Low-pressure atomizing valve

Abstract

The utility model discloses a low air pressure atomizing valve which comprises a valve body, a glue flow channel is formed in the valve body, a drill point is vertically arranged in the glue flow channel and moves in the glue flow channel, a small air collecting cavity is formed in one side of the glue flow channel and is formed in the valve body, and the drill point moves in the small air collecting cavity. A glue outlet pipe is arranged at the bottom end of the outer portion of the valve body through a vertical pipeline, the glue outlet pipe is communicated with the glue flow channel, the glue outlet pipe is sleeved with an atomization sleeve, one end of the atomization sleeve is in pipeline connection with the valve body, the atomization sleeve is in pipeline connection with the small gas collection cavity, and the other end of the atomization sleeve is in pipeline connection with the small gas collection cavity. An air channel is formed between the atomization sleeve and the glue outlet pipe, the air channel is connected with the small air collection cavity through a pipeline, a first air uniformizing plate is arranged between the air channel and the atomization sleeve, the first air uniformizing plate is transversely located at the bottom end of the interior of the atomization sleeve, and a plurality of first air outlet holes are distributed and formed in the first air uniformizing plate in a surrounding mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to a glue outlet valve field especially low pressure atomization valve. BACKGROUND

[0002] The glue outlet valve is also called the glue dispensing valve, which is connected by a cylinder, a valve body and a material cylinder, the cylinder and the valve body are separated by advanced sealing material to avoid the invasion of glue into the cylinder, the material cylinder and the cylinder are connected to the valve body to ensure the concentricity, the electromagnetic valve drives the cylinder to move, thereby driving the center rod to move up and down, and the opening and closing of glue are achieved by the up and down movement of the center rod, according to the different opening and closing modes, the glue dispensing valve is divided into the plunger type glue dispensing valve, the needle type glue dispensing valve, the lifting type glue dispensing valve, the spray glue dispensing valve and the jet glue dispensing valve, the applicable fluid is different due to the different opening and closing modes, the glue dispensing valve adopts the upward movement to close the glue structure, the glue is stopped and the glue is sucked back at the same time, the residual glue on the needle is reduced, the glue dispensing does not produce the leakage, the wire drawing and other phenomena, the valve body is treated by aluminum alloy anodic oxidation, the latest fluorine material is used for the sealing material, and the contact glue part is the corrosion-resistant material.

[0003] The existing glue outlet valve has a large volume of the gas collection cavity inside, which leads to a long time required for the gas to enter the valve body and gather in the gas collection cavity, and further leads to a long time required for the gas to enter and the gas in the gas collection cavity to be released from the valve body with glue, the gas is in a scattered state and the glue sprayed is in a water droplet state, the glue spraying area has certain limitations, the required pressure is too large, the atomization is slow and the atomization effect is poor, and therefore the low pressure atomization valve is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a technical scheme capable of solving the above problems.

[0005] The low pressure atomization valve comprises a valve body, a glue flow channel is formed in the valve body, a drill needle is vertically arranged in the glue flow channel and moves in the glue flow channel, a small gas collection cavity is arranged on one side of the glue flow channel, the small gas collection cavity is formed in the valve body and is not communicated with the glue flow channel, an outlet glue pipe is vertically arranged on the bottom of the valve body, the outlet glue pipe is communicated with the valve body and the glue flow channel, an atomization sleeve is sleeved on the outside of the outlet glue pipe, one end of the atomization sleeve is connected with the valve body through a pipeline and the atomization sleeve is connected with the small gas collection cavity through a pipeline, an air duct is formed between the atomization sleeve and the outlet glue pipe, the air duct is connected with the small gas collection cavity through a pipeline, a first air uniformizing plate is arranged between the air duct and the atomization sleeve, the first air uniformizing plate is horizontally arranged at the bottom of the atomization sleeve and a plurality of first air outlets are formed on the first air uniformizing plate.

[0006] Preferably, the bottom end of the atomizing sleeve is provided with a wind scoop, and the wind scoop is connected with the atomizing sleeve through pipeline, and the bottom end of the glue outlet pipe is aligned with the wind scoop.

