CN212424860U

CN212424860U - Automatic tensioning mechanism for PET (polyethylene terephthalate)

Info

Publication number: CN212424860U
Application number: CN202021065717.1U
Authority: CN
Inventors: 贾玉林
Original assignee: Tianjin Adir Technology Co ltd
Current assignee: Zejin Ledao Tianjin Ecological Technology Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-01-29
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses an automatic tight mechanism that rises of PET, including bottom plate and tensioning roller, the first dead lever of top fixedly connected with of bottom plate, the quantity of first dead lever has two, two the inside of first dead lever all is provided with the recess, twice the equal fixedly connected with slide bar in inside of recess, two the equal swing joint in front of slide bar has the slider, two the front of slide bar and the bottom side of slider all overlap and be equipped with the spring, two the equal fixedly connected with fixed block of lateral wall of slider, two the equal fixedly connected with first pivot of lateral wall of fixed block, two the equal fixedly connected with connecting block of lateral wall of first pivot, two the equal fixedly connected with locating piece of lateral wall of connecting block, the inside of tensioning roller is provided with the constant head tank. The utility model discloses, can drive the slider through loosening the spring under the extrusion state and drive the tensioning roller and be ascending motion on the slide bar and adjust the tight degree of rising and conveniently dismantle the installation with the tensioning roller.

Description

Automatic tensioning mechanism for PET (polyethylene terephthalate)

Technical Field

The utility model relates to a PET rises and tightly technical field especially relates to an automatic mechanism that rises of PET.

Background

The PET film is a packaging film with relatively comprehensive performance, and has good transparency and luster; the air tightness and the fragrance retention are good; moderate moisture resistance and reduced moisture permeability at low temperatures.

But present PET film takes place in the in-process position that rises and in case the skew just can cause unevenness when accomodating and the surface of tensioning roller receives wearing and tearing easily when the live time overlength thereby surface unevenness and present tensioning roller can't carry out quick replacement when damaging and influenced the job schedule when rising.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an automatic tensioning mechanism for PET.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an automatic tight mechanism that rises of PET, includes bottom plate and tensioning roller, the first dead lever of top fixedly connected with of bottom plate, the quantity of first dead lever has two, two the inside of first dead lever all is provided with recess, twice the equal fixedly connected with slide bar in inside of recess, two the equal swing joint in front of slide bar has the slider, two the front of slide bar and the bottom side of slider all overlap and are equipped with the spring, two the equal fixedly connected with fixed block of lateral wall of slider, two the first pivot of the equal fixedly connected with of lateral wall of fixed block, two the equal fixedly connected with connecting block of lateral wall of first pivot, two the equal fixedly connected with locating piece of lateral wall of connecting block, the inside of tensioning roller is provided with the constant head tank.

As a further description of the above technical solution:

the locating piece is connected with the constant head tank embedding, the quantity of locating piece and constant head tank all is provided with a plurality ofly.

As a further description of the above technical solution:

the inside swing joint of connecting block has fixing bolt, fixing bolt's quantity has a plurality ofly, the connecting block passes through fixing bolt fixed connection with the tensioning roller.

As a further description of the above technical solution:

the surface of tensioning roller is provided with the inoxidizing coating, the inoxidizing coating is wear-resisting material and makes.

As a further description of the above technical solution:

the top of bottom plate just is located one side fixedly connected with second dead lever of first dead lever, the inside swing joint of second dead lever has the second pivot, the lateral wall fixedly connected with guide roll of second pivot, the quantity of guide roll has two.

As a further description of the above technical solution:

the diameter of connecting block is greater than the diameter of tensioning roller, the constant head tank is the cross with the locating piece.

As a further description of the above technical solution:

one end of the spring is fixedly connected with the sliding block, and the other end, far away from the sliding block, of the spring is fixedly connected with the side wall of the groove.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this automatic tight mechanism that rises of PET, through being provided with spring and slider and inoxidizing coating and connecting block, can carry out check fender PET at the in-process that PET rises and tightly through the connecting block, thereby prevent that PET from taking place to take place to squint and lead to the planarization of accomodating receiving the influence at the in-process that rises, thereby can drive the slider to be the rising movement automatic the adjusting tight degree of rising and the antifriction power that has increased the tensioning roller through the inoxidizing coating and increased life on the slide bar through the spring under the unclamping extrusion state, thereby it causes PET to rise tightly the effect not good because of using the work overlength.

2. Compared with the prior art, this automatic tight mechanism that rises of PET through being provided with locating piece and constant head tank and fixing bolt, conveniently dismantles the installation with the tensioning roller and changes, and easy operation has prevented to lead to the progress decline because of the unable work that leads to takes place to damage in the tensioning roller.

Drawings

Fig. 1 is a structural front view of a PET automatic tensioning mechanism provided by the present invention;

FIG. 2 is a side view of the structure of the PET automatic tensioning mechanism provided by the utility model

Fig. 3 is a side view of the tension roller of the PET automatic tensioning mechanism of the present invention;

fig. 4 is a side view of the connecting block of the PET automatic tensioning mechanism provided by the utility model.

Illustration of the drawings:

1. a base plate; 2. a first fixing lever; 3. a groove; 4. a slide bar; 5. a slider; 6. a spring; 7. a fixed block; 8. a first rotating shaft; 9. connecting blocks; 10. a tension roller; 11. a protective layer; 12. positioning a groove; 13. fixing the bolt; 14. positioning blocks; 15. a second fixing bar; 16. a second rotating shaft; 17. and a guide roller.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the utility model provides a pair of PET automatic tensioning mechanism: the tensioning device comprises a bottom plate 1 and tensioning rollers 10, wherein the top end of the bottom plate 1 is fixedly connected with first fixing rods 2, the number of the first fixing rods 2 is two, grooves 3 are formed in the two first fixing rods 2, slide rods 4 are fixedly connected in the two grooves 3, sliders 5 are movably connected to the front surfaces of the two slide rods 4 respectively, the sliders 5 are hollow blocks and can conveniently move on the slide rods 4, springs 6 are sleeved on the front surfaces of the two slide rods 4 and the bottom sides of the sliders 5 respectively and are used for loosening and automatically tensioning the springs 6 in an extrusion state, fixing blocks 7 are fixedly connected to the side walls of the two sliders 5, first rotating shafts 8 are fixedly connected to the side walls of the two fixing blocks 7, connecting blocks 9 are fixedly connected to the side walls of the two first rotating shafts 8 and used for blocking PET materials and preventing position deviation in the tensioning process, and positioning blocks 14 are fixedly connected to the side walls of the two connecting blocks, make things convenient for connecting block 9 to be connected with tensioning roller 10, tensioning roller 10's inside is provided with constant head tank 12.

The positioning block 14 is embedded in and connected with the positioning groove 12, the positioning block 14 and the positioning groove 12 are provided in multiple numbers to increase the connection fixity, the connecting block 9 is movably connected with a fixing bolt 13 inside, the fixing bolt 13 is provided in multiple numbers to enhance the fixing of the connecting block 9 and the tensioning roller 10, the connecting block 9 and the tensioning roller 10 are fixedly connected through the fixing bolt 13 to facilitate the disassembly, installation and replacement, the surface of the tensioning roller 10 is provided with a protective layer 11, the protective layer 11 is made of wear-resistant material to increase the friction resistance of the surface of the tensioning roller 10 to prevent the tensioning roller 10 from being damaged due to overlong use time, a second fixing rod 15 is fixedly connected to one side of the top end of the bottom plate 1, a second rotating shaft 16 is movably connected inside the second fixing rod 15, a guide roller 17 is fixedly connected to the side wall of the second rotating shaft 16 to guide the tensioning of the PET material, the quantity of guide roll 17 has two, and the diameter of connecting block 9 is greater than the diameter of tensioning roller 10, and constant head tank 12 is the cross with locating piece 14, increases the linkage nature between connecting block 9 and the tensioning roller 10, and the one end and the slider 5 fixed connection of spring 6, the other end that spring 6 just kept away from slider 5 and the lateral wall fixed connection of recess 3, conveniently resets spring 6 and drive slider 5 and rise tightly.

