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CN112775743A - Wall surface grinding machine - Google Patents

Wall surface grinding machine Download PDF

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Publication number
CN112775743A
CN112775743A CN202110119784.XA CN202110119784A CN112775743A CN 112775743 A CN112775743 A CN 112775743A CN 202110119784 A CN202110119784 A CN 202110119784A CN 112775743 A CN112775743 A CN 112775743A
Authority
CN
China
Prior art keywords
casing
dust
dust suction
grinding
brushless motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110119784.XA
Other languages
Chinese (zh)
Inventor
段瑞忠
陈春燕
杨金威
舒浩
叶金敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinhua Gaojiu Electric Equipment Co ltd
Original Assignee
Jinhua Gaojiu Electric Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jinhua Gaojiu Electric Equipment Co ltd filed Critical Jinhua Gaojiu Electric Equipment Co ltd
Priority to CN202110119784.XA priority Critical patent/CN112775743A/en
Publication of CN112775743A publication Critical patent/CN112775743A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/182—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like for walls and ceilings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/02—Frames; Beds; Carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
    • B24B55/102—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with rotating tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/186—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like with disc-type tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/02—Cages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/403—Lighting for industrial, commercial, recreational or military use for machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Abstract

本发明涉及一种墙面打磨机，该墙面打磨机包括撑杆组件、机头组件、控制器和遥控器，机头组件包括机壳组件、打磨盘、无刷电机、吸尘叶轮、吸尘管，机壳组件内设置无刷电机、吸尘叶轮、传动齿盘，无刷电机设置打磨主轴，传动齿盘的中心与打磨主轴固定相连，吸尘叶轮的中心设置与传动齿盘相啮合的吸尘转轴，打磨主轴的前端固定设置打磨盘，以使无刷电机驱动吸尘叶轮和打磨盘转动，机壳组件的一侧经吸尘管与撑杆组件相通，控制器设置输入线缆和输出线缆，输入线缆进入机壳组件后与无刷电机电性连接，遥控器用于操控控制器。

Figure 202110119784

The invention relates to a wall grinder. The wall grinder comprises a strut assembly, a machine head assembly, a controller and a remote control. The machine head assembly includes a casing assembly, a grinding disc, a brushless motor, a dust suction impeller, a suction Dust pipe, brushless motor, dust suction impeller and transmission toothed disc are arranged in the casing assembly, the brushless motor is provided with a grinding spindle, the center of the transmission toothed disc is fixedly connected with the grinding main shaft, and the center of the dust suction impeller is set to mesh with the transmission toothed disc The front end of the grinding spindle is fixed with a grinding disc, so that the brushless motor drives the dust suction impeller and the grinding disc to rotate. And the output cable, the input cable is electrically connected to the brushless motor after entering the casing assembly, and the remote control is used to control the controller.

