CN201154348Y

CN201154348Y - centrifugal sprayer

Info

Publication number: CN201154348Y
Application number: CNU2007200947967U
Authority: CN
Inventors: 姜生元; 李建永; 焦宏章; 卢杰; 唐德威; 黄金
Original assignee: Harbin Institute of Technology Shenzhen; Beihua University
Current assignee: Harbin Institute of Technology Shenzhen; Beihua University
Priority date: 2007-12-10
Filing date: 2007-12-10
Publication date: 2008-11-26
Anticipated expiration: 2017-12-10

Abstract

The utility model is a centrifugal sprayer, which is characterized in that it includes a rotary cavity with a fixed power shaft, and several spraying valves with the same structure and at least one air intake valve are uniformly arranged on the rotary cavity. The structure of the spraying valve is that the valve body is fixedly connected to the liquid outlet of the rotary cavity, and a liquid distribution valve seat is fixed at the lower end of the valve body, and the liquid inlet valve core is placed in the valve body and matched with the valve body to The built-in liquid control port of the liquid spool matches the liquid distribution valve seat, the upper end of the liquid inlet spool is provided with a nozzle, and a spring is sleeved on the liquid inlet spool. The structure of the intake valve is that the lower end of the side wall of the intake valve body is provided with an intake port, and the bottom of the intake valve body is provided with an intake pipe communicating with the liquid chamber of the rotary cavity, and the valve core is placed in the intake valve. Inside the body and in cooperation with the intake valve body, the return spring of the valve core is sleeved on the valve core. It is suitable for liquid coating operations on the inner wall of pipelines, especially when used in conjunction with pipeline operation robots. It has the advantages of compact structure, reliable operation, and good spraying effect.

Description

centrifugal sprayer

技术领域 technical field

本实用新型涉及一种液体涂覆装置，更具体地说，是一种用于管道内壁液体涂覆的离心式喷涂器。The utility model relates to a liquid coating device, in particular to a centrifugal sprayer used for liquid coating on the inner wall of a pipeline.

背景技术 Background technique

管道内壁是一个封闭的圆柱面，所以采用径向喷涂的方法。目前，径向喷涂器一般采用电液式喷涂的较多，这种电液式喷涂器的工作原理是：用电机带动泵工作，泵的压力将涂液由容腔内喷出，这种喷涂器的不足之处是，体积大，重量大，不适于作为管道作业机器人配套使用。The inner wall of the pipe is a closed cylindrical surface, so the method of radial spraying is adopted. At present, radial sprayers generally use electro-hydraulic spraying. The working principle of this electro-hydraulic sprayer is: the pump is driven by a motor, and the pressure of the pump sprays the coating liquid from the cavity. The disadvantage of the robot is that it is bulky and heavy, and it is not suitable for supporting use as a pipeline operation robot.

发明内容 Contents of the invention

本实用新型所要解决的技术问题是：提供一种结构紧凑、运行可靠，适于管道内壁液体涂覆作业，且与管道作业机器人配套使用的离心式喷涂器。The technical problem to be solved by the utility model is to provide a centrifugal sprayer which is compact in structure, reliable in operation, suitable for liquid coating on the inner wall of pipelines, and used in conjunction with pipeline operation robots.

解决其技术问题采用的方案是：一种离心式喷涂器，其特征是：它包括动力轴1固连的回转腔体2，在回转腔体2上均布设置若干个结构相同的喷涂阀13和至少一个进气阀14。The solution adopted to solve the technical problem is: a centrifugal sprayer, which is characterized in that: it includes a rotary cavity 2 fixedly connected to the power shaft 1, and several spraying valves 13 with the same structure are evenly arranged on the rotary cavity 2 and at least one intake valve 14 .

所述喷涂阀13的结构是，它具有阀体15，配液阀座3和进液阀芯5，阀体15固连于回转腔体2的出液口处，在阀体15下端固定有配液阀座3，进液阀芯5置于阀体15内、且与阀体15相配合，进液阀芯5内置的控液口17与配液阀座3相配合，进液阀芯5上端设有喷嘴7，在进液阀芯5上套置使进液阀芯5的控液口17与配液阀座3开或关的弹簧4。The structure of the spraying valve 13 is that it has a valve body 15, a liquid distribution valve seat 3 and a liquid inlet valve core 5, the valve body 15 is fixedly connected to the liquid outlet of the rotary cavity 2, and a The liquid distribution valve seat 3, the liquid inlet valve core 5 is placed in the valve body 15 and matched with the valve body 15, the liquid control port 17 built in the liquid inlet valve core 5 is matched with the liquid distribution valve seat 3, the liquid inlet valve core 5 is provided with a nozzle 7 at the upper end, and a spring 4 is set on the liquid inlet valve core 5 to open or close the liquid control port 17 of the liquid inlet valve core 5 and the liquid distribution valve seat 3 .

在所述喷涂阀13的进液阀芯5上固连有进液配重壳6。On the liquid inlet spool 5 of the spray valve 13 , a liquid inlet counterweight shell 6 is fixedly connected.

