CN210357864U - High-pressure gluing valve body - Google Patents
High-pressure gluing valve body Download PDFInfo
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- CN210357864U CN210357864U CN201921109818.1U CN201921109818U CN210357864U CN 210357864 U CN210357864 U CN 210357864U CN 201921109818 U CN201921109818 U CN 201921109818U CN 210357864 U CN210357864 U CN 210357864U
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- valve
- needle
- flow guide
- valve needle
- connecting seat
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Abstract
The utility model discloses a high pressure rubber coating valve body belongs to rubber coating valve technical field. Including valve casing, valve gap, case, needle, nozzle and coupling assembling, a direction chamber has in the valve casing, the case is located direction intracavity and the global and direction chamber wall sliding seal of case. The valve needle is matched with the flow guide pipe, the valve needle is moved to change the relative position between the valve needle and the flow guide pipe under the condition of equal glue solution supply, the size of a glue solution channel formed between the valve needle and the flow guide pipe can be adjusted, so that the spraying pressure and the spraying speed of the glue solution are changed, the front end of the valve needle is close to the front end of the flow guide pipe until the valve needle and the flow guide pipe are completely attached, the residual glue solution can be effectively discharged in the closing process, and the conditions of leakage and wire drawing of the closed glue solution and glue solution are guaranteed.
Description
Technical Field
The utility model relates to a high pressure rubber coating valve body belongs to rubber coating valve technical field.
Background
The glue coating valve is a flow control tool during glue coating, residual glue still flows out in the valve body when the existing glue coating valve is in a closed state, the condition of glue dripping or wire drawing can occur, and the spraying pressure and the speed of the glue cannot be adjusted.
Disclosure of Invention
The utility model discloses the technical problem that will solve lies in: the valve body is closed, the front end of the valve needle is close to the front end of the flow guide pipe until the valve needle and the flow guide pipe are completely attached, residual glue can be effectively discharged in the closing process, and the conditions of leakage and wire drawing of the closed glue and no glue drop are guaranteed.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
a high-pressure gluing valve body comprises a valve shell, a valve cover, a valve core, a valve needle, a nozzle and a connecting assembly, wherein a guide cavity is arranged in the valve shell, the valve core is positioned in the guide cavity, the peripheral surface of the valve core is in sliding seal with the wall of the guide cavity, the valve body is covered on the valve shell, an adjusting stud with the front end extending into the guide cavity is screwed on the valve cover, the connecting assembly comprises a connecting seat and a flow guide pipe, the connecting seat is fixed at the lower end of the valve shell, an L-shaped injection cavity extending from one side surface of the connecting seat to the bottom surface of the connecting seat is arranged in the connecting seat, the flow guide pipe is fixed with the bottom end of the connecting seat and communicated with the L-shaped injection cavity, the inner diameter of the flow guide pipe is gradually decreased from top to bottom, the nozzle is fixed with the end part, the front end of the valve needle is of a cone structure, a liquid outlet channel matched with the front end of the valve needle is arranged in the nozzle, and the upper part and the lower part of the valve casing are respectively provided with an air pipe joint communicated with the guide cavity.
Through adopting above-mentioned technical scheme, during the use, change the interior upper and lower part atmospheric pressure of guide chamber with two air pipe joint connections to the gas station and make the case be located suitable position, the adjusting stud can change the biggest rising position of case, thereby adjust the volume of glue of going out to the utmost, the honeycomb duct internal diameter decreases progressively and forms the backpressure that the toper structure produced little, the glue solution flows more smoothly, when the valve body was closed, the needle antedisplacement reduces the interval between its and the honeycomb duct and extrudes the feed liquid in the nozzle completely until the needle front end and nozzle laminating mutually form sealedly, the condition of glue dripping and wire drawing appears after avoiding closing.
In a preferred embodiment, the side surface of the valve casing is provided with a high-pressure connector communicated with the L-shaped injection cavity, the high-pressure connector is connected with an injection pipe, and the injection pipe is provided with a ball valve.
In a preferred embodiment, a fixing bracket is fixed outside the valve housing.
Preferably, the valve housing and the connecting seat have a passage for the valve needle to extend through, and a sealing seat and/or a sealing packing are provided in the passage.
Preferably, the upper end of the valve needle extends from the upper end of the valve core, the valve needle is provided with a limit table abutting against the lower end face of the valve core, and the upper end of the valve needle is locked by a nut.
The utility model has the advantages that: the valve needle is matched with the flow guide pipe, the valve needle is moved to change the relative position between the valve needle and the flow guide pipe under the condition of equal glue solution supply, the size of a glue solution channel formed between the valve needle and the flow guide pipe can be adjusted, so that the spraying pressure and the spraying speed of the glue solution are changed, the front end of the valve needle is close to the front end of the flow guide pipe until the valve needle and the flow guide pipe are completely attached, the residual glue solution can be effectively discharged in the closing process, and the conditions of leakage and wire drawing of the closed glue solution and glue solution are guaranteed.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a perspective view of the present invention.
In the figure: the valve comprises a valve shell 1, a valve cover 2, a valve core 3, a valve needle 4, a nozzle 5, a guide cavity 6, an adjusting stud 7, a connecting seat 8, a flow guide pipe 9, an L-shaped injection cavity 10, an air pipe joint 11, a high-pressure joint 12, an injection pipe 13, a ball valve 14 and a fixed support 15.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
As shown in fig. 1 and fig. 2, a high-pressure glue-coating valve body comprises a valve housing 1, a valve cover 2, a valve core 3, a valve needle 4, a nozzle 5 and a connecting assembly, wherein a guide cavity 6 is arranged in the valve housing 1, the valve core 3 is positioned in the guide cavity 6, the peripheral surface of the valve core 3 is in sliding seal with the cavity wall of the guide cavity 6, the valve body is covered on the valve housing 1, an adjusting stud 7 with the front end extending into the guide cavity 6 is screwed on the valve cover 2, the connecting assembly comprises a connecting seat 8 and a flow guide pipe 9, the connecting seat 8 is fixed at the lower end of the valve housing 1, an L-shaped injection cavity 10 extending from one side surface of the connecting seat 8 to the bottom surface is arranged in the connecting seat 8, the flow guide pipe 9 is fixed at the bottom end of the connecting seat 8, the flow guide pipe 9 is communicated with the L-shaped injection cavity 10, the inner, the other end stretches out to from valve casing 1, connecting seat 8 in the honeycomb duct 9 and form sliding seal between needle 4 and valve casing 1, the connecting seat 8, the front end of needle 4 is a cone structure, have in the nozzle 5 with needle 4 front end complex liquid outlet channel, the upper and lower part of valve casing 1 is equipped with one respectively and leads the trachea joint 11 of chamber 6 intercommunication.
Further, the side surface of the valve casing 1 is provided with a high-pressure joint 12 communicated with the L-shaped injection cavity 10, the high-pressure joint 12 is connected with an injection pipe 13, and the injection pipe 13 is provided with a ball valve 14.
Further, a fixing bracket 15 is fixed outside the valve housing 1.
Further, valve casing 1 the confession has on the connecting seat 8 the passageway that valve needle 4 stretches out is equipped with the seal receptacle in the passageway or be equipped with the seal groove and fill the sealing filler, perhaps takes two kinds of modes simultaneously, also can adopt seal groove, sealing washer matched with mode.
The valve casing is also provided with a pressure gauge.
Furthermore, the upper end of the valve needle 4 extends out of the upper end of the valve core 3, a limit table abutted against the lower end face of the valve core 3 is arranged on the valve needle 4, and the upper end of the valve needle 4 is locked through a nut.
Through valve needle 4 and honeycomb duct 9 cooperateing, under the condition that equal glue solution was supplied, remove valve needle 4 and change its relative position with honeycomb duct 9 between, can adjust the glue solution passageway size that forms between the two to change the blowout pressure and the speed of glue solution, the valve body is closed in-process, and valve needle 4 front end is close with honeycomb duct 9 front end and until both laminate completely, can effectively discharge remaining glue solution in the closing process, thereby guarantee to close the back and the condition of no glue drip and wire drawing.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A high-pressure gluing valve body is characterized by comprising a valve shell, a valve cover, a valve core, a valve needle, a nozzle and a connecting assembly, wherein a guide cavity is formed in the valve shell, the valve core is positioned in the guide cavity, the peripheral surface of the valve core is in sliding seal with the cavity wall of the guide cavity, the valve body covers the valve shell, an adjusting stud with the front end extending into the guide cavity is screwed on the valve cover, the connecting assembly comprises a connecting seat and a flow guide pipe, the connecting seat is fixed at the lower end of the valve shell, an L-shaped injection cavity extending from one side surface of the connecting seat to the bottom surface of the connecting seat is formed in the connecting seat, the flow guide pipe is fixed with the bottom end of the connecting seat and communicated with the L-shaped injection cavity, the inner diameter of the flow guide pipe is gradually decreased from top to bottom, the nozzle is fixed, Sliding seal is formed between the connecting seats, the front end of the valve needle is of a cone structure, a liquid outlet channel matched with the front end of the valve needle is arranged in the nozzle, and the upper part and the lower part of the valve casing are respectively provided with an air pipe joint communicated with the guide cavity.
2. The high-pressure glue-spreading valve body as claimed in claim 1, wherein a high-pressure joint communicated with the L-shaped injection cavity is arranged on the side surface of the valve casing, an injection pipe is connected to the high-pressure joint, and a ball valve is arranged on the injection pipe.
3. The high-pressure glue valve body as claimed in claim 1, wherein a fixing bracket is fixed outside the valve housing.
4. A high-pressure glue-applying valve body according to claim 1, characterised in that the valve housing and the connecting seat are provided with a passage for the valve needle to extend through, and a sealing seat and/or a sealing packing is/are arranged in the passage.
5. The high-pressure glue-spreading valve body as claimed in claim 1, wherein the upper end of the valve needle extends from the upper end of the valve core, the valve needle is provided with a limit table abutting against the lower end face of the valve core, and the upper end of the valve needle is locked by a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109818.1U CN210357864U (en) | 2019-07-15 | 2019-07-15 | High-pressure gluing valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921109818.1U CN210357864U (en) | 2019-07-15 | 2019-07-15 | High-pressure gluing valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210357864U true CN210357864U (en) | 2020-04-21 |
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ID=70271568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921109818.1U Active CN210357864U (en) | 2019-07-15 | 2019-07-15 | High-pressure gluing valve body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210357864U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252600A (en) * | 2019-07-15 | 2019-09-20 | 上海善佳机械设备有限公司 | A kind of high pressure gluing valve body |
| CN114733718A (en) * | 2022-04-29 | 2022-07-12 | 江苏长电科技股份有限公司 | Dispensing method, semiconductor packaging method and dispensing machine |
-
2019
- 2019-07-15 CN CN201921109818.1U patent/CN210357864U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252600A (en) * | 2019-07-15 | 2019-09-20 | 上海善佳机械设备有限公司 | A kind of high pressure gluing valve body |
| CN114733718A (en) * | 2022-04-29 | 2022-07-12 | 江苏长电科技股份有限公司 | Dispensing method, semiconductor packaging method and dispensing machine |
| CN114733718B (en) * | 2022-04-29 | 2024-04-02 | 江苏长电科技股份有限公司 | Dispensing method, semiconductor packaging method and dispensing machine |
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