CN201498477U - Device for reducing bottom flatness of framework shadow mask component - Google Patents
Device for reducing bottom flatness of framework shadow mask component Download PDFInfo
- Publication number
- CN201498477U CN201498477U CN2009200342130U CN200920034213U CN201498477U CN 201498477 U CN201498477 U CN 201498477U CN 2009200342130 U CN2009200342130 U CN 2009200342130U CN 200920034213 U CN200920034213 U CN 200920034213U CN 201498477 U CN201498477 U CN 201498477U
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- framework
- horizontal support
- shadow mask
- mask assembly
- support arms
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Abstract
A device for reducing bottom flatness of a framework shadow mask component comprises a framework (1), wherein four corners of the bottom surface of the framework (1) are respectively provided with a horizontal support arm (2), the center of the framework (1) is provided with a fixing rod (3), each horizontal support arm (2) is connected with the fixing rod (3), the front end of the horizontal support arm (2) is connected with a spacing block (6), the limiting block (6) is contacted with the bottom surface of the framework (1), since four spacing blocks are contacted to the bottom surface of the framework (1), the contact gap of the spacing block (6) and the bottom of the framework (1) is led to be smaller than 0.3mm, then, the position of the spacing block is fixed, the welding state of the framework shadow mask is led to be stable, thereby reaching the purpose of reducing the bottom flatness of the framework shadow mask, and meanwhile, the device leads the framework shadow mask component not to be changed on a relative position during welding.
Description
Technical field
The utility model relates to the color picture tube manufacturing technology, particularly a kind of device that reduces framework mask assembly bottom surface flatness.
Background technology
In the manufacturing of color picture tube, the afterframe mask assembly will be welded because the framework bottom surface that distortion produces and the gap of horizontal plane are called flatness, flatness generally is controlled in the 1mm, and the bottom surface flatness is more little, and is big more to the assembly precision help of framework mask assembly.When shadow mask and framework welding, when electrode in running order, be that electrode holder tight frame and shadow mask are when welding, because the electrode clamping force is very big, cause four jiaos of discontinuity of framework, the framework mask assembly after the welding can produce the distortion of level and vertical direction, twists can reach 2mm-6mm when serious, this distortion causes framework bottom surface flatness seriously overproof, the assembly performance variation of framework mask assembly.This welding manner is just adopted in the welding of 54cm framework mask assembly, and unusual fluctuations often appear in the bottom surface flatness of framework mask assembly.
In the prior art, adjustment to framework mask assembly bottom surface flatness, mainly be by adjustment to welding electrode bight clamped condition, reach the framework shadow mask when welding, the stressed size of two diagonal upper frames of along continuous straight runs is consistent, be that framework diagonal horizontal direction force makes a concerted effort be zero, reach the purpose of improving framework mask assembly flatness.But because three spring leafs of framework are fixed on pairing three the long limit pins of weld mold, during welding, the framework mask assembly is in vacant state, is difficult to framework firmly evenly when making electrode work.In case the situation of framework mask assembly discontinuity occurs, adjust the position of welding electrode and just need expend a large amount of time, but be difficult in and keep the stable operating state of welding electrode in the long time, very big waste has been caused because flatness overproof framework mask assembly in bottom surface is finally scrapped in the welding back.
Summary of the invention
In order to overcome the defective of above-mentioned prior art, the purpose of this utility model is to provide a kind of device that reduces framework mask assembly bottom surface flatness, has characteristics simple in structure, easy to use, control stabilization.
In order to achieve the above object, the technical solution of the utility model is achieved in that a kind of device that reduces framework mask assembly bottom surface flatness, comprise framework 1, on four angles of framework 1 bottom surface a horizontal support arms 2 is arranged respectively, there is fixed lever 3 at the center of framework 1, each horizontal support arms 2 all is connected with fixed lever 3, and horizontal support arms 2 front ends connect guide vane end stop 6, and guide vane end stop 6 contacts with framework bottom surface 1.
On four sides of described framework 1 spring leaf 8 is arranged respectively.
Described guide vane end stop 6 is made by nylon.
Reinforcement 4 at its vertical direction is all arranged on each horizontal support arms 2 of fixed lever 3 places.
Because four guide vane end stops 6 of the present utility model touch on framework 1 bottom surface, the contact gap that makes guide vane end stop 6 and framework 1 bottom surface is less than 0.3mm, the position of fixed limit piece 6 then, the welded condition of framework shadow mask is stablized, thereby reached the purpose that reduces framework mask assembly bottom surface flatness; Simultaneously, the utility model makes the relative position of framework mask assembly when welding can not change.
Description of drawings
Fig. 1 is a structure principle chart of the present utility model.
Fig. 2 is used schematic diagram for the utility model and bonding machine 11, counterdie 9.
Fig. 3 is the structural representation of the counterdie 9 that is used with the utility model.
Embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and operation principle are described in detail.
With reference to Fig. 1, a kind of device that reduces framework mask assembly bottom surface flatness, comprise framework 1, on four angles of framework 1 bottom surface a horizontal support arms 2 is arranged respectively, there is fixed lever 3 at the center of framework 1, each horizontal support arms 2 all is connected with fixed lever 3, reinforcement 4 at its vertical direction is all arranged on each horizontal support arms 2 of fixed lever 3 places, horizontal support arms 2 front ends connect guide vane end stop 6 by screw rod 5, screw rod 5 is fixing with nut 7 with the upper end of horizontal support arms 2 junctions, guide vane end stop 6 contacts with framework bottom surface 1, is fixed on the adjustment that screw rod 5 on the horizontal support arms 2 can be made upper-lower position to guide vane end stop.
On four sides of described framework 1 spring leaf 8 is arranged respectively.
Described guide vane end stop 6 is made by nylon.
Operation principle of the present utility model is: with reference to Fig. 2, Fig. 3, the utility model is fixed on the support of bonding machine 11 patrixes, the upper die and lower die 9 of closed bonding machine 11, because the framework mask assembly is when welding, electrode 12 can produce tensile force to framework 1, cause the framework mask assembly when welding, to produce distortion, so use the utility model, in pin 10 holes of welding counterdie 9 correspondences of earlier three spring leafs of framework mask assembly being packed into, counterdie 9 is adjusted the height of pins 10, makes four spring leafs 8 on the framework 1 on same horizontal plane; Four guide vane end stops 6 touch on framework 1 bottom surface, the contact gap that makes guide vane end stop 6 and framework bottom surface is less than 0.3mm, and the position of fixed limit piece 6 is stablized the welded condition of framework shadow mask then, finally save the time, significantly improved yield of products.
Claims (4)
1. device that reduces framework mask assembly bottom surface flatness, it is characterized in that, comprise framework (1), on four angles of framework (1) bottom surface a horizontal support arms (2) is arranged respectively, there is fixed lever (3) at the center of framework (1), each horizontal support arms (2) all is connected with fixed lever (3), and horizontal support arms (2) front end connects guide vane end stop (6), and guide vane end stop (6) contacts with framework bottom surface (1).
2. a kind of device that reduces framework mask assembly bottom surface flatness according to claim 1 is characterized in that, on four sides of described framework (1) spring leaf (8) is arranged respectively.
3. a kind of device that reduces framework mask assembly bottom surface flatness according to claim 1 is characterized in that described guide vane end stop (6) is made by nylon.
4. a kind of device that reduces framework mask assembly bottom surface flatness according to claim 1 is characterized in that, locates that at fixed lever (3) reinforcement at its vertical direction (4) is all arranged on each horizontal support arms (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200342130U CN201498477U (en) | 2009-08-14 | 2009-08-14 | Device for reducing bottom flatness of framework shadow mask component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200342130U CN201498477U (en) | 2009-08-14 | 2009-08-14 | Device for reducing bottom flatness of framework shadow mask component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201498477U true CN201498477U (en) | 2010-06-02 |
Family
ID=42441678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200342130U Expired - Fee Related CN201498477U (en) | 2009-08-14 | 2009-08-14 | Device for reducing bottom flatness of framework shadow mask component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201498477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099769A (en) * | 2017-05-26 | 2017-08-29 | 京东方科技集团股份有限公司 | The framework of adjustable flatness |
-
2009
- 2009-08-14 CN CN2009200342130U patent/CN201498477U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107099769A (en) * | 2017-05-26 | 2017-08-29 | 京东方科技集团股份有限公司 | The framework of adjustable flatness |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20130814 |