CN200970563Y

CN200970563Y - Hand held filling gun

Info

Publication number: CN200970563Y
Application number: CN 200620068176
Authority: CN
Inventors: 陈国华
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-11-24
Filing date: 2006-11-24
Publication date: 2007-11-07
Anticipated expiration: 2016-11-24

Abstract

This utility model relates to a hand held injection gun of injection liquid plastic raw material. The front of main body is provided with nozzle, and the nozzle is provided with a plurality of high pressure gas hole; the guide groove is provided in the main body, this guide groove is matched with one valve spool, both sides of the guide groove are respectively provided with feed tube and valve device connected with feed tube; one lateral feed hole is provided on the valve spool, the vertical flow diversion hole connected with feed hole is provided on the front face of valve spool; the valve device is the needle valve, the front of needle is matched with tapered hole which is installed at both sides of guide groove. Because the needle valve is provided at both sides of guide groove, and the valve spool is provided with lateral feed hole and vertical flow diversion hole, accordingly, the problem that the raw materials are accumulated in the valve can be solved, and the raw material sprayed from one side won't reach the other side, so as to solve the problem that the remaining raw materials are accumulated on the inner wall of guide groove. In addition, the raw materials are sprayed from needle valve in the form of fog, and the mixed effect is also fine.

Description

A kind of hand-held Filling gun

Technical field:

The utility model relates to the injection-moulding device technical field, especially relates to a kind of sealant raw material Filling gun of hand-held.

Background technology:

Injection-moulding device is one of equipment common in the industrial circle, in many injection-moulding devices, a kind of Filling gun of hand-held is arranged, and it can be used for fixedly spraying plastic material (as polyurethane etc.) in the surface of article etc. as refrigerator, refrigerator or other packing.Common hand-held Filling gun is by main body and be connected the main body below so that the handle that the user grips is formed; Its body front end is provided with nozzle, offers a plurality of high pressure pores on the nozzle, then offers gathering sill in the main body, and this gathering sill cooperates with a solid spool.The valving that the both sides of gathering sill are respectively arranged with feed pipe and are connected with feed pipe.Its operation principle is: when perfusion, spool is mentioned, and the charging hole that is opened in the gathering sill both sides is exposed, and simultaneously, valving is opened, and raw material sprays in the gathering sill via charging hole from feed pipe, and mixes within it, sprays via the gathering sill front end at last.And in the time will stopping to pour into operation, the oil/cylinder that is arranged on body rear drives spool and moves forward, and blocks the charging hole that is opened in the gathering sill both sides; In addition, when spool moved forward, the raw material that will residue on the gathering sill inwall along band was extruded again.The hand-held Filling gun of this structure mainly exists following weak point: at first, the valving that is connected with feed pipe is made up of the steel ball and the spring that are arranged in the guide pipe, because it realizes valve open or the purpose of closing by stretching of spring, make that the length of guide pipe is longer, raw material deposits easily in guide pipe, not only clean difficulty, and will cause valving work undesired; Secondly, raw material from the charging hole that is opened in the gathering sill both sides with in the water column shape form spirt gathering sill, mixed effect is undesirable, and injects easily and deposit in the charging hole of offside from the liquid charging stock of the charging hole of side ejection, also causes the abnormal problem of valving work easily; In addition, this bottler placer is to remove residual raw materials on alluvial and the gathering sill inwall by moving of spool, and spool is scratched easily, therefore needs often to change spool, causes production cost to improve.

The utility model content:

The purpose of this utility model provides a kind of hand-held Filling gun with regard to being at the deficiencies in the prior art part, this hand-held Filling gun is unlikely raw material to be occurred and deposits in valve and deposit problem on the gathering sill inwall of residual raw materials, also very good via the mixed effect of the raw material of its ejection.

For achieving the above object, the utility model comprises: Filling gun main body and handle, wherein, body front end is provided with nozzle, offers a plurality of high pressure pores on the nozzle, then offers gathering sill in the main body, this gathering sill cooperates with a spool, the valving that the both sides of gathering sill are respectively arranged with feed pipe and are connected with feed pipe offers a horizontal charging hole on the described spool, offer the pod apertures longitudinally that is communicated with charging hole on the front end face of spool; Described valving is a needle-valve, and the front end of its thimble cooperates with the bellmouth that is opened in the gathering sill both sides.

