阅读说明：本技术 一种基于微波谐振的薄膜检测装置 (Film detection device based on microwave resonance ) 是由 谢明 徐程松 刘伟雄 张杨 肖伟 于 2020-03-19 设计创作，主要内容包括：本发明公开了一种基于微波谐振的薄膜检测装置,属于薄膜生产领域。包括同步传输框架、设置在同步传输框架顶端并与同步传输框架滑动连接的上检测架、设置在同步传输框架底端并与同步传输框架滑动连接的下检测架以及设置在上检测架与下检测架之间的薄膜检测间隙,本发明实现了薄膜物理参数动态测量,圆谐振腔上下两部分间隙和同轴度的微米级调节,并采用微波谐振方法同时测量薄膜厚度和水份浓度精度高,测量范围广。(The invention discloses a film detection device based on microwave resonance, and belongs to the field of film production. The invention realizes the dynamic measurement of the physical parameters of the film, the micron-scale adjustment of the gap and the coaxiality of the upper part and the lower part of the circular resonant cavity, and adopts a microwave resonance method to simultaneously measure the thickness of the film and the concentration of water with high precision and wide measurement range.)

1. A film detection device based on microwave resonance is characterized by comprising a synchronous transmission frame (1), an upper detection frame (2) which is arranged at the top end of the synchronous transmission frame (1) and is in sliding connection with the synchronous transmission frame (1), a lower detection frame (3) which is arranged at the bottom end of the synchronous transmission frame (1) and is in sliding connection with the synchronous transmission frame (1), and a film detection gap (4) which is arranged between the upper detection frame (2) and the lower detection frame (3);

go up test rack (2) including setting up last fine-tuning frame (21) on synchronous transmission frame (1) top, setting up last resonant cavity (22) in last fine-tuning frame (21), setting up resonance generator (23) in last resonant cavity (22) and setting up last lead cardboard (24) in last fine-tuning frame (21) bottom side, test rack (3) down is including setting up lower fine-tuning frame (31) in synchronous transmission frame (1) bottom, setting up lower resonant cavity (32) in fine-tuning frame (31) down, setting up resonance receiver (33) in resonant cavity (32) down and setting up lead cardboard (34) down on fine-tuning frame (31) top side.

2. The microwave resonance-based film inspection device according to claim 1, wherein the upper fine tuning stage (21) comprises an upper mounting plate (211) disposed at the top end of the synchronous transmission frame (1), a plurality of sets of upper bracket plates (212) disposed at the bottom side of the upper mounting plate (211), and an upper hanger plate (213) disposed on the upper bracket plates (212) and hinged to the upper bracket plates (212);

be equipped with the multiunit on upper bracket board (212) and be angle adjustment hole (214) on the arc distribution, go up the rotatory centre of a circle of angle adjustment hole (214) and upper bracket board (212) and the pin joint coincidence of last hangers board (213), be equipped with last fixed orifices (215) that multiunit and upper angle adjustment hole (214) correspond on upper bracket board (212), it is equipped with fixing bolt (216) in fixed orifices (215) to go up, it is fixed with the relative position of last hangers board (212) and last hangers board (213) and to go up angle adjustment hole (214) and last fixed orifices (215) and pass angle adjustment hole (216) in proper order to go up fixing bolt (216).

3. The microwave resonance-based film inspection apparatus according to claim 1, wherein the lower fine tuning stage (31) comprises a lower mounting plate (311) disposed at the bottom end of the synchronous transfer frame (1), a plurality of sets of lower bracket plates (312) disposed at the bottom side of the lower mounting plate (311), and a lower hanger plate (313) disposed on the lower bracket plates (312) and hinged to the lower bracket plates (312);

the lower support plate (312) is provided with a plurality of groups of lower angle adjusting holes (314) distributed in an arc shape, the rotating circle center of the lower angle adjusting holes (314) coincides with the hinge point of the lower support plate (312) and the lower lug plate (313), a plurality of groups of lower fixing holes (315) corresponding to the lower angle adjusting holes (314) are arranged below the lower support plate (312), lower fixing bolts (316) are arranged in the lower fixing holes (315), and the lower fixing bolts (316) sequentially penetrate through the lower angle adjusting holes (314) and the lower fixing holes (315) and fix the relative positions of the lower support plate (312) and the lower lug plate (313).

4. The microwave resonance-based film inspecting apparatus according to claim 1, wherein the lower paper guide plate (34) is provided with an eddy current sensor (5) disposed perpendicular to the lower paper guide plate (34), and a measuring end of the eddy current sensor (5) is disposed toward the upper paper guide plate (24).

5. The microwave resonance-based film inspecting apparatus according to claim 1, wherein the upper paper guide roller (241) and the lower paper guide roller (341) are provided at the side of the upper paper guide plate (24) and the lower paper guide plate (34) and at the paper feeding side and the paper discharging side, respectively.

