CN213238766U

CN213238766U - Plastic film thickness detection device

Info

Publication number: CN213238766U
Application number: CN202022369688.4U
Authority: CN
Inventors: 王俊; 秦小伟; 庄莉莉; 李昆明; 汪淼
Original assignee: Wuhu Chuangke New Material Tech Co ltd
Current assignee: Wuhu Chuangke New Material Tech Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-05-18
Anticipated expiration: 2030-10-22

Abstract

The utility model discloses a plastic film thickness detection device, include the mounting panel and wait to detect the film, the mounting panel leading flank about both ends all be equipped with fortune membrane cylinder, the external driving motor output shaft of fortune membrane cylinder rotate, wherein go up from the top down between the fortune membrane cylinder at both ends and be equipped with a set of stable roller and a chute board of rolling in proper order, the inside spout cross section of chute board be the T font, the inside slip embedding detection piece of spout, detection piece include two electric capacity polar plates that are parallel to each other, T shape sliding plate and interconnecting link, two electric capacity polar plates that are parallel to each other be located detection piece one side and detection piece opposite side and extend two interconnecting links. The device adopts capacitanc non-contact measurement principle, and relevant part is cooperated, and measuring range is wider, can avoid the interference of dust impurity in the air simultaneously, improves detection efficiency and the reliability of testing result.

Description

Plastic film thickness detection device

Technical Field

The utility model relates to a plastic film thickness check out test set technical field, more specifically says, relates to a plastic film thickness detection device.

Background

Whether the thickness of the film is uniform or not is the basis for detecting various properties of the film, and obviously, if the thickness of a batch of single-layer films is not uniform, the tensile strength, the barrier property and the like of all the parts of the film can be influenced, and the subsequent processing of the film can be influenced.

The capacitive sensor among the prior art detects the principle and produces the electric field for capacitive sensor and penetrates the film substrate with certain angle, reads out the thickness of film according to the difference of the dielectric constant that different film thickness correspond, and capacitive sensor has following advantage: the nuclear-magnetic thickness gauge has no nuclear rays and is not limited by the execution regulation of related nuclear devices, the nuclear-magnetic thickness gauge is low in price, compared with a blown film production line with the same production scale and resin types, the price of a set of nuclear-magnetic thickness gauge is 30-100% higher than that of a capacitance type thickness gauge, and in the actual measurement process, the capacitance thickness gauge mainly has the following problems in the working process, namely, the measurement range of a film capacitance plate with a wide width is insufficient, and dust impurities in the air between the capacitance plate and the film often cause the deviation of a detection result.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plastic film thickness detection device, the device adopt capacitanc non-contact measurement principle, cooperate relevant part, and measuring range is wider, can avoid the interference of dust impurity in the air simultaneously, improves detection efficiency and testing result's reliability.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a plastic film thickness detection device comprises a mounting plate and a film to be detected, wherein film conveying rollers are arranged at the upper end and the lower end of the front side surface of the mounting plate, the film conveying rollers are externally connected with a driving motor output shaft to rotate, a group of stable rolling rollers and a sliding chute plate are sequentially arranged between the film conveying rollers at the upper end and the lower end from bottom to top, the cross section of a sliding chute inside the sliding chute plate is T-shaped, a detection piece is slidably embedded inside the sliding chute, the detection piece comprises two capacitor polar plates which are parallel to each other, a T-shaped sliding plate and a connecting circuit, the two capacitor polar plates which are parallel to each other are positioned on one side of the detection piece, two connecting circuits are extended from the other side of the detection piece, a T-shaped sliding plate is fixedly welded on one side of the detection piece, a film deep groove is processed inwards at the middle connecting position of the two capacitor polar plates which, the dustproof frame comprises rectangular frames, an air filter screen is arranged in each frame, and zipper opening and closing openings are formed in the air filter screens on the upper surface, the lower surface and one side surface.

Furthermore, the rear side surface of the mounting plate is fixedly connected with the rack through bolts.

Further, the film to be detected sequentially penetrates through the outer side of the film conveying roller at the upper end, between the stable rolling rollers, the upper surface of the dustproof frame, between the two mutually parallel capacitor plates, the lower surface of the dustproof frame and the outer side of the film conveying roller at the lower end from top to bottom.

Further, the zipper opening and closing opening is used for penetrating the film to be detected and the detection piece connecting line.

Furthermore, the number of the group of stable rolling rollers is two, a film to be detected is clamped between the two stable rolling rollers, and two ends of each of the two stable rolling rollers are connected with the front side face of the mounting plate through a support.

Compared with the prior art, the utility model has the advantages that:

the utility model can lead the detection capacitor polar plate to deeply sweep the film surface to be detected with wider width inwards by arranging the chute and the film deep groove structure, thereby expanding the measuring range; through setting up dustproof frame structure, can avoid dust impurity to enter into between the detection capacitor plate in the air, and then improve and detect the reliability.

