A laser measuring instrument for acrylic sheet production and processing and a method of using the same

Abstract

The application provides a laser measuring instrument for acrylic plate production and processing and a use method thereof, and belongs to the field of acrylic plate production and processing detection. The laser measuring instrument comprises a concave-shaped frame, a track plate, an electric telescopic rod, a sliding plate, a vertical plate, a protective box and a linear laser measuring device. The linear laser measuring device is fixedly installed on the inner side of the protective box, a blowing assembly is installed on the upper part of the interior, an exhaust dust outlet is formed at the bottom end of the protective box, and an air inlet channel and a filtering assembly are further installed on the protective box. When in use, the acrylic plate passes below the protective box at a constant speed, the linear laser measuring device performs scanning measurement, the blowing assembly blows air downward, the surface of the plate is swept and dusted in real time, and air flows through the gaps on the two sides of the linear laser measuring device to realize synchronous heat dissipation. Negative pressure is generated in the interior of the protective box, dust-containing air outside is sucked in through the air inlet channel, and the air is blown out again after being filtered and purified to form internal circulation of air flow, the detection is realized while dust is blown, dust interference and secondary pollution are prevented, the heat dissipation problem of the linear laser measuring device is solved synchronously, and the measurement accuracy and the service life of the equipment are improved.

Description

Technical Field

[0001] This application relates to the field of acrylic sheet production, processing and testing technology, and in particular to a laser measuring instrument for acrylic sheet production and processing and its usage method. Background Technology

[0002] During the production and processing of acrylic sheets (plexiglass sheets), precise measurements of dimensional parameters such as thickness, flatness, and warpage are necessary to ensure product quality and processing accuracy. Laser measurement technology, due to its advantages of non-contact operation, high precision, and high efficiency, has been widely applied in the inspection of sheet products.

[0003] In the process of laser inspection of acrylic sheets, the cleanliness of the sheet surface is one of the key factors affecting the measurement accuracy. Acrylic sheets are very easy to be contaminated with dust, debris and other tiny particles during production, cutting and handling. When the laser beam shines on the surface of the sheet, these particles will scatter or block the laser signal, causing the measurement spot to be distorted or the signal intensity to be attenuated, thus causing the measurement data to be distorted and seriously affecting the accuracy and reliability of the test results.

[0004] To address the aforementioned issues, existing technologies typically employ a separate cleaning station before measurement, using methods such as brushing or blowing to pre-treat and remove dust from the board surface. However, these methods still have several shortcomings:

[0005] First, the separate setup of the cleaning and measuring stations means that the acrylic sheets are prone to re-adsorbing suspended dust from the environment during the transfer from the cleaning station to the measuring station, causing secondary pollution and significantly reducing the effectiveness of the initial cleaning. Second, separating cleaning and measuring into two independent stations results in a larger overall space occupied by the equipment, prolonging the process flow and hindering the efficient and compact layout of the production line. Third, the use of physical contact cleaning methods such as brush rollers poses a risk of scratching the surface of the acrylic sheets, affecting the product's appearance quality. On the other hand, the use of open-type air-blowing dust removal can easily cause dust to fly and spread, polluting the working environment, and there is no way to effectively collect and treat the dust.

[0006] In addition, the line laser measuring instrument continuously generates heat during operation. If the heat cannot be dissipated in time, the laser temperature will rise, affecting the stability of the laser output power and the measurement accuracy, and shortening the service life of the equipment. Existing measuring equipment generally lacks effective heat dissipation design for the laser measuring instrument itself, especially when integrating dust removal function, the heat dissipation requirements of the measuring instrument itself are often ignored.

[0007] Therefore, a laser measuring instrument for acrylic sheet production and processing and its usage method are designed to solve the above problems. Summary of the Invention

[0008] In view of this, the purpose of this application is to provide a laser measuring instrument for acrylic sheet production and processing and its usage method, so as to solve the problems of secondary pollution on the surface of the sheet and easy dust accumulation on the laser lens in the above-mentioned background art.

