WO2016074197A1 - 空气动力喷吸式除尘装置 - Google Patents

空气动力喷吸式除尘装置 Download PDF

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Publication number
WO2016074197A1
WO2016074197A1 PCT/CN2014/091020 CN2014091020W WO2016074197A1 WO 2016074197 A1 WO2016074197 A1 WO 2016074197A1 CN 2014091020 W CN2014091020 W CN 2014091020W WO 2016074197 A1 WO2016074197 A1 WO 2016074197A1
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Prior art keywords
dust
spray
pipe
type dust
connecting portion
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PCT/CN2014/091020
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English (en)
French (fr)
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陆德泉
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盐城万达利针织机械有限公司
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Priority to PCT/CN2014/091020 priority Critical patent/WO2016074197A1/zh
Publication of WO2016074197A1 publication Critical patent/WO2016074197A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action

Definitions

  • the present invention relates to a dust removing device, and more particularly to an aerodynamic spray type dust removing device that uses air as a power to generate suction by a jet to clean and remove dust from a dust removing portion.
  • the invention aims to solve the above problems, and provides a suction force generated by an air jet to suck out dust and directly discharge into a collecting device, so that the dust removing efficiency is high, the dust removing effect is good, the environment is not polluted, and the installation is simple and convenient. Aerodynamic spray suction device.
  • the present invention provides an aerodynamic spray type dust removing device, which is provided with a spray-type dust exhaust pipe, and one end of the spray-type dust-discharging pipe is provided with an annular air chamber, and the spray-type dust-discharging
  • the tube is provided with a compressed air input port communicating with the annular air chamber, and a dust suction pipe is connected to one end of the spray dust exhaust pipe provided with an annular air chamber, and one end of the dust suction pipe is located in the spray dust discharge Outside the tube, And extending to the dust removal part in the equipment or space, the other end of the dust suction pipe extends to the front part of the annular air cavity, the outer diameter of the dust suction pipe is smaller than the inner diameter of the spray dust discharge pipe, so that the suction pipe and the suction pipe An annular gas passage for the high-speed discharge of compressed gas is formed between the dust exhaust pipes, and
  • the compressed air is input into the annular air chamber of the spray-type dust exhaust pipe from the compressed air input port of the spray-type dust exhaust pipe, and is sprayed at a high speed through the annular gas passage between the dust suction pipe and the spray-type dust exhaust pipe.
  • the suction generated by the high-speed gas discharge is sucked into the spray-type dust-discharging pipe at the dust-removing portion at the end of the dust suction pipe, and is ejected from the end of the spray-type dust-discharging pipe remote from the annular air chamber.
  • the diameter of the annular air chamber in the spray-type dust exhaust pipe is larger than the inner diameter of the spray-type dust-discharging pipe, and the front end of the annular air chamber is transformed into the inner wall of the spray-type dust-discharging pipe through a tapered surface or a curved surface, and one side of the annular air chamber is provided
  • a radial compressed air input port with an internal thread, and a plurality of annular protrusions for the air-jet hose are provided on the outer side of the front end of the spray-type dust exhaust pipe.
  • One end of the dust suction pipe is provided with a first connecting portion connected to the spray-type dust exhaust pipe and a second connecting portion connected to the external device, and the first connecting portion corresponds to a connection portion of the spray-type dust-discharging pipe An annular shoulder connection, the second connection being an externally threaded tubular connection at the end.
