Online measuring device for thickness of black and white adhesive

Abstract

The utility model discloses a black and white glue thickness on-line measuring device, which comprises two measuring units which are symmetrically arranged and a compression roller which is rotatably connected between the two measuring units, each measuring unit comprises a mounting seat, a guide cylinder is arranged on the mounting seat, a top cover is arranged at the upper end of the guide cylinder, a sliding block is arranged in the guide cylinder, and the top cover is arranged on the sliding block. A sliding rod extending out of the top cover is fixedly connected to the sliding block, the end of the pressing roller is rotationally arranged at the upper end of the sliding rod, an inserting groove extending into the guide cylinder is formed in the upper surface of the mounting base, a distance measuring plate is fixedly inserted into the inserting groove, and a measuring head capable of measuring the distance of the sliding block is arranged at the front end of the distance measuring plate. And a first spring sleeves the sliding rod and is located between the sliding block and the top cover, a semi-ring supporting piece which is not lower than the distance measuring plate is arranged on the bottom surface of the guide cylinder, and a second spring is arranged between the semi-ring supporting piece and the sliding block. The black and white adhesive thickness on-line measuring device can carry out on-line measurement on the thickness of the belt-shaped black and white adhesive in transmission, and is convenient and fast.

Description

TECHNICAL FIELD

[0001] The utility model relates to the black and white adhesive production inspection field, specifically, relate to a black and white adhesive thickness on -line measuring device. BACKGROUND

[0002] Black and white adhesive is a kind of special adhesive tape material, it is made of black and white bicolour PET base material, has light shielding and reflection function.This adhesive tape is usually used in optical display device, such as notebook computer, mobile phone, PDA, digital display screen component's back light source frame fixing and light shielding effect.

[0003] The characteristics of black and white adhesive include high light shielding rate, high reflectivity, moisture resistance, ultraviolet resistance and moderate adhesion, and no residual glue after tearing off.It is widely used in electronic display screen manufacturing industry, especially in the field of color screen mobile phone back light source and GPS back light source.

[0004] The thickness of black and white adhesive is usually 0.065MM, the material is PET, the white face adhesion is greater than 1.9KG / IN, the black face adhesion is greater than 1.7KG / IN, the holding force is greater than 20 hours, the light shielding rate is greater than 99.9%, the reflectivity is greater than 86%, the use temperature range is-10-100 DEG C, and the tensile strength is 200-270 newton.

[0005] Black and white adhesive has high cutting strength, and is mainly used for sticking cloth on the upper side of product light source or product side, mainly plays the role of shielding and reflecting light.

[0006] Black and white adhesive needs to be cut after passing the thickness inspection in production, and the existing inspection method is sampling inspection, which is low in inspection efficiency and not comprehensive enough.

[0007] Publication No. CN212340210U discloses a kind of adhesive tape thickness detection device, it includes front side support plate, rear side support plate etc., feed roller shaft, tensioning roller shaft, middle roller shaft, discharge roller shaft are rotationally connected with front side support plate, rear side support plate, feed inlet roller, tensioning wheel, feed horizontal roller, discharge horizontal roller are sequentially located between front side support plate and rear side support plate, feed inlet roller is sleeved on feed roller shaft, tensioning wheel is sleeved on tensioning roller shaft, feed horizontal roller is sleeved on middle roller shaft, discharge horizontal roller is sleeved on discharge roller shaft, the both ends of feed roller shaft, the both ends of tensioning roller shaft, the both ends of middle roller shaft, the both ends of discharge roller shaft are equipped with a roller side edge material flange.

[0008] The adhesive tape thickness detection device adopts upper inductor and lower inductor to detect thickness, referring to its attached drawing, the detection position is a place in width direction, also belongs to sampling inspection, and the detection is not comprehensive enough. UTILITY MODEL CONTENTS

[0009] The utility model discloses a black and white adhesive thickness on -line measuring device, which can measure the thickness of the black and white adhesive in the transmission on line, conveniently and quickly.