[0009] To solve the above-mentioned technical problems, this application provides the following technical solution:

[0010] A laser measuring instrument for acrylic sheet production and processing includes: an inverted concave frame, a track plate, an electric telescopic rod, a sliding plate, vertical plates, a protective box, and a line laser measuring device. The track plate is fixedly installed on the lower inner side of the inverted concave frame. An electric telescopic rod is fixedly installed on the right end of the inverted concave frame. A sliding plate is fixedly installed at the output end of the electric telescopic rod, and the sliding plate slides on two track plates. Vertical plates are fixedly installed on both sides of the center of the upper surface of the inverted concave frame. A protective box is fixedly installed between the two vertical plates. A line laser measuring device is fixedly installed inside the protective box. A blowing assembly is installed at the upper interior of the protective box. An exhaust dust removal port is opened at the bottom of the protective box. An air inlet channel and a filter assembly are also installed on the protective box. The blowing assembly, air inlet channel, filter assembly, and exhaust dust removal port cooperate to form an airflow circulation path. The filter assembly is used to filter the airflow entering the protective box through the air inlet channel.

[0011] Preferably, the thickness of the line laser measuring device is less than the internal width of the protective box, and the distance between the two side surfaces of the line laser measuring device and the inner sidewall of the protective box is the same.

[0012] Preferably, the exhaust dust removal port is located in the center of the bottom wall of the protective box, and the cross-section of the exhaust dust removal port is an isosceles trapezoidal shape that is narrower at the bottom and wider at the top, and the lower port diameter of the exhaust dust removal port is smaller than the internal width of the protective box; the laser emitter and laser receiver of the line laser measuring device are both positioned directly opposite the exhaust dust removal port.

[0013] Preferably, the blower assembly includes a mounting plate, mounting holes, and a fan. The mounting plate is fixedly installed on the upper inner side of the protective box, and multiple mounting holes are provided on the mounting plate. A fan is fixedly installed in each of the multiple mounting holes.

[0014] Preferably, the air inlet channel is an inverted L-shaped air inlet groove, and inverted L-shaped air inlet grooves are provided on both the left and right sides of the bottom surface of the protective box, with the top of the inverted L-shaped air inlet groove extending through to the upper interior of the protective box.

[0015] Preferably, the filtration assembly includes a water tank, belt rollers, and belt screens. The water tank is fixedly installed on the side of the protective box. Multiple belt rollers are rotatably installed inside both the protective box and the water tank. Belt screens are sleeved on the multiple belt rollers. A water inlet pipe is installed through the top of the water tank, and a sealing plug is embedded in the water inlet pipe. A drain valve is installed through the bottom of the water tank.

[0016] Preferably, a through groove is provided between the protective box and the top of the water tank for the belt screen to pass through. The width of the belt screen is equal to the internal width of the protective box, and the belt screen completely blocks the upper inner side of the protective box. A part of the belt screen passes through the through groove into the water tank and extends into the lower inner side of the water tank. A belt roller located above the water tank passes through the outside of the water tank, and the outer end of the belt roller is connected to a handle.

[0017] Preferably, the horizontal height of the belt screen is lower than the penetration point between the top of the inverted L-shaped air inlet slot and the protective box, and the horizontal height of the belt screen is higher than the horizontal height of the blower assembly.

[0018] Preferably, rollers are fixedly installed at the four corners of the bottom surface of the sliding plate, the rollers roll on the track plate, the width of the sliding plate is equal to the internal width of the inverted concave frame, and a rubber suction cup is embedded in the upper surface of the sliding plate.

[0019] A method for using a laser measuring instrument for acrylic sheet production and processing:

[0020] S0. Before use, open the sealing plug and inject clean water into the water tank through the water inlet pipe, so that the water level in the water tank is at least submerged in the belt screen part that extends into the lower part of the water tank. Then tighten the sealing plug.

[0021] S1. Place the acrylic sheet to be measured on the upper surface of the sliding plate, and move the acrylic sheet to the left through the sliding plate so that the acrylic sheet passes under the protective box.

[0022] S2. The line laser measuring device inside the protective box performs line laser scanning measurement on the upper surface of the acrylic sheet. Combined with the uniform movement of the sliding plate, it achieves comprehensive scanning and detection of the acrylic sheet surface.

[0023] S3. During the measurement process, the fan on the blowing assembly blows air downwards, and the airflow is blown out through the exhaust dust removal port and blown onto the upper surface of the acrylic plate, blowing away the dust on the upper surface of the acrylic plate, realizing simultaneous dust blowing and detection. At the same time, the airflow passes through the gap between the line laser measuring device and the inner wall of the protective box to dissipate heat from the line laser measuring device.

