CN2436270Y

CN2436270Y - Dust collection structure of grinder

Info

Publication number: CN2436270Y
Application number: CN 00250514
Authority: CN
Inventors: 陈金城
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-09-07
Filing date: 2000-09-07
Publication date: 2001-06-27
Anticipated expiration: 2010-09-07

Abstract

A dust collecting structure of grinder is composed of a base with a through hole, a motor on said base, a dust collecting hood with a casing with an open end and a through hole, a blower wheel in said dust collecting hood, a flow channel between said blower wheel and dust collecting hood, a grinding body outside said blower wheel and driven by motor to rotate for grinding the material, and a dust collecting tube communicated with said through hole of base for collecting the dust generated by grinding the material.

Description

Dust collection structure of grinder

本实用新型是与砂轮研磨机有关，特别是关于一种研磨机的集尘结构。The utility model relates to a grinding wheel grinder, in particular to a dust collection structure of the grinder.

习用的砂轮研磨机包含有一基座，一马达设于该基座上，而该马达可带动一磨砂轮旋转，藉以对欲研磨的物料进行研磨动作，一工作台，设于该基座上，可调整台面的角度，藉以方便物料进行各种角度的研磨。此种砂轮机装置在研磨的过程中，被研磨的物料所产生尘屑直接飘散于空气中，不但对环境造成严重的污染，而且对于工作人员的健康(尤其是对肺部的影响)产生极大的伤害。A conventional grinding wheel grinding machine includes a base, a motor is arranged on the base, and the motor can drive a grinding wheel to rotate, so as to grind the material to be ground, and a workbench is located on the base, The angle of the table can be adjusted to facilitate the grinding of materials at various angles. During the grinding process of this kind of grinder device, the dust produced by the ground material is directly scattered in the air, which not only causes serious pollution to the environment, but also has a great impact on the health of the staff (especially the impact on the lungs). big damage.

本实用新型的主要目的在于提供一种研磨机的集尘结构，可减少在研磨时飘散于空气中的尘屑。The main purpose of the utility model is to provide a dust collecting structure of a grinding machine, which can reduce the dust floating in the air during grinding.

为达成上述目的，依据本实用新型所提供的研磨机的集尘结构包含有：一基座，其上设有一通口；一马达，设于该基座上；一集尘罩，概呈一端开口的壳体，该集尘罩上设有一通口，对应于该基座的通口；一鼓风轮，容设于该集尘罩中，可经由该马达的带动而旋转，该鼓风轮的外缘与该集尘罩之间形成一流道，该流道与该基座的通口连通；一研磨体，位于该鼓风轮外侧，可经由该马达的带动而旋转，藉以对物料进行研磨；以及，一集尘筒，连通于该基座的通口，使物料在经该研磨体研磨时所产生的尘屑可经由该流道、该基座的通口而进入该集尘筒中收集。In order to achieve the above purpose, the dust collection structure of the grinder provided by the present invention includes: a base with a port; a motor with the base; a dust cover with one end Open shell, the dust collection cover is provided with a port corresponding to the port of the base; a blower wheel is accommodated in the dust collection cover and can be driven by the motor to rotate, the blower A flow channel is formed between the outer edge of the wheel and the dust collecting cover, and the flow channel communicates with the port of the base; a grinding body, located outside the blower wheel, can be driven by the motor to rotate, so as to grind the material Grinding; and, a dust collection tube, connected to the opening of the base, so that the dust generated when the material is ground by the grinding body can enter the dust collecting tube through the flow channel and the opening of the base collected in the barrel.

其中该基座上设有一座槽，该通口设于该座槽的内壁上，且该集尘座容设于该座槽中。Wherein the base is provided with a groove, the opening is set on the inner wall of the seat groove, and the dust collecting seat is accommodated in the seat groove.

其中该集尘罩的上缘具有一呈圆弧形的罩片。Wherein the upper edge of the dust collecting cover has an arc-shaped cover piece.

其中还包含有一垫片，该垫片概呈一环形的片体，位于该鼓风轮与该研磨体之间。It also includes a gasket, which is roughly in the shape of an annular sheet, and is located between the blower wheel and the grinding body.

