CN205684274U - Glue dripping head - Google Patents
Glue dripping head Download PDFInfo
- Publication number
- CN205684274U CN205684274U CN201620597443.8U CN201620597443U CN205684274U CN 205684274 U CN205684274 U CN 205684274U CN 201620597443 U CN201620597443 U CN 201620597443U CN 205684274 U CN205684274 U CN 205684274U
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- China
- Prior art keywords
- rubber sleeve
- point
- dispensing needle
- glue dripping
- needle head
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Abstract
This utility model provides a kind of Glue dripping head to include a rubber sleeve and the dispensing needle head being connected to it on, and puts rubber sleeve and is provided with pressure regulating mechanism, and dispensing needle head is detachable with some rubber sleeve.Glue dripping head simple in construction of the present utility model, can be individually replaced dispensing needle head, and can be with the plastic emitting speed of point of adjustment needle head and pressure.
Description
Technical field
This utility model relates to a glue field, in particular to a kind of Glue dripping head.
Background technology
In semicon industry, paster is a kind of operation that must have, and pastes the protection thin slice for protecting other circuit face, and
Pasting the adhesive sheet for chip welding overleaf, point gum machine is a kind of requisite equipment, and point gum machine will by Glue dripping head
Glue penetrates.
Existing Glue dripping head is mostly the metallic article of integral type, and the area of passage of Glue dripping head is constant non-adjustable, i.e. pressure
Non-adjustable with flow velocity, can only be regulated by the glue dispensing valve on the syringe of point gum machine, the regulation of pressure and flow velocity more bothers,
When the viscosity difference of the glue used by point gum machine, the some glue speed of point gum machine and pressure can by a certain degree of impact, with
It is deteriorated as a glue effect.The most metal Glue dripping head flexible poor, in location precisely time, easily with some glue product generation
Colliding with, cause the bad of product, metal Glue dripping head cost is the highest.
Therefore for solve existing Glue dripping head point glue laminated power and speed is non-adjustable, some glue weak effect and point high the asking of glue cost
Topic, it is necessary to provide one can be individually replaced dispensing needle head, and can be with the plastic emitting speed of point of adjustment needle head and pressure
The point preferable Glue dripping head of glue effect.
Utility model content
In view of this, the purpose of this utility model is to overcome deficiency of the prior art, it is provided that one can be independent
Change dispensing needle head, and can be with the point preferable Glue dripping head of glue effect of the plastic emitting speed of point of adjustment needle head and pressure.
For solving above technical problem, the technical scheme that this utility model provides is as follows: a kind of Glue dripping head, including a gum cover
Cylinder and the dispensing needle head being connected to it on, described some rubber sleeve is provided with pressure regulating mechanism, described dispensing needle head and described point
Rubber sleeve is detachable.
Further, described some rubber sleeve is made up of first rubber sleeve and second point rubber sleeve, described first rubber sleeve
Be radially provided with first segment flow, described second point rubber sleeve be radially provided with second section flow, described first gum cover
Cylinder and described second point rubber sleeve connect and can mutually rotate, and described first segment flow and described second section flow constitute institute
State pressure regulating mechanism.
Further, it is provided with sealing ring between described first rubber sleeve and described second point rubber sleeve.
Further, described first segment flow and described second section flow are respectively diameter and described first rubber sleeve and institute
State the plate that second point rubber sleeve internal diameter is identical, described first segment flow and described second section flow and be provided with several holes.
Further, described first segment flow and described second section flow are respectively described first rubber sleeve and described second
The plate do not closed on some rubber sleeve.
Further, described first rubber sleeve and described second point rubber sleeve clamping.
Further, described dispensing needle head is threaded connection with described some rubber sleeve.
Further, described dispensing needle head and described some rubber sleeve are connected by clamping.
Further, described some rubber sleeve is steel sleeve.
Further, described dispensing needle head is plastics dispensing needle head.
Compared with prior art, its remarkable advantage is this utility model: Glue dripping head of the present utility model by a rubber sleeve and
Dispensing needle head forms, and some rubber sleeve and dispensing needle head are split type connection, and some rubber sleeve is provided with pressure regulating mechanism.This practicality
Novel Glue dripping head simple in construction, can be individually replaced dispensing needle head, and can be with the plastic emitting speed of point of adjustment needle head and pressure
Power.
