CN210347320U

CN210347320U - Tensile testing machine for rubber products

Info

Publication number: CN210347320U
Application number: CN201921205138.XU
Authority: CN
Inventors: 冯振忠
Original assignee: Hebei Xinxu Longteng Machinery Equipment Co Ltd
Current assignee: Hebei Xinxu Longteng Machinery Equipment Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-04-17
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a tensile testing machine that rubber product was used, including unable adjustment base, unable adjustment base's upper end fixed mounting has first fixed block, and the inboard pivot in first rotation groove is connected with first clamp splice, and unable adjustment base's surface is provided with the locating plate, and the upper surface threaded connection of locating plate has the location pivot, and the sliding surface of slide bar is connected with the second fixed block, and the inboard pivot in second rotation groove is connected with the second clamp splice. This tensile testing machine that rubber product was used, put the rubber product in first fixed block and second fixed block, then rotate the location turning handle, make the location turning handle extrude first clamp splice downwards and rotate along first rotation groove upwards through the protruding rubber product of fixing with the location on first fixed block and first clamp splice surface, and the inboard rubber product of second fixed block drives the second clamp splice through the effort of pulling force line and rotates the location arch through second clamp splice and second fixed block surface along the second rotation groove and fix a position the product.

Description

Tensile testing machine for rubber products

Technical Field

The utility model relates to a rubber product test technical field specifically is a tensile testing machine that rubber product was used.

Background

The wire harness mainly comprises a lead, a terminal, a connector, a sheath and the like, the automobile wire harness is a network main body of an automobile circuit and is a bridge and a link for working of electric elements of the automobile, the electric appliance of the whole automobile needs to work normally and stably, the wire harness is closely related to the laying condition of the wire harness on the automobile besides the self quality of each electric element, the wire harness is waterproof, the sealing performance and the waterproof performance of a plastic plug-in electric device in the wire harness are generally tested, the quality and the precision of a product are improved, the performance index of the automobile wire harness is improved, the requirement of a sealing experiment stage of assembling the automobile wire harness and the whole automobile is met, and an angle tension testing machine for a commonly used rubber product at present has high cost and a complex; therefore, it is necessary to provide an angle tension tester for rubber products, which has the advantages of simple design, compact structure, convenient use, low cost, convenient observation, beautiful appearance and good stability.

The existing rubber tensile testing machine is very inconvenient to fix a rubber product, and the rubber product is easy to fall off in the testing process; and the rolling disc lacks corresponding location when current coiling disc formula tensile testing machine is experimental, needs a hand to press the turning handle and prevents the rolling disc gyration in tensile testing, then observation result takes notes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tensile testing machine that rubber product was used to solve the inconvenient fixed problem of rubber product.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tensile testing machine that rubber product was used, includes unable adjustment base, unable adjustment base's upper end fixed mounting has first fixed block, the surface of first fixed block is provided with first rotating groove, the inboard pivot in first rotating groove is connected with first clamp splice, unable adjustment base's surface is provided with the locating plate, the last surface threaded connection of locating plate has the location pivot, the lower extreme butt joint of location pivot has first clamp splice, the surperficial symmetrical welding of first fixed block has the slide bar, the sliding surface of slide bar is connected with the second fixed block, the surface of second fixed block is provided with the second and rotates the groove, the inboard pivot in second rotation groove is connected with the second clamp splice.

Preferably, the surfaces of the first clamping block and the second clamping block are provided with positioning bulges, and the surfaces of the first fixing block and the second fixing block are provided with positioning bulges.

Preferably, unable adjustment base's surface is provided with the mounting panel, and the surperficial pivot of mounting panel is connected with the wind-up roll, and the surface of wind-up roll is provided with the turning handle, and the surface of wind-up roll is provided with spacing tooth's socket, and the surface winding of wind-up roll has the pull line, and the surface of pull line is connected with the dynamometer, and the one end of pull line is connected with the second clamp splice.

Preferably, the surface of mounting panel is provided with the installation piece, and the inboard sliding connection of installation piece has the locating pin, and the one end of locating pin is pegged graft in the inboard of spacing tooth's socket, is connected with the spring between the one end of locating pin and the installation piece.

Preferably, a surface of the fixed base is provided with a scale.

