CN202432849U - Positioning device - Google Patents
Positioning device Download PDFInfo
- Publication number
- CN202432849U CN202432849U CN2012200193640U CN201220019364U CN202432849U CN 202432849 U CN202432849 U CN 202432849U CN 2012200193640 U CN2012200193640 U CN 2012200193640U CN 201220019364 U CN201220019364 U CN 201220019364U CN 202432849 U CN202432849 U CN 202432849U
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- cylinder
- support plate
- pdp
- magnetic valve
- plc
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Abstract
The utility model provides a positioning device which is applied to a support plate in a PDP (plasma display panel) welding furnace and comprises a support, air cylinders, positioners, a position sensor and a PLC (programmable logic controller). The air cylinders are arranged on the support, and every two air cylinders are symmetrically arranged on two sides of the support plate. The positioners are arranged at ends of air cylinder rods of the air cylinders and used for positioning the support plate. The position sensor is arranged on the PDP welding furnace and used for detecting whether the support plate is transported to a preset position or not. The PLC is communicated with the position sensor. By the aid of the positioning device, immediate positioning of the support plate during the PDP welding furnace processes is realized, the support plate is enabled to move smoothly in the PDP welding furnace, and the support plate and a plasma display can be protected from being damaged by high temperature. Since the impact of high temperature to the support plate is reduced, the purpose for protecting the plasma display is realized, number of maintenance times is reduced, and service life of the plasma display is prolonged. Meanwhile, the support plate can be positioned at any time during the welding process, the process for positioning the support plate after blow-in process of the welding furnace is omitted, operation time is saved, and working efficiency is improved.
Description
Technical field
The utility model relates to plasma apparatus manufacturing technology field, particularly a kind of positioner.
Background technology
Sintering is a kind of processing technology that is applied in many industries at present, and its principle is that powder or powder compact are heated to and are lower than the wherein temperature of the fusing point of basis, then with the process of certain method and speed cool to room temperature.The manufacturing of plasma display just relates to sintering process, and sintering process occupies very heavy component in its manufacture process.
The basic principle of plasma display is an injecting gas between two glass plates, excites to produce ultraviolet ray, makes light-emitting phosphor, presents different colours.Plasma display is high with its resolution ratio, and screen is big, and is ultra-thin, and rich color, bright-coloured characteristics are used widely, and become a kind of important demonstration output equipment, in occupation of most large screen display market.
In the manufacturing process of plasma display; Mainly comprise 5 road sintering circuits; Wherein the sintering body of heater generally has 24 joints, and when carrying out sintering circuit, the glass substrate that will be used to make plasma display is placed on support plate; By support plate in tow glass substrate in sintering furnace, transport, glass substrate is carried out agglomeration.But because the sintering body of heater is long, support plate is prone in the transportation skew takes place in stove and is stuck in the stove; After in case support plate is stuck in the stove; Glass substrate in the sintering furnace and support plate are produced greatly influence, cause the batch of plasma panel to scrap, cost price is high; The cooling of sintering furnace needs tens hours, just can carry out after need waiting until normal temperature to the location of support plate, and is very time-consuming; In addition, the seal of this body structure of sintering furnace is better, and is not quick detachable, therefore big for the maintenance difficulty of support plate.
Therefore a kind of positioner that is used in the sintering furnace is provided,, in the service life of prolongation support plate, becomes those skilled in the art's problem demanding prompt solution to realize that the location of the support plate in the sintering furnace is reduced the influence that high temperature causes support plate and plasma display simultaneously.
The utility model content
The utility model provides a kind of positioner, realized the location to support plate in PDP (plasma display panel) sintering furnace, has reduced the influence that high temperature causes support plate and plasma display simultaneously, and then prolongs the service life of support plate.
The positioner that the utility model provides is applied on the support plate in the PDP sintering furnace, and it comprises:
Support;
Be installed in the cylinder on the said support, the number of said cylinder is an even number, and said cylinder in twos symmetry be installed on said support plate both sides;
Be installed on the cylinder rod end of said cylinder, be used to locate the positioning body of said support plate;
Be installed on the said PDP sintering furnace, be used to detect the position sensor that said support plate is transported to predeterminated position;
PLC, said PLC and said position sensor are connected by communication.
Preferably, in above-mentioned positioner, also comprise:
Be installed on the said cylinder, be used to detect the position detecting switch of said cylinder piston position, said position detecting switch is connected with said PLC communication;
Be installed on the said support, be used to be communicated with the magnetic valve between source of the gas and the said cylinder, said magnetic valve is used to switch the air inlet position of said cylinder.
Preferably, in above-mentioned positioner, said magnetic valve is a two-position four-way valve, and two gas ports of said magnetic valve link to each other with no cylinder rod chamber with the cylinder rod chamber that has of said cylinder respectively, and two other gas port links to each other with atmosphere with said source of the gas respectively.
Preferably, in above-mentioned positioner, said positioning body is ceramic locating wheel.
Preferably, in above-mentioned positioner, also comprise the warning device of reporting to the police when said cylinder piston motion position detecting switch not in place or said damages, said warning device links to each other with said cylinder and position detecting switch respectively.
Preferably, in above-mentioned positioner, said position detecting switch comprises and is installed on said cylinder side end, confirms the primary importance sense switch and the second place sense switch of two limit extended positions of the cylinder rod of said cylinder.
But the positioner that provides through technique scheme knowledge capital utility model; Realized in the PDP sintering furnace course of work timely location to support plate; Make support plate in the PDP sintering furnace, can move smoothly, reduced owing to the injury of high temperature to support plate and plasma display; In addition, after the influence reduction of high temperature to support plate, reach the purpose of protection equipment, reduced its maintenance frequency, improved the service life of equipment; Simultaneously, in sintering circuit, locate support plate at any time, avoided,, practiced thrift the operating time, improved operating efficiency the operation of support plate location with after the sintering furnace blow-on.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The positioner vertical view that Fig. 1 provides for the utility model embodiment;
The side view of the positioner that Fig. 2 provides for the utility model embodiment;
The sketch map of magnetic valve and cylinder in the positioner that Fig. 3 provides for the utility model embodiment.
The specific embodiment
The utility model provides a kind of positioner, realized the location to support plate in the PDP sintering furnace, has reduced the influence that high temperature causes support plate and plasma display simultaneously, and then prolongs the service life of support plate.
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, complete description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1, Fig. 2 and Fig. 3, the positioner vertical view that Fig. 1 provides for the utility model embodiment; The side view of the positioner that Fig. 2 provides for the utility model embodiment; The sketch map of magnetic valve and cylinder in the positioner that Fig. 3 provides for the utility model embodiment.
The positioner that the utility model provides is applied in the PDP sintering furnace, and it comprises support, cylinder 1, position sensor, positioning body 3 and PLC.
In the positioner that the utility model provides, include the even number cylinder, cylinder 1 is symmetrically distributed on the support of support plate 2 both sides in twos; Cylinder rod end at cylinder 1 is equipped with positioning body 3, and positioning body 3 directly contacts with support plate 2, is used for support plate 2 location; The position sensor that detects the support plate motion conditions is housed on the PDP sintering furnace, after position sensor detects support plate, sends the support plate movable information to PLC, subsequently support plate is positioned operation.
The positioner that the utility model provides is installed in the 6th, the 12nd and the 18th joint of sintering furnace, and when support plate 2 ran in the 6th, the 12nd or the 18th joint, the position sensor in the equipment can send information to PLC; PLC judges that this place has support plate 2 to pass through; This moment, control cylinder 1 make the elongation of cylinder 1 inside cylinder bar, and then positioning body 3 contacted with support plate 2; Under the effect of support plate 2 both sides locating pieces 3 thrusts, reach purpose to support plate 2 location.
The positioner that the utility model provides has been realized in the process of PDP sintering furnace work making support plate 2 in the PDP sintering furnace, can move smoothly to the timely location of support plate 2, reduced since high temperature to the injury of support plate 2 and plasma display; In addition, after the influence reduction of high temperature to support plate 2, reach the purpose of protection equipment, reduced its maintenance frequency, improved the service life of equipment; Simultaneously, in sintering circuit, accomplish location support plate 2, avoided,, practiced thrift the operating time, improved operating efficiency the operation of support plate 2 location with after the sintering furnace blow-on.
In order further to optimize technique scheme, magnetic valve 4 and position detecting switch 5 have been increased in the present embodiment; Magnetic valve 4 is installed on the support; And magnetic valve 4 is connected with the PLC communication, and PLC carries signal for magnetic valve 4, reaches the purpose of the air inlet position of control cylinder 1 through magnetic valve 4; And position detecting switch 5 is installed on the cylinder 1; Be used to detect the cylinder piston position, after cylinder piston moves to the precalculated position, send information to PLC.
After increasing magnetic valve 4, through the motion conditions that magnetic valve 4 comes control cylinder 1, the signal the when position sensor in the sintering furnace saves support plate 2 through the 6th, the 12nd or the 18th sends PLC to; PLC transmits signal to magnetic valve 4 more subsequently, magnetic valve 4 after receiving signal, begin the transposition, through the air inlet in the control cylinder of magnetic valve 4 with give vent to anger; Make the elongation of cylinder 1 inner carrier, through 3 pairs of support plates of positioning body, 2 location, behind the completion location; Position detecting switch 5 sends the position signalling of cylinder 1 to PLC, and PLC carries signals to each magnetic valve 4 again, the air inlet of regulating cylinder through magnetic valve with give vent to anger; Cylinder is shunk restore, accomplish the one-time positioning operation; Present embodiment adopts full-automatic operation, accomplishes gas transmission in the cylinder and exhaust, makes positioning action accurate, has practiced thrift the time.
In order further to optimize technique scheme, magnetic valve adopts two-position four-way valve, with two gas port one ends in the magnetic valve respectively with cylinder in the cylinder rod chamber that has link to each other with no cylinder rod chamber, the other end of gas port links to each other with atmosphere with source of the gas respectively.
When support plate is located; PLC sends to magnetic valve with framing signal; Magnetic valve begins transposition, and the gas port that communicate with no cylinder rod chamber this moment is an air inlet, is exhaust outlet with the gas port that has the cylinder rod chamber to communicate; In no cylinder rod chamber, carry gases at high pressure through air inlet, the cylinder rod elongation is positioned support plate; After accomplishing the location, PLC can send reset signal to magnetic valve, and magnetic valve begins transposition; The gas port that communicate with no cylinder rod chamber this moment is an exhaust outlet, is air inlet with the gas port that has the cylinder rod chamber to communicate, and in the cylinder rod chamber is arranged, goes out to send gases at high pressure by air inlet; Gas through exhaust outlet will not have in the cylinder rod chamber is discharged, and makes the cylinder rod retracted for clearance, adopts two-position four-way valve more convenient to the control of cylinder; Simple to operate, simplified finder greatly to support plate.
In order further to optimize technique scheme, the positioning body 3 that the utility model provides is locating wheel, and locating wheel adopts ceramic material; Locating wheel can rotate along the support plate side when contacting with support plate 2, has greatly reduced the coefficient of friction of locating piece and support plate 2, in to support plate 2 location, more helps passing through of support plate 2; It will be understood by those skilled in the art that the operating temperature in the sintering furnace is higher, be in the state work down of high temperature for a long time, can cause great influence equipment; In order to improve the heat-resisting quantity of locating wheel, to prolong the service life of locating wheel, the locating wheel that can adopt pottery to make; The heat-resisting quantity of pottery locating wheel is good; Can satisfy the condition that is in work under the high temperature for a long time, effectively protect equipment, increase the service life.
In order further to optimize technique scheme, warning device also is installed in the utility model, warning device links to each other with position detecting switch 5 with cylinder 1; Piston motion in cylinder is not in place; Make positioning body 3 effectively not locate, or damaging appear in position detecting switch 5, can not in time detect under the situation of position of piston to support plate 2; Warning device will be reported to the police; Make the staff can in time recognize the situation of equipment, guarantee that equipment is effectively protected, improved the security in the support plate position fixing process.
In order further to optimize technique scheme, the position detecting switch of on cylinder 1, installing 5 comprises the primary importance sense switch 52 and second place sense switch 51 that is installed in the cylinder side end; Through primary importance sense switch 52 and 51 effects of second place sense switch; Detect two extreme sport positions of cylinder piston; Guarantee that cylinder piston can move to the precalculated position; Make the length of cylinder rod elongation can reach purpose, can recognize the movement position of piston more accurately, guarantee smooth completion the support plate location through primary importance sense switch 52 and second place sense switch 51 are set to the support plate location.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (6)
1. a positioner is applied to it is characterized in that on the interior support plate (2) of PDP sintering furnace, comprising:
Support;
Be installed in the cylinder (1) on the said support, the number of said cylinder (1) is an even number, and said cylinder (1) in twos symmetry be installed on said support plate (2) both sides;
Be installed on the cylinder rod end of said cylinder (1), be used to locate the positioning body (3) of said support plate (2);
Be installed on the said PDP sintering furnace, be used to detect the position sensor that said support plate is transported to predeterminated position;
PLC, said PLC and said position sensor are connected by communication.
2. positioner according to claim 1 is characterized in that, also comprises:
Be installed on the said cylinder (1), be used to detect the position detecting switch (5) of said cylinder piston position, said position detecting switch (5) is connected with said PLC communication;
Be installed on the said support, be used to be communicated with the magnetic valve (4) between source of the gas and the said cylinder (1), said magnetic valve (4) is used to switch the air inlet position of said cylinder (1).
3. positioner according to claim 2; It is characterized in that; Said magnetic valve (4) is a two-position four-way valve, and two gas ports of said magnetic valve (4) have the cylinder rod chamber to link to each other with no cylinder rod chamber respectively with in the said cylinder (1), and two other gas port links to each other with atmosphere with said source of the gas respectively.
4. positioner according to claim 1 is characterized in that, said positioning body (3) is ceramic locating wheel.
5. positioner according to claim 2; It is characterized in that; Also comprise the warning device of reporting to the police when said cylinder piston motion position detecting switch not in place or said (5) damages, said warning device links to each other with said cylinder (1) and position detecting switch (5) respectively.
6. positioner according to claim 2; It is characterized in that; Said position detecting switch (5) comprises and is installed on said cylinder (1) side end, is used for confirming the primary importance sense switch (52) and the second place sense switch (51) of two limit extended positions of said cylinder inside cylinder bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200193640U CN202432849U (en) | 2012-01-16 | 2012-01-16 | Positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200193640U CN202432849U (en) | 2012-01-16 | 2012-01-16 | Positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202432849U true CN202432849U (en) | 2012-09-12 |
Family
ID=46782289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200193640U Expired - Fee Related CN202432849U (en) | 2012-01-16 | 2012-01-16 | Positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202432849U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915048A (en) * | 2012-10-29 | 2013-02-06 | 神华集团有限责任公司 | System and method for controlling coke quenching |
| CN107328243A (en) * | 2017-08-11 | 2017-11-07 | 中冶焦耐(大连)工程技术有限公司 | A kind of electric trailer tracks positioned correcting device and method |
| CN109809133A (en) * | 2019-04-09 | 2019-05-28 | 胡喜田 | Ferry bus and its control method in tunnel oven |
| CN109941727A (en) * | 2019-05-06 | 2019-06-28 | 创维集团智能装备有限公司 | Positioning system and display device production line |
-
2012
- 2012-01-16 CN CN2012200193640U patent/CN202432849U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102915048A (en) * | 2012-10-29 | 2013-02-06 | 神华集团有限责任公司 | System and method for controlling coke quenching |
| CN107328243A (en) * | 2017-08-11 | 2017-11-07 | 中冶焦耐(大连)工程技术有限公司 | A kind of electric trailer tracks positioned correcting device and method |
| CN109809133A (en) * | 2019-04-09 | 2019-05-28 | 胡喜田 | Ferry bus and its control method in tunnel oven |
| CN109941727A (en) * | 2019-05-06 | 2019-06-28 | 创维集团智能装备有限公司 | Positioning system and display device production line |
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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: 20120912 Termination date: 20150116 |
|
| EXPY | Termination of patent right or utility model |