Sound insulation cotton thickness measuring device

Abstract

The utility model belongs to the technical field of sound insulation cotton production equipment, and particularly relates to a sound insulation cotton thickness measuring device which comprises a measuring table with the upper surface passing through sound insulation cotton, a measuring opening is formed in the measuring table in a penetrating mode, symmetrical mounting plates are fixed to the two sides of the measuring table, and laser displacement sensors are arranged at the upper end and the lower end of the measuring table respectively. The two laser displacement sensors are symmetrically arranged and vertically correspond to each other through a measuring port, a right-angle plate is fixed to each laser displacement sensor, fixing plates are fixed to the upper end and the lower end of the mounting plate on one side, and adjusting seats capable of being vertically adjusted are mounted on the fixing plates; it can be understood that the double laser displacement sensors which are oppositely arranged up and down are adopted, the thickness of the sound insulation cotton is measured in a non-contact mode, and contact deformation errors are avoided; the height of the sensor is independently adjusted to adapt to different thicknesses, accurate alignment of the sensor and the sensor is ensured through horizontal adjustment, meanwhile, sound insulation cotton with different widths can be adjusted and measured, and the flexibility and precision of measurement are both considered.

Description

Technical Field

[0001] This utility model belongs to the technical field of sound insulation cotton production equipment, and in particular relates to a sound insulation cotton thickness measuring device. Background Technology

[0002] Vehicle sound insulation cotton serves to insulate the interior and exterior of vehicles. Its main raw material is fiber cotton, which is woven into sheets by a weaving machine, then hot-pressed and shaped. Adhesive is then pressed onto both sides of the sound insulation cotton and embossed on one side. Finally, it is rolled up. After hot pressing and shaping, the thickness of the sound insulation cotton needs to be measured in real time so that the pressure, temperature or feed rate can be adjusted in real time to avoid it being too thick (wasting materials) or too thin (sound insulation failure).

[0003] In the production process of sound insulation cotton, real-time thickness measurement is a crucial quality control step. By monitoring the thickness online in real time, we can ensure that the product strictly meets the acoustic performance and physical specifications (such as flatness and installation compatibility). At the same time, we can adjust the production parameters in time to reduce waste, optimize the use of raw materials, improve efficiency, ensure batch consistency, and provide quality traceability, ultimately achieving product compliance and cost reduction and efficiency improvement.

[0004] Application No. 202223536196.5 discloses a sound insulation cotton thickness measuring device. The measurement method requires pressing down the sound insulation cotton and ensuring that the photoelectric sensor is not interfered with by external light. Although this method can measure thickness data, pressing down will cause the sound insulation cotton to deform, resulting in inaccurate measurement. Moreover, it cannot achieve continuous real-time monitoring. Small local thicknesses are prone to light leakage, while large thicknesses may cause material jamming, making it difficult to achieve real-time thickness measurement during the sound insulation cotton production process. Secondly, the position of the photoelectric sensor in this device is fixed and cannot be adjusted according to the width of the sound insulation cotton, resulting in poor adaptability. Utility Model Content

[0005] The purpose of this invention is to provide a sound insulation cotton thickness measuring device, which solves the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0007] This utility model relates to a sound insulation cotton thickness measuring device, comprising a measuring platform with sound insulation cotton passing through its upper surface, a measuring port extending through the measuring platform, symmetrical mounting plates fixed on both sides of the measuring platform, laser displacement sensors respectively mounted on the upper and lower ends of the measuring platform, two laser displacement sensors symmetrically arranged and corresponding to each other through the measuring port, each laser displacement sensor having a right-angle plate fixed on it, and a fixing plate fixed on the upper and lower ends of one side of the mounting plate, the fixing plate having a vertically adjustable adjusting seat mounted on it, the right-angle plate being mounted on the adjusting seat in a horizontally adjustable manner, the adjusting seat also having a first cylindrical gear mounted on it, and a second cylindrical gear rotatably mounted on the side of the mounting plate, capable of simultaneously meshing with the two first cylindrical gears, the first cylindrical gears also being adjustable along the axial direction of the second cylindrical gears.

[0008] Furthermore, a horizontal lead screw is fixed on the right-angle plate, and an internal threaded sleeve is rotatably provided in the adjusting seat and threadedly connected to the horizontal lead screw. A first gear is also fixed at one end of the external part of the internal threaded sleeve, and a second gear that meshes with the first gear is rotatably installed on the adjusting seat.

[0009] Furthermore, a C-shaped bracket for rotating the first cylindrical gear is fixed on the adjusting seat, a second bevel gear is fixed on the upper end of the first cylindrical gear, and the first bevel gear and the second bevel gear are meshed and connected on the second gear.