[0024] S4. When the fan blows air downwards, a negative pressure is generated inside the protective box. External air enters the protective box through the bottom of the inverted L-shaped air inlet groove, and draws the dust-laden gas raised at the exhaust dust removal port to the top of the protective box.

[0025] S5. After the dust-laden gas is filtered by the belt screen, the dust is trapped on the upper surface of the belt screen, and the clean air is blown downwards again by the fan to form a cycle.

[0026] S6. When dust accumulates on the surface of the belt screen and needs to be cleaned, rotate the handle. The handle drives the belt roller connected to it to rotate, driving the belt screen to circulate. The dusty part enters the water tank through the through groove, and the water in the water tank cleans the belt screen.

[0027] S7. After cleaning, open the drain valve to discharge the sewage, and add clean water into the water tank through the inlet pipe to complete the replacement of the cleaning solution.

[0028] Compared with the prior art, this application has at least the following advantages:

[0029] In this invention, by incorporating a protective enclosure, an exhaust vent, a blower assembly, an air inlet channel, and a filter assembly, the protective enclosure provides comprehensive physical protection for the line laser measuring device, preventing damage from dust, debris, and accidental impacts in the external environment. Simultaneously, the blower assembly blows air downwards, and the airflow passes through the gaps on both sides between the line laser measuring device and the inner wall of the protective enclosure before exiting through the exhaust vent. This creates a continuously downward positive pressure air curtain at the exhaust vent, cleaning the acrylic sheet surface and ensuring its cleanliness during measurement. This prevents dust from scattering or obstructing the laser signal, thus avoiding data distortion. Furthermore, when the blower assembly blows downwards, the protective enclosure... An internal negative pressure is generated, and external air enters the protective box through the air inlet channel. After being filtered and purified by the filter components, the clean air is blown downwards again by the blower components, forming an internal airflow circulation. This effectively prevents dust from spreading to the surrounding environment and causing secondary pollution during the blowing process, while simultaneously achieving measurement, dust removal, and air purification. In addition, the plate is always located below the protective box during the measurement process, enabling simultaneous dust blowing and testing. This avoids the secondary pollution problem caused by workstation changes in the traditional cleaning-then-testing mode. At the same time, the airflow carries away the heat generated by the laser as it passes through the gaps on both sides of the line laser measuring device, achieving synchronous heat dissipation for the line laser measuring device and extending the service life of the equipment.

[0030] In this invention, by setting the air inlet channel as an inverted L-shaped air inlet slot, the fan blows air downwards to create negative pressure inside the protective box, and external air enters from the bottom opening of the inverted L-shaped air inlet slot. The bottom opening of the inverted L-shaped air inlet slot is located on both sides of the exhaust dust removal port, which can draw in the dust-laden gas raised by the exhaust dust removal port at close range and efficiently, realizing the simultaneous operation of blowing and suction, and effectively reducing the secondary pollution caused by dust diffusion.

[0031] In this invention, by incorporating a filter assembly, the belt screen completely blocks the upper interior of the protective box. Dust-laden gas entering the upper interior of the protective box must pass entirely through the belt screen for filtration, ensuring that dust in the airflow is completely intercepted. This keeps the airflow entering the fan and being blown downwards clean, guaranteeing that the airflow discharged from the exhaust dust removal port is dust-free, avoiding secondary pollution of the acrylic sheet surface, and reducing the dust content in the workshop environment. This achieves circulating filtration and dust removal of the airflow.

[0032] In this invention, a portion of the belt screen passes through a through-slot into a water tank and extends to the lower inner side of the tank. Clean water is added to the tank, allowing it to thoroughly soak the belt screen. When dust accumulates on the surface of the belt screen and cleaning is needed, simply turning the handle rotates the belt roller, causing the belt screen to move. This allows the dust-covered screen portion to pass through the through-slot into the water tank, where the water cleans the screen. The cleaned screen portion then returns to the protective box for continued filtration. The belt screen can be cleaned online without disassembly, making it convenient and efficient to maintain. Furthermore, the water tank has an inlet pipe and sealing plug at the top, and a drain valve at the bottom, facilitating regular replacement of the cleaning water and ensuring effective cleaning.