6. The microwave resonance-based film detection apparatus according to claim 1, wherein the synchronous transmission frame (1) comprises an outer frame (11) and a transmission device (12) disposed inside the outer frame (11), the outer frame (11) comprising an upper beam (111), a lower beam (112) disposed in parallel with the upper beam (111), a left side beam (113) and a right side beam (114) disposed on both sides of the upper beam (111) and between the upper beam (111) and the lower beam (112), respectively;

the transmission device (12) comprises a conveying motor (121) arranged on a left side beam (113), a driving wheel (122) arranged on a right side beam (114), a transmission device (123) arranged between the conveying motor (121) and the driving wheel (122), a driven wheel (124) respectively arranged at one end of an upper beam (111) and one end of a lower beam (112) close to the right side beam (114), a turning wheel (125) respectively arranged at one end of the upper beam (111) and one end of the lower beam (112) close to the left side beam (113), an upper transmission belt (126) and a lower transmission belt (127) respectively arranged in the upper beam (111) and the lower beam (112) and sequentially bypassing the driving wheel (122), the turning wheel (125) and the driven wheel (124), the upper fine adjustment frame (21) is arranged on the upper beam (111) and is connected with the lower belt surface of the upper transmission belt (126), the lower fine adjustment frame (31) is arranged in the lower beam (112) and is connected with the upper belt surface of the lower conveying belt (127).

7. The microwave resonance-based film detection apparatus according to claim 6, wherein the upper beam (111) and the lower beam (112) are provided with high-precision reference surfaces (6) inside.

8. The microwave resonance-based film detection apparatus according to claim 6, wherein a travel switch (7) is provided on the upper beam (111).

9. The microwave resonance-based film detection device according to claim 6, wherein the inside of the left side beam (113) is provided with a distance measuring dial indicator (8) which is respectively arranged in parallel with the upper fine adjustment frame (21) and the lower fine adjustment frame (31).

10. The microwave resonance-based film detection device according to claim 6, wherein a mounting frame (9) is arranged in each of the upper fine adjustment frame (21) and the lower fine adjustment frame (31), a synchronous pressing plate (10) which is respectively engaged with the upper conveying belt (126) and the lower conveying belt (127) is arranged on the mounting frame (9), and a synchronous tooth (101) which is respectively engaged with the upper conveying belt (126) and the lower conveying belt (127) is arranged on the synchronous pressing plate (10).

Technical Field

The invention relates to the field of film production, in particular to a film detection device based on microwave resonance.

Background

Dynamic measurement of physical parameters during production is important to ensure efficient, economical, and high quality film production. In the traditional production, the dynamic monitoring of the physical parameters of the film is detected by two methods, namely a radiation method and an optical method. The radiation method causes radiation pollution to the environment, damages production personnel and increases the production cost; although the optical method is pollution-free, the detection range and the detection precision are limited, and the production requirement is difficult to meet. How to efficiently, economically and safely meet the requirement of dynamic measurement of physical parameters in film production is a key technology for restricting the film production. Especially, the requirement of intelligent production is met. The microwave can be used for the dynamic measurement of the physical parameters of the film, which has been determined earlier and reported in many documents, but only microwave moisture detection products are used in the production practice, and other reports are not found. In the film production, the first concerned physical parameter is thickness or weight per square unit, the second is moisture concentration, the dynamic measurement of the thickness in the film production at present mainly adopts a radiation method and a small amount of an optical method, and the dynamic measurement of the film thickness and the moisture concentration by using the same device is not reported.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a film detection device based on microwave resonance, and the specific technical scheme is as follows:

a film detection device based on microwave resonance comprises a synchronous transmission frame, an upper detection frame arranged at the top end of the synchronous transmission frame and connected with the synchronous transmission frame in a sliding manner, a lower detection frame arranged at the bottom end of the synchronous transmission frame and connected with the synchronous transmission frame in a sliding manner, and a film detection gap arranged between the upper detection frame and the lower detection frame;

go up the test rack including setting up at the last fine-tuning frame on synchronous transmission frame top, set up the resonant cavity in last fine-tuning frame, set up the resonance generator in last resonant cavity and set up the last lead cardboard in last fine-tuning frame bottom side, lower test rack is including setting up at the lower fine-tuning frame of synchronous transmission frame bottom, set up the lower resonant cavity in fine-tuning frame down, set up the resonance receiver in resonant cavity down and set up the lower lead cardboard in fine-tuning frame top side down.

Preferably, the upper fine adjustment frame comprises an upper mounting plate arranged at the top end of the synchronous transmission frame, a plurality of groups of upper support plates arranged at the bottom side of the upper mounting plate and an upper lug plate arranged on the upper support plate and hinged with the upper support plates;

be equipped with the multiunit on the upper bracket plate and be the upper angle regulation hole that the arc distributes, the rotatory centre of a circle of upper angle regulation hole coincides with the pin joint of upper bracket plate and last hangers board, is equipped with the last fixed orifices that multiunit and upper angle regulation hole correspond on the upper bracket plate, goes up and is equipped with fixing bolt in the fixed orifices, goes up fixing bolt and passes upper angle regulation hole and last fixed orifices in proper order and fixes the relative position of upper bracket plate and last hangers board.

