CN205270038U

CN205270038U - Glue dispensing valve

Info

Publication number: CN205270038U
Application number: CN201620018749.3U
Authority: CN
Inventors: 韩明亮; 肖立新
Original assignee: Weihai Shichun Automation Equipment Co Ltd
Current assignee: Weihai Shichun Automation Equipment Co Ltd
Priority date: 2016-01-08
Filing date: 2016-01-08
Publication date: 2016-06-01
Anticipated expiration: 2026-01-08

Abstract

The utility model provides a glue dispensing valve, it has been solved, and present glue dispensing valve seal structure is unstable, the life -span is shorter, results in the colloid to get into the technical problem that the cylinder produced kickback easily, and it is equipped with valve body, cylinder and stroke adjusting nut, cylinder and valve body fixed connection, the cylinder is equipped with cylinder inner chamber and cylinder head, and stroke adjusting nut passes the cylinder head and enters into the cylinder inner chamber, still be equipped with piston and spring in the cylinder inner chamber, hinge joint has the thimble, be equipped with the diaphragm between valve body and the cylinder, the diaphragm is equipped with the arc arch, the utility model discloses but the wide application is on the point gum machine.

Description

A kind of glue dispensing valve

Technical field

The utility model relates to a kind of valve body, particularly relates to a kind of glue dispensing valve.

Background technology

Glue dispensing valve is the valve body controlled by fluid specially, and it is by colloid drop, the surface being coated on product or inside, in order to realize the sealing to product or fixing. Fluid materials, gel quantity for different viscosity require and tolerance range, it is possible to mate different fluid glue dispensing valves.

Glue dispensing valve is the problems such as many enterprise users solve in short supply, artificial of personnel labor force glue operation efficiency is low, qualification rate product is low and fluid material waste is big, improve quality product and the production capacity of enterprise, reduce production cost and manufacturing cost, but the sealed structure between existing glue dispensing valve valve body and cylinder is unstable, life-span is shorter, easily cause colloid to enter in cylinder after tearing, cause bad consequence.

Summary of the invention

The utility model is unstable for existing glue dispensing valve sealed structure, the life-span is shorter, it is easy to cause colloid to enter the technical problem of cylinder generation adverse consequences, it is provided that a kind of sealed structure is stable, the life-span is longer, the glue dispensing valve of good sealing effect.

For this reason, the utility model is provided with valve body, cylinder and stroke adjustment nut, and cylinder is fixedly connected with valve body, and cylinder is provided with cylinder inner cavity and cylinder head, and stroke adjustment nut enters into cylinder inner cavity through cylinder head; Also being provided with piston and spring in cylinder inner cavity, piston is connected with thimble; Being provided with diaphragm between valve body and cylinder, diaphragm is provided with arc convex.

Preferably, piston is divided into first piston and the 2nd piston, and first piston is fixedly connected with by screw with the 2nd piston, and spring one end is set on the 2nd piston, and the other end is set in cylinder head.

Preferably, thimble is provided with valve rod and spool; Being provided with glue chamber in valve body, valve rod is located in glue chamber; Spool one end is connected with first piston by screw, and the other end stretches out from cylinder and is fixedly connected with valve rod.

Preferably, between spool and cylinder, between first piston and the 2nd between piston and cylinder, first piston and the 2nd piston, it is equipped with O RunddichtringO, stroke adjustment nut is provided with nut with cylinder head adjacent.

The diaphragm seal pad that the utility model has arc convex by being provided with between valve body and cylinder, make spool give diaphragm certain motion surplus in motion back and forth, thus avoid gasket and tear the risk making glue enter cylinder, Stability Analysis of Structures, life-span is longer, and sealing effect is ideal.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is left view of the present utility model;

Fig. 3 is the A-A view of Fig. 2;

Fig. 4 is the enlarged view of B in Fig. 3.

Nomenclature in figure:

1. valve body; 2. cylinder; 3. cylinder head; 4.O RunddichtringO; 5. cylinder inner cavity; 6. first piston; 7. the 2nd piston; 8. screw; 9. spring; 10. stroke adjustment nut; 11. glue chambeies; 12. gaskets; 13. spools; 14. valve rods; 15. diaphragms; 16. enter Jiao Kou; 17. threaded bends lead to.

Embodiment

Below in conjunction with embodiment, the utility model is described further.

As shown in Figure 1, Figure 2 and Figure 3, the utility model is provided with valve body 1 and cylinder 2, the mode that one end of cylinder 2 coordinates by crossing and valve body 1 form a fixed connection, and the other end is fixedly connected with cylinder head 3 by nut, is provided with O RunddichtringO 4 between cylinder 2 and cylinder head 3.