[0010] Furthermore, a drive gear that meshes with the second cylindrical gear is rotatably mounted on the side of the mounting plate via a bracket, and a second screw wheel is fixed to the upper end of the drive gear.

[0011] Furthermore, a horizontal guide rod is fixed on the right-angle plate, and a guide hole for sliding the horizontal guide rod is provided through the adjusting seat.

[0012] Furthermore, a vertical lead screw is rotatably mounted on the fixed plate, and a vertical threaded hole is provided through the adjusting seat to engage with the vertical lead screw. A first turning wheel is fixed at the top of the vertical lead screw.

[0013] Furthermore, symmetrical vertical guide rods are fixed on the fixing plate, and symmetrical guide sleeves are provided on both sides of the adjusting seat to slide with the vertical guide rods. The guide sleeves are provided with threaded clamping bolts along the radial direction.

[0014] This utility model has the following beneficial effects:

[0015] This invention uses two laser displacement sensors, one above the other, to achieve non-contact thickness measurement of the sound insulation cotton, thus avoiding deformation errors caused by contact measurement.

[0016] This invention enables independent height adjustment of two laser displacement sensors to accommodate the thickness measurement of sound insulation cotton of different thicknesses. It also enables horizontal adjustment of the two laser displacement sensors to adjust and measure sound insulation cotton of different widths, while ensuring that the two laser displacement sensors are always aligned, thus balancing flexible adjustment and measurement accuracy.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the overall appearance structure of this utility model;

[0020] Figure 2 for Figure 1 A structural diagram viewed from below at the rear;

[0021] Figure 3 A structural diagram of the main view;

[0022] Figure 4 This is a side view of the structure.

[0023] Figure 5 This is an enlarged structural schematic diagram of the adjusting seat and its connecting parts;

[0024] The attached diagram lists the components represented by each number as follows:

[0025] In the diagram: 1. Measuring platform; 11. Measuring port; 12. Mounting plate; 2. Laser displacement sensor; 3. Right-angle plate; 31. Horizontal lead screw; 32. Horizontal guide rod; 4. Fixing plate; 41. Vertical guide rod; 42. Vertical lead screw; 421. First screw wheel; 5. Adjusting seat; 51. Internal threaded sleeve; 511. Gear No. 1; 52. Guide hole; 53. Vertical threaded hole; 54. Guide sleeve; 541. Clamping bolt; 55. Gear No. 2; 551. First bevel gear; 56. C-shaped frame; 6. First cylindrical gear; 61. Second bevel gear; 7. Second cylindrical gear; 8. Drive gear; 81. Second screw wheel. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0027] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around" and other terms indicating orientation or positional relationship are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0028] Please see Figures 1-5 As shown, this utility model is a sound insulation cotton thickness measuring device, including a measuring platform 1 with sound insulation cotton on the upper surface, a measuring port 11 through the measuring platform 1, and symmetrical mounting plates 12 fixed on both sides of the measuring platform 1 for installation in an automated production line. More specifically, the measuring platform 1 can be installed after the hot pressing and shaping process and between the adhesive backing. Laser displacement sensors 2 are respectively provided at the upper and lower ends of the measuring platform 1. The two laser displacement sensors 2 are symmetrically arranged and correspond to each other through the measuring port 11. A right-angle plate 3 is fixed to each laser displacement sensor 2 by bolts. A fixing plate 4 is welded and fixed to the upper and lower ends of the mounting plate 12 on one side. An adjustable adjustment seat 5 that can be vertically adjusted is installed on the fixing plate 4. The right-angle plate 3 is installed on the adjustment seat 5 in a horizontally adjustable manner. A first columnar gear 6 is also installed on the adjustment seat 5. A second columnar gear 7 that can mesh with the two first columnar gears 6 simultaneously is rotatably installed on the side of the mounting plate 12.

[0029] Furthermore, the first cylindrical gear 6 can also be adjusted axially along the second cylindrical gear 7. Through this characteristic, even if the adjusting seat 5 drives the right-angle plate 3, the laser displacement sensor 2, and the first cylindrical gear 6 to adjust their vertical positions relative to the measuring platform 1 simultaneously, the first cylindrical gear 6 and the second cylindrical gear 7 can always maintain a meshing state. This ensures that the two laser displacement sensors 2 can be adjusted to maintain consistent horizontal orientation. The horizontal adjustment can accommodate the thickness measurement of sound insulation cotton of different thicknesses. More specifically, when the width of the sound insulation cotton is small, the two laser displacement sensors 2 can be adjusted to a position close to the middle of the measuring platform 1 to ensure that the laser is directly facing the sound insulation cotton. When the width of the sound insulation cotton is large, the laser displacement sensors 2 can be adjusted to the side of the measuring platform 1, allowing the thickness of the sound insulation cotton to be measured from different positions in the width direction.

