CN218787898U - Camera parameter calibration tool jig - Google Patents

Camera parameter calibration tool jig Download PDF

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Publication number
CN218787898U
CN218787898U CN202222526162.1U CN202222526162U CN218787898U CN 218787898 U CN218787898 U CN 218787898U CN 202222526162 U CN202222526162 U CN 202222526162U CN 218787898 U CN218787898 U CN 218787898U
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China
Prior art keywords
block
detection
workpiece
assembly
clamping
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CN202222526162.1U
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Inventor
杨本全
张一凡
泮邵
徐一容
王思博
李宏博
李卫平
王卫东
王桃红
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Zhejiang Youyi Medical Equipment Co ltd
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Zhejiang Youyi Medical Equipment Co ltd
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Priority to CN202222526162.1U priority Critical patent/CN218787898U/en
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Abstract

The utility model relates to an optical detection equipment field especially relates to a parameter calibration frock tool makes a video recording. The method comprises the following steps: the clamping assembly is positioned on the base assembly, is suitable for clamping and fixing the workpiece to be detected and can drive the workpiece to be detected to move longitudinally/horizontally in a direction perpendicular to the detection direction; the positioning component is movably arranged on the base platform component and is suitable for moving relative to the clamping component/the workpiece to be detected and accurately adjusting the working distance required by parameter detection of the workpiece to be detected; the detection assembly comprises a plurality of detection modules which can be respectively and independently positioned on the positioning assembly, and the plurality of detection modules can respectively cooperate with the base station assembly, the clamping assembly and the positioning assembly to detect the parameters of the workpiece to be detected according to the parameters required to be detected of the workpiece to be detected. According to the scheme, the workpiece and the detection assembly are accurately adjusted to be located at the best detection position, so that the detection result of the parameters is more accurate, the production quality of the workpiece is improved, the workpiece is prevented from returning to a factory, and the efficiency is improved.

Description

Camera parameter calibration tool jig
Technical Field
The utility model relates to an optical detection equipment field especially relates to a parameter calibration frock tool makes a video recording.
Background
In the production process of electronic products, camera equipment is indispensable, and each parameter of a lens in the camera equipment directly influences the function and the practicability of the product.
Therefore, the existing lens needs to be subjected to parameter detection when being shipped from a factory.
Each parameter of current camera lens separately detects usually, and another set of frock is changed after detecting a performance from one set of frock and is detected other performance, and it is troublesome and easy to lead to the benchmark that detects at every turn and direction to have certain deviation like this to influence the precision of parameter.
A chinese patent publication No. CN112067552A discloses an optical lens inspection jig and an optical lens inspection system. The optical lens detection jig comprises a fixed sleeve, a sleeve and a detection assembly, wherein the fixed sleeve comprises a connecting end and a fixed end, and the connecting end is connected with the detection body; the sleeve is connected with the fixed end; the detection assembly is arranged in the sleeve, and the resolution plate, the optical filter and the target are sequentially arranged along the direction from the position close to the lens to be detected to the position far away from the lens to be detected, and the target can receive light of the light source to reflect images to the lens to be detected. The invention also provides an optical lens detection system adopting the optical lens detection jig. The DMD chip in the prior art is replaced by the resolution plate, the optical filter and the target which are arranged in the sleeve, so that the cost of the optical lens detection jig is reduced, the optical lens detection jig is simple in structure, convenient to install and convenient to detach and replace, meanwhile, the resolution plate, the optical filter and the target cannot be damaged during detachment and replacement, and the service life of the optical lens detection jig is prolonged.
Among the above-mentioned scheme, detection tool detection function is single, can only detect to single resolution ratio, when needs detect other parameter, need change another set of frock, has the inconvenience.
Moreover, when lenses with different sizes are detected, a set of tooling needs to be replaced to match the lenses, which is quite tedious.
In addition, above-mentioned structure is only established the camera lens simply cover wherein to during the manual installation, not having the reference standard, can't carrying out accurate regulation to the distance that the parameter detection required, because the camera lens belongs to precision instruments, consequently, this scheme leads to very easily that the detection structure deviation is big, influences the quality of producing.
Disclosure of Invention
In order to solve the problem, an object of the utility model is to provide a parameter calibration frock tool makes a video recording can carry out the parameter to the work piece and examine time measuring, can avoid waiting to detect work piece and each parameter detection of work piece need change different frock detection to different sizes because of the manual work in operation process to make the work piece location more accurate when detecting each parameter, detection distance is best.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the method comprises the following steps: the device comprises a base station assembly, a clamping assembly, a positioning assembly and a detection assembly; wherein:
the clamping assembly is positioned on the base assembly, is suitable for clamping and fixing the workpiece to be detected and can drive the workpiece to be detected to move longitudinally/horizontally relative to the positioning assembly along the direction perpendicular to the detection direction of the workpiece;
the positioning assembly and the clamping assembly are arranged at intervals along the workpiece detection direction, can be movably arranged on the base assembly, and are suitable for moving relative to the clamping assembly/the workpiece to be detected and accurately adjusting the working distance required by parameter detection of the workpiece to be detected;
the detection assembly comprises a plurality of detection modules which can be respectively and independently positioned on the positioning assembly, and the plurality of detection modules can be respectively matched with the base station assembly, the clamping assembly and the positioning assembly to detect the parameters of the workpiece to be detected according to the parameters required to be detected of the workpiece to be detected.