[0010] In order to realize the above-mentioned purpose, the utility model provides a black and white adhesive thickness on -line measuring device, which comprises two measuring units arranged symmetrically and a compression roller rotatably connected between the two measuring units, the measuring unit comprises a mounting seat, a guide cylinder is arranged on the mounting seat, a top cover is arranged at the upper end of the guide cylinder, a sliding block is arranged in the guide cylinder, a sliding rod extending out of the top cover is fixed to the sliding block, the end of the compression roller is rotatably arranged at the upper end of the sliding rod, an insertion slot extending into the guide cylinder is arranged on the upper surface of the mounting seat, a distance measuring plate is fixedly inserted into the insertion slot, a measuring head capable of measuring the distance of the sliding block is arranged at the front end of the distance measuring plate, a first spring is sleeved between the sliding block and the top cover on the sliding rod, a half-ring support with a height not lower than the distance measuring plate is arranged on the bottom surface of the guide cylinder, and a second spring is arranged between the half-ring support and the sliding block.

[0011] Preferably, the guide cylinder and the top cover are connected by threads.

[0012] Preferably, the bottom surface of the insertion slot is provided with a screw hole, the distance measuring plate is provided with a countersunk hole coaxial with the screw hole, and a countersunk screw is installed in the countersunk hole and screwed into the screw hole.

[0013] Preferably, the bottom of the mounting seat is connected with a horizontal plate through a vertical plate, and mounting holes are arranged on both sides of the horizontal plate.

[0014] Preferably, one end of the half-ring support facing the distance measuring plate is provided with a U-shaped opening, the end of the distance measuring plate is provided with a head capable of fitting into the U-shaped opening, and the measuring head is arranged on the upper surface of the head.

[0015] Preferably, the end of the compression roller is provided with a screw rod, the upper end of the sliding rod is provided with a shaft seat, a bearing is arranged in the shaft seat, the screw rod passes through the bearing and is locked by a nut.

[0016] Preferably, a groove is arranged on the upper surface of the end of the distance measuring plate.

[0017] According to the technical scheme, the utility model provides a kind of black and white glue thickness on-line measuring device, the black and white glue thickness on-line measuring device includes two measurement units being symmetrically arranged, and the compression roller being rotationally connected between the two measurement units, the measurement unit includes mounting seat, the mounting seat is provided with guide cylinder, the upper end of the guide cylinder is provided with top cover, the guide cylinder is provided with sliding block, the sliding block is fixed with the sliding rod that protrudes the top cover, the end of the compression roller is rotationally arranged in the upper end of the sliding rod, the upper surface of the mounting seat is provided with the slot extending into the guide cylinder, the distance measuring plate is fixedly inserted in the slot, the front end of the distance measuring plate is provided with the measuring head capable of measuring the distance of sliding block, the first spring is sleeved between the sliding block and the top cover on the sliding rod, the bottom surface of the guide cylinder is provided with half-ring support piece, the height of which is not lower than the distance measuring plate, and the second spring is arranged between the half-ring support piece and the sliding block.

[0018] The black and white glue thickness on-line measuring device is used before being arranged on both sides of the black and white glue transmission product, so that the compression roller is pressed on the black and white glue in transmission, and the degree of extrusion of the compression roller on the black and white glue of different thicknesses is different, so that the distance between the two ends of the measuring head and the corresponding sliding block is different, the thickness change of the measured black and white glue is judged by the distance change between the measuring head and the sliding block, and when the thickness change range of the black and white glue is within the set range, the black and white glue product is qualified. The black and white glue thickness on-line measuring device converts the thickness change of the black and white glue into the distance change between the measuring head and the corresponding sliding block, indirectly measures the thickness change of the black and white glue, so that the thickness of the black and white glue in transmission or the thickness change amount can be conveniently and quickly measured, and whether the product thickness is qualified is judged.

[0019] Other features and advantages of the utility model will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings are used to provide further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with the following specific embodiment, but do not constitute the limitation to the utility model. In the drawings:

[0021] Figure 1 It is the overall structure diagram of a preferred embodiment of black and white glue thickness on-line measuring device;

[0022] Figure 2 It is the top view structure diagram of a preferred embodiment of black and white glue thickness on-line measuring device;

[0023] Figure 3 It is Figure 2is a schematic view of the A-A cross-sectional structure of the device of the present application;

[0024] Figure 4 is a schematic view of the partial structure of the mounting base of the guide cylinder;

[0025] Figure 5 is Figure 4 is a schematic view of the structure of another view of the device of the present application;

[0026] Figure 6 is a schematic view of the structure of a preferred embodiment of the distance measuring plate;

[0027] Figure 7 is a schematic view of the measurement.

