CN103802050B - The clamp structure of liquid crystal TV set backboard roughness measurement - Google Patents

The clamp structure of liquid crystal TV set backboard roughness measurement Download PDF

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Publication number
CN103802050B
CN103802050B CN201410053019.2A CN201410053019A CN103802050B CN 103802050 B CN103802050 B CN 103802050B CN 201410053019 A CN201410053019 A CN 201410053019A CN 103802050 B CN103802050 B CN 103802050B
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CN
China
Prior art keywords
backboard
guide rod
pair
adjustment arm
liquid crystal
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Expired - Fee Related
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CN201410053019.2A
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Chinese (zh)
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CN103802050A (en
Inventor
沈伟达
陆晓东
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Gold Mould (changshu) Co Ltd
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Gold Mould (changshu) Co Ltd
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Priority to CN201410053019.2A priority Critical patent/CN103802050B/en
Publication of CN103802050A publication Critical patent/CN103802050A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders

Abstract

A clamp structure for liquid crystal TV set backboard roughness measurement, belongs to technical field of tooling clamps.Comprise a base, under this base using state towards on the surface of side and the length direction along base is fixed with pair of guide rails with parallel state; A pair vertical maintaining body of backboard, the vertical maintaining body of this pair backboard is disposed in described pair of guide rails movably with parallel state.One of technique effect, can will await the liquid crystal TV set backboard control of detection flatness in free vertically state by a pair vertical maintaining body of backboard; Two, because one-piece construction is terse, thus easy to operate and quick; Because a pair vertical maintaining body of backboard is disposed in pair of guide rails movably, the request for utilization of the liquid crystal TV set backboard to inconsiderate specification thus can be met.

Description

The clamp structure of liquid crystal TV set backboard roughness measurement
Technical field
The invention belongs to technical field of tooling clamps, be specifically related to a kind of clamp structure of liquid crystal TV set backboard roughness measurement.
Background technology
Liquid crystal TV set backboard also claims display backplane, has to reduce electromagnetic signal interference, help heat radiation and make the effect of LCD TV stable for extended periods of time work.Along with the progress of technology, the size of liquid crystal TV set is gradually to maximization future development, and thus the size of liquid crystal TV set backboard also correspondingly keeps the large-scale development.So except requiring backboard Sheet Metal Forming Technology to improve constantly, also increasingly harsh to the requirement of the flatness of liquid crystal TV set backboard.Roughness measurement for the liquid crystal TV set backboard of small-sized specification and the small screen is usually comparatively convenient, consuming time short and can be completed separately by a people, but the roughness measurement for large-scale liquid crystal TV set backboard needs to be completed by multi-person synergy and consuming time longer usually, not only affect the human resources of detection efficiency, waste preciousness, and many people are engaged in the process of lifting fortune backboard once error can cause hidden danger.
The technical information about liquid crystal TV set backboard roughness measurement can be seen in disclosed Chinese patent literature, typically as Authorization Notice No. CN203053395U recommendation has " a kind of display backplane presswork flatness checking device ", although this patent formula can embody the technique effect that the 0008th section, its instructions is recorded, there is following shortcoming: one is complex structure; Two is owing to needing backboard to be placed in 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, when there is amount of deflection in liquid crystal TV set backboard, just inspection chi is produced and hinder, thus detect position, amount of deflection place (can see the 0016th section, instructions), thus in the testing process of reality, check that chi and amount of deflection position are collided, there is the anxiety undermining backboard and/or check chi.Patent of invention publication No. CN103196355A provides " a kind of backboard detection guiding ruler ", there is the simple strong point of structure, but, owing to testing liquid crystal TV set backboard to carry out under horizontally-arranged state, thus effectively amount of deflection can not be predicted, because by amount of deflection meeting temporary extinction (amount of deflection is covered) time horizontally-arranged for liquid crystal TV set backboard (industry custom title keeps flat), again because liquid crystal TV set backboard is vertical in a state of use, the effective ways therefore predicting its flatness should make it be in vertical state.So just relate to the technical matters how liquid crystal TV set backboard being reliably in vertical state, more particularly be suitable for liquid crystal TV set backboard to be effectively limited to before testing flatness terse, the easy to operate clamp structure of the structure of vertical state owing to lacking in prior art, thus puzzlement caused to the liquid crystal TV set backboard roughness measurement of liquid crystal TV set backboard particularly large gauge.
As is known in the industry, fixture uses for carrying out spacing to workpiece in the manufacture of certain product, measurement and/or subsequent handling process the special equipment reaching certain technological requirement, and usually demand fulfillment to workpiece manufacture, measure time without the requirement such as phenomenon, simple operation interfered.In addition, due to fixture, to have for certain workpiece exclusive, and therefore general degree is extremely low, often manufactured with the mode designed, designed of cutting the garment according to the figure by the production firm of workpiece (or claiming product).Just based on this factor, in patent and non-patent literature disclosed at present, be showed no all technology enlightenments solved the problem.The applicant has done positive and useful design for this reason, and has carried out simulation test in the testing laboratory of the applicant taking under secrecy provision, and result proves practicable.
Summary of the invention
Task of the present invention be to provide a kind of contribute to the liquid crystal TV set backboard awaiting detecting flatness to be limited to freely vertically state, be conducive to ensureing that structure is terse swift to operate and be of value to the clamp structure meeting the liquid crystal TV set backboard roughness measurement that liquid crystal TV set backboard change in size requires.
Task of the present invention has been come like this, a kind of clamp structure of liquid crystal TV set backboard roughness measurement, comprise a base, under this base using state towards on the surface of side and the length direction along base is fixed with pair of guide rails with parallel state; A pair vertical maintaining body of backboard, the vertical maintaining body of this pair backboard is disposed in described pair of guide rails movably with parallel state.
In a specific embodiment of the present invention, described base is the structure of cuboid, and under base using state, the side of terrace is provided with base leg.
In another specific embodiment of the present invention, the described vertical maintaining body of a pair backboard respectively comprises adjustment arm, retention device under backboard, retention device on column and backboard, adjustment arm and described pair of guide rails are slidably matched, this adjustment arm towards on 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 form the relation of L-shaped with adjustment arm, the upper end of column offers column adjusting hole with space state, the position that on backboard, retention device is corresponding to column adjusting hole is disposed on column, and the top of retention device under corresponding to described backboard.
In another specific embodiment of the present invention, described adjustment arm offers pair of guide rails mating groove in the position corresponding to described pair of guide rails, and 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, described adjustment arm is positioned at adjustment arm and offers an adjustment arm fixed orifice away from the position of one end of described column, this adjustment arm fixed orifice is corresponding with the wherein guide rail in described pair of guide rails, and is equipped with an adjustment arm fixed orifice screw on adjustment arm fixed orifice.
More of the present invention and in a specific embodiment, under described backboard, retention device comprises lower block and lower block gib screw, lower block is configured with 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 the side of lower block gib screw, the position that lower block gib screw is corresponding to lower block fixing screw hole screws on lower block.
In an of the present invention and then specific embodiment, on described backboard, retention device comprises block, guide rod, guide rod transition attachment screw and guide rod gib screw, upper block offers a guide rod mating holes, and a guide rod fixing screw hole is offered 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 offer a transition attachment screw hole in the central authorities of the length direction of guide rod, this transition attachment screw hole is through to the other end from one end of the length direction of guide rod, guide rod transition attachment screw is limited by the nut screwed on guide rod transition attachment screw through transition attachment screw hole and described column adjusting hole successively, guide rod gib screw to screw on described guide rod fixing screw hole and is insinuated in described guide rod mating holes and limits described guide rod.
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 in square.
In an again of the present invention and then specific embodiment, be respectively configured with one in four bights of described guide rod mating holes for stoping guide rod guide rod seamed edge mating groove rotationally.
One of technique effect of technical scheme provided by the invention, can will await the liquid crystal TV set backboard control of detection flatness in free vertically state by a pair vertical maintaining body of backboard; Two, because one-piece construction is terse, thus easy to operate and quick; Because a pair vertical maintaining body of backboard is disposed in pair of guide rails movably, the request for utilization of the liquid crystal TV set backboard to inconsiderate specification thus can be met.
Accompanying drawing explanation
Fig. 1 is embodiments of the invention structural drawing.
Embodiment
In order to enable the auditor of Patent Office especially the public clearly understand technical spirit of the present invention and beneficial effect, applicant will elaborate below by way of example, but be not all the restriction to the present invention program to the description of embodiment, any conceive according to the present invention done be only pro forma but not substantial equivalent transformation and all should be considered as technical scheme category of the present invention.
Refer to Fig. 1, give a base 1, this base 1 is the structure of cuboid, more particularly, base 1 is the shape of rectangular parallelepiped, under base 1 using state, (being using state shown in Fig. 1) is fixed with pair of guide rails 11 towards the surface guide rail gib screw 111 of upper side, and this pair of guide rails 11 is parallel, and arranges along the length direction of base 1.Preferably, the shape of cross section of pair of guide rails 11 is swallow-tail form.Under base 1 using state towards under side and be positioned at four bights and be respectively fixed with one and soar in the base leg 12 of terrace for making base 1.Applicant it should be noted that: if base leg 12 is replaced with the roller with roller locking mechanism, so should be considered as technology contents category disclosed by the invention.
Give a pair vertical maintaining body 2 of backboard, the vertical maintaining body of this pair backboard 2 is with parallel state and not only can realize phase mutual exclusion and open but also can embody and be arranged in pair of guide rails 11 in opposite directions with displacement, namely forms guideway with guide rail 11.
The vertical maintaining body 2 of above mentioned a pair backboard respectively comprises adjustment arm 21, retention device 24 on retention device 22, column 23 and backboard under backboard, adjustment arm 21 towards under side and offer 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 with shape of cross section being swallow-tail form is well slidably matched.Adjustment arm 21 towards on side be fixed with the scale 213 that has scale mark (i.e. dimension line).Adjustment arm 21 is positioned at adjustment arm 21 and offers an adjustment arm fixed orifice 212 away from the position of one end of column 23, this adjustment arm fixed orifice 212 is corresponding with the guide rail of a wherein guide rail namely away from column 23 in pair of guide rails 11, and is equipped with an adjustment arm fixed orifice screw 2121 on adjustment arm fixed orifice 212.After the adjustment position of arm 21 in pair of guide rails 11 is determined, adjustment arm 21 is limited on guide rail in the position corresponding to adjustment arm fixed orifice 212 by adjustment arm fixed orifice 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 fixed with adjustment arm 21, and form right-angle relationship with adjustment arm 21, namely the relation of L-shaped is formed, the upper end of column 23 offers column adjusting hole 231 with space state, on backboard, retention device is disposed on column 23 corresponding to the position of column adjusting hole 231, and the top of retention device 22 under corresponding to backboard.
Under aforesaid backboard, retention device 22 comprises block 221 and once block gib screw 222, lower block 221 is configured with 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 the side of lower block gib screw 222, the position that lower block gib screw 222 is corresponding to this lower block fixing screw hole 2212 screws on lower block 221, lower block 221 is controlled the position after the adjustment on adjustment arm 21.
On above mentioned backboard, retention device 24 comprises block 241, guide rod 242, guide rod transition attachment screw 243 and guide rod gib screw 244, upper block 241 offers 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.To be foursquare guide rod 242 be placed in guide rod mating holes 2411 towards one end of upstop 241 shape of cross section, and guide rod 242 is configured to horizontal boom end away from one end of upper block 241, and the central authorities of the length direction of guide rod 242 offer one from one end of guide rod 242 the through transition attachment screw hole 2421 to the other end.Guide rod transition attachment screw 243 successively through transition attachment screw hole 2421 and column adjusting hole 231, and limits by screwing (threaded engagement) nut 2431 on guide rod transition attachment screw 243.Guide rod gib screw 244 screws and is threaded in shortly on guide rod fixing screw hole 2412, and is insinuated in guide rod mating holes 2411 and limits guide rod 242.
Occur in guide rod mating holes 2411 to prevent guide rod 242 rotating, therefore a guide rod seamed edge mating groove 24111 is respectively configured with in four bights of guide rod mating holes 2411, can stop guide rod 242 pivotable 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 being inserted guide rod mating holes 2411.
In FIG, applicant also show the liquid crystal TV set backboard 3 obtained by Sheet Metal Forming Technology, be placed on the vertical maintaining body 2 of a pair backboard of the present invention before to its flatness and deflection metrology, specifically: retention device under backboard 22 is moved on adjustment arm 21, such as move to the 5 ㎝ places (this distance can according to needing to determine) apart from column 23, then by lower block gib screw 222 by lower block 221 with adjust arm 21 and fix.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 a pair vertical maintaining body 2 of backboard by vertical state, and be in freely vertical state, the vertical state of so-called freedom refers to that upper and lower block 241,221 is not clamped it, and only to its control, avoid body of one who has dropped dead by the roadside.In this condition, the deflection degree of liquid crystal TV set backboard 3 can show naturally, just can predict degree of flexibility, to grasp or to claim Mass Control index when detecting with ruler or the instrument that is similar to aforementioned CN103196355A structure.Got from a pair vertical maintaining body 2 of backboard after measurement.If the length of liquid crystal TV set backboard 3 and highly changing, so by regulate mobile in pair of guide rails 11 of adjustment arm 21 and by being met the position adjustment in the column adjusting hole 231 of retention device on backboard 24 on column 23.

Claims (9)

1. a kind of clamp structure of liquid crystal TV set backboard roughness measurement, it is characterized in that comprising a base (1), under this base (1) using state, be fixed with pair of guide rails (11) towards the surface of upper side and along the length direction of base (1) with parallel state, a pair vertical maintaining body of backboard (2), the vertical maintaining body of this pair backboard (2) is disposed in described pair of guide rails (11) with parallel state movably, the described vertical maintaining body of a pair backboard (2) respectively comprises adjustment arm (21), retention device (22) under backboard, retention device (24) on column (23) and backboard, adjustment arm (21) and described pair of guide rails (11) are slidably matched, a scale (213) is fixed with towards upper side at this adjustment arm (21), under backboard, retention device (22) matches towards one end of column (23) with adjustment arm (21), the lower end of column (23) is fixed with adjustment arm (21), and form the relation of L-shaped with adjustment arm (21), the upper end of column (23) offers column adjusting hole (231) with space state, the position that on backboard, retention device (24) is corresponding to column adjusting hole (231) is disposed on column (23), and the top of retention device (22) under corresponding to described backboard.
2. the clamp structure of liquid crystal TV set backboard roughness measurement according to claim 1, it is characterized in that the structure that described base (1) is cuboid, and under base (1) using state, the side of terrace is provided with base leg (12).
3. the clamp structure of liquid crystal TV set backboard roughness measurement according to claim 1, it is characterized in that going up at described adjustment arm (21) and offering pair of guide rails mating groove (211) in the position corresponding to described pair of guide rails (11), pair of guide rails mating groove (211) and pair of guide rails (11) are slidably matched.
4. the clamp structure of liquid crystal TV set backboard roughness measurement according to claim 3, 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.
5. the clamp structure of liquid crystal TV set backboard roughness measurement according to claim 1, it is characterized in that at described adjustment arm (21) upper and be positioned at adjustment arm (21) and offer an adjustment arm fixed orifice (212) away from the position of one end of described column (23), this adjustment arm fixed orifice (212) is corresponding with the wherein guide rail in described pair of guide rails (11), and is equipped with adjustment arm fixed orifice screw (2121) in adjustment arm fixed orifice (212).
6. the clamp structure of liquid crystal TV set backboard roughness measurement according to claim 1, under it is characterized in that described backboard, retention device (22) comprises lower block (221) and lower block gib screw (222), lower block (221) is configured with 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 the side of lower block gib screw (222), the position that lower block gib screw (222) is corresponding to lower block fixing screw hole (2212) screws on lower block (221).
7. the clamp structure of liquid crystal TV set backboard roughness measurement according to claim 1, 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 gib screw (244), upper block (241) offers a guide rod mating holes (2411), and a guide rod fixing screw hole (2412) is offered 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 offer a transition attachment screw hole (2421) in the central authorities of the length direction of guide rod (242), this transition attachment screw hole (2421) is through to the other end from one end of the length direction of guide rod (242), guide rod transition attachment screw (243) is limited by the nut (2431) screwed on guide rod transition attachment screw (243) through transition attachment screw hole (2421) and described column adjusting hole (231) successively, guide rod gib screw (244) screws at described guide rod fixing screw hole (2412) upper and be insinuated in described guide rod mating holes (2411) and limit described guide rod (242).
8. the clamp structure of liquid crystal TV set backboard roughness measurement according to claim 7, 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 in square.
9. the clamp structure of the liquid crystal TV set backboard roughness measurement according to claim 7 or 8, is characterized in that respectively being configured with one in four bights of described guide rod mating holes (2411) for stoping guide rod (242) guide rod seamed edge mating groove (24111) rotationally.
CN201410053019.2A 2014-02-17 2014-02-17 The clamp structure of liquid crystal TV set backboard roughness measurement Expired - Fee Related CN103802050B (en)

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CN105203008A (en) * 2015-09-23 2015-12-30 东南大学 Method for detecting flatness of planar antennas and fast adjustable tool thereof
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
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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JP2002195823A (en) * 2000-12-26 2002-07-10 Tosoh Quartz Corp Flatness measuring device
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CN203053395U (en) * 2013-02-28 2013-07-10 佛山智强光电有限公司 Flatness detection apparatus for display backboard presswork
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN1912542A (en) * 2005-08-08 2007-02-14 东芝机械株式会社 Double-side shape measuring device and method for substrate
CN102749064A (en) * 2012-06-19 2012-10-24 歌尔声学股份有限公司 Method and device for measuring backboard planeness of liquid crystal display device
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