  • the first connecting portion of the dust suction pipe is fixed to the spray-type dust exhaust pipe by a static fit.
  • the first connecting portion of the dust suction pipe is provided with an external thread, and the dust suction pipe is screwed and sealed with the spray-type dust exhaust pipe through the first connecting portion thereof.
  • the compressed air input port includes a screw hole penetrating the annular air chamber of the spray-type dust exhaust pipe and a pipe joint for connecting the air inlet hose, and the pipe joint is screwed with the screw hole on the spray-type dust exhaust pipe .
  • the spray-type dust exhaust pipe is connected to a dust collection bag or a collection box by a jet hose.
  • the dust suction pipe is connected to the dust removing portion of the dust removing device through its second connecting portion.
  • the compressed air input port is connected to an air compressor or an air pump through an intake hose.
  • the contribution of the present invention is that it effectively solves the drawbacks of the existing dust removing device.
  • the invention provides a structure with a double function of air jet and suction, so that the spray dust exhaust pipe and the dust suction pipe form a narrow slit type air passage at the joint portion, and the high-speed jet gas forms a strong at the front part of the narrow slit type air jet passage.
  • Suction sucking dust from the dust-removed part at the end of the suction pipe into the suction pipe, and
  • the inhaled dust is discharged from the air outlet by a spray-type exhaust pipe.
  • the discharged dust can be directly discharged into the collecting device, thereby avoiding secondary pollution to the production environment, and the dust removing efficiency is high, and the dust removing effect is good.
  • the device also has the characteristics of small size and easy installation.
  • Figure 1 is a schematic view of the outline of the present invention.
  • Figure 2 is a cross-sectional view showing the structure of the present invention.
  • Fig. 3 is a schematic view showing the state of use of the present invention.
  • the aerodynamic spray dust removing device 100 of the present invention comprises a spray-type dust exhaust pipe 10, a compressed air input port 20 provided on the spray-type dust exhaust pipe 10, and a spray-type dust exhausting device.
  • the dust suction pipe 30 connected to the pipe 10 and the annular gas passage 40 provided between the dust suction pipe 30 and the spray dust exhaust pipe 10.
  • the aerodynamic spray type dust removing device of the present invention can be applied to various occasions requiring dust removal, particularly various textile machines, but its application is not limited thereto.
  • the suction and dust removal device is provided with a spray-type dust exhaust pipe 10, which is a tubular body made of stainless steel, and has an outwardly expanding annular air chamber 11 at one end thereof.
  • the diameter of the annular air chamber 11 is larger than the inner diameter of the spray-type dust exhaust pipe 10.
  • the front end of the annular air chamber 11 is transitioned to the inner wall of the spray-type dust exhaust pipe through a tapered surface to reduce the resistance of the injected gas.
  • a plurality of annular protrusions 12 are disposed on the outer side of the front end of the spray-type dust exhaust pipe 10 for tying the air-jet hose, and the air-jet hose can be connected to the dust collecting bag or the collecting box, so that the aerodynamic spray-type dust-removing The dust or yarns removed by the apparatus 100 can be collected directly from the dust collection bag or collection box.
  • a radial compressed air input port 20 is provided on one side of the annular air chamber 11, and the compressed air input port 20 includes a screw hole 21 and a pipe joint 22, and the screw hole 21 is radially and annularly The cavity 11 is continuous.
  • the pipe joint 22 is screwed to the screw hole 21 for connecting an intake hose, and the joint of the pipe joint 22 and the intake hose is sealed by a conventional method such as a seal ring, and the intake hose is The other end is connected to an air compressor or an air pump (not shown), and compressed air is supplied from the compressed air input port 20 to the annular air chamber 11 of the spray-type exhaust pipe.
  • a dust suction pipe 30 is connected to one end of the spray dust exhaust pipe 10 where the annular air chamber is provided, and the outer diameter of the dust suction pipe 30 is smaller than the inner diameter of the spray dust exhaust pipe 10.
  • One end of the dust suction pipe 30 is located outside the spray-type dust exhaust pipe 10 and extends to a dust removing portion in the equipment or space, and the other end of the dust suction pipe 30 extends to the front portion of the annular air chamber.
  • a first connecting portion 31 is provided at one end of the dust collecting pipe 30, and a second connecting portion 32 is provided outside the first connecting portion. The first connecting portion 31 is for connecting to the suction dust exhaust pipe 10.
  • the first connecting portion 31 is an annular shoulder connecting portion protruding from the pipe body of the dust suction pipe, and an outer diameter of the annular shoulder connecting portion corresponds to an inner diameter of a connecting portion of the suction dust exhausting pipe 10.
  • the first connecting portion 31 of the dust suction pipe 30 is fixedly connected to the spray-type dust exhaust pipe 10 by static cooperation.
  • the first connecting portion 31 of the dust suction pipe 30 is provided with an external thread, and the dust suction pipe 30 is screwed to the spray dust exhaust pipe 10 through the first connecting portion 31 thereof, and is conventionally The joint is sealed.
  • the second connecting portion 32 is an externally threaded tubular connecting portion at the end, and the dust suction pipe 30 is connected to the dust removing portion of the dust removing device through the second connecting portion 32 thereof.
  • the The second connecting portion 32 of the dust suction pipe 30 is fixed on the frame of the circular knitting machine, and the second connecting portion 32 is connected with a hose, and the hose extends to the dust removing portion of the circular knitting machine for the cylinder The yarn and dust in the dust removal part of the knitting machine are sucked into the tube.
  • one end of the dust suction pipe 30 extends into the front portion of the annular air chamber 11 of the spray-type dust exhaust pipe, and a narrow slit is formed between the dust suction pipe 30 and the spray-type dust exhaust pipe 10.
  • the annular gas passage 40, the compressed gas entering the annular air chamber 11 of the spray-type dust exhaust pipe enters the narrow-slit annular gas passage 40, and the pressure rises to form a high-pressure gas, which is formed by the front end of the spray-type dust exhaust pipe 10. High speed ejection.
  • a negative pressure zone is formed at the front end of the dust suction pipe 30, and the negative pressure zone forms a suction force to the inside of the dust suction pipe 30, so that the dust suction pipe 30 sucks the yarn and dust of the dust removing portion.
  • the yarn and dust in the suction pipe are sprayed with the high-pressure gas injected into the spray-type dust exhaust pipe 10.
  • the suction dust pipe is collected by a dust collecting bag or a collecting box connected to the outlet of the suction dust pipe 10.
  • the present invention forms a suction-type dust exhaust pipe 10 having a spray and suction function and a dust suction pipe 30 connected to the dust-removing pipe, thereby forming suction force by the air jet, removing dust by suction, and then discharging the dust.
  • the spray-type aerodynamic structure creates a strong dust removal capacity, and the removed dust can be collected directly from the dust collection bag or the collection box, thus avoiding secondary pollution.