[0030] Specifically, a horizontal lead screw 31 is fixed on the right-angle plate 3, and an internal threaded sleeve 51 is rotatably provided in the adjusting seat 5 and threadedly connected to the horizontal lead screw 31. A first gear 511 is also fixed to one end of the internal threaded sleeve 51. A second gear 55 that meshes with the first gear 511 is rotatably installed on the adjusting seat 5. The horizontal displacement of the laser displacement sensor 2 is realized through the threaded engagement of the internal threaded sleeve 51 and the internal threaded sleeve 51.

[0031] Furthermore, a C-shaped bracket 56 for rotating the first cylindrical gear 6 is fixed on the adjusting seat 5. A second bevel gear 61 is fixed on the upper end of the first cylindrical gear 6. A first bevel gear 551 is fixed on the second gear 55 and meshes with the second bevel gear 61. The internal threaded sleeve 51 is connected to the first cylindrical gear 6 through the first gear 511, the second gear 55 and the two bevel gears. The purpose is to drive the internal threaded sleeve 51 at the upper and lower ends to rotate synchronously after the second cylindrical gear 7 rotates. The laser displacement sensor 2 can be horizontally adjusted by the helical engagement of the internal threaded sleeve 51 with the horizontal lead screw 31.

[0032] Furthermore, a horizontal guide rod 32 is fixed on the right-angle plate 3, and a guide hole 52 for sliding the horizontal guide rod 32 is provided through the adjusting seat 5. The horizontal guide rod 32 and the guide hole 52 are used to form a support between the right-angle plate 3 and the adjusting seat 5 to ensure the horizontality of the laser displacement sensor 2, while ensuring the flexible spiral of the horizontal lead screw 31 and the internal threaded sleeve 51.

[0033] Specifically, the side of the mounting plate 12 is also rotatably mounted with a drive gear 8 that meshes with the second cylindrical gear 7 via a bracket. The upper end of the drive gear 8 is fixed with a second screw wheel 81. The drive gear 8 can avoid the adjustment path of the second screw wheel 81 at the manual operation end from the first cylindrical gear 6, thus preventing collisions that could cause injury to the human body.

[0034] Specifically, a vertical lead screw 42 is rotatably mounted on the fixed plate 4, and a vertical threaded hole 53 is provided through the adjusting seat 5 to engage with the vertical lead screw 42. A first screw wheel 421 is fixed on the top of the vertical lead screw 42. The purpose of engaging the vertical lead screw 42 with the vertical threaded hole 53 is to adjust the distance between the laser displacement sensor 2 and the sound insulation cotton to ensure precise coordination between the laser and the sound insulation cotton.

[0035] Furthermore, symmetrical vertical guide rods 41 are fixed on the fixing plate 4. Symmetrical guide sleeves 54 are provided on both sides of the adjusting seat 5 and slide in cooperation with the vertical guide rods 41. The guide sleeves 54 are provided with threaded clamping bolts 541 along the radial direction. After the clamping bolts 541 are screwed, they can squeeze the inner threaded sleeves 51, thereby enhancing the locking reliability of the laser displacement sensor 2 after height adjustment. The vertical guide rods 41 and guide sleeves 54 serve to stabilize the adjusting seat 5. At the same time, in order to intuitively know the vertical adjustment height, a scale can be set on the vertical guide rods 41.

[0036] It is understood that this utility model uses dual laser displacement sensors positioned vertically opposite each other to measure the thickness of the sound insulation cotton without contact, thus avoiding contact deformation errors. The sensor height can be independently adjusted to adapt to different thicknesses, and horizontal adjustment can be used to ensure that the two are accurately aligned. At the same time, it can adjust and measure sound insulation cotton of different widths, thus taking into account both the flexibility and accuracy of the measurement.

[0037] One specific application of this embodiment is as follows: Figure 1-4 This is the installation state of the measuring device. After installation, the two laser displacement sensors 2, arranged vertically, are equidistant from the sound insulation cotton. The working principle of the two laser displacement sensors 2 is as follows: the upper sensor emits a laser vertically downward to measure the distance D1 from the upper surface of the sound insulation cotton to the sensor; the lower sensor emits a laser vertically upward to measure the distance D2 from the lower surface of the sound insulation cotton to the sensor. Given that the fixed installation distance between the two sensors is H, the thickness T of the sound insulation cotton can be calculated by the formula: T=H−(D1+D2). By acquiring the values ​​of D1 and D2 in real time, the system can dynamically calculate the absolute thickness of the sound insulation cotton, which is suitable for high-precision non-contact measurement in automated production lines.