[0028] Explanation of reference signs

[0029] 1 - mounting base; 2 - distance measuring plate; 3 - countersunk screw; 4 - groove; 5 - guide cylinder; 6 - top cover; 7 - vertical plate; 8 - horizontal plate; 9 - mounting hole; 10 - sliding rod; 11 - screw rod; 12 - nut; 13 - pressure roller; 14 - first spring; 15 - second spring; 16 - sliding block; 17 - half ring support; 18 - insertion slot; 19 - threaded hole; 20 - U-shaped opening; 21 - head; 22 - distance measuring head; 23 - countersunk hole; 24 - shaft seat; 25 - black and white adhesive; 26 - support roller. DETAILED DESCRIPTION

[0030] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0031] In the present application, unless otherwise stated, the orientation words such as "up and down, left and right, front and back, inside and outside" contained in the terms only represent the orientation of the terms in the conventional use state, or the common name understood by those skilled in the art, and should not be regarded as a limitation of the terms.

[0032] Referring to Figures 1-7The black and white adhesive thickness on-line measuring device shown includes two measuring units arranged symmetrically, and a press roller 13 rotatably connected between the two measuring units. The measuring unit includes a mounting seat 1, a guide cylinder 5 arranged on the mounting seat 1, a top cover 6 arranged at the upper end of the guide cylinder 5, a sliding block 16 arranged in the guide cylinder 5, a sliding rod 10 protruding from the top cover 6 and fixed to the sliding block 16, an end of the press roller 13 rotatably arranged at the upper end of the sliding rod 10, an insertion slot 18 extending into the guide cylinder 5 arranged on the upper surface of the mounting seat 1, a distance measuring plate 2 inserted and fixed in the insertion slot 18, a measuring head capable of measuring the distance of the sliding block 16 arranged at the front end of the distance measuring plate 2, a first spring 14 sleeved on the sliding rod 10 between the sliding block 16 and the top cover 6, and a half-ring support 17 arranged on the bottom surface of the guide cylinder 5 and having a height not lower than the distance measuring plate, and a second spring 15 arranged between the half-ring support 17 and the sliding block 16.

[0033] Through the implementation of the above technical solution, the black and white adhesive thickness on-line measuring device is arranged on both sides of the black and white adhesive 25 conveying product before use, so that the press roller 13 is pressed on the black and white adhesive 25 in conveying. With the conveying movement of the black and white adhesive 25, the degree of extrusion of the press roller 13 on the black and white adhesive 25 of different thicknesses is different, so that the distance between the measuring head at both ends and the corresponding sliding block 16 is different. The thickness change of the measured black and white adhesive 25 is judged by the change of the distance between the measuring head and the corresponding sliding block 16. When the thickness change range of the black and white adhesive 25 is within the set range, it represents that the black and white adhesive 25 product is qualified. The black and white adhesive 25 thickness on-line measuring device indirectly measures the thickness change of the black and white adhesive 25 by converting the thickness change of the black and white adhesive 25 into the distance change between the measuring head and the corresponding sliding block 16, so as to conveniently and quickly measure the thickness of the belt-shaped black and white adhesive 25 in conveying or the thickness change amount, and further judge whether the product thickness is qualified.

[0034] In this embodiment, the guide cylinder 5 and the top cover 6 are connected by threads. By the threaded connection, the first spring 14 and the second spring 15 can be extruded by the top cover 6, so as to slightly adjust the height of the sliding block 16, so that the press roller 13 can be adjusted to be flat before thickness measurement.

[0035] In this embodiment, the bottom surface of the insertion slot 18 is provided with a screw hole 19, the distance measuring plate 2 is provided with a countersunk hole 23 coaxial with the screw hole 19, and a countersunk screw 3 is installed in the countersunk hole 23 and screwed into the screw hole 19. The position of the inserted distance measuring plate 2 is fixed by installing the countersunk screw 3 in the screw hole 19.

[0036] In this embodiment, in order to further provide a structure of the mounting seat 1, the bottom of the mounting seat 1 is connected with a horizontal plate 8 through a vertical plate 7, and mounting holes 9 are arranged on both sides of the horizontal plate 8. Through the structure, the mounting seat 1 is conveniently mounted on the corresponding mounting positions on both sides of the black and white adhesive 25 transmission line.

[0037] In this embodiment, one end of the semi-ring support 17 facing the ranging board 2 is provided with a U-shaped opening 20, the end of the ranging board 2 is provided with a head 21 capable of being fitted and inserted into the U-shaped opening 20, and a measuring head is arranged on the upper surface of the head 21. Through the arrangement, when the ranging board 2 is inserted into the slot 18, the head 21 can be limited by the U-shaped rear cooperation, so that the measuring head can be located at the axis of the guide cylinder 5 to perform upward ranging, and the measuring head can adopt a laser ranging head 22.

