CN222725066U - Dust collection device is used in processing of environment-friendly stone material - Google Patents

Dust collection device is used in processing of environment-friendly stone material Download PDF

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Publication number
CN222725066U
CN222725066U CN202421380027.3U CN202421380027U CN222725066U CN 222725066 U CN222725066 U CN 222725066U CN 202421380027 U CN202421380027 U CN 202421380027U CN 222725066 U CN222725066 U CN 222725066U
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China
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frame
fixedly installed
fixed frame
collection device
dust collection
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CN202421380027.3U
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Chinese (zh)
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潘广利
许占鳌
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Jinan Sensheng Precision Machinery Co ltd
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Jinan Sensheng Precision Machinery Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
    • Y02A50/2351Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust

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  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

本申请提供了一种环保型石材加工用粉尘收集装置,包括箱体,所述箱体的上表面固定安装有连接管,且连接管的另一端连接有吸气罩,所述连接管为软管设置,且吸气罩的内部固定安装有蜂窝板。本申请通过过滤机构的使用,在通过抽风机对粉尘进行收集时,可通过滑动框内部的过滤网进行过滤,同时,启动驱动电机带动转动轴和表面的凸轮转动,凸轮转动的同时,突出的一侧可对连接架进行击打,并带动滑动框和内部的过滤网移动,并使拉簧发生形变,当凸轮的凸起处,不与连接架接触时,拉簧可通过自身的拉力带动滑动框和过滤网进行复位,通过凸轮转动,能够使滑动框和过滤网进行震动,便于将表面过滤的粉尘震落,避免出现堵塞的情况。

The present application provides an environmentally friendly dust collection device for stone processing, including a box body, a connecting pipe is fixedly installed on the upper surface of the box body, and the other end of the connecting pipe is connected to an air suction hood, the connecting pipe is set as a hose, and a honeycomb panel is fixedly installed inside the air suction hood. The present application uses a filtering mechanism, and when collecting dust through an exhaust fan, it can be filtered through the filter screen inside the sliding frame. At the same time, the driving motor is started to drive the rotating shaft and the cam on the surface to rotate. When the cam rotates, the protruding side can hit the connecting frame, and drive the sliding frame and the internal filter screen to move, and cause the tension spring to deform. When the protrusion of the cam does not contact the connecting frame, the tension spring can drive the sliding frame and the filter screen to reset through its own tension. The rotation of the cam can vibrate the sliding frame and the filter screen, which is convenient for shaking off the dust filtered on the surface to avoid clogging.

Description

Dust collection device is used in processing of environment-friendly stone material
Technical Field
The utility model relates to the field related to stone processing, in particular to an environment-friendly dust collection device for stone processing.
Background
The environment-friendly stone processing means that a series of measures are taken in the stone processing process so as to reduce the influence on the environment and realize reasonable utilization of resources and minimization of waste. Such measures include the use of energy-saving equipment and processes, the popularization of renewable energy sources, the recycling of waste water, the classified collection and recycling of solid waste, the reduction of dust and harmful gas emissions, noise pollution control and the like, and when dust reduction is required, a dust collection device is required.
When the existing dust collecting device is used, the filter screen is used as a main collecting means, dust particles in air are effectively captured and reduced, however, as the running time is increased, the filter screen gradually accumulates thick dust layers, so that the filtering efficiency is reduced, blocking phenomenon is easy to occur, the existing dust collecting device is large in size and complex in structure, various pipelines and power supplies are required to be connected, and therefore once the dust collecting device is installed at a specific position, the dust collecting device is difficult to move or redeploy, flexible application of the dust collecting device between different production areas is limited, and difficulty and cost in equipment maintenance and updating are increased.
Therefore, we make improvements to this and propose an environment-friendly dust collection device for stone processing.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides an environment-friendly dust collecting device for stone processing, which solves the problems in the background art.
In order to achieve the above object, the present utility model provides the following technical solutions:
Dust collection device is used in processing of environmental protection type stone material to solve above-mentioned problem.
The application is specifically as follows:
The device comprises a box body, wherein a connecting pipe is fixedly arranged on the upper surface of the box body, the other end of the connecting pipe is connected with an air suction cover, the connecting pipe is a hose, a honeycomb panel is fixedly arranged in the air suction cover, a vertical plate is fixedly arranged in the box body, a transverse plate is fixedly arranged between the right side surface of the vertical plate and the inner wall of the box body, an adjusting mechanism is arranged on the upper surface of the transverse plate, an exhaust fan is arranged on the lower side of the transverse plate in the box body, a filtering mechanism is arranged on one side surface of the vertical plate, and a moving mechanism is arranged at the bottom of the box body;
The adjusting mechanism comprises a hydraulic rod, the hydraulic rod is fixedly arranged on the upper surface of the transverse plate, a sliding block is fixedly arranged on the surface of the upper end of the hydraulic rod, the upper end of the sliding block is fixedly connected with the suction cover, and the sliding block is in sliding connection with the top of the box body.
As the preferable technical scheme of the application, the filtering mechanism comprises a fixed frame, the fixed frame is communicated with the vertical plate, the inside of the fixed frame is connected with a sliding frame in a sliding way, a filter screen is fixedly arranged in the sliding frame, a fixed frame is fixedly arranged in the fixed frame, and a tension spring is fixedly arranged between one side surface of the fixed frame and the sliding frame.
As a preferable technical scheme of the application, a connecting frame is fixedly arranged in the sliding frame, a driving motor is fixedly arranged on the inner wall of one side of the fixed frame, the output end of the driving motor is fixedly connected with a rotating shaft, the other end of the rotating shaft is rotationally connected with the fixed frame, and a cam is fixedly arranged on the outer surface of the rotating shaft.
As a preferable technical scheme of the application, the collecting frame is arranged at the lower side of the fixed frame, and the collecting frame is connected with the box body in a sliding way.
As the preferable technical scheme of the application, the moving mechanism comprises threaded rods, two threaded rods are arranged and are in rotary connection in the bottom of the box body, the threads at two ends of the threaded rods are opposite in direction, the surfaces at two ends of the threaded rods are in threaded connection with sliding blocks, the lower side surfaces of the two sliding blocks are in hinged connection with supporting rods, the two supporting rods are in rotary connection, and the lower ends of the supporting rods are provided with idler wheels.
As the preferable technical scheme of the application, a protective cover is fixedly arranged on one side surface of the box body, one end of each of the two threaded rods extends into the protective cover, chain wheels are fixedly arranged on one end surfaces of the two threaded rods, the two chain wheels are rotationally connected through a chain, and a rotary handle is fixedly arranged on one end surface of each of the threaded rods.
Compared with the prior art, the utility model has the beneficial effects that:
In the scheme of the application:
1. Through filtering mechanism's use, when collecting the dust through the air exhauster, the inside filter screen of accessible slip frame filters, simultaneously, start driving motor drives the cam rotation on axis of rotation and surface, when the cam rotates, outstanding one side can hit the link, and drive slip frame and inside filter screen and remove, and make the extension spring take place deformation, when the protruding department of cam, when not contacting with the link, extension spring accessible self pulling force drives slip frame and filter screen and resets, rotate through the cam, can make slip frame and filter screen shake, be convenient for shake surface filtration's dust off, avoid appearing the condition of jam.
2. Through the use of moving mechanism, when needs remove the device, rotatable rotatory handle drives the threaded rod of one side and rotates to the sprocket that drives the surface rotates, can drive two threaded rods through the chain that sets up and rotate in step, because the screw thread opposite direction at threaded rod both ends sets up, can drive the slider of both sides and carry out relative movement, the slider of both sides removes, and two accessible bracing pieces prop up the device, make the gyro wheel of bottom contact with ground, need remove the device, and the thrust unit of being convenient for removes, hoisting device's flexibility.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a dust collecting device for environment-friendly stone processing;
FIG. 2 is a schematic cross-sectional view of the dust collecting device for environment-friendly stone processing provided by the application;
fig. 3 is a schematic structural view of a fixing frame and a sliding frame of the dust collecting device for environment-friendly stone processing provided by the application;
Fig. 4 is a schematic structural view of a moving mechanism of the dust collecting device for environment-friendly stone processing provided by the application;
fig. 5 is a schematic perspective view of the inside of the protection cover of the dust collecting device for environment-friendly stone processing.
The figures indicate:
1. The box body, 2, a connecting pipe, 3, an air suction cover, 301, a honeycomb plate, 4, a vertical plate, 5, a transverse plate, 6, an adjusting mechanism, 601, a hydraulic rod, 602, a sliding block, 7, an exhaust fan, 8, a filtering mechanism, 801, a fixed frame, 802, a sliding frame, 803, a filter screen, 804, a fixed frame, 805, a tension spring, 806, a connecting frame, 807, a driving motor, 808, a rotating shaft, 809, a cam, 810, a collecting frame, 9, a moving mechanism, 901, a threaded rod, 902, a sliding block, 903, a supporting rod, 904, a roller, 905, a protective cover, 906, a chain wheel, 907, a chain, 908 and a rotating handle.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described examples are some, but not all, embodiments of the utility model.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by one skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In order to solve the technical problem in the background art, the following dust collection device for environment-friendly stone processing is provided:
Referring to fig. 1-5, the dust collection device for environment-friendly stone processing provided by the utility model comprises a box body 1, wherein a connecting pipe 2 is fixedly arranged on the upper surface of the box body 1, the other end of the connecting pipe 2 is connected with an air suction cover 3, the connecting pipe 2 is in a hose arrangement, a honeycomb plate 301 is fixedly arranged in the air suction cover 3, a vertical plate 4 is fixedly arranged in the box body 1, a transverse plate 5 is fixedly arranged between the right side surface of the vertical plate 4 and the inner wall of the box body 1, an adjusting mechanism 6 is arranged on the upper surface of the transverse plate 5, an exhaust fan 7 is arranged in the box body 1 and positioned on the lower side of the transverse plate 5, a filtering mechanism 8 is arranged on one side surface of the vertical plate 4, a moving mechanism 9 is arranged at the bottom of the box body 1, the adjusting mechanism 6 comprises a hydraulic rod 601, the hydraulic rod 601 is fixedly arranged on the upper surface of the transverse plate 5, a sliding block 602 is fixedly arranged on the upper end surface of the hydraulic rod 601, the upper end of the sliding block 602 is fixedly connected with the upper end of the air suction cover 3, and the sliding block 602 is in a sliding connection with the top of the box body 1.
In the embodiment, when dust is required to be collected by the device through the adjusting mechanism 6, the box body 1 can be moved to a stone machining operation table by moving the box body 1, the suction hood 3 can be driven to move up and down by starting the hydraulic rod 601, the height of the suction hood 3 can be adjusted according to the height of the machining operation table, then the suction fan 7 can be started to work, dust generated by machining stone is collected by the connecting pipe 2 and the suction hood 3, broken stone generated by machining stone can be isolated by the honeycomb plate 301 in the suction hood 3, and sucked dust can be filtered by the filtering mechanism 8 and collected.
With reference to fig. 1 to 3, in order to be able to filter the sucked dust on the basis of the above embodiment, this embodiment gives the following design:
As a preferred embodiment, the filtering mechanism 8 includes a fixed frame 801, and the fixed frame 801 is communicated with the riser 4, a sliding frame 802 is slidably connected inside the fixed frame 801, a filter screen 803 is fixedly installed inside the sliding frame 802, a fixing frame 804 is fixedly installed inside the fixed frame 801, and a tension spring 805 is fixedly installed between one side surface of the fixing frame 804 and the sliding frame 802.
In this embodiment, the suction fan 7 is operated to filter the sucked dust through the filter screen 803 inside the sliding frame 802, and the sliding frame 802 slides inside the fixed frame 801 and is connected by the tension spring 805.
With reference to fig. 1 to 3, in order to be able to collect the filtered dust on the basis of the above embodiment, this embodiment gives the following design:
As a preferred embodiment, a connecting frame 806 is fixedly installed inside the sliding frame 802, a driving motor 807 is fixedly installed on one side inner wall of the fixed frame 801, a rotating shaft 808 is fixedly connected to an output end of the driving motor 807, the other end of the rotating shaft 808 is rotatably connected with the fixed frame 801, and a cam 809 is fixedly installed on an outer surface of the rotating shaft 808.
In this embodiment, by starting the driving motor 807, the driving motor 807 drives the rotation shaft 808 at the output end and the cam 809 at the outer surface to rotate, and the cam 809 can strike the fixed frame 804 fixedly mounted on the inner surface of the sliding frame 802 while rotating, so that the sliding frame 802 slides and deforms the tension spring 805, when the protruding side of the cam 809 is not in contact with the fixed frame 804, the tension spring 805 drives the fixed frame 804 and the sliding frame 802 to reset, and accordingly reciprocates, so that the sliding frame 802 vibrates, dust on the surface of the filter screen 803 shakes down, and the condition that the filter screen 803 is blocked is avoided.
Referring to fig. 2, in order to collect the dust falling off on the basis of the above embodiment, the present embodiment gives the following design:
as a preferred embodiment, a collecting frame 810 is disposed at the lower side of the fixing frame 801, and the collecting frame 810 is connected to the case 1 in a sliding manner.
In the embodiment, the collecting frame 810 is arranged at the lower side of the sliding frame 802, so that the shaken-off dust can fall into the collecting frame 810 to collect the dust, and the collecting frame 810 is connected in a sliding manner in the box body 1, so that the collected dust can be conveniently treated.
With reference to fig. 3-5, in order to enable more flexibility of the device based on the above embodiment, the following design is given in this embodiment:
As a preferred embodiment, the moving mechanism 9 includes threaded rods 901, and the threaded rods 901 are provided with two, and the two threaded rods 901 are all rotatably connected in the interior of the bottom of the box 1, the thread directions of the two ends of the two threaded rods 901 are opposite, and the surfaces of the two ends of the threaded rods 901 are all in threaded connection with sliding blocks 902, the lower side surfaces of the two sliding blocks 902 are all hinged with supporting rods 903, the two supporting rods 903 are rotatably connected, and the lower ends of the supporting rods 903 are provided with rollers 904.
In this embodiment, two threaded rods 901 are used to rotate, and the two sliding blocks 902 on two sides can be driven to move relatively simultaneously due to the opposite screw directions of the two end surfaces, and the sliding blocks 902 on two sides can be supported by the supporting rods 903 while moving, so that the rollers 904 on the lower ends of the supporting rods 903 are contacted with the ground, and at this time, the device is convenient to move.
1-5, To enable synchronous rotation of two threaded rods 901, this embodiment provides the following design:
as a preferred embodiment, a protection cover 905 is fixedly installed on one side surface of the case 1, one ends of the two threaded rods 901 extend into the protection cover 905, sprockets 906 are fixedly installed on one end surface of the two threaded rods 901, the two sprockets 906 are rotatably connected through a chain 907, and a rotary handle 908 is fixedly installed on one end surface of the one side threaded rod 901.
In the embodiment, by rotating the rotary handle 908, one side of the threaded rod 901 can be driven to rotate, the surface of the chain wheel 906 is driven to rotate, the surfaces of the chain wheels 906 on the surfaces of the threaded rods 901 on two sides are rotationally connected through the chain 907, and when one side of the threaded rod 901 rotates, the two threaded rods 901 can synchronously rotate.
The working principle is as follows:
the above is the working process of the whole device, and what is not described in detail in this specification belongs to the prior art known to those skilled in the art.
The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail with reference to the above embodiments, the present utility model is not limited to the above embodiments, and thus any modifications or equivalent substitutions are made thereto, and all technical solutions and modifications thereof without departing from the spirit and scope of the present utility model are included in the scope of the claims of the present utility model.

Claims (6)

1.一种环保型石材加工用粉尘收集装置,包括箱体(1),其特征在于:所述箱体(1)的上表面固定安装有连接管(2),且连接管(2)的另一端连接有吸气罩(3),所述连接管(2)为软管设置,且吸气罩(3)的内部固定安装有蜂窝板(301),所述箱体(1)的内部固定安装有竖板(4),且竖板(4)的右侧表面与箱体(1)的内壁之间固定安装有横板(5),所述横板(5)的上表面安装有调节机构(6),且箱体(1)的内部位于横板(5)的下侧设置有抽风机(7),所述竖板(4)的一侧表面安装有过滤机构(8),所述箱体(1)的底部设置有移动机构(9);1. An environmentally friendly dust collection device for stone processing, comprising a box (1), characterized in that: a connecting pipe (2) is fixedly mounted on the upper surface of the box (1), and the other end of the connecting pipe (2) is connected to an air suction hood (3), the connecting pipe (2) is arranged as a hose, and a honeycomb panel (301) is fixedly mounted inside the air suction hood (3), a vertical plate (4) is fixedly mounted inside the box (1), and a horizontal plate (5) is fixedly mounted between the right side surface of the vertical plate (4) and the inner wall of the box (1), an adjusting mechanism (6) is mounted on the upper surface of the horizontal plate (5), and an exhaust fan (7) is arranged inside the box (1) at the lower side of the horizontal plate (5), a filtering mechanism (8) is mounted on one side surface of the vertical plate (4), and a moving mechanism (9) is arranged at the bottom of the box (1); 所述调节机构(6)包括液压杆(601),且液压杆(601)固定安装在横板(5)的上表面,所述液压杆(601)的上端表面固定安装有滑动块(602),且滑动块(602)的上端与吸气罩(3)的连接方式为固定连接,所述滑动块(602)与箱体(1)的顶部滑动连接。The adjustment mechanism (6) comprises a hydraulic rod (601), and the hydraulic rod (601) is fixedly mounted on the upper surface of the horizontal plate (5), a sliding block (602) is fixedly mounted on the upper end surface of the hydraulic rod (601), and the upper end of the sliding block (602) is connected to the suction hood (3) in a fixed manner, and the sliding block (602) is slidably connected to the top of the box body (1). 2.根据权利要求1所述的一种环保型石材加工用粉尘收集装置,其特征在于:所述过滤机构(8)包括固定框(801),且固定框(801)与竖板(4)相连通,所述固定框(801)的内部滑动连接有滑动框(802),且滑动框(802)的内部固定安装有过滤网(803),所述固定框(801)的内部固定安装有固定架(804),且固定架(804)的一侧表面与滑动框(802)之间固定安装有拉簧(805)。2. An environmentally friendly dust collection device for stone processing according to claim 1, characterized in that: the filtering mechanism (8) comprises a fixed frame (801), and the fixed frame (801) is connected to the vertical plate (4), the interior of the fixed frame (801) is slidably connected to a sliding frame (802), and a filter net (803) is fixedly installed inside the sliding frame (802), a fixed frame (804) is fixedly installed inside the fixed frame (801), and a tension spring (805) is fixedly installed between a side surface of the fixed frame (804) and the sliding frame (802). 3.根据权利要求2所述的一种环保型石材加工用粉尘收集装置,其特征在于:所述滑动框(802)的内部固定安装有连接架(806),所述固定框(801)的一侧内壁固定安装有驱动电机(807),且驱动电机(807)的输出端固定连接有转动轴(808),所述转动轴(808)的另一端与固定框(801)转动连接,且转动轴(808)的外部表面固定安装有凸轮(809)。3. An environmentally friendly dust collection device for stone processing according to claim 2, characterized in that: a connecting frame (806) is fixedly installed inside the sliding frame (802), a driving motor (807) is fixedly installed on the inner wall of one side of the fixed frame (801), and the output end of the driving motor (807) is fixedly connected to a rotating shaft (808), the other end of the rotating shaft (808) is rotatably connected to the fixed frame (801), and a cam (809) is fixedly installed on the outer surface of the rotating shaft (808). 4.根据权利要求2所述的一种环保型石材加工用粉尘收集装置,其特征在于:所述固定框(801)的下侧设置有收集框(810),且收集框(810)与箱体(1)的连接方式为滑动连接。4. An environmentally friendly dust collection device for stone processing according to claim 2, characterized in that a collection frame (810) is provided on the lower side of the fixed frame (801), and the collection frame (810) is connected to the box body (1) in a sliding manner. 5.根据权利要求1所述的一种环保型石材加工用粉尘收集装置,其特征在于:所述移动机构(9)包括螺纹杆(901),且螺纹杆(901)设置有两个,并且两个螺纹杆(901)均在箱体(1)底部的内部转动连接,两个所述螺纹杆(901)两端的螺纹方向相反,且螺纹杆(901)两端的表面均螺纹连接有滑块(902),两个所述滑块(902)的下侧表面均铰接连接有支撑杆(903),且两个支撑杆(903)呈转动连接,所述支撑杆(903)的下端安装有滚轮(904)。5. An environmentally friendly dust collection device for stone processing according to claim 1, characterized in that: the moving mechanism (9) comprises a threaded rod (901), and two threaded rods (901) are provided, and the two threaded rods (901) are rotatably connected inside the bottom of the box body (1), the threads at both ends of the two threaded rods (901) are in opposite directions, and the surfaces at both ends of the threaded rods (901) are threadedly connected with sliders (902), the lower side surfaces of the two sliders (902) are hingedly connected with support rods (903), and the two support rods (903) are rotatably connected, and the lower ends of the support rods (903) are installed with rollers (904). 6.根据权利要求5所述的一种环保型石材加工用粉尘收集装置,其特征在于:所述箱体(1)的一侧表面固定安装有防护罩(905),且两个螺纹杆(901)的一端延伸至防护罩(905)的内部,两个所述螺纹杆(901)的一端表面均固定安装有链轮(906),且两个链轮(906)之间通过链条(907)转动连接,一侧所述螺纹杆(901)的一端表面固定安装有旋转把手(908)。6. An environmentally friendly dust collection device for stone processing according to claim 5, characterized in that: a protective cover (905) is fixedly installed on one side surface of the box body (1), and one end of the two threaded rods (901) extends to the inside of the protective cover (905), a sprocket (906) is fixedly installed on one end surface of the two threaded rods (901), and the two sprockets (906) are rotatably connected by a chain (907), and a rotating handle (908) is fixedly installed on one end surface of the threaded rods (901) on one side.
CN202421380027.3U 2024-06-18 2024-06-18 Dust collection device is used in processing of environment-friendly stone material Active CN222725066U (en)

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CN202421380027.3U CN222725066U (en) 2024-06-18 2024-06-18 Dust collection device is used in processing of environment-friendly stone material

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Application Number Priority Date Filing Date Title
CN202421380027.3U CN222725066U (en) 2024-06-18 2024-06-18 Dust collection device is used in processing of environment-friendly stone material

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