CN214373796U

CN214373796U - Film tensile test's drive mechanism

Info

Publication number: CN214373796U
Application number: CN202022528710.5U
Authority: CN
Inventors: 于卓
Original assignee: Suzhou Xinxi Packaging Products Co ltd
Current assignee: Suzhou Xinxi Packaging Products Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-10-08
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a film tensile test's drive mechanism, including pulling the base, the upside of pulling the base is equipped with the traction block, the inside of traction block is equipped with the screw, screw female connection has the screw rod, the one end fixedly connected with carousel of traction block is kept away from to the screw rod, the upside of traction block is equipped with the jump ring, the fixed setting of one end of jump ring is in traction block, the other end fixedly connected with connecting rod of jump ring, the other end fixedly connected with square axostylus axostyle of connecting rod, the outside cover of square axostylus axostyle is equipped with a roll membrane roller. The utility model discloses can avoid the film to take place deformation and lead to film atress inhomogeneous everywhere, effectively improve film tensile test's result accuracy.

Description

Film tensile test's drive mechanism

Technical Field

The utility model relates to a film performance detects technical field, especially relates to a film tensile test's drive mechanism.

Background

The plastic film tensile test is an important index for representing the tensile property of the plastic film, particularly the tensile property of the food packaging film directly influences the safety of the packaged contents of the food packaging film, the accuracy of the detection result of the film tensile test not only influences the evaluation of the material property and the adjustment of the production process, but also is closely related to the qualification of the product, and how to ensure the accuracy of the detection result is the key point of the common attention of a quality inspection mechanism and an enterprise laboratory.

At present, the fixing device adopted by the film stretching experiment is mainly a tooth-shaped clamp configured by various manufacturers. In the specific implementation, the toothed fixture fixes two ends of the film spline, and in the stretching process, the toothed fixture easily causes unevenness of the surface of the film, so that the clamping force is uneven, and in the subsequent stretching test process, the stress at each part of the film has obvious difference, thus seriously affecting the accuracy of the stretching test.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art film at tensile in-process, because the film takes place deformation and leads to the film inhomogeneous influence tensile test accuracy's of atress problem everywhere, and the drive mechanism of a film tensile test who provides.

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

the utility model provides a film tensile test's drive mechanism, is including pulling the base, the upside of pulling the base is equipped with the traction block, the inside of traction block is equipped with the screw, screw female connection has the screw rod, the one end fixedly connected with carousel of traction block is kept away from to the screw rod, the upside of traction block is equipped with the jump ring, the fixed setting in traction block of one end of jump ring, the other end fixedly connected with connecting rod of jump ring, the other end fixedly connected with square axostylus axostyle of connecting rod, the outside cover of square axostylus axostyle is equipped with rolls up the membrane roller.

In the traction mechanism for the film tensile test, the upper side of the traction base is provided with the slide rail, the bottom of the traction block is arranged in the slide rail, and the section of the slide rail is convex.

In the above traction mechanism for the film tensile test, a position, close to the turntable, of the upper side of the traction base is provided with a limiting block, the limiting block is sleeved on the outer side of the screw rod, and the limiting block is movably connected with the screw rod.

In the above traction mechanism for the film tensile test, one end of the connecting rod, which is far away from the clamp spring, is arc-shaped, and the square shaft rod and the connecting rod are vertically arranged.

In the traction mechanism for the film tensile test, the tail end of the square shaft rod is fixedly connected with a screw rod, and the external thread of the screw rod is connected with a limit nut.

In the traction mechanism for the film tensile test, the film clamping blocks are arranged on the outer side of the film rolling roller, the film clamping blocks and the film rolling roller are mutually embedded, the square shaft hole is formed in the film rolling roller, and the square shaft hole is matched with the square shaft rod.

Compared with the prior art, the utility model discloses possess following advantage:

1. the film clamping block is matched with the film rolling roller for use, the film to be detected can be fixedly wound on the film rolling roller, and meanwhile, because the film is wound on the film rolling roller, all parts of the film are uniformly stressed when stressed, and the detection result is accurate.

2. Set up square axostylus axostyle and roll up the cooperation of membrane roller and use, can avoid rolling up the membrane roller and take place to rotate when tensile, and then avoided the film when tensile, received the power of other directions, pull the piece simultaneously and pull through sliding rail connection between the base, further improved the accuracy of testing result.

3. Set up threaded connection between screw rod and the traction block, accessible pivoted mode tractive film gradually has guaranteed the precision of testing result, simultaneously because the upper end of connecting rod is the arc, be convenient for the measurement personnel will roll up on the membrane roller is fixed in square axostylus axostyle, can carry out horizontal spacing to the membrane roller of rolling up after fixing through stop nut, has further avoided the influence of other factors to the testing result.

Drawings

Fig. 1 is a schematic structural diagram of a traction mechanism for a film tensile test according to the present invention;

fig. 2 is a schematic view of a connection between a square shaft lever and a screw lever of a traction mechanism for a film tensile test according to the present invention;

fig. 3 is the utility model provides a film roll roller structure sketch map of film tensile test's drive mechanism.

In the figure: the film rolling machine comprises a traction base 1, a traction block 2, a screw hole 3, a screw rod 4, a limiting block 5, a rotary table 6, a clamp spring 7, a connecting rod 8, a square shaft rod 9, a film rolling roller 10, a screw rod 11, a limiting nut 12, a square shaft hole 13 and a film clamping block 14.

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.