[0033] In this invention, by incorporating rollers and rubber suction cups, the rollers roll on the track plate, reducing the friction between the sliding plate and the track plate during movement. This makes the movement of the sliding plate smoother and more stable, which is beneficial for the line laser measuring instrument to perform continuous and uniform scanning and detection of the acrylic plate surface. This improves the accuracy and stability of the measurement data. Furthermore, after the acrylic plate is placed on the upper surface of the sliding plate, the rubber suction cups can adsorb and fix the acrylic plate, preventing it from shifting or shaking during movement and measurement, thus ensuring the accuracy and consistency of the measurement position. Attached Figure Description

[0034] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the present disclosure and, together with the specification, further serve to explain the principles of the present disclosure and enable those skilled in the art to implement and use the present disclosure.

[0035] Figure 1 This is a three-dimensional schematic diagram of the overall structure in this application;

[0036] Figure 2 This is a schematic diagram of the three-dimensional structure of the sliding plate in this application.

[0037] Figure 3 This is a schematic diagram of the three-dimensional structure of the protective box in this application;

[0038] Figure 4 This is a schematic diagram of the inner vertical section of the three-dimensional structure of the protective box in this application;

[0039] Figure 5 This is a bottom view of the three-dimensional structure of the protective box in this application;

[0040] Figure 6 This is a vertically sectional schematic diagram of the three-dimensional structure of the protective box in this application;

[0041] Figure 7 This is a three-dimensional structural diagram of the blower assembly in this application;

[0042] Figure 8 This is a three-dimensional schematic diagram of a partial structure in this application.

[0043] [Figure Labels]

[0044] 1. Inverted concave frame; 101. Track plate; 2. Electric telescopic rod; 3. Sliding plate; 301. Roller; 302. Rubber suction cup; 4. Vertical plate; 5. Protective box; 501. Exhaust and dust removal port; 502. Inverted L-shaped air inlet slot; 6. Line laser measuring instrument; 7. Mounting plate; 701. Mounting hole; 702. Fan; 8. Water tank; 801. Water inlet pipe; 802. Drain valve; 803. Sealing plug; 9. Belt roller; 10. Belt screen; 11. Rotary handle. Detailed Implementation

[0045] The following describes in detail a laser measuring instrument for acrylic sheet production and processing and its usage method, with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments; those skilled in the art can also use other alternative methods to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this application.

[0046] like Figure 1 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown in the embodiment of this application, a laser measuring instrument for acrylic sheet production and processing is provided, including: an inverted concave frame 1, a track plate 101, an electric telescopic rod 2, a sliding plate 3, a vertical plate 4, a protective box 5, and a line laser measuring device 6. The track plate 101 is fixedly installed on the lower inner side of the inverted concave frame 1. The electric telescopic rod 2 is fixedly installed on the right end of the inverted concave frame 1. The sliding plate 3 is fixedly installed on the output end of the electric telescopic rod 2, and the sliding plate 3 slides on the two track plates 101. The upper surface of the inverted concave frame 1 is fixed on both sides of the center. A vertical plate 4 is fixedly installed, and a protective box 5 is fixedly installed between the two vertical plates 4. A wired laser measuring device 6 is fixedly installed inside the protective box 5. A blower assembly is installed on the upper part of the interior of the protective box 5. An exhaust dust removal port 501 is opened at the bottom of the protective box 5. An air inlet channel and a filter assembly are also installed on the protective box 5. The blower assembly, air inlet channel, filter assembly and exhaust dust removal port 501 work together to form an airflow circulation path. The filter assembly is used to filter the airflow entering the protective box 5 through the air inlet channel.

[0047] In this embodiment, the thickness of the line laser measuring device 6 is less than the internal width of the protective box 5, and the distance between the two side surfaces of the line laser measuring device 6 and the inner wall of the protective box 5 is the same, so that there is a distance between the line laser measuring device 6 and the inner wall of the protective box 5, which facilitates the airflow blown out by the air blowing assembly to pass through the gap between the line laser measuring device 6 and the inside of the protective box 5, thereby achieving the effect of heat dissipation for the line laser measuring device 6.

