CN211697273U

CN211697273U - Liquid crystal display tensile testing machine

Info

Publication number: CN211697273U
Application number: CN202020272411.7U
Authority: CN
Inventors: 王海朝
Original assignee: Inner Mongolia Yite Aluminum Co Ltd
Current assignee: Inner Mongolia Yite Aluminum Co Ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-10-16
Anticipated expiration: 2030-03-09

Abstract

The utility model discloses a liquid crystal display tensile testing machine, which comprises a stand column for supporting, a fixed bearing platform fixed on the stand column, a movable bearing platform movably connected on the stand column, a hydraulic device arranged on the fixed bearing platform and positioned between the fixed bearing platform and the movable bearing platform, clamp components arranged on the fixed bearing platform and the movable bearing platform, a pressure sensor arranged on the movable bearing platform and connected with the hydraulic device, and a liquid crystal display arranged on the stand column and connected with the pressure sensor; the clamp assembly comprises an upper clamp assembly fixed on the movable bearing table and a lower clamp assembly fixed on the fixed bearing table, and the upper clamp assembly and the lower clamp assembly are in mirror symmetry. The utility model discloses a circular die and dull and stereotyped die that set up can be used to the test piece of columniform and peaceful plate-type, have realized the tensile test of multiple different shapes test piece, have improved the efficiency of different shapes test piece tensile test.

Description

Liquid crystal display tensile testing machine

Technical Field

The utility model relates to an aluminum alloy preparation field, concretely relates to liquid crystal display tensile testing machine.

Background

The aluminum and the alloy supported by the aluminum and other metal elements have incomparable advantages of other metal materials, light weight and high strength, and can be extruded and rolled into various sections or plates with complex sections. After the aluminum alloy finished products in various shapes are manufactured, the drawing part is required to be extracted to carry out tensile and compression resistance test detection to judge whether the requirements are met, when the tensile test is carried out, a tensile testing machine is required, when the tensile test is carried out, the tensile testing machine is required to clamp two ends of a tested piece, the test of tensile force bearing is carried out, due to the shape diversity of the tested piece, different clamps are required to clamp when the end is clamped, the existing tensile testing machine can only be basically suitable for the tested piece in one single shape, and much inconvenience is caused to the tensile test in various shapes.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the liquid crystal display tensile testing machine can be matched with the tests of aluminum alloy test pieces with different structural shapes, and the testing efficiency and the utilization rate of the wire drawing testing machine are improved.

In order to achieve the above object, the utility model adopts the following technical scheme:

a liquid crystal display tensile testing machine comprises an upright post for supporting, a fixed bearing platform fixed on the upright post, a movable bearing platform movably connected on the upright post, a hydraulic device arranged on the fixed bearing platform and positioned between the fixed bearing platform and the movable bearing platform, clamp assemblies arranged on the fixed bearing platform and the movable bearing platform, a pressure sensor arranged on the movable bearing platform and connected with the hydraulic device, and a liquid crystal display arranged on the upright post and connected with the pressure sensor; the clamp assembly comprises an upper clamp assembly fixed on the movable bearing table and a lower clamp assembly fixed on the fixed bearing table, and the upper clamp assembly and the lower clamp assembly are of mirror symmetry structures.

Furthermore, the lower clamp assembly comprises a fixed clamping block fixed on the fixed bearing table, a movable clamping block clamped on the fixed bearing table and capable of moving along the transverse direction of the fixed bearing table, a locking fixed block fixed on the fixed bearing table, and a jackscrew which is connected to the locking fixed block through threads and is used for jacking the movable clamping block; the device comprises a fixed clamping block, a movable clamping block and a plurality of positioning blocks, wherein the fixed clamping block and the movable clamping block are internally provided with circular dies for clamping cylindrical test pieces, flat dies for clamping flat test pieces and positioning blocks which are arranged in the fixed clamping block and the movable clamping block and matched with the circular dies; wherein, the locating piece can freely be taken out from the fixed clamping block and the movable clamping block.