Referring to fig. 1-3, a traction mechanism for a film tensile test comprises a traction base 1 for fixing the traction mechanism, a traction block 2 is arranged on the upper side of the traction base 1, the traction block 2 and the traction base 1 can move relatively, a screw hole 3 is arranged in the traction block 2, a screw rod 4 is connected in the screw hole 3 in a threaded manner, a rotary table 6 is fixedly connected to one end of the screw rod 4 far away from the traction block 2, a rocker is arranged on one side of the rotary table 6 far away from the screw rod 4, the rocker can be rotated to drive the rotary table 6 to rotate, so that the screw rod 4 rotates relative to the traction block 2, the traction block 2 cannot rotate due to the limitation of the traction base 1, the traction block 2 can move relative to the traction base 1, a clamp spring 7 is arranged on the upper side of the traction block 2, one end of the clamp spring 7 is fixedly arranged in the traction block 2, the movement of the traction block 2 can drive the clamp spring 7 to move, and a connecting rod 8 is fixedly connected to the other end of the clamp spring 7, the other end fixedly connected with square axostylus axostyle 9 of connecting rod 8, the outside cover of square axostylus axostyle 9 is equipped with rolls up membrane roller 10, adopts square axostylus axostyle 9, can avoid rolling up membrane roller 10 and take place to rotate.

More preferably, the upper side of the traction base 1 is provided with a slide rail, the bottom of the traction block 2 is arranged in the slide rail, the section of the slide rail is convex, and the convex slide rail is adopted, so that the traction block 2 and the traction base 1 can move relatively, and the rotation of the traction block 2 can be limited.

More preferably, the position that the upside of pulling base 1 is close to carousel 6 is equipped with stopper 5, and stopper 5 cover is established in the outside of screw rod 4, swing joint between stopper 5 and the screw rod 4, can support and restrict screw rod 4 through stopper 5, can avoid the screw rod to produce horizontal displacement when taking place to rotate, influences the accuracy of testing result.

Further, the one end that jump ring 7 was kept away from to connecting rod 8 is the arc, and the detector of being convenient for pulls up connecting rod 8, sets up perpendicularly between square axostylus axostyle 9 and the connecting rod 8, and the back is established on square axostylus axostyle 9 to the membrane roller 10 cover, and the bottom surface is tangent with 2 upper surfaces of traction block, makes the tensile testing result of film more accurate.

Furthermore, the tail end of the square shaft rod 9 is fixedly connected with a screw rod 11, the external thread of the screw rod 11 is connected with a limiting nut 12, the film rolling roller 10 can be transversely limited through the limiting nut 12, and the film rolling roller 10 is prevented from moving.

More specifically, the outside of rolling up membrane roller 10 is equipped with film fixture block 14, and mutual gomphosis between film fixture block 14 and the rolling up membrane roller 10 can be with detecting the film and fixing on rolling up membrane roller 10 through film fixture block 14, avoids the film when tensile, and film itself and rolling up and taking place to remove between the membrane roller 10, and the inside of rolling up membrane roller 10 is equipped with square shaft hole 13, looks adaptation between square shaft hole 13 and the square axostylus axostyle 9.

The working principle is as follows:

the one end of waiting to detect the film is fixed between film fixture block 14 and a roll membrane roller 10, make the film closely laminate with a roll membrane roller 10, after coiling several rings, pull up connecting rod 8, penetrate square axostylus axostyle 9 with a roll membrane roller 10, adjust a roll membrane roller 10 to suitable position after, stop nut 12 screws, the rigidity of rolling up membrane roller 10, slowly loosen connecting rod 8, make the lower extreme laminating of a roll membrane roller 10 at the upper surface of traction block 2, through the handle, slowly rotate carousel 6, drive screw rod 4 and screw 3 and take place relative rotation, because draw the restriction of convex slide rail between base 1 and the traction block 2, traction block 2 does not take place to rotate, slowly move left, can carry out the tensile properties detection of film.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a film tensile test's drive mechanism, is including drawing base (1), its characterized in that, the upside of drawing base (1) is equipped with traction block (2), the inside of traction block (2) is equipped with screw (3), screw (3) female connection has screw rod (4), the one end fixedly connected with carousel (6) of traction block (2) are kept away from in screw rod (4), the upside of traction block (2) is equipped with jump ring (7), the fixed setting in traction block (2) of one end of jump ring (7), the other end fixedly connected with connecting rod (8) of jump ring (7), the other end fixedly connected with square axostylus axostyle (9) of connecting rod (8), the outside cover of square axostylus axostyle (9) is equipped with film-rolling roller (10).

2. The traction mechanism for the film tensile test is characterized in that a slide rail is arranged on the upper side of the traction base (1), the bottom of the traction block (2) is arranged in the slide rail, and the section of the slide rail is convex.

3. The traction mechanism for the film tensile test according to claim 1, wherein a position of the upper side of the traction base (1) close to the turntable (6) is provided with a limit block (5), the limit block (5) is sleeved on the outer side of the screw rod (4), and the limit block (5) is movably connected with the screw rod (4).

4. The traction mechanism for the film tensile test according to claim 1, wherein one end of the connecting rod (8) far away from the clamp spring (7) is arc-shaped, and the square shaft rod (9) and the connecting rod (8) are vertically arranged.

5. The traction mechanism for the film tensile test is characterized in that a screw (11) is fixedly connected to the tail end of the square shaft rod (9), and a limit nut (12) is connected to the outer thread of the screw (11).

6. The traction mechanism for the film tensile test according to claim 1, wherein a film clamping block (14) is arranged on the outer side of the film rolling roller (10), the film clamping block (14) and the film rolling roller (10) are mutually embedded, a square shaft hole (13) is arranged inside the film rolling roller (10), and the square shaft hole (13) is matched with the square shaft rod (9).