CN117373983A - Structure convenient for replacing suction nozzle - Google Patents
Structure convenient for replacing suction nozzle Download PDFInfo
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- CN117373983A CN117373983A CN202311331527.8A CN202311331527A CN117373983A CN 117373983 A CN117373983 A CN 117373983A CN 202311331527 A CN202311331527 A CN 202311331527A CN 117373983 A CN117373983 A CN 117373983A
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- 238000003860 storage Methods 0.000 claims abstract description 122
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/6838—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping with gripping and holding devices using a vacuum; Bernoulli devices
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Supply And Installment Of Electrical Components (AREA)
Abstract
The invention discloses a structure for conveniently replacing a suction nozzle, which comprises the following steps: the supporting plate is positioned below the mounting head of the die bonder; the first sliding rail is arranged on the supporting plate along the first direction, and a first sliding block is arranged in the first sliding rail in a sliding manner; the sliding table is connected with the first sliding block and synchronously slides in the first sliding rail along with the first sliding block; the driving mechanism is arranged on the supporting plate and used for driving the sliding table to slide along the first sliding rail; the suction nozzle warehouse storage table is arranged on the sliding table, wherein a plurality of storage tanks, suction nozzles detachably arranged in the storage tanks and a sensor for detecting whether the suction nozzles are placed in the storage tanks are arranged in the middle of the suction nozzle warehouse storage table. Through the mode, the structure convenient for replacing the suction nozzles is arranged in the processing space in the die bonder, the suction nozzle warehouse storage table stores a plurality of suction nozzles of different types, and the suction nozzles are connected with the suction nozzle fixing arms in a magnetic attraction mode, so that the suction nozzles can be replaced conveniently and quickly by the mounting head, and the die bonder is high in flexibility and efficiency.
Description
Technical Field
The invention relates to the technical field of die bonders, in particular to a structure with a suction nozzle convenient to replace.
Background
The die bonding is an important process of the packaging flow in the semiconductor industry and the electronic industry, and the die bonder is equipment designed for the production of semiconductor components, mainly bonds a silicon-based semiconductor wafer on a frame made of copper, and bases on the bonding wire and packaging of the rear section. In general, the die bonder is provided with a mounting head structure for dispensing, grabbing wafer die pads and welding operations.
When the mounting head grabs the wafer patches, negative pressure is generated by the suction nozzles of the mounting head to adsorb the wafer patches, and with the development of technology, in order to meet the requirements of grabbing the wafer patches of different types, the suction nozzles of different types are required to be matched. However, in the traditional mode, the suction nozzle is arranged outside the die bonder, and when the suction nozzle needs to be replaced, the suction nozzle is manually taken from the outside and is arranged on the mounting head, so that the intelligent type die bonder is low in cost and labor, the suction nozzle cannot be quickly replaced, and the efficiency is low.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a structure with the suction nozzle convenient to replace, which can solve the technical problems.
(II) technical scheme
In order to solve the technical problems, the invention provides the following technical scheme: a structure for facilitating replacement of a suction nozzle, comprising: the mounting head comprises a suction nozzle fixing arm and a suction nozzle which is arranged at the bottom of the suction nozzle fixing arm in a magnetic attraction manner; the first sliding rail is arranged on the supporting plate along a first direction, and a first sliding block is arranged in the first sliding rail in a sliding manner; the sliding table is connected with the first sliding block and synchronously slides in the first sliding rail along with the first sliding block; the driving mechanism is arranged on the supporting plate and used for driving the sliding table to slide along the first sliding rail; a suction nozzle storage table arranged on the sliding table, wherein a plurality of storage tanks, suction nozzles detachably arranged in the storage tanks and a sensor for detecting whether the suction nozzles are placed in the storage tanks are arranged in the suction nozzle storage table; when the suction nozzle needs to be replaced, the mounting head is controlled to move into an idle storage tank in the suction nozzle warehouse storage table, and when the sensor detects that the suction nozzle of the mounting head moves into the idle storage tank, the suction nozzle fixing arm clamps the suction nozzle at the bottom of the suction nozzle fixing arm in the storage tank, and controls the suction nozzle fixing arm to move to the suction nozzle position in the storage tank of a required model, and the suction nozzle in the storage tank is sucked by utilizing a magnetic suction mode so as to replace the suction nozzle.
Further, the suction nozzle warehouse storage table comprises a mounting plate which is arranged on the sliding table and is rectangular, and a controller main board which is arranged on the bottom surface of the mounting plate and is electrically connected with the sensor, wherein the controller main board is provided with a data interface which is electrically connected with a main controller of the die bonder, the storage tank is in a round shape, a plurality of storage tanks are arranged on the side edge of the mounting plate at intervals, an opening communicated with the storage tanks is formed on the side edge of the mounting plate, a plurality of containing tanks corresponding to the plurality of storage tanks are further arranged in the mounting plate at intervals, and the containing tanks are communicated with the storage tanks through communication holes, and the sensor is arranged in the containing tanks.