Preferably, the lower fine adjustment frame comprises a lower mounting plate arranged at the bottom end of the synchronous transmission frame, a plurality of groups of lower support plates arranged at the bottom side of the lower mounting plate and lower lug plates arranged on the lower support plates and hinged with the lower support plates;

the lower support plate is provided with a plurality of groups of lower angle adjusting holes distributed in an arc shape, the rotary circle center of each lower angle adjusting hole coincides with the hinge joint of the lower support plate and the lower lug plate, the lower support plate is provided with a plurality of groups of lower fixing holes corresponding to the lower angle adjusting holes, lower fixing bolts are arranged in the lower fixing holes, and the lower fixing bolts sequentially penetrate through the lower angle adjusting holes and the lower fixing holes and fix the relative positions of the lower support plate and the lower lug plate.

Preferably, the lower paper guide plate is provided with an eddy current sensor which is perpendicular to the lower paper guide plate, and the measuring end of the eddy current sensor faces the upper paper guide plate.

Preferably, an upper paper guide roller and a lower paper guide roller are provided on the side of the upper paper guide plate and the lower paper guide plate on the paper feeding side and the paper discharging side, respectively.

Preferably, the synchronous transmission frame comprises an outer frame and a transmission device arranged in the outer frame, wherein the outer frame comprises an upper beam, a lower beam arranged in parallel with the upper beam, and a left side beam and a right side beam which are respectively arranged at two sides of the upper beam and positioned between the upper beam and the lower beam;

the transmission device comprises a transmission motor arranged on a left side beam, a driving wheel arranged on a right side beam, a transmission device arranged between the transmission motor and the driving wheel, driven wheels respectively arranged at one ends, close to the right side beam, of an upper beam and a lower beam, turning wheels respectively arranged at one ends, close to the left side beam, of the upper beam and the lower beam, upper transmission belts and lower transmission belts respectively arranged in the upper beam and the lower beam and sequentially bypassing the driving wheel, the turning wheels and the driven wheels, an upper fine adjustment frame arranged on the upper beam and connected with the lower belt surface of the upper transmission belt, and a lower fine adjustment frame arranged in the lower beam and connected with the upper belt surface of the lower transmission belt.

Preferably, the high-precision reference surface is provided on the inner side of each of the upper beam and the lower beam.

Preferably, the upper beam is provided with a travel switch.

Preferably, a distance measuring dial indicator which is respectively arranged in parallel with the upper fine adjustment frame and the lower fine adjustment frame is arranged on the inner side of the left side beam.

Preferably, the upper fine adjustment frame and the lower fine adjustment frame are both internally provided with mounting frames, the mounting frames are provided with synchronous pressing plates respectively meshed with the upper conveying belt and the lower conveying belt, and the synchronous pressing plates are provided with synchronous teeth respectively meshed with the upper conveying belt and the lower conveying belt.

The invention has the following beneficial effects:

the invention takes two end surfaces of the top end and the bottom end of a transmission frame as reference surfaces, and takes the reference surfaces as reference surfaces, an upper fine tuning frame and a lower fine tuning frame which are connected with the transmission frame in a sliding way are arranged on the transmission frame, and an upper resonant cavity and a lower resonant cavity are respectively fixed. The upper fixing bolts are matched with the upper angle adjusting holes, so that the relative rotation angle of the upper support plate and the upper lug plate is fixed, micron-sized angle adjustment is performed through matching of the upper fixing holes and the upper angle adjusting holes at different positions, the angle adjustment of the upper and lower sections of the resonant cavity and paper is completed, and the adjustment precision and the measurement precision in the microwave measurement process are improved. Meanwhile, the upper fine adjustment frame and the lower fine adjustment frame can move in the same direction and at the same speed and further move along with the position change of the film, so that the longer production preparation time and calibration time of workers are avoided, the workload of the workers is reduced, and the working efficiency is improved. The invention realizes the dynamic measurement of the physical parameters of the film, the micron-scale adjustment of the gap and the coaxiality of the upper part and the lower part of the circular resonant cavity, and the simultaneous measurement of the thickness of the film and the water concentration by adopting a microwave resonance method has high precision and wide measurement range.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of the present invention;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

FIG. 5 is an enlarged view of a portion of FIG. 2 at B;

FIG. 6 is a front view of the present invention;

FIG. 7 is a cross-sectional view of the present invention;

FIG. 8 is a schematic structural diagram of a synchronous transport frame according to the present invention;

fig. 9 is a partial enlarged view at C in fig. 8.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.