Among the above-mentioned technical scheme, a parameter calibration frock tool of making a video recording includes the base station subassembly, and assembles centre gripping subassembly, locating component on the base station subassembly, and installs the detection subassembly on locating component. The base station assembly is provided with a clamping assembly capable of clamping a workpiece to be detected, the clamping assembly can clamp the workpiece to enable the workpiece to move up and down and left and right in the direction perpendicular to the detection direction, the center position of the workpiece and the center of the detection assembly can be located at the optimal calibration position, at the moment, the detection assembly is fixed, and the clamping assembly clamps the workpiece to move. The positioning assembly and the detection assembly on the positioning assembly can movably adjust the distance between the workpiece and the detection assembly on the base station assembly, at the moment, the clamping assembly is fixed with the workpiece, the positioning assembly moves, and the distance between the workpiece and the detection assembly is adjusted to be the required detection working distance.
In the scheme, the positions of the workpiece and the detection assembly are respectively and accurately adjusted to enable the workpiece to be located at the best detection position, so that the detection result of the parameters is more accurate, the production quality of the workpiece is improved, the workpiece is prevented from returning to a factory, and the efficiency is improved.
In addition, the detection assembly on the positioning assembly comprises various detection modules, and various different detection modules can be installed on the set bit assembly in a replaceable manner, so that different parameters of a workpiece can be detected by one set of tool, the condition that other tools need to be replaced when the next parameter is detected after one set of tool detects one parameter is avoided, the detection efficiency is improved, other tools do not need to be developed, and the time and the production cost are further saved.
Preferably, the base assembly comprises a base seat, a guide rail and a sliding block; the base station base is provided with a mounting groove along the length direction, the lower end of the guide rail is fixedly embedded in the mounting groove, the sliding block is arranged on the upper part of the guide rail in a sliding manner, and the positioning assembly is arranged on the sliding block; a push rod is arranged at the side of the wide direction end of the slide block and extends along the length direction of the guide rail; and a limiting hole is formed in the base of the base station and is positioned at the side of the wide end of the mounting groove, and a limiting rod is inserted into the limiting hole and is positioned on the moving path of the ejector rod.
Among the above-mentioned technical scheme, be fixed with the guide rail on the base station base, set up the slider on the guide rail, and locating component sets up in the slider to realize that locating component can slide adjustment and the detection distance between the work piece on guide rail/base station base. And the limiting rod inserted in the limiting hole can abut against the ejector rod at the end part of the sliding block, so that the sliding block is limited to slide outwards and slide out of the guide rail continuously.
Preferably, the inner sides of the two lateral guide rails of the guide rail are recessed to form a plurality of inner recesses, an outer protrusion is formed between the inner recesses, the lower end of the slider is communicated with a butt joint groove along the length direction of the guide rail, and a plurality of protrusions and grooves are formed on the inner walls of the two sides of the butt joint groove and are respectively matched with the inner recesses and the outer protrusion in a fit mode. Among this technical scheme, the upper portion joint of guide rail is on the butt joint groove of slider, and has set up on the guide rail a plurality of indents and evaginations respectively with a plurality of indents and an evagination looks adaptation on the slider, not only can prevent effectively that the slider from breaking away from the guide rail to improve the slip precision of slider, made slider and set up positioning element on the slider more stable and fix a position more accurately when sliding.
As preferred, centre gripping subassembly sets up in the guide rail broadside both sides with spacing hole relatively, and the centre gripping subassembly includes: the clamping fixing seat is fixedly connected with the base of the base station, and the mounting surface of the clamping fixing seat is opposite to the guide rail; the workpiece to be detected is arranged above the sliding table fixing seat; the sliding table is characterized in that a first sliding block is arranged on the first sliding table and can move longitudinally relative to the clamping fixing base, the first sliding block is fixedly assembled with the sliding table fixing base, first scale marks are arranged on the side wall of the first sliding table, and a first indication line is arranged on the side wall of the first sliding block and corresponds to the first scale marks.
In the technical scheme, the clamping assembly is arranged right opposite to the guide rail and the positioning assembly, and the first sliding table can longitudinally move relative to the clamping fixing seat/positioning assembly, so that the longitudinal movement distance of the workpiece to be detected above is adjusted, and the workpiece to be detected moves in a fixed plane block. And, the lateral wall that is equipped with first scale mark on the first slip table and first sliding block is equipped with the regulation that the cooperation of first instruction line can more accurately adjust the longitudinal movement distance of slip table fixing base/work piece, realizes the accurate location of work piece position.
Here, the base of the base station is further provided with an installation groove at the edge of the installation groove, so that the clamping fixing seat of the clamping assembly is embedded in the bottom of the first sliding table.
Preferably, the clamping assembly further comprises: the second sliding table is fixed at the upper end of the sliding table fixing seat and transversely arranged, and the fixed clamping block is arranged on the second sliding table; a workpiece to be detected is positioned on the fixed clamping block; the last second sliding block that is equipped with of second slip table can centre gripping fixing base horizontal migration relatively, the second sliding block with fixed grip block fixed assembly, be equipped with the second scale mark on the lateral wall of second slip table, the lateral wall of second sliding block be equipped with the second indicate line with the second scale mark corresponds.
In the above technical solution, the second sliding table can move relative to the clamping fixing base/sliding table fixing base/positioning assembly, so as to realize adjustment of the horizontal left-right movement distance of the workpiece to be detected positioned thereon, and the second sliding table is in the same fixed plane block when moving at the longitudinal distance. And, the lateral wall that is equipped with second scale mark on the second slip table and second sliding block is equipped with the cooperation of second indicating line and can more accurate regulation fixed clamping block/work piece the level remove the regulation of moving the distance about, realizes the accurate location of work piece position.