The rear end of the thimble of described needle-valve is provided with spring and adjusting screw(rod), and wherein, adjusting screw(rod) cooperates with the threaded block that is arranged on bottler placer main body both sides, and its front end withstands on the rear end face of thimble, and spring then is arranged between screw rod and the thimble.

Between the thimble of feed pipe and needle-valve, be provided with screen pipe.

Both sides, described nozzle rear end offer clean-out opening.

Described spray nozzle front end is provided with the side plate of two position symmetries, also offers a plurality of high pressure pores on the side plate.

The beneficial effects of the utility model are: because it is provided with needle-valve in the both sides of gathering sill, and in spool, offer horizontal charging hole and reach pod apertures longitudinally, so not only can solve deposit problem in valve of raw material well, and the unlikely offside that is mapped to of raw material from side ejection, and can only inject in the horizontal charging hole, thereby avoid deposit problem on the gathering sill inwall of residual raw materials.In addition, raw material via the gap of regulating between thimble and the bellmouth after with vaporific form ejection, mixed effect is very good again.

Description of drawings:

Below in conjunction with accompanying drawing the utility model is described further:

Accompanying drawing 1 is a perspective view of the present utility model

Accompanying drawing 2 is one of sectional structure schematic diagram of the utility model main body (perfusion state)

Accompanying drawing 3 is two (stopping perfusion state) of the sectional structure schematic diagram of the utility model main body

The specific embodiment:

The following stated only is preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.

See shown in the accompanying drawing 1～3: hand-held Filling gun of the present utility model totally is the pistol shape, and it includes Filling gun main body 100 and handle 200; Wherein, the front end of main body 100 is provided with the nozzle 10 of plate-like, offers a plurality of high pressure pores 11 on the nozzle 10, during operation, liquid charging stock flows out in pod apertures 32, and is adjusted in the rounded distribution of the body surface that is sprayed via the gases at high pressure of ejection in the high pressure pore 11.Front end in the main body 100 offers gathering sill 20, and this gathering sill 20 cooperates with a spool 30, and spool 30 is driven by the cylinder 110 that is arranged on Filling gun main body 100 rear ends; The needle-valve that the both sides of gathering sill 20 are respectively arranged with feed pipe 40 and are connected with feed pipe 40 for improving spraying effect, also is provided with screen pipe 60 between feed pipe 40 and needle-valve.The front end of the thimble 51 of needle-valve cooperates with the bellmouth 21 that is opened in gathering sill 20 both sides, when the front end of thimble 51 is blocked bellmouth 21 needle-valve of gathering sill 20 left sides in accompanying drawing 2 and the accompanying drawing 3 (see shown in), promptly cut off the passage between feed pipe 40 and the spool 30, just stop perfusion state, and when thimble 51 is backed down by the liquid charging stock that enters in feed pipe 40, exist the certain slit needle-valve of gathering sill 20 right sides in accompanying drawing 2 and the accompanying drawing 3 (see shown in) between its front end and the bellmouth 21, raw material can enter in the spool 30 from this slit.

In order to regulate the pressure that enters the liquid charging stock in the spool 30 from thimble 51, the rear end of thimble 51 is provided with spring 52 and adjusting screw(rod) 53, wherein, adjusting screw(rod) 53 cooperates with the threaded block 54 that is arranged on bottler placer main body 100 both sides, its front end withstands on the rear end face of thimble 51, and 52 on spring is arranged between screw rod 53 and the thimble 51.Like this, only need to rotate adjusting screw(rod) 53, can regulate the distance that thimble 51 retreats, that is to say the gap size of regulating between thimble 51 front ends and the bellmouth 21, thereby reach the pressure of clamp-oning the liquid charging stock in the spool 30 from this slit, it is sprayed in the spool 30 with vaporific form.