Figure 202110119784

Description

Wall surface grinding machine
Technical Field
The invention relates to the technical field of building construction auxiliary equipment, in particular to a wall surface grinding machine.
Background
In the house decoration process, wall surface painting is a vital decoration content, the wall surface needs to be polished and cleaned before the wall surface is painted, painted or wallpaper is pasted, and the wall surface polisher is widely used as a mature technology. In the prior art, the driving motors of the machine head are all brush motors, so that the operation is inconvenient.
Disclosure of Invention
The invention aims to provide a wall surface grinding machine which is simple in structure and easy to operate and control.
In order to solve the technical problem, the wall surface grinding machine provided by the invention comprises a support rod assembly, a machine head assembly, a controller and a remote controller, the machine head component comprises a machine shell component, a polishing disc, a brushless motor, a dust suction impeller and a dust suction pipe, a brushless motor, a dust absorption impeller and a transmission fluted disc are arranged in the casing component, the brushless motor is provided with a polishing main shaft, the center of the transmission fluted disc is fixedly connected with the grinding main shaft, the center of the dust absorption impeller is provided with a dust absorption rotating shaft meshed with the transmission fluted disc, the front end of the grinding main shaft is fixedly provided with a grinding disc, so that brushless motor drive dust absorption impeller and the dish of polishing rotate, one side of casing subassembly communicates with each other with the vaulting pole subassembly through the dust absorption pipe, and the controller sets up input cable and output cable, and input cable gets into behind the casing subassembly and brushless motor electric connection, and the remote controller is used for controlling the controller.
Further, the vaulting pole subassembly is including adjusting support, hollow first vaulting pole and second vaulting pole, adapter sleeve, adjust the top and the articulated cooperation of casing subassembly of support, the top of first vaulting pole links to each other with the bottom stationary phase of adjusting the support, and the cooperation is pegged graft with the bottom of second vaulting pole in the bottom of first vaulting pole, and the adapter sleeve joint is in the junction of first vaulting pole and second vaulting pole for fixed first vaulting pole and second vaulting pole.
Further, the casing subassembly is including fixed motor casing, the dust absorption casing that links to each other in proper order, rotation casing and the casing of polishing, brushless motor is fixed to be set up in the motor casing, the rotatable setting of dust absorption impeller is in the dust absorption casing, the rotatable setting of driving gear dish is in the rotation casing, the rotatable setting of polishing dish is in the casing of polishing.
Further, the front end of the polishing shell is circumferentially provided with an isolation brush, the periphery of the polishing shell is further provided with an LED lamp belt and an annular lampshade, the LED lamp belt is electrically connected with the controller, and the LED lamp belt is arranged in the annular lampshade and protected by the annular lampshade.
Further, the bottom of second vaulting pole sets up the centre gripping support for carry out the centre gripping to the remote controller.
Further, one side of dust absorption casing sets up out the dirt interface, the top of first vaulting pole sets up into the dirt mouth, the both ends of dust absorption pipe communicate with each other with going out the dirt interface, entering dirt mouth respectively for introduce the dust collection passageway of first vaulting pole and second vaulting pole with the dust in the dust absorption casing.
Furthermore, the front end of the grinding main shaft is in transmission fit with the center of a grinding disc, and the grinding disc is provided with a plurality of dust inlet holes which are arranged on the same circumference and used for introducing dust into the dust collection shell.
The invention has the technical effects that: (1) compared with the prior art, the wall surface grinding machine adopts the brushless motor, the controller and the remote controller to be matched, the grinding disc and the LED lamp strip are powered and controlled, the power is sufficient, the connection is convenient, and the operation and the control are easy; (2) the clamping support is adopted to place and install the remote controller, so that the operation convenience is greatly improved during operation, and the remote controller can be operated while the bottom end of the support rod assembly is held during operation; (3) the transmission fluted disc is meshed with a dust collection rotating shaft of the dust collection impeller, so that the dust collection impeller and the polishing disc synchronously rotate at a higher rotating speed; (4) the grinding disc is provided with a plurality of dust inlet holes, so that the ground dust can be conveniently introduced into the dust collection shell; (5) the first support rod and the second support rod are arranged in a hollow mode to form a dust collecting channel, dust can be conveniently led out, the first support rod and the second support rod are locked and fixed through the connecting sleeve after being matched in an inserting mode, and the length of the support rod assembly can be conveniently adjusted.