Drawings

FIG. 1 is a schematic view of the overall structure of the device of the present invention;

FIG. 2 is a schematic structural view of the detecting member of the present invention;

FIG. 3 is a schematic view of the structure of the dustproof frame of the present invention;

in the figure: 1. mounting a plate; 2. the upper end is provided with a film conveying roller; 3. a support; 4. stabilizing the roller; 5. a dust-proof frame; 6. a chute; 7. a chute plate; 8. a detection member; 9. a lower film conveying roller; 10. detecting a film to be detected; 51. a frame; 52. opening and closing the zipper; 53. an air filter screen; 81. a capacitor plate; 82. the film is deeply inserted into the groove; 83. a T-shaped sliding plate; 84. and connecting the circuit.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the utility model easy to understand and understand, the utility model is further explained by combining with the specific figures.

As shown in figures 1 to 3, a plastic film thickness detection device comprises a mounting plate 1 and a film 10 to be detected, wherein the upper end and the lower end of the front side surface of the mounting plate 1 are respectively provided with a film conveying roller, the film conveying rollers are externally connected with a driving motor output shaft to rotate, a group of stable rolling rollers 4 and a sliding chute plate 7 are sequentially arranged between the film conveying rollers at the upper end and the lower end from top to bottom, the cross section of a sliding chute 6 inside the sliding chute plate 7 is T-shaped, a detection piece 8 is slidably embedded inside the sliding chute 6, the detection piece 8 comprises two capacitor plates 81 which are parallel to each other, a T-shaped sliding plate 83 and a connecting circuit 84, the two capacitor plates 81 which are parallel to each other are positioned at one side of the detection piece 8, the other side of the detection piece 8 extends out of the two connecting circuits 84, the T-shaped sliding plate 83 is fixedly welded at one side of the, the periphery of one chute plate 7 is wrapped with a dustproof frame 5, the dustproof frame 5 is composed of rectangular frames 51, an air filter screen 53 is arranged in each frame 51, the film detection device comprises an air filter screen 53, zipper opening and closing ports 52 are arranged on the upper surface, the lower surface and one side surface of the air filter screen 53, the rear side surface of a mounting plate 1 is fixedly connected with a rack through bolts, a film 10 to be detected sequentially penetrates through the outer side of an upper end film conveying roller 2, a stable rolling roller 4, the upper surface of a dustproof frame 5, two capacitor plates 81 which are parallel to each other, the lower surface of the dustproof frame 5 and the outer side of a lower end film conveying roller 9 from top to bottom, the zipper opening and closing ports 52 are opened to penetrate through the film 10 to be detected and a connecting circuit 84 of a detection piece 8, the number of a group of stable rolling rollers 4 is two, the two stable rolling rollers 4 are clamped with the film 10 to be detected, and two.

During actual detection, according to the electric capacity detection principle of electric capacity calibrator, it passes between two electric capacity polar plates 81 that are parallel to each other to wait to detect film 10 through upper and lower end fortune membrane cylinder power drive, show the film thickness parameter, when waiting to detect film 10 width broad, can slide along spout 6 through T shape sliding plate 83, drive and detect 8 movements, let wait to detect that the region that film 10 surface detected enters into the film and go deep into inside groove 82, let electric capacity polar plate 81 continue to detect the film region that has not yet detected, in-process, dustproof frame 5 can avoid the dust impurity in the air to enter into between electric capacity polar plate 81 that detects 8 through airstrainer 53, reduce interference factor.

The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A plastic film thickness detection device is characterized in that: the film conveying device comprises a mounting plate and a film to be detected, wherein film conveying rollers are arranged at the upper end and the lower end of the front side face of the mounting plate, an output shaft of a driving motor is externally connected with the film conveying rollers and rotates, a group of stable rolling rollers and a chute plate are sequentially arranged between the film conveying rollers at the upper end and the lower end from bottom to top, the cross section of a chute inside the chute plate is T-shaped, a detection piece is embedded into the chute in a sliding mode and comprises two capacitor polar plates which are parallel to each other, a T-shaped sliding plate and a connecting circuit, the two capacitor polar plates which are parallel to each other are positioned on one side of the detection piece, two connecting circuits extend out of the other side of the detection piece, a T-shaped sliding plate is fixedly welded on one side of the detection piece, a film deep groove is processed at the middle connecting position of the two capacitor polar plates which are parallel to each other, a dustproof frame is wrapped by a dustproof frame, wherein, the air filter nets at the upper and lower surfaces and one side surface are provided with zipper opening and closing openings.

2. The plastic film thickness detection device according to claim 1, wherein: the rear side surface of the mounting plate is fixedly connected with the rack through bolts.

3. The plastic film thickness detection device according to claim 1, wherein: the film to be detected sequentially penetrates through the outer side of the upper film conveying roller, the space between the stabilizing rollers, the upper surface of the dustproof frame, the space between two mutually parallel capacitor plates, the lower surface of the dustproof frame and the outer side of the lower film conveying roller from top to bottom.

4. The plastic film thickness detection device according to claim 1, wherein: the zipper opening and closing opening is used for penetrating the film to be detected and the connecting line of the detecting piece.

5. The plastic film thickness detection device according to claim 1, wherein: the film to be detected is clamped between the two stable rolling rollers, wherein the two ends of the two stable rolling rollers are connected with the front side face of the mounting plate through the support.