Preferably, the upper end of the fixed clamping block is provided with a plurality of steps, one step is provided with an I-shaped groove, the clamping assembly further comprises a movable clamping block, the lower end of the movable clamping block is in an I-shaped shape and matched with the I-shaped groove, and the upper end of the movable clamping block is attached to the step; the side wall of the fixed clamping block is provided with a bolt hole communicated with the I-shaped groove, the movable clamping block is provided with a fastening hole corresponding to the bolt hole, and the bolt hole and the fastening hole are screwed into a screw rod to adjust the movable clamping block to move along the step relative to the fixed clamping block and clamp the workpiece to be detected on the step; the screw rod is sleeved with a spring, and when the movable clamping block and the fixed clamping block clamp the workpiece to be detected, the spring is in a compressed state.
Among the above-mentioned technical scheme, fixed grip block will wait to detect the work piece centre gripping with removing the grip block from both sides. The matching of the I-shaped groove on the fixed clamping block and the I-shaped lower end I-shaped on the movable clamping block can effectively prevent the movable clamping block from longitudinally disengaging, and the movable clamping block is more stable and has higher moving precision when moving relative to the fixed clamping block. In addition, the movable clamping block can be adjusted to move relative to the fixed clamping block by rotating the screw rod, so that various workpieces to be detected with different sizes can be clamped and matched, and the detection efficiency is improved. In addition, the spring is arranged and in a compression state, reaction force is applied to the screw, and the movable clamping block can tightly press the workpiece to be detected towards one side of the spring due to the fact that the screw is meshed with the movable clamping block.
As preferred, the spacing groove has all been seted up towards one side of determine module to removal grip block and fixed grip block, and the joint has the stopper on the spacing groove, the stopper is the L form, including installing the joint portion at the spacing inslot to and follow the laminating portion that spacing groove edge extended to the step, the inner of laminating portion can laminate and wait to detect the work piece and make its tip flush with the lateral wall that removes grip block/fixed grip block. In the technical scheme, the matching of the limiting groove and the limiting block can enable the end face of the workpiece to be detected to return to zero, the end face of the workpiece to be detected is flush with the end faces of the movable clamping block and the fixed clamping block, and the end face of the workpiece to be detected is located at the position of a zero scale mark when the relative distance between the positioning assembly and the workpiece to be detected is adjusted subsequently.
Preferably, the positioning assembly comprises: the detection fixing seat is arranged on the connecting block; a plurality of clamping blocks are constructed at the upper end of the connecting block along the sliding direction of the sliding block, and a plurality of clamping grooves are formed at the lower end of the detection fixing seat and are respectively in clamping fit with the clamping blocks;
a placing groove is formed in the detection fixing seat and faces the direction of the clamping assembly, a plurality of O-shaped holes are formed in the bottom surface of the placing groove and are spaced along the sliding direction of the sliding block, and a plurality of connecting holes are formed in the connecting block and are connected with the O-shaped holes in a matched mode;
the placing groove is provided with a first backlight plate in a laminating mode on one face of the placing groove facing the direction of the clamping assembly, and sliding grooves suitable for the detection modules are formed in the placing groove and located in front of two sides of the first backlight plate.
In the technical scheme, the clamping blocks on the connecting block are matched with the clamping grooves on the detection fixing seat, so that the detection fixing seat can be prevented from shifting left and right when moving; and the setting in O shape hole can be adjusted and is detected the moving distance that the fixing base was connected the piece along the relative connecting block of direction of detection to make and detect the working distance and have more accurate location selection in adjusting.
In addition, the first backlight plate is used for adjusting the backlight effect in the detection process; and the setting of spout not only can be convenient for detection module's card to go into, and can realize detection module's accurate location fast.
Preferably, the lower ends of the two sides of the detection fixing seat are respectively connected with a positioning block and a scale indication block, a third scale mark is arranged on the base of the base station along the length direction of the guide rail, the scale indication block is positioned above the third scale mark, and one end of the scale indication block, which faces the clamping assembly, is flush with the outer end of the sliding chute; the locating piece is L form, and the lower extreme is in the outside of base station base and offers and presses the hole, inserts retaining member back-up on pressing the hole and locks locating piece and base station base relatively in base station base lateral wall.
In this technical scheme, the third scale mark and the moving distance of the accurate positioning and positioning component of scale indication block cooperation, it needs to be explained here that the zero scale mark of the third scale mark flushes with the terminal surface of the movable clamping block and the fixed clamping block, and flushes with the terminal surface of the workpiece to be detected after the terminal surface returns to zero. And the cooperation of locating piece and retaining member can be with locating component positioning on the guide rail, prevents that locating component from removing at the relative guide rail of testing process, leads to appearing detection error.
Preferably, the detection module is one of a national standard resolution board detection module, a 0068 field angle detection module, a U.S. military standard resolution board detection module and an XY field angle detection module;
the national standard resolution board detection module comprises: the national standard resolution board base is matched with the sliding groove, and the national standard resolution board is arranged on the national standard resolution board base; the national standard resolution plate base is provided with two connected gear grooves, the two gear grooves are respectively provided with a transmission gear and a fixed gear which are meshed with each other, the upper end of the transmission gear extends out of the national standard resolution plate base, and a national standard resolution plate is embedded in the fixed gear; the transmission gear is shifted and drives the fixed gear and the national standard resolution board to rotate so as to realize the resolution detection of the workpiece to be detected;
the 0068 view angle detection module comprises: the 0068 field angle detection fixing seat is matched with the sliding groove, and a 0068 field angle measurement block is arranged on the 0068 field angle detection fixing seat; a holding tank is arranged on one side, facing the clamping assembly, of the 0068 field angle detection fixing seat, a second backlight plate is attached to one side, facing the clamping assembly, of the holding tank, and the 0068 field angle detection block is arranged in the holding tank and attached to the outer end face of the second backlight plate; the second backlight plate adjusts light to achieve the visual imaging effect of the 0068 view angle determination block, and is used for view angle function detection of the workpiece to be detected;
the US army mark resolution board detection module comprises: the device comprises a American military standard resolution board base matched with the sliding chute and an American military standard resolution board arranged on the American military standard resolution board base; the XY field angle detection module comprises: the XY view angle detection device comprises an XY view angle detection fixed block matched with the sliding chute and an XY view angle measurement block arranged on the XY view angle detection fixed block.