[0007] Preferably, the atomizing sleeve is provided with a locking ring between the valve body, and the locking ring is sleeved on the top end of the atomizing sleeve, and the locking ring is connected with the valve body through screw thread.

[0008] Preferably, the bottom end of the valve body is provided with a glue inlet pipe on one side of the pipeline, and the glue inlet pipe is connected with the glue flow channel through pipeline, and the bottom end of the valve body is provided with a first air inlet pipe on the other side of the pipeline, and the first air inlet pipe is connected with the small gas collecting cavity through pipeline.

[0009] Preferably, the top end of the valve body is formed with a moving plate placing cavity, and the moving plate is placed horizontally in the moving plate placing cavity, and the moving plate is connected with the drill needle and has the same moving direction with the drill needle, and the moving plate is elastically provided with a spring between the moving plate and the moving plate placing cavity, and one end of the spring is elastically fixed to the top end of the moving plate placing cavity, and the other end of the spring is elastically fixed to the top end of the moving plate.

[0010] Preferably, the top end of the valve body is provided with a third air inlet pipe and a second air inlet pipe on the upper and lower ends of one side of the pipeline respectively, and the third air inlet pipe and the second air inlet pipe are connected with the moving plate placing cavity through pipeline respectively.

[0011] Preferably, the valve body is provided with a second air uniformizing plate between the atomizing sleeve, and the second air uniformizing plate is horizontally located at the bottom end of the valve body, and the second air uniformizing plate is formed with a plurality of second air outlet holes which are distributed on the second air uniformizing plate in a surrounding manner, and the plurality of second air outlet holes are connected with the atomizing sleeve and the valve body through pipeline respectively.

[0012] Preferably, the valve body is provided with a micrometer between the drill needle, and the micrometer is vertically located at the top end of the valve body, and the micrometer is connected with the drill needle through driving.

[0013] Compared with the prior art, the beneficial effects of the utility model are that when the drill needle moves in the glue flow channel, the drill needle also penetrates the glue flow channel and moves in the glue outlet pipe, so that the glue in the glue flow channel flows out of the glue outlet pipe, and because the volume of the small gas collecting cavity is reduced, the external gas entering the small gas collecting cavity can be filled and quickly flow to the air duct in the atomizing sleeve, so that the gas flowing into the air duct is concentrated and sprayed out through the plurality of air outlets on the first air uniformizing plate, and the glue flowing out of the glue outlet pipe is also concentrated and sprayed out, so that the air pressure required when the valve body sprays glue is small, and the atomization is faster.

[0014] The additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only show some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0016] Figure 1 It is a structure schematic view of low pressure atomizing valve;

[0017] Figure 2 It is another structure schematic view of low pressure atomizing valve;

[0018] Figure 3 It is a structure schematic view of glue outlet head;

[0019] Figure 4 It is another structure schematic view of glue outlet head;

[0020] Figure 5 It is an internal structure schematic view of valve body 1.

[0021] As shown in the drawings: 1, valve body, 2, glue inlet pipe, 3, atomizing sleeve, 4, wind deflector, 5, glue outlet pipe, 6, drill needle, 7, air duct, 8, locking ring, 9, first air equalizing plate, 10, first air outlet hole, 11, glue outlet head, 12, glue flow channel, 13, first air inlet pipe, 14, small gas collecting cavity, 15, moving plate placing cavity, 16, moving plate, 17, second air inlet pipe, 18, third air inlet pipe, 19, spring, 20, micrometer, 21, second air equalizing plate, 22, second air outlet hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0023] Please refer to Figures 1-5The utility model discloses a low pressure atomization valve, including valve body 1, the inside forming of valve body 1 has glue flow channel 12, and glue flow channel 12 inside vertical setting has drill needle 6, and glue flow channel 12 inside moves to glue flow channel 12 inside glue of the glue flow channel 12 from the extrusion of valve body 1, the one side of glue flow channel 12 is provided with small gas collection cavity 14, and small gas collection cavity 14 is formed in the inside of valve body 1, and glue flow channel 12 and small gas collection cavity 14 are not communicated, the outside bottom end vertical pipeline of valve body 1 is provided with glue outlet pipe 5, and glue outlet pipe 5 and valve body 1 are mutually penetrated, and glue outlet pipe 5 and glue flow channel 12 are mutually connected, glue outlet pipe 5 is externally sleeved with atomization cover 3, and one end of atomization cover 3 and valve body 1 are connected with pipeline, and atomization cover 3 and small gas collection cavity 14 are connected with pipeline, the wind channel 7 between atomization cover 3 and glue outlet pipe 5 is formed, and the wind channel 7 and small gas collection cavity 14 are connected with pipeline, first air distribution plate 9 is arranged between the wind channel 7 and atomization cover 3, and the first air distribution plate 9 is horizontally located at the bottom end inside atomization cover 3, and a plurality of first air outlet holes 10 are formed on the first air distribution plate 9, so that the drill needle 6 moves in the glue flow channel 12 also penetrates the glue flow channel 12 and moves in the glue outlet pipe 5, so that the glue in the glue flow channel 12 flows out of the glue outlet pipe 5, and the volume of the small gas collection cavity 14 is reduced, so that the external gas can be filled and quickly flow into the wind channel 7 in the atomization cover 3, so that the gas flowing into the wind channel 7 is concentrated and sprayed out through the first air outlet 10 on the first air distribution plate 9, and the glue flowing out of the glue outlet pipe 5 is concentrated and sprayed out, so that the valve body 1 needs small air pressure when spraying glue, and the atomization is faster.

[0024] The bottom end of the atomization cover 3 is provided with a wind deflector 4, and the wind deflector 4 is connected with the atomization cover 3 by pipeline, and the bottom end of the glue outlet pipe 5 is aligned with the wind deflector 4, and the glue outlet pipe 5 is provided with a glue outlet head 11 at the bottom end, and the glue outlet head 11 is aligned with the wind deflector 4, so that the gas in the wind channel 7 is concentrated and sprayed out, and the glue flowing out of the glue outlet head 11 is concentrated and sprayed out by the wind deflector 4.

[0025] The lock ring 8 is arranged between the atomization cover 3 and the valve body 1, and the lock ring 8 is sleeved on the top end of the atomization cover 3, and the lock ring 8 is connected with the valve body 1 by screw thread, so that the atomization cover 3 can be disassembled and assembled at the bottom end of the valve body 1 by the lock ring 8.

[0026] The one side pipeline of the bottom end of the valve body 1 is provided with a glue inlet pipe 2, and the glue inlet pipe 2 is connected with the glue flow channel 12, and then the external glue can be introduced into the valve body 1 and into the glue flow channel 12 through the glue inlet pipe 2. The other side pipeline of the bottom end of the valve body 1 is provided with a first air inlet pipe 13, and the first air inlet pipe 13 is connected with the small air collecting cavity 14, and then the external atomized gas is introduced into the small air collecting cavity 14 through the first air inlet pipe 13.

[0027] The top end of the valve body 1 is formed with a moving plate placing cavity 15, and the moving plate 16 is transversely placed in the moving plate placing cavity 15, and the moving plate 16 is connected with the drill needle 6 and has the same moving direction with the drill needle 6. The spring 19 is elastically arranged between the moving plate 16 and the moving plate placing cavity 15, one end of the spring 19 is elastically fixed to the top end of the moving plate placing cavity 15, and the other end of the spring 19 is elastically fixed to the top end of the moving plate 16, so that the moving plate 16 will not hit when moving to the top end of the moving plate placing cavity 15 through the spring 19.

[0028] The upper and lower ends of the one side of the top end of the valve body 1 are respectively provided with a third air inlet pipe 18 and a second air inlet pipe 17, and the third air inlet pipe 18 and the second air inlet pipe 17 are respectively connected with the moving plate placing cavity 15, so that when the second air inlet pipe 17 is in and the moving plate 16 is located at the bottom end of the moving plate placing cavity 15, the gas in the second air inlet pipe 17 will lift the moving plate 16 in the moving plate placing cavity 15, and when the moving plate 16 moves to the top end of the moving plate placing cavity 15, the second air inlet pipe 17 stops the gas, and the third air inlet pipe 18 conducts the gas and presses the moving plate 16, so that the moving plate 16 moves to the bottom end of the moving plate placing cavity 15, so that the moving plate 16 and the drill needle 6 are driven to move up and down in the glue flow channel 12 through the cooperation of the second air inlet pipe 17 and the third air inlet pipe 18, and then the glue in the glue flow channel 12 is squeezed out.

