CN201482681U - Rotary control valve - Google Patents
Rotary control valve Download PDFInfo
- Publication number
- CN201482681U CN201482681U CN200920134040XU CN200920134040U CN201482681U CN 201482681 U CN201482681 U CN 201482681U CN 200920134040X U CN200920134040X U CN 200920134040XU CN 200920134040 U CN200920134040 U CN 200920134040U CN 201482681 U CN201482681 U CN 201482681U
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- Prior art keywords
- rotating shaft
- sealing device
- control valve
- rotary control
- cylinder
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Abstract
The utility model relates to a rotary control valve, which comprises a valve body, an air cylinder, a feeding hole, a discharging hole, an air inlet device, a coupling, a rotary cover, a rotary shaft, and a first sealing device and a second sealing device arranged on the rotary shaft; a cavity is arranged in the valve body, the feeding hole and the discharging hole which are linked up from top to bottom are formed on the valve body, the feeding hole and the discharging hole are communicated with the cavity respectively to form a communicating channel, and the rotary shaft, and the first sealing device and the second sealing device which are arranged on the rotating shaft are arranged in the cavity, wherein the rotary shaft arranged between the first and the second sealing devices is arranged in the communicating channel, the first end of the rotary shaft is communicated with the air cylinder through the coupling, and the second end of the rotary shaft is connected with the rotary cover. The dispensing rotary control valve provided by the utility model has the advantages that glue dispensing is quick and correct, glue stopping is clean, and the sealing structure is not easy to damage.
Description
Technical field
The utility model relates to a kind of glue dispensing valve, and it is particularly related to a kind of glue dispensing valve that is provided with rotary control valve, in order to promote accurate some glue accuracy.
Background technology
Now, it is quite general to utilize glue dispensing valve to glue together the application of assembly in the encapsulation procedure of electronic industry, and the structure of glue dispensing valve is closed the device that forms by four base screws and four loam cake screws with the inspection of construction packages such as a loam cake, a piston spring, a piston, a body, a needle-valve, a valve seat body and a tailstock mostly traditionally.When this glue dispensing valve is imported a glue, and drive this needle-valve start by this piston, this glue is pushed out by needle-valve should, firm glue valve, reach the purpose of a glue, announce novel patent No. 301382 as TaiWan, China, the glue dispensing valve structure shown in the structure of porous glue dispensing valve device promptly is numerous assembly bolts to be closed the glue dispensing valve structure that forms as above-mentioned by screw.And carry out the process of a glue in this glue dispensing valve; because of continuous start of piston and the constantly event of bump of needle-valve; usually can produce the glue private stagnates in glue dispensing valve; or this glue dispensing valve assembly produces the situation of elastic fatigue or wearing and tearing; and when should, vapour glue valve need clean or change assembly and when tearing open, after promptly needing this loam cake screw and this base screw outwarded winding; whole glue dispensing valve is disassembled, the assembly of needs cleaning could be cleaned maybe the assembly that damages is changed.And behind cleaning or replacing assembly, again assembly is assembled back in the process of this glue dispensing valve, can can in assembling process, produce an opposition because of this piston spring again, often cause the situation that needs two people this glue dispensing valve assembling could be finished to take place, cause quite inconvenience.
So the shortcoming of existing glue dispensing valve is that sealing ring pad is worn easily, and some glue speed is slow, and efficient is low when causing constructing.
Therefore, there is defective in prior art, needs to improve.
The utility model content
The purpose of this utility model is to provide a kind of glue quick, accurately, and disconnected clean, non-damageable some glue rotary control valve of hermetically-sealed construction of glue.
The technical solution of the utility model is as follows:
A kind of rotary control valve comprises valve body, cylinder, charging hole, discharge opening, inlet duct, shaft coupling, spiral cover, rotating shaft and first closely packed that is arranged on the described rotating shaft is put and second sealing device; One cavity is set in the described valve body, one described charging hole of up/down perforation is set on the described valve body, one described discharge opening, described charging hole, described discharge opening, be connected with described cavity respectively and form a communication passage, described rotating shaft and first sealing device and second sealing device that are arranged on the described rotating shaft are arranged in the described cavity, wherein, be arranged in the middle rotating shaft of first sealing device and second sealing device and be arranged on described communication passage, first end of described rotating shaft is connected with described cylinder by described shaft coupling, and second end of described rotating shaft is connected with described spiral cover.
Described rotary control valve, wherein, described first sealing device and described second sealing device are separately positioned on the both sides of described communication passage, are used for being used in combination with described rotating shaft, form the communication passage of a sealing in described cavity.
Described rotary control valve, wherein, the outer setting one described inlet duct of described cylinder, described inlet duct is provided with first intake interface and second intake interface at least, described first intake interface is connected with the air inlet pipe of outside respectively with described second intake interface, is used for coming variation of gas pressure in the control cylinder by the air inlet pipe variation of gas pressure, thereby drive the rotation of cylinder, the rotation of passing through shaft coupling driven rotary axle of cylinder.
Described rotary control valve, wherein, the scope that described cylinder rotates is 0 to 180 degree, first end of described rotating shaft is connected with described cylinder by described shaft coupling, is used for the described rotating shaft of described cylinder rotation drive and rotates at 0 to 180 degree.
Described rotary control valve wherein, is provided with the mesopore that silica gel is extruded between described rotating shaft and the described cavity inner wall.
Described rotary control valve, wherein, described rotating shaft is provided with the mesopore that silica gel is extruded.
Described rotary control valve, wherein, described rotating shaft is ceramic rotating shaft.
Described rotary control valve, wherein, described rotating shaft is the stainless steel rotating shaft.
Described rotary control valve, wherein, described first sealing device and described second sealing device are the O RunddichtringOs.
Described rotary control valve, wherein, described first sealing device and described second sealing device are the rubber-like rubber tube.
For the function that realizes design of the present utility model is provided with an O RunddichtringO respectively at the two ends of described rotating shaft, two O RunddichtringOs are used in combination with rotating shaft in described communication passage, form the space of a sealing, prevented effectively in the process of a glue, because producing the glue private stagnates in glue dispensing valve, or this glue dispensing valve assembly produces the situation of elastic fatigue or wearing and tearing, and when being somebody's turn to do, vapour glue valve need clean or change assembly and when tearing open, after promptly needing this loam cake screw and this base screw outwarded winding, whole glue dispensing valve is disassembled, the assembly of needs cleaning could be cleaned maybe the assembly that damages is changed, it is quick to plant some glue, and accurately, disconnected glue is clean, the non-damageable glue dispensing valve of hermetically-sealed construction.
Description of drawings
Fig. 1 is the structure chart of the utility model rotary control valve.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
A kind of rotary control valve comprises valve body, cylinder 1, charging hole 12, discharge opening 13, inlet duct 9, shaft coupling 8, spiral cover 6, rotating shaft 4 and is arranged on first sealing device 7 and second sealing device 11 on the described rotating shaft 4; Described valve body comprises upper valve body 2 and following valve body 5, constitute whole valve body by upper valve body 2 and following valve body 5, one cavity 14 is set in the described valve body, one described charging hole 12 of up/down perforation is set on the described valve body, one described discharge opening 13, described charging hole 12, described discharge opening 13, be connected with described cavity 14 respectively and form a communication passage, described rotating shaft 4 and first sealing device 7 and second sealing device 11 that are arranged on the described rotating shaft 4 are arranged in the described cavity 14, wherein, the rotating shafts that are arranged in first sealing device 7 and second sealing device, 11 centres are arranged on described communication passage, first end of described rotating shaft 4 is connected with described cylinder 1 by described shaft coupling 8, and second end of described rotating shaft 4 is connected with described spiral cover 6.In the process that reality is used, described first sealing device 7 and described second sealing device 11 are separately positioned on the both sides of described communication passage, be used for being used in combination with described rotating shaft 4, in described cavity 14, form the communication passage of a sealing, be mainly used to prevent effectively in the process of a glue, stagnate in glue dispensing valve owing to produce the glue private, or this glue dispensing valve assembly produces the situation of elastic fatigue or wearing and tearing.In order to strengthen the wearability of rotating shaft 4, using rotating shaft is that ceramic rotating shaft or use rotating shaft are the stainless steel rotating shafts; Generally described first sealing device and described second sealing device use the O RunddichtringO or use the rubber-like rubber tube.
When using at ordinary times, outer setting one described inlet duct 9 at cylinder 1, at inlet duct 9 first intake interface and second intake interface are set at least, described first intake interface is connected with the air inlet pipe of outside respectively with described second intake interface, be used for by the air inlet pipe variation of gas pressure, come variation of gas pressure in the control cylinder, thereby drive the rotation of cylinder, the rotation of passing through shaft coupling driven rotary axle of cylinder; The scope that cylinder rotates is 0 to 180 degree, first end of described rotating shaft is connected with described cylinder by described shaft coupling, be used for described cylinder and rotate the described rotating shaft of drive in 0 to 180 degree rotation, rotating shaft 4 is provided with the mesopore that silica gel is extruded, or is provided with the mesopore that silica gel is extruded between described rotating shaft and described cavity inner wall.
In process used in everyday, rotary control valve is installed in the stiff end of point gum machine or manipulator or robot usually, install inlet valve at charging hole 12, on discharge opening 13, install syringe needle, first intake interface and second intake interface are set on inlet duct 9, be connected with first air inlet pipe at first intake interface, second intake interface is connected with second air inlet pipe, be used for by the air inlet pipe variation of gas pressure, come variation of gas pressure in the control cylinder, thereby drive the rotation of cylinder, the rotation of passing through shaft coupling driven rotary axle of cylinder; In normal use start, position according to main frame set-point glue, drive the rotation of cylinder 1 by the variation of host computer control first air inlet pipe and second suction press, the rotation of cylinder 1 drives the rotation of shaft coupling 8, the rotation of shaft coupling 8 drives rotating shaft 4, rotating shaft 4 is provided with the mesopore that silica gel is extruded, when rotating shaft 4 rotates to the mesopore conducting, fluid glue in the inlet valve will enter in the syringe needle through communication passage, in an embodiment, the disconnected glue design of 90 degree that rotating shaft 4 is provided with can certainly be set to the disconnected glue design of 1 degree to 179 degree as required; In the present embodiment, first sealing device 7 and second sealing device 11 are two O RunddichtringOs, two O RunddichtringOs and rotating shaft 4 are used in combination and form a sealing communication passage in valve body internal cavity 14 in cavitys 14, rotating shaft 4 is in rotation, the urgent combination of inwall of two O RunddichtringOs and rotating shaft 4 and cavity 14, be mainly used to like this prevent effectively in the process of a glue, stagnate in glue dispensing valve owing to produce the glue private, or this glue dispensing valve assembly produces the situation of elastic fatigue or wearing and tearing.In order to strengthen the wearability of rotating shaft 4, using rotating shaft is that ceramic rotating shaft or use rotating shaft are the stainless steel rotating shafts.
For the function that realizes design of the present utility model is provided with an O RunddichtringO respectively at the two ends of described rotating shaft, two O RunddichtringOs are used in combination with rotating shaft in described communication passage, form the space of a sealing, prevented effectively in the process of a glue, because producing the glue private stagnates in glue dispensing valve, or this glue dispensing valve assembly produces the situation of elastic fatigue or wearing and tearing, and when being somebody's turn to do, vapour glue valve need clean or change assembly and when tearing open, after promptly needing this loam cake screw and this base screw outwarded winding, whole glue dispensing valve is disassembled, the assembly of needs cleaning could be cleaned maybe the assembly that damages is changed, it is quick to plant some glue, and accurately, disconnected glue is clean, the non-damageable glue dispensing valve of hermetically-sealed construction.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a rotary control valve is characterized in that, comprises valve body, cylinder, charging hole, discharge opening, inlet duct, shaft coupling, spiral cover, rotating shaft and first closely packed that is arranged on the described rotating shaft is put and second sealing device; One cavity is set in the described valve body, one described charging hole of up/down perforation is set on the described valve body, one described discharge opening, described charging hole, described discharge opening, be connected with described cavity respectively and form a communication passage, described rotating shaft and first sealing device and second sealing device that are arranged on the described rotating shaft are arranged in the described cavity, wherein, be arranged in the middle rotating shaft of first sealing device and second sealing device and be arranged on described communication passage, first end of described rotating shaft is connected with described cylinder by described shaft coupling, and second end of described rotating shaft is connected with described spiral cover.
2. rotary control valve according to claim 1, it is characterized in that, described first sealing device and described second sealing device are separately positioned on the both sides of described communication passage, are used for being used in combination with described rotating shaft, form the communication passage of a sealing in described cavity.
3. rotary control valve according to claim 1, it is characterized in that, the outer setting one described inlet duct of described cylinder, described inlet duct is provided with first intake interface and second intake interface at least, described first intake interface is connected with the air inlet pipe of outside respectively with described second intake interface, is used for coming variation of gas pressure in the control cylinder by the air inlet pipe variation of gas pressure, thereby drive the rotation of cylinder, the rotation of passing through shaft coupling driven rotary axle of cylinder.
4. rotary control valve according to claim 3, it is characterized in that, the scope that described cylinder rotates is 0 to 180 degree, and first end of described rotating shaft is connected with described cylinder by described shaft coupling, is used for the described rotating shaft of described cylinder rotation drive and rotates at 0 to 180 degree.
5. rotary control valve according to claim 1 is characterized in that, is provided with the mesopore that silica gel is extruded between described rotating shaft and the described cavity inner wall.
6. rotary control valve according to claim 1 is characterized in that described rotating shaft is provided with the mesopore that silica gel is extruded.
7. rotary control valve according to claim 1 is characterized in that, described rotating shaft is ceramic rotating shaft.
8. rotary control valve according to claim 1 is characterized in that, described rotating shaft is the stainless steel rotating shaft.
9. rotary control valve according to claim 1 is characterized in that, described first sealing device and described second sealing device are the O RunddichtringOs.
10. rotary control valve according to claim 1 is characterized in that, described first sealing device and described second sealing device are the rubber-like rubber tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920134040XU CN201482681U (en) | 2009-07-21 | 2009-07-21 | Rotary control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920134040XU CN201482681U (en) | 2009-07-21 | 2009-07-21 | Rotary control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201482681U true CN201482681U (en) | 2010-05-26 |
Family
ID=42421574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920134040XU Expired - Lifetime CN201482681U (en) | 2009-07-21 | 2009-07-21 | Rotary control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201482681U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618372B (en) * | 2009-07-21 | 2012-05-02 | 深圳市轴心自控技术有限公司 | Rotating valve |
-
2009
- 2009-07-21 CN CN200920134040XU patent/CN201482681U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101618372B (en) * | 2009-07-21 | 2012-05-02 | 深圳市轴心自控技术有限公司 | Rotating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100526 Effective date of abandoning: 20090721 |