Being provided with cylinder inner cavity 5 in cylinder 2, be provided with first piston 6 and the 2nd piston 7 in cylinder inner cavity 5, first piston 6 is fixedly connected with by screw 8 with the 2nd piston 7, is and is slidably connected between first piston 6 and the 2nd piston 7 and cylinder inner cavity wall. Also being provided with spring 9 between 2nd piston 7 and cylinder head 3, one end of spring 9 is set on the external part of the 2nd piston 7, and the other end is set on the external part of cylinder head 3.

The utility model is also provided with stroke adjustment nut 10, and stroke adjustment nut 10 enters into cylinder 2 through cylinder head 3, and adjacent with screw 8. By rotating distance setting nut 10, it is possible to make screw 8 drive the 2nd piston 7 and first piston 6, spool 13 and valve rod 14 to move down, and then gel quantity can be regulated.

Also being provided with glue chamber 11 in valve body 1, the front end in glue chamber 11 is provided with nozzle, and nozzle place is provided with gasket 12. Also being fixedly connected with spool 13 on screw 8 in first piston 6, be also provided with valve rod 14 in glue chamber 11, spool 13 stretches out from cylinder 2 and is fixedly connected with the valve rod in glue chamber 11. Also being provided with into glue mouth 16 on valve body 1, enter glue mouth 16 and communicate with glue chamber 11, when glue filled with by needs, from entering, glue mouth 16 enters into glue chamber 11 to colloid.

As shown in Figure 4, being provided with diaphragm 15 between valve body 1 and cylinder 2, diaphragm 15 is provided with arc convex. The effect of diaphragm 15 is sealing, and valve body 1 and cylinder 2 are separated by it, and the glue prevented in valve body 1 in glue chamber 11 enters into cylinder 2 and brings bad consequence. Also being provided with threaded bend logical 17 on cylinder 2, threaded bend logical 17 communicates with cylinder inner cavity 5.

Between spool 13 and cylinder 2, first piston 6 and between the 2nd piston 7 and cylinder 2, be equipped with O RunddichtringO 4 between first piston 6 and the 2nd piston 7. Stroke adjustment nut 10 is also provided with nut with cylinder head 3 adjacent.

Below working process of the present utility model is illustrated.

When until glue spraying, valve rod 14 withstands on the gasket 12 at valve body 1 nozzle place under the effect of spring 9, and the glue in glue chamber 11 can not spray. When needs glue spraying, from entering, glue mouth 16 enters into glue chamber 11 to glue, gas enters into cylinder inner cavity 5 by threaded bend logical 17, pressure in cylinder inner cavity 5 becomes big, the elastic force that first piston 6 and the 2nd piston 7 overcome spring 9 moves up, and then spool 13 and valve rod 14 are also together moved up, now, the nozzle place of valve body 1 opens, and glue sprays smoothly. After glue spraying completes, another threaded bend logical 17 is given vent to anger, and the pressure recovery in cylinder inner cavity 5 is normal, and spring 9 recovers deformation, and valve rod moves for 14 times, and nozzle place is shut, and completes a work period.

The structure of the utility model inside can also be more simple, and first piston 6 and the 2nd piston 7 can merge into a piston, and valve rod 14 and spool 13 can merge into a thimble, and piston is directly connected with thimble.

Only as described above; it is only specific embodiment of the utility model; when can not limit the scope of the utility model enforcement with this; therefore the displacement of its equivalent assemblies; or the equivalent variations done according to the utility model scope of patent protection and amendment, all should still belong to the category that the utility model claim book is contained.

Claims

1. a glue dispensing valve, it is provided with valve body, cylinder and stroke adjustment nut, and described cylinder is fixedly connected with described valve body, and described cylinder is provided with cylinder inner cavity and cylinder head, and described stroke adjustment nut enters into described cylinder inner cavity through described cylinder head; Also being provided with piston and spring in described cylinder inner cavity, described piston is connected with thimble; It is characterized in that being provided with diaphragm between described valve body and described cylinder, described diaphragm is provided with arc convex.

2. glue dispensing valve according to claim 1, it is characterised in that described piston is divided into first piston and the 2nd piston, and described first piston is fixedly connected with by screw with the 2nd piston, and described spring one end is set on the 2nd piston, and the other end is set in cylinder head.

3. glue dispensing valve according to claim 2, it is characterised in that described thimble is provided with valve rod and spool; Being provided with glue chamber in described valve body, described valve rod is located in described glue chamber; Described spool one end is connected with described first piston by described screw, and the other end stretches out from described cylinder and is fixedly connected with described valve rod.

4. glue dispensing valve according to claim 3, it is characterized in that between described spool and cylinder, between described first piston and the 2nd between piston and cylinder, described first piston and the 2nd piston, it be equipped with O RunddichtringO, described stroke adjustment nut is provided with nut with described cylinder head adjacent.