For making above-mentioned purpose of the present utility model, feature and advantage can become apparent from understandable, preferred embodiment cited below particularly,
And coordinate appended accompanying drawing, it is described below in detail.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, will use required in embodiment below
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiment of the present utility model, the most should be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 shows the overall structure signal of a kind of Glue dripping head that this utility model embodiment the first embodiment provided
Figure；
Fig. 2 shows the decomposition texture signal of a kind of Glue dripping head that this utility model embodiment the first embodiment provided
Figure；
Fig. 3 shows the first cross-section structure of a kind of Glue dripping head that this utility model embodiment the first embodiment provided
Schematic diagram；
Fig. 4 shows the second cross-section structure of a kind of Glue dripping head that this utility model embodiment the first embodiment provided
Schematic diagram；
Fig. 5 shows the top view of a kind of Glue dripping head that this utility model embodiment the second embodiment provided.
Main element symbol description:
100,200-Glue dripping head；First rubber sleeve of 101-；102-second point rubber sleeve；103,203-first segment flow；
104,204-second section flow；105-dispensing needle head；110-point rubber sleeve.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, Glue dripping head is described more fully.Attached
Figure gives the preferred embodiment of Glue dripping head.But, Glue dripping head can be realized by many different forms, however it is not limited to
Embodiment described herein.On the contrary, providing the purpose of these embodiments is to make the disclosure to Glue dripping head more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, and it can be directly on another element
Or element placed in the middle can also be there is.When an element is considered as " connection " another element, and it can be to be directly connected to
To another element or may be simultaneously present centering elements.On the contrary, when element be referred to as " directly existing " another element " on " time,
There is not intermediary element.Term as used herein " vertical ", " level ", "left", "right" and similar statement are simply
For illustrative purposes.
Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model
The implication that the technical staff in territory is generally understood that is identical.Term used in the description at Glue dripping head is intended merely to retouch herein
State the purpose of specific embodiment, it is not intended that limit this utility model.Term as used herein " and/or " include one or
Arbitrary and all of combination of multiple relevant Listed Items.
Below in conjunction with the accompanying drawings, detailed description of the invention of the present utility model is elaborated.
Embodiment 1
As it is shown in figure 1, Glue dripping head 100 includes a rubber sleeve 110 and the dispensing needle head 105 being connected on a rubber sleeve 110,
Point rubber sleeve 110 is provided with pressure regulating mechanism, and dispensing needle head 105 is detachable with some rubber sleeve 110.
Above-mentioned, some rubber sleeve 110 is connected in the syringe (not shown) of point gum machine, and some rubber sleeve 110 is provided with
With the attachment structure (not shown) of point gum machine, putting rubber sleeve 110 and can dismantle on point gum machine, connected mode is flexible, it is simple to
Safeguarding and change, dispensing needle head 105 is connected on a rubber sleeve 110, and dispensing needle head 105 is for some glue, dispensing needle head 105 size
Specification can be selected according to actually used situation, removes beyond size, and single needle or the double needle of dispensing needle head 105 are the most optional.
Above-mentioned, dispensing needle head 105 is detachable with some rubber sleeve 110.Dispensing needle head 105 is detachable with some rubber sleeve 110
Structure reduces maintenance cost, and when dispensing needle head 105 lost efficacy, i.e. on dispensing needle head 105, the glue solidifies when making it block, single
Solely change dispensing needle head 105, it is not necessary to change some rubber sleeve 110.
Above-mentioned, some rubber sleeve 110 is provided with pressure regulating mechanism.Adding pressure regulating mechanism on a rubber sleeve 110 is
In order to adapt to, the viscosity of different fluids is different, mobility is different, to such an extent as to the pressure of flowing is different, now adds pressure regulation
Structure makes invocation point glue material different pressures point glue laminated power remain at a relatively steady state.It addition, some rubber sleeve 110
The flow velocity of pressure regulating mechanism scalable glue, can need to regulate different flow velocitys according to using, can control injection speed and
Injection pressure so that the some glue effect of Glue dripping head 100 is more preferable.