[0048] In this embodiment, the exhaust dust removal port 501 is located in the center of the bottom wall of the protective box 5. The cross-section of the exhaust dust removal port 501 is an isosceles trapezoidal shape that is narrow at the bottom and wide at the top. The lower port diameter of the exhaust dust removal port 501 is smaller than the internal width of the protective box 5, which makes the airflow accelerate at the outlet by reducing the cross-sectional area and enhancing the dust removal ability on the surface of the plate. The laser emitter and laser receiver of the line laser measuring device 6 are both positioned directly opposite the exhaust dust removal port 501 to ensure the normal measurement of the line laser measuring device 6.

[0049] Reference Figure 7 As shown in this embodiment, the blowing assembly includes a mounting plate 7, mounting holes 701, and a fan 702. The mounting plate 7 is fixedly installed on the upper inner side of the protective box 5. The mounting plate 7 has multiple mounting holes 701, and a fan 702 is fixedly installed in each of the multiple mounting holes 701. This allows the fan 702 to blow air downwards, thereby discharging the gas inside the protective box 5 from the exhaust dust removal port 501 and achieving the effect of blowing off the dust from the upper surface of the acrylic sheet to be tested.

[0050] By incorporating a protective enclosure 5, an exhaust and dust removal port 501, a blower assembly, an air inlet channel, and a filter assembly, the protective enclosure 5 provides enclosed physical protection for the line laser measuring device 6, preventing damage from dust, debris, and accidental collisions in the external environment. Simultaneously, the blower 702 on the blower assembly blows air downwards, and the airflow passes through the gaps on both sides between the line laser measuring device 6 and the inner wall of the protective enclosure 5 before exiting through the exhaust and dust removal port 501. This creates a continuously downward positive pressure air curtain at the exhaust and dust removal port 501, cleaning and removing dust from the acrylic sheet surface. This ensures the sheet surface remains clean during measurement, preventing dust from scattering or obstructing the laser signal and causing measurement data distortion. Furthermore, when the blower assembly blows air downwards... The protective box 5 generates negative pressure, allowing outside air to enter through the air inlet channel. After being filtered and purified by the filter assembly, the clean air is blown downwards again by the blower assembly, forming an internal airflow circulation. This effectively prevents dust from spreading to the surrounding environment and causing secondary pollution during the blowing process, while simultaneously achieving measurement, dust removal, and air purification. In addition, the plate remains below the protective box 5 during the measurement process, enabling simultaneous dust blowing and testing. This avoids the secondary pollution problem caused by workstation changes in the traditional cleaning-then-testing mode. At the same time, the airflow carries away the heat generated by the laser as it passes through the gaps on both sides of the line laser measuring device 6, achieving synchronous heat dissipation for the line laser measuring device 6 and extending the service life of the equipment.

[0051] Reference Figure 4 As shown in this embodiment, the air inlet channel is an inverted L-shaped air inlet groove 502. Inverted L-shaped air inlet grooves 502 are provided on both the left and right sides of the bottom surface of the protective box 5. The top of the inverted L-shaped air inlet groove 502 extends to the upper part of the interior of the protective box 5, so that the airflow inside the protective box 5 can be replenished through the inverted L-shaped air inlet groove 502. The inverted L-shaped air inlet groove 502 extends through the bottom left and right sides of the protective box 5, so that the inverted L-shaped air inlet groove 502 can be used for close-range dust suction.

[0052] By setting the air inlet channel as an inverted L-shaped air inlet slot 502, the fan 702 blows air downwards to create negative pressure inside the protective box 5. External air enters from the bottom opening of the inverted L-shaped air inlet slot 502. The bottom opening of the inverted L-shaped air inlet slot 502 is located on both sides of the exhaust dust removal port 501, which can draw in the dust-laden gas raised by the exhaust dust removal port 501 at close range and efficiently, realizing the simultaneous blowing and suction of dust, and effectively reducing the secondary pollution caused by dust diffusion.

[0053] Reference Figure 6 and Figure 8As shown, in this embodiment, the filter assembly includes a water tank 8, belt rollers 9, and belt screens 10. The water tank 8 is fixedly installed on the side of the protective box 5. Multiple belt rollers 9 are rotatably arranged inside both the protective box 5 and the water tank 8. Belt screens 10 are sleeved on the multiple belt rollers 9. A water inlet pipe 801 is provided through the top of the water tank 8. A sealing plug 803 is embedded in the water inlet pipe 801. A drain valve 802 is provided through the bottom of the water tank 8.

