CN208592029U - It is a kind of for distributing the bellows system of fluid - Google Patents

Abstract

The utility model discloses a kind of for distributing the bellows system of fluid, including manifold, for distributing the module of fluid, bellows seal in first chamber is set, bellows seal includes the cylindrical part for extending and having first diameter from the first end of bellows seal, convex portion with second diameter, the recess portion extended from the protrusion, the conical section of second end is extended to from the recess portion, the channel that the bending region and the inner surface by extending to second end from first end limited between second point at first point be located on the cylindrical part and in concave portions limits, bellows system further includes the second Room for being configured to receive air stream, it is arranged in second chamber and is configured to the piston moved between the first position and the second position and fixed to the bar on piston, it is logical that bar extends through sylphon seal Road is simultaneously configured to engagement fluid outlet port.The utility model can be avoided the problem of existing ripple tube failure.

Description

It is a kind of for distributing the bellows system of fluid

Technical field

The utility model relates to bellowss to design application field, more particularly, to a kind of for distributing the ripple piping of fluid System.

Background technique

Now, fluid distributor is widely used in many applications, for example, fluid distributor can be used for answering hot melt adhesive For working surface, such as surface of package.In general, the component of fluid distributor is subjected to harsh operating condition, for example, fluid point Orchestration can work in about 250 ° -350 ° of temperature, and pressure limit is about 300-600 ox, in addition, the component of dispenser system is more Secondary circulation, operation commutator system include opening and closing outlet to allow fluid selectively to be distributed.But fluid distributes The continuous circulation of the component of device system and harsh operating condition may cause the component failure of system, for example, in distributor system Sealing element in system may fail after multiple circulation, if seal failure, fluid can flow to fluid dispenser systems In undesirable position, this may cause extensive damage, especially if the case where fluid is adhesive.

Utility model content

The utility model aim is to provide a kind of for distributing the bellows system of fluid, solves to deposit in the prior art with this The problem of.

The utility model solve technical problem adopt the following technical scheme that it is a kind of for distributing the bellows system of fluid, It is characterized in that, the bellows system includes: manifold, the manifold is configured to adjust the stream of moving air and the fluid Dynamic, bellows system further includes the module for distributing fluid, and the module includes being configured to receive the first chamber of fluid, setting The bellows seal in the first chamber is set, and the bellows seal includes from the of the bellows seal One end extends and has the cylindrical part of first diameter, the convex portion with second diameter, and the second diameter is less than The first diameter simultaneously from the cylindrical part extend, the bellows seal further include from the protrusion extend recess portion, The conical section of second end is extended to, in first point be located on the cylindrical part and positioned at the concave shaped portion from the recess portion The channel that the bending region and the inner surface by extending to second end from first end limited between second point on point limits；It is described Bellows system further includes being configured to receive the second Room of air stream, being arranged in the second chamber and be configured at first Set the piston moved between the second position and fixed to the bar on piston, and the bar extends through sylphon seal channel simultaneously It is configured to engagement fluid outlet port.

The utility model has the following beneficial effects:

The utility model provides a kind of for distributing the bellows system of fluid, avoids the bellows generated in the prior art The problem of failure.

Detailed description of the invention

Fig. 1 is the schematic diagram of the utility model bellows system.

Specific embodiment

The technical solution of the utility model is further elaborated below with reference to examples and drawings.

Fig. 1 is the schematic diagram for distributing the bellows system 10 of fluid, such as hot melt adhesive, system 10 includes cold section 12, Hot arc 14, air-source 16, air shut-off valve 17 and controller 18, in the embodiment shown in fig. 1, cold section 12 includes 20 He of container Feeding assembly 22, feeder assembly 22 include vacuum subassembly 24, feeding hose 26 and entrance 28, and hot part 14 includes melt system 30, pump 32, distribution system 34 and supply hose 36, pump 32 include motor 38.Distribution system 34 includes solenoid component 40, manifold 42 and distribution module 44, air-source 16 be the compressed air source that 10 component of system is supplied in cold section 12 and hot arc 14, air Control valve 17 is connected to air-source 16 by air hose 46A, and air shut-off valve 17 selectively controls air-source 16 and passes through sky Gas hose 46B to vacuum subassembly 24 air mass flow, and by air hose 46C control pump 32 motor 38, air hose 46D Air-source 16 is connected to the solenoid component 40 of distribution system 34, bypasses air shut-off valve 17, the control pressure of solenoid component 40 Flowing of the contracting air to distribution module 44, to start distribution module 44 in open position, to distribute liquid adhesive and closing Position, thus prevent liquid adhesive be assigned, controller 18 is communicated with all parts of system 10, as air shut-off valve 17, Melt system 30, pump 32 and/or distribution system 34 and its various parts, for the operation of control system 10, cold section 12 of component It can run at room temperature, without heated, container 20 can be the hopper for accommodating a large amount of solid binder particles, suitably Adhesive may include such as thermoplastic polymer adhesive, such as ethylene-vinyl acetate, and feeder assembly 22 connects container 20 It is connected to hot part 14, for solid binder particles to be transmitted to hot part 14 from container 20, component feeding 22 includes vacuum group Part 24 and feeding hose 26, vacuum subassembly 24 are located in container 20, and the compressed air from air-source 16 is transported to vacuum group To generate vacuum, induction solid binder particles flow into the entrance 28 of vacuum subassembly 24, are then arrived by feed hose 26 part 24 Up to hot part 14.Feed hose 26 is a pipe or other channels, and diameter is more much bigger than the diameter of solid binder particles, To allow solid binder particles to flow freely by feed hose 26, vacuum subassembly 24 is connected to hot part by feed hose 26 14, solid binder particles are transported to melting systems 30 from feed hose 26, and melt system 30 may include slot and resistance heating Element, for melting solid adhesive particle to form liquid hot melt glue, melt system 30 can be designed to have relatively Small binder volume, for example, about 0.5 liter, and be configured as melting solid adhesive particle in a relatively short period of time, pump 32 by Motor 38 drives, and pumps hot melt adhesive from melt system 30, is pumped by supplying flexible pipe 36, and distribute to distribution system 34, motor 38 can be the air motor driven by the pulse of compressed air of air-source 16 and air shut-off valve 17, and pump 32 can be by motor The linear displacement pump of 38 drivings.Hotmelt from pump 32 is received in manifold 42, and is distributed by distribution module 44. Distribution system 34 can selectively discharge hot melt adhesive by distribution module 44, thus by hot melt adhesive from the outlet of distribution module 44 48 are sprayed on object, such as packing material, shell or another object be benefited from the hot melt adhesive that system 10 is distributed, distribution module 44 start under opening mode, and thus hot-melt adhesive is sprayed from outlet 48, and close pattern, to prevent hot melt viscous Mixture sprays outlet 48 by solenoid component 40, and solenoid component 40 provides compressed air to distribution module 44, to open Start distribution module 44 between position and closed position, distribution module 44 can be the multiple of a part as distribution system 34 One in module.Some or all of hot part 14 component, including melt system 30, pump 32, supply hose 38, manifold 42 With distribution module 44, it can be heated to retain hot melt adhesive in the assignment procedure and be in liquid.

The sequencing of above embodiments is not only for ease of description, represent the advantages or disadvantages of the embodiments.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (1)

1. a kind of for distributing the bellows system of fluid, which is characterized in that the bellows system includes: manifold, the discrimination Pipe is configured to adjust the flowing of moving air and the fluid, and bellows system further includes the module for distributing fluid, institute Stating module includes the first chamber for being configured to reception fluid, the bellows seal being arranged in the first chamber, and described Bellows seal includes extending and having the cylindrical part of first diameter from the first end of the bellows seal, have The convex portion of second diameter, and the second diameter is less than the first diameter and extends from the cylindrical part, it is described Bellows seal further includes the conical section for extending to second end from the recess portion of protrusion extension, from the recess portion, is being located at institute State the bending region limited between and the second point on the recess portion at first on cylindrical part point and by from first end Extend to the channel that the inner surface of second end limits；The bellows system further includes the second chamber for being configured to receive air stream Room is arranged in the second chamber and is configured to the piston moved between the first position and the second position and is fixed to piston On bar, and the bar extend through sylphon seal channel and be configured to engagement fluid outlet port.