the clamping block (3), and the lower hook (8) is fixed with the testing device body (1) through an operation table top (81);

the driving structure (5) is positioned at the upper end of the testing device body (1), and the driving structure (5) consists of a screw rod (52) and a variable speed motor (54);

the fixing plate (6) is positioned between the driving structures (5), and an upper hook (61) is fixed on the surface of the lower end of the fixing plate (6);

the limiting plate (7) is located the upper end of the fixing plate (6), the side face of the limiting plate (7) is connected with the connecting plate body (4), and the upper end of the connecting plate body (4) is provided with the sliding block (42).

2. The device for testing the tensile property of the high polymer material according to claim 1, wherein a variable speed motor (54) is fixed inside the testing device body (1), the upper end of the variable speed motor (54) is connected with a screw rod (52), and the upper end of the screw rod (52) is fixed with the testing device body (1) through a bearing (51).

3. The device for testing the tensile property of the high polymer material according to claim 1, wherein a telescopic column (31) is connected to the side surface of the clamping block (3), the telescopic column (31) is fixed to an operation table top (81) through a support column (32), a tension detector (2) is installed on the left side of the clamping block (3), and a control panel (9) is arranged on the surface of the testing device body (1).

4. The device for testing the tensile property of the high polymer material according to claim 3, wherein an induction lifting ring (62) is connected to the upper end of the tension detector (2), the induction lifting ring (62) is fixed to the lower end of the fixed plate (6), and sliding blocks (53) are fixed to the left side and the right side of the fixed plate (6); and the sliding block (53) is positioned on the surface of the screw rod (52).

5. The device for testing the tensile property of the high polymer material according to claim 1, wherein the sliding block (42) is connected with the testing device body (1) through a sliding rail (41), a fixing column (73) is fixed on the side surface of the limiting plate (7), a fixing block (72) is fixed on the side surface of the connecting plate body (4), and a limiting groove (63) is arranged inside the fixing plate (6).

6. The device for testing the tensile property of the high polymer material according to claim 5, wherein a compression spring (74) is arranged inside the fixed block (72); and the compression spring (74) is connected with the fixed column (73), a limiting rod (71) is fixed at the upper end and the lower end of the fixed column (73), and the tail end of the limiting rod (71) is connected with an installation block (75).