CN208812384U - A kind of foam gun with regulating mechanism - Google Patents
A kind of foam gun with regulating mechanism Download PDFInfo
- Publication number
- CN208812384U CN208812384U CN201821501132.2U CN201821501132U CN208812384U CN 208812384 U CN208812384 U CN 208812384U CN 201821501132 U CN201821501132 U CN 201821501132U CN 208812384 U CN208812384 U CN 208812384U
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- China
- Prior art keywords
- piston
- oil cylinder
- cavity
- mixing
- regulating mechanism
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- Expired - Fee Related
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Abstract
The utility model provides a kind of foam gun with regulating mechanism, including mixing head, first piston oil cylinder, second piston oil cylinder, pipette tips, the front side of mixing head is arranged in pipette tips, first piston oil cylinder is in the rear side that mixing head is arranged in, the upside of mixing head is arranged in second piston oil cylinder, mixing cavity is provided in mixing head, discharge cavity, mixing cavity is connect with discharging cavity, the regulating mechanism for adjusting First piston bar start-stop position is equipped in the first piston oil cylinder, the regulating mechanism includes adjusting screw, locking nut, the adjusting screw is arranged on the end cap of first piston oil cylinder, adjusting screw is fixed on end cap by the locking nut；The end cap is equipped with screw hole, and the adjusting screw is threadedly coupled with screw hole and can move in screw hole.The fine tuning that the start-stop position of First piston bar may be implemented by regulating mechanism adjusts the pusher end of First piston bar and the initial position of mixing cavity junction.
Description
Technical field
The utility model relates to polyurethane foaming equipment technical fields, are to be related to a kind of band regulating mechanism more specifically
Foam gun.
Background technique
High pressure foaming machine mixing pipette tips are the significant components of polyurethane foaming machine, and the working principle of polyurethane foam is:
" white material " and " black material " two kinds of raw materials are commonly called as to be injected in by nozzle in the mixing cavity of mixing head, white material and black material mixing after by
The First piston bar of high-pressure foam rifle is pushed in the cavity that need to be foamed, such as the insulating layer cavity of refrigerator, mixed raw material
Chemical reaction occurs quickly to form foam and condense hardening.High-pressure foam rifle is usually lived by mixing head, first piston oil cylinder, second
Oil cylinder composition is filled in, before starting foaming, the second piston bar of second piston oil cylinder is lifted up, and opens mixing cavity, and foaming is opened
Begin, the white material of high pressure and black material are injected from two nozzle mesohighs spray respectively, mix in mixing cavity, and going out from through hole shape
Expect to enter cavity to be foamed in cavity, foaming terminates, and second piston bar moves down closing mixing cavity, first piston oil cylinder
First piston bar moves along the discharging cavity of through hole shape, and clout is released mixing chamber.
Currently, the start-stop position of the First piston bar of most of foam guns be it is fixed, First piston bar is in returns state
When, top is just parked in the edge of mixing cavity, has been easy to cause foam material mixing quality when rifle, receipts rifle bad, to make
Integral quality decline.
In addition, the piston of first piston oil cylinder does not position, and it is generally provided with inductive probe on first piston oil cylinder, with
The position signal of piston is provided to control system.Inductive probe majority is arranged in the side of piston, however in piston motion, the
One piston head is easy to collide inductive probe, so will cause the damage of inductive probe, and the price of inductive probe compares
Valuableness, procurement cycle are long, thus will increase use cost.
Utility model content
The purpose of this utility model is to provide a kind of foam gun with regulating mechanism, the can be finely tuned by being equipped with regulating mechanism
The start-stop position of one piston rod, with overcome the deficiencies in the prior art.