Further, each suction nozzle is provided with a trigger lever, the sensor is provided with an identification groove facing the communication hole, when the trigger lever is accommodated in the identification groove of the sensor, the suction nozzle of the mounting head is judged to move into the spare storage groove, and when the trigger lever leaves from the identification groove of the sensor, the suction nozzle is judged to be taken down from the storage groove.
Further, a conveying through hole and a plurality of first accommodating grooves which are arranged outside the conveying through hole in a surrounding mode at intervals are formed in the center of the bottom end of the suction nozzle fixing arm, a magnet is arranged in the first accommodating grooves, the suction nozzle comprises a suction nozzle body and a suction nozzle head which are made of magnetic materials, the trigger rod is arranged outside the suction nozzle body, a first extending part which is used for accommodating the suction nozzle body in the conveying through hole is arranged at the top end of the suction nozzle body in an extending mode, a second extending part is arranged at the bottom of the suction nozzle body in the extending mode, a second accommodating groove is formed in the second extending part, a first suction hole which penetrates through the first extending part and is communicated with the second accommodating groove is further formed in the suction nozzle body, the first suction hole corresponds to the conveying through hole of the suction nozzle fixing arm, the suction nozzle head is arranged in the second accommodating groove, and a second suction hole which corresponds to the first suction hole is formed in the suction nozzle head along the length direction of the suction nozzle head.
Further, the bottom end of the suction nozzle fixing arm is further provided with a heating element for heating the suction nozzle head, the suction nozzle further comprises a clamping part and a fixing element, the clamping part and the fixing element are arranged below the suction nozzle body, the outer wall of the clamping part is provided with a clamping groove in an annular shape, a first accommodating through hole is formed in the center of the clamping part, the second extending part is arranged in the first accommodating through hole in a penetrating manner, an external thread is formed in the outer wall, close to the top end of the suction nozzle body, of the second extending part, the fixing element is provided with a second accommodating through hole for accommodating the second extending part, the fixing element comprises a cylindrical first fixing element and a polygonal and three-dimensional second fixing element arranged below the first fixing element, the second accommodating through hole penetrates through the first fixing element and the second fixing element, and an internal thread in threaded connection with the external thread of the second extending part is formed in the inner wall of the second accommodating through hole in the first fixing element; the bottom that the second extension was kept away from the suction nozzle body is the round platform form, the external diameter of the bottom of second extension is the taper setting towards keeping away from the direction of suction nozzle body, the bottom of second extension is provided with a plurality of slots along its length direction interval, in order will the bottom of second extension is divided into a plurality of clamping pieces, the external diameter of the center department of the bottom of second extension equals the aperture of the second through-hole of acceping of second mounting, the suction nozzle head is cylindricly, the external diameter of suction nozzle head equals the aperture of second acceping the recess.
Further, the suction nozzle fixing arm and the clamping portion are all circular, a clamping groove is further formed in a storage groove of the mounting plate, the aperture of the clamping groove is larger than that of the storage groove, the outer diameter of the suction nozzle body is larger than that of the clamping portion, the aperture of the storage groove is smaller than that of the clamping portion, the aperture of the clamping groove is larger than that of the clamping portion, the aperture of the clamping groove is smaller than that of the suction nozzle body, the aperture of the storage groove is larger than that of the clamping groove, the depth of the clamping groove is larger than that of the mounting plate, and the thickness of the mounting plate is larger than that of the clamping groove, wherein: when the suction nozzle needs to be replaced, controlling the mounting head to move out of the mounting plate, enabling a clamping groove of a clamping part of the suction nozzle of the mounting head to be positioned on the same horizontal plane with the mounting plate, controlling the mounting head to rotate so that a trigger rod of the suction nozzle faces to a communication hole of the storage groove, then controlling the mounting head to move along the horizontal direction towards the direction close to the storage groove, enabling the storage groove of the mounting plate to be clamped in the clamping groove, and controlling the mounting head to ascend upwards along the vertical direction when determining that the trigger rod of the suction nozzle is inserted in the storage groove of the sensor so as to clamp the suction nozzle in the storage groove through the mounting plate; and then controlling the mounting head to move to the suction nozzle in the storage tank of the required model, controlling the mounting head to descend downwards along the vertical direction so that the suction nozzle fixing arm of the mounting head sucks the suction nozzle in the storage tank in a magnetic suction mode, and finally controlling the mounting head to move along the horizontal direction towards the direction away from the storage tank so that the suction nozzle in the storage tank is taken out from the mounting plate to realize replacement of the suction nozzle.
Further, the actuating mechanism is including setting up dwang on the one end of backup pad, setting up the loading board on the other end of backup pad, set up driving motor on the loading board, set up first synchronizing wheel on the dwang, set up driving motor's epaxial second synchronizing wheel and encircle the setting and be in first synchronizing wheel with the hold-in range outside the second synchronizing wheel, wherein the sliding table with the hold-in range is connected, so that pass through the hold-in range drives the sliding table is in slide on the first slide rail.