[0054] In this embodiment, a through groove is provided between the protective box 5 and the upper part of the water tank 8 for the belt screen 10 to pass through. The width of the belt screen 10 is equal to the internal width of the protective box 5, and the belt screen 10 completely blocks the upper inner side of the protective box 5. A part of the belt screen 10 passes through the through groove into the water tank 8 and extends into the lower inner side of the water tank 8. A belt roller 9 located above the water tank 8 passes through the outside of the water tank 8, and the outer end of the belt roller 9 is connected to a handle 11.

[0055] In this embodiment, the horizontal height of the belt screen 10 is lower than the penetration point between the top of the inverted L-shaped air inlet groove 502 and the protective box 5, and the horizontal height of the belt screen 10 is higher than the horizontal height of the blowing assembly. This means that the gas and dust entering the top of the inner side of the protective box 5 through the inverted L-shaped air inlet groove 502 need to be filtered by the belt screen 10 before being discharged from the exhaust dust removal port 501. The belt screen 10 is a stainless steel wire woven mesh, and the mesh count of the belt screen 10 is 200-400 mesh.

[0056] With the filter assembly in place, the belt screen 10 completely blocks the upper interior of the protective box 5. Dust-laden gas entering the upper interior of the protective box 5 must pass through the belt screen 10 for filtration before it can pass through. This ensures that the dust in the airflow is completely intercepted, thus keeping the airflow that enters the fan 702 and is blown downwards clean. This ensures that the airflow discharged from the exhaust dust removal port 501 is dust-free, avoiding secondary pollution of the acrylic sheet surface. At the same time, it reduces the dust content in the workshop environment and achieves airflow circulation filtration and dust removal.

[0057] By passing a portion of the belt screen 10 through a through groove into the water tank 8 and extending it into the lower inner side of the water tank 8, clean water is added to the water tank 8, allowing the clean water to thoroughly soak the belt screen 10 inside the water tank 8. When dust accumulates on the surface of the belt screen 10 and cleaning is required, simply turn the handle 11 to drive the belt roller 9 to rotate, driving the belt screen 10 to move, so that the dusty screen part enters the water tank 8 through the through groove. The water in the water tank 8 cleans the belt screen 10. The cleaned portion of the belt screen 10 returns to the protective box 5 to continue filtering. The cleaning of the belt screen 10 can be completed online without disassembly, which is convenient to operate and has high maintenance efficiency. At the same time, the top of the water tank 8 is equipped with a water inlet pipe 801 and a sealing plug 803, and the bottom is equipped with a drain valve 802, which facilitates the regular replacement of cleaning water and ensures the cleaning effect.

[0058] Reference Figure 2 As shown in this embodiment, rollers 301 are fixedly installed at the four corners of the bottom surface of the sliding plate 3. The rollers 301 roll on the track plate 101. The width of the sliding plate 3 is equal to the internal width of the inverted concave frame 1. A rubber suction cup 302 is embedded in the upper surface of the sliding plate 3.

[0059] With the rollers 301 and rubber suction cups 302, the rollers 301 roll on the track plate 101, reducing the friction between the sliding plate 3 and the track plate 101 when it moves, making the movement of the sliding plate 3 smoother and more stable. This is beneficial for the line laser measuring instrument 6 to perform continuous and uniform scanning and detection on the surface of the acrylic plate, improving the accuracy and stability of the measurement data. After the acrylic plate is placed on the upper surface of the sliding plate 3, the rubber suction cups 302 can adsorb and fix the acrylic plate, preventing the acrylic plate from shifting or shaking during movement and measurement, thus ensuring the accuracy and consistency of the measurement position.

[0060] A method for using a laser measuring instrument for acrylic sheet production and processing:

[0061] S0. Before use, open the sealing plug 803 and inject clean water into the water tank 8 through the water inlet pipe 801, so that the water level in the water tank 8 is at least submerged in the belt screen 10 extending into the lower part of the inner side of the water tank 8, and then tighten the sealing plug 803.

[0062] S1. Place the acrylic sheet to be measured on the upper surface of the sliding plate 3, and move the acrylic sheet to the left by the sliding plate 3 so that the acrylic sheet passes under the protective box 5.

