CN216686799U

CN216686799U - Feeding mechanism is used in polypropylene film production

Info

Publication number: CN216686799U
Application number: CN202123439413.4U
Authority: CN
Inventors: 黄炎煌
Original assignee: Quanzhou Jiadeli Electronic Material Co ltd
Current assignee: Quanzhou Jiadeli Electronic Material Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-07
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the field of film production, in particular to a feeding mechanism for polypropylene film production, which comprises two mounting frames, wherein a first clamping belt and a second clamping belt are arranged between the mounting frames at intervals, the first clamping belt and the second clamping belt are respectively sleeved outside a plurality of parallel rotating shafts, two ends of each rotating shaft are connected with the mounting frames through bearings, the first clamping belt and the second clamping belt have plane outlines on adjacent sides, a gap for a polypropylene film to penetrate through is arranged between the plane outline on the first clamping belt and the plane outline on the second clamping belt, and a driving piece in transmission connection with the first clamping belt and/or the second clamping belt is arranged on a rack. The utility model aims to provide a feeding mechanism for producing a polypropylene film, which is beneficial to solving the problem of feeding deviation caused by small clamping area and short clamping time of the existing structure.

Description

Feeding mechanism is used in polypropylene film production

Technical Field

The utility model relates to the field of film production, in particular to a feeding mechanism for producing a polypropylene film.

Background

With the continuous development of industry, high polymer materials are gradually applied to various fields, and the requirements of various fields on the performance of the high polymer materials are continuously improved. Polypropylene is a polymer with larger industrial output, has the advantages of light weight, easy processing, good chemical stability and the like, and is widely applied in the fields of electronic products, automobile parts, packaging materials and the like.

In the production and processing process of polypropylene, need stretch technology such as it, mainly pay-off it with the help of the conveying roller at present, specifically adopt two clearance fit to have driven roll bodys, the polypropylene film passes from this clearance, two roll bodys carry out the centre gripping to the film, and roll with the help of self and carry out the pay-off action of film, nevertheless because the contact surface of two roll bodys and film is less, appear clamping-force not enough easily or lead to the atress inequality because of the centre gripping time is too short, thereby produce the route skew.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a feeding mechanism for producing a polypropylene film, which is beneficial to solving the problem of feeding deviation caused by small clamping area and short clamping time of the existing structure.

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

the utility model provides a feeding mechanism is used in polypropylene film production, includes that two align to set up the mounting bracket in polypropylene film delivery path both sides, be equipped with first centre gripping area and the second centre gripping area that the interval set up between the mounting bracket, first centre gripping area and second centre gripping area are established respectively in the pivot outside of many parallels, the pivot both ends are passed through the bearing and are connected with the mounting bracket, first centre gripping area and second centre gripping area have plane profile in adjacent one side, are equipped with the clearance that supplies the polypropylene film to wear to establish between the plane profile on the first centre gripping area and the plane profile on the second centre gripping area, and after this clearance was worn to establish by the polypropylene film, first centre gripping area and second centre gripping area can grasp the polypropylene film in coordination, be equipped with the driving piece of being connected with first centre gripping area and/or second centre gripping area transmission on the mounting bracket.

Preferably, the mounting frame is provided with a strip-shaped hole, and the two ends of the rotating shaft, which are located on one side adjacent to the first clamping belt and the second clamping belt, are installed in the strip-shaped hole.

Preferably, be located the adjacent one side in first centre gripping area and second centre gripping area pivot both ends fixedly connected with connecting block, connecting block is mobile to be inserted and is established the bar is downthehole, be equipped with the knob that is on a parallel with the bar hole between connecting block and the mounting bracket, the rotation of knob can drive connecting block and pivot and move along the bar hole.

Preferably, bar hole one side is equipped with the scale mark, be equipped with the terminal surface in perpendicular to bar hole on the connecting block, the terminal surface can be alignd with this scale mark.

Compared with the prior art, the utility model at least comprises the following advantages:

according to the utility model, the first clamping belt and the second clamping belt which are distributed at intervals are arranged, the plane profiles which can be mutually matched and used for clamping the polypropylene film are arranged on the adjacent sides of the first clamping belt and the second clamping belt, the feeding stability is improved by increasing the contact area with the polypropylene film, and the phenomenon of feeding deviation caused by slippage or uneven stress is reduced; according to the utility model, through the structure of the strip-shaped hole and the knob, the position of the rotating shaft at one side adjacent to the first clamping belt and the second clamping belt can be adjusted, so that the distance between the first clamping belt and the second clamping belt is adjusted, the clamping force is adjusted, and the film conveying requirements of different thicknesses can be met.

Drawings

FIG. 1 is a schematic view of a feeding mechanism according to an embodiment;

FIG. 2 is a schematic view of an assembled structure of the first clamping strip of FIG. 1;

fig. 3 is a schematic view of a simple structure of the feeding mechanism in a clamping feeding state.