[0038] The height distance between a single laser displacement sensor 2 and the sound insulation cotton is adjusted as follows: Loosen the clamping bolt 541, and turn the vertical screw 42 through the first screw wheel 421. The vertical screw 42 drives the adjusting seat 5 to move up or down through the screw with the vertical threaded hole 53. The guide sleeve 54 slides outside the vertical guide rod 41. The first column gear 6 moves axially in the state of meshing with the second column gear 7. After the adjusting seat 5 moves, it drives the right angle plate 3 and the laser displacement sensor 2 to move synchronously, thereby adjusting the height distance between the laser displacement sensor 2 and the sound insulation cotton. After the adjustment is completed, tighten the clamping bolt 541. The clamping bolt 541 squeezes and locks the vertical guide rod 41.

[0039] The method for simultaneously adjusting the horizontal position of the two laser displacement sensors 2 on the sound insulation cotton is as follows: the second turning wheel 81 turns the driving gear 8, and the driving gear 8 drives the two first column gears 6 at the upper and lower ends to rotate simultaneously through the meshing of the second column gear 7. After the first column gear 6 rotates, it drives the second gear 55 to rotate through the meshing of the second bevel gear 61 and the first bevel gear 551. Then the second gear 55 meshes with the first gear 511, driving the internal thread sleeve 51 to rotate in place in the adjusting seat 5. The internal thread sleeve 51 drives the laser displacement sensor 2 and the right angle plate 3 to move in the horizontal direction through the screw of the horizontal lead screw 31. During the movement, the horizontal guide rod 32 slides in the guide hole 52, so that the two laser displacement sensors 2 arranged above and below can achieve synchronous adjustment of the horizontal orientation.

[0040] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0041] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A sound insulation cotton thickness measuring device, comprising a measuring platform (1) with sound insulation cotton passing through its upper surface, wherein a measuring port (11) is provided through the measuring platform (1), and symmetrical mounting plates (12) are fixed on both sides of the measuring platform (1), characterized in that: The measuring platform (1) is provided with laser displacement sensors (2) at its upper and lower ends respectively. The two laser displacement sensors (2) are arranged symmetrically and correspond to each other through the measuring port (11). Each laser displacement sensor (2) is fixed with a right angle plate (3). The upper and lower ends of the mounting plate (12) on one side are fixed with a fixing plate (4). The fixing plate (4) is equipped with a vertically adjustable adjustment seat (5). The right angle plate (3) is installed on the adjustment seat (5) in a horizontally adjustable manner. The adjustment seat (5) is also equipped with a first cylindrical gear (6). The mounting plate (12) is rotatably mounted with a second cylindrical gear (7) that can mesh with the two first cylindrical gears (6) at the same time. The first cylindrical gear (6) can also be adjusted along the axial direction of the second cylindrical gear (7).

2. The sound insulation cotton thickness measuring device according to claim 1, characterized in that: A horizontal lead screw (31) is fixed on the right-angle plate (3). An internal threaded sleeve (51) is rotatably provided in the adjusting seat (5) and threadedly connected to the horizontal lead screw (31). A first gear (511) is also fixed at one end of the external part of the internal threaded sleeve (51). A second gear (55) that meshes with the first gear (511) is rotatably installed on the adjusting seat (5).

3. The sound insulation cotton thickness measuring device according to claim 2, characterized in that: The adjusting seat (5) is fixed with a C-shaped frame (56) for rotating the first cylindrical gear (6). The upper end of the first cylindrical gear (6) is fixed with a second bevel gear (61). The second gear (55) is fixed with a first bevel gear (551) meshing with the second bevel gear (61).

4. The sound insulation cotton thickness measuring device according to claim 1, characterized in that: The mounting plate (12) is also rotatably mounted on the side via a bracket, with a drive gear (8) meshing with the second cylindrical gear (7), and a second screw wheel (81) fixed at the upper end of the drive gear (8).

5. The sound insulation cotton thickness measuring device according to claim 2, characterized in that: A horizontal guide rod (32) is also fixed on the right-angle plate (3), and a guide hole (52) for sliding the horizontal guide rod (32) is provided through the adjusting seat (5).

6. The sound insulation cotton thickness measuring device according to claim 1, characterized in that: A vertical screw (42) is rotatably mounted on the fixed plate (4). A vertical threaded hole (53) is provided through the adjusting seat (5) to engage with the vertical screw (42). A first screw wheel (421) is fixed at the top of the vertical screw (42).

7. The sound insulation cotton thickness measuring device according to claim 6, characterized in that: The fixed plate (4) is also fixed with symmetrical vertical guide rods (41). The adjusting seat (5) has symmetrical guide sleeves (54) on both sides that slide with the vertical guide rods (41). The guide sleeves (54) are provided with threaded clamping bolts (541) along the radial direction.

Images