Compared with the prior art, the beneficial effects of the utility model are that: the tensile testing machine for the rubber products comprises a first tensile testing machine, a second tensile testing machine, a third tensile testing machine and a fourth tensile testing machine, wherein the first tensile testing machine is used for placing the rubber products on the inner sides of a first fixing block and a second fixing block during testing, then a positioning rotating handle is rotated to enable the positioning rotating handle to downwards extrude a first clamping block, the first clamping block is enabled to upwards rotate along a first rotating groove and fix the rubber products through positioning bulges on the surfaces of the first fixing block and the first clamping block, and the rubber products on the inner side of the second fixing block drive the second clamping block to rotate along a second rotating groove through the acting force of a tensile line and position the products through positioning bulges on the surfaces of the second clamping block and the second fixing block; and secondly, the winding roller is rotated anticlockwise through the rotating handle to drive a second clamping block to tighten the rubber product by utilizing a tension line, then the second fixing block is enabled to move along the sliding rod to perform tension test, and when recording is required, a loose rotating handle positioning pin can be inserted into the inner side of a limiting tooth socket to position the winding roller, so that the elastic force of the rubber product is prevented from enabling the winding roller to rotate, and recording is influenced.

Drawings

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

FIG. 2 is a sectional view of the overall structure of the present invention;

fig. 3 is a schematic view of a second fixing block of the present invention;

fig. 4 is an enlarged view of a portion in fig. 1 according to the present invention.

In the figure: the device comprises a fixed base 1, a positioning plate 2, a positioning rotating shaft 21, a first fixed block 3, a first clamping block 31, a sliding rod 32, a first rotating groove 33, a second fixed block 4, a positioning bulge 41, a second clamping block 42, a second rotating groove 43, a dynamometer 5, a mounting plate 6, a wind-up roller 61, a limiting tooth groove 62, a rotating handle 63, a mounting block 64, a positioning pin 65, a spring 66, a tension line 67 and a scale 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 work belong to the protection scope of the present invention.

Referring to fig. 1, 2 and 3, a tensile testing machine for rubber products comprises a fixed base 1, a first fixed block 3 is fixedly installed at the upper end of the fixed base 1, a first rotating groove 33 is formed in the surface of the first fixed block 3, a first clamping block 31 is connected to a rotating shaft inside the first rotating groove 33, a positioning plate 2 is arranged on the surface of the fixed base 1, a positioning rotating shaft 21 is connected to the upper surface of the positioning plate 2 in a threaded manner, a first clamping block 31 abuts against the lower end of the positioning rotating shaft 21, the positioning rotating shaft 21 rotates downwards along the positioning plate 2 to abut against the first clamping block 31, so that the other end of the first clamping block 31 rotates along the first rotating groove 33 and abuts against the rubber products inside the first fixed block 3 upwards to position the rubber products, sliding rods 32 are symmetrically welded on the surface of the first fixed

block

3, 3 sliding rods 32 are arranged on the surface of the first fixed block 3, and a second fixed block 4 is connected to the surface of, 4 surface correspondences of second fixed block are provided with 3 preformed holes, the inboard sliding connection in preformed hole has slide bar 32, such setting up can follow slide bar 32 and steadily slide when making 4 atresss of second fixed block, the surface of second fixed block 4 is provided with second rotation groove 43, the inboard pivot that second rotation groove 43 is connected with second clamp splice 42, second clamp splice 42 upper end atress drives second clamp splice 42 and rotates the other end that passes through second clamp splice 42 along second rotation groove 43 and upwards the butt with the rubber product and fix a position, the upper end of second clamp splice 42 is provided with the preformed hole, it has pulling force line 47 to concatenate in the preformed hole.

Referring to fig. 2, the surfaces of the first clamping block 31 and the second clamping block 42 are provided with positioning protrusions 41, the surfaces of the first fixing block 3 and the second fixing block 4 are provided with positioning protrusions 41, and the positioning protrusions 41 are used to inwardly tighten and extrude a rubber product to position the rubber product.

Referring to fig. 1, a mounting plate 6 is disposed on the surface of a fixing base 1, a winding roller 61 is connected to the surface of the mounting plate 6 through a rotating shaft, a rotating handle 63 is disposed on the surface of the winding roller 61, the winding roller 61 is rotated through the rotating handle 63, the limiting tooth grooves 62 are arranged on the surface of the winding roller 61, the limiting tooth grooves 62 are arranged on one circle of the winding roller 61, the tension wire 67 is wound on the surface of the winding roller 61, the dynamometer 5 is connected to the surface of the tension wire 67, the tension force applied to the rubber product is displayed by the dynamometer 5, one end of the tension line 67 is connected with the second clamping block 42, the rotating handle 63 is rotated to drive the winding roller 61 to wind the tension line 67, the second clamping block 42 is rotated along the second rotating groove 43 through the tension line 67 to rotate and upwards clamp the rubber product through the second clamping block 42 and the positioning protrusion 41 on the surface of the second fixing block 4, and then the second fixing block 4 drives the rubber product along the sliding rod 32 to perform tension test.