In the above technical scheme, the detection assembly includes four detection modules, which are a national standard resolution board detection module, a 0068 field angle detection module, a army standard resolution board detection module and an XY field angle detection module, respectively, so as to realize detection of the national standard resolution board, the army standard resolution board, the 0068 field angle of the workpiece to be detected and detection of the field angle in the horizontal and vertical directions.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a camera parameter calibration tooling fixture.
Fig. 2 is a schematic perspective view of another view angle of the camera parameter calibration tooling fixture.
Fig. 3 is a schematic perspective view of a base station.
Fig. 4 is a schematic view of the assembly of the guide rail and the slider.
Fig. 5 is a schematic perspective view of the clamping assembly.
Fig. 6 is a schematic perspective view of the clamping holder.
Fig. 7 is a schematic perspective view of the first sliding table.
Fig. 8 is a schematic perspective view of a sliding table fixing seat.
Fig. 9 is a schematic perspective view of a second slide table.
Fig. 10 is a perspective view of the fixed clamping block.
Fig. 11 is a schematic perspective view of the movable clamping block.
Fig. 12 is a schematic perspective view of a stopper.
Fig. 13 is a perspective view of the positioning assembly.
Fig. 14 is a schematic perspective view of the detection fixing base.
Fig. 15 is a schematic perspective view of the connecting block.
Fig. 16 is a schematic perspective view of the positioning block.
Fig. 17 is a schematic perspective view of a scale indication block.
Fig. 18 is a schematic perspective view of a national standard resolution board detection module.
Fig. 19 is a schematic perspective view of a base of a national standard resolution board.
Fig. 20 is a schematic perspective view of a 0068 viewing angle detection module.
Fig. 21 is a schematic perspective view of a 0068 viewing angle detection fixing base.
Fig. 22 is a schematic perspective view of a army standard resolution board detection module.
Fig. 23 is a schematic perspective view of the XY viewing angle detection module.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
A parameter calibration frock tool that makes a video recording as shown in fig. 1-23 includes: the device comprises a base station assembly, a clamping assembly, a positioning assembly and a detection assembly; wherein:
the clamping assembly is positioned on the base assembly, is suitable for clamping and fixing the workpiece to be detected and can drive the workpiece to be detected to move longitudinally/horizontally relative to the positioning assembly along the direction perpendicular to the detection direction of the workpiece;
the positioning component and the clamping component are arranged at intervals along the workpiece detection direction, can be movably arranged on the base platform component, and is suitable for moving relative to the clamping component/the workpiece to be detected and accurately adjusting to a working distance required by parameter detection of the workpiece to be detected;
the detection assembly comprises a plurality of detection modules which can be respectively and independently positioned on the positioning assembly, and the plurality of detection modules can be respectively matched with the base station assembly, the clamping assembly and the positioning assembly to detect the parameters of the workpiece to be detected according to the parameters required to be detected of the workpiece to be detected.
Among the above-mentioned technical scheme, a parameter calibration frock tool of making a video recording includes the base station subassembly, and assembles centre gripping subassembly, locating component on the base station subassembly, and installs the detection subassembly on locating component. The base station assembly is provided with a clamping assembly capable of clamping a workpiece to be detected, the clamping assembly can clamp the workpiece to enable the workpiece to move up and down and left and right in the direction perpendicular to the detection direction, the center position of the workpiece and the center of the detection assembly can be located at the optimal calibration position, at the moment, the detection assembly is fixed, and the clamping assembly clamps the workpiece to move. The positioning assembly and the detection assembly on the positioning assembly can movably adjust the distance between the workpiece and the detection assembly on the base station assembly, at the moment, the clamping assembly is fixed with the workpiece, the positioning assembly moves, and the distance between the workpiece and the detection assembly is adjusted to be the required detection working distance.
In the scheme, the positions of the workpiece and the detection assembly are respectively and accurately adjusted to enable the workpiece to be located at the best detection position, so that the detection result of the parameters is more accurate, the production quality of the workpiece is improved, the workpiece is prevented from returning to a factory, and the efficiency is improved.
In addition, the detection assembly on the positioning assembly comprises various detection modules, and various different detection modules can be installed on the set bit assembly in a replaceable manner, so that different parameters of a workpiece can be detected by one set of tool, the situation that other tools need to be replaced when the next parameter is detected after one set of tool is used for detecting one parameter is avoided, the detection efficiency is improved, other tools do not need to be developed, and the time and the production cost are further saved.
Further, the base platform assembly comprises a base platform base 1, a guide rail 2 and a sliding block 3; the base station base 1 is provided with a mounting groove 4 along the length direction, the lower end of the guide rail 2 is fixedly embedded in the mounting groove 4, the sliding block 3 is arranged on the upper part of the guide rail 2 in a sliding manner, and the positioning assembly is arranged on the sliding block 3; a push rod is arranged at the side of the wide direction of the slide block 3 and extends along the length direction of the guide rail 2; and a limiting hole 5 is formed in the base station base 1 and on the side of the width direction end of the mounting groove 4, and a limiting rod is inserted into the limiting hole 5 and is positioned on the moving path of the ejector rod.
Among the above-mentioned technical scheme, base station base 1 is last to be fixed with guide rail 2, has set up slider 3 on guide rail 2, and locating component sets up in slider 3 to realize that locating component can slide adjusting and the detection distance between the work piece on guide rail 2/base station base 1. And, the gag lever post of 3 tip of slider can be supported to the ejector pin of grafting gag lever post on the spacing hole 5 to the restriction slider continues to slide the roll-off guide rail 2 outside.
Further, the both sides of guide rail 2 are sunken to form a plurality of indents 6 to the inboard of guide rail 2, and are formed with evagination 7 between a plurality of indents 6, the lower extreme of slider 3 has link up along its guide rail 2's length direction and has seted up butt joint groove 8, butt joint groove 8's both sides inner wall is formed with a plurality of archs 9 and recess respectively with a plurality of indents 6 and evagination 7 laminating adaptation. In this technical scheme, guide rail 2's upper portion joint is on slider 3's butt joint groove, and has set up on the guide rail 2a plurality of indents and evaginations respectively with a plurality of indents and an evagination looks adaptation on the slider, not only can prevent effectively that the slider from breaking away from the guide rail to the slip precision of slider 3 has been improved, make slider 3 and the locating component who sets up on slider 3 more stable and fix a position more accurate when sliding.
Further, the centre gripping subassembly sets up in 2 broadside both sides of guide rail with spacing hole 5 relatively, and the centre gripping subassembly includes: a clamping fixed seat 10 which is fixedly connected with the base station base 1 and the installation surface 100 is arranged opposite to the guide rail 2, a first sliding table 11 which is longitudinally and fixedly arranged on the installation surface 100 of the clamping fixed seat 10, and a sliding table fixed seat 12 which is arranged on the first sliding table 11; the workpiece to be detected is arranged above the sliding table fixing seat 12; be equipped with first sliding block 13 on first slip table 11 and can centre gripping fixing base 10 longitudinal movement relatively, first sliding block 13 and slip table fixing base 12 fixed assembly, be equipped with first scale mark 200 on the lateral wall of first slip table 11, the lateral wall of first sliding block 13 be equipped with first instruction line with first scale mark 200 corresponds.
In the above technical solution, the clamping assembly is arranged opposite to the guide rail 2 and the positioning assembly, and the first sliding table 11 can move longitudinally relative to the clamping fixing seat 10/the positioning assembly, so as to adjust the longitudinal movement distance of the workpiece to be detected above, and move in a fixed plane block. And, the lateral wall that is equipped with first scale mark 200 on the first slip table 11 and first sliding block 13 is equipped with the regulation that the cooperation of first instruction line can more accurately adjust the longitudinal movement distance of slip table fixing base/work piece, realizes the accurate location of work piece position.
Here, the base table base 1 is further provided with a mounting groove at a side of the mounting groove, so that the clamping fixing seat of the clamping assembly is embedded in the bottom of the first sliding table 11.
Further, the clamping assembly further comprises: a second sliding table 14 which is fixed at the upper end of the sliding table fixing seat 12 and is transversely arranged, and a fixed clamping block 15 which is arranged on the second sliding table 14; a workpiece to be detected is positioned on the fixed clamping block 15; be equipped with second sliding block 16 on the second slip table 14 and can centre gripping fixing base 10 horizontal migration relatively, second sliding block 16 and fixed clamping block 15 fixed Assembly, be equipped with second scale mark 17 on the lateral wall of second slip table 14, the lateral wall of second sliding block 16 be equipped with the second indication line with second scale mark 17 corresponds.
In the above technical solution, the second sliding table 14 can move relative to the clamping fixing base 15/sliding table fixing base 12/positioning assembly, so as to realize the adjustment of the horizontal left-right movement distance of the workpiece to be detected positioned thereon, and the workpiece to be detected is in the same fixed plane block when moving with the above longitudinal distance. And, the lateral wall that is equipped with second scale mark 17 on the second slip table 14 and second sliding block 16 is equipped with the cooperation of second instruction line and can more accurate regulation fixed clamping block/the regulation of the horizontal distance of moving about of work piece, realizes the accurate location of work piece position.
Furthermore, a plurality of steps are constructed at the upper end of the fixed clamping block 15, an I-shaped groove 18 is formed in one step, the clamping assembly further comprises a movable clamping block 19, the lower end of the movable clamping block 19 is I-shaped and is matched with the I-shaped groove 18, and the upper end of the movable clamping block is attached to the step; the side wall of the fixed clamping block 15 is provided with a bolt hole 20 communicated with the I-shaped groove 18, the movable clamping block 19 is provided with a fastening hole 21 corresponding to the bolt hole 20, and the bolt hole 20 and the fastening hole 21 are screwed into a screw 22 to adjust the movable clamping block 19 to move along a step relative to the fixed clamping block 15 and clamp a workpiece to be detected on the step; the screw 22 is sleeved with a spring 23, and when the movable clamping block 19 and the fixed clamping block 15 clamp the workpiece to be detected, the spring 23 is in a compressed state.
In the above technical solution, the fixed clamping block 15 and the movable clamping block 19 clamp the workpiece to be detected from two sides. The matching of the I-shaped groove 18 on the fixed clamping block 15 and the I-shaped lower end I-shaped on the movable clamping block 19 not only can effectively prevent the movable clamping block 19 from being disengaged along the longitudinal direction, but also can be more stable and higher in moving precision when the movable clamping block 19 moves relative to the fixed clamping block 15. In addition, the movable clamping block 19 can be adjusted to move relative to the fixed clamping block 15 by rotating the screw rod, so that workpieces to be detected with different sizes can be clamped and matched, and the detection efficiency is improved. In addition, the spring is arranged and in a compression state, reaction force is applied to the screw rod, and the movable clamping block can tightly press the workpiece to be detected towards one side of the spring due to the fact that the screw rod is meshed with the movable clamping block.
Further, remove grip block 19 and fixed grip block 15 and all seted up spacing groove 24 on one side of detection subassembly, the joint has stopper 25 on the spacing groove 24, stopper 25 is the L form, including installing joint portion 26 in spacing groove 24 to and follow the laminating portion 27 of 24 marginal edge to step extensions in spacing groove, the inner of laminating portion 27 can laminate and wait to detect the work piece and make its tip flush with the lateral wall that removes grip block 19/fixed grip block 15. In the technical scheme, the matching of the limiting groove 24 and the limiting block 25 can enable the end face of the workpiece to be detected to return to zero, the end face of the workpiece to be detected is flush with the end faces of the movable clamping block 19 and the fixed clamping block 15, and when the relative distance between the positioning assembly and the workpiece to be detected is adjusted subsequently, the end face of the workpiece to be detected is located at the position of a zero scale mark.
Further, the positioning assembly comprises: a connecting block 28 fixedly connected with the sliding block 3, and a detection fixing seat 29 arranged on the connecting block 28;
a plurality of clamping blocks 30 are formed at the upper end of the connecting block 28 along the sliding direction of the sliding block 3, and a plurality of clamping grooves 31 are formed at the lower end of the detection fixing seat 29 and are respectively in clamping fit with the clamping blocks 30;
a placing groove 32 is formed in the detection fixing seat 29 and faces the clamping assembly, a plurality of O-shaped holes 33 are formed in the bottom surface of the placing groove 32 and spaced along the sliding direction of the sliding block 3, and a plurality of connecting holes 34 are formed in the connecting block 28 and are connected with the O-shaped holes 33 in a matched manner;
the placing groove 32 is provided with a first backlight plate 35 in a fitting manner on one surface facing the direction of the clamping assembly, and the placing groove 32 is provided with sliding grooves 36 in front of two sides of the first backlight plate 35 and suitable for the detection module to slide in.
In the above technical solution, the plurality of clamping blocks 30 on the connecting block are matched with the plurality of clamping grooves 31 on the detection fixing seat, so that the detection fixing seat 29 can be prevented from shifting left and right when moving; and the setting of O shape hole 33 can adjust the displacement distance that detects fixing base 29 relative connecting block 28 along the detection direction to make the work distance of detection have more accurate location on adjusting to select.
In addition, the first backlight plate 35 is used to adjust the backlight effect during the inspection; and the setting of spout 36 not only can be convenient for detection module's card to go into, and can realize detection module's accurate location fast.
Furthermore, the lower ends of the two sides of the detection fixing seat 29 are respectively connected with a positioning block 37 and a scale indication block 38, a third scale mark 39 is arranged on the base station base 1 and along the length direction of the guide rail 2, the scale indication block 38 is located above the third scale mark 39, and one end of the scale indication block 38 facing the clamping component is flush with the outer end of the sliding chute 36; the positioning block 37 is L-shaped, the lower end of the positioning block is positioned outside the base station base 1 and provided with a pressing hole 40, and a locking piece is inserted into the pressing hole 40 and props against the side wall of the base station base 1 to relatively lock the positioning block 37 and the base station base 1.
In this technical scheme, the third scale mark and the moving distance of the accurate positioning and positioning component of scale indication block cooperation, it needs to be explained here that the zero scale mark of the third scale mark flushes with the terminal surface of the movable clamping block and the fixed clamping block, and flushes with the terminal surface of the workpiece to be detected after the terminal surface returns to zero. And the cooperation of locating piece and retaining member can be with locating component positioning on the guide rail, prevents that locating component from removing at the relative guide rail of testing process, leads to appearing detection error.
Furthermore, the detection module is one of a national standard resolution board detection module, a 0068 field angle detection module, a U.S. military standard resolution board detection module and an XY field angle detection module;
the national standard resolution ratio board detection module comprises: a national standard resolution board base 41 adapted to the chute 36, and a national standard resolution board disposed on the national standard resolution board base 41; the national standard resolution board base 41 is provided with two connected gear grooves 42, the two gear grooves 42 are respectively provided with a transmission gear 43 and a fixed gear 44 which are meshed with each other, the upper end of the transmission gear 43 extends out of the national standard resolution board base 41, and the national standard resolution board is embedded in the fixed gear 44; the transmission gear 43 is shifted and the fixed gear 44 and the national standard resolution board are driven to rotate so as to realize the resolution detection of the workpiece to be detected;
the 0068 visual angle detection module comprises: a 0068 angle-of-view detection fixing base 29 matched with the chute 36, and a 0068 angle-of-view determination block 47 arranged on the 0068 angle-of-view detection fixing base 29; an accommodating groove 45 is formed in one side, facing the clamping assembly, of the 0068 angle-of-view detection fixing seat 29, a second backlight plate 46 is attached to one side, facing the clamping assembly, of the accommodating groove 45, and the 0068 angle-of-view measurement block 47 is arranged in the accommodating groove 45 and attached to the outer end face of the second backlight plate 46; the second backlight plate 46 adjusts light to achieve the visual imaging effect of the 0068 view angle determination block 47, and is used for view angle function detection of the workpiece to be detected;
the US army mark resolution board detection module comprises: a U.S. military standard resolution board base 48 matched with the sliding chute 36, and a U.S. military standard resolution board arranged on the U.S. military standard resolution board base 48; the XY field angle detection module comprises: an XY view angle detection fixed block 49 fitted to the chute 36, and an XY view angle measurement pattern block provided on the XY view angle detection fixed block 49.
In the technical scheme, the detection assembly comprises four detection modules, namely a national standard resolution board detection module, a 0068 field angle detection module, a army standard resolution board detection module and an XY field angle detection module, so that the national standard resolution board, the army standard resolution board, the 0068 field angle detection and the field angle detection in the transverse and vertical directions of the workpiece to be detected are realized, and the detection of various parameters in the same tool is realized.
In the embodiment, when the existing lens is used for detecting parameters, different tools are required to perform corresponding detection according to different parameters, the existing tool can only detect lenses with a single size correspondingly, the existing tool cannot be used for detecting lenses with various sizes, the lenses are arranged in the tool, the detection distance and the lens calibration position are locked relatively, and the detection error is increased under the condition that the adjustment cannot be performed.
According to the camera parameter calibration tool, the camera lens/workpiece can be accurately adjusted up, down, left and right in a plane perpendicular to the detection direction, the accurate linear detection working distance between the detection assembly and the camera lens/workpiece can be adjusted, the parameter detection accuracy is greatly increased, the qualified rate of the camera lens/workpiece is improved, and the enterprise capacity is improved.
In addition, the movable clamping block in the scheme can move relative to the fixed clamping block to clamp the lens/workpiece from two sides, so that the lens/workpiece can be adapted to the lens/workpiece with a larger size range, a fixing device does not need to be replaced in batch detection operation, and the detection time is greatly reduced.
Moreover, various detection modules can be independently assembled on the positioning assembly, and the detection requirements of different parameters can be met. It should be noted here that, if the detection requirements of other parameters are met, a base adapted to the sliding groove may be prepared, and the detection of the corresponding parameter may also be implemented when the corresponding detection component is disposed on the base.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the invention, and that those skilled in the art may make variations, modifications, substitutions and alterations herein without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a parameter calibration frock tool makes a video recording which characterized in that: the method comprises the following steps: the device comprises a base station assembly, a clamping assembly, a positioning assembly and a detection assembly; wherein:
the clamping component is positioned on the base platform component, is suitable for clamping and fixing the workpiece to be detected and can drive the workpiece to be detected to longitudinally/horizontally move relative to the positioning component along the direction vertical to the detection direction of the workpiece;
the positioning assembly and the clamping assembly are arranged at intervals along the workpiece detection direction, can be movably arranged on the base assembly, and are suitable for moving relative to the clamping assembly/the workpiece to be detected and accurately adjusting the working distance required by parameter detection of the workpiece to be detected;
the detection assembly comprises a plurality of detection modules which can be respectively and independently positioned on the positioning assembly, and the plurality of detection modules can respectively cooperate with the base station assembly, the clamping assembly and the positioning assembly to detect the parameters of the workpiece to be detected according to the parameters of the workpiece to be detected, which need to be detected.
2. The camera shooting parameter calibration tool jig according to claim 1, characterized in that: the base station component comprises a base station base (1), a guide rail (2) and a sliding block (3); the base station base (1) is provided with a mounting groove (4) along the length direction, the lower end of the guide rail (2) is fixedly embedded in the mounting groove (4), the sliding block (3) is arranged on the upper part of the guide rail (2) in a sliding manner, and the positioning assembly is arranged on the sliding block (3); a push rod is arranged at the side of the wide direction of the slide block (3) and extends along the length direction of the guide rail (2); the base station base (1) is provided with a limiting hole (5) on the side of the wide side of the mounting groove (4), and the limiting hole (5) is spliced with a limiting rod and is positioned on a moving path of the ejector rod.
3. The tool for calibrating the camera shooting parameters according to claim 2, characterized in that: the both sides of guide rail (2) are sunken to the inboard of guide rail (2) and are formed a plurality of indents (6), and are formed with evagination (7) between a plurality of indents (6), the lower extreme of slider (3) link up along the length direction of its guide rail (2) and has seted up butt joint groove (8), the both sides inner wall of butt joint groove (8) is formed with a plurality of archs (9) and recess respectively with a plurality of indents (6) and evagination (7) laminating adaptation.
4. The camera shooting parameter calibration tool jig according to claim 2, characterized in that: centre gripping subassembly sets up in guide rail (2) broadside both sides with spacing hole (5) relatively, and the centre gripping subassembly includes: the clamping fixing seat (10) is fixedly connected with the base station base (1), and the mounting surface (100) is arranged right opposite to the guide rail (2), the first sliding table (11) is longitudinally and fixedly arranged on the mounting surface (100) of the clamping fixing seat (10), and the sliding table fixing seat (12) is arranged on the first sliding table (11); the workpiece to be detected is arranged above the sliding table fixing seat (12); be equipped with first sliding block (13) on first slip table (11) and can centre gripping fixing base (10) longitudinal movement relatively, first sliding block (13) and slip table fixing base (12) fixed mounting, be equipped with first scale mark (200) on the lateral wall of first slip table (11), the lateral wall of first sliding block (13) be equipped with first instruction line with first scale mark (200) correspond.
5. The tool for calibrating the camera shooting parameters according to claim 4, characterized in that: the clamping assembly further comprises: a second sliding table (14) which is fixed at the upper end of the sliding table fixing seat (12) and is transversely arranged, and a fixed clamping block (15) which is arranged on the second sliding table (14); a workpiece to be detected is positioned on the fixed clamping block (15); be equipped with second sliding block (16) on second slip table (14) and centre gripping fixing base (10) horizontal migration relatively, second sliding block (16) and fixed clamping block (15) fixed mounting, be equipped with second scale mark (17) on the lateral wall of second slip table (14), the lateral wall of second sliding block (16) be equipped with the second indicate line with second scale mark (17) correspond.
6. The camera shooting parameter calibration tool jig according to claim 5, characterized in that: the upper end of the fixed clamping block (15) is provided with a plurality of steps, one step is provided with an I-shaped groove (18), the clamping assembly further comprises a movable clamping block (19), the lower end of the movable clamping block (19) is I-shaped and is matched with the I-shaped groove (18), and the upper end of the movable clamping block is attached to the step; the side wall of the fixed clamping block (15) is provided with a bolt hole (20) which is communicated with the I-shaped groove (18), the movable clamping block (19) is provided with a fastening hole (21) corresponding to the bolt hole (20), and the bolt hole (20) and the fastening hole (21) are screwed into a screw (22) so that the movable clamping block (19) can be adjusted to move along the step relative to the fixed clamping block (15) and clamp a workpiece to be detected on the step; the screw rod (22) is sleeved with a spring (23), and when the movable clamping block (19) and the fixed clamping block (15) clamp a workpiece to be detected, the spring (23) is in a compressed state.
7. The camera shooting parameter calibration tool jig according to claim 6, characterized in that: remove grip block (19) and fixed grip block (15) and all seted up spacing groove (24) on one side of detection subassembly, spacing groove (24) are gone up the joint and are had stopper (25), stopper (25) are the L form, including installing joint portion (26) in spacing groove (24) to and follow laminating portion (27) that spacing groove (24) edge extended to the step, the inner of laminating portion (27) can laminate and wait to detect the work piece and make its tip flush with the lateral wall that removes grip block (19)/fixed grip block (15).
8. The camera shooting parameter calibration tool jig according to claim 2, characterized in that: the positioning assembly comprises: the detection device comprises a connecting block (28) fixedly connected with the sliding block (3) and a detection fixed seat (29) arranged on the connecting block (28);
a plurality of clamping blocks (30) are constructed at the upper end of the connecting block (28) along the sliding direction of the sliding block (3), and a plurality of clamping grooves (31) are formed at the lower end of the detection fixing seat (29) and are respectively clamped and matched with the clamping blocks (30);
a placing groove (32) is formed in the detection fixing seat (29) and faces the clamping assembly, a plurality of O-shaped holes (33) are formed in the bottom surface of the placing groove (32) at intervals along the sliding direction of the sliding block (3), and a plurality of connecting holes (34) are formed in the connecting block (28) and are connected with the O-shaped holes (33) in a matched mode;
the clamp is characterized in that a first backlight plate (35) is attached to one surface of the placing groove (32) facing the direction of the clamping assembly, and sliding grooves (36) suitable for sliding in of the detection modules are formed in the placing groove (32) and in front of two sides of the first backlight plate (35).
9. The camera shooting parameter calibration tool jig of claim 8, characterized in that: the lower ends of two sides of the detection fixing seat (29) are respectively connected with a positioning block (37) and a scale indicating block (38), a third scale mark (39) is arranged on the base station base (1) along the length direction of the guide rail (2), the scale indicating block (38) is positioned above the third scale mark (39), and one end, facing the clamping assembly, of the scale indicating block (38) is flush with the outer end of the sliding chute (36); the positioning block (37) is L-shaped, the lower end of the positioning block is located on the outer side of the base station base (1) and provided with a pressing hole (40), and a locking piece is inserted into the pressing hole (40) to prop against the side wall of the base station base (1) so as to relatively lock the positioning block (37) and the base station base (1).
10. The tool for calibrating the camera shooting parameters according to claim 8, characterized in that: the detection module is one of a national standard resolution board detection module, a 0068 field angle detection module, a US military standard resolution board detection module and an XY field angle detection module;
the national standard resolution board detection module comprises: a national standard resolution board base (41) matched with the sliding chute (36), and a national standard resolution board arranged on the national standard resolution board base (41); the national standard resolution board base (41) is provided with two connected gear grooves (42), the two gear grooves (42) are respectively provided with a transmission gear (43) and a fixed gear (44) which are meshed with each other, the upper end of the transmission gear (43) extends out of the national standard resolution board base (41), and a national standard resolution board is embedded in the fixed gear (44); the transmission gear (43) is shifted and drives the fixed gear (44) and the national standard resolution board to rotate so as to realize the resolution detection of the workpiece to be detected;
the 0068 visual angle detection module comprises: a 0068 angle of view detection fixing seat (29) matched with the sliding groove (36), and a 0068 angle of view determination block (47) arranged on the 0068 angle of view detection fixing seat (29); an accommodating groove (45) is formed in one side, facing the clamping assembly, of the 0068 angle-of-view detection fixing seat (29), a second backlight plate (46) is attached to one surface, facing the clamping assembly, of the accommodating groove (45), and the 0068 angle-of-view measurement block (47) is arranged in the accommodating groove (45) and attached to the outer end face of the second backlight plate (46); the second backlight plate (46) adjusts lamplight to achieve the visual imaging effect of a 0068 view angle determination block (47), and is used for view angle function detection of a workpiece to be detected;
the US army mark resolution board detection module comprises: a American military standard resolution board base (48) matched with the sliding chute (36), and an American military standard resolution board arranged on the American military standard resolution board base (48); the XY field angle detection module comprises: an XY view angle detection fixed block (49) matched with the chute (36), and an XY view angle measurement block arranged on the XY view angle detection fixed block (49).
CN202222526162.1U 2022-09-23 2022-09-23 Camera parameter calibration tool jig Active CN218787898U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222526162.1U CN218787898U (en) 2022-09-23 2022-09-23 Camera parameter calibration tool jig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222526162.1U CN218787898U (en) 2022-09-23 2022-09-23 Camera parameter calibration tool jig

Publications (1)

Publication Number Publication Date
CN218787898U true CN218787898U (en) 2023-04-04

Family

ID=86501656

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222526162.1U Active CN218787898U (en) 2022-09-23 2022-09-23 Camera parameter calibration tool jig

Country Status (1)

Country Link
CN (1) CN218787898U (en)

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