CN215997307U - Two-component dispensing valve and glue injection machine with same - Google Patents
Two-component dispensing valve and glue injection machine with same Download PDFInfo
- Publication number
- CN215997307U CN215997307U CN202120928519.1U CN202120928519U CN215997307U CN 215997307 U CN215997307 U CN 215997307U CN 202120928519 U CN202120928519 U CN 202120928519U CN 215997307 U CN215997307 U CN 215997307U
- Authority
- CN
- China
- Prior art keywords
- glue
- valve
- communicated
- glue solution
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Coating Apparatus (AREA)
Abstract
The utility model relates to a two-component dispensing valve and a glue injector with the same, wherein the two-component dispensing valve comprises: a valve body and a valve stem; the lower end of the valve body is provided with an integrated joint which is used for sealing and connecting the static mixing pipe; a vertical and through sliding cavity is arranged on the valve body; the side surface of the valve body is sequentially provided with 2 air inlets and 2 feed holes from top to bottom, wherein the air inlets and the feed holes are communicated with the sliding cavity; the valve rod slides in the sliding cavity in a sealing manner, the bottom of the valve rod is provided with a glue solution channel, one end of the glue solution channel can be matched and communicated with the air inlet hole and the feeding hole, and the other end of the glue solution channel is used for outputting glue solution; the number of the glue solution channels is 2; the feed port is always in full contact with the valve stem. The glue injection machine with the two-component glue dispensing valve is further provided, glue injection, glue stop and cleaning processes of the glue dispensing valve are achieved by means of arrangement of the glue solution channel, the air inlet hole and the feeding hole, the glue dispensing valve is simple in structure and convenient to use, and cost is reduced.
Description
Technical Field
The utility model relates to the technical field of dispensing valves, in particular to a two-component dispensing valve and a glue injection machine with the same.
Background
The glue dispensing valve belongs to a glue discharging device, is commonly used for discharging AB glue, double-liquid epoxy resin glue, double-liquid crystal glue, acrylic acid cyan-red glue, double-liquid silica gel and the like, is widely applied to the industries of photoelectricity, biochemistry, semiconductors, automobiles and the like, and is generally divided into a pneumatic type and an electric type according to a driving mode.
Pneumatic dispensing valves generally comprise: the glue valve comprises a cylinder assembly, a valve body assembly and a storage bin which are sequentially connected from top to bottom, wherein the cylinder assembly is connected with an electromagnetic valve, and the electromagnetic valve drives the cylinder assembly to move up and down to achieve the opening and closing effects on glue; according to different ways of turning on and off, the method is divided into: a plunger type glue dispensing valve, a thimble type glue dispensing valve, a lifting type glue dispensing valve, a spraying glue dispensing valve and a spraying glue dispensing valve; the plunger glue dispensing valve belongs to an air pressure driving mode, can be opened by air pressure above 343kPa and closes the valve by an internal spring, and has a suck-back function due to the adoption of a plunger structure.
Most of the existing plunger dispensing valves are single-component dispensing valves, and the application range is narrow. Meanwhile, the cleaning process of the plunger dispensing valve is divided into a simple cleaning method and a thorough cleaning method.
For the simple cleaning method, the specific operation is to change the glue in the pressure barrel into the cleaning solvent, continuously glue the glue for a plurality of times according to the glue dispensing method, and blow the interior of the glue valve by air flow.
For the thorough cleaning method, the specific operation is to disconnect all connecting pipes of the rubber valve and unscrew the material joint; the screw is unscrewed, the material cylinder is pulled downwards, and the whole material cylinder can be detached by drawing out the piston rod; the needle head fixing piece and the outer cover are detached, and the Teflon gasket and the circular sealing element are taken out; taking down the small sealing ring; taking out the round sealing element and the small sealing ring from the bottom of the cylinder; the removed portion is thoroughly cleaned and may be immersed in a cleaning solvent. The small sealing ring can not be soaked. And when the piston rod is cleaned, other parts cannot be disassembled. The washing finishes and dries the back installation, and whether the cleaning process is paid attention to the inspection sealing washer and sealing member and is damaged, discovers that the wearing part damages and will change in time, avoids sneaking into debris in the installation, should not twist too deeply when the installation material connects.