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Abstract

一种空气动力喷吸式除尘装置（100），设有喷吸式排尘管（10），喷吸式排尘管（10）内设有环形气腔（11），喷吸式排尘管（10）上设有压缩空气输入端口（20），在喷吸式排尘管（10）一端连接有吸尘管（30），吸尘管（30）的一端位于喷吸式排尘管（10）外，并延伸到除尘部位，吸尘管（30）另一端延伸至环形气腔（11）前部，使得吸尘管（30）与喷吸式排尘管（10）之间形成供压缩气体高速喷出的环形气体通道（40），压缩空气由压缩空气输入端口（20）输入喷吸式排尘管（10）的环形气腔（11）内，并经环形气体通道（40）高速喷出，气体高速喷出所产生的吸力将位于吸尘管（10）末端的除尘部位的灰尘吸入喷吸式排尘管，并由喷吸式排尘管（10）的远离环形气腔（11）的一端喷出。

Description

空气动力喷吸式除尘装置 【技术领域】
本发明涉及除尘装置，特别是涉及一种以空气为动力，通过喷气产生吸力而将被除尘部位的尘物进行吸排清理的空气动力喷吸式除尘装置。
【背景技术】
在纺织、冶金、皮革加工等领域中，生产加工过程中会产生大量粉尘，这些粉尘如不能有效地加以清除，不仅会对生产环境和周边环境造成污染，而且会直接影响产品质量和劳动者健康。如纺织机械机在纺织过程中会产生大量的纱毛及粉尘，所产生的纱毛和粉尘如不及时清理，将会堆积在机器的针槽等许多部位，不仅会影响机器的正常运行和产品质量，而且也成为针织机及周围环境最主要的污染源。传统的除尘大多采用喷气除尘法，即将压缩空气通过管道输送到安装在除尘部位的喷气嘴，通过喷气将这些部位的纱毛及粉尘吹走，再将散落在车间里的纱毛及粉尘进行清除。显然，这种除尘方法虽可保证设备的除尘及正常运转，但无法一次完成纱毛及粉尘的清除和收集，导致对生产环境产生二次污染，且除尘效率较低。
【发明内容】
本发明旨在解决上述问题，而提供一种通过喷气所产生的吸力将粉尘吸出，并直接排入收集器具中，因此除尘效率高，除尘效果好，对环境无二次污染，安装使用简便的空气动力喷吸式除尘装置。
为实现上述目的，本发明提供一种空气动力喷吸式除尘装置，该装置设有喷吸式排尘管，该喷吸式排尘管的一端内部设有环形气腔，喷吸式排尘管上设有与所述环形气腔连通的压缩空气输入端口，在喷吸式排尘管的设有环形气腔的一端连接有吸尘管，该吸尘管的一端位于喷吸式排尘管外， 并延伸到设备或空间内的除尘部位，吸尘管的另一端延伸至环形气腔前部，吸尘管的外径小于所述喷吸式排尘管的内径，使得吸尘管与喷吸式排尘管之间形成供压缩气体高速喷出的环形气体通道，且
压缩空气由所述喷吸式排尘管的压缩空气输入端口输入喷吸式排尘管的环形气腔内，并经吸尘管与喷吸式排尘管之间的环形气体通道高速喷出，气体高速喷出所产生的吸力将位于吸尘管末端的除尘部位的灰尘吸入喷吸式排尘管，并由喷吸式排尘管的远离环形气腔的一端喷出。
喷吸式排尘管内的环形气腔的直径大于喷吸式排尘管内径，环形气腔的前端通过锥面或弧面过渡到喷吸式排尘管内壁，环形气腔的一侧设有径向的带内螺纹的压缩空气输入端口，喷吸式排尘管的前端外侧设有套接喷气软管用的数条环状凸起。
吸尘管的一端设有与喷吸式排尘管连接的第一连接部和与外部设备连接的第二连接部，所述第一连接部是与喷吸式排尘管的连接部位相对应的环形肩状连接部，所述第二连接部是位于端部的带外螺纹的管状连接部。
所述吸尘管的第一连接部通过静配合与喷吸式排尘管固接。
所述吸尘管的第一连接部设有外螺纹，吸尘管通过其第一连接部与喷吸式排尘管螺纹连接并密封。
所述压缩空气输入端口包括与喷吸式排尘管的环形气腔贯通的螺孔及连接进气软管用的管接头，所述管接头与喷吸式排尘管上的螺孔螺纹连接。
所述喷吸式排尘管通过喷气软管连接到尘物收集袋或收集箱。
所述吸尘管通过其第二连接部连接到被除尘设备的除尘部位。
所述压缩空气输入端口通过进气软管与空气压缩机或空气泵相连接。