[0063] S2. The line laser measuring device 6 inside the protective box 5 performs line laser scanning measurement on the upper surface of the acrylic sheet. With the uniform movement of the sliding plate 3, a comprehensive scanning inspection of the acrylic sheet surface is achieved.

[0064] S3. During the measurement process, the blower 702 on the blowing assembly blows air downwards. The airflow is blown out through the exhaust dust removal port 501 and blown onto the upper surface of the acrylic plate, blowing away the dust on the upper surface of the acrylic plate, realizing simultaneous dust removal and detection. At the same time, the airflow passes through the gap between the line laser measuring device 6 and the inner wall of the protective box 5, realizing heat dissipation for the line laser measuring device 6.

[0065] S4. When the fan 702 blows air downwards, a negative pressure is generated inside the protective box 5. External air enters the protective box 5 through the bottom of the inverted L-shaped air inlet groove 502, and sucks the dust-laden gas raised at the exhaust dust removal port 501 to the top of the protective box 5.

[0066] S5. After the dust-laden gas is filtered by the belt screen 10, the dust is trapped on the upper surface of the belt screen 10, and the clean air is blown downwards again by the fan 702 to form a cycle.

[0067] S6. When dust accumulates on the surface of the belt screen 10 and needs to be cleaned, rotate the handle 11. The handle 11 drives the belt roller 9 connected to it to rotate, driving the belt screen 10 to circulate. The dusty part enters the water tank 8 through the through groove, and the water in the water tank cleans the belt screen 10.

[0068] S7. After cleaning, open the drain valve 802 to discharge the sewage, and add clean water into the water tank 8 through the water inlet pipe 801 to complete the replacement of the cleaning solution.

[0069] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A laser measuring instrument for acrylic sheet production and processing, characterized in that, include: The inverted concave frame (1), track plate (101), electric telescopic rod (2), sliding plate (3), vertical plate (4), protective box (5), and line laser measuring device (6) are provided. The track plate (101) is fixedly installed on the lower inner side of the inverted concave frame (1). The electric telescopic rod (2) is fixedly installed on the right end of the inverted concave frame (1). The sliding plate (3) is fixedly installed on the output end of the electric telescopic rod (2), and the sliding plate (3) slides on the two track plates (101). Vertical plates (4) are fixedly installed on both sides of the center of the upper surface of the inverted concave frame (1). (4) A protective box (5) is fixedly installed between them. A wired laser measuring device (6) is fixedly installed inside the protective box (5). A blower assembly is installed on the upper part of the interior of the protective box (5). An exhaust dust removal port (501) is opened at the bottom of the protective box (5). An air inlet channel is also installed on the protective box (5). A filter assembly is also installed on the protective box (5). The blower assembly, air inlet channel, filter assembly and exhaust dust removal port (501) cooperate to form an airflow circulation path. The filter assembly is used to filter the airflow entering the protective box (5) through the air inlet channel.

2. The laser measuring instrument for acrylic sheet production and processing according to claim 1, characterized in that: The thickness of the line laser measuring device (6) is less than the internal width of the protective box (5), and the distance between the two side surfaces of the line laser measuring device (6) and the inner sidewall of the protective box (5) is the same.

3. The laser measuring instrument for acrylic sheet production and processing according to claim 2, characterized in that: The exhaust dust removal port (501) is located in the center of the bottom wall of the protective box (5). The cross-section of the exhaust dust removal port (501) is an isosceles trapezoidal shape that is narrow at the bottom and wide at the top. The lower port diameter of the exhaust dust removal port (501) is smaller than the internal width of the protective box (5). The laser emitter and laser receiver of the line laser measuring instrument (6) are both positioned directly opposite the exhaust dust removal port (501).

4. The laser measuring instrument for acrylic sheet production and processing according to claim 3, characterized in that: The blower assembly includes a mounting plate (7), mounting holes (701) and a blower (702). The mounting plate (7) is fixedly installed on the upper inner side of the protective box (5). Multiple mounting holes (701) are provided on the mounting plate (7), and blowers (702) are fixedly installed in each of the multiple mounting holes (701).

