CN103386575B - Assembling positioning device for welding direct reading water meter photoelectric module mainboard and photoelectric board - Google Patents
Assembling positioning device for welding direct reading water meter photoelectric module mainboard and photoelectric board Download PDFInfo
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- CN103386575B CN103386575B CN201310331491.3A CN201310331491A CN103386575B CN 103386575 B CN103386575 B CN 103386575B CN 201310331491 A CN201310331491 A CN 201310331491A CN 103386575 B CN103386575 B CN 103386575B
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Abstract
The invention discloses an assembling positioning device for welding a direct reading water meter photoelectric module mainboard and a photoelectric board. The device comprises a base; a main positioning support and a support assembly are respectively fixed on two longitudinal ends of the upper face of the base; a press block is arranged inside the main positioning support; a guide rod assembly is arranged between the press block and the support assembly; the photoelectric board of the photoelectric module is assembled inside the main positioning support and is pressed by the press block; a positioning hole is formed in the photoelectric module mainboard; the mainboard is positioned at the upper face of the main positioning support, and is pressed and positioned by the press plate assembly; and the support assembly is connected with a transmission member for driving the guide rod assembly. The assembling positioning device for welding the direct reading water meter photoelectric module mainboard and the photoelectric board can simulate the positioning and assembling of the photoelectric module and a meter head mechanical device of the direct reading water meter, realizes the positioning and welding of the mainboard and the photoelectric board, and ensures that the welded photoelectric module can be well compatible with the meter head mechanical device of the direct reading water meter so as to realize the correct electro-mechanical transformation function. The assembling positioning device is high in finished product quality, suitable for large-batch production and high in production efficiency.
Description
Technical field
The present invention relates to a kind of assembling and positioning device welded for direct-reading water meter optical-electric module mainboard and electro-optical package.
Background technology
Direct-reading water meter is also known as " photo-electric direct-reading water meter ", and be that photoelectric technology and decoding reading technology are introduced in direct-reading water meter, direct-reading water meter is a kind of passive table, and its maximum feature does not need power supply at ordinary times, only just needs power supply in the moment of checking meter.Basic functional principle is the position adopting photoelectric method to read character wheel, the IR specifically photoelectric sensor got or the penetrative light of other tool, be irradiated to above character wheel, character wheel is printed on the light tank of optical encoding, read by the not isolabeling of character wheel light tank angle, separate and read these optical encodings, finally judge the size of numerical value.
And the correct water-meter reading base table reading that will realize direct-reading water meter must ensure good location and the assembling of electronic module and water meter mechanical structured member, because the optical-electric module of direct-reading water meter is generally made up of two parts: board unit and electro-optical package unit.Mainboard and electro-optical package are all the independent pcb board parts welding electronic device, must by a kind of mechanical device by mainboard and the accurate orientation assemble of electro-optical package good, and then part that both are welded as a whole, require that this mechanical device must be simulated the data-collection function that could realize direct-reading water meter copy reading meter reading with the location of direct-reading water meter mechanical structured member and assembling and successfully be realized.Electro-optical package and the mainboard of current optical-electric module adopt dongle configuration usually, need by the plastic cement structural member coordinated with it during welding, and can only be suitable for small lot operation, production efficiency is low, and product quality is difficult to ensure.
Summary of the invention
The object of the present invention is to provide a kind of device that the mainboard of direct-reading water meter optical-electric module and electro-optical package assembling can be made accurately to locate.
This assembling and positioning device welded for direct-reading water meter optical-electric module mainboard and electro-optical package provided by the invention, comprise base, the longitudinal two ends of upper surface of base are fixed with main positioning support and bracket component respectively, there is briquetting the inner side of main positioning support, guide rod assembly is had between briquetting and bracket component, the electro-optical package of optical-electric module is assemblied in the inner side of main positioning support by briquetting positioning compression, the mainboard of optical-electric module there is locating hole, mainboard is positioned at the upper surface of main positioning support, compresses location by Anchor plate kit; Bracket component is connected with the driving member driving guide rod assembly.
Described guide rod assembly comprises columniform guide rod, and there is the sheet plate along its axial centre its one end, and the center of sheet plate has the circular hole perpendicular to its thickness direction, the other end of guide rod to have the screw rod along its axial centre, and supporting on screw rod have corresponding nut.
Described bracket component comprises tetragonal mount pad, its upper surface longitudinally has two pieces of support plates be arranged in parallel, they are symmetrical about the longitudinal centre line of mount pad, there is cross through hole the outer end of support plate, inner upper surface has the guide rod installation sleeve for installing described guide rod, and the sheet plate end of guide rod is positioned at the outer end of guide rod installation sleeve through guide rod installation sleeve; Mount pad is fixed by bolt and described base.
Described driving member comprises handle and connecting rod, and handle is the steel plate of L shape, and all there are the installing hole along its thickness direction in the outer end of its horizontal sides and corner, the top rubber sleeve of its vertical edge; Handle with vertical edge upward, opening is connected between the outer end of described support plate outwardly, one end of connecting rod and corner's rivet clasp of handle, the sheet plate end rivet clasp of the other end and guide rod.
Described main positioning support comprises the frock main body of cuboid, its medial shaft is to being evenly equipped with five for placing the mounting groove of electro-optical package, perpendicular opening U-lag is outwardly arranged at the top of mounting groove, there is passive supporting plate the below of U-lag, the outside of mounting groove, there are the two positioning and guiding pins that are positioned at its both sides parallel with described guide rod the below of supporting plate, five pieces of electro-optical packages are placed in corresponding mounting groove respectively, the inner side of electro-optical package is by laterally running through the axle location of frock main body, outside is located by briquetting, supporting plate, positioning and guiding pin and axle and frock main body are interference fit, frock main body there is the locating hole corresponding to locating hole on mainboard, frock main body has the draw-in groove corresponding to supporting plate, the mounting-positioning holes corresponding with axle, underrun screw and the described base of frock main body are fixed.
Described briquetting is the cuboid mated with described frock body shape, the contact surface of itself and frock main body there is the evagination semi-cylindrical for compressing electro-optical package, there is the pilot hole corresponding with described positioning and guiding pin position the downside of evagination semi-cylindrical, the aperture of pilot hole is greater than the external diameter of positioning and guiding pin, is matched in clearance between briquetting and positioning and guiding pin; Briquetting upper semi-circle cylinder to side there being the screw corresponding with the screw rod end of described guide rod.
Described Anchor plate kit comprises pressing plate, alignment pin and screw of handle, alignment pin is positioned at the downside of pressing plate, its position is corresponding with the locating hole on mainboard, its outer end is concordant with the lower surface of pressing plate, screw of handle is positioned at the upper end of pressing plate, pressing plate has corresponding screw, screw of handle is for regulating the position of pressing plate and alignment pin to compress the mainboard of optical-electric module.
The lower end of described base has three overcoat rubber sleeves to play the feet of support and cushioning effect.
The operating principle of the whole device of the present invention is slider-rocker mechanism motion principle.Optical-electric module is made up of one piece of mainboard and five pieces of electro-optical packages, mainboard before welding and electro-optical package are all by the paster of monoblock on SMT automatic production line out, one monoblock pasting circuit board there are a lot of block mainboard or electro-optical package, need before weldering they to be separated one by one and could weld.Swinging handle after in five mounting grooves that electro-optical package is placed in main positioning support frock main body, guide rod can promote briquetting and advance and compress electro-optical package; Again mainboard is placed on the upper surface of frock main body, and pushes down fixing mainboard with Anchor plate kit, then carry out welding job.After having welded, reverse swinging handle makes briquetting retrogressing unclamp, and take off Anchor plate kit, the finished product optical-electric module welded just can take off a course of work easily.
In order to prevent the photoelectric tube electronic device on electro-optical package from being broken, frock main body offers U-lag.
To drop from mounting groove to prevent electro-optical package and break photoelectric tube, frock main body devises a draw-in groove, in draw-in groove, supporting plate is installed.In order to determine the relative position of electro-optical package and mainboard, devise locating hole to install axle, to locate the relative position of electro-optical package and mainboard; The upper surface of mainboard accommodating tool main body, frock main body has two locating holes, and the detent fit of locating hole and Anchor plate kit ensures the location of mainboard and fixes.Two positioning and guiding pins in frock main body and frock main body are interference fit, and briquetting and positioning and guiding pin are matched in clearance, and briquetting can be free to slide at positioning and guiding pin, are convenient to compress electro-optical package or unclamp the optical-electric module welded.
Anchor plate kit is for locating the mainboard with fixing optical-electric module, and its alignment pin and pressing plate are interference fit, installs or mention Anchor plate kit when screw of handle is for operating.
The electro-optical package of optical-electric module and mainboard are placed in side and the upper surface of frock main body by the present invention respectively, drive guide rod assembly by driving member, and guide rod assembly drives briquetting that electro-optical package is located, and make mainboard locate and assemble with electro-optical package by Anchor plate kit.Frock main body is arranged the mounting groove of electro-optical package, the locating hole in the alignment pin of Anchor plate kit and frock main body and the locating hole on mainboard assemble, and make the location of electro-optical package and mainboard all very accurate.The gauge outfit mechanical device of this device energy analog photoelectricity module and direct-reading water meter is located and assembling, realized the positioning welding of mainboard and electro-optical package by this device, ensure that the optical-electric module after welding can be well compatible to realize correct data-collection function with the gauge outfit mechanical device of direct-reading water meter.
This apparatus structure is simple, convenient to operation, and the orientation assemble of electro-optical package and mainboard is accurate, and the end product quality after welding is high, and can be suitable for and produce optical-electric module in enormous quantities, production efficiency is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is optical-electric module schematic diagram.
Fig. 4 is the structural representation of main positioning support in Fig. 1.
Fig. 5 is the structural representation of briquetting in Fig. 1.
Fig. 6 is the structural representation of Fig. 1 center platen assembly.
Fig. 7 is the structural representation of base in Fig. 1.
Fig. 8 is the structural representation of Fig. 1 medium-height trestle assembly.
Fig. 9 is the structural representation of guide rod assembly in Fig. 1.
Figure 10 is the structural representation of connecting rod in Fig. 1.
Figure 11 is the structural representation of handle in Fig. 1.
Detailed description of the invention
As shown in the figure, the welder of this optical-electric module provided by the invention, comprises base 1, main positioning support 2, bracket component 3, briquetting 4, guide rod assembly 5, Anchor plate kit 6.Main positioning support 2 and bracket component 3 are individually fixed in the longitudinal two ends, left and right of upper surface of base 1, and briquetting 4 is positioned at the inner side of main positioning support 2, and guide rod assembly 5 is between briquetting 4 and bracket component 3.The electro-optical package 81 of optical-electric module 8 is assemblied in the inner side of main positioning support 2 by briquetting 4 positioning compression, and the mainboard 82 of optical-electric module 8 is positioned at the upper surface of main positioning support 2, compresses location by Anchor plate kit 6; Bracket component 3 is connected with the driving member 7 driving guide rod assembly 5.
Base 1 comprises the upper flat plate 11, the middle plateform 12 and lower dull and stereotyped 13 that are welded in one successively, they are rectangular slab, lower dull and stereotyped 13 consistent with the width dimensions of upper flat plate 11, middle plateform 12 length that is less than upper flat plate consistent with the lower length of dull and stereotyped 13, two pieces of middle plateforms 12 are longitudinally placed in the lower both sides of dull and stereotyped 13, are welded in one end of upper flat plate 11 lower surface.
Main positioning support 2 comprises the frock main body 21 of cuboid, its medial shaft is to being evenly equipped with five for placing the mounting groove 211 of electro-optical package 81, there is opening on the top of mounting groove 211 outwardly perpendicular to the U-lag 212 of mounting groove, there is the supporting plate 22 of its supporting role the below of U-lag 212, there are two positioning and guiding pins 23 of positional symmetry in the outside of mounting groove 212, the below of supporting plate 22, five pieces of electro-optical packages 81 are placed in corresponding mounting groove 211 respectively, the inner side of electro-optical package 81 is located by the axle 24 laterally running through frock main body 21, and outside is located by briquetting 4.Supporting plate 22, positioning and guiding pin 23 and axle 24 and frock main body 21 are interference fit.
Briquetting 4 is the cuboid with frock main body 21 form fit, the contact surface of itself and frock main body 21 there is the evagination semi-cylindrical 41 for compressing electro-optical package 81, there is the pilot hole 42 corresponding with positioning and guiding pin 23 position the downside of evagination semi-cylindrical 41, and the aperture of pilot hole 22 is greater than the external diameter of positioning and guiding pin 23.Be matched in clearance between briquetting 4 and positioning and guiding pin 23, briquetting 4 can slide along guide positioning pin 23.
Guide rod assembly 5 comprises columniform guide rod 51, there is the sheet plate 52 along its axial centre its one end, the center of sheet plate 52 has the installing hole 521 perpendicular to its thickness direction, the other end of guide rod 51 to have the screw rod 53 along its axial centre, and supporting on screw rod 53 have corresponding nut 54.On briquetting 4, there is corresponding screw at corresponding screw rod 53 place, and screw rod 53 screws in this screw, and is locked by nut 54.
Bracket component 3 comprises tetragonal mount pad 31, its upper surface longitudinally has two pieces of support plates be arranged in parallel 32, they are symmetrical about the longitudinal centre line of mount pad 31, there is the cross through hole for connecting handle 71 outer end of support plate 32, inner upper surface has the guide rod installation sleeve 33 for installing guide rod 51, and sheet plate 52 end of guide rod 51 is positioned at the outer end of guide rod installation sleeve 33 through guide rod installation sleeve 33.Bracket component 3 can adopt cast member, and bottom surface fine finishining and the base 1 of mount pad 31 are bolted.
Driving member 7 comprises handle 7 and connecting rod 72, and handle 71 is the steel plate of L shape, and all there are the installing hole along its thickness direction in the outer end of its horizontal sides and corner, the top rubber sleeve 711 of its vertical edge; Handle 71 with vertical edge upward, opening is connected between the outer end of support plate 32 outwardly, one end of connecting rod 72 and corner's rivet clasp of handle 71, the sheet plate 52 end rivet clasp of the other end and guide rod 51.
Anchor plate kit 6 comprises pressing plate 61, alignment pin 62 and screw of handle 63, alignment pin 62 is positioned at locating hole 821 place on the corresponding mainboard 82 in downside of pressing plate 61, screw of handle 63 is positioned at the upper end of pressing plate 61, for regulating the position of pressing plate 61 and alignment pin 62 to compress the mainboard 82 of optical-electric module.
The mount pad 31 of the frock main body 21 of main positioning support 2, briquetting 4 and bracket component 3 is positioned on upper flat plate, and frock main body 21 and mount pad 31 are fixed on upper flat plate 11 respectively by screw and bolt assembly, upper flat plate 11 has corresponding oval hole and circular hole.The corresponding lateral mid-point of mount pad 31 end of lower surface of upper flat plate 11 and the both sides, outer end of lower dull and stereotyped 13 lower surfaces have the feet 14 that three are used as whole device.The rubber sleeve that feet 14 can adopt supporting screw overcoat to match makes, and rubber sleeve has cushioning effect.Four oval holes for installing fixed mounting 31 on upper flat plate 11 can adopt Milling Machining technique.
The mount pad 31 of bracket component 3, support plate 32 and guide rod installation sleeve 33 can adopt casting single piece, and the bottom precision-machined surface of mount pad 31 is processed four installing holes and is used for being connected with base 1 screw.
External cylindrical surface Milling Machining two half round cut can be shaped by the plate on chip 52 of guide rod 51.Connecting rod 72 can adopt punch forming.
When the present invention assembles, first by each parts: base 1, main positioning support 2, bracket component 3, guide rod assembly 5, Anchor plate kit 6 turn respectively and prepare, then by structure shown in Fig. 1 each parts are assembled and form whole device.
Operation principle of the present invention is as follows: swinging handle 71, handle drivening rod 72, connecting rod 72 drives guide rod 51 advance or retreat, because guide rod 51 and briquetting 4 assemble as a whole slide block part, thus drive briquetting advances, the latter retreats, and takes off optical-electric module after realizing the compression before optical-electric module welding and welding.
Specific works process is as follows: be first rotated counterclockwise handle 71, handle 71 drivening rod 72 shakes, guide rod 51 drives briquetting 4 movement outward that briquetting is separated with frock main body, then five electro-optical packages 81 to be contained in order in frock main body 21 in corresponding mounting groove, the inner side of electro-optical package 81 is located by axle, turn clockwise handle 71 again, makes briquetting 4 near frock main body 21, compressed outside electro-optical package 81 by the outer protruding cylinder surface 41 on it.In addition, the U-lag 212 in frock main body 21 can avoid the electronic devices and components on electro-optical package 81 to be broken, and electro-optical package 81 also has supporting plate 22 to support, thus ensures the accurate location of electro-optical package 81.Then mainboard 82 is placed in the upper surface of frock main body 21, and make that the electro-optical package installing hole on it is corresponding with corresponding electro-optical package position to be assembled, make the locating hole on mainboard 82 align to the corresponding locating hole 213 in frock main body 21 simultaneously, alignment pin 62 on Anchor plate kit 6 is inserted in above-mentioned two locating holes, then screw of handle 63 is screwed off certain distance, mainboard 82 is pressed in frock main body 21 and can carries out welding job.Being rotated counterclockwise handle 71 after welding is good makes briquetting 4 away from frock main body 21, to take off the optical-electric module 8 welded, completes a course of work.
Claims (8)
1. the assembling and positioning device welded for direct-reading water meter optical-electric module mainboard and electro-optical package, it is characterized in that: this welder comprises base, the longitudinal two ends of upper surface of base are fixed with main positioning support and bracket component respectively, there is briquetting the inner side of main positioning support, guide rod assembly is had between briquetting and bracket component, main positioning support comprises the frock main body of cuboid, its medial shaft is to being evenly equipped with five for placing the mounting groove of electro-optical package, five pieces of electro-optical packages are placed in corresponding mounting groove respectively, and outside is located by briquetting; Mainboard is positioned at the upper surface of frock main body, and frock main body has the locating hole corresponding to locating hole on mainboard, compresses location by Anchor plate kit; Bracket component is connected with the driving member driving guide rod assembly.
2. the assembling and positioning device welded for direct-reading water meter optical-electric module mainboard and electro-optical package according to claim 1, it is characterized in that: described guide rod assembly comprises columniform guide rod, there is the sheet plate along its axial centre its one end, there is the circular hole perpendicular to its thickness direction at the center of sheet plate, the other end of guide rod has the screw rod along its axial centre, and supporting on screw rod have corresponding nut.
3. the assembling and positioning device welded for direct-reading water meter optical-electric module mainboard and electro-optical package according to claim 2, it is characterized in that: described bracket component comprises tetragonal mount pad, its upper surface longitudinally has two pieces of support plates be arranged in parallel, they are symmetrical about the longitudinal centre line of mount pad, there is cross through hole the outer end of support plate, inner upper surface has the guide rod installation sleeve for installing described guide rod, and the sheet plate end of guide rod is positioned at the outer end of guide rod installation sleeve through guide rod installation sleeve; Mount pad is fixed by bolt and described base.
4. the assembling and positioning device welded for direct-reading water meter optical-electric module mainboard and electro-optical package according to claim 2, it is characterized in that: described driving member comprises handle and connecting rod, handle is the steel plate of L shape, all there are the installing hole along its thickness direction in the outer end of its horizontal sides and corner, the top rubber sleeve of its vertical edge; Handle with vertical edge upward, opening is connected between the outer end of described support plate outwardly, one end of connecting rod and corner's rivet clasp of handle, the sheet plate end rivet clasp of the other end and guide rod.
5. the assembling and positioning device welded for direct-reading water meter optical-electric module mainboard and electro-optical package according to claim 1, it is characterized in that: perpendicular opening U-lag is outwardly arranged at the top of described electro-optical package mounting groove, there is passive supporting plate the below of U-lag, there are the two positioning and guiding pins that are positioned at its both sides parallel with described guide rod in the outside of mounting groove, the below of supporting plate, the inner side of electro-optical package is by laterally running through the axle location of described frock main body, and supporting plate, positioning and guiding pin and axle and frock main body are interference fit; Frock main body has the draw-in groove corresponding to supporting plate, the mounting-positioning holes corresponding with axle, underrun screw and the described base of frock main body are fixed.
6. the assembling and positioning device welded for direct-reading water meter optical-electric module mainboard and electro-optical package according to claim 5, it is characterized in that: described briquetting is the cuboid mated with described frock body shape, the contact surface of itself and frock main body there is the evagination semi-cylindrical for compressing electro-optical package, there is the pilot hole corresponding with described positioning and guiding pin position the downside of evagination semi-cylindrical, the aperture of pilot hole is greater than the external diameter of positioning and guiding pin, is matched in clearance between briquetting and positioning and guiding pin; Briquetting upper semi-circle cylinder to side there being the screw corresponding with the screw rod end of described guide rod.
7. the assembling and positioning device welded for direct-reading water meter optical-electric module mainboard and electro-optical package according to claim 1, it is characterized in that: described Anchor plate kit comprises pressing plate, alignment pin and screw of handle, alignment pin is positioned at the downside of pressing plate, its position is corresponding with the locating hole on mainboard, its outer end is concordant with the lower surface of pressing plate, screw of handle is positioned at the upper end of pressing plate, pressing plate has corresponding screw, and screw of handle is for regulating the position of pressing plate and alignment pin to compress the mainboard of optical-electric module.
8. the assembling and positioning device welded for direct-reading water meter optical-electric module mainboard and electro-optical package according to claim 1, is characterized in that: the lower end of described base has three overcoat rubber sleeves to play the feet of support and cushioning effect.
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| CN201310331491.3A CN103386575B (en) | 2013-08-02 | 2013-08-02 | Assembling positioning device for welding direct reading water meter photoelectric module mainboard and photoelectric board |
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| CN201310331491.3A CN103386575B (en) | 2013-08-02 | 2013-08-02 | Assembling positioning device for welding direct reading water meter photoelectric module mainboard and photoelectric board |
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| CN103386575B true CN103386575B (en) | 2015-04-29 |
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| CN105290685B (en) * | 2015-12-02 | 2017-03-22 | 湖南威铭能源科技有限公司 | Welding tool for counter optical-electric module |
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| CN113084656A (en) * | 2021-03-29 | 2021-07-09 | 中车青岛四方机车车辆股份有限公司 | Part fixing device |
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