The technical scheme in the invention for solving the technical problem is: a kind of foam gun with regulating mechanism, including mixing
The front side of mixing head, the first piston oil cylinder is arranged in head, first piston oil cylinder, second piston oil cylinder, pipette tips, the pipette tips
In the rear side that mixing head is arranged in, the upside of mixing head is arranged in the second piston oil cylinder, is provided in the mixing head mixed
Expect cavity, discharging cavity, a pair of nozzles, from nozzle by the raw material of two components respectively to mixing cavity high-pressure injection, the mixing
Cavity is connect with discharging cavity, and the First piston bar of the first piston oil cylinder moves in discharging cavity, the second piston
The second piston bar of oil cylinder moves in mixing cavity, is equipped in the first piston oil cylinder for adjusting First piston bar start-stop
The regulating mechanism of position, the regulating mechanism include adjusting screw, locking nut, and the adjusting screw setting is in first piston oil
On the end cap of cylinder, adjusting screw is fixed on end cap by the locking nut；The end cap be equipped with screw hole, the adjusting screw with
Screw hole is threadedly coupled and can move in screw hole.
The head of the adjusting screw can offset with first piston head, and sealing is equipped between the head and the inner wall of end cap
Circle.
The adjusting screw is adjusted, the top at the pusher end of the First piston bar can cross the edge 1- of mixing cavity
5mm。
It further include that the inductive probe of the position signal of piston is provided to control system, the end cap of the first piston oil cylinder
Side is equipped with the installation cavity for installing inductive probe, and the installation cavity is equipped with the erecting bed for placing restrictions on the inductive probe stroke
Rank.
The surface at the pusher end of the First piston bar is equipped with chrome layer.
The beneficial effects of the utility model are:
The utility model provides a kind of foam gun with regulating mechanism, and First piston bar may be implemented by regulating mechanism
The fine tuning of start-stop position adjusts the pusher end of First piston bar and the initial position of mixing cavity junction.It is not provided with position
The foam gun of micro-adjusting mechanism, for First piston bar in returns state, pusher end is just parked in the edge of mixing cavity.Pass through adjusting
Mechanism can require according to different foaming qualities, make First piston bar in returns state, mixing is crossed on the top at pusher end
The edge of cavity about 1-5mm, make mixing cavity with the discharging unexpected undergauge of cavity intersection, to play throttling, pressurization,
Foam material mixing quality when rifle, receipts rifle can have been improved.
In addition, the utility model also realizes positioning when inductive probe is installed by setting installation step, can prevent from transporting
First piston head collides inductive probe when dynamic.In addition, the surface at the pusher end of First piston bar is equipped with chrome layer, the can be made
One piston rod and mixing head are not susceptible to hinged phenomenon, so that First piston bar and mixing head is more durable, longer life expectancy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of foam gun of the utility model with regulating mechanism.
Fig. 2 is the partial sectional view of foam gun of the utility model with regulating mechanism.
Fig. 3 is the partial sectional view (main view) that header structure is mixed in the utility model.
Fig. 4 is the partial sectional view (left view) of end cover structure in the utility model.
Fig. 5 is the cross-sectional view of the line A-A of the utility model middle-end cover rim Fig. 4.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " transverse direction ", "upper", "lower", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.Unless
It is otherwise noted, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should broadly understood, for example, it may be being fixedly connected.It may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Referring to Fig. 1-5, a kind of foam gun with regulating mechanism, including mixing head 1, first piston oil cylinder 2, second piston oil
The front side of mixing head 1 is arranged in cylinder 3, separation sleeve 4, pipette tips 5, pipette tips 5, and the rear side of mixing head 1 is arranged in first piston oil cylinder 2,
The upside of mixing head 1 is arranged in second piston oil cylinder 3, and separation sleeve 4 is arranged between mixing head 1 and first piston oil cylinder 2.
The left and right sides of mixing head 1 is equipped with the feed inlet 12 and feedback outlet 13 of nozzle chambers 11, foaming raw material, and front side is equipped with
The discharge port 14 of mixed material；Between feed inlet 12 and discharge port 14, feedback outlet 13 is located above nozzle chambers 11.Nozzle chambers
The nozzle of high-pressure injection is installed, nozzle is piston type nozzle, and end is injection orifice, has needle in nozzle in 11.Mixing head 1
Inside is equipped with charging cavity 15, feed back cavity 16, discharging cavity 17, mixing cavity 18, and mixing cavity 18 and discharging cavity 17 hang down
Straight intersection；Charging cavity 15 is communicated with ipsilateral feed inlet 12 and nozzle chambers 11, feed back cavity 16 and ipsilateral 13 phase of feedback outlet
Logical, discharging cavity 17 is communicated with discharge port 14, and discharge port 14 is communicated with pipette tips 5, and mixing cavity 18 can be with nozzle chambers 11, feed back chamber
Road 16, discharging cavity 17 communicate.