Further, the sliding table comprises a first sliding table and a second sliding table arranged on the first sliding table, the bottom surface of the first sliding table is fixedly arranged on the first sliding block, the top surface of the first sliding table is provided with a second sliding rail along a first direction, a second sliding block is arranged in the second sliding rail in a sliding manner, the bottom surface of the second sliding table is fixedly arranged on the second sliding block, the mounting plate is arranged on the top surface of the second sliding table, the first sliding table is connected with the synchronous belt, the first sliding table is driven by the synchronous belt to slide along the first sliding rail, and the two ends of the second sliding rail are respectively provided with a first stop block and a second stop block for clamping the second sliding table.
Further, a limiting strip for blocking the first sliding table is arranged at one end of the supporting plate, a penetrating through hole is formed between the limiting strip and the supporting plate, the first synchronous wheel is located in the penetrating through hole, a first slot is formed in the bottom surface of the first sliding table along a first direction, the synchronous belt is located in the first slot, and one side of the synchronous belt is fixedly connected with the side wall of the first slot of the first sliding table.
Further, a second slot communicated with the first slot is formed in the top surface of one end, far away from the driving motor, of the first sliding table, a lower extension part positioned in the second slot is arranged on the bottom surface of the second sliding table, a buffer spring is fixedly arranged on one end surface of the bottom wall of the second slot or the bottom wall of the second slot, and a protruding strip facing the limit strip is arranged on the other end surface of the bottom wall of the second slot, far away from the lower extension part; the support plate is further provided with a side plate arranged along a first direction, a first limiting block and a second limiting block are arranged on the side plate along the first direction at intervals, a recognizer arranged between the first limiting block and the second limiting block is arranged on one side of the first sliding table, and the first sliding table is controlled to be stopped when the recognizer is determined to move to the first limiting block or the second limiting block.
(III) beneficial effects
Compared with the prior art, the invention provides a structure convenient for replacing the suction nozzle, which has the following beneficial effects: the structure for conveniently replacing the suction nozzle disclosed by the invention comprises the following steps: the supporting plate is positioned below the mounting head of the die bonder; the first sliding rail is arranged on the supporting plate along the first direction, and a first sliding block is arranged in the first sliding rail in a sliding manner; the sliding table is connected with the first sliding block and synchronously slides in the first sliding rail along with the first sliding block; the driving mechanism is arranged on the supporting plate and used for driving the sliding table to slide along the first sliding rail; the suction nozzle warehouse storage table is arranged on the sliding table, wherein a plurality of storage tanks, suction nozzles detachably arranged in the storage tanks and a sensor for detecting whether the suction nozzles are placed in the storage tanks are arranged in the middle of the suction nozzle warehouse storage table. Through the mode, the structure convenient for replacing the suction nozzles is arranged in the processing space in the die bonder, the suction nozzle warehouse storage table stores a plurality of suction nozzles of different types, the suction nozzle warehouse storage table can be moved to a preset position through the driving mechanism, the suction nozzle is convenient and quick to position, the suction nozzle and the suction nozzle fixing arm are connected in a magnetic attraction mode, the suction nozzle is convenient and quick to replace by the mounting head, and the die bonder is high in flexibility and efficiency.
Drawings
FIG. 1 is a schematic view of a structure of a suction nozzle of the present invention for easy replacement;
FIG. 2 is a first partial schematic view of the structure of FIG. 1 for facilitating replacement of the suction nozzle;
FIG. 3 is a second partial schematic view of the structure of FIG. 1 for facilitating replacement of the suction nozzle;
FIG. 4 is a schematic view of a second slide table of the structure of FIG. 1 for facilitating replacement of a suction nozzle;
FIG. 5 is a third partial schematic view of the structure of FIG. 1 for facilitating replacement of the suction nozzle;
FIG. 6 is a schematic view of the first direction of the suction nozzle magazine for facilitating the replacement of the suction nozzle of FIG. 1;
FIG. 7 is a schematic view of a second directional structure of the suction nozzle magazine for facilitating replacement of the suction nozzle of FIG. 1;
FIG. 8 is a schematic view of a suction nozzle fixing arm according to the present invention;
FIG. 9 is a schematic view of a first direction structure of a suction nozzle according to the present invention;
FIG. 10 is a schematic view of a second direction structure of the suction nozzle of the present invention;
FIG. 11 is a schematic view of a nozzle body of the nozzle according to the present invention;
FIG. 12 is a schematic view of a clamping portion of the suction nozzle according to the present invention;
fig. 13 is a schematic structural view of a fixing member of the suction nozzle of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 13, the structure for facilitating replacement of a suction nozzle according to the present invention includes a support plate 10, a first slide rail 11, a slide table 12, a driving mechanism 13, and a suction nozzle magazine storage table 14.
The supporting plate 10 is arranged at the bottom wall of the processing space in the die bonder and is positioned below the mounting head of the die bonder. It should be understood that the mounting head is disposed in the processing space of the die bonder, and can perform dispensing, wafer picking and soldering operations in the processing space.
Preferably, the mounting head includes a nozzle fixing arm 20 and a nozzle 21 magnetically disposed at the bottom of the nozzle fixing arm 20.
The first slide rail 11 is disposed on the support plate 10 along the first direction a, wherein the first slide rail 11 is slidably provided with a first slider 111 therein. It should be understood that there are two first sliding rails 11, and the two first sliding rails 11 are disposed at intervals.
The slide table 12 is connected to the first slider 111 to slide in the first slide rail 11 in synchronization with the first slider 111.
A driving mechanism 13 is provided on the support plate 10 for driving the slide table 12 to slide along the first slide rail 11. It should be understood that the drive mechanism 13 is disposed between the two first slide rails 11.
The suction nozzle library storage table 14 is provided on the slide table 12 to slide synchronously with the slide table 12.
In the present embodiment, a plurality of storage tanks 141, suction nozzles 21 detachably provided in the storage tanks 141, and a sensor 142 for detecting whether the suction nozzles 21 are placed in the storage tanks 141 are provided in the middle of the suction nozzle library storage table 14. That is, when the sensor 142 can recognize whether the suction nozzle 21 is placed in the storage tank 141.
Specifically, when the suction nozzle 21 needs to be replaced, the mounting head is controlled to move into an empty storage tank in the suction nozzle warehouse storage table 14, and when the sensor 142 detects that the suction nozzle 21 of the mounting head moves into the empty storage tank 141, the suction nozzle fixing arm 20 clamps the suction nozzle 21 at the bottom of the mounting head in the storage tank 141, and controls the suction nozzle fixing arm 20 to move to the suction nozzle 21 in the storage tank 141 of a required model, and the suction nozzle 21 in the storage tank 141 is sucked by a magnetic suction mode to replace the suction nozzle.
Further, the suction nozzle library storage table 14 includes a rectangular mounting plate 140 disposed on the sliding table 12 and a controller board 143 disposed on a bottom surface of the mounting plate 140 and electrically connected to the sensor 142, wherein the controller board 143 is provided with a data interface 1431 electrically connected to a main controller of the die bonder, so that data transmission can be performed between the data interface 1431 and the main controller of the die bonder.
Preferably, the storage groove 141 is circular, wherein a plurality of storage grooves 141 are arranged at intervals on the side edge of the mounting plate 140, and the side edge of the mounting plate 140 is provided with an opening 1401 communicated with the storage groove 141, so that the suction nozzle 21 can enter and be blocked in the storage groove 141 through the opening 1401. That is, in order to house and hold the suction nozzle 21 in the storage tank 141, it is necessary to horizontally insert the suction nozzle 21 from the opening 1401 into the storage tank 141.
Further, a plurality of receiving grooves 144 corresponding to the plurality of storage grooves 141 are provided in the mounting plate 140 at intervals, wherein the receiving grooves 144 and the storage grooves 141 are communicated through communication holes, and the sensor 142 is provided in the receiving grooves 144.
In the present embodiment, each suction nozzle 21 is provided with the trigger lever 210, wherein the sensor 142 is provided with the recognition groove 1421 toward the communication hole. Preferably, when the trigger lever 210 is accommodated in the recognition groove 1421 of the sensor 142, it is determined that the suction nozzle 21 of the mounting head moves into the empty storage groove 141, and when the trigger lever 210 is separated from the recognition groove 1421 of the sensor 142, it is determined that the suction nozzle 21 is removed from the storage groove 141. That is, the present embodiment mainly determines whether the suction nozzle 21 is placed in the storage tank 141 by judging whether the trigger lever 210 is in the recognition tank 1421 of the sensor 142.
In the present embodiment, a conveyance through hole 201 and a plurality of first receiving grooves disposed circumferentially outside the conveyance through hole 201 at intervals are provided at the center of the bottom end of the nozzle fixing arm 20, wherein the first receiving grooves are provided with magnets 202 therein. It should be appreciated that when the mounting head adsorbs the wafer patches, negative pressure gas is generated in the transfer through-holes 201.
Preferably, the suction nozzle 21 includes a nozzle body 211 and a nozzle head 212, which are made of a magnetic material, wherein the trigger lever 210 is disposed outside the nozzle body 211, and the nozzle head 212 is disposed in the nozzle body 211. It should be appreciated that, since the nozzle body 211 is made of magnetic material, the nozzle body 211 is attracted to the magnet 202 at the bottom end of the nozzle fixing arm 20, so that the nozzle 21 and the nozzle fixing arm 20 are connected by magnetic connection, and the nozzle can be conveniently and quickly removed and installed, so that different types of nozzles can be replaced as required, and the flexibility is high.
Further, the top end of the nozzle body 211 is extended with a first extension portion 2111 for being accommodated in the conveying through hole 201, the bottom of the nozzle body 2111 is extended with a second extension portion 2112, the second extension portion 2112 is provided with a second accommodating groove, the nozzle body 2111 is further provided with a first suction hole penetrating through the first extension portion 2111 and communicating with the second accommodating groove, the first suction hole corresponds to the conveying through hole 201 of the nozzle fixing arm 20, the nozzle head 212 is arranged in the second accommodating groove, and a second suction hole corresponding to the first suction hole is arranged in the nozzle head 212 along the length direction, so that negative pressure is generated in the second suction hole to suck the wafer chip.
It should be understood that, when the first extension portion 2111 is accommodated in the conveying through hole 201, the first suction hole of the first extension portion 2111 corresponds to and is connected with the conveying through hole 201 of the suction nozzle fixing arm 20, so that when the wafer patch needs to be sucked, a negative pressure is generated in the conveying through hole 201 of the suction nozzle fixing arm 20, so that the first suction hole and the second suction hole generate a negative pressure, thereby sucking the wafer patch (the wafer patch can be sucked without a large negative pressure in this embodiment).
Preferably, the nozzle head 212 has a cylindrical shape, and the outer diameter of the nozzle head 212 is equal to the aperture of the second receiving groove.
Further, a heating element for heating the nozzle head 212 is further disposed at the bottom end of the nozzle fixing arm 20, and the nozzle 21 further includes a clamping portion 213 and a fixing element 214 disposed below the nozzle body 211, a clamping groove 2131 having a ring shape is disposed on an outer wall of the clamping portion 213, a first accommodating through hole 2132 is disposed at a center of the clamping portion 213, and the second extending portion 2112 is disposed in the first accommodating through hole 2132 in a penetrating manner.
Further, the outer wall of the second extension portion 2112 near the top end of the nozzle body 211 is provided with external threads, and the fixing member 214 is provided with a second receiving through hole 2140 for receiving the second extension portion 2112, so that the nozzle head 212 is disposed in the second receiving groove of the second extension portion 2112 through the fixing member 214.
In the present embodiment, the fixing member 214 includes a cylindrical first fixing member 2141 and a second fixing member 2142 having a polygonal three-dimensional shape and located below the first fixing member 2141, wherein the second receiving hole 2140 penetrates through the first fixing member 2141 and the second fixing member 2142.
Further, the inner wall of the second receiving through hole 2140 in the first fixing element 2141 is provided with an internal thread screwed with the external thread of the second extension portion 2112, so that the fixing element 214 is screwed with the second extension portion 2112, and installation and detachment are facilitated.
Preferably, the second extension portion 2112 is in a truncated cone shape away from the bottom end of the nozzle body 211, wherein the outer diameter of the bottom end of the second extension portion 2112 is gradually reduced toward the direction away from the nozzle body 211.
Preferably, the bottom end of the second extension portion 2112 is provided with a plurality of slits 2113 at intervals along the length direction thereof to divide the bottom end of the second extension portion 2112 into a plurality of clips 2114, wherein the outer diameter at the center of the bottom end of the second extension portion 2112 (i.e., at the center of the bottom end in the vertical direction) is equal to the aperture of the second receiving through hole 2140 of the second fixing member 2142. It should be appreciated that due to the externally threaded connection of the first mount 2141 with the top end of the second extension 2112, when the first mount 2141 is rotated such that the first mount 2141 moves upward, the second mount 2142 follows the first mount 2141, and at this time, the second mount 2142 presses the plurality of clips 2114 to clamp the nozzle head 212 within the second receiving recess of the second extension 2112.
In this embodiment, the suction nozzle fixing arm 20 and the clamping portion 213 are both circular, wherein the storage groove 141 of the mounting plate 140 is further provided with a clamping groove 1411, the aperture of the clamping groove 1411 is larger than the aperture of the storage groove 141, the outer diameter of the suction nozzle body 211 is larger than the outer diameter of the clamping portion 213, the aperture of the storage groove 141 is smaller than the outer diameter of the clamping portion 213, the aperture of the clamping groove 1411 is larger than the outer diameter of the clamping portion 213, the aperture of the clamping groove 1411 is smaller than the outer diameter of the suction nozzle body 211, the aperture of the storage groove 141 is larger than the inner diameter (i.e., the outer diameter of the bottom wall) of the clamping groove 2131, and the depth of the clamping groove 2131 is larger than the thickness of the mounting plate 140. It should be understood that since the aperture of the storage tank 141 is larger than the inner diameter of the clamping groove 2131 and the aperture of the storage tank 141 is smaller than the outer diameter of the clamping portion 213, the suction nozzle 21 cannot enter the storage tank 141 from above or below the storage tank 141, and the suction nozzle 21 can only enter the storage tank 141 from the opening 1401 in the horizontal direction, so that the clamping groove 2131 is clamped in the storage tank 141.
Specifically, when the suction nozzle 21 needs to be replaced, the mounting head is controlled to move out of the mounting plate 140 (i.e., the mounting head is not directly above or directly below the mounting plate 140) and the clamping groove 2131 of the clamping portion 213 of the suction nozzle 21 of the mounting head is made to be in the same horizontal plane as the mounting plate 140, then the mounting head is controlled to rotate so that the trigger lever 210 of the suction nozzle 21 faces the communication hole of the storage groove 141 (so that the trigger lever 210 is convenient to be quickly inserted into the communication hole), then the mounting head is controlled to move in the horizontal direction toward the direction close to the storage groove 141 so that the storage groove 141 of the mounting plate 140 is clamped in the clamping groove 213, and when it is determined that the trigger lever 210 of the suction nozzle 21 is inserted in the receiving groove 1421 of the sensor 142, the mounting head is controlled to rise in the vertical direction (when the storage groove 141 clamps the clamping portion 213 so that it does not rise, only the fixing arm 21 rises so that the suction nozzle 21 is removed) to clamp the suction nozzle 21 in the storage groove 141 by the mounting plate 140; then, the mounting head is controlled to move to the suction nozzle 21 in the storage tank 141 of the required model (the model of the suction nozzle 21 accommodated in each storage tank 141 is different), and the mounting head is controlled to descend downwards in the vertical direction (to the suction nozzle fixing arm 20 to suck the suction nozzle 21), so that the suction nozzle fixing arm 20 of the mounting head sucks the suction nozzle 21 in the storage tank 141 by using a magnetic suction mode, and finally, the mounting head is controlled to move in the horizontal direction towards the direction far away from the storage tank 141, so that the suction nozzle 21 in the storage tank 141 is taken out from the mounting plate 140, and the replacement of the suction nozzle 21 is realized.
In the present embodiment, the driving mechanism 13 includes a rotating lever provided on one end of the support plate 10, a carrier plate 131 provided on the other end of the support plate 10, a driving motor 132 provided on the carrier plate 131, a first synchronizing wheel 133 provided on the rotating lever, a second synchronizing wheel 134 provided on a rotation shaft of the driving motor 132, and a timing belt 135 provided around the outside of the first synchronizing wheel 133 and the second synchronizing wheel 134, wherein the slide table 12 is connected to the timing belt 135 to drive the slide table 12 to slide on the first slide rail 11 by the timing belt 135.
Further, the sliding table 12 includes a first sliding table 121 and a second sliding table 122 disposed on the first sliding table 121, wherein a bottom surface of the first sliding table 121 is fixedly disposed on the first sliding block 111, a top surface of the first sliding table 121 is provided with a second sliding rail 1211 along a first direction, a second sliding block 1212 is slidably disposed in the second sliding rail 1211, a bottom surface of the second sliding table 122 is fixedly disposed on the second sliding block 1212, and the mounting plate 140 is disposed on a top surface of the second sliding table 122, and the first sliding table 121 is connected with the synchronous belt 135 to drive the first sliding table 121 to slide along the first sliding rail 11 through the synchronous belt 135.
Further, two ends of the second slide rail 1211 are respectively provided with a first stop block and a second stop block for clamping the second sliding table 122.
In this embodiment, a limiting bar 101 for blocking the first sliding table 121 is disposed on one end of the supporting plate 10, the limiting bar 101 and the supporting plate 10 form a penetrating through hole, the first synchronizing wheel 133 is disposed in the penetrating through hole, a first slot 1213 is disposed on the bottom surface of the first sliding table 121 along the first direction, the synchronous belt 135 is disposed in the first slot 1213, and one side of the synchronous belt 135 is fixedly connected with a side wall of the first slot 1213 of the first sliding table 121.
Further, a second slot 1214 communicating with the first slot 1213 is provided on the top surface of one end of the first sliding table 121 far from the driving motor 132, a lower extension 1221 located in the second slot 1214 is provided on the bottom surface of the second sliding table 122, a buffer spring 1215 is fixedly provided on one end surface of the lower extension 1221 facing the bottom wall of the second slot 1214 or the bottom wall of the second slot 1214, and a protruding strip 1216 facing the limit strip 101 is provided on the other end surface of the lower extension 1221 far from the bottom wall of the second slot 1214.
The support plate 10 is further provided with a side plate 102 disposed along a first direction, the side plate 102 being provided with a first stopper 1021 and a second stopper 1022 at intervals along the first direction, wherein one side of the first slide table 121 is provided with a discriminator 1217 between the first stopper 1021 and the second stopper 1022. It should be appreciated that the identifier 1217 is associated with the drive motor 132, i.e., the identifier 1217 issues a command to the drive motor 132 such that the drive motor 132 ceases to operate upon receipt of the command.
Preferably, upon determining that the identifier 1217 is moved to the first stopper 1021 or the second stopper 1022, the first slide table 121 is controlled to be stationary. It should be understood that the first stopper 1021 and the second stopper 1022 are used to limit the sliding distance of the first sliding table 121, that is, when the identifier 1217 moves to the first stopper 1021 or the second stopper 1022, a stop command is generated to the driving motor 132, so that the driving motor 132 stops working after receiving the stop command, and the first sliding table 121 does not move any more.
Further, in some embodiments, the side plate 102 is provided with a scale along the first direction, the identifier 1217 includes a pointer for pointing to the scale, when it is determined that the bottom of the nozzle fixing arm 20 has no nozzle 21 and needs to suck the nozzle 21, a first coordinate point of the nozzle fixing arm 20 and a second coordinate point of the first sliding table 121 are located, a distance value between the first coordinate point and the second coordinate point is calculated, then a preset scale value (i.e., the nozzle of a required model is just under the nozzle fixing arm 20 when the pointer points to the preset scale value) on the scale is calculated according to the distance value, and when it is determined that the driving motor 132 drives the first sliding table 121 to move and it is determined that the pointer points to the required preset scale value, the driving motor 132 is controlled to stop moving, so that the nozzle 21 in the storage tank 141 of the required model of the mounting plate 149 on the first sliding table 121 is located directly under the nozzle fixing arm 20. It should be understood that the structure for facilitating the replacement of the suction nozzle of the present embodiment further includes a traverse mechanism under the support plate 10, the traverse mechanism being configured to drive the support plate 10 to move in the second direction, and the first direction and the second direction being vertically arranged, so that the mounting plate 140 on the first slide table 121 can be moved to an arbitrary position by the traverse mechanism and the driving mechanism.
It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A structure for facilitating replacement of a suction nozzle, comprising:
the mounting head comprises a suction nozzle fixing arm and a suction nozzle which is arranged at the bottom of the suction nozzle fixing arm in a magnetic attraction manner;
the first sliding rail is arranged on the supporting plate along a first direction, and a first sliding block is arranged in the first sliding rail in a sliding manner;
the sliding table is connected with the first sliding block and synchronously slides in the first sliding rail along with the first sliding block;
the driving mechanism is arranged on the supporting plate and used for driving the sliding table to slide along the first sliding rail;
a suction nozzle storage table arranged on the sliding table, wherein a plurality of storage tanks, suction nozzles detachably arranged in the storage tanks and a sensor for detecting whether the suction nozzles are placed in the storage tanks are arranged in the suction nozzle storage table;
when the suction nozzle needs to be replaced, the mounting head is controlled to move into an idle storage tank in the suction nozzle warehouse storage table, and when the sensor detects that the suction nozzle of the mounting head moves into the idle storage tank, the suction nozzle fixing arm clamps the suction nozzle at the bottom of the suction nozzle fixing arm in the storage tank, and controls the suction nozzle fixing arm to move to the suction nozzle position in the storage tank of a required model, and the suction nozzle in the storage tank is sucked by utilizing a magnetic suction mode so as to replace the suction nozzle.
2. The structure for facilitating replacement of a suction nozzle according to claim 1, wherein the suction nozzle warehouse storage table comprises a mounting plate which is arranged on the sliding table and is rectangular, and a controller main board which is arranged on the bottom surface of the mounting plate and is electrically connected with the sensor, the controller main board is provided with a data interface which is electrically connected with a main controller of the die bonder, the storage tank is in a round shape, the plurality of storage tanks are arranged on the side edge of the mounting plate at intervals, an opening which is communicated with the storage tank is arranged on the side edge of the mounting plate, a plurality of containing tanks which are corresponding to the plurality of storage tanks are further arranged in the mounting plate at intervals, the containing tanks are communicated with the storage tanks through communication holes, and the sensor is arranged in the containing tanks.
3. The structure for facilitating replacement of suction nozzles as set forth in claim 2, wherein each of the suction nozzles is provided with a trigger lever, the sensor is provided with a recognition groove facing the communication hole, when the trigger lever is accommodated in the recognition groove of the sensor, it is determined that the suction nozzle of the mounting head is moved into the empty storage groove, and when the trigger lever is separated from the recognition groove of the sensor, it is determined that the suction nozzle is removed from the storage groove.
4. The structure for facilitating replacement of a suction nozzle according to claim 3, wherein a conveying through hole and a plurality of first accommodating grooves which are circumferentially arranged outside the conveying through hole at intervals are formed in the center of the bottom end of the suction nozzle fixing arm, a magnet is arranged in each first accommodating groove, the suction nozzle comprises a suction nozzle body and a suction nozzle head which are made of magnetic materials, the trigger rod is arranged outside the suction nozzle body, a first extending part which is used for accommodating the suction nozzle body in the conveying through hole is arranged at the top end of the suction nozzle body in an extending mode, a second extending part is arranged at the bottom of the suction nozzle body in the extending mode, a second accommodating groove is formed in the second extending part, a first suction hole which penetrates through the first extending part and is communicated with the second accommodating groove is further formed in the suction nozzle body, the first suction hole corresponds to the conveying through hole of the suction nozzle fixing arm, and a second suction hole which corresponds to the first suction hole is formed in the second accommodating groove in the suction nozzle head along the length direction.
5. The structure for facilitating replacement of a suction nozzle as set forth in claim 4, wherein the bottom end of the suction nozzle fixing arm is further provided with a heating member for heating the suction nozzle head, the suction nozzle further comprises a clamping portion and a fixing member which are arranged below the suction nozzle body, the outer wall of the clamping portion is provided with a clamping groove in a ring shape, a first accommodating through hole is arranged in the center of the clamping portion, the second extending portion is arranged in the first accommodating through hole in a penetrating manner, the outer wall, close to the top end of the suction nozzle body, of the second extending portion is provided with an external thread, the fixing member is provided with a second accommodating through hole for accommodating the second extending portion, the fixing member comprises a first fixing member in a cylindrical shape and a second fixing member which is in a polygonal three-dimensional shape and is arranged below the first fixing member, the second accommodating through hole penetrates through the first fixing member and the second fixing member, and the inner wall of the second accommodating through hole in the first fixing member is provided with an internal thread connected with the external thread of the second extending portion; the bottom that the second extension was kept away from the suction nozzle body is the round platform form, the external diameter of the bottom of second extension is the taper setting towards keeping away from the direction of suction nozzle body, the bottom of second extension is provided with a plurality of slots along its length direction interval, in order will the bottom of second extension is divided into a plurality of clamping pieces, the external diameter of the center department of the bottom of second extension equals the aperture of the second through-hole of acceping of second mounting, the suction nozzle head is cylindricly, the external diameter of suction nozzle head equals the aperture of second acceping the recess.
6. The structure of claim 5, wherein the nozzle fixing arm and the clamping portion are circular, a clamping groove is further formed in the storage groove of the mounting plate, the aperture of the clamping groove is larger than that of the storage groove, the outer diameter of the nozzle body is larger than that of the clamping portion, the aperture of the storage groove is smaller than that of the clamping portion, the aperture of the clamping groove is larger than that of the clamping portion, the aperture of the clamping groove is smaller than that of the outer diameter of the nozzle body, the aperture of the clamping groove is larger than that of the inner diameter of the clamping groove, and the depth of the clamping groove is larger than that of the mounting plate, wherein:
when the suction nozzle needs to be replaced, controlling the mounting head to move out of the mounting plate, enabling a clamping groove of a clamping part of the suction nozzle of the mounting head to be positioned on the same horizontal plane with the mounting plate, controlling the mounting head to rotate so that a trigger rod of the suction nozzle faces to a communication hole of the storage groove, then controlling the mounting head to move along the horizontal direction towards the direction close to the storage groove, enabling the storage groove of the mounting plate to be clamped in the clamping groove, and controlling the mounting head to ascend upwards along the vertical direction when determining that the trigger rod of the suction nozzle is inserted in the storage groove of the sensor so as to clamp the suction nozzle in the storage groove through the mounting plate; and then controlling the mounting head to move to the suction nozzle in the storage tank of the required model, controlling the mounting head to descend downwards along the vertical direction so that the suction nozzle fixing arm of the mounting head sucks the suction nozzle in the storage tank in a magnetic suction mode, and finally controlling the mounting head to move along the horizontal direction towards the direction away from the storage tank so that the suction nozzle in the storage tank is taken out from the mounting plate to realize replacement of the suction nozzle.
7. The suction nozzle replacement facilitating structure according to claim 3, wherein the driving mechanism comprises a rotating rod arranged on one end of the supporting plate, a bearing plate arranged on the other end of the supporting plate, a driving motor arranged on the bearing plate, a first synchronizing wheel arranged on the rotating rod, a second synchronizing wheel arranged on a rotating shaft of the driving motor, and a synchronous belt surrounding the first synchronizing wheel and the second synchronizing wheel, wherein the sliding table is connected with the synchronous belt so as to drive the sliding table to slide on the first sliding rail through the synchronous belt.
8. The structure for facilitating replacement of a suction nozzle as set forth in claim 7, wherein the slide table includes a first slide table and a second slide table disposed on the first slide table, a bottom surface of the first slide table is fixedly disposed on the first slide block, a second slide rail is disposed on a top surface of the first slide table along a first direction, a second slide block is disposed in the second slide rail in a sliding manner, a bottom surface of the second slide table is fixedly disposed on the second slide block, wherein the mounting plate is disposed on a top surface of the second slide table, the first slide table is connected with the timing belt, the first slide table is driven to slide along the first slide rail by the timing belt, and a first stopper and a second stopper for clamping the second slide table are disposed at two ends of the second slide rail, respectively.
9. The suction nozzle replacement facilitating structure according to claim 8, wherein a limit bar for blocking the first sliding table is arranged at one end of the supporting plate, a penetrating through hole is formed between the limit bar and the supporting plate, the first synchronizing wheel is located in the penetrating through hole, a first slot is formed in the bottom surface of the first sliding table along a first direction, the synchronous belt is located in the first slot, and one side of the synchronous belt is fixedly connected with the side wall of the first slot of the first sliding table.
10. The structure for facilitating replacement of a suction nozzle as set forth in claim 9, wherein a second slot communicating with the first slot is provided on a top surface of an end of the first slide table remote from the driving motor, a lower extension part is provided on a bottom surface of the second slide table in the second slot, wherein a buffer spring is fixedly provided on one end surface of the lower extension part facing the bottom wall of the second slot