[0029] The second air uniform plate 21 is arranged between the valve body 1 and the atomizing sleeve 3, and the second air uniform plate 21 is transversely located at the bottom end of the valve body 1. The second air uniform plate 21 is formed with a plurality of second air outlet holes 22, and the plurality of second air outlet holes 22 are distributed on the second air uniform plate 21, and the plurality of second air outlet holes 22 are respectively connected with the atomizing sleeve 3 and the valve body 1, so that the gas entering the valve body 1 can flow into the atomizing sleeve 3 more uniformly through the plurality of second air outlet holes 22 on the second air uniform plate 21, and the gas flow around the sleeve opening of the atomizing sleeve 3 is ensured.

[0030] The micrometer 20 is arranged between the valve body 1 and the drill needle 6, is vertically arranged at the outer top end of the valve body 1, and is drivingly connected with the drill needle 6, so that the length of the drill needle 6 extending into the glue flow channel 12 is controlled through the micrometer 20, the stroke of the drill needle 6 is controlled, the gap between the drill needle 6 and the glue outlet of the glue outlet pipe 5 is controlled, and the glue outlet amount is controlled.

[0031] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

Claims

1. A low pressure atomizing valve comprising a valve body, characterized in that, The valve body is internally formed with a glue flow channel, a drill needle is vertically arranged in the glue flow channel, and the drill needle moves in the glue flow channel, one side of the glue flow channel is provided with a small gas collecting cavity which is formed in the valve body and does not communicate with the glue flow channel, an outlet glue pipe is vertically arranged at the bottom end of the valve body and communicates with the valve body and the glue flow channel, an atomizing sleeve is sleeved outside the outlet glue pipe and is connected with the valve body and the small gas collecting cavity through pipelines, an air duct is formed between the atomizing sleeve and the outlet glue pipe and is connected with the small gas collecting cavity through a pipeline, a first air uniformizing plate is arranged between the air duct and the atomizing sleeve and is horizontally arranged at the bottom end of the atomizing sleeve, and a plurality of first air outlets are formed on the first air uniformizing plate.

2. The low-pressure atomizing valve according to claim 1, characterized in that The bottom end of the atomizing sleeve is provided with a wind guide cover which is connected with the atomizing sleeve through a pipeline and is aligned with the bottom end of the outlet glue pipe.

3. The low-pressure atomizing valve according to claim 1, characterized in that A locking ring is arranged between the atomizing sleeve and the valve body, the locking ring is sleeved at the top end of the atomizing sleeve and is connected with the valve body through threads.

4. The low-pressure atomizing valve according to claim 1, characterized in that A glue inlet pipe is arranged at one side of the bottom end of the valve body and is connected with the glue flow channel through a pipeline, and a first air inlet pipe is arranged at the other side of the bottom end of the valve body and is connected with the small gas collecting cavity through a pipeline.

5. The low-pressure atomizing valve according to claim 1, wherein A moving plate placing cavity is formed at the top end of the valve body, a moving plate is horizontally arranged in the moving plate placing cavity and is connected with the drill needle and moves in the same direction as the drill needle, springs are elastically arranged between the moving plate and the moving plate placing cavity, one end of the springs is elastically fixed to the top end of the moving plate placing cavity, and the other end of the springs is elastically fixed to the top end of the moving plate.

6. The low-pressure atomizing valve according to claim 1, characterized in that Third and second air inlet pipes are arranged at the top end of the valve body through pipelines, and the third and second air inlet pipes are connected with the moving plate placing cavity through pipelines.

7. The low-pressure atomizing valve according to claim 1, wherein A second air uniformizing plate is arranged between the valve body and the atomizing sleeve and is horizontally arranged at the bottom end of the valve body, the second air uniformizing plate is formed with a plurality of second air outlets which are arranged on the second air uniformizing plate and are connected with the atomizing sleeve and the valve body through pipelines.

8. The low-pressure atomizing valve according to claim 1, characterized in that A dial gauge is arranged between the valve body and the drill needle and is vertically arranged at the top end of the valve body and is connected with the drill needle through a drive.

Images