[0038] In this embodiment, the end of the compression roller 13 is provided with a screw rod 11, the upper end of the sliding rod 10 is provided with a shaft seat 24, a bearing is arranged in the shaft seat 24, the screw rod 11 passes through the bearing and is locked through a nut 12. Through the arrangement, both ends of the compression roller 13 can rotate under the cooperation of the bearing, the friction between the compression roller 13 and the black and white adhesive 25 is reduced, and the normal transmission of the black and white adhesive 25 is not affected.

[0039] In this embodiment, the upper surface of the end of the ranging board 2 is provided with a groove 4. Through the arrangement of the groove 4, the ranging board 2 is conveniently drawn out during maintenance. The slot 18 is limited to use a dovetail groove, and of course, a T-shaped groove or other groove structures with vertical limiting can also be adopted.

[0040] In addition, referring to Figure 7 When the bottom of the black and white adhesive 25 in transmission is not supported, a supporting roller 26 can be arranged below the compression roller 13, and a gap for passing the black and white adhesive 25 is arranged between the compression roller 13 and the supporting roller 26.

[0041] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical scheme of the utility model within the technical concept of the utility model, and these simple modifications all belong to the protection scope of the utility model.

[0042] In addition, it should be noted that various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the utility model will not further describe various possible combination manners.

[0043] In addition, various different embodiments of the present application can be combined arbitrarily, as long as they do not violate the spirit of the present application, and should be considered as disclosed by the present application.

Claims

1. An online measuring device for the thickness of black and white glue, characterized in that: The black and white glue thickness online measuring device comprises two symmetrically arranged measuring units and a pressure roller (13) rotatably connected between the two measuring units. The measuring units comprise a mounting seat (1), a guide cylinder (5) is provided on the mounting seat (1), a top cover (6) is provided at the upper end of the guide cylinder (5), a sliding block (16) is provided in the guide cylinder (5), a sliding rod (10) extending out of the top cover (6) is fixedly connected to the sliding block (16), the end of the pressure roller (13) is rotatably arranged at the upper end of the sliding rod (10), and the mounting seat (1) is provided with a guide cylinder (5). The upper surface of the guide cylinder (5) is provided with a slot (18) extending into the guide cylinder (5), a distance measuring plate (2) is inserted and fixed in the slot (18), a front end of the distance measuring plate (2) is provided with a measuring head capable of measuring the distance of the sliding block (16), a first spring (14) is sleeved on the sliding rod (10) and located between the sliding block (16) and the top cover (6), a semi-ring support member (17) whose height is not lower than the distance measuring plate is provided on the bottom surface of the guide cylinder (5), and a second spring (15) is provided between the semi-ring support member (17) and the sliding block (16).

2. The online measuring device for black and white glue thickness according to claim 1, characterized in that: The guide cylinder (5) and the top cover (6) are connected by threads.

3. The online measuring device for black and white glue thickness according to claim 1, characterized in that: The bottom surface of the slot (18) is provided with a screw hole (19); The distance measuring plate (2) is provided with a countersunk hole (23) coaxial with the screw hole (19), and a countersunk screw (3) screwed to the screw hole (19) is installed in the countersunk hole (23).

4. The online measuring device for black and white glue thickness according to claim 1, characterized in that: The bottom of the mounting seat (1) is connected to a horizontal plate (8) via a vertical plate (7), and mounting holes (9) are provided on both sides of the horizontal plate (8).

5. The online measuring device for black and white glue thickness according to claim 1, characterized in that: A U-shaped opening (20) is provided at one end of the semi-ring support member (17) facing the distance measuring plate (2), and a head (21) capable of fitting and inserting into the U-shaped opening (20) is provided at the end of the distance measuring plate (2), and the measuring head is provided on the upper surface of the head (21).

6. The online measuring device for black and white glue thickness according to claim 1, characterized in that: The end of the pressure roller (13) is provided with a screw (11), the upper end of the sliding rod (10) is provided with a shaft seat (24), a bearing is provided in the shaft seat (24), the screw (11) passes through the bearing and is locked by a nut (12).

7. The online measuring device for black and white glue thickness according to claim 1, characterized in that: A groove (4) is provided on the upper surface of the end of the distance measuring plate (2).

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