CN219552073U - Adhesive tape tensile strength measuring mechanism - Google Patents

Abstract

The utility model discloses a rubber strip tensile strength measuring mechanism which comprises a workbench, wherein an L-shaped fixing frame is fixed at the top of the workbench, a lifting mechanism is arranged at the top of the L-shaped fixing frame, a spring dynamometer is arranged at the bottom of the lifting mechanism, clamping mechanisms are fixed at the bottom of the spring dynamometer and the top of the workbench, and the lifting plate can be enabled to move upwards in a non-rotating mode by rotating a second handle, so that the spring dynamometer can be pulled to move upwards in a non-rotating mode, then the clamping mechanisms are matched, the tensile strength of a rubber strip is detected, friction force does not exist in the detection process, and therefore the detection accuracy is guaranteed.

Description

Adhesive tape tensile strength measuring mechanism

Technical Field

The utility model relates to the technical field of adhesive tape stretching detection, in particular to an adhesive tape stretching strength measuring mechanism.

Background

The adhesive tape is a strip-shaped colloid used for bonding, repairing or pulping a tire and a tread, and needs to be subjected to spot check after the processing is finished to ensure the product quality of the adhesive tape, wherein the tensile strength of the adhesive tape is an important item, and an adhesive tape tensile strength measuring mechanism is needed to be used for detecting the tensile strength of the adhesive tape.

For example, the tensile strength detection device for a sealing strip with the authorized publication number of CN210136128U can detect the tensile strength of the adhesive tape, but when detecting, the adhesive tape is in a horizontal state, and friction force exists between a fixing frame for pulling the adhesive tape to move and a workbench, so that the detection is inaccurate.

Aiming at the problems, innovative design is urgently needed on the basis of the original adhesive tape tensile strength measuring mechanism.

Disclosure of Invention

The utility model aims to provide a rubber strip tensile strength measuring mechanism for solving the problems of the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a adhesive tape tensile strength survey mechanism, includes the workstation, the top of workstation is fixed with L type mount, elevating system is installed at the top of L type mount, elevating system's bottom is provided with the spring dynamometer, the bottom of spring dynamometer and the top of workstation all are fixed with fixture, fixture includes block, grip slot, first pivot, first handle, grip block and centre gripping tooth, the bottom of spring dynamometer and the top of workstation all are fixed with the block, and the top the grip slot has all been seted up to the bottom and the below of block the top of grip slot, the avris of grip slot runs through first pivot, the grip block is installed in the one end of first pivot through the bearing frame rotation, the grip block is located the inside of grip slot, one side of grip block is fixed with the centre gripping tooth, the tip of first pivot is fixed with first handle, first handle is located the outside of block.

Preferably, the lifting mechanism comprises a second rotating shaft, a lifting plate, a second handle and a guide rod, wherein the second rotating shaft penetrates through the top of the L-shaped fixing frame, the lifting plate is rotatably installed at the lower end of the second rotating shaft through a bearing seat, the second handle is fixed at the upper end of the second rotating shaft, the guide rod is fixed at the top of the lifting plate, and the upper end of the guide rod penetrates through the top of the L-shaped fixing frame.

Preferably, the block and the first rotating shaft are in threaded connection, the outer wall of the clamping plate and the inner wall of the clamping groove are mutually attached, and the two clamping plates are symmetrical about the central axis of the block.

Preferably, the clamping teeth are distributed at equal intervals on one side of the clamping plate and form a saw-tooth structure.

Preferably, the second rotating shaft is in threaded connection with the L-shaped fixing frame, and the L-shaped fixing frame is in sliding connection with the guide rod.

Compared with the prior art, the utility model has the beneficial effects that: this adhesive tape tensile strength determination mechanism through rotatory first handle, can make two grip blocks do and be close to the adhesive tape and remove for the inside of adhesive tape can be stinged to the centre gripping tooth on the grip block, and the equidistant distribution in one side of grip block and form the cockscomb structure of centre gripping tooth, thereby increased the area of contact with the adhesive tape, and then increased the fixed fastness of adhesive tape, guaranteed when tensile to the adhesive tape, the adhesive tape can not break away from with fixture, through rotatory second handle, can make the lifter plate do irrotational upward movement, thereby can stimulate the spring dynamometer do irrotational upward movement, then cooperate fixture, accomplish the tensile strength detection to the adhesive tape, and there is not frictional force in the testing process, thereby guaranteed the accuracy of detection.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is a schematic top view of the guide bar of the present utility model;

fig. 4 is a schematic top view of the mounting structure of the clamping plate of the present utility model.

In the figure: 1. a work table; 2. an L-shaped fixing frame; 3. a spring dynamometer; 4. a block; 5. a clamping groove; 6. a first rotating shaft; 7. a first handle; 8. a clamping plate; 9. clamping teeth; 10. a second rotating shaft; 11. a lifting plate; 12. a second handle; 13. a guide rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a adhesive tape tensile strength survey mechanism, including workstation 1, the top of workstation 1 is fixed with L type mount 2, elevating system is installed at the top of L type mount 2, elevating system's bottom is provided with spring dynamometer 3, the bottom of spring dynamometer 3 and the top of workstation 1 all are fixed with fixture, fixture includes block 4, grip slot 5, first pivot 6, first handle 7, grip block 8 and centre gripping tooth 9, the bottom of spring dynamometer 3 and the top of workstation 1 all are fixed with block 4, grip slot 5 has all been seted up at the bottom of upper square body 4 and the top of lower square body 4, grip slot 5's avris has run through first pivot 6, grip block 8 is installed through the bearing frame rotation to one end of first pivot 6, grip block 8 is located the inside of grip slot 5, one side of grip block 8 is fixed with centre gripping tooth 9, the tip of first pivot 6 is fixed with first handle 7, first handle 7 is located the outside of block 4.