Further, the jackscrew is provided with two.

Further, the head of the jackscrew is of a spherical structure.

Furthermore, the tail part of the jackscrew is provided with an end head convenient for rotating the jackscrew.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a circular die that sets up can be applicable to the test piece of cylinder shape, and the dull and stereotyped die that sets up is applicable in the test piece of dull and stereotyped shape, when needs are suitable for circular die, only need to insert the locating piece and can realize that the circular die is ejecting that the columniform presss from both sides tightly to realize the tensile test of columniform test piece, and when not needing circular die, take out the locating piece, push the clamp block with circular die in, press from both sides flat test piece through dull and stereotyped die, realize the test of the test piece of dull and stereotyped shape, the utility model discloses can realize the tensile test of multiple different shapes test piece, improve the efficiency of different test piece tensile tests.

(2) The two jackscrews of the utility model ensure the stability of the movable clamping blocks, improve the stability of the clamping of the tested piece, and simultaneously set the contact part of the head of the jackscrew and the movable block into the shape of a ball, thereby reducing the friction force of the jackscrew in the process of rotating and pressing the movable clamping blocks and achieving the effect of labor saving; the tail of the jackscrew is provided with the end head, so that the jackscrew can be conveniently clamped by labor-saving equipment (such as a wrench) and the jacking efficiency of the jackscrew is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the lower clamp assembly of the present invention.

Fig. 3 is a schematic structural view of the circular screw die of the present invention.

Wherein, the names corresponding to the reference numbers are:

1-upright column, 2-fixed bearing platform, 3-movable bearing platform, 4-hydraulic device, 6-pressure sensor, 7-liquid crystal display, 8-upper clamp component, 9-lower clamp component, 10-fixed clamp block, 11-movable clamp block, 12-locking fixed block, 13-jackscrew, 14-circular screw die, 15-flat screw die and 16-positioning block.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

As shown in FIGS. 1 to 3:

a liquid crystal display tensile testing machine comprises upright posts 1 used for supporting, wherein the number of the upright posts 1 is two, sliding grooves are formed in the upright posts, a fixed bearing platform 2 is fixed to the bottom of each upright post 1, and the fixed bearing platform 2 and the upright posts are welded and fixed together; the upper end position joint of stand 1 has movable bearing

platform

3, and 3 both ends joints of movable bearing platform can reciprocate along the spout of stand 1 in the spout on stand 1.

The both ends of fixed plummer 2 are equipped with hydraulic means 4, hydraulic means 4 can be hydraulic jack etc, can provide the equipment of strong lifting pressure, hydraulic means 4 can make activity plummer 3 reciprocate along the spout of stand, the bottom of activity plummer is provided with pressure sensor 6, pressure sensor 6 contacts with hydraulic means's top, a pressure for detecting that hydraulic means applyed, and be provided with LCD 7 for pressure sensor, LCD 7 is used for showing pressure sensor's real-time pressure value, LCD 7 mountable is in any position of conveniently watching, be connected with pressure sensor through the data line.

The movable bearing table 3 is provided with an upper clamp assembly 8, the fixed bearing table 2 is provided with a lower clamp assembly 9, the upper clamp assembly and the lower clamp assembly are arranged in mirror symmetry, and the upper clamp assembly and the lower clamp assembly respectively clamp two ends of a tested piece for tensile test.