其中还包含有一连接管，其二端分别连接于该基座的通口以及该集尘筒。It also includes a connecting pipe, the two ends of which are respectively connected to the opening of the base and the dust collecting cylinder.

其中该研磨体包含有一砂布座以及一砂布；该砂布座概呈板片体，位于该鼓风轮的外侧；该砂布是以可拆离的方式设于该砂布座上。Wherein the grinding body includes an emery cloth seat and an emery cloth; the emery cloth seat is generally a plate body and is located outside the blower wheel; the emery cloth is set on the emery cloth seat in a detachable manner.

其中该研磨体是为一磨砂轮。Wherein the grinding body is a grinding wheel.

其中还包含有一工作台，枢设于该基座上。It also includes a workbench pivotally arranged on the base.

以下兹举一较佳实施例配合图示对本实用新型作进一步的详细说明，其中：The utility model is described in further detail below by citing a preferred embodiment in conjunction with the drawings, wherein:

图1是本实用新型实施例的分解立体图。Fig. 1 is an exploded perspective view of an embodiment of the utility model.

图2是本实用新型实施例的组合立体图。Fig. 2 is a combined perspective view of the embodiment of the utility model.

图3是本实用新型实施例的气流流动状态示意图。Fig. 3 is a schematic diagram of the air flow state of the embodiment of the present invention.

请参阅各图所示，本实用新型实施例所提供的研磨机的集尘结构，包含有：Please refer to each figure, the dust collection structure of the grinder provided by the embodiment of the present invention includes:

一基座10，其上具有一座槽11，其上侧与前侧呈开口状，右侧设有一通口12，该通口12的外侧设有一通口连接件13；一盖片14，设于该基座10上，封闭该座槽11前方的开口；该基座10装设于一基座支架100上，使砂轮机位于方便操作的高度。A base 10 has a groove 11 on it, its upper side and front side are open, the right side is provided with a port 12, and the outside of this port 12 is provided with a port connector 13; On the base 10, the opening in front of the seat groove 11 is closed; the base 10 is installed on a base support 100, so that the grinder is located at a height convenient for operation.

一马达20，固定该基座10上；该马达20具有一开关21，用以控制该马达20的启闭。A motor 20 is fixed on the base 10 ; the motor 20 has a switch 21 for controlling the opening and closing of the motor 20 .

一集尘罩30，为一圆形、一端呈开口状的壳体，其上缘设有一呈圆弧形的罩片31，下方向一侧延伸出一通口32；该集尘罩30容设于该基座10的座槽11中，且该集尘罩30的通口32容设于该基座10的通口12中；该集尘罩30的底端中央设有一穿孔33，供该马达20的传动轴穿过，且该穿孔33的外围环设四固定孔34，其可各供螺丝穿过并锁固于该马达20上。A dust collection cover 30 is a round shell with an opening at one end, an arc-shaped cover piece 31 is provided on its upper edge, and a port 32 extends downward to one side; the dust collection cover 30 accommodates In the seat groove 11 of the base 10, and the opening 32 of the dust collecting cover 30 is accommodated in the opening 12 of the base 10; the center of the bottom end of the dust collecting cover 30 is provided with a perforation 33 for the The transmission shaft of the motor 20 passes through, and the periphery of the through hole 33 is provided with four fixing holes 34 , each of which can allow screws to pass through and be locked on the motor 20 .

一鼓风轮40，容设于该集尘罩30之中；该鼓风轮40的周缘设有复数个呈预定角度排列的叶片41，中央具有一穿孔42，穿孔42中设有一轴承43，该马达20的传动轴穿过该轴承43，使该鼓风轮40可藉由该马达20的带动而旋转；该鼓风轮40的外缘与该集尘罩30之间形成一流道50，该流道50连通至该基座10的通口12。A blower wheel 40 is accommodated in the dust collection cover 30; the periphery of the blower wheel 40 is provided with a plurality of blades 41 arranged at a predetermined angle, and a perforation 42 is provided in the center, and a bearing 43 is arranged in the perforation 42, The transmission shaft of the motor 20 passes through the bearing 43, so that the blower wheel 40 can be driven by the motor 20 to rotate; a flow channel 50 is formed between the outer edge of the blower wheel 40 and the dust cover 30, The channel 50 communicates with the opening 12 of the base 10 .