The elevating system includes second pivot 10, lifter plate 11, second handle 12 and guide bar 13, the top of L type mount 2 runs through there is second pivot 10, lifter plate 11 is installed through the bearing frame rotation to the lower extreme of second pivot 10, the upper end of second pivot 10 is fixed with second handle 12, the top of lifter plate 11 is fixed with guide bar 13, the top of guide bar 13 runs through the top of L type mount 2, second pivot 10 is threaded connection with L type mount 2, L type mount 2 is sliding connection with guide bar 13, through rotatory second handle 12, can drive lifter plate 11 steady do upward movement, thereby can pull spring dynamometer 3 steady do upward movement, guarantee the accuracy of measurement.

The block 4 and the first rotating shaft 6 are in threaded connection, the outer wall of the clamping plate 8 and the inner wall of the clamping groove 5 are mutually attached, two clamping plates 8 are symmetrical to the central axis of the block 4, and when the first rotating shaft 6 is rotated, the clamping plate 8 can move near the center of the block 4, so that the adhesive tape can be clamped.

The clamping teeth 9 are distributed at equal intervals on one side of the clamping plate 8 and form a saw-tooth-shaped structure, so that the clamping teeth 9 can pierce the inside of the adhesive tape, and the fixing firmness is improved.

Working principle: when the adhesive tape tensile strength measuring mechanism is used, firstly, the lower end of the adhesive tape is inserted into the clamping groove 5, then the first handle 7 is rotated, then the first handle 7 drives the first rotating shaft 6 to rotate, so that the first rotating shaft 6 pushes the clamping plate 8 and the clamping teeth 9 to be close to the adhesive tape, further, the clamping teeth 9 pierce the adhesive tape, the area of the adhesive tape is increased, the firmness after the adhesive tape is fixed is improved, the upper end of the adhesive tape is fixed in the upper clamping groove 5, then the second handle 12 is rotated, then the second handle 12 drives the second rotating shaft 10 to rotate, then the lifting plate 11 is pulled by the second rotating shaft 10 to move upwards under the limit of the guide rod 13, then the lifting plate 11 pulls the spring dynamometer 3 to move upwards, the spring in the spring dynamometer 3 deforms, the spring dynamometer 3 has a relatively large elastic coefficient, the adhesive tape can be broken, the spring dynamometer 3 can still be used, a viewer observes the pointer on the spring dynamometer 3, and the tensile strength is detected by judging the pointer when the adhesive tape is broken.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a adhesive tape tensile strength survey mechanism, includes workstation (1), its characterized in that: the utility model provides a lifting mechanism is installed at the top of workstation (1), elevating system is installed at the top of L type mount (2), elevating system's bottom is provided with spring dynamometer (3), the bottom of spring dynamometer (3) and the top of workstation (1) all are fixed with fixture, fixture includes block (4), grip block (5), first pivot (6), first handle (7), grip block (8) and centre gripping tooth (9), the bottom of spring dynamometer (3) and the top of workstation (1) all are fixed with block (4), the top bottom and the below of block (4) clamping groove (5) have all been seted up at the top of block (4), grip block (8) are installed through the bearing frame rotation to the avris of clamping groove (5), grip block (8) are located the inside of grip block (5), one side of grip block (8) is fixed with centre gripping tooth (9), first pivot (7) are located the outside of first handle (7).

2. The strip tensile strength measuring mechanism of claim 1, wherein: the lifting mechanism comprises a second rotating shaft (10), a lifting plate (11), a second handle (12) and a guide rod (13), wherein the second rotating shaft (10) is penetrated through the top of the L-shaped fixing frame (2), the lifting plate (11) is rotatably installed at the lower end of the second rotating shaft (10) through a bearing seat, the second handle (12) is fixed at the upper end of the second rotating shaft (10), the guide rod (13) is fixed at the top of the lifting plate (11), and the upper end of the guide rod (13) penetrates through the top of the L-shaped fixing frame (2).

3. The strip tensile strength measuring mechanism of claim 1, wherein: the block body (4) and the first rotating shaft (6) are in threaded connection, the outer wall of the clamping plate (8) is mutually attached to the inner wall of the clamping groove (5), and the two clamping plates (8) are symmetrical to the central axis of the block body (4).

4. The strip tensile strength measuring mechanism of claim 1, wherein: the clamping teeth (9) are distributed at equal intervals on one side of the clamping plate (8) and form a sawtooth-shaped structure.

5. The strip tensile strength measuring mechanism of claim 2, wherein: the second rotating shaft (10) is in threaded connection with the L-shaped fixing frame (2), and the L-shaped fixing frame (2) is in sliding connection with the guide rod (13).