CN113731820A - BGA tin ball classification and collection device - Google Patents
BGA tin ball classification and collection device Download PDFInfo
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- CN113731820A CN113731820A CN202111098896.8A CN202111098896A CN113731820A CN 113731820 A CN113731820 A CN 113731820A CN 202111098896 A CN202111098896 A CN 202111098896A CN 113731820 A CN113731820 A CN 113731820A
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- guide plate
- plate
- solder balls
- separation
- different
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910000679 solder Inorganic materials 0.000 claims abstract description 76
- 238000000926 separation method Methods 0.000 claims abstract description 74
- 239000002699 waste material Substances 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000009795 derivation Methods 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 12
- 230000001788 irregular Effects 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 9
- 238000012216 screening Methods 0.000 abstract description 9
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 10
- 239000005022 packaging material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
Images
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
- B07B15/00—Combinations of apparatus for separating solids from solids by dry methods applicable to bulk material, e.g. loose articles fit to be handled like bulk material
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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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- 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
- B07B13/10—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices using momentum effects
- B07B13/11—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices using momentum effects involving travel of particles over surfaces which separate by centrifugal force or by relative friction between particles and such surfaces, e.g. helical sorters
-
- 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
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention relates to a BGA tin ball classifying and collecting device. The invention designs a screen plate which is obliquely distributed with different apertures, and is used for primarily screening and separating solder balls, so that the solder balls with different diameters fall from different positions, the solder balls with similar diameters fall onto a flow guide separation plate from the same area, and the solder balls with different roundness have different rolling effects, so that the solder balls generate different rolling speeds on the flow guide separation plate, thereby firstly completing the separation of irregular solder balls in the flow guide separation plate, and the added vibration motor can ensure that the solder balls on the flow guide separation plate can smoothly roll off without causing retention and blockage, and then utilizing the solder balls with different diameters and poor roundness to roll off from a secondary guide plate with a rough surface and then fly out at different distances, further separating the solder balls with different roundness and diameters, finally falling to a collection container and then being classified and collected; the device utilizes the screen and the inclined plane drop for screening, and has better separation effect and higher efficiency through multi-stage separation.
Description
Technical Field
The invention relates to the technical field of solder ball classification, in particular to a BGA solder ball classification and collection device.
Background
The BGA solder ball is one of the main packaging materials used in the BGA/CSP process, which is related to the revolution of the chip packaging technology and the small, thin, light and high reliability of the current high-tech terminal products. In other words, all digital cameras, video cameras, notebook computers, mobile phones, automotive electronics, automotive satellite navigators, and the like do not depart from the BGA technology at present. At present, the most chip pins in the world can reach 2600, the metal pin pitch must have a proper pitch according to the electrical principle, and an excessively small pitch can cause short circuit, so that the excessive pin requirements according to the traditional process can inevitably cause large, heavy and thick adverse effects of a terminal product, and the BGA/CSP process is the only method for solving the problem at present. The BGA solder balls or solder balls are one of the main packaging materials used in BGA/CSP process.
The main indexes of the BGA solder balls comprise ball diameter, tolerance control, roundness, oxidation resistance and the like, screening is a main process related to the roundness rate of the solder balls in the whole process, however, most of BGA solder ball sorting devices are screen meshes or a plurality of inclined plane plates to carry out interval and fall connection structures at present. When a plurality of inclined plates are used for roundness screening, irregular solder balls are not completely separated, namely, part of elliptical balls and other irregular solder balls can be mixed in the qualified BGA solder balls, so that the problems that the screening efficiency is low, the effect is poor, the screening process cost is high and the like generally exist in the solder ball screening process.