Seeing also Fig. 2, some rubber sleeve 110 is made up of first rubber sleeve 101 and second point rubber sleeve 102, and first
Point rubber sleeve 101 be radially provided with first segment flow 103, second point rubber sleeve 102 be radially provided with second section flow
104, first rubber sleeve 101 and second point rubber sleeve 102 connect and can mutually rotate, first segment flow 103 and second section
Flow 104 constitutes pressure regulating mechanism.
Above-mentioned, first rubber sleeve 101 and second point rubber sleeve 102 are the cylinder of hollow, and the inner chamber of its hollow is made
For the diversion cavity of glue, the runner of first rubber sleeve 101 and second point rubber sleeve 102 composition by glue from the injection of point gum machine
Device water conservancy diversion is on dispensing needle head 105.Dispensing amount is determined by the piston (not shown) stroke of syringe, and piston stroke is the biggest
Dispensing amount is the biggest, and the least dispensing amount of piston stroke is the least.Plastic emitting speed is determined by the piston fltting speed of syringe, and piston pushes away
Entering speed the biggest, plastic emitting speed is the biggest, and piston fltting speed is the least, and plastic emitting speed is the least.At first rubber sleeve 101 and second
Add pressure control structure on some rubber sleeve 102 and can individually control pressure and the speed of glue independent of the piston of syringe.
Above-mentioned, first segment flow 103 and second section flow 104 control first rubber sleeve by overlap each other
101 and the stream cross-sectional area of crossing of the lumen openings size of second point rubber sleeve 102 i.e. fluid regulate pressure and flow velocity.
Below by the relation of free flow amount, cross-sectional area and flow velocity for formula:
If flow is Q, cross-sectional area is A, and flow velocity is V:
Flow Q is determined by the syringe of point gum machine, and cross-sectional area S is adjustable,
Q=A*V*3600 (m^3/h)；
V=Q/A/3600 (m/h)=Q/A (m/s).
As known from the above, flow one timing, speed is directly proportional to the cross-sectional area of pipeline, so can be by regulation pipeline
Cross section regulates injection speed.
The relation of flow, pressure and cross-sectional area is described below by formula:
If syringe pressure is P, cross-sectional area is S, and the pressure loss is △ P:
The syringe output pressure P of point gum machine, cross-sectional area S is adjustable, when fluid (glue) flows through first rubber sleeve 101
Change with the cross-sectional area of pipeline during second point rubber sleeve 102 and diminish suddenly, when fluid flows through the local of these pipelines
During region, flow velocity size and Orientation is forced to change sharp, thus the shock of fluid particle occurs, produces vortex, secondary
The separation flowed and flow and the most attached wall phenomenon.Now due to the effect of viscosity, there is violent friction between fluid particle and move
Amount exchange, thus hamper the motion of fluid, create pressure loss △ P.
△ P=K* ρ * V^2/2, V=Q/A；
△ P=K* ρ * Q^2/A^2/2
K is local losses (resistance) coefficient, is a nondimensional coefficient, its size and the structure of partial barriers
Form is relevant, experiment determine, in the present embodiment, structure is certain, so can be regarded as by K is a constant；ρ is also one
Constant；Flow Q is that quantitatively so △ P and A^2 is inversely proportional to, i.e. A is the biggest, and △ P is the least, and A is the least, and △ P is the biggest.
It addition, the poorest fluid pressure loss of mobility is the biggest, the fluid pressure loss that mobility is the best is the least, can basis
The difference of some glue material adjusts different pressure, pressure stability during to be maintained at the glue coating unlike material so that coating effect
Fruit is more preferably.
It is provided with sealing ring (not shown) between first rubber sleeve 101 and second point rubber sleeve 102.
For ensureing first rubber sleeve 101 and the good sealing of second point rubber sleeve 102, at first rubber sleeve
Sealing ring is added so that do not have between first rubber sleeve 101 and second point rubber sleeve 102 between 101 and second point rubber sleeve 102
Being free air-flow to lead to, good closure does not interferes with the stream of fluid between first rubber sleeve 101 and second point rubber sleeve 102
Dynamic property.Owing to mutually rotating between first rubber sleeve 101 and second point rubber sleeve 102, so sealing ring should be located at first
On the end face of some rubber sleeve 101 and second point rubber sleeve 102, sealed by the extruding between end face, do not interfere with again simultaneously
Mutual rotation between first rubber sleeve 101 and second point rubber sleeve 102.
First rubber sleeve 101 and second point rubber sleeve 102 clamping.
First rubber sleeve 101 and second point rubber sleeve 102 can mutually rotate when connecting, and clamping is that by this
Kind connect a kind of common mode, its structure is relatively simple, does not repeats at this, every by clamping by first rubber sleeve
101 and the mode that links together of second point rubber sleeve 102 belong to the protection domain of this patent.
First segment flow 103 and second section flow 104 are respectively on first rubber sleeve 101 and second point rubber sleeve 102
The plate do not closed.
Above-mentioned, see also Fig. 3 and Fig. 4, first rubber sleeve 101 and second point rubber sleeve 102 can mutually rotate.
First segment flow 103 and the second section flow 104 faying surface when first rubber sleeve 101 and second point rubber sleeve 102 rotate
Long-pending difference, thus form different size of area of passage.The overlapping area of first segment flow 103 and second section flow 104 is the biggest,
Area of passage is the biggest, and the overlapping area of first segment flow 103 and second section flow 104 is the least, and area of passage is the least.Thus regulate
Flow through pressure and the speed of the fluid of first rubber sleeve 101 and second point rubber sleeve 102.
Dispensing needle head 105 is threaded connection with some rubber sleeve 110.
Above-mentioned, dispensing needle head 105 is connected on a rubber sleeve 110, and in the present embodiment, dispensing needle head 105 is connected to second point
On rubber sleeve 102, being integral type structure at other embodiment point rubber sleeves 110, dispensing needle head 105 is connected directly between a rubber sleeve
On 110.
Dispensing needle head 105 is threadedly attached on second point rubber sleeve 102, uses threaded mode, structure letter
Single, be convenient to mount and dismount, connect reliable, be a kind of common mode that removably connects.
Point rubber sleeve 110 is steel sleeve.
Above-mentioned, some rubber sleeve 110 Stability Analysis of Structures of steel, durable, it is hardly damaged.First rubber sleeve 101 and second point
Rubber sleeve 102 is respectively integral molding, and high-speed steel generally selected by its material, naturally it is also possible to select difference according to the demand of use
Material.
Dispensing needle head 105 is plastics dispensing needle head 105.
Above-mentioned, the dispensing needle head 105 using plastics can be the most cost-effective, during a glue, when one section
Between do not put glue, the glue on dispensing needle head 105 is easy to solidification, causes the blocking of dispensing needle head 105, to such an extent as to dispensing needle head
105 can not use, and are now accomplished by changing dispensing needle head 105, and metal dispensing needle head 105 is expensive, uses plastics material
The dispensing needle head 105 of matter can use as metal dispensing needle head 105, but cost but reduces a lot.
Above-mentioned, some rubber sleeve 110 uses steel, dispensing needle head 105 to use plastic, and dispensing needle head 105 can
To dismantle on a rubber sleeve 110.Maximum advantage is exactly, when dispensing needle head 105 blocks, can be individually replaced dispensing needle head
105, metal some rubber sleeve 110 can repeatedly use, because after glue solidifies on dispensing needle head 105, solidification
Dispensing needle head 105 is sealed by glue so that air will not enter in a rubber sleeve 110, thus does not results in a rubber sleeve 110
Blocking, so some rubber sleeve 110 can reuse.
Embodiment 2
As it is shown in figure 5, the difference of the Glue dripping head 200 of the present embodiment and embodiment 1 is, first segment flow 203 and second
Flow regulator pieces 204 is respectively diameter and first rubber sleeve 101 and the identical plate of second point rubber sleeve 102 internal diameter, first segment flow
203 and second section flow 204 be provided with several holes.Dispensing needle head 105 is connected by clamping with some rubber sleeve 110.
Above-mentioned, see also Fig. 5, first rubber sleeve 101 and second point rubber sleeve 102 can mutually rotate, and first
It is respectively equipped with five manholes on some rubber sleeve 101 and second point rubber sleeve 102.First segment flow 203 and second section flow
204 overlapping areas when first rubber sleeve 101 rotates with second point rubber sleeve 102 are different, thus formed different size of
Area of passage.The overlapping area of first segment flow 203 and second section flow 204 is the biggest, and area of passage is the biggest, first segment flow
203 and the overlapping area of second section flow 204 the least, area of passage is the least.Thus regulation flows through first rubber sleeve 101 and the
The pressure of the fluid of 2 rubber sleeves 102 and speed.
Above-mentioned, dispensing needle head 105 is connected on a rubber sleeve 110, and in the present embodiment, dispensing needle head 105 is connected to second point
On rubber sleeve 102, being integral type structure at other embodiment point rubber sleeves 110, dispensing needle head 105 is connected directly between a rubber sleeve
On 110.
Dispensing needle head 105 is connected on second point rubber sleeve 102 by clamping, uses the mode that clamping connects, structure letter
Single, be convenient to mount and dismount, connect reliable, be a kind of common mode that removably connects.
Glue dripping head of the present utility model is made up of a rubber sleeve and dispensing needle head, and some rubber sleeve and dispensing needle head are split type
Connecting, some rubber sleeve is provided with pressure regulating mechanism.Glue dripping head simple in construction of the present utility model, can be individually replaced a plastic pin
Head, and can be with the plastic emitting speed of point of adjustment needle head and pressure.
In all examples being illustrated and described herein, any occurrence should be construed as merely exemplary, and not
Being as restriction, therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, common for this area
For technical staff, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. a Glue dripping head, including a rubber sleeve and the dispensing needle head being connected to it on, it is characterised in that on described some rubber sleeve
Being provided with pressure regulating mechanism, described dispensing needle head is detachable with described some rubber sleeve.
Glue dripping head the most according to claim 1, it is characterised in that described some rubber sleeve is by first rubber sleeve and second point
Rubber sleeve form, described first rubber sleeve be radially provided with first segment flow, radially setting of described second point rubber sleeve
Second section flow, described first rubber sleeve and described second point rubber sleeve is had to connect and can mutually rotate, described first segment
Flow and described second section flow constitute described pressure regulating mechanism.
Glue dripping head the most according to claim 2, it is characterised in that described first rubber sleeve and described second point rubber sleeve
Between be provided with sealing ring.
Glue dripping head the most according to claim 2, it is characterised in that described first segment flow and described second section flow are respectively
For the plate that diameter is identical with described first rubber sleeve and described second point rubber sleeve internal diameter, described first segment flow and described
Two flow regulator pieces are provided with several holes.
Glue dripping head the most according to claim 2, it is characterised in that described first segment flow and described second section flow are respectively
For the plate do not closed on described first rubber sleeve and described second point rubber sleeve.
Glue dripping head the most according to claim 2, it is characterised in that described first rubber sleeve and described second point rubber sleeve
Clamping.
Glue dripping head the most according to claim 1, it is characterised in that described dispensing needle head and described some rubber sleeve pass through screw thread
Connect.
Glue dripping head the most according to claim 1, it is characterised in that described dispensing needle head and described some rubber sleeve pass through clamping
Connect.
Glue dripping head the most according to claim 1, it is characterised in that described some rubber sleeve is steel point rubber sleeve.
Glue dripping head the most according to claim 1, it is characterised in that described dispensing needle head is plastics dispensing needle head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620597443.8U CN205684274U (en) | 2016-06-17 | 2016-06-17 | Glue dripping head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620597443.8U CN205684274U (en) | 2016-06-17 | 2016-06-17 | Glue dripping head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205684274U true CN205684274U (en) | 2016-11-16 |
Family
ID=57415579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620597443.8U Expired - Fee Related CN205684274U (en) | 2016-06-17 | 2016-06-17 | Glue dripping head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205684274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733475A (en) * | 2017-03-09 | 2017-05-31 | 南京新兴机器人科技有限公司 | A kind of adhesive dispensing device being applied on point gum machine |
-
2016
- 2016-06-17 CN CN201620597443.8U patent/CN205684274U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733475A (en) * | 2017-03-09 | 2017-05-31 | 南京新兴机器人科技有限公司 | A kind of adhesive dispensing device being applied on point gum machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |