Film thickness detection device for degradable optical film production
By designing the driving and moving components, the problems of high energy consumption and insufficient detection range in the existing technology are solved, realizing the high efficiency, low energy consumption and wide applicability of the film thickness detection device.
Patent Information
- Application Number
- CN202520413984.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-11
AI Technical Summary
In existing technologies, the use of multiple motors leads to a significant increase in system energy consumption, and a fixed laser thickness gauge may not be able to cover the detection range when the film width decreases, resulting in detection failure.
By employing a drive assembly and a moving assembly, the forward and reverse rotation of the first and second lead screws drives the movement of the limiting roller and the laser thickness gauge, thereby achieving flexible limiting of the film and adjustment of the detection range, reducing the use of motors and ensuring detection coverage.
This reduces system energy consumption and costs, while ensuring detection coverage for membranes of different widths, and improving the convenience and success rate of detection.
Smart Images

Figure CN223925699U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a detection device, especially in a kind of degradable optical film production film thickness detection device, belong to optical film production technical field. BACKGROUND
[0002] With the enhancement of environmental awareness, degradable materials are increasingly widely used in various fields. The optical film piece is made of PVB resin powder, plasticizer and other raw materials after heating, stirring and mixing, then extruded, and then subjected to surface embossing treatment, drying heat treatment, cooling, quality detection and winding processes, the thickness of the film piece is one of its important quality standards, and the thickness of the film product is mostly measured by thickness gauge, which is divided into ultrasonic, magnetic, eddy current and laser according to different measuring principles, and the laser thickness gauge is composed of two laser displacement sensors in an up-and-down shooting mode, the thickness of the measured body is obtained by calculation, and the advantages are more accurate, no wear between the measured body and the detection process is more safe, and there is no radiation pollution.
[0003] Among them, the "high-precision optical film piece thickness detection device" disclosed in the application number "202220887293.X" includes a bottom plate, the top of the bottom plate is welded and mounted with a support frame, the top of the support frame is fixedly installed with a laser thickness gauge body, the top of the bottom plate is fixedly installed with an electric push rod, the free end of the electric push rod is fixedly installed with a first support plate, and the top of the first support plate is fixedly installed with a fixed plate.", in the utility model, the high-precision optical film piece thickness detection device is moved up and down by the electric push rod to drive the first support plate, so as to control the film to the detection position of the laser thickness gauge body, the screw rod is driven to rotate by the motor, the two groups of sliding blocks are brought close in the sliding groove by the screw rod, so as to drive the limiting roller to limit the film, so that the film and the detection device can keep perpendicular during transmission, and the position of the detection device is adjusted by moving the bottom plate up and down by the hydraulic rod.
[0004] But the above-mentioned mode still has the following defects: the screw rod is driven to rotate by the motor, the two groups of sliding blocks are brought close in the sliding groove by the screw rod, so as to drive the limiting roller to limit the film, so that the film and the detection device can keep perpendicular during transmission. But in the actual use process, the multiple motors used undoubtedly greatly improve the energy consumption level of the system, and further lead to the increase of cost; and the laser thickness gauge body is fixedly arranged, when the width of the film body is reduced, the thickness of the film body may be completely out of the detection range, which leads to the failure of the detection task. UTILITY MODEL CONTENTS
[0005] The utility model discloses a degradable optical film production film thickness detection device is provided to solve the problem of the actual use in the above background art, and multiple motors significantly improve the system energy consumption, and increase the cost, and the fixedly arranged laser thickness gauge can not cover the detection range when the film width is reduced, resulting in detection failure.
[0006] To realize above-mentioned purpose, the utility model provides the following technical scheme: a degradable optical film production film thickness detection device, including the base, the top of base is equipped with two rectangle frames, the inside rotation of rectangle frame is equipped with two limit rollers, one side fixedly arranged on the top of base is the support plate, the top rotation of support plate is equipped with first screw rod, the bottom screw connection of first screw rod has the horizontal plate, and the fixed support between the top rectangle frame and horizontal plate, one side of support plate top is equipped with drive assembly, one side of base top is equipped with laser thickness gauge body, the inside rotation of base is equipped with second screw rod, the surface of second screw rod is equipped with moving assembly.