5. The laser measuring instrument for acrylic sheet production and processing according to claim 4, characterized in that: The air intake channel is an inverted L-shaped air intake groove (502). The bottom surface of the protective box (5) is provided with inverted L-shaped air intake grooves (502) on both the left and right sides. The top of the inverted L-shaped air intake groove (502) extends through to the upper part of the interior of the protective box (5).

6. The laser measuring instrument for acrylic sheet production and processing according to claim 1, characterized in that: The filter assembly includes a water tank (8), belt rollers (9) and belt screens (10). The water tank (8) is fixedly installed on the side of the protective box (5). Multiple belt rollers (9) are rotatably installed inside both the protective box (5) and the water tank (8). Belt screens (10) are sleeved on the multiple belt rollers (9). A water inlet pipe (801) is installed through the top of the water tank (8). A sealing plug (803) is embedded in the water inlet pipe (801). A drain valve (802) is installed through the bottom of the water tank (8).

7. The laser measuring instrument for acrylic sheet production and processing according to claim 6, characterized in that: A through slot is provided between the protective box (5) and the water tank (8) for the belt screen (10) to pass through. The width of the belt screen (10) is equal to the internal width of the protective box (5), and the belt screen (10) completely blocks the upper inner side of the protective box (5). A part of the belt screen (10) passes through the through slot into the water tank (8) and extends into the lower inner side of the water tank (8). A belt roller (9) located above the water tank (8) passes through the outside of the water tank (8), and the outer end of the belt roller (9) is connected to a handle (11).

8. The laser measuring instrument for acrylic sheet production and processing according to claim 7, characterized in that: The horizontal height of the belt screen (10) is lower than the penetration point between the top of the inverted L-shaped air inlet slot (502) and the protective box (5), and the horizontal height of the belt screen (10) is higher than the horizontal height of the blower assembly.

9. The laser measuring instrument for acrylic sheet production and processing according to claim 1, characterized in that: Rollers (301) are fixedly installed at the four corners of the bottom surface of the sliding plate (3). The rollers (301) roll on the track plate (101). The width of the sliding plate (3) is equal to the internal width of the inverted concave frame (1). A rubber suction cup (302) is embedded in the upper surface of the sliding plate (3).

10. The method of using the laser measuring instrument for acrylic sheet production and processing according to any one of claims 1-9, characterized in that, Includes the following steps: S0. Before use, open the sealing plug (803) and inject clean water into the water tank (8) through the water inlet pipe (801) so that the water level in the water tank (8) is at least submerged in the belt screen (10) extending into the lower part of the inside of the water tank (8), and then tighten the sealing plug (803). S1. Place the acrylic sheet to be measured on the upper surface of the sliding plate (3), and move the acrylic sheet to the left through the sliding plate (3) so that the acrylic sheet passes under the protective box (5). S2. The line laser measuring device (6) inside the protective box (5) performs line laser scanning measurement on the upper surface of the acrylic plate. In conjunction with the uniform movement of the sliding plate (3), a comprehensive scanning and detection of the acrylic plate surface is achieved. S3. During the measurement process, the blower (702) on the blowing assembly blows air downwards. The airflow is blown out through the exhaust dust removal port (501) and blown onto the upper surface of the acrylic plate, blowing away the dust on the upper surface of the acrylic plate, realizing simultaneous dust removal and detection. At the same time, the airflow passes through the gap between the line laser measuring instrument (6) and the inner wall of the protective box (5), realizing heat dissipation for the line laser measuring instrument (6). S4. When the fan (702) blows air downwards, a negative pressure is generated inside the protective box (5). External air enters the protective box (5) through the bottom of the inverted L-shaped air inlet groove (502), and the dust-laden gas raised at the exhaust dust removal port (501) is sucked up to the top of the protective box (5). S5. After the dust-laden gas is filtered by the belt screen (10), the dust is trapped on the upper surface of the belt screen (10), and the clean air is blown downwards again by the fan (702) to form a cycle; S6. When dust accumulates on the surface of the belt screen (10) and needs to be cleaned, rotate the handle (11). The handle (11) drives the belt roller (9) connected to it to rotate, driving the belt screen (10) to circulate. The part with dust attached enters the water tank (8) through the through groove, and the water in the water tank cleans the belt screen (10). S7. After cleaning, open the drain valve (802) to discharge the sewage, and add clean water into the water tank (8) through the water inlet pipe (801) to complete the replacement of the cleaning solution.

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