CN217226655U

CN217226655U - Adjustable BOPP film longitudinal stretching mechanism

Info

Publication number: CN217226655U
Application number: CN202220843813.7U
Authority: CN
Inventors: 周武杰; 周松岳
Original assignee: Guangdong Xinjiaxing Packaging Material Co ltd
Current assignee: Guangdong Xinjiaxing Packaging Material Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-08-19
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a vertical drawing mechanism of BOPP film with adjustable, comprising a base plate, the top of bottom plate is provided with the support, and is provided with shock-absorbing structure between support and the bottom plate, the position department that the inside of support is close to the bottom is provided with adjustment mechanism, the top of support is fixed with the fixed plate, and the inside of fixed plate rotates and installs drawing roller two, the inside of support frame is rotated and is had drawing roller one, and the bottom or the top of drawing roller one and drawing roller two are provided with the cleaning roller. The utility model discloses not only through being provided with connecting block one, lead screw, casing, bull stick and servo motor, connecting block one and lead screw threaded connection, connecting block one is connected with the diaphragm, and the slide rail has been seted up to casing one side, and the diaphragm slides from top to bottom along the casing, and the lead screw passes through the bull stick and servo motor's output shaft, and it is rotatory to drive the lead screw through the rotation of servo motor output shaft, and the connecting block drives the diaphragm and reciprocates, is convenient for adjust the distance between drawing roller one and the drawing roller two.

Description

Adjustable BOPP film longitudinal stretching mechanism

Technical Field

The utility model relates to a BOPP film longitudinal stretching technical field specifically is a BOPP film longitudinal stretching mechanism with adjustable.

Background

The BOPP film is made by a polymer polypropylene melt through a narrow and long machine head to form a sheet or a thick film, and then is stretched through a stretching mechanism in a stretcher, wherein the stretching mechanism in the stretcher is stretched in the longitudinal direction and the transverse direction, and the functions of the longitudinal stretching mechanism are continuously improved along with the continuous development of the society.

The mechanisms on the market are various and can basically meet the use requirements of people, but certain problems still exist:

1. when the traditional BOPP film longitudinal stretching mechanism is used, the practicability is low due to the fact that the length between the stretching roller II and the stretching roller I is inconvenient to adjust;

2. the traditional BOPP film longitudinal stretching mechanism can generate vibration in the using process, and the stretching of the film is influenced by the long-term vibration;

3. after the traditional BOPP film longitudinal stretching mechanism is not used for a long time, dust is accumulated on the surfaces of the stretching roller II and the stretching roller I, and the dust is attached to the film to influence the quality of the film.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vertical stretching mechanism of BOPP film with adjustable to propose the inconvenient position control that carries out of mechanism in solving above-mentioned background art, vibrations influence the film tensile and inconvenient clearance dust, influence the problem of film quality.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vertical drawing mechanism of BOPP film with adjustable, includes the bottom plate, the top of bottom plate is provided with the support, and is provided with shock-absorbing structure between support and the bottom plate, the inside position department that is close to the bottom of support is provided with adjustment mechanism, the top of support is fixed with the fixed plate, and the inside of fixed plate rotates and installs drawing roller two, be provided with the diaphragm between the adjustment mechanism, and the top of diaphragm is fixed with the support frame, the inside of support frame is rotated and is had drawing roller one, and the bottom or the top of drawing roller one and drawing roller two are provided with the cleaning roller.

Preferably, the second stretching roller and the first stretching roller are provided with a plurality of rollers, and the plurality of rollers are staggered and distributed with each other.

Preferably, the bottom end or the top end of the cleaning roller is in contact with the first stretching roller or the second stretching roller, and the supporting frame is arranged in a U shape in side view.

Preferably, adjustment mechanism includes connecting block one, lead screw, casing, bull stick and servo motor, the casing is fixed in the inside top of support, servo motor is installed to the below of casing, the inside top of casing is rotated there is the lead screw, install the bull stick between the bottom of lead screw and servo motor's the output shaft, the externally mounted of lead screw has connecting block one, and one side of connecting block is connected with diaphragm one side.

Preferably, an internal thread is formed in the first connecting block, and the first connecting block is in threaded connection with the screw rod.

Preferably, shock-absorbing structure includes connecting cylinder, connecting block two, inner chamber and damping spring, the connecting cylinder is fixed in the corner position department on bottom plate top, the inner chamber has been seted up to the inside of connecting cylinder, damping spring is installed to the bottom of inner chamber, the bottom at the support is fixed to connecting block two.

Preferably, the connecting block is located inside the inner cavity, and the support forms a damping and buffering structure through a damping spring.

Compared with the prior art, the beneficial effects of the utility model are that: the adjustable BOPP film longitudinal stretching mechanism is convenient for adjusting the distance between the first stretching roller and the second stretching roller, plays a role in shock absorption, reduces damage to the film, can clean dust attached to the surfaces of the first stretching roller and the second stretching roller, and avoids influencing the quality of the film as much as possible;

(1) the first connecting block is in threaded connection with the lead screw, the first connecting block is connected with the transverse plate, a sliding rail is arranged on one side of the shell, the transverse plate slides up and down along the shell, the lead screw is connected with an output shaft of the servo motor through the rotating rod, the lead screw is driven to rotate through the rotation of the output shaft of the servo motor, the transverse plate is driven to move up and down through the connecting block, and the distance between the first stretching roller and the second stretching roller can be conveniently adjusted;

(2) the connecting cylinder is positioned between the top end of the bottom plate and the support, the second connecting block is connected with the support, and the damping spring can play a damping and buffering effect in the operation process of the mechanism, so that a damping effect is played, and the damage to the film is reduced;

(3) through being provided with the cleaning roller, the cleaning roller is installed in the top of two bottoms of stretch rolls and stretch roll one, when stretch roll one and two rotatory operations of stretch roll, clean the spot on two surfaces of stretch roll one and stretch roll by the cleaning roller, twine the film along stretch roll one and stretch roll two after the cleanness, consequently can clean stretch roll one and stretch roll two before the use to can clear up the surface adhesion dust of stretch roll one and stretch roll two, avoid influencing the film quality as far as possible.

Drawings

Fig. 1 is a schematic view of a front view partial section structure of the present invention.

Fig. 2 is a schematic view of the cleaning roller and the drawing front view structure of the present invention.

Fig. 3 is a schematic view of the front sectional structure of the housing of the present invention.

Fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

Fig. 5 is a schematic view of the front view structure of the present invention.

In the figure: 1. a support; 2. a first stretching roller; 3. a cleaning roller; 4. a second stretching roller; 5. an adjustment mechanism; 501. a first connecting block; 502. a screw rod; 503. a housing; 504. a rotating rod; 505. a servo motor; 6. a shock-absorbing structure; 601. a connecting cylinder; 602. a second connecting block; 603. an inner cavity; 604. a damping spring; 7. a transverse plate; 8. a support frame; 9. a fixing plate; 10. a base plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: the utility model provides a vertical stretching mechanism of BOPP film with adjustable, including bottom plate 10, the top of bottom plate 10 is provided with support 1, and be provided with shock-absorbing structure 6 between support 1 and the bottom plate 10, shock-absorbing structure 6 includes connecting cylinder 601, two 602 of connecting block, inner chamber 603 and damping spring 604, corner position department on bottom plate 10 top is fixed in to connecting cylinder 601, inner chamber 603 has been seted up to the inside of connecting cylinder 601, damping spring 604 is installed to the bottom of inner chamber 603, two 602 of connecting block fix the bottom at support 1. The second connecting block 602 is located inside the inner cavity 603, and the bracket 1 forms a damping and buffering structure through a damping spring 604.

When the mechanism is used, firstly, when the mechanism operates, the bracket 1 vibrates, the bracket 1 extrudes the second connecting block 602, the second connecting block 602 extrudes the damping spring 604, and the damping spring 604 plays a damping and buffering effect on the bracket 1 to keep the mechanism stable as much as possible during operation.

The inside position department that is close to the bottom of support 1 is provided with adjustment mechanism 5, adjustment mechanism 5 includes connecting block 501, lead screw 502, casing 503, bull stick 504 and servo motor 505, casing 503 is fixed in the inside top of support 1, servo motor 505 is installed to the below of casing 503, the inside top of casing 503 is rotated and is had lead screw 502, bull stick 504 is installed between the bottom of lead screw 502 and the output shaft of servo motor 505, the externally mounted of lead screw 502 has connecting block 501, and connecting block 501 one side is connected with diaphragm 7 one side. An internal thread is formed inside the first connecting block 501, and the first connecting block 501 is in threaded connection with the screw rod 502.

When the mechanism is used, firstly, the distance between a first stretching roller 2 and a second stretching roller 4 needs to be adjusted, when the adjustment is carried out, a servo motor 505 is started, an output shaft of the servo motor 505 starts to rotate, when the output shaft of the servo motor 505 rotates, a rotating rod 504 is driven to rotate, a screw rod 502 is driven to rotate at the same time, when the screw rod 502 rotates, a transverse plate 7 is driven by a first connecting block 501 to move up and down, and when the transverse plate 7 moves up and down, the first stretching roller 2 is driven to move up and down, so that the distance between the first stretching roller 2 and the second stretching roller 4 is adjusted.

The top of support 1 is fixed with fixed plate 9, and the inside rotation of fixed plate 9 installs two stretching rollers 4, be provided with diaphragm 7 between the adjustment mechanism 5, and the top of diaphragm 7 is fixed with support frame 8, the inside rotation of support frame 8 has stretching roller 2, and the bottom or the top of stretching roller 2 and stretching roller two 4 are provided with cleaning roller 3, stretching roller two 4 and stretching roller 2 are provided with a plurality ofly, be the cross distribution that staggers between a plurality of stretching roller two 4 and the stretching roller 2. The bottom end or the top end of the cleaning roller 3 is in contact with the first stretching roller 2 or the second stretching roller 4, and the supporting frame 8 is arranged in a U shape in side view.

During the use, before this mechanism uses, stretch roller 2 and stretch roller two 4 are rotatory, when stretch roller 2 and stretch roller two 4 are rotatory, clear up in advance the dust on stretch roller 2 and stretch roller two 4 surfaces through cleaning roller 3, after the clearance, can avoid stretch roller 2 and stretch roller two 4 surface adhesion's dust to glue in the film top, cause the influence to the film quality.

The working principle is as follows: when the device is used, an external power supply is adopted, firstly, the first stretching roller 2 and the second stretching roller 4 are rotated, when the first stretching roller 2 and the second stretching roller 4 are rotated, dust on the surfaces of the first stretching roller 2 and the second stretching roller 4 is cleaned by the cleaning roller 3, then the distance between the first stretching roller 2 and the second stretching roller 4 is adjusted according to needs, during adjustment, the servo motor 505 is started, an output shaft of the servo motor 505 drives the rotating rod 504 to rotate, meanwhile, the screw rod 502 is rotated, when the screw rod 502 is rotated, the transverse plate 7 is driven by the first connecting block 501 to move up and down according to needs, the first stretching roller 2 is driven by the support frame 8 to move up and down, and the distance between the first stretching roller 2 and the second stretching roller 4 is adjusted;

secondly, the BOPP film is longitudinally wound in an S shape around the first stretching roller 2 and the second stretching roller 4, and the BOPP film is longitudinally stretched to a certain extent under the action of the first stretching roller 2 and the second stretching roller 4 in the later period;

finally, in the using and operating process, the support 1 can generate vibration, the force generated by the vibration extrudes the damping spring 604 under the action of the second connecting block 602 through the support 1, the vibration force is absorbed through the damping spring 604, the vibration force is weakened, the phenomenon that the support 1 shakes is avoided to the greatest extent, and the using work of the BOPP film longitudinal stretching mechanism is finally completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An adjustable BOPP film longitudinal stretching mechanism comprises a bottom plate (10), and is characterized in that: the top of bottom plate (10) is provided with support (1), and is provided with shock-absorbing structure (6) between support (1) and bottom plate (10), the position department that the inside of support (1) is close to the bottom is provided with adjustment mechanism (5), the top of support (1) is fixed with fixed plate (9), and the internal rotation of fixed plate (9) installs stretching roller two (4), be provided with diaphragm (7) between adjustment mechanism (5), and the top of diaphragm (7) is fixed with support frame (8), the internal rotation of support frame (8) has stretching roller (2), and the bottom or the top of stretching roller (2) and stretching roller two (4) are provided with cleaning roller (3).

2. The adjustable BOPP film longitudinal stretching mechanism of claim 1, wherein: the second stretching roller (4) and the first stretching roller (2) are arranged in a plurality of staggered and crossed distribution modes.

3. The adjustable BOPP film longitudinal stretching mechanism of claim 1, wherein: cleaning roller (3) bottom or top and stretch roller (2) or stretch roller two (4) contact, support frame (8) are looked sideways and are the U type setting.

4. The adjustable BOPP film longitudinal stretching mechanism of claim 1, wherein: adjustment mechanism (5) are including connecting block (501), lead screw (502), casing (503), bull stick (504) and servo motor (505), casing (503) are fixed in the inside top of support (1), servo motor (505) are installed to the below of casing (503), the inside top of casing (503) is rotated and is had lead screw (502), bull stick (504) are installed between the bottom of lead screw (502) and the output shaft of servo motor (505), the externally mounted of lead screw (502) has connecting block (501), and connecting block (501) one side is connected with diaphragm (7) one side.

5. An adjustable BOPP film longitudinal stretching mechanism according to claim 4, wherein: an internal thread is formed inside the first connecting block (501), and the first connecting block (501) is in threaded connection with the screw rod (502).

6. The adjustable BOPP film longitudinal stretching mechanism of claim 1, wherein: shock-absorbing structure (6) are including connecting cylinder (601), two (602) of connecting block, inner chamber (603) and damping spring (604), corner position department on bottom plate (10) top is fixed in connecting cylinder (601), inner chamber (603) have been seted up to the inside of connecting cylinder (601), damping spring (604) are installed to the bottom of inner chamber (603), the bottom at support (1) is fixed in two (602) of connecting block.

7. The adjustable BOPP film longitudinal stretching mechanism of claim 6, wherein: the second connecting block (602) is located inside the inner cavity (603), and the support (1) forms a damping buffer structure through a damping spring (604).