[0007] As a preferred technical scheme of the utility model, the bottom of the rectangle frame at the bottom is fixedly provided with four support columns uniformly spaced, and the bottom end of the support column is fixedly connected with the bottom end of the base, and a notch groove is formed in one side of the rectangle frame.
[0008] As a preferred technical scheme of the utility model, the both sides of the horizontal plate are slidably provided with positioning columns, and the top end of the positioning column is fixedly connected with the surface of the support plate, and the bottom end of the first screw rod is fixedly provided with a limiting cap.
[0009] As a preferred technical scheme of the utility model, the drive assembly comprises a first forward-reverse motor, the first forward-reverse motor is fixedly installed on one side of the top end of the support plate, and the output shaft of the first forward-reverse motor is fixedly provided with a first belt pulley.
[0010] As a preferred technical scheme of the utility model, the top end of the first screw rod is fixedly provided with a second belt pulley, and the first belt pulley and the second belt pulley are drivingly connected through a transmission belt.
[0011] As a preferred technical scheme of the utility model, the moving assembly comprises a moving block, the moving block is threadedly connected to the surface of the second screw rod, one side of the top end of the base is provided with a moving groove matched with the movement of the moving block, and two limit rods are symmetrically and slidably arranged in the moving block.
[0012] As a preferred technical scheme of the utility model, the top end of the moving block is fixedly provided with a fixing frame, a threaded rod is threadedly connected to the top of the fixing frame, the bottom end of the threaded rod is rotationally connected to the middle of the top end of the laser thickness gauge body, guide rods are fixedly arranged on the two sides of the top end of the laser thickness gauge body, the top end of each guide rod penetrates through the fixing frame and extends to the top of the fixing frame, and a rotating cap is fixedly arranged at the top end of the threaded rod.
[0013] As a preferred technical scheme of the utility model, the one side of the base is fixedly provided with a second forward and reverse motor, the output shaft of the second forward and reverse motor is fixedly connected with one end of the second screw rod, and the bottom end of the base is provided with four support pads which are uniformly spaced.
[0014] Compared with the related art, the film thickness detection device for degradable optical film production has the following beneficial effects:
[0015] 1. The driving assembly can realize the forward or reverse rotation of the first screw rod, thereby driving the horizontal plate, the support and the rectangular frame at the top of the support to move flexibly in the vertical direction. This design enables the two limiting rollers at the top to approach the two limiting rollers at the bottom, effectively limiting the film body. In addition, this scheme uses fewer motors, significantly reduces the energy consumption level of the system, and effectively curbs the rise in cost.
[0016] 2. With the aid of the moving assembly, the laser thickness gauge body can move flexibly in the horizontal direction through the forward and reverse rotation mechanism of the screw rod, thereby easily coping with the detection task of a film body with a relatively narrow width, ensuring that any part of the film body does not escape from the detection range, and laying a solid foundation for the smooth progress of subsequent detection work.
[0017] 3. In addition, the rotating cap drives the threaded rod to rotate and cooperates with the guide rod to realize precise adjustment of the height of the laser thickness gauge body, greatly improving the convenience of use. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 is a structural schematic view of the utility model;
[0019] Figure 2 is an exploded structural schematic view of the base of the utility model;
[0020] Figure 3 is a structural schematic view of the utility model support plate;
[0021] Figure 4 is an exploded structural schematic view of the support of the utility model;
[0022] Figure 5 is a structural schematic view of the support of the utility model;
[0023] Figure 6 It is the structure schematic view of base of the utility model;
[0024] Figure 7 It is the explosion structure schematic view of fixed frame of the utility model;
[0025] Figure 8 It is the structure schematic view of fixed frame of the utility model.
[0026] In the drawing: 1, base;2, rectangular frame;3, limit roller;4, support plate;5, first screw;6, cross plate;7, support;8, drive assembly;801, first forward and reverse motor;802, first belt pulley;803, second belt pulley;804, transmission belt;9, laser thickness gauge body;10, second screw;11, moving assembly;1101, moving block;1102, fixed frame;1103, threaded rod;1104, guide rod;1105, rotating cap;12, moving groove;13, second forward and reverse motor;14, positioning column;15, limit cap;16, support column;17, notch groove;18, limit rod. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.
[0028] Please refer to Figures 1-8The utility model provides a kind of film thickness detection device for degradable optical film production, including base 1, the top of base 1 is equipped with two rectangular frames 2, two limit rollers 3 are rotationally equipped in the inside of rectangular frame 2, it is convenient to limit the guiding effect to the film body of delivery, the side of base 1 top is fixedly equipped with support plate 4, the top of support plate 4 is rotationally equipped with first screw rod 5, the bottom of first screw rod 5 is connected with cross plate 6 by screw nut thread, support 7 is fixedly equipped between the rectangular frame 2 at top and cross plate 6, by the rotation adjustment of first screw rod 5, in combination with screw nut, so that cross plate 6 and support 7 can be driven to move at vertical direction, so that the two limit rollers 3 at top are close to the two limit rollers 3 at bottom, can limit film body, and effectively reduce the energy consumption level of system, reduce the increase of cost;The side of support plate 4 top is equipped with drive assembly 8, one side above base 1 is equipped with laser thickness gauge body 9, laser thickness gauge body 9 is prior art equipment, can carry out thickness detection to film body;The inside of base 1 is rotationally equipped with second screw rod 10, and the surface of second screw rod 10 is equipped with moving assembly 11, by the setting moving assembly 11, so that laser thickness gauge body 9 can be driven to move at horizontal direction, and then the film body with narrow width can be detected, without the condition that film body thickness is completely located outside detection range, ensure that subsequent detection task is successfully completed.
[0029] Drive assembly 8 includes first forward-reverse motor 801, and first forward-reverse motor 801 is fixedly installed at the side of support plate 4 top, and the output shaft of first forward-reverse motor 801 is fixedly equipped with first belt pulley 802, and the top of first screw rod 5 is fixedly equipped with second belt pulley 803, and first belt pulley 802 and second belt pulley 803 are drivenly connected between transmission belt 804;By the setting drive assembly 8, using the component, first belt pulley 802 can be rotated by controlling first forward-reverse motor 801, in combination with the setting of transmission belt 804, so that second belt pulley 803 can be rotated, and then first screw rod 5 can be driven to rotate in forward and reverse directions, so that cross plate 6, support 7 and rectangular frame 2 at top can be driven to move at vertical direction, so that the two limit rollers 3 at top are close to the two limit rollers 3 at bottom, can limit film body, and effectively reduce the energy consumption level of system, reduce the increase of cost;
[0030] The moving assembly 11 comprises a moving block 1101 connected to the surface of the second lead screw 10 through a screw nut thread connection, one side of the top end of the base 1 is provided with a moving groove 12 movably matched with the moving block 1101, two limiting rods 18 are symmetrically and slidably arranged in the moving block 1101, the two ends of the limiting rod 18 are fixedly connected with the inner wall of the moving groove 12, the top end of the moving block 1101 is fixedly provided with a fixing frame 1102, the top end of the fixing frame 1102 is threadedly connected with a threaded rod 1103, the bottom end of the threaded rod 1103 is rotatably connected with the middle part of the top end of the laser thickness gauge body 9, the two sides of the top end of the laser thickness gauge body 9 are fixedly provided with guide rods 1104, the top end of the guide rod 1104 penetrates through the fixing frame 1102 and extends to the top of the fixing frame 1102, and the top end of the threaded rod 1103 is fixedly provided with a rotating cap 1105; through the moving assembly 11, the moving block 1101 can move along the surface of the second lead screw 10 by rotating the second lead screw 10 in the forward and reverse directions in combination with the limiting rod 18, so that the fixing frame 1102 can move in the horizontal direction, the laser thickness gauge body 9 at the threaded rod 1103 can move in the horizontal direction, and the film body with a relatively narrow width can be detected, so that the film body thickness is not completely located outside the detection range, and the subsequent detection task can be smoothly completed; secondly, the rotating cap 1105 drives the threaded rod 1103 to rotate in combination with the guide rod 1104, so that the height of the laser thickness gauge body 9 can be adjusted, and the use is more convenient;
[0031] The two sides of the horizontal plate 6 are slidably provided with positioning columns 14, the top end of the positioning column 14 is fixedly connected with the surface of the support plate 4, and the bottom end of the first lead screw 5 is fixedly provided with a limiting cap 15; the positioning column 14 slidably arranged at the horizontal plate 6 can conveniently limit and guide the movement of the horizontal plate 6; the limiting cap 15 arranged at the bottom end of the first lead screw 5 can limit the movement of the horizontal plate 6 during the movement of the first lead screw 5, and effectively prevent the horizontal plate 6 from being separated from the first lead screw 5;
[0032] The bottom end of the rectangular frame 2 at the bottom is fixedly provided with four support columns 16 uniformly spaced, the bottom end of the support column 16 is fixedly connected with the bottom end of the base 1, and one side of the rectangular frame 2 is provided with a notch groove 17; the four support columns 16 arranged at the bottom end of the rectangular frame 2 at the bottom are fixedly connected with the surface of the base 1, so as to fix the lower rectangular frame 2; the notch groove 17 arranged at one side of the rectangular frame 2 can facilitate the movement of the laser thickness gauge body 9 without any limitation;
[0033] The second positive and negative rotation motor 13 is fixed on one side of the base 1, and the output shaft of the second positive and negative rotation motor 13 is fixedly connected with one end of the second lead screw 10. The bottom end of the base 1 is provided with four support pads which are uniformly spaced. The second positive and negative rotation motor 13 arranged on the base 1 is controlled to work, so as to drive the second lead screw 10 to rotate forward or reversely. The support pads arranged on the base 1 can support the base 1.
[0034] In use, first, the film thickness detection device is placed at a suitable working site, and then the film body is placed between the two limiting rollers 3 at the top and the two limiting rollers 3 at the bottom. Then, the first positive and negative rotation motor 801 is controlled to drive the first belt pulley 802 to rotate, and the second belt pulley 803 is driven to rotate by the transmission belt 804, so as to drive the first lead screw 5 to rotate. The movement of the horizontal plate 6 is limited and guided by the lead screw nut and the positioning column 14. Then, the bracket 7 and the rectangular frame 2 at the top are moved in the vertical direction by the downward movement of the horizontal plate 6, so that the two limiting rollers 3 at the top are close to the two limiting rollers 3 at the bottom, and the film body is limited. The energy consumption of the system is effectively reduced, and the cost is reduced. The movement of the horizontal plate 6 is limited by the limiting cap 15 arranged at the bottom end of the first lead screw 5.
[0035] Then, the height of the laser thickness gauge body 9 is adjusted according to the needs. The threaded rod 1103 is driven to rotate by the rotating cap 1105, and the laser thickness gauge body 9 is moved in the vertical direction by the guide rod 1104, so that the height of the laser thickness gauge body 9 is adjusted. The thickness of the film body is measured. Then, the position of the laser thickness gauge body 9 is adjusted according to the width of the film body. The second lead screw 10 is driven to rotate by the second positive and negative rotation motor 13, and the moving block 1101 slides along the inner wall of the moving groove 12 under the limiting operation of the limiting rod 18, so that the fixing frame 1102 moves in the horizontal direction, and the laser thickness gauge body 9 moves towards the support plate 4. The film body with a narrow width is detected, and the film body thickness is completely outside the detection range. The subsequent detection task is completed smoothly. When the film body is wide, the second lead screw 10 is driven to rotate in the opposite direction by the second positive and negative rotation motor 13, and the above operation steps are repeated, so that the laser thickness gauge body 9 moves away from the support plate 4, and the thickness of the wide film body is measured. Then, the laser thickness gauge body 9 is controlled to work, and the thickness of the conveying film body is accurately measured. Whether the conveying film body meets the specifications can be detected.