本发明的贡献在于，其有效解决了现有除尘装置所具有的缺陷。本发明通过设置具有喷气和吸力双重功能的结构，使得喷吸式排尘管和吸尘管在结合部位形成窄缝式喷气通道，高速喷出的气体在窄缝式喷气通道的前部形成强大吸力，将位于吸尘管末端的被除尘部位的粉尘吸入吸尘管，并 将吸入的粉尘由喷吸式排尘管从出气端排出。同时，排出的粉尘可直接排入收集器具中，从而避免了对生产环境的二次污染，且除尘效率高，除尘效果好。该装置还具有体积小，安装简便等特点。
【附图说明】
图1是本发明的外形示意图。
图2是本发明的结构剖视图。
图3是本发明的使用状态示意图。
【具体实施方式】
下列实施例是对本发明的进一步解释和说明，对本发明不构成任何限制。
参阅图1、图2，本发明的空气动力喷吸式除尘装置100包括喷吸式排尘管10，设于喷吸式排尘管10上的压缩空气输入端口20，与喷吸式排尘管10连接的吸尘管30及设于吸尘管30与喷吸式排尘管10之间的环形气体通道40。本发明的空气动力喷吸式除尘装置可适用于各种需要除尘的场合，特别是各种纺织机械，但其应用并不限于此。
如图2所示，该吸排除尘装置设有喷吸式排尘管10，该喷吸式排尘管10为不锈钢制成的管状体，其一端内部设有向外扩张的环形气腔11，该环形气腔11的直径大于喷吸式排尘管10内径，本实施例中，该环形气腔11的前端通过锥面过渡到喷吸式排尘管内壁，以减少喷射气体的阻力。在喷吸式排尘管10的前端外侧设有数条环状凸起12，用于套接喷气软管，该喷气软管可连接到尘物收集袋或收集箱，使得空气动力喷吸式除尘装置100所清除的粉尘或纱毛可直接由尘物收集袋或收集箱所收集。
如图2，在环形气腔11的一侧设有径向的压缩空气输入端口20，该压缩空气输入端口20包括螺孔21及管接头22，所述螺孔21沿径向与环形气 腔11相贯通。所述管接头22与所述螺孔21螺纹连接，该管接头22用于连接进气软管，管接头22与进气软管的连接处通过密封圈等常规方法密封，进气软管的另一端与空气压缩机或空气泵(图中未示出)相连接，压缩空气由压缩空气输入端口20输送到所述喷吸式排尘管的环形气腔11内。
图2中，在喷吸式排尘管10的设有环形气腔的一端连接有吸尘管30，该吸尘管30的外径小于所述喷吸式排尘管10的内径。吸尘管30的一端位于喷吸式排尘管10外，并延伸到设备或空间内的除尘部位，吸尘管30的另一端延伸至环形气腔前部。在所述吸尘管30的一端设有第一连接部31，在第一连接部外侧设有第二连接部32。所述第一连接部31用于和喷吸式排尘管10相连接。该第一连接部31为凸出于吸尘管管体的环形肩状连接部，环形肩状连接部的外径与喷吸式排尘管10的连接部位内径相对应。本实施例中，所述吸尘管30的第一连接部31通过静配合与喷吸式排尘管10固接。在另一实施例中，在吸尘管30的第一连接部31设有外螺纹，吸尘管30通过其第一连接部31与喷吸式排尘管10螺纹连接，并通过常规方法对该连接部位进行密封。所述第二连接部32是位于端部的带外螺纹的管状连接部，吸尘管30通过其第二连接部32连接到被除尘设备的除尘部位，在图3所示的实例中，该吸尘管30的第二连接部32固定在圆筒针织机的机架上，第二连接部32上连接有软管，其软管延伸至圆筒针织机的除尘部位，用于将圆筒针织机的除尘部位的纱毛和粉尘吸入管内。
如图2所示，所述吸尘管30的一端伸入喷吸式排尘管的环形气腔11的前部，吸尘管30与喷吸式排尘管10之间形成一个窄缝状的环形气体通道40，进入喷吸式排尘管的环形气腔11的压缩气体进入该窄缝状的环形气体通道40后压力升高，形成高压气体后由喷吸式排尘管10的前端高速喷出。压缩气体在喷出的同时，在吸尘管30的前端形成负压区，该负压区对吸尘管30内部形成抽吸力，使得吸尘管30将被除尘部位的纱毛和粉尘吸入管内，吸入管内的纱毛和粉尘随喷入喷吸式排尘管10的高压气体喷出喷 吸式排尘管，并由连接到喷吸式排尘管10出口的尘物收集袋或收集箱收集。
籍此，本发明通过设置具有喷、吸功能的喷吸式排尘管10和连接到除尘的吸尘管30，形成了由喷气产生吸力，通过抽吸除去尘物，再将尘物喷出的喷吸式空气动力结构，从而形成了强大的除尘能力，且除去的尘物可直接由尘物收集袋或收集箱收集，因而避免了二次污染。
尽管通过以上实施例对本发明进行了揭示，但本发明的保护范围并不局限于此，在不偏离本发明构思的条件下，对以上各构件所做的变形、替换等均将落入本发明的权利要求范围内。