Referring to fig. 4, a mounting block 64 is arranged on the surface of the mounting plate 6, a positioning pin 65 is slidably connected to the inner side of the mounting block 64, one end of the positioning pin 65 is inserted into the inner side of the limiting tooth groove 62, a spring 66 is connected between one end of the positioning pin 65 and the mounting block 64, a bevel is arranged at one end of the positioning pin 65, a spring 66 is arranged between the bevel and the mounting block 64, and the positioning pin 65 is driven by the elastic force of the spring 66 to be inserted upwards into the inner side of the limiting tooth groove 62 along the mounting block 64 to position the winding roller 61.

Referring to fig. 1, a scale 7 is disposed on a surface of the fixing base 1, and the stretched length of the rubber product under different tensile forces is observed through the scale 7.

The utility model discloses when concrete implementation: during testing, a rubber product is placed on the inner sides of the first fixing block 3 and the second fixing block 4, then the positioning rotating handle 21 is rotated, because the lower end of the positioning rotating handle 21 is abutted with the first clamping block 31, the first clamping block 31 is rotatably installed on the inner side of the first rotating groove 33, the positioning rotating handle 21 downwardly extrudes the first clamping block 31, the other end of the first clamping block 31 is enabled to be upward along the first rotating groove 33, because the positioning protrusions 41 are arranged on the surfaces of the first clamping block 31 and the second clamping block 42, the positioning protrusions 41 are arranged on the surfaces of the first fixing block 3 and the second fixing block 4, when the first clamping block 31 is upward, the rubber product can be fixed through the positioning protrusions 41 on the surfaces of the first fixing block 3 and the first clamping block 31, and the rubber product on the inner side of the second fixing block 4 drives the second clamping block 42 to rotate along the second rotating groove 43 through the acting force of the tension line 67, so that one end of the second clamping block 42 is enabled to be upward, then, positioning the product through the second clamping block 42 and the positioning bulge 41 on the surface of the second fixing block 4; during the use, fix the one end of rubber product in the inboard of first fixed block 3, then anticlockwise rotation turning handle 63 makes wind-up roll 61 rotate rolling tension line 67, utilize tension line 67 to drive second clamp splice 4 and tighten up the rubber product, then make second fixed block 4 remove along slide bar 32 and carry out the tensile test, when needs take notes, because be provided with spring 66 between locating pin 65 and the installation piece 64, can promote locating pin 65 along the inboard of installing piece 64 upwards pegging graft spacing tooth's socket 62 through the elasticity of spring 66, peg graft at spacing tooth's socket 62 inboard through locating pin 65 and fix a position wind-up roll 61, with this elasticity that prevents the rubber product makes wind-up roll 61 gyration, just so can carry out data record in order to loosen turning handle 63.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tensile testing machine that rubber product was used, includes unable adjustment base (1), its characterized in that: the upper end fixed mounting of unable adjustment base (1) has first fixed block (3), the surface of first fixed block (3) is provided with first rotating groove (33), the inboard pivot of first rotating groove (33) is connected with first clamp splice (31), the surface of unable adjustment base (1) is provided with locating plate (2), the last surface threaded connection of locating plate (2) has location pivot (21), the lower extreme butt joint of location pivot (21) has first clamp splice (31), the surface symmetry welding of first fixed block (3) has slide bar (32), the sliding surface of slide bar (32) is connected with second fixed block (4), the surface of second fixed block (4) is provided with second rotation groove (43), the inboard pivot that the second rotated groove (43) is connected with second clamp splice (42).

2. The tensile testing machine for rubber products according to claim 1, wherein: positioning bulges (41) are arranged on the surfaces of the first clamping block (31) and the second clamping block (42), and the positioning bulges (41) are arranged on the surfaces of the first fixing block (3) and the second fixing block (4).

3. The tensile testing machine for rubber products according to claim 1, wherein: the surface of unable adjustment base (1) is provided with mounting panel (6), and the surperficial pivot of mounting panel (6) is connected with wind-up roll (61), and the surface of wind-up roll (61) is provided with turning handle (63), and the surface of wind-up roll (61) is provided with spacing tooth's socket (62), and the surface winding of wind-up roll (61) has pull line (67), and the surface of pull line (67) is connected with dynamometer (5), and the one end of pull line (67) is connected with second clamp splice (42).

4. A tensile testing machine for rubber products according to claim 3, characterized in that: the surface of the mounting plate (6) is provided with a mounting block (64), the inner side of the mounting block (64) is connected with a positioning pin (65) in a sliding mode, one end of the positioning pin (65) is inserted into the inner side of the limiting tooth groove (62), and a spring (66) is connected between one end of the positioning pin (65) and the mounting block (64).

5. The tensile testing machine for rubber products according to claim 1, wherein: and a scale (7) is arranged on the surface of the fixed base (1).