所述进气阀14的结构是，具有进气阀体16和阀芯8，在进气阀体16的侧壁下端设有进气口11，在进气阀体16的底部设有与回转腔体2液室连通的进气管12，阀芯8置于进气阀体16内、且与进气阀体16相配合，在阀芯8上套置阀芯8的复位弹簧10。The structure of the intake valve 14 is to have an intake valve body 16 and a spool 8, the lower end of the side wall of the intake valve body 16 is provided with an air inlet 11, and the bottom of the intake valve body 16 is provided with a rotary The intake pipe 12 connected to the cavity 2 and the liquid chamber, the valve core 8 is placed in the intake valve body 16 and cooperates with the intake valve body 16 , and the return spring 10 of the valve core 8 is sleeved on the valve core 8 .

在所述进气阀14的阀芯8上固连有进气配重壳9。An air intake counterweight shell 9 is fixedly connected to the valve core 8 of the air intake valve 14 .

本实用新型的离心式喷涂器适于管道内壁液体涂覆作业，特别是与管道作业机器人配套使用，具有结构紧凑、运行可靠，喷涂效果好等优点。The centrifugal sprayer of the utility model is suitable for the liquid coating operation on the inner wall of the pipeline, especially used together with the pipeline operation robot, and has the advantages of compact structure, reliable operation, good spraying effect and the like.

附图说明 Description of drawings

图1是离心式喷涂器结构主视示意图。Figure 1 is a schematic front view of the structure of a centrifugal sprayer.

图2为图1中A-A剖视示意图。Fig. 2 is a schematic cross-sectional view of A-A in Fig. 1 .

图中：1动力轴，2回转腔体，3配液阀座，4弹簧，5进液阀芯，6进液配重壳，7喷嘴，8阀芯，9进气配重壳，10复位弹簧，11进气口，12进气管，13喷涂阀，14进气阀，15阀体，16进气阀体，17控液口。In the figure: 1 power shaft, 2 rotary cavity, 3 liquid distribution valve seat, 4 spring, 5 liquid inlet valve core, 6 liquid inlet weight shell, 7 nozzle, 8 valve core, 9 air intake weight shell, 10 reset Spring, 11 air inlets, 12 air inlet pipes, 13 spraying valves, 14 air inlet valves, 15 valve bodies, 16 air inlet valve bodies, 17 liquid control ports.

具体实施方式 Detailed ways

下面利用附图对本实用新型作进一步描述。Utilize accompanying drawing below to further describe the utility model.

参照图1和2，离心式喷涂器的动力轴1的动力为现有技术的电机等动力源。离心式喷涂器的动力轴1上固连有回转腔体2，在回转腔体2上均布设置若干个结构相同的喷涂阀13和至少一个进气阀14。本实施例采用在回转腔体2上均布设置4个结构相同的喷涂阀13和两个进气阀14。所述喷涂阀13的结构是，它具有阀体15，配液阀座3和进液阀芯5，阀体15固连于回转腔体2的出液口处，在阀体15下端固定有配液阀座3，进液阀芯5置于阀体15内、且与阀体15相配合，进液阀芯5内置的控液口17与配液阀座3相配合，进液阀芯5上端设有喷嘴7，在进液阀芯5上套置使进液阀芯5的控液口17与配液阀座3开或关的弹簧4。在所述喷涂阀13的进液阀芯5上固连有进液配重壳6。所述进气阀14的结构是，具有进气阀体16和阀芯8，在进气阀体16的侧壁下端设有进气口11，在进气阀体16的底部设有与回转腔体2液室连通的进气管12，阀芯8置于进气阀体16内、且与进气阀体16相配合，在阀芯8上套置阀芯8的复位弹簧10。在所述进气阀14的阀芯8上固连有进气配重壳9。Referring to Figures 1 and 2, the power of the power shaft 1 of the centrifugal sprayer is a power source such as a motor of the prior art. A rotary cavity 2 is fixedly connected to the power shaft 1 of the centrifugal sprayer, and several spraying valves 13 and at least one intake valve 14 with the same structure are uniformly arranged on the rotary cavity 2 . In this embodiment, four spraying valves 13 and two intake valves 14 with the same structure are uniformly arranged on the rotary cavity 2 . The structure of the spraying valve 13 is that it has a valve body 15, a liquid distribution valve seat 3 and a liquid inlet valve core 5, the valve body 15 is fixedly connected to the liquid outlet of the rotary cavity 2, and a The liquid distribution valve seat 3, the liquid inlet valve core 5 is placed in the valve body 15 and matched with the valve body 15, the liquid control port 17 built in the liquid inlet valve core 5 is matched with the liquid distribution valve seat 3, the liquid inlet valve core 5 is provided with a nozzle 7 at the upper end, and a spring 4 is set on the liquid inlet valve core 5 to open or close the liquid control port 17 of the liquid inlet valve core 5 and the liquid distribution valve seat 3 . On the liquid inlet spool 5 of the spray valve 13 , a liquid inlet counterweight shell 6 is fixedly connected. The structure of the intake valve 14 is to have an intake valve body 16 and a spool 8, the lower end of the side wall of the intake valve body 16 is provided with an air inlet 11, and the bottom of the intake valve body 16 is provided with a rotary The intake pipe 12 connected to the cavity 2 and the liquid chamber, the valve core 8 is placed in the intake valve body 16 and cooperates with the intake valve body 16 , and the return spring 10 of the valve core 8 is sleeved on the valve core 8 . An air intake counterweight shell 9 is fixedly connected to the valve core 8 of the air intake valve 14 .

本实用新型的离心式喷涂器，当动力轴1带动回转腔体2回转时，喷涂阀13的进液阀芯5在离心力的作用下克服弹簧4的弹簧力，使进液阀芯5的控液口17相对固定的配液阀座3分开；同时，进气阀14的阀芯8也在离心力的作用下克服复位弹簧10的弹簧力，使进气阀14进气口11与进气管12相通而使气体进入回转腔体2的液室内，回转腔体2液室内的气液经进液阀芯5的喷嘴7喷出；当动力轴1和回转腔体2停转时，喷涂阀13和进气阀14均在各自弹簧作用下归位，即：进液阀芯13的控液口17相对固定的配液阀座3关闭，进气阀14的进气口11与进气管12不构成通路。进液配重壳6和进气配重壳9的设置是为了增大离心力，利于喷涂阀13进液阀芯5的控液口17相对固定的配液阀座3的打开及进气阀14进气口11与进气管12构成通路。In the centrifugal sprayer of the present utility model, when the power shaft 1 drives the rotary cavity 2 to rotate, the liquid inlet valve core 5 of the spray valve 13 overcomes the spring force of the spring 4 under the action of centrifugal force, so that the control of the liquid inlet valve core 5 The liquid port 17 is separated from the fixed liquid distribution valve seat 3; at the same time, the spool 8 of the intake valve 14 also overcomes the spring force of the return spring 10 under the action of centrifugal force, so that the intake port 11 of the intake valve 14 and the intake pipe 12 The gas enters the liquid chamber of the revolving chamber 2, and the gas and liquid in the liquid chamber of the revolving chamber 2 are ejected through the nozzle 7 of the liquid inlet valve core 5; when the power shaft 1 and the revolving chamber 2 stop, the spraying valve 13 and the intake valve 14 return under the action of their respective springs, that is: the liquid control port 17 of the intake valve core 13 is closed relative to the fixed liquid distribution valve seat 3, and the intake port 11 of the intake valve 14 is not connected to the intake pipe 12 constitute a pathway. The setting of the liquid inlet counterweight shell 6 and the intake counterweight shell 9 is to increase the centrifugal force, which is beneficial to the opening of the relatively fixed liquid distribution valve seat 3 of the liquid control port 17 of the spray valve 13 inlet valve core 5 and the opening of the inlet valve 14. The air inlet 11 and the air inlet pipe 12 form a passage.

Claims

1. A centrifugal sprayer is characterized in that: it comprises a rotary cavity (2) connected by a power shaft (1), and several spraying valves (13) with the same structure are evenly distributed on the rotary cavity (2). ) and at least one intake valve (14).

2. The centrifugal sprayer according to claim 1, characterized in that: the structure of the spray valve (13) is that it has a valve body (15), a liquid distribution valve seat (3) and a liquid inlet valve core ( 5), the valve body (15) is fixedly connected to the liquid outlet of the rotary cavity (2), and the liquid distribution valve seat (3) is fixed at the lower end of the valve body (15), and the liquid inlet valve core (5) is placed in the valve body (15) and cooperate with the valve body (15), the liquid control port (17) built in the liquid inlet valve core (5) cooperates with the liquid distribution valve seat (3), and the upper end of the liquid inlet valve core (5) A nozzle (7) is provided, and a spring (4) is set on the liquid inlet valve core (5) to open or close the liquid control port (17) of the liquid inlet valve core (5) and the liquid distribution valve seat (3).

3. The centrifugal sprayer according to claim 2, characterized in that: a liquid-inlet counterweight shell (6) is fixedly connected to the liquid-inlet spool (5) of the spraying valve (13).

4. The centrifugal sprayer according to claim 1, characterized in that: the structure of the inlet valve (14) is to have an inlet valve body (16) and a spool (8), and in the inlet valve body The side wall lower end of (16) is provided with air inlet (11), is provided with the air inlet pipe (12) that is communicated with rotary chamber (2) liquid chamber at the bottom of air inlet valve body (16), and spool (8) Placed in the intake valve body (16) and matched with the intake valve body (16), the return spring (10) of the valve core (8) is sleeved on the valve core (8).

5. The centrifugal sprayer according to claim 4, characterized in that: an air intake counterweight shell (9) is fixedly connected to the spool (8) of the air intake valve (14).