Drawings
The invention is described in further detail below with reference to the drawings of the specification:
FIG. 1 is a schematic perspective view of the wall sander of the present invention;
FIG. 2 is a schematic side view of the wall sander of the present invention;
FIG. 3 is a schematic perspective view of a handpiece of the present invention;
in the figure: the machine shell component comprises a machine shell component 1, an adjusting support 2, a first support rod 3, a polishing disc 4, a second support rod 5, a connecting sleeve 6, a dust suction pipe 7, a controller 8, a remote controller 9, an annular lampshade 10, a dust inlet hole 11, an isolating brush 12, a wire sheath 13, a clamping support 14, a polishing shell 15, a machine shell 16, a dust suction shell 17, a rotating shell 18, a polishing spindle 19, a transmission gear disc 20, a dust suction rotating shaft 21, a dust suction impeller 22 and a dust outlet interface 23.
Detailed Description
Example 1
As shown in fig. 1 to 3, the wall surface sander of the present embodiment includes a stay bar assembly, a head assembly, a controller 8 and a remote controller 9.
The head assembly comprises a machine shell assembly 1, a polishing disc 4, a brushless motor, a dust suction impeller 22 and a dust suction pipe 7, wherein the machine shell assembly 1 comprises a motor shell 16, a dust suction shell 17, a rotating shell 18 and a polishing shell 15 which are sequentially fixed and connected in a sealing mode, the brushless motor is fixedly arranged in the motor shell 16, the dust suction impeller 22 can be rotatably arranged in the dust suction shell 17, a transmission gear disc 20 can be rotatably arranged in the rotating shell 18, and the polishing disc 4 can be rotatably arranged in the polishing shell 15.
The vaulting pole subassembly is including adjusting support 2, hollow first vaulting pole 3 and second vaulting pole 5, adapter sleeve 6, it sets up to adjust 1 one-tenth Y shape of support, by the left socle, obtain through the fix with screw behind the right branch frame joint, and adjust the top of support 1 and motor casing 16 articulated cooperation, the top of first vaulting pole 3 is fixed with the bottom threaded connection who adjusts support 2, the cooperation of pegging graft of the bottom of first vaulting pole 3 and the bottom of second vaulting pole 5, 6 joints of adapter sleeve are in the junction of first vaulting pole 3 and second vaulting pole 5, be used for tightening up first vaulting pole 3 and second vaulting pole 5, in order to reach fixed purpose, the bottom of second vaulting pole 5 sets up centre gripping support 14, be used for carrying out the centre gripping to remote controller 9.
Brushless motor sets up the main shaft 19 of polishing, the center of driving fluted disc 20 is fixed continuous with the main shaft 19 of polishing, the center setting of dust absorption impeller 22 and the dust absorption pivot 21 of driving fluted disc 20 engaged with, the front end of the main shaft 19 of polishing is fixed to be set up the disk 4 of polishing, so that brushless motor drive dust absorption impeller 22 and the disk 4 of polishing rotate, one side of dust absorption casing 17 sets up out dirt interface 23, the top of first vaulting pole 3 sets up into dirt mouth, the both ends of dust absorption pipe 7 respectively with go out dirt interface 23, it communicates with each other to advance the dirt mouth, a dust collection passageway for introducing the dust in the dust absorption casing 17 into first vaulting pole 3 and second vaulting pole 5, link to each other with external dust catcher through dust collection passageway 5, be used for collecting the dust.
The controller 8 is provided with an input cable (not shown in the figure) and an output cable (not shown in the figure), the motor shell 16 is provided with a wire inlet hole and a wire sheath 13, the output cable enters the motor shell 16 through the wire sheath 13 and the wire inlet hole and then is electrically connected with the brushless motor, and the remote controller 9 is used for operating the controller 4 and the brushless motor.
The front end of casing 15 of polishing sets up along circumference and keeps apart brush 12, and the periphery of casing 15 of polishing still sets up LED lamp area and non-light tight annular lampshade 10, and LED lamp area is through cable and 8 electric connection of controller, and LED lamp area sets up in annular lampshade 10, is protected by annular lampshade 10.
The front end of the grinding main shaft 19 is in transmission fit with the center of the grinding disc 4, and the grinding disc 4 is provided with a plurality of dust inlet holes 11 which are arranged on the same circumference and used for introducing dust into the dust suction shell 17.
It should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious variations or modifications which fall within the spirit of the invention are intended to be covered by the scope of the present invention.