Specifically, the lower clamp assembly 9 comprises a fixed clamping block 10 fixed on the fixed bearing platform 2, a movable clamping block 11 clamped on the fixed bearing platform 2, a locking fixed block 12 fixed on the fixed bearing platform 2, and a jackscrew 13 connected to the locking fixed block 12 through a thread and used for jacking the movable clamping block 11; the fixed clamping blocks 10 and the locking fixed blocks 12 can be connected with the fixed bearing platform 2 in a fixed mode such as welding, a sliding groove is formed in the fixed bearing platform, the movable clamping blocks 11 are connected in the sliding groove in a clamped mode, the movable clamping blocks can move along the sliding groove in the sliding groove, and the movable clamping blocks cannot be directly taken out vertically. Circular dies 14 for clamping cylindrical test pieces, flat dies 15 for clamping flat test pieces and positioning blocks 16 which are arranged in the fixed clamping blocks 10 and the movable clamping blocks 11 and matched with the circular dies 14 are arranged in the fixed clamping blocks 10 and the movable clamping blocks 11; the positioning block 16 can be freely taken out from the fixed clamping block 10 and the movable clamping block 11, the section of the circular screw die 14 is of an oval structure and used for clamping a cylindrical tested piece, a clamping cavity is arranged in the fixed clamping block 10, the circular screw die is clamped in the clamping cavity and is provided with a positioning block, the positioning block 16 is also positioned in the clamping cavity, when the positioning block 16 is matched with the circular screw die for use, the positioning block 16 ejects the circular screw die, the tensile test detection on the cylindrical tested piece can be realized, when the flat-plate tested piece needs to be clamped, the positioning block is pulled out, the circular screw die is completely pushed into the clamping cavity, and the flat-plate tested piece is clamped by the flat-plate screw die.

In order to ensure the stability of the jackscrew when the movable clamping block is tightly jacked, the two jackscrews 13 are arranged, labor is saved, the friction resistance is reduced, the head of the jackscrew 13 is arranged into a spherical structure, and the tail of the jackscrew is provided with an end which is convenient for external equipment to be clamped and connected with the jackscrew in a labor-saving way.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims

1. The utility model provides a liquid crystal display tensile testing machine which characterized in that: the device comprises a stand column (1) for supporting, a fixed bearing platform (2) fixed on the stand column (1), a movable bearing platform (3) movably connected on the stand column (1), a hydraulic device (4) arranged on the fixed bearing platform (2) and positioned between the fixed bearing platform (2) and the movable bearing platform (3), clamp assemblies arranged on the fixed bearing platform (2) and the movable bearing platform (3), a pressure sensor (6) arranged on the movable bearing platform (3) and connected with the hydraulic device (4), and a liquid crystal display (7) arranged on the stand column (1) and connected with the pressure sensor (6); the clamp assembly comprises an upper clamp assembly (8) fixed on the movable bearing table (3) and a lower clamp assembly (9) fixed on the fixed bearing table (2), and the upper clamp assembly (8) and the lower clamp assembly (9) are of mirror symmetry structures.

2. The liquid crystal display tensile testing machine according to claim 1, wherein: the lower clamp assembly (9) comprises a fixed clamping block (10) fixed on the fixed bearing platform (2), a movable clamping block (11) clamped on the fixed bearing platform (2) and capable of moving along the transverse direction of the fixed bearing platform (2), a locking fixed block (12) fixed on the fixed bearing platform (2), and a jacking screw (13) which is connected to the locking fixed block (12) through a thread and is used for jacking the movable clamping block (11); the device comprises a fixed clamping block (10), a movable clamping block (11), a positioning block (16) and a clamping block (10), wherein circular dies (14) used for clamping cylindrical test pieces, flat dies (15) used for clamping flat test pieces and positioning blocks (16) which are arranged in the fixed clamping block (10) and the movable clamping block (11) and matched with the circular dies (14) are arranged in the fixed clamping block and the movable clamping block; wherein the positioning block (16) can be freely taken out from the fixed clamping block (10) and the movable clamping block (11).

3. The liquid crystal display tensile testing machine according to claim 2, wherein: the number of the jackscrews (13) is two.

4. The liquid crystal display tensile testing machine of claim 3, wherein: the head of the jackscrew (13) is in a spherical structure.

5. The liquid crystal display tensile testing machine of claim 4, wherein: the tail of the jackscrew (13) is provided with an end head convenient for rotating the jackscrew (13).