The working principle is as follows: when the device is used, a PET film is placed on the guide roller 17 and the tension roller 10 at two ends, the spring 6 in the groove 3 on the first fixing rod 2 is loosened, the spring 6 is reset by extruding the side wall of the groove 3, the spring 6 drives the sliding block 5 to ascend on the sliding rod 4, the sliding block 5 drives the fixing block 7 and the first rotating shaft 8 as well as the connecting block 9 and the tension roller 10 to ascend to automatically realize tensioning and then be used, the protective layer 11 is used for protecting the tension roller 10 from friction damage, the connecting block 9 is used for preventing the position deviation of the PET film, when the tensioning roller 10 is damaged, the connecting block 9 can be loosened and tightened by the fixing bolt 13 on the side wall of the connecting block 9 to be detached from the tensioning roller 10, and the new tensioning roller 10 is embedded and connected with the positioning groove 12 inside the tensioning roller 10 through the positioning block 14 on the side wall of the connecting block 9 and then fixed by the fixing bolt 13 to be replaced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an automatic tight mechanism that rises of PET, includes bottom plate (1) and tensioning roller (10), its characterized in that: the utility model discloses a bottom plate, including bottom plate (1), the first dead lever of top fixedly connected with (2) of bottom plate (1), the quantity of first dead lever (2) has two, two the inside of first dead lever (2) all is provided with recess (3), twice the equal fixedly connected with slide bar (4) in inside of recess (3), two the equal swing joint in front of slide bar (4) has slider (5), two the front of slide bar (4) and the bottom side of slider (5) all overlap and are equipped with spring (6), two the equal fixedly connected with fixed block of lateral wall (7) of slider (5), two the first pivot of the equal fixedly connected with of lateral wall (8) of fixed block (7), two the equal fixedly connected with connecting block of lateral wall (9), two the equal fixedly connected with locating piece of lateral wall (14) of connecting block (9), the inside of tensioning roller (10) is provided with constant head tank (12).

2. The automatic PET tensioning mechanism according to claim 1, wherein: the positioning blocks (14) are connected with the positioning grooves (12) in an embedded mode, and the positioning blocks (14) and the positioning grooves (12) are arranged in a plurality of numbers.

3. The automatic PET tensioning mechanism according to claim 1, wherein: the inside swing joint of connecting block (9) has fixing bolt (13), the quantity of fixing bolt (13) has a plurality ofly, connecting block (9) pass through fixing bolt (13) fixed connection with tensioning roller (10).

4. The automatic PET tensioning mechanism according to claim 1, wherein: the surface of the tensioning roller (10) is provided with a protective layer (11), and the protective layer (11) is made of an abrasion-resistant material.

5. The automatic PET tensioning mechanism according to claim 1, wherein: the utility model discloses a fixing device for fixing a bearing, including bottom plate (1), one side fixedly connected with second dead lever (15) that just is located first dead lever (2) on the top of bottom plate (1), the inside swing joint of second dead lever (15) has second pivot (16), the lateral wall fixedly connected with guide roll (17) of second pivot (16), the quantity of guide roll (17) has two.

6. The automatic PET tensioning mechanism according to claim 1, wherein: the diameter of connecting block (9) is greater than the diameter of tensioning roller (10), constant head tank (12) are the cross with locating piece (14).

7. The automatic PET tensioning mechanism according to claim 1, wherein: one end of the spring (6) is fixedly connected with the sliding block (5), and the other end, far away from the sliding block (5), of the spring (6) is fixedly connected with the side wall of the groove (3).