Claims (7)

1.一种墙面打磨机，其特征在于，包括撑杆组件、机头组件、控制器和遥控器，所述机头组件包括机壳组件、打磨盘、无刷电机、吸尘叶轮、吸尘管，所述机壳组件内设置无刷电机、吸尘叶轮、传动齿盘，所述无刷电机设置打磨主轴，所述传动齿盘的中心与打磨主轴固定相连，所述吸尘叶轮的中心设置与传动齿盘相啮合的吸尘转轴，打磨主轴的前端固定设置打磨盘，以使无刷电机驱动吸尘叶轮和打磨盘转动，所述机壳组件的一侧经吸尘管与撑杆组件相通，控制器设置输入线缆和输出线缆，输入线缆进入机壳组件后与无刷电机电性连接，遥控器用于操控控制器。1. A wall grinder, characterized in that it comprises a strut assembly, a handpiece assembly, a controller and a remote control, and the handpiece assembly comprises a casing assembly, a grinding disc, a brushless motor, a dust suction impeller, a suction The dust pipe, a brushless motor, a dust suction impeller, and a transmission gear plate are arranged in the casing assembly. The brushless motor is provided with a grinding spindle. The center is provided with a dust suction rotating shaft that meshes with the transmission toothed disc, and the front end of the grinding spindle is fixedly provided with a grinding disc, so that the brushless motor drives the dust suction impeller and the grinding disc to rotate. The rod assembly is connected, the controller is provided with an input cable and an output cable, the input cable is electrically connected to the brushless motor after entering the casing assembly, and the remote control is used to control the controller. 2.根据权利要求1所述的墙面打磨机，其特征在于，所述撑杆组件包括调节支架、中空的第一撑杆和第二撑杆、连接套，所述调节支架的顶端与机壳组件铰接配合，所述第一撑杆的顶端与调节支架的底端固定相连，第一撑杆的底端与第二撑杆的底端插接配合，连接套卡接在第一撑杆与第二撑杆的连接处，用于固定第一撑杆和第二撑杆。2 . The wall sander according to claim 1 , wherein the strut assembly comprises an adjustment bracket, a hollow first and second strut, and a connecting sleeve, and the top of the adjustment bracket is connected to the machine. 3 . The shell assembly is hingedly matched, the top end of the first support rod is fixedly connected with the bottom end of the adjusting bracket, the bottom end of the first support rod is inserted and matched with the bottom end of the second support rod, and the connecting sleeve is clamped on the first support rod The connection with the second strut is used to fix the first strut and the second strut. 3.根据权利要求2所述的墙面打磨机，其特征在于，所述机壳组件包括依次固定相连的电机壳体、吸尘壳体、转动壳体和打磨壳体，所述无刷电机固定设置在电机壳体内，所述吸尘叶轮可转动设置在吸尘壳体内，所述传动齿盘可转动设置在转动壳体内，所述打磨盘可转动设置在打磨壳体内。3. The wall sander according to claim 2, wherein the casing assembly comprises a motor casing, a dust suction casing, a rotating casing and a grinding casing that are fixedly connected in sequence, and the brushless casing The motor is fixedly arranged in the motor casing, the dust suction impeller is rotatably arranged in the dust suction casing, the transmission gear plate is rotatably arranged in the rotating casing, and the grinding disc is rotatably arranged in the grinding casing. 4.根据权利要求3所述的墙面打磨机，其特征在于，所述打磨壳体的前端沿周向设置隔离刷，所述打磨壳体的外围还设置LED灯带和环形灯罩，LED灯带与控制器电性连接，所述LED灯带设置在环形灯罩内。4. The wall sander according to claim 3, wherein the front end of the sanding shell is provided with an isolation brush along the circumferential direction, and the periphery of the sanding shell is also provided with an LED light strip and a ring lampshade, and the LED light The belt is electrically connected with the controller, and the LED light belt is arranged in the annular lampshade. 5.根据权利要求4所述的墙面打磨机，其特征在于，所述第二撑杆的底端设置夹持支架，用于对遥控器进行夹持。5 . The wall sander according to claim 4 , wherein a clamping bracket is provided at the bottom end of the second strut for clamping the remote control. 6 . 6.根据权利要求5所述的墙面打磨机，其特征在于，所述吸尘壳体的一侧设置出尘接口，所述第一撑杆的顶端设置进尘口，所述吸尘管的两端分别与出尘接口、进尘口相通。6 . The wall sander according to claim 5 , wherein a dust outlet port is provided on one side of the dust suction housing, a dust inlet port is provided on the top end of the first strut, and the dust suction pipe is provided with a dust inlet port. The two ends of the dust outlet are respectively connected with the dust outlet and the dust inlet. 7.根据权利要求5或6所述的墙面打磨机，其特征在于，所述打磨主轴的前端与打磨盘的中心传动配合，所述打磨盘上设置多个置于同一圆周上的进尘孔。7. The wall grinder according to claim 5 or 6, wherein the front end of the grinding spindle is matched with the center of the grinding disc, and the grinding disc is provided with a plurality of dust inlets placed on the same circumference hole.
CN202110119784.XA 2021-01-28 2021-01-28 Wall surface grinding machine Pending CN112775743A (en)

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Citations (16)

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CN203650258U (en) * 2014-01-13 2014-06-18 洪邦禹 Improved automatic dust absorption polishing machine
CN103962905A (en) * 2013-02-01 2014-08-06 江苏金立电子机械科技有限公司 Novel wall polishing machine
WO2015025677A1 (en) * 2013-08-22 2015-02-26 日立工機株式会社 Electric tool and polisher using same
CN105058184A (en) * 2015-08-12 2015-11-18 丹阳市超宇五金磨具有限公司 Remote control wall face grinder
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Application publication date: 20210511