Offer a horizontal charging hole 31 on the spool 30, then offer the pod apertures longitudinally 32 that is communicated with charging hole 31 on the front end face of spool 30, spray into charging hole 31 and mix mutually within it from the fog-like liquid raw material of bellmouth 21 ejection of gathering sill 20 both sides, after pod apertures 32 flow out.

Both sides, nozzle 10 rear end offer clean-out opening 12, after finishing when perfusion, feed gases at high pressure the pod apertures 32 of spool 30 front ends is cleaned.

Nozzle 10 front ends are provided with the side plate 70 of two position symmetries, also offer a plurality of high pressure pores 71 on the side plate 70, the gases at high pressure that come out from high pressure pore 71 can make the flat spray of raw material of flowing out from pod apertures 32 (liquid charging stock that is to say ejection be by the spraying object surfaces block, as rectangular-shaped distribution, rather than rounded distribution) on object.

Narrate operation principle of the present utility model below, when spool 30 is mentioned under the drive of cylinder 110, see shown in the accompanying drawing 2: the cross-feed hole 31 on it is over against the bellmouth 21 of gathering sill 20 both sides, meanwhile, raw material enters from feed pipe 40, back down thimble 51, and sentence vaporific form from the slit between thimble 51 and the bellmouth 21 and spray in the charging hole 31 on the spool 30, and mix within it, afterwards, flow in the pod apertures 32 that is communicated with charging hole 31, when mixed raw material arrives pod apertures 32 front ends, at the high pressure pore 11 from the nozzle 10 under the effect of air pressure or the gases at high pressure of high pressure pore 71 ejections from the side plate 70 can break into raw material bulk or toroidal.Or actually when being sprayed at body surface as for raw material with the toroidal rectangular-shaped distribution that distributes, then can be positioned at adjusting knob 120 on the Filling gun main body 100 by adjusting, change gas circuit and can realize that required spraying method (sees on the Filling gun that the detailed structure of knob 120 and gas circuit can be buied from the market, be familiar with by the public, do not repeated them here).When spool 30 moved forward under the drive of cylinder 110, the charging hole 31 on it was not corresponding with bellmouth 21 positions of gathering sill 20 both sides, and the raw material that sprays from bellmouth 21 can't enter in the pod apertures 32 of spool 30 front ends, thereby stops spraying operation.And moving to the charging hole 31 that makes on it when relative with clean-out opening 12 positions of both sides, nozzle 10 rear end when spool 30 advances, gases at high pressure enter in the pod apertures 32 via charging hole 31 from clean-out opening 12, thereby realize the cleaning to residual raw materials in the pod apertures 32.

Claims

1. hand-held Filling gun, comprise: Filling gun main body (100) and handle (200), wherein, main body (100) front end is provided with nozzle (10), offer a plurality of high pressure pores (11) on the nozzle (10), then offer gathering sill (20) in the main body (100), this gathering sill (20) cooperates with a spool (30), the valving that the both sides of gathering sill (20) are respectively arranged with feed pipe (40) and are connected with feed pipe (40), it is characterized in that: offer a horizontal charging hole (31) on the described spool (30), offer the pod apertures longitudinally (32) that is communicated with charging hole (31) on the front end face of spool (30); Described valving is a needle-valve, and the front end of its thimble (51) cooperates with the bellmouth (21) that is opened in gathering sill (20) both sides.

2. hand-held Filling gun according to claim 1, it is characterized in that: the rear end of the thimble of described needle-valve (51) is provided with spring (52) and adjusting screw(rod) (53), wherein, adjusting screw(rod) (53) cooperates with the threaded block (54) that is arranged on bottler placer main body (100) both sides, its front end withstands on the rear end face of thimble (51), and spring (52) then is arranged between screw rod (53) and the thimble (51).

3. hand-held Filling gun according to claim 1 and 2 is characterized in that: be provided with screen pipe (60) between the thimble (51) of feed pipe (40) and needle-valve.

4. hand-held Filling gun according to claim 3 is characterized in that: described nozzle (10) both sides, rear end offer clean-out opening (12).

5. hand-held Filling gun according to claim 4 is characterized in that: described nozzle (10) front end is provided with the side plate (70) of two position symmetries, also offers a plurality of high pressure pores (71) on the side plate (70).