Therefore, the cleaning process of the existing plunger dispensing valve is complex and tedious, the internal structure is complex, the disassembly and the assembly are extremely inconvenient, and the practicability is greatly influenced; the back suction function of the cleaning machine increases the cleaning frequency and influences the normal use time.
Patent CN207287934U a belt cleaning device of two ingredient dispensing valve, it discloses utilizing needle valve and cleaner to glue passageway or B and glue the passageway and wash, also can glue passageway and B and glue the passageway and all wash, can be with the hybrid tube sanitization, but need additionally use the needle valve, this increases use and cost of maintenance. Therefore, it is necessary to develop a new two-component dispensing valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems in the prior art, and provides the two-component dispensing valve which is simple in structure, high in cleaning efficiency, convenient to use and capable of achieving a glue collecting effect when glue supply is stopped.
In order to achieve the above object, the present invention provides a two-component dispensing valve, comprising: a valve body and a valve stem;
the lower end of the valve body is provided with an integrated joint which is used for sealing and connecting a static mixing pipe; the valve body is provided with a vertical and through sliding cavity; the side surface of the valve body is sequentially provided with an air inlet hole and a feed hole which are communicated with the sliding cavity from top to bottom, and the number of the air inlet hole and the number of the feed hole are respectively 2; the air inlet hole is used for inputting water and/or air;
the valve rod slides in the sliding cavity in a sealing manner, a glue solution channel is arranged at the bottom of the valve rod, one end of the glue solution channel can be matched and communicated with the air inlet hole and the feeding hole, and the other end of the glue solution channel is used for outputting glue solution; the number of the glue solution channels is 2;
the feed port is always in full contact with the valve stem.
Further, still be provided with on the valve body with the hybrid chamber of sliding chamber intercommunication, the hybrid chamber is located under the sliding chamber.
Further, the cross-sectional dimension of the mixing chamber is smaller than the cross-sectional dimension of the sliding chamber.
The utility model also provides a glue injection machine, which comprises: any one of the two-component dispensing valves.
Furthermore, the glue injection machine also comprises a moving unit, a water delivery unit, an air supply unit and a glue supply unit which are controlled by the control unit; the moving unit is connected with the valve rod, and the water delivery unit and the air supply unit are communicated with the air inlet; the glue supply unit is communicated with the feeding hole.
Furthermore, a position sensor is arranged on the moving unit and used for detecting the moving position of the valve rod relative to the valve body, the moving position sequentially comprises a cleaning position, a glue stopping position and a glue injecting position from top to bottom, the cleaning position is a position where the air inlet hole is communicated with the glue solution channel, the glue injecting position is a position where the feed hole is communicated with the glue solution channel, and the glue stopping position is a position where the glue solution channel is located between the air inlet hole and the feed hole and is not communicated with the feed hole.
Compared with the prior art, the utility model has the beneficial effects that: when the valve rod is located the injecting glue position, the application measuring pump can carry out accurate numerical control injecting glue. When the valve rod is positioned at the glue stop position, a vacuum area is formed below the sliding cavity, and the glue collecting effect is effectively achieved in time. When the valve rod was located the washing position, wasing remaining glue solution through water and/or air, the setting of hybrid chamber simultaneously can play the cushioning effect to static hybrid tube, and static hybrid tube receives the condition of damage when reducing the washing. On the whole, the using efficiency and the production efficiency are improved, the structure is simple, the maintenance is convenient, and the cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the valve body of fig. 1.
FIG. 3 is a schematic illustration of the stop-gum state of FIG. 1.
Fig. 4 is a schematic view of the cleaning state of fig. 1.
Fig. 5 is a diagram of the glue injection machine system including fig. 1.
Wherein: 1 valve body, 2 valve rods, 3 static mixing pipes, 4 control units, 5 moving units, 6 water delivery units, 7 air supply units, 11 sliding chambers, 12 mixing chambers, 13 air inlets, 14 feed holes, 15 connectors and 21 glue solution channels.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1 to 4, the present invention provides a two-component dispensing valve, including: a valve body 1 and a valve rod 2; the lower end of the valve body 1 is provided with an integrated joint 15, and the joint 15 is used for sealing and connecting the static mixing pipe 3; a vertical and through sliding cavity 11 is arranged on the valve body 1; the side surface of the valve body 1 is sequentially provided with an air inlet 13 and a feeding hole 14 which are communicated with the sliding cavity 11 from top to bottom, and the number of the air inlet 13 and the number of the feeding hole 14 are respectively 2; wherein the air inlet 13 is used for inputting water and/or air;
the valve rod 2 slides in the sliding cavity 11 in a sealing manner, the bottom of the valve rod 2 is provided with a glue solution channel 21, one end of the glue solution channel 21 can be matched and communicated with the air inlet 13 and the feeding hole 14, and the other end of the glue solution channel 21 is used for outputting glue solution; the number of the glue solution channels 21 is 2; it is important that the inlet port 14 is always in full contact with the valve stem 2 to prevent the glue from escaping.
Based on the above, the utility model provides an embodiment, the valve body 1 is further provided with a mixing chamber 12 communicated with the sliding chamber 11, the mixing chamber 12 is located right below the sliding chamber 11, the mixing chamber 12 pre-mixes the glue solution and provides buffer protection for the static mixing tube 3 during cleaning, so that the static mixing tube 3 is prevented from being damaged and the service life is prevented from being affected.
Preferably, the mixing chamber 12 has a cross-sectional dimension smaller than the cross-sectional dimension of the sliding chamber 11.
Based on the above embodiments, the utility model further provides a glue injection machine, as shown in fig. 5, including any one of the two-component glue dispensing valves of the above embodiments.
Meanwhile, the glue injection machine also comprises a moving unit 5, a water delivery unit 6, an air supply unit 7 and a glue supply unit which are controlled by the control unit 4; the moving unit 5 is connected with the valve rod 2, and the water delivery unit 6 and the air supply unit 7 are communicated with the air inlet 13; the glue supply unit is communicated with the feed hole 14.
Preferably, the moving unit 5 is provided with a position sensor for detecting the moving position of the valve rod 2 relative to the valve body 1, wherein the moving position comprises a cleaning position, a glue stopping position and a glue injecting position from top to bottom in sequence. The cleaning position is a position where the air inlet 13 is communicated with the glue solution channel 21, the glue injection position is a position where the feed hole 14 is communicated with the glue solution channel 21, and the glue stop position is a position where the glue solution channel 21 is located between the air inlet 13 and the feed hole 14 and is not communicated with the air inlet 13 and the feed hole 14.
In connection with the above, the control unit 4 here may be a PLC controller, the position sensor detecting the position and sending an electrical signal to the PLC controller; the water delivery unit 6 comprises a water tank, a pump and a pipeline; the air supply unit 7 may be an air compressor; the moving unit 5 may be a cylinder; the air supply unit 7 comprises a liquid tank A, a liquid tank B, a metering pump and corresponding connecting pipes.
Based on the glue supply machine, the utility model controls the following steps through the control unit 4:
s1: as shown in fig. 1, a glue injection process; moving the valve rod 2 to enable the two glue solution channels 21 on the valve rod 2 to be matched, corresponding and communicated with the two feed holes 14 on the valve body 1 respectively, and then enabling the glue solution to enter the static mixing tube 3 from the glue supply unit through the feed holes 14 and the glue solution channels 21 in sequence;
s2: as shown in fig. 3, the glue stop process; based on the step S1, the valve rod 2 is continuously moved, so that the two glue solution channels 21 on the valve rod 2 are located between the upper air inlet 13 and the feed inlet 14 of the valve body 1, meanwhile, the valve rod 2 blocks the feed inlet 14 on the valve body 1, a vacuum area is formed below the valve rod 2, the glue solution in the static mixing tube 3 does not flow outwards, and the glue injection is stopped;
s3: as shown in fig. 4, a cleaning process; based on the step S2, the valve rod 2 is continuously moved, so that the two glue solution channels 21 on the valve rod 2 are respectively matched, corresponding and communicated with the two air inlet holes 13 on the valve body 1, then the water delivery unit 6 and/or the air supply unit 7 input water and/or air with pressure from the air inlet holes 13, and the glue solution in the sliding cavity 11 and the static mixing tube 3 is cleaned through the water and/or the air; the steps S1 and S2 are repeated in sequence after the cleaning is completed, that is, the arrangement of the steps S1, S2, S3 may be performed according to the on-site production situation.
The working principle of the utility model is that the valve rod 2 vertically and hermetically moves in the valve body 1, the valve body 1 is provided with the air inlet 13 and the feeding hole 14, the valve rod 2 is internally provided with the glue solution channel 21, and the glue solution channel 21 can be communicated with the air inlet 13 and the feeding hole 14. When the valve rod 2 moves to the feeding hole 14, the glue solution channel 21 is communicated with the feeding hole 14, and glue injection starts; when the valve rod 2 moves to a position between the air inlet hole 13 and the feeding hole 14 and is not communicated, the glue solution channel 21 is blocked, and the glue injection is stopped by utilizing a vacuum area formed below the valve rod 2; when the valve rod 2 moves to the air inlet 13, the glue passage 21 is communicated with the air inlet 13, and the cleaning process starts.
Therefore, the structural layout of the dispensing valve is simplified, namely, except for the valve body 1 and the valve rod 2, the two-component dispensing valve provided by the utility model does not need to add other components to complete the processes of glue injection, glue stop and cleaning, and is economical and applicable, and extremely convenient to install, maintain and operate.
It is worth explaining that the double-component dispensing valve can be reasonably fixed on the glue injection machine and the positions of other components of the glue injection machine can be reasonably arranged by means of various support structures or connecting plates, and redundant description is omitted here.
The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The above-described embodiments of the utility model are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims, and not by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. A two-component dispensing valve is characterized by comprising: a valve body (1) and a valve rod (2);
the lower end of the valve body (1) is provided with an integrated joint (15), and the joint (15) is used for being connected with the static mixing pipe (3) in a sealing manner; a vertical and through sliding cavity (11) is arranged on the valve body (1); the side surface of the valve body (1) is sequentially provided with air inlets (13) and feed holes (14) which are communicated with the sliding cavity (11) from top to bottom, and the number of the air inlets (13) and the number of the feed holes (14) are respectively 2; the air inlet hole (13) is used for inputting water and/or air;
the valve rod (2) slides in the sliding cavity (11) in a sealing manner, a glue solution channel (21) is arranged at the bottom of the valve rod (2), one end of the glue solution channel (21) can be matched and communicated with the air inlet hole (13) and the feeding hole (14), and the other end of the glue solution channel is used for outputting glue solution; the number of the glue solution channels (21) is 2;
the feed opening (14) is always in full contact with the valve rod (2).
2. The two-component dispensing valve according to claim 1, wherein a mixing cavity (12) communicated with the sliding cavity (11) is further arranged on the valve body (1), and the mixing cavity (12) is positioned right below the sliding cavity (11).
3. Two-component dispensing valve according to claim 2, characterized in that the cross-sectional dimension of the mixing chamber (12) is smaller than the cross-sectional dimension of the sliding chamber (11).
4. A compound injection machine, comprising the two-component dispensing valve of any one of claims 1 to 3.
5. A glue-injection machine according to claim 4, characterised in that it further comprises a moving unit (5), a water delivery unit (6), a gas supply unit (7) and a glue supply unit controlled by the control unit (4); the moving unit (5) is connected with the valve rod (2), and the water delivery unit (6) and the air supply unit (7) are communicated with the air inlet hole (13); the glue supply unit is communicated with the feeding hole (14).
6. The glue injection machine according to claim 5, wherein a position sensor is arranged on the moving unit (5), the position sensor is used for detecting a moving position of the valve rod (2) relative to the valve body (1), the moving position sequentially comprises a cleaning position, a glue stopping position and a glue injection position from top to bottom, the cleaning position is a position where the air inlet hole (13) is communicated with the glue solution channel (21), the glue injection position is a position where the feed hole (14) is communicated with the glue solution channel (21), and the glue stopping position is a position where the glue solution channel (21) is located between the air inlet hole (13) and the feed hole (14) and is not communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120928519.1U CN215997307U (en) | 2021-04-30 | 2021-04-30 | Two-component dispensing valve and glue injection machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120928519.1U CN215997307U (en) | 2021-04-30 | 2021-04-30 | Two-component dispensing valve and glue injection machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215997307U true CN215997307U (en) | 2022-03-11 |
Family
ID=80520685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120928519.1U Active CN215997307U (en) | 2021-04-30 | 2021-04-30 | Two-component dispensing valve and glue injection machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215997307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134456A (en) * | 2021-04-30 | 2021-07-20 | 烟台拓展聚氨酯设备有限公司 | Two-component dispensing valve, glue injection machine with same and use method of glue injection machine |
-
2021
- 2021-04-30 CN CN202120928519.1U patent/CN215997307U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134456A (en) * | 2021-04-30 | 2021-07-20 | 烟台拓展聚氨酯设备有限公司 | Two-component dispensing valve, glue injection machine with same and use method of glue injection machine |
| CN113134456B (en) * | 2021-04-30 | 2023-12-22 | 烟台拓展聚氨酯设备有限公司 | Two-component dispensing valve, glue injection machine with two-component dispensing valve and use method of glue injection machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113134456A (en) | Two-component dispensing valve, glue injection machine with same and use method of glue injection machine | |
| JP5385468B2 (en) | Cleaning / detection system for three-acting valve, solvent valve and spray gun in automatic machines | |
| CN215997307U (en) | Two-component dispensing valve and glue injection machine with same | |
| CN209866391U (en) | Bi-component paint proportioning system | |
| CN101982651A (en) | Automatic cleaning device for inner hole of cylinder cover | |
| CN201786454U (en) | Cylinder cover inner hole automatic cleaning device | |
| CN202847112U (en) | Calico printing machine ink gun automatic washer | |
| CN208555227U (en) | Base plate cleaning device | |
| CN104033298B (en) | Oil feed pump assembly impurity collection device | |
| CN101284193B (en) | Vertical type pressure filter | |
| CN209888425U (en) | UV ink jet printer shower nozzle belt cleaning device | |
| CN212018379U (en) | Glue-injection machine glue-feeding pipe with self-cleaning function | |
| CN206997192U (en) | A kind of automatic board-washing device of ELISA Plate | |
| CN111921736A (en) | Automatic trade look measurement spraying equipment | |
| US9475079B2 (en) | Cleaning and detection system for automatic paint sprayer | |
| CN208098833U (en) | A kind of bottle washing machine spray tube on-line auto-cleaning device | |
| CN203991544U (en) | Fixing rifle spraying coating line body oil circuit Rapid Cleaning structure | |
| CN111013846A (en) | Auto plastic accessory belt cleaning device | |
| CN212028600U (en) | Active jar body admission valve | |
| CN215541802U (en) | Miniature flotation device with accurately and automatically controlled inflation quantity | |
| CN221116992U (en) | Tray formula freeze dryer is with automatic ration loading attachment | |
| CN204730992U (en) | Adapter pick-up unit moulded by a kind of PE steel | |
| CN220862274U (en) | Purifying bottle integrated cleaning device | |
| CN206652760U (en) | A kind of coating die head flushing machine | |
| CN219007393U (en) | Cleaning machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |