CN103802050A - Fixture structure for backboard flatness measurement of LCD TV - Google Patents
Fixture structure for backboard flatness measurement of LCD TV Download PDFInfo
- Publication number
- CN103802050A CN103802050A CN201410053019.2A CN201410053019A CN103802050A CN 103802050 A CN103802050 A CN 103802050A CN 201410053019 A CN201410053019 A CN 201410053019A CN 103802050 A CN103802050 A CN 103802050A
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- China
- Prior art keywords
- backboard
- guide rod
- pair
- liquid crystal
- adjustment arm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Liquid Crystal (AREA)
Abstract
A fixture structure for backboard flatness measurement of LCD TV belongs to the technical field of tooling fixtures. The fixture structure for backboard flatness measurement of LCD TV comprises a base, wherein a pair of guiding rails is fixed on the base in a mutual parallel mode with the base along the length direction of the base and the guiding rails are on the surface of an upward side of the base when the base is in work; a pair of backboard vertical maintenance mechanism, wherein the pair of backboard vertical maintenance mechanism movably arranged on the pair of guiding rails in a mutual parallel mode. The fixture structure for backboard flatness measurement of LCD TV has the advantages that the LCD TV backboard to be detected of flatness can be restricted to free vertical state by a pair of backboard vertical maintenance mechanism; the whole structure is simple so that the operation is convenient and quick; the pair of backboard vertical maintenance mechanism can be movably arranged on the pair of guiding rails, so that operating requirements of LCD TV backboard with different specifications can be met.
Description
Technical field
The invention belongs to technical field of tooling clamps, be specifically related to the clamp structure that a kind of liquid crystal TV set backboard roughness measurement is used.
Background technology
Liquid crystal TV set backboard also claims display backplane, has and reduces the effect that electromagnetic signal was disturbed, helped heat radiation and makes the work of LCD TV stable for extended periods of time.Along with the progress of technology, the size of liquid crystal TV set is gradually to maximization future development, thereby the size of liquid crystal TV set backboard is also correspondingly to large scale development.So except backboard Sheet Metal Forming Technology is required to improve constantly, the requirement of the flatness to liquid crystal TV set backboard is also increasingly harsh.The roughness measurement of liquid crystal TV set backboard that for small-sized specification is the small screen is conventionally comparatively convenient, consuming time short and can be completed separately by a people, but conventionally need to be completed and consuming time longer by multi-person synergy for the roughness measurement of large-scale liquid crystal TV set backboard, not only affect detection efficiency, waste valuable human resources, once and many people be engaged in lift fortune backboard process in error can cause hidden danger.
In disclosed Chinese patent literature, can be seen in the technical information about liquid crystal TV set backboard roughness measurement, typically as Granted publication CN203053395U recommends to have " a kind of display backplane presswork flatness checking device ", although this patent scheme can embody the technique effect of the 0008th section of record of its description, there is following shortcoming: the one, complex structure; The 2nd, owing to needing backboard to be placed in to datum plate and to check between chi in testing process, and check that chi is driven through a series of drive disk assembly by motor, in the time there is amount of deflection in liquid crystal TV set backboard, just hinder checking that chi produces, thereby detect position, amount of deflection place (can referring to the 0016th section, description), thereby in actual testing process, check chi and the collision of amount of deflection position, there is the anxiety that undermines backboard and/or check chi.Patent of invention publication No. CN103196355A provides " a kind of backboard detection guiding ruler ", there is strong point simple in structure, but, due to test by liquid crystal TV set backboard to carry out under horizontally-arranged state, thereby can not effectively predict amount of deflection, because temporarily disappearance (amount of deflection is covered) of amount of deflection during by horizontally-arranged liquid crystal TV set backboard (industry custom claims to keep flat), because liquid crystal TV set backboard is vertical under use state, the effective ways that therefore predict its flatness should make it in vertical state again.So just relate to how by the liquid crystal TV set backboard technical problem in vertical state reliably, more particularly owing to lacking and being suitable for liquid crystal TV set backboard to be effectively limited to terse, the easy to operate clamp structure of structure of vertical state before testing flatness in prior art, thus to liquid crystal TV set backboard particularly the liquid crystal TV set backboard roughness measurement of large specification cause puzzlement.
As is known in the industry, fixture is carry out spacing to workpiece and use the special equipment that reaches certain technological requirement for the manufacture at certain product, measurement and/or subsequent handling process, and conventionally need to meet when to workpiece manufacture, measurement without the requirement such as phenomenon, simple operation of interfering.In addition, because fixture has exclusive for certain workpiece, therefore general degree is extremely low, often by the production firm of workpiece (or claiming product) with the mode designed, designed of cutting the garment according to the figure and manufacture.Based on this factor, in current disclosed patent and non-patent literature, be showed no all technology enlightenments being addressed the above problem just.The applicant has done positive and useful design for this reason, and is taking the laboratory the applicant under secrecy provision to carry out simulated test, and it is practicable that result proves.
Summary of the invention
Task of the present invention is to provide a kind of contributing to that the liquid crystal TV set backboard that awaits detecting flatness is limited to freely to vertical state, is conducive to ensure that structure is terse swift to operate and be of value to and meet the clamp structure that liquid crystal TV set backboard roughness measurement that liquid crystal TV set backboard change in size requires is used.
Task of the present invention completes like this, the clamp structure that a kind of liquid crystal TV set backboard roughness measurement is used, comprise a base, under this base use state towards on a side surface and be fixed with pair of guide rails along the length direction of base with parallel state; The vertical maintaining body of a pair of backboard, the vertical maintaining body of this pair of backboard is disposed in described pair of guide rails movably with parallel state.
In a specific embodiment of the present invention, the structure that described base is cuboid, and be provided with base leg towards a side of terrace under base use state.
In another specific embodiment of the present invention, the described vertical maintaining body of a pair of backboard respectively comprises adjustment arm, retention device under backboard, retention device on column and backboard, adjusting arm and described pair of guide rails is slidably matched, this adjustment arm towards on a side be fixed with a scale, under backboard, retention device matches towards one end of column with adjustment arm, the lower end of column is fixed with adjustment arm, and with the relation of adjusting arm formation L font, the upper end of column offers column adjusting hole with interval state, on backboard, retention device is being disposed on column corresponding to the position of column adjusting hole, and corresponding to the top of retention device under described backboard.
In another specific embodiment of the present invention, on described adjustment arm and in the position of the pair of guide rails corresponding to described, offer pair of guide rails mating groove, pair of guide rails mating groove and pair of guide rails are slidably matched.
In another specific embodiment of the present invention, the shape of cross section of described pair of guide rails is swallow-tail form, and described pair of guide rails mating groove is swallow tail shaped slot.
Also have in a specific embodiment of the present invention, on described adjustment arm and be positioned at adjust arm offer an adjustment arm fixing hole away from the position of one end of described column, this adjustment arm fixing hole is corresponding with the wherein guide rail in described pair of guide rails, and is equipped with an adjustment arm fixing hole screw adjusting on arm fixing hole.
More of the present invention and in a specific embodiment, under described backboard, retention device comprises lower block and lower block hold-down screw, lower block forms an adjustment arm mating cavity, this adjustment arm mating cavity matches with described adjustment arm, and offer block fixing screw hole at lower block towards a side of lower block hold-down screw, lower block hold-down screw is screwing on lower block corresponding to the position of lower block fixing screw hole.
In of the present invention and then a specific embodiment, on described backboard, retention device comprises block, guide rod, guide rod transition attachment screw and guide rod hold-down screw, on upper block, offer a guide rod mating holes, and offer a guide rod fixing screw hole on the top of upper block, this guide rod fixing screw hole communicates with described guide rod mating holes, guide rod is placed in guide rod mating holes towards one end of upstop, and guide rod is configured to horizontal boom end away from one end of upper block, and the central authorities at the length direction of guide rod offer a transition attachment screw hole, this transition attachment screw hole connects to the other end from one end of the length direction of guide rod, guide rod transition attachment screw is successively through transition attachment screw hole and described column adjusting hole and limited by the nut screwing on guide rod transition attachment screw, guide rod hold-down screw screws on described guide rod fixing screw hole and is insinuated in described guide rod mating holes described guide rod is limited.
Of the present invention again more and in a specific embodiment, described guide rod mating holes is square hole, the shape of cross section of described guide rod is square.
In again of the present invention and then a specific embodiment, in four bights of described guide rod mating holes, each formation has one for stoping guide rod guide rod seamed edge mating groove rotationally.
One of technique effect of technical scheme provided by the invention, can be by the vertical maintaining body of a pair of backboard by the liquid crystal TV set backboard control that awaits detecting flatness in free vertical state; Two, because overall structure is terse, thereby easy to operate and quick; Because the vertical maintaining body of a pair of backboard is disposed in pair of guide rails movably, thereby can meet the instructions for use of the liquid crystal TV set backboard to inconsiderate specification.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention structure chart.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, applicant elaborates the mode with embodiment below, but be not all the restriction to the present invention program to the description of embodiment, any done according to the present invention design only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Refer to Fig. 1, provide a base 1, the structure that this base 1 is cuboid, more particularly, the shape that base 1 is cuboid, under base 1 use state, (shown in Fig. 1, being use state) is fixed with pair of guide rails 11 towards the surface of upper side guide rail hold-down screw 111, and this pair of guide rails 11 is parallel, and along the length direction setting of base 1.Preferably, the shape of cross section of pair of guide rails 11 is swallow-tail form.Under base 1 use state towards under a side and be positioned at four bights and be respectively fixed with one for base 1 is soared in the base leg 12 of terrace.Applicant it should be noted that: if base leg 12 is replaced with to the roller with roller locking mechanism, should be considered as so technology contents category disclosed by the invention.
Provided the vertical maintaining body 2 of a pair of backboard, the vertical maintaining body 2 of this pair of backboard is with parallel state and not only can realize phase mutual exclusion and open but also can embody and be arranged on displacement in opposite directions in pair of guide rails 11, forms guideway with guide rail 11.
The vertical maintaining body 2 of above mentioned a pair of backboard respectively comprises adjusts under arm 21, backboard retention device 24 on retention device 22, column 23 and backboard, adjust arm 21 towards under a side and offering pair of guide rails mating groove 211 corresponding to the position of pair of guide rails 11, and pair of guide rails mating groove 211 is swallow tail shaped slot, so that the pair of guide rails 11 that is swallow-tail form with shape of cross section is well slidably matched.Adjust arm 21 towards on a side be fixed with a scale 213 with graduation mark (being dimension line).Adjust arm 21 and offer an adjustment arm fixing hole 212 away from the position of one end of column 23 adjusting on arm 21 and be positioned at, this adjustment arm fixing hole 212 is corresponding away from a guide rail of column 23 with the wherein guide rail in pair of guide rails 11, and is equipped with an adjustment arm fixing hole screw 2121 on adjustment arm fixing hole 212.When adjusting after the location positioning of arm 21 in pair of guide rails 11, adjustment arm 21 is being limited on guide rail corresponding to the position of adjusting arm fixing hole 212 by adjusting arm fixing hole screw 2121.Under backboard, retention device 22 matches towards one end of column 23 with adjustment arm 21, the lower end of column 23 is fixing with adjustment arm 21, and form right-angle relationship with adjustment arm 21, form the relation of L font, the upper end of column 23 offers column adjusting hole 231 with interval state, on backboard, retention device is being disposed on column 23 corresponding to the position of column adjusting hole 231, and corresponding to the top of retention device under backboard 22.
Under aforesaid backboard, retention device 22 comprises block 221 and once block hold-down screw 222, lower block 221 forms an adjustment arm mating cavity 2211, this adjustment arm mating cavity 2211 matches with aforesaid adjustment arm 21, and offer block fixing screw hole 2212 at lower block 221 towards a side of lower block hold-down screw 222, lower block hold-down screw 222 is screwing corresponding to the position of this lower block fixing screw hole 2212 on lower block 221, lower block 221 is controlled to the position after the adjustment of adjusting on arm 21.
On above mentioned backboard, retention device 24 comprises block 241, guide rod 242, guide rod transition attachment screw 243 and guide rod hold-down screw 244, on upper block 241, offer a foursquare guide rod mating holes 2411, and offer a guide rod fixing screw hole 2412 on the top of upper block 241, this guide rod fixing screw hole 2412 communicates with guide rod mating holes 2411.Shape of cross section is foursquare guide rod 242 and is placed in guide rod mating holes 2411 towards one end of upstop 241, and guide rod 242 is configured to horizontal boom end away from one end of upper block 241, and offer a transition attachment screw hole 2421 connecting from one end of guide rod 242 to the other end in the central authorities of the length direction of guide rod 242.Guide rod transition attachment screw 243 passes transition attachment screw hole 2421 and column adjusting hole 231 successively, and limits by screwing (threaded engagement) nut 2431 on guide rod transition attachment screw 243.Guide rod hold-down screw 244 screws and is threaded in shortly on guide rod fixing screw hole 2412, and is insinuated into that guide rod mating holes 2411 is interior to be limited guide rod 242.
In order to prevent that guide rod 242 from rotating in the interior appearance of guide rod mating holes 2411, therefore there is a guide rod seamed edge mating groove 24111 in the each formation in four bights of guide rod mating holes 2411, can stop guide rod 242 pivotables by this guide rod seamed edge mating groove 24111 with the coordinating of seamed edge of guide rod 242, and this guide rod seamed edge mating groove 24111 also can play guide effect when guide rod 242 is inserted to guide rod mating holes 2411.
In Fig. 1, applicant also shows the liquid crystal TV set backboard 3 being obtained by Sheet Metal Forming Technology, before being deflection metrology, its flatness is placed on the vertical maintaining body 2 of a pair of backboard of the present invention, specifically: retention device under backboard 22 is moved on adjustment arm 21, for example move to the 5 ㎝ places (this distance can be definite according to needing) apart from column 23, then by lower block hold-down screw 222, lower block 221 is fixing with adjustment arm 21.The mobile degree of lower block 221 is determined according to scale 213.On backboard, the upper block 241 of retention device 24 leaves rational distance equally and between column 23, so liquid crystal TV set backboard 3 is limited on the vertical maintaining body 2 of a pair of backboard by vertical state, and in freely vertical state, the vertical state of so-called freedom refers to that upper and lower block 241,221 do not clamp it, and only to its control, avoid body of one who has dropped dead by the roadside.Under this state, the degree of deflection of liquid crystal TV set backboard 3 can show naturally, just can predict degree of flexibility in the time detecting with ruler or the instrument that is similar to aforementioned CN103196355A structure, to grasp or to claim to control quality index.After measurement, got from the vertical maintaining body 2 of a pair of backboard.If the length of liquid crystal TV set backboard 3 and highly changing, so by adjusting that mobile in pair of guide rails 11 of arm 21 regulates and being met by the position adjustment in the column adjusting hole 231 of retention device 24 on column 23 on to backboard.
Claims (10)
1.
the clamp structure that a kind of liquid crystal TV set backboard roughness measurement is used, it is characterized in that comprising a base (1), under this base (1) use state towards a upper side surface and be fixed with pair of guide rails (11) along the length direction of base (1) with parallel state; The vertical maintaining body of a pair of backboard (2), the vertical maintaining body of this pair of backboard (2) is disposed in described pair of guide rails (11) movably with parallel state.
2.
the clamp structure that liquid crystal TV set backboard roughness measurement according to claim 1 is used, it is characterized in that the structure of described base (1) for cuboid, and be provided with base leg (12) towards a side of terrace under base (1) use state.
3.
the clamp structure that liquid crystal TV set backboard roughness measurement according to claim 1 is used, it is characterized in that the described vertical maintaining body of a pair of backboard (2) respectively comprises adjustment arm (21), retention device under backboard (22), retention device (24) on column (23) and backboard, adjusting arm (21) is slidably matched with described pair of guide rails (11), be fixed with a scale (213) at this adjustment arm (21) towards a upper side, retention device under backboard (22) matches towards one end of column (23) with adjustment arm (21), the lower end of column (23) is fixing with adjustment arm (21), and with the relation of adjusting arm (21) formation L font, the upper end of column (23) offers column adjusting hole (231) with interval state, retention device on backboard (24) is being disposed on column (23) corresponding to the position of column adjusting hole (231), and corresponding to the top of retention device (22) under described backboard.
4.
the clamp structure that liquid crystal TV set backboard roughness measurement according to claim 3 is used, it is characterized in that upper at described adjustment arm (21) and offer pair of guide rails mating groove (211) in the position of the pair of guide rails corresponding to described (11), pair of guide rails mating groove (211) is slidably matched with pair of guide rails (11).
5.
the clamp structure that liquid crystal TV set backboard roughness measurement according to claim 4 is used, the shape of cross section that it is characterized in that described pair of guide rails (11) is swallow-tail form, and described pair of guide rails mating groove (211) is swallow tail shaped slot.
6.
the clamp structure that liquid crystal TV set backboard roughness measurement according to claim 3 is used, it is characterized in that on described adjustment arm (21) and be positioned at adjustment arm (21) offering an adjustment arm fixing hole (212) away from the position of one end of described column (23), this adjustment arm fixing hole (212) is corresponding with the wherein guide rail in described pair of guide rails (11), and is equipped with an adjustment arm fixing hole screw (2121) adjusting on arm fixing hole (212).
7.
the clamp structure that liquid crystal TV set backboard roughness measurement according to claim 3 is used, it is characterized in that under described backboard, retention device (22) comprises lower block (221) and lower block hold-down screw (222), lower block (221) forms an adjustment arm mating cavity (2211), this adjustment arm mating cavity (2211) matches with described adjustment arm (21), and offer block fixing screw hole (2212) at lower block (221) towards a side of lower block hold-down screw (222), lower block hold-down screw (222) is screwing on lower block (221) corresponding to the position of lower block fixing screw hole (2212).
8.
the clamp structure that liquid crystal TV set backboard roughness measurement according to claim 3 is used, it is characterized in that on described backboard, retention device (24) comprises block (241), guide rod (242), guide rod transition attachment screw (243) and guide rod hold-down screw (244), on upper block (241), offer a guide rod mating holes (2411), and offer a guide rod fixing screw hole (2412) on the top of upper block (241), this guide rod fixing screw hole (2412) communicates with described guide rod mating holes (2411), guide rod (242) is placed in guide rod mating holes (2411) towards one end of upstop (241), and guide rod (242) is configured to horizontal boom end away from one end of upper block (241), and the central authorities at the length direction of guide rod (242) offer a transition attachment screw hole (2421), this transition attachment screw hole (2421) connects to the other end from one end of the length direction of guide rod (242), guide rod transition attachment screw (243) is successively through transition attachment screw hole (2421) and described column adjusting hole (231) and limited by the nut (2431) screwing on guide rod transition attachment screw (243), guide rod hold-down screw (244) screws at described guide rod fixing screw hole (2412) and in the guide rod mating holes (2411) above and described in being insinuated into, described guide rod (242) is limited.
9.
the clamp structure that liquid crystal TV set backboard roughness measurement according to claim 8 is used, is characterized in that described guide rod mating holes (2411) is square hole, and the shape of cross section of described guide rod (242) is square.
10.
the clamp structure that according to claim 8 or claim 9, liquid crystal TV set backboard roughness measurement used, is characterized in that having one for stoping guide rod (242) guide rod seamed edge mating groove (24111) rotationally in the each formation in four bights of described guide rod mating holes (2411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053019.2A CN103802050B (en) | 2014-02-17 | 2014-02-17 | The clamp structure of liquid crystal TV set backboard roughness measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410053019.2A CN103802050B (en) | 2014-02-17 | 2014-02-17 | The clamp structure of liquid crystal TV set backboard roughness measurement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103802050A true CN103802050A (en) | 2014-05-21 |
| CN103802050B CN103802050B (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410053019.2A Expired - Fee Related CN103802050B (en) | 2014-02-17 | 2014-02-17 | The clamp structure of liquid crystal TV set backboard roughness measurement |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203008A (en) * | 2015-09-23 | 2015-12-30 | 东南大学 | Method for detecting flatness of planar antennas and fast adjustable tool thereof |
| CN107032066A (en) * | 2017-05-09 | 2017-08-11 | 浙江硕和机器人科技有限公司 | A kind of guide plate flatness detecting device |
| CN109855571A (en) * | 2018-12-08 | 2019-06-07 | 东曹(上海)电子材料有限公司 | A kind of detection method and its device of FPD sputtering target material flatness |
| CN115284198A (en) * | 2022-10-08 | 2022-11-04 | 尼尔半导体(山东)有限公司 | Fixing device of semiconductor substrate |
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| CN203053396U (en) * | 2013-02-28 | 2013-07-10 | 佛山智强光电有限公司 | Flatness detection device for raw material of display backboard |
| CN203765497U (en) * | 2014-02-17 | 2014-08-13 | 金牌模具（常熟）有限公司 | Clamping device for measuring smoothness of LCD TV back plate |
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| JP2002195823A (en) * | 2000-12-26 | 2002-07-10 | Tosoh Quartz Corp | Flatness measuring device |
| CN2788970Y (en) * | 2005-04-29 | 2006-06-21 | 熊猫电子集团有限公司 | Vertical clamp for liquid crystal colour TV production line |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105203008A (en) * | 2015-09-23 | 2015-12-30 | 东南大学 | Method for detecting flatness of planar antennas and fast adjustable tool thereof |
| CN107032066A (en) * | 2017-05-09 | 2017-08-11 | 浙江硕和机器人科技有限公司 | A kind of guide plate flatness detecting device |
| CN107032066B (en) * | 2017-05-09 | 2022-10-04 | 浙江硕和机器人科技股份有限公司 | Guide plate flatness detection device |
| CN109855571A (en) * | 2018-12-08 | 2019-06-07 | 东曹(上海)电子材料有限公司 | A kind of detection method and its device of FPD sputtering target material flatness |
| CN115284198A (en) * | 2022-10-08 | 2022-11-04 | 尼尔半导体(山东)有限公司 | Fixing device of semiconductor substrate |
| CN115284198B (en) * | 2022-10-08 | 2023-01-17 | 尼尔半导体(山东)有限公司 | Fixing device of semiconductor substrate |
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| Publication number | Publication date |
|---|---|
| CN103802050B (en) | 2015-07-29 |
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