Disclosure of Invention
In view of the problems in the prior art, the invention discloses a BGA tin ball classification and collection device, which adopts the technical scheme that the BGA tin ball classification and collection device comprises a main machine body, wherein a flow guide separation plate is rotatably and cooperatively installed in an inner cavity of the main machine body, the flow guide separation plate is integrally arranged in an inclined manner of being higher at the left end and lower at the right end, the flow guide separation plate comprises a first-stage flow guide plate at the left end and a second-stage flow guide plate at the right end, the first-stage flow guide plate and the second-stage flow guide plate are fixedly connected through a waste collecting tank, the waste collecting tank is fixedly connected to the lower surfaces of the first-stage flow guide plate and the second-stage flow guide plate, the plate surfaces of the first-stage flow guide plate and the second-stage flow guide plate are mutually parallel, the first-stage flow guide plate is higher than the second-stage flow guide plate, the middle part of the lower surface of the waste collecting tank is communicated and connected with a waste leading-out tank, two ends of two side surfaces of the first-stage flow guide plate and the second-stage flow guide plate are respectively and fixedly connected with sliding columns, the rotating shaft is arranged on the main machine body in a rotating fit manner, a pointer is fixedly connected to the rotating shaft on one side, the rotating shaft on the other side is fixedly connected to an output shaft of a servo motor, the servo motor is fixedly arranged on the main machine body, the pointer is positioned on the outer side of the main machine body, an arc-shaped chute is formed in the position, corresponding to the slide column, of the side wall of the main machine body, the arc-shaped circle center of the arc-shaped chute is collinear with the axis of the rotating shaft, the slide column is clamped in the arc-shaped chute in a sliding manner, an angle dial is formed in the position, corresponding to the pointer, of the outer side surface of the main machine body, a horizontal chute is formed in the side surface of the right end of the main machine body, a feeding box is fixedly connected to the main machine body above the left end of the flow guide separation plate, a drawer chute is fixedly connected to the inner side wall of the main machine body at the corresponding position below the waste guide separation plate, a horizontal sliding plate is provided with a horizontal sliding plate in a sliding fit manner, and at least one collecting device is fixedly connected to the horizontal sliding plate through bolts, the categorised collection drawer is installed to collection device below sliding fit on main engine body inner chamber bottom surface, sliding fit installs the waste product collection drawer in the drawer spout, one-level guide plate lower surface middle part fixed mounting has vibrating motor, install the controller on the main engine body lateral surface, the controller respectively with servo motor and vibrating motor electric connection, can make the waste product that stops on the water conservancy diversion separation panel break away from after opening vibrating motor, avoid it to cause and block, influence the roll separation of tin ball, and servo motor can regulate and control water conservancy diversion separation panel inclination, thereby the separation effect to the tin ball is adjusted to the adjustment.
As a preferred scheme of the invention, the upper surface of the first-stage guide plate is provided with the guide groove, the guide groove can be used for preventing the solder balls from deviating and inclining when rolling, and meanwhile, the irregular solder balls are not easy to roll, and the rolling speed of the irregular solder balls is reduced.
As a preferred scheme of the invention, the upper surface of the secondary guide plate is rough, a separation plate is fixedly connected at the upper left position of the secondary guide plate, the separation plate is in an inclined state relative to the left end surface of the secondary guide plate, the distance between the lower surface of one end of the separation plate close to the left end surface of the secondary guide plate and the upper surface of the secondary guide plate is smaller than the distance between the lower surface of the other end of the separation plate and the upper surface of the secondary guide plate, the distance between the lower surface of the separation plate and the upper surface of the secondary guide plate is uniformly changed, the right end surface of the secondary guide plate is an inclined end surface which is parallel to the separation plate, the solder balls with different diameters are separated from different gap widths when the separation plate rolls along the inclined surface of the separation plate by utilizing the gap between the separation plate and the upper surface of the secondary guide plate, thereby the function of separating the solder balls with different diameters can be played again, and the arranged inclined end surface ensures that the solder balls are separated from different positions to the separation plate in the process of rolling down the secondary guide plate, the falling height of the solder ball is consistent.
As a preferred scheme of the invention, the lower part of the inner cavity of the feeding box is fixedly connected with a material guide plate and a screen plate respectively, the material guide plate is positioned above the screen plate and is obliquely arranged, the screen plate and the material guide plate are also obliquely arranged in opposite oblique directions, the lower end of the material guide plate is provided with an opening, screen holes on the screen plate are divided into three areas, namely a small hole area, a middle hole area and a large hole area, the higher end of the screen plate is a small hole area, the middle area is a middle hole area, and the lower end of the screen plate is a large hole area, so that all solder balls fall onto the screen plate from the same end after being guided by the material guide plate and roll downwards, and then the solder balls sequentially pass through the small hole area, the middle hole area and the large hole area to finish the primary separation of the solder balls with different diameters.
According to a preferable scheme of the invention, the upper part of the collecting device is provided with a material receiving platform, the material receiving platform is divided into three areas through partition plates, the rear ends of the three areas are respectively communicated and connected with three collecting grooves, the lower ends of the collecting grooves are communicated and connected with guide pipes, the lower ports of the guide pipes are positioned above the classification collecting drawers and correspond to independent storage lattices on the classification collecting drawers one by one, the front ends of the material receiving platform are parallel to the inclined end faces, and the tin balls separated by the guide separating plates are collected through the collecting device and finally sent to the classification collecting drawers for storage.
As a preferable scheme of the invention, three collecting devices are installed on the horizontal sliding plate in a staggered mode and are arranged in a step shape, the collecting device positioned at the lowest layer is closest to the horizontal distance of the inclined end face, the collecting device positioned at the uppermost layer is farthest from the horizontal distance of the inclined end face, the collecting devices arranged in the step shape can collect the solder balls flying to different distances after being separated from the flow guide separation plate at one time, classified collection is completed synchronously, and the collecting efficiency is higher.
The invention has the beneficial effects that: the invention designs a screen plate which is obliquely distributed with different apertures, and is used for primarily screening and separating solder balls, so that the solder balls with different diameters fall from different positions, the solder balls with similar diameters fall onto a flow guide separation plate from the same area, and the solder balls with different roundness have different rolling effects, so that the solder balls generate different rolling speeds on the flow guide separation plate, thereby firstly completing the separation of irregular solder balls in the flow guide separation plate, and the added vibration motor can ensure that the solder balls on the flow guide separation plate can smoothly roll off without causing retention and blockage, and then utilizing the solder balls with different diameters and poor roundness to roll off from a secondary guide plate with a rough surface and then fly out at different distances, further separating the solder balls with different roundness and diameters, finally falling to a collection container and then being classified and collected; the device utilizes the screen and the slope drop for screening, effectively ensures the separation of irregular waste products and the separation of the solder balls with different diameters through multi-stage separation, and has better separation effect and higher efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a sectional view of the internal structure of the present invention;
FIG. 3 is a schematic view of a structure of a diversion separation plate according to the present invention;
FIG. 4 is a partial cross-sectional view of a portion of the separator plate of the present invention
FIG. 5 is a sectional view showing the internal structure of the feed box of the present invention;
FIG. 6 is a schematic view of a material collection portion of the present invention;
FIG. 7 is a schematic view of the structure of the collecting device of the present invention.
In the figure: the automatic feeding device comprises a main machine body 1, an arc chute 101, an angle dial 102, a horizontal chute 103, a drawer chute 104, a flow guide separation plate 2, a first-stage flow guide plate 201, a flow guide groove 2011, a waste collection groove 202, a second-stage flow guide plate 203, a separation plate 2031, an inclined end face 2032, a waste discharge groove 204, a sliding column 205, a rotating shaft 206, a pointer 207, a 3 feeding box, a 301 material guide plate, a 302 screen plate, a 4 horizontal sliding plate, a 5 collecting device, a 501 material receiving platform, a 502 collection groove, a 503 flow guide pipe, a 6 classification collection drawer, a 7 waste collection drawer, an 8 servo motor, a 9 controller and a 10 vibration motor.
Detailed Description
Example 1
As shown in fig. 1 to 7, the BGA solder ball sorting and collecting apparatus of the present invention adopts a technical scheme that the apparatus includes a main body 1, a flow guide separation plate 2 is rotatably installed in an inner cavity of the main body 1, the flow guide separation plate 2 is integrally arranged in a manner of being inclined from left to right, the flow guide separation plate 2 includes a first-stage guide plate 201 at a left end and a second-stage guide plate 203 at a right end, the first-stage guide plate 201 and the second-stage guide plate 203 are fixedly connected by a waste collection groove 202, the waste collection groove 202 is fixedly connected to lower surfaces of the first-stage guide plate 201 and the second-stage guide plate 203, the first-stage guide plate 201 and the second-stage guide plate 203 are parallel to each other and the first-stage guide plate 201 is higher than the second-stage guide plate 203, a waste collection groove 204 is connected to a middle portion of the lower surface of the waste collection groove 202, two ends of the first-stage guide plate 201 and the second-stage guide plate 203 are respectively fixedly connected to sliding columns 205, and two side surfaces of the waste collection groove 202 are fixedly connected to a rotating shaft 206, the rotating shaft 206 is installed on the main body 1 in a rotating fit manner, the pointer 207 is fixedly connected to the rotating shaft 206 on one side, the rotating shaft 206 on the other side is fixedly connected to an output shaft of the servo motor 8, the servo motor 8 is fixedly installed on the main body 1, the pointer 207 is positioned on the outer side of the main body 1, the guide groove 2011 is formed in the upper surface of the first-stage guide plate 201, the guide groove 2011 can prevent the solder balls from rolling and inclining, and meanwhile, irregular solder balls are not easy to roll, so that the rolling speed of the irregular solder balls is reduced, the upper surface of the second-stage guide plate 203 is rough, the upper left side position of the second-stage guide plate is fixedly connected with the separation plate 2031, the separation plate 2031 is in an inclined state relative to the left end surface of the second-stage guide plate 203, the distance between the lower surface of one end of the separation plate 2031 close to the left end surface of the second-stage guide plate 203 and the upper surface of the second-stage guide plate 203 is smaller than the distance between the lower surface of the other end of the separation plate 2031 and the upper surface of the second-stage guide plate 203, and the distance between the lower surface of the separation plate 2031 is uniformly changed, the right end face of the secondary guide plate 203 is an inclined end face 2032, the inclined end face 2032 is parallel to the separation plate 2031, the gap between the separation plate 2031 and the upper surface of the secondary guide plate 203 is utilized to make the solder balls with different diameters break away from the positions with different gap widths when the solder balls roll along the inclined surface of the separation plate 2031, thereby playing a role of separating the solder balls with different diameters again, the arranged inclined end face 2032 ensures that the solder balls break away from the separation plate 2031 from different positions and fall down to the secondary guide plate 203, the falling height of the solder balls is consistent, the arc chute 101 is arranged on the side wall of the main body 1 corresponding to the sliding column 205, the arc center of the arc chute 101 is collinear with the axis of the rotating shaft 206, the sliding column 205 is slidably clamped in the arc chute 101, the angle dial 102 is arranged on the outer side face of the main body 1 corresponding to the pointer 207, the horizontal chute 103 is arranged on the side face of the right end of the main body 1, the feeding box 3 is fixedly connected on the main body 1 above the left end of the flow guide separation plate 2, a drawer sliding groove 104 is fixedly connected to the inner side wall of the main body 1 at a corresponding position below the waste guide groove 204, and a horizontal sliding plate 4 is installed in the horizontal sliding groove 103 in a sliding fit manner.
Three collection device 5 are installed on horizontal sliding plate 4 in a staggered mode, three collection device 5 are arranged in a ladder-shaped mode, the upper portion of collection device 5 is a material receiving platform 501, material receiving platform 501 is divided into three regions through partition plates, the rear ends of the three regions are respectively connected with three collecting grooves 502 in a communicated mode, the lower ends of collecting grooves 502 are connected with a flow guide pipe 503 in a communicated mode, the lower end opening of the flow guide pipe 503 is located above a classified collection drawer 6 and corresponds to independent storage lattices on the classified collection drawer 6 one by one, the front end of material receiving platform 501 is parallel to an inclined end face 2032, solder balls separated through flow guide separation plates 2 are collected through collection device 5, and finally the solder balls are sent to the classified collection drawer 6 to be stored. The collecting device 5 located at the lowermost layer is closest to the horizontal distance of the inclined end surface 2032, the collecting device 5 located at the uppermost layer is farthest from the horizontal distance of the inclined end surface 2032, the collecting devices 5 arranged in a ladder shape can collect solder balls flying to different distances after being separated from the diversion separation plate 2 at one time, classified collection is completed synchronously, and the collecting efficiency is higher. Categorised collection drawer 6 is installed to 5 below collection device sliding fit on the main engine body 1 inner chamber bottom surface, sliding fit installs waste product collection drawer 7 in the drawer spout 104, fixed mounting has vibrating motor 10 in the middle part of the lower surface of one-level guide plate 201, install controller 9 on the main engine body 1 lateral surface, controller 9 respectively with servo motor 8 and vibrating motor 10 electric connection, can make the waste product that stops on the water conservancy diversion separation plate 2 break away from after opening vibrating motor 10, avoid it to cause and block, influence the roll separation of tin ball, and servo motor 8 can regulate and control water conservancy diversion separation plate 2 inclination, thereby the separation effect of adjustment to the tin ball.
The lower part of the inner cavity of the feeding box 3 is fixedly connected with a material guide plate 301 and a screen plate 302 respectively, the material guide plate 301 is positioned above the screen plate 302, the material guide plate 301 is obliquely arranged, the screen plate 302 and the material guide plate 301 are obliquely arranged in opposite directions, the lower end of the material guide plate 301 is open, screen holes on the screen plate 302 are divided into three areas, namely a small hole area, a middle hole area and a big hole area, the higher end of the screen plate 302 is the small hole area, the middle area is the middle hole area, the lower end of the screen plate is the big hole area, all solder balls are guided by the material guide plate 301 and then fall onto the screen plate 302 from the same end to roll downwards, and then the solder balls sequentially pass through the small hole area, the middle hole area and the big hole area, and the primary separation of the solder balls with different diameters is completed.
The working principle of the invention is as follows: the tin balls to be classified are poured into a feeding box 3, the tin balls fall onto a screen plate 302 from the same end under the guidance of a guide plate 301 and then roll downwards along an inclined surface, the tin balls sequentially pass through small holes, middle holes and large hole areas on the screen plate 302 in the rolling process, so that the tin balls with different diameters sequentially fall from small to large and directly fall onto a first-stage guide plate 201 to finish the primary separation of the tin balls with different diameters, the tin balls roll along the inclined surface after falling onto the first-stage guide plate 201, the falling speed of the tin balls with better roundness is high, the falling speed of irregular tin balls is low, when the tin balls move to the lower end of the first-stage guide plate 201, the tin balls with better roundness can fly through a waste collecting tank 202 and fall onto a second-stage guide plate 203, the irregular waste tin balls roll into a waste collecting tank 202 and finally fall into a waste collecting drawer 7, and the tin balls falling onto the second-stage guide plate 203 are blocked by a separating plate 2031, the gap between the separating plate 2031 and the upper surface of the secondary guiding plate 203 is utilized to separate the solder balls with different diameters from different gap widths when the solder balls roll along the inclined surface of the separating plate 2031, so that the solder balls with different diameters can be separated from different positions again, and the solder balls with different diameters can roll off from different positions, while the inclined end surface 2032 ensures that the solder balls have consistent falling height after separating from different positions to the separating plate 2031 and have larger resistance when the solder balls with different diameters roll off at the same height, so that the speed of separating from the secondary guiding plate 203 is smaller, the flying distance of the ball with relatively small flying distance is smaller, and the rolling speed of the solder ball with poor roundness is different from that of the solder ball with relatively good roundness, so that the solder balls with different diameters and different roundness can respectively and correspondingly fall on the receiving platform 501 with different positions, and finally enters the collecting groove 502 and is conveyed to corresponding collecting grids in the classifying and collecting drawer 6 through the guide pipe 503 for storage. The controller 9 is used for starting the vibration motor 10 to enable waste products staying on the diversion separation plate 2 to slide and separate, so that the waste products are prevented from blocking and affecting rolling separation of the solder balls, the servo motor 8 can regulate and control the inclination angle of the diversion separation plate 2 to enable the diversion separation plate 2 to rotate around the rotating shaft 206, the inclination angle of the diversion separation plate 2 can be determined by observing the position, appointed by the pointer 207, of the angle dial 102, and therefore the separation effect on the solder balls is adjusted; the horizontal sliding plate 4 can slide in the horizontal sliding groove 103, so that the horizontal distance from the collecting device 5 to the inclined end surface 2032 can be adjusted, and the collection of solder balls is ensured.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention, and further, the terms "first", "second", etc., are used only for descriptive purposes and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more of such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be communicated with each other, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art through specific situations.
Components and circuit connections not described in detail herein are prior art.
Although the present invention has been described in detail with reference to the specific embodiments, the present invention is not limited to the above embodiments, and various changes and modifications without inventive changes may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (8)
1. The utility model provides a BGA tin ball classification collection device which characterized in that: including the main engine body (1), normal running fit installs water conservancy diversion splitter plate (2) in main engine body (1) inner chamber, water conservancy diversion splitter plate (2) wholly is the slope of high right-hand member and lays, water conservancy diversion splitter plate (2) include one-level guide plate (201), the second grade guide plate (203) of right-hand member of left end, one-level guide plate (201) with through waste product collecting vat (202) fixed connection between second grade guide plate (203), waste product collecting vat (202) fixed connection be in one-level guide plate (201) with the lower surface of second grade guide plate (203), one-level guide plate (201) with the face of second grade guide plate (203) is parallel to each other just one-level guide plate (201) is higher than second grade guide plate (203), waste product collecting vat (202) lower surface middle part intercommunication is connected with waste product guide groove (204), one-level guide plate (201) with the both ends difference fixed connection of second grade guide plate (203) both sides face has The waste collecting tank is characterized by comprising a sliding column (205), rotating shafts (206) are fixedly connected to two side faces of the waste collecting tank (202), the rotating shafts (206) are installed on the main machine body (1) in a rotating fit mode, a pointer (207) is fixedly connected to the rotating shaft (206) on one side, the rotating shaft (206) on the other side is fixedly connected to an output shaft of a servo motor (8), the servo motor (8) is fixedly installed on the main machine body (1), the pointer (207) is located on the outer side of the main machine body (1), an arc-shaped sliding groove (101) is formed in the side wall of the main machine body (1) and corresponds to the sliding column (205), the sliding column (205) is clamped in the arc-shaped sliding groove (101) in a sliding mode, an angle dial (102) is formed in the outer side face of the main machine body (1) and corresponds to the pointer (207), a horizontal sliding groove (103) is formed in the side face of the right end of the main machine body (1), water conservancy diversion separation plate (2) left end top is in fixedly connected with feed box (3) on the host computer body (1), waste product derivation groove (204) below corresponds the position and is in fixedly connected with drawer spout (104) on the host computer body (1) inside wall, sliding fit installs horizontal slide (4) in horizontal spout (103), collection device (5) of being no less than one through bolt fixedly connected with on horizontal slide (4), collection device (5) below is in sliding fit installs categorised collection drawer (6) on the host computer body (1) inner chamber bottom surface, sliding fit installs waste product collection drawer (7) in drawer spout (104), one-level guide plate (201) lower surface middle part fixed mounting has vibrating motor (10), install controller (9) on the host computer body (1) lateral surface, controller (9) respectively with servo motor (8) with vibrating motor (10) electric connection .
2. The BGA solder ball sorting and collecting device of claim 1, wherein: the circle center of the arc surface of the arc-shaped sliding chute (101) is collinear with the axis of the rotating shaft (206).
3. The BGA solder ball sorting and collecting device of claim 1, wherein: a diversion trench (2011) is formed in the upper surface of the first-stage diversion plate (201).
4. The BGA solder ball sorting and collecting device of claim 1, wherein: the coarse and upper left side position fixedly connected with separation plate (2031) of second grade guide plate (203) upper surface, separation plate (2031) for the left end face of second grade guide plate (203) is the tilt state, separation plate (2031) are close to the one end lower surface of second grade guide plate (203) left end face with the interval of second grade guide plate (203) upper surface is less than separation plate (2031) other end lower surface with the interval of second grade guide plate (203) upper surface, just separation plate (2031) lower surface with the even change of interval of second grade guide plate (203) upper surface, second grade guide plate (203) right-hand member face is oblique terminal surface (2032), oblique terminal surface (2032) with separation plate (2031) is parallel.
5. The BGA solder ball sorting and collecting device of claim 1, wherein: the feeding box is characterized in that the lower portion of an inner cavity of the feeding box (3) is fixedly connected with a material guide plate (301) and a screen plate (302) respectively, the material guide plate (301) is located above the screen plate (302), the material guide plate (301) is obliquely arranged, the screen plate (302) and the material guide plate (301) are obliquely arranged in a mode that the oblique directions are opposite, and one lower end of the material guide plate (301) is opened.
6. The BGA solder ball sorting and collecting device of claim 5, wherein: the sieve mesh on the sieve plate (302) is divided into three areas, namely a small hole area, a middle hole area and a large hole area, the higher end of the sieve plate (302) is the small hole area, the middle area is the middle hole area, and the lower end is the large hole area.
7. The BGA solder ball sorting and collecting device of claim 4, wherein: collecting device (5) upper portion is for connecing material platform (501), connect material platform (501) to be divided into three regions and rear end through the baffle and communicate respectively and be connected with three collecting vat (502), collecting vat (502) lower extreme intercommunication is connected with honeycomb duct (503), the port is located under honeycomb duct (503) categorised collection drawer (6) top and with independent matter storage lattice one-to-one on categorised collection drawer (6), connect material platform (501) front end to be on a parallel with oblique terminal surface (2032).
8. The BGA solder ball sorting and collecting device of claim 7, wherein: install three on horizontal sliding plate (4) dislocation collection device (5), it is three collection device (5) are the echelonment and arrange, are located the lower floor collection device (5) distance the horizontal distance of oblique terminal surface (2032) is nearest, is located the superiors collection device (5) distance the horizontal distance of oblique terminal surface (2032) is farthest.
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