The figure is marked with: 1. a mounting frame; 11. an adjustment hole; 2. a first clamping band; 3. a second clamping band; 4. A rotating shaft; 5. connecting blocks; 6. a knob; 7. a motor; 8. a polypropylene film.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description is made with reference to the accompanying drawings and detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the two elements or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, the present embodiment discloses a feeding mechanism for producing a polypropylene film 8, which includes two mounting frames 1 aligned and disposed on two sides of a conveying path of the polypropylene film 8, wherein the mounting frames 1 mainly serve as a bearing connection function, can be mounted on a processing device of the polypropylene film 8, and serve as a bearing feeding mechanism.

The mounting rack 1 is provided with vertical strip-shaped holes 11, so that corresponding conditions are provided for position adjustment of the feeding mechanism.

Two be equipped with first centre gripping area 2 and second centre gripping area 3 between the mounting bracket 1, first centre gripping area and the longitudinal separation of second centre gripping area 3, symmetry set up.

First holding area 2 and second holding area 3 are the annular area body, overlap respectively and establish in the 4 outsides of 3 parallel pivots, 4 both ends of pivot are passed through the bearing and are connected with mounting bracket 1.

Wherein, first holding area 2 and second holding area 3 set up in two 4 levels of pivot of adjacent one side for the holding area forms plane profile in its outside, and the horizontal interval distribution of plane profile on the first holding area 2 and the plane profile on the second holding area 3, clearance between the two supplies polypropylene film 8 to wear to establish, because this clearance is less than polypropylene film 8's thickness, so behind this clearance was worn to establish by polypropylene film 8, first holding area 2 and second holding area 3 can grasp polypropylene film 8 in coordination.

And a driving piece in transmission connection with the first clamping belt 2 and the second clamping belt 3 is arranged on the mounting frame 1. The driving member adopts a motor 7, and can drive the first holding belt 2 and the second holding belt 3 to rotate, and the rotating directions of the first holding belt 2 and the second holding belt 3 are opposite, so that the polypropylene film 8 between the first holding belt and the second holding belt can be influenced by the first holding belt and move towards one direction.

Furthermore, be located the adjacent one side of first holding area 2 and second holding area 3 4 both ends fixedly connected with connecting block 5 of pivot, this connecting block 5 wears to establish bar hole 11 and is in the mounting bracket 1 outside. Be equipped with the knob 6 that is on a parallel with bar hole 11 between connecting block 5 and the mounting bracket 1, the knob 6 of vertical setting is connected fixedly at its lead screw end and connecting block 5, threaded connection between this lead screw and the mounting bracket 1, therefore, rotation through knob 6 can drive connecting block 5 and 4 edge bar holes of pivot 11 and remove, realize the longitudinal position adjustment of pivot 4, and then change the clearance size between first holding strip 2 and the second holding strip 3, this can adjust the centre gripping dynamics to polypropylene film 8, and carry out corresponding adjustment according to the thickness of different polypropylene films 8, satisfy the operation processing requirement.

Further, 11 one sides in bar hole are equipped with the scale mark, be equipped with the terminal surface in perpendicular to bar hole 11 on connecting block 5, the terminal surface can align with this scale mark, plays the show of the position state of 5 inboard pivots 4 of connecting block to and acquire the amplitude of adjustment of connecting block 5 in real time.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The feeding mechanism for producing the polypropylene film is characterized by comprising two mounting frames (1) which are arranged on two sides of a conveying path of the polypropylene film (8) in an aligned mode, a first clamping belt (2) and a second clamping belt (3) which are arranged at intervals are arranged between the mounting frames (1), the first clamping belt (2) and the second clamping belt (3) are respectively sleeved on the outer sides of a plurality of parallel rotating shafts (4), two ends of each rotating shaft (4) are connected with the mounting frames (1) through bearings, the first clamping belt (2) and the second clamping belt (3) are provided with plane outlines on adjacent sides, a gap for the polypropylene film (8) to penetrate through is formed between the plane outlines on the first clamping belt (2) and the plane outlines on the second clamping belt (3), and the first clamping belt (2) and the second clamping belt (3) can cooperatively clamp the polypropylene film (8) after the polypropylene film (8) penetrates through the gap, and a driving piece in transmission connection with the first clamping belt (2) and/or the second clamping belt (3) is arranged on the mounting frame (1).

2. The feeding mechanism for producing the polypropylene film as claimed in claim 1, wherein the mounting frame (1) is provided with a strip-shaped hole (11), and two ends of the rotating shaft (4) located at one side of the first holding belt (2) adjacent to the second holding belt (3) are installed in the strip-shaped hole (11).

3. The feeding mechanism for producing the polypropylene film as claimed in claim 2, wherein the two ends of the rotating shaft (4) located on one side of the first holding belt (2) adjacent to the second holding belt (3) are fixedly connected with connecting blocks (5), the connecting blocks (5) are movably inserted into the strip-shaped holes (11), a knob (6) parallel to the strip-shaped holes (11) is arranged between the connecting blocks (5) and the mounting rack (1), and the rotation of the knob (6) can drive the connecting blocks (5) and the rotating shaft (4) to move along the strip-shaped holes (11).

4. The feeding mechanism for producing the polypropylene film as claimed in claim 3, wherein the strip-shaped holes (11) are provided with scale marks on one side, and the connecting block (5) is provided with an end surface perpendicular to the strip-shaped holes (11), and the end surface can be aligned with the scale marks.