First piston oil cylinder 2 includes Ffirst cylinder 21, first piston head 22, First piston bar 23, regulating mechanism, and first is living
Chock plug 22 is fixedly connected with First piston bar 23, and first piston head 22 is located in Ffirst cylinder 21, and regulating mechanism is arranged first
Oil cylinder 21, First piston bar 23 can move back and forth along discharging cavity 17.The surface at the pusher end 24 of First piston bar 23 is equipped with
Chrome layer improves surface hardness, since the surface at pusher end 24 and mixing head 1 are not same materials, is less prone to hinged phenomenon,
So that First piston bar 23 and mixing head 1 is more durable, longer life expectancy.Setting seal assembly 41 is in separation sleeve 4 to prevent from steeping
Material drives in the wrong direction along 23 surface of First piston bar to be entered in Ffirst cylinder 21.
Regulating mechanism is for adjusting 23 start-stop position of First piston bar comprising adjusting screw 27, locking nut 28；First
The rear end of the end cap 25 of oil cylinder 21 is equipped with the extraneous screw hole 26 of connection, and adjusting screw 27 is from 25 inside of end cap and 26 screw thread of screw hole
Connection, and adjusting screw 27 can move in screw hole 26, and adjusting screw 27 is fixed on end cap 25 by locking nut 28.First
The end of piston head 22 can offset with the head of adjusting screw 27, the position of adjusting screw 27 be adjusted, so that the top at pusher end 24
End can cross the edge about 1-5mm of mixing cavity 18.Sealing ring is equipped between the head of adjusting screw 27 and the inner wall of end cap 25.
The installation cavity 61 for installing inductive probe 6 is additionally provided on the side of end cap 25, inductive probe 6 is mentioned to control system
For the position signal of piston；Installation cavity 61 is communicated with the cavity of Ffirst cylinder 21, is equipped in installation cavity 61 and is placed restrictions on 6 row of inductive probe
The installation step 62 of journey, inductive probe 6, which can only stretch to, to be resisted against on installation step 62, cannot extend into the chamber of Ffirst cylinder 21
In vivo, it is avoided that and collides inductive probe 6 when first piston head 22 moves in the cavity of Ffirst cylinder 21.
The second piston bar 31 of second piston oil cylinder 3 is moved up and down along mixing cavity 18, and bottom end two sides are equipped with groove,
It is open towards ipsilateral feed back cavity 16, for being connected to ipsilateral nozzle chambers 11 and feed back cavity 16.In the state of no foaming
Under lower or foaming original state, the groove of 31 bottom end of second piston bar is connected to ipsilateral nozzle chambers 11 and feed back cavity 16, and
Communicate nozzle chambers 11 with mixing cavity 18, raw material enters nozzle chambers 11 through feeding cavity 15, by nozzle injection to groove
It is interior, then feedback outlet 13 is back to through feed back cavity 16.In the operating condition, second piston oil cylinder 3 drives in second piston bar 31
Row, is connected to nozzle chambers 11 with mixing cavity 18, and raw material enters nozzle chambers 11 through charging cavity 15, by nozzle by intracavitary original
Material is injected into mixing in mixing cavity 18, and mixed material is delivered to discharge port 14 through discharging cavity 17, enters through pipette tips 5 to be foamed
Cavity in.Setting injection time is reached, the lower nozzle chambers 11 of exercising of second piston bar 31 are not communicated with mixing cavity 18, and first lives
Filling in oil cylinder 2 drives First piston bar 23 that salvage stores is released discharging cavity 17, and working cycles are completed.
The fine tuning of the start-stop position of First piston bar may be implemented by regulating mechanism for the utility model, adjust first piston
The top at the pusher end of bar and the initial position of mixing cavity junction.It is not provided with the foam gun of fine position mechanism, first
For piston rod in returns state, the top at pusher end is just parked in the edge of mixing cavity.It, can be according to difference by regulating mechanism
Foaming quality requirement, make First piston bar in returns state, the edge about 1- of mixing cavity is crossed on the top at pusher end
5mm, make mixing cavity with the discharging unexpected undergauge of cavity intersection, to play throttling, pressurization, can improve rifle,
Receive foam material mixing quality when rifle.
In addition, the utility model also realizes positioning when inductive probe is installed by setting installation step, can prevent from transporting
First piston head collides inductive probe when dynamic.In addition, the surface at the pusher end of First piston bar is equipped with chrome layer, the can be made
One piston rod and mixing head are not susceptible to hinged phenomenon.
While there has been shown and described that the embodiments of the present invention, those skilled in the art should understand that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are limited by claim and its equivalent replacement, without changing made by creative work
Into etc., it should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of foam gun with regulating mechanism, including mixing head, first piston oil cylinder, second piston oil cylinder, pipette tips, the rifle
The front side of mixing head is arranged in head, and the first piston oil cylinder is set in the rear side that mixing head is arranged in, the second piston oil cylinder
It sets and is provided with mixing cavity, discharging cavity, a pair of nozzles in the upside of mixing head, the mixing head, by nozzle by two components
Raw material respectively to mixing cavity high-pressure injection, the mixing cavity is connect with discharging cavity, the of the first piston oil cylinder
One piston rod moves in discharging cavity, and the second piston bar of the second piston oil cylinder moves in mixing cavity, feature
It is: is equipped with the regulating mechanism for adjusting First piston bar start-stop position, the regulating mechanism in the first piston oil cylinder
Including adjusting screw, locking nut, the adjusting screw is arranged on the end cap of first piston oil cylinder, and the locking nut will be adjusted
Section screw is fixed on end cap；The end cap is equipped with screw hole, and the adjusting screw is threadedly coupled with screw hole and can move in screw hole
It is dynamic.
2. according to claim 1 with the foam gun of regulating mechanism, it is characterised in that: the head of the adjusting screw can be with
One piston head offsets, and sealing ring is equipped between the head and the inner wall of end cap.
3. according to claim 2 with the foam gun of regulating mechanism, it is characterised in that: adjust the adjusting screw, described
The top at the pusher end of one piston rod can cross the edge 1-5mm of mixing cavity.
4. according to claim 1 with the foam gun of regulating mechanism, it is characterised in that: further include providing piston to control system
Position signal inductive probe, the side of the end cap of the first piston oil cylinder is equipped with the installation for installing inductive probe
Chamber, the installation cavity are equipped with the installation step for placing restrictions on the inductive probe stroke.
5. according to claim 1 with the foam gun of regulating mechanism, it is characterised in that: the pusher end of the First piston bar
Surface is equipped with chrome layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821501132.2U CN208812384U (en) | 2018-09-13 | 2018-09-13 | A kind of foam gun with regulating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821501132.2U CN208812384U (en) | 2018-09-13 | 2018-09-13 | A kind of foam gun with regulating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208812384U true CN208812384U (en) | 2019-05-03 |
Family
ID=66277067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821501132.2U Expired - Fee Related CN208812384U (en) | 2018-09-13 | 2018-09-13 | A kind of foam gun with regulating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208812384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115530211A (en) * | 2022-11-07 | 2022-12-30 | 南京奥印智能装备科技有限公司 | Two-stage feeding plunger type spray head suitable for viscous state material |
-
2018
- 2018-09-13 CN CN201821501132.2U patent/CN208812384U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115530211A (en) * | 2022-11-07 | 2022-12-30 | 南京奥印智能装备科技有限公司 | Two-stage feeding plunger type spray head suitable for viscous state material |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190503 Termination date: 20190913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |