CN105689269A - Screening mechanism for BGA solder balls - Google Patents
Screening mechanism for BGA solder balls Download PDFInfo
- Publication number
- CN105689269A CN105689269A CN201610120652.8A CN201610120652A CN105689269A CN 105689269 A CN105689269 A CN 105689269A CN 201610120652 A CN201610120652 A CN 201610120652A CN 105689269 A CN105689269 A CN 105689269A
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- Prior art keywords
- groove
- ball
- contact chip
- bracer
- splicing
- Prior art date
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- 238000012216 screening Methods 0.000 title abstract description 13
- 229910000679 solder Inorganic materials 0.000 title abstract description 7
- 238000001179 sorption measurement Methods 0.000 claims abstract description 41
- 238000003825 pressing Methods 0.000 claims abstract description 11
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 77
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000002950 deficient Effects 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/04—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices according to size
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
- B07B13/16—Feed or discharge arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
- B07B13/18—Control
Abstract
The invention discloses a screening mechanism for BGA solder balls. The screening mechanism comprises a base plate which is provided with a box, a plurality of supporting blocks are molded in the box, a plurality of first 1/4 ball grooves are molded in the upper end face of one side face of each supporting block, and a first contact sheet is fixed to the inner wall of each first 1/4 ball groove; a connecting block corresponding to each supporting block is arranged at the position, on one side of the corresponding supporting block, of the base plate, a second 1/4 ball groove corresponding to each first 1/4 ball groove is molded in the side face, opposite to the corresponding supporting block, of the corresponding connecting block, and a second contact sheet is fixed to the inner wall of each second 1/4 ball groove; and a pressing-down unit is arranged on the upper end face of the box and comprises a vacuum adsorption plate matched with an opening in the top of the box, a pressing block fixedly arranged on the lower end face of the vacuum adsorption plate, a plurality of second semispherical grooves molded in the bottom end face of the pressing block and third contact sheets fixed to the inner walls of the second semispherical grooves. By means of the screening mechanism, the surface roundness of the BGA solder balls can be effectively detected, good and bad product screening is carried out, the working efficiency is improved, and the screening accuracy of the solder balls is guaranteed.
Description
Technical field:
The present invention relates to the technical field of BGA stannum ball equipment, be specifically related to a kind of sorting mechanism excellent or bad BGA stannum ball screened according to the surface roundness of BGA stannum ball。
Background technology:
BGA stannum ball is the pith of BGA welding, and automatic BGA stannum ball feed mainly has the cutting remelting method of forming and spray up moulding two kinds, and the former is the unit that the solder stick of different-diameter is cut into uniform quality, then carries out fusing balling-up in glycerol；Solder is placed in specific container (crucible) to melt by the latter, then inflates in crucible, increases the solder after pressure makes fusing and sprays from the specific aperture of crucible bottom, re-uses the higher-order of oscillation so as to balling-up。No matter it is adopt the cutting remelting method of forming or spray up moulding to be required for that the stannum ball formed is carried out surface roundness to detect row filter of going forward side by side, to ensure the quality of stannum ball。The method of the surface roundness of existing detection stannum ball judges typically by naked eyes, it is judged that time-consuming and accurate not, it is judged that being performed manually by after completing and pick, screening process wastes time and energy, inefficiency, and the quality of stannum ball also can not be guaranteed。
Summary of the invention:
The purpose of the present invention aims to solve the problem that prior art Problems existing, it is provided that a kind of simple and reliable for structure, can effectively detect the surface roundness of BAG stannum ball and carry out good and bad product screening, improving the sorting mechanism of the BGA stannum ball of the screening accuracy of work efficiency and guarantee stannum ball。
The present invention relates to the sorting mechanism of a kind of BGA stannum ball, including base plate, described base plate is provided with a casing, some bracers are formed in described casing, the upper surface of the one side of described bracer forms some one 1/4 ball grooves, the inwall of described one 1/4 ball groove is fixed with the first contact chip, a bracer side below one 1/4 ball groove forms the first arcuate groove of some vertical bars, the radian of described first arcuate groove is more than the radian of the one 1/4 ball groove, falling sphere pipe it is fixed with in first arcuate groove, a bracer side below first arcuate groove forms the first inserting groove of a horizontal stripe, a splicing groove it is hinged with in described first inserting groove, the base plate of described splicing groove side is provided with pulp-collecting box；
The base plate propping up bracer side is provided with contiguous block corresponding to a bracer, side relative with bracer on described contiguous block forms respectively with the one 1/4 ball groove, first arcuate groove and the 2nd 1/4 ball groove corresponding to the first inserting groove, second arcuate groove and the second inserting groove, the inwall of described 2nd 1/4 ball groove is fixed with the second contact chip, 2nd 1/4 ball groove and the one 1/4 ball groove form the first hemisphere groove, falling sphere pipe is arranged in the circular trough of the first arcuate groove and the second arcuate groove composition, splicing groove is arranged in the inserting groove of the first inserting groove and the second inserting groove composition and can rotate upwardly and downwardly in described inserting groove, contiguous block is fixed back to the side of a bracer and connects the piston rod driving cylinder；
The upper surface of described casing is provided with pressing unit, described pressing unit includes the vacuum adsorption plate that the open top with casing matches, be fixedly installed on the lower surface of described vacuum adsorption plate and with bracer and a contiguous block briquetting one to one, it is molded over the some second hemisphere grooves on the bottom face of described briquetting, the through hole being molded over described second hemisphere groove top and the 3rd contact chip being fixed on described second hemisphere groove inwall, the upper end of vacuum adsorption plate is fixedly connected on the piston rod of lower air cylinder, described second hemisphere groove and described first hemisphere groove jointly enclose and set formation one for housing the diameter of Spherical Volume of stannum ball, the through hole of each second hemisphere groove is respectively connected with single connecting tube, described single connecting tube is provided with check valve, single connecting tube is both connected in main connecting tube, described main connecting tube is connected with vacuum adsorption plate；
Described first contact chip, the second contact chip, the 3rd contact chip, driving cylinder are all connected with controller with check valve。
By technique scheme, the sorting mechanism of the present invention is when initial, a bracer in casing is in, with contiguous block, the state being close together, 2nd 1/4 ball groove and the one 1/4 ball groove together composition are for housing the first hemisphere groove of stannum ball, falling sphere pipe is positioned at the underface of the first hemisphere groove, and splicing groove is positioned at the lower section of falling sphere pipe；During work, first the vacuum adsorption plate of pressing unit is moved to Xi Qiuqu to be screened, open the adsorption function of vacuum adsorption plate and make the individual event valve on single connecting tube be in opening, start and press vacuum adsorption plate under lower air cylinder, vacuum adsorption plate is made to press close to stannum ball, stannum ball is picked up by the second hemisphere groove, on briquetting after the full stannum ball of absorption, vacuum adsorption plate is moved to the surface of casing again, it is again started up under lower air cylinder and presses vacuum adsorption plate, the lower surface of briquetting is offseted with the upper surface propping up bracer on casing, now, first hemisphere groove and described second hemisphere groove jointly enclose and set formation one diameter of Spherical Volume, stannum ball is covered by described diameter of Spherical Volume, after closing each check valve in vacuum adsorption plate, stannum ball is carried out the detection of surface roundness by (namely closing the adsorption function of vacuum adsorption plate), first contact chip, second contact chip and the 3rd contact chip are wrapped on the outer surface of stannum ball jointly, if the surface roundness of stannum ball meets the requirements, the then surface of stannum ball and the first contact chip, fit tightly between second contact chip and the 3rd contact chip, if the surface roundness of stannum ball is undesirable, the then surface of stannum ball and described first contact chip, small gap can be left between second contact chip and the 3rd contact chip, first contact chip, the situation of detection can be fed back to described controller by the second contact chip and the 3rd contact chip, the position not meeting the stannum ball that surface roundness requires recorded by controller, controller sends a signal to, according to the position of defective stannum ball, the check valve that the second hemisphere groove corresponding with defective stannum ball connects, partially unidirectional valve is made to reopen, after check valve is opened, underproof stannum ball is adsorbed again, piston rod up drive briquetting and the underproof stannum ball thereon of lower air cylinder leave casing, vacuum adsorption plate moves to underproof Xi Qiuqu with underproof stannum ball and puts down stannum ball afterwards；After vacuum adsorption plate adsorbs from casing and walks underproof stannum ball, qualified stannum ball is because self gravitation effect is stayed in the first hemisphere groove, driving cylinder to start drives contiguous block to separate with a bracer, then the 2nd 1/4 ball groove and the one 1/4 ball groove is made to separate, certified products stannum ball in first hemisphere groove falls in falling sphere pipe and drops on splicing groove along falling sphere pipe, splicing groove is hinged on the first inserting groove and can rotate upwardly and downwardly, and therefore the stannum ball on splicing groove slips in pulp-collecting box。
By such scheme, the present invention's is simple and reliable for structure, can effectively detect the surface roundness of BAG stannum ball and carry out good and bad product screening, improves work efficiency and ensure the screening accuracy of stannum ball。
One as such scheme is preferred, the middle part of described first inserting groove forms jointed shaft, described splicing groove is hinged on the first inserting groove by described jointed shaft, splicing trench bottom distance base plate certain distance, splicing groove is away from the piston rod connecting splicing cylinder fixing on the bottom surface, one end of pulp-collecting box, and described splicing cylinder is fixed on base plate。By such scheme, stannum ball can be regulated by splicing groove and splicing cylinder and fall into the speed of pulp-collecting box, when pulp-collecting box has more accommodation space, the piston rod of rising splicing cylinder can be passed through, splicing groove is tilted, so that stannum ball slips in pulp-collecting box rapidly around hinged axial pulp-collecting box；When pulp-collecting box is close to full load, it is necessary to when changing pulp-collecting box, stannum ball can be slowed down by the piston rod of decline splicing cylinder and fall into the speed of pulp-collecting box, easy to use。
As such scheme a kind of, preferably described first contact chip and the second contact chip are symmetrical arranged relative to the junction of a bracer and contiguous block, and the combination of the first contact chip and the second contact chip and the shape of the 3rd contact chip, size, thickness are all equal。
One as such scheme is preferred, and the quantity of described driving cylinder is two, and two drive on the back side that cylinders are fixed on an adjacent bracer, and two piston rods driving cylinders are fixedly connected on the two ends of contiguous block。
One as such scheme is preferred, the two ends, bottom surface of described contiguous block form two guide pads, forming the gathering sill corresponding with described guide pad on described base plate, described gathering sill is paralleled with the piston rod of described driving cylinder, and guide pad is plugged in gathering sill。By such scheme, pull contiguous block driving cylinder so as to when separating with a bracer, can be led in the position of contiguous block by the cooperation of guide pad and gathering sill。
One as such scheme is preferred, the edge of the top end face of described casing forms hole, multiple location, the bottom face of described vacuum adsorption plate forms the locating dowel corresponding with hole, described location。By such scheme, being disposed to of described locating dowel and hole, location is easy to pressing unit and can be pressure bonded on casing exactly。
One as such scheme is preferred, and described lower air cylinder is arranged in line slide rail。
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, and can be practiced according to the content of description, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after。
Accompanying drawing illustrates:
The following drawings is only intended to, in the present invention being schematically illustrated and explaining, not delimit the scope of the invention。Wherein:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the cross-sectional view of line A-A in Fig. 1；
Fig. 3 is the structure for amplifying schematic diagram at B place and C place in Fig. 2；
Fig. 4 is the working state schematic representation of splicing groove in the present invention；
Fig. 5 is another working state schematic representation of splicing groove in the present invention；
Fig. 6 is the working state schematic representation of the present invention；
Fig. 7 is another working state schematic representation of the present invention。
Detailed description of the invention:
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail。Following example are used for illustrating the present invention, but are not limited to the scope of the present invention。
Referring to Fig. 1 to Fig. 3, the sorting mechanism of a kind of BGA stannum ball of the present invention, including base plate 1, described base plate is provided with a casing 2, some bracers 3 are formed in described casing, the upper surface of the one side of described bracer forms some one 1/4 ball grooves 31, the inwall of described one 1/4 ball groove is fixed with the first contact chip 41, bracer 3 side below one 1/4 ball groove 31 forms the first arcuate groove 32 of some vertical bars, the radian of described first arcuate groove is more than the radian of the one 1/4 ball groove 31, it is fixed with falling sphere pipe 5 in first arcuate groove 32, bracer 3 side below first arcuate groove 32 forms the first inserting groove 33 of a horizontal stripe, a splicing groove 6 it is hinged with in described first inserting groove, the base plate 1 of described splicing groove side is provided with pulp-collecting box 7；
Referring to Fig. 2, the base plate 1 propping up bracer 3 side is provided with contiguous block 8 corresponding to a bracer 3, side relative with bracer 3 on described contiguous block 8 forms respectively with the one 1/4 ball groove 31, 2nd 1/4 ball groove 81 of the first arcuate groove 32 and the first inserting groove 33 correspondence, second arcuate groove 82 and the second inserting groove 83, the inwall of described 2nd 1/4 ball groove 81 is fixed with the second contact chip 42, 2nd 1/4 ball groove the 81 and the 1st ball groove 41 forms the first hemisphere groove 91, falling sphere pipe 5 is arranged in the circular trough of the first arcuate groove 32 and the second arcuate groove 82 composition, splicing groove 6 is arranged in the inserting groove of the first inserting groove 33 and the second inserting groove 83 composition and can rotate upwardly and downwardly in described inserting groove, contiguous block 8 is fixed back to the side of a bracer 3 and connects the piston rod driving cylinder 10, the quantity of described driving cylinder 10 is two, two drive on the back side that cylinder 10 is fixed on an adjacent bracer 3, two piston rods driving cylinder 10 are fixedly connected on the two ends of contiguous block 8, the two ends, bottom surface of described contiguous block 8 form two guide pads 81, described base plate 1 forms the gathering sill 11 corresponding with described guide pad 81, described gathering sill 11 is paralleled with the piston rod of described driving cylinder 10, guide pad 81 is plugged in gathering sill 11；
Referring to Fig. 1 to Fig. 3, Fig. 6, the upper surface of described casing 2 is provided with pressing unit 50, described pressing unit includes 50 vacuum adsorption plates 51 matched with the open top of casing 2, be fixedly installed on the lower surface of described vacuum adsorption plate and with bracer 3 and contiguous block 8 briquetting 52 one to one, it is molded over the some second hemisphere grooves 92 on the bottom face of described briquetting, the through hole 53 being molded over described second hemisphere groove top and the 3rd contact chip 43 being fixed on described second hemisphere groove inwall, the upper end of vacuum adsorption plate 51 is fixedly connected on the piston rod of lower air cylinder (not shown), described lower air cylinder is arranged in line slide rail (not shown), the edge of the top end face of described casing 2 forms hole, multiple location 21, the bottom face of vacuum adsorption plate 51 forms the locating dowel 511 corresponding with hole 21, described location, described second hemisphere groove 92 jointly encloses with described first hemisphere groove 91 and sets formation one for housing the diameter of Spherical Volume of stannum ball 100, the through hole 53 of each second hemisphere groove 92 is respectively connected with single connecting tube 54, described single connecting tube is provided with check valve 55, single connecting tube 54 is both connected in main connecting tube 56, described main connecting tube 56 is connected with vacuum adsorption plate 51；
In the present invention, described first contact chip the 41, second contact chip the 42, the 3rd contact chip 43, driving cylinder 10 are all connected with controller (not shown) with check valve 55。
Referring to Fig. 4, Fig. 5, the middle part of described first inserting groove 33 forms jointed shaft 34, described splicing groove 6 is hinged on the first inserting groove 33 by described jointed shaft 34, splicing groove 6 distance from bottom base plate 1 certain distance, splicing groove 6 is away from the piston rod connecting splicing cylinder 35 fixing on the bottom surface, one end of pulp-collecting box 7, and described splicing cylinder 35 is fixed on base plate 1。
Being symmetrical arranged relative to the junction of bracer 3 and contiguous block 8 referring to Fig. 2, Fig. 3, described first contact chip 41 and the second contact chip 42, the combination of the first contact chip 41 and the second contact chip 42 and the shape of the 3rd contact chip 43, size, thickness are all equal。
Operation principle:
The sorting mechanism of the present invention is when initial, a bracer 3 in casing 2 is in, with contiguous block 8, the state being close together, 2nd 1/4 ball groove 81 and the one 1/4 ball groove 31 and together with composition for housing the first hemisphere groove 91 of stannum ball 100, falling sphere pipe 5 is positioned at the underface of the first hemisphere groove 91, and splicing groove 6 is positioned at the lower section of falling sphere pipe 5；
Referring to Fig. 6, Fig. 7, during work, first the vacuum adsorption plate 51 of pressing unit 50 is moved to Xi Qiuqu to be screened, open the adsorption function of vacuum adsorption plate 51 and make the individual event valve 55 on single connecting tube 54 be in opening, start and press vacuum adsorption plate 51 under lower air cylinder, vacuum adsorption plate 51 is made to press close to stannum ball 100, stannum ball 100 is picked up by the second hemisphere groove 92, on briquetting 52 after the full stannum ball 100 of absorption, vacuum adsorption plate 51 is moved to the surface of casing 2 again, it is again started up under lower air cylinder and presses vacuum adsorption plate 51, the lower surface of briquetting 52 is offseted with the upper surface propping up bracer 3 on casing 2, now, first hemisphere groove 91 jointly encloses with described second hemisphere groove 92 and sets formation one diameter of Spherical Volume, stannum ball 100 is covered by described diameter of Spherical Volume, after closing each check valve 55 in vacuum adsorption plate 51, stannum ball 100 is carried out the detection of surface roundness by (i.e. the adsorption function of closedown vacuum adsorption plate 51), first contact chip 41, second contact chip 42 and the 3rd contact chip 43 are wrapped on the outer surface of stannum ball 100 jointly, if the surface roundness of stannum ball 100 meets the requirements, the then surface of stannum ball 100 and the first contact chip 41, fit tightly between second contact chip 42 and the 3rd contact chip 43, if the surface roundness of stannum ball 100 is undesirable, the then surface of stannum ball 100 and described first contact chip 41, small gap can be left between second contact chip 42 and the 3rd contact chip 43, first contact chip 41, the situation of detection can be fed back to described controller by the second contact chip 42 and the 3rd contact chip 43, the position not meeting the stannum ball 100 that surface roundness requires recorded by controller, controller sends a signal to, according to the position of defective stannum ball, the check valve 44 that the second hemisphere groove 92 corresponding with defective stannum ball connects, partially unidirectional valve 44 is made to reopen, after check valve 44 is opened, underproof stannum ball is adsorbed again, piston rod up drive briquetting 52 and the underproof stannum ball thereon of lower air cylinder leave casing 2, vacuum adsorption plate 51 moves to underproof Xi Qiuqu with underproof stannum ball and puts down stannum ball afterwards；
After vacuum adsorption plate 51 adsorbs from casing 2 and walks underproof stannum ball, qualified stannum ball is because self gravitation effect is stayed in the first hemisphere groove 91, driving cylinder 10 to start drives contiguous block 8 to separate with a bracer 3, then the 2nd 1/4 ball groove the 81 and the 1st ball groove 31 is made to separate, certified products stannum ball in first hemisphere groove 31 falls in falling sphere pipe 5 and drops on splicing groove 6 along falling sphere pipe, splicing groove 6 is hinged on the first inserting groove 33 and can rotate upwardly and downwardly, and therefore the stannum ball on splicing groove 6 slips in pulp-collecting box 7。
In sum, the present invention's is simple and reliable for structure, can effectively detect the surface roundness of BAG stannum ball and carry out good and bad product screening, improves work efficiency and ensure the screening accuracy of stannum ball。
The sorting mechanism of BGA stannum ball provided by the present invention; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within scope。Therefore, protection scope of the present invention should be as the criterion with described scope of the claims。
Claims (7)
1. a sorting mechanism for BGA stannum ball, including base plate (1), it is characterised in that:
Described base plate (1) is provided with a casing (2), some bracers (3) are formed in described casing, the upper surface of the one side of described bracer forms some one 1/4 ball grooves (31), the inwall of described one 1/4 ball groove is fixed with the first contact chip (41), bracer (3) side of the one 1/4 ball groove (31) lower section forms first arcuate groove (32) of some vertical bars, the radian of described first arcuate groove is more than the radian of the one 1/4 ball groove (31), falling sphere pipe (5) it is fixed with in first arcuate groove (32), bracer (3) side of the first arcuate groove (32) lower section forms first inserting groove (33) of a horizontal stripe, a splicing groove (6) it is hinged with in described first inserting groove, the base plate of described splicing groove side is provided with pulp-collecting box (7)；
The base plate (1) propping up bracer (3) side is provided with contiguous block (8) corresponding to a bracer (3), side relative with bracer (3) on described contiguous block forms respectively with the one 1/4 ball groove (31), 2nd 1/4 ball groove (81) of the first arcuate groove (32) and the first inserting groove (33) correspondence, second arcuate groove (82) and the second inserting groove (83), the inwall of described 2nd 1/4 ball groove (81) is fixed with the second contact chip (42), 2nd 1/4 ball groove (81) and the one 1/4 ball groove (31) form the first hemisphere groove (91), in the circular trough that falling sphere pipe (5) is arranged on the first arcuate groove (32) and the second arcuate groove (82) forms, in the inserting groove that splicing groove (6) is arranged on the first inserting groove (33) and the second inserting groove (83) forms and can rotate upwardly and downwardly in described inserting groove, on contiguous block (8), back to the side of a bracer (3), fixing connection drives the piston rod of cylinder (10)；
The upper surface of described casing (2) is provided with pressing unit (50), described pressing unit includes the vacuum adsorption plate (51) matched with the open top of casing (2), be fixedly installed on the lower surface of described vacuum adsorption plate and with bracer (3) and contiguous block (8) briquetting one to one (52), it is molded over the some second hemisphere grooves (92) on the bottom face of described briquetting, the through hole (53) being molded over described second hemisphere groove top and the 3rd contact chip (43) being fixed on described second hemisphere groove inwall, the upper end of vacuum adsorption plate (51) is fixedly connected on the piston rod of lower air cylinder, described second hemisphere groove (92) and described first hemisphere groove (91) jointly enclose and set formation one for housing the diameter of Spherical Volume of stannum ball (100), the through hole (53) of each second hemisphere groove (92) is respectively connected with single connecting tube (54), described single connecting tube is provided with check valve (55), single connecting tube (54) is both connected in main connecting tube (56), described main connecting tube is connected with vacuum adsorption plate (51)；
Described first contact chip (41), the second contact chip (42), the 3rd contact chip (43), driving cylinder (10) are all connected with controller with check valve (55)。
2. the sorting mechanism of BGA stannum ball according to claim 1, it is characterized in that: the middle part of described first inserting groove (33) forms jointed shaft (34), described splicing groove (6) is hinged on the first inserting groove (33) by described jointed shaft (34), splicing groove (6) distance from bottom base plate (1) certain distance, splicing groove (6) is away from the piston rod connecting splicing cylinder (35) fixing on the bottom surface, one end of pulp-collecting box (7), and described splicing cylinder (35) is fixed on base plate (1)。
3. the sorting mechanism of BGA stannum ball according to claim 1, it is characterized in that: described first contact chip (91) and the second contact chip (92) are symmetrical arranged relative to the junction of a bracer (3) and contiguous block (8), the combination of the first contact chip (41) and the second contact chip (42) and the shape of the 3rd contact chip (43), size, thickness are all equal。
4. the sorting mechanism of BGA stannum ball according to claim 1, it is characterized in that: the quantity of described driving cylinder (10) is two, two drive on the back side that cylinder is fixed on an adjacent bracer (3), and two piston rods driving cylinder (10) are fixedly connected on the two ends of contiguous block (8)。
5. the sorting mechanism of the BGA stannum ball according to claim 1 or 4, it is characterized in that: the two ends, bottom surface of described contiguous block (8) form two guide pads (81), described base plate (1) forms the gathering sill (11) corresponding with described guide pad (81), described gathering sill is paralleled with the piston rod of described driving cylinder (10), and guide pad (81) is plugged in gathering sill (11)。
6. the sorting mechanism of BGA stannum ball according to claim 1, it is characterized in that: the edge of the top end face of described casing (2) forms hole, multiple location (21), the bottom face of described vacuum adsorption plate (51) forms the locating dowel (511) corresponding with hole, described location (21)。
7. the sorting mechanism of BGA stannum ball according to claim 1, it is characterised in that: described lower air cylinder is arranged in line slide rail。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065464.9A CN108273746B (en) | 2016-03-03 | 2016-03-03 | Working method of BGA solder ball screening mechanism |
| CN201610120652.8A CN105689269B (en) | 2016-03-03 | 2016-03-03 | A kind of sorting mechanism of BGA tin ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120652.8A CN105689269B (en) | 2016-03-03 | 2016-03-03 | A kind of sorting mechanism of BGA tin ball |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810065464.9A Division CN108273746B (en) | 2016-03-03 | 2016-03-03 | Working method of BGA solder ball screening mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN105689269A true CN105689269A (en) | 2016-06-22 |
| CN105689269B CN105689269B (en) | 2018-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810065464.9A Active CN108273746B (en) | 2016-03-03 | 2016-03-03 | Working method of BGA solder ball screening mechanism |
| CN201610120652.8A Active CN105689269B (en) | 2016-03-03 | 2016-03-03 | A kind of sorting mechanism of BGA tin ball |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810065464.9A Active CN108273746B (en) | 2016-03-03 | 2016-03-03 | Working method of BGA solder ball screening mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108217172A (en) * | 2016-12-12 | 2018-06-29 | 苏州市群友精密机械有限公司 | Feeding device |
| CN110274633A (en) * | 2019-07-18 | 2019-09-24 | 佛山科学技术学院 | A kind of detection device of workpiece ball |
| CN112845099A (en) * | 2021-03-09 | 2021-05-28 | 邵潇伟 | Circular workpiece screening device |
| CN113617684A (en) * | 2021-08-16 | 2021-11-09 | 广州海普电子材料科技有限公司 | BGA solder ball roundness detection method and equipment |
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| CN108217172A (en) * | 2016-12-12 | 2018-06-29 | 苏州市群友精密机械有限公司 | Feeding device |
| CN108217172B (en) * | 2016-12-12 | 2019-07-16 | 苏州市群友精密机械有限公司 | Feeding device |
| CN110274633A (en) * | 2019-07-18 | 2019-09-24 | 佛山科学技术学院 | A kind of detection device of workpiece ball |
| CN112845099A (en) * | 2021-03-09 | 2021-05-28 | 邵潇伟 | Circular workpiece screening device |
| CN113617684A (en) * | 2021-08-16 | 2021-11-09 | 广州海普电子材料科技有限公司 | BGA solder ball roundness detection method and equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108273746A (en) | 2018-07-13 |
| CN105689269B (en) | 2018-04-24 |
| CN108273746B (en) | 2020-12-08 |
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