[0036] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A film thickness detection device for degradable optical film production, comprising a base (1), characterized in that, The upper side of the base (1) is provided with two rectangular frames (2), the inside of the rectangular frame (2) is rotatably provided with two limiting rollers (3), one side of the top end of the base (1) is fixedly provided with a support plate (4), the top of the support plate (4) is rotatably provided with a first lead screw (5), the bottom of the first lead screw (5) is threadedly connected with a horizontal plate (6), a support (7) is fixedly arranged between the horizontal plate (6) and the top of the rectangular frame (2), one side of the top end of the support plate (4) is provided with a driving assembly (8), one side of the upper side of the base (1) is provided with a laser thickness gauge body (9), the inside of the base (1) is rotatably provided with a second lead screw (10), the surface of the second lead screw (10) is provided with a moving assembly (11).
2. The film thickness detecting apparatus for degradable optical film production according to claim 1, characterized by: The bottom end of the rectangular frame (2) located at the bottom is fixedly provided with four support columns (16) uniformly spaced, and the bottom end of the support column (16) is fixedly connected with the bottom end of the base (1), and one side of the rectangular frame (2) is provided with a notch groove (17).
3. The film thickness detecting apparatus for degradable optical film production according to claim 1, characterized by: The both sides of the horizontal plate (6) are slidably provided with positioning columns (14), and the top end of the positioning column (14) is fixedly connected with the surface of the support plate (4), and the bottom end of the first lead screw (5) is fixedly provided with a limiting cap (15).
4. The film thickness detecting apparatus for producing degradable optical films according to claim 1, characterized by: The driving assembly (8) comprises a first forward and reverse motor (801), the first forward and reverse motor (801) is fixedly installed on one side of the top end of the support plate (4), and the output shaft of the first forward and reverse motor (801) is fixedly provided with a first belt pulley (802).
5. The film thickness detecting apparatus for producing degradable optical films according to claim 4, characterized by: The top end of the first lead screw (5) is fixedly provided with a second belt pulley (803), and the first belt pulley (802) and the second belt pulley (803) are drivingly connected through a transmission belt (804) therebetween.
6. The film thickness detecting apparatus for producing degradable optical films according to claim 1, characterized by: The moving assembly (11) comprises a moving block (1101), the moving block (1101) is threadedly connected with the surface of the second lead screw (10), one side of the top end of the base (1) is provided with a moving groove (12) movably matched with the moving block (1101), and the inside of the moving block (1101) is symmetrically slidably provided with two limiting rods (18), and the both ends of the limiting rod (18) are fixedly connected with the inner wall of the moving groove (12).
7. The film thickness detecting apparatus for producing degradable optical films according to claim 6, characterized by: The top end of the moving block (1101) is fixedly provided with a fixing frame (1102), the top of the fixing frame (1102) is threadedly connected with a threaded rod (1103), the bottom end of the threaded rod (1103) is rotatably connected with the middle part of the top end of the laser thickness gauge body (9), the both sides of the top end of the laser thickness gauge body (9) are fixedly provided with guide rods (1104), the top end of the guide rod (1104) penetrates through the fixing frame (1102) and extends to the top of the fixing frame (1102), and the top end of the threaded rod (1103) is fixedly provided with a rotating cap (1105).
8. The film thickness detecting apparatus for producing degradable optical films according to claim 1, characterized by: One side of the base (1) is fixedly provided with a second forward and reverse motor (13), one end of the output shaft of the second forward and reverse motor (13) is fixedly connected with the second lead screw (10), and the bottom end of the base (1) is provided with four support pads uniformly spaced.
Citation Information
Patent Citations
High-precision optical film thickness detection device
CN217504690U