Claims (9)

  1. 一种空气动力喷吸式除尘装置，其特征在于，该装置设有喷吸式排尘管(10)，该喷吸式排尘管(10)的一端内部设有环形气腔(11)，喷吸式排尘管(10)上设有与所述环形气腔(11)连通的压缩空气输入端口(20)，在喷吸式排尘管(10)的设有环形气腔的一端连接有吸尘管(30)，该吸尘管(30)的一端位于喷吸式排尘管(10)外，并延伸到设备或空间内的除尘部位，吸尘管(30)的另一端延伸至环形气腔前部，吸尘管(30)的外径小于所述喷吸式排尘管(10)的内径，使得吸尘管(30)与喷吸式排尘管(10)之间形成供压缩气体高速喷出的环形气体通道(40)，且
    压缩空气由所述喷吸式排尘管(10)的压缩空气输入端口(20)输入喷吸式排尘管(10)的环形气腔(11)内，并经吸尘管(30)与喷吸式排尘管(10)之间的环形气体通道(40)高速喷出，气体高速喷出所产生的吸力将位于吸尘管(30)末端的除尘部位的灰尘吸入喷吸式排尘管(10)，并由喷吸式排尘管(10)的远离环形气腔的一端喷出。
  2. 如权利要求1所述的空气动力喷吸式除尘装置，其特征在于，所述喷吸式排尘管(10)内的环形气腔(11)的直径大于喷吸式排尘管(10)内径，环形气腔(11)的前端通过锥面或弧面过渡到喷吸式排尘管内壁，环形气腔(11)的一侧设有径向的带内螺纹的压缩空气输入端口(20)，喷吸式排尘管(10)的前端外侧设有套接喷气软管用的数条环状凸起(12)。
  3. 如权利要求1所述的空气动力喷吸式除尘装置，其特征在于，所述吸尘管(30)的一端设有与喷吸式排尘管(10)连接的第一连接部(31)和与外部设备连接的第二连接部(32)，所述第一连接部(31)是与喷吸式排尘管(10)的连接部位相对应的环形肩状连接部，所述第二连接部(32)是位于端部的带外螺纹的管状连接部。
  4. 如权利要求3所述的空气动力喷吸式除尘装置，其特征在于，所述 吸尘管(30)的第一连接部(31)通过静配合与喷吸式排尘管(10)固接。
  5. 如权利要求3所述的空气动力喷吸式除尘装置，其特征在于，所述吸尘管(30)的第一连接部(31)设有外螺纹，吸尘管(30)通过其第一连接部(31)与喷吸式排尘管(10)螺纹连接并密封。
  6. 如权利要求2所述的空气动力喷吸式除尘装置，其特征在于，所述压缩空气输入端口(20)包括与喷吸式排尘管的环形气腔(11)贯通的螺孔(21)及连接进气软管用的管接头(22)，所述管接头(22)与喷吸式排尘管上的螺孔(21)螺纹连接。
  7. 如权利要求1至6中任一条所述的空气动力喷吸式除尘装置，其特征在于，所述喷吸式排尘管(10)通过喷气软管连接到尘物收集袋或收集箱。
  8. 如权利要求4或5所述的空气动力喷吸式除尘装置，其特征在于，所述吸尘管(30)通过其第二连接部(32)连接到被除尘设备的除尘部位。
  9. 如权利要求6所述的空气动力喷吸式除尘装置，其特征在于，所述压缩空气输入端口(20)通过进气软管与空气压缩机或空气泵相连接。
PCT/CN2014/091020 2014-11-13 2014-11-13 空气动力喷吸式除尘装置 WO2016074197A1 (zh)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967341A (en) * 1975-08-14 1976-07-06 Gavin Linus A Vacuum and combination vacuum/blow means
CN2113837U (zh) * 1991-10-18 1992-08-26 航空航天工业部成都飞机工业公司 吹吸除尘枪
WO2001096747A1 (fr) * 2000-06-13 2001-12-20 Ogawa Jidousha Co., Ltd. Ejecteur
CN200964303Y (zh) * 2006-11-01 2007-10-24 张轶鸯 多功能气动吸送器
CN201018911Y (zh) * 2007-04-23 2008-02-13 昆明烟机集团二机有限公司 一种切丝机除尘装置
CN104128329A (zh) * 2014-07-15 2014-11-05 浙江荣鹏气动工具有限公司 吹吸两用枪

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967341A (en) * 1975-08-14 1976-07-06 Gavin Linus A Vacuum and combination vacuum/blow means
CN2113837U (zh) * 1991-10-18 1992-08-26 航空航天工业部成都飞机工业公司 吹吸除尘枪
WO2001096747A1 (fr) * 2000-06-13 2001-12-20 Ogawa Jidousha Co., Ltd. Ejecteur
CN200964303Y (zh) * 2006-11-01 2007-10-24 张轶鸯 多功能气动吸送器
CN201018911Y (zh) * 2007-04-23 2008-02-13 昆明烟机集团二机有限公司 一种切丝机除尘装置
CN104128329A (zh) * 2014-07-15 2014-11-05 浙江荣鹏气动工具有限公司 吹吸两用枪

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