一垫片60，为一呈环形、具有弹性的橡胶片，位于该鼓风轮40的外侧，并固定于该集尘罩30上；其目的在于使鼓风轮40的中央形成气密的状态。A gasket 60 is an annular, elastic rubber sheet located on the outside of the blower wheel 40 and fixed on the dust cover 30; its purpose is to make the center of the blower wheel 40 form an airtight state .

一研磨体70，位于该垫片60外侧，可经由该马达20的带动而对欲研磨的物料进行研磨；本实用新型实施例中，该研磨体70包含有一砂布座71以及一砂布72；其中，该砂布座71呈圆形板片体，位于该垫片60的外侧，其中央设有一穿孔711，供该马达20的传动轴穿过，并藉由一螺帽73锁固于该马达20传动轴的外端，使该砂布座71可藉由该马达20的带动而旋转；该砂布72，贴合于该砂布座71的外端，用以对欲研磨的物料(如木料)进行研磨。A grinding body 70 is located on the outside of the pad 60 and can be driven by the motor 20 to grind the material to be ground; in the embodiment of the utility model, the grinding body 70 includes an emery cloth seat 71 and an emery cloth 72; wherein , the abrasive cloth seat 71 is a circular plate body, located on the outside of the gasket 60, a perforation 711 is provided in the center for the drive shaft of the motor 20 to pass through, and is locked to the motor 20 by a nut 73 The outer end of the drive shaft enables the emery cloth seat 71 to rotate driven by the motor 20; the emery cloth 72 is attached to the outer end of the emery cloth seat 71 for grinding the material (such as wood) to be ground .

在此要提出说明的是：本实用新型实施例中该研磨体70是为一砂布座71与一砂布72的组合，实务上，该研磨体70可仅为一习用的磨砂轮，其周缘以及外侧面均可进行研磨。It should be explained here that the grinding body 70 is a combination of an emery cloth seat 71 and an emery cloth 72 in the embodiment of the present invention. In practice, the grinding body 70 can only be a conventional grinding wheel, and its periphery and Both sides can be ground.

一工作台80，位于该研磨体70的外侧，其底侧设有二摆动座85，其上各具有一呈圆弧状的滑轨851；该基座10上对应于该二摆动座85的位置各设有一枢设座15，其上各具有一圆弧形的滑槽151；该二摆动座85的滑轨851枢设于该枢设座15的滑槽151中，使该工作台80可改变台面的角度，用以方便欲研磨的物件以各种角度进行研磨；该工作台80为一习用装置，其结构容不详述。A workbench 80 is located on the outside of the grinding body 70, and its bottom side is provided with two swing seats 85, each having a slide rail 851 in a circular arc shape; The positions are respectively provided with a pivotal seat 15, each having a circular arc-shaped chute 151 on it; the slide rails 851 of the two swing seats 85 are pivotally arranged in the chute 151 of the pivotal seat 15, so that the workbench 80 The angle of the table can be changed to facilitate the grinding of objects to be ground at various angles; the workbench 80 is a conventional device, and its structure will not be described in detail.

一集尘筒90，为一内部具有滤网(图中未显示)且一端呈开口状的筒体，其开口处设有一通口连接件93；一连接管94，其二端各藉由一固定环95连接于该基座10通口12的通口连接件13与该集尘筒90的通口连接件93，使该集尘筒90与该基座10的通口12以及该流道50连通。A dust collection tube 90 is a cylinder with a filter screen (not shown) inside and an open end at one end, and a port connector 93 is provided at the opening; The fixing ring 95 is connected to the port connector 13 of the port 12 of the base 10 and the port connector 93 of the dust collecting tube 90, so that the dust collecting tube 90 and the port 12 of the base 10 and the flow channel 50 connections.

本实用新型的砂轮机集尘装置的工作原理如下所述：当启动该马达20时，会带动该鼓风轮40以及该研磨体70一起转动；此时，该鼓风轮40的叶片41会在该流道50中造成一股气流，且该股气流会沿着该流道50而至该基座10的通口12，再通过该连接管94而到达该集尘筒90中(如图3中的箭头方向所示)；现在工作人员取一欲研磨的物料(图中未显示)放置在该工作台80上，并施力使其该物料压贴于该研磨体70的砂布72上进行研磨，由于该研磨体70在旋转时所产生的离心力，会使得该物料研磨时所产生的尘屑呈辐射状向外流动，而当尘屑到达该该研磨体70的外缘时，根据伯努力定理(Bernoul li′sLaw)(流速高处的压力较低，流速低处的压力较高)，尘屑会被吸入该流道50中，并随著该流道50中的气流经过该基座10的通口12、该连接管94，最后到达该集尘筒90，集尘筒90中的滤网会将气流中的尘屑拦下，但允许气流通过；如此即可使物料在研磨过程中所产生的尘屑收集于集尘筒90中，不会飞散于空气中，藉以确保工作环境的品质，保障工作人员的身体健康。The working principle of the grinder dust collecting device of the present utility model is as follows: when starting the motor 20, it will drive the blast wheel 40 and the grinding body 70 to rotate together; at this time, the blades 41 of the blast wheel 40 will An airflow is caused in the flow channel 50, and the air flow will go along the flow channel 50 to the opening 12 of the base 10, and then pass through the connecting pipe 94 to reach the dust collection box 90 (as shown in FIG. 3 in the direction of the arrow); now the staff takes a material to be ground (not shown) and places it on the workbench 80, and exerts force so that the material is pressed against the emery cloth 72 of the grinding body 70 Grinding, due to the centrifugal force generated when the grinding body 70 rotates, the dust generated when the material is ground will flow radially outwards, and when the dust reaches the outer edge of the grinding body 70, according to Bernoulli's Law (Bernoulli's Law) (the pressure at the high flow rate is lower, and the pressure at the low flow rate is higher), the dust will be sucked into the flow channel 50, and pass through the flow channel 50 along with the airflow in the flow channel 50. The port 12 of the base 10, the connecting pipe 94, and finally reach the dust collection box 90, the filter screen in the dust collection box 90 will stop the dust in the airflow, but allow the airflow to pass through; The dust generated during the grinding process is collected in the dust collecting cylinder 90 and will not be scattered in the air, so as to ensure the quality of the working environment and protect the health of the staff.

Claims

1. A dust collecting structure of a grinder, characterized in that it comprises:

a base with a port;

a motor mounted on the base;

A dust collection cover, generally in the form of a shell with an opening at one end, is set on the base; the dust collection cover is provided with a port corresponding to the port of the base;

A blower wheel is accommodated in the dust collection cover; a flow passage is formed between the outer edge of the blower wheel and the dust collection cover, and the flow passage is connected to the opening of the dust collection cover;

a grinding body, located outside the blower wheel, fixed on the shaft of the motor; and

A dust collection tube communicates with the port of the base.

2. The dust collecting structure of the grinder according to claim 1, wherein a groove is provided on the base, the opening is arranged on the inner wall of the groove, and the dust collecting seat is accommodated in the seat in the slot.

3. The dust collection structure of the grinder according to claim 1, wherein the upper edge of the dust collection cover has a circular arc-shaped cover piece.

4. The dust collection structure of the grinding machine according to claim 1, further comprising a gasket, the gasket is roughly an annular piece, and is located between the blower wheel and the grinding body.

5. The dust collecting structure of the grinder according to claim 1, further comprising a connecting pipe, two ends of which are respectively connected to the opening of the base and the dust collecting cylinder.

6. The dust collection structure of the grinding machine according to claim 1, wherein the grinding body includes an emery cloth seat and an emery cloth; the emery cloth seat is generally a plate body and is located outside the blower wheel; the emery cloth is It is set on the emery cloth seat in a detachable manner.

7. The dust collecting structure of a grinding machine according to claim 1, wherein the grinding body is a grinding wheel.

8. The dust collecting structure of the grinder according to claim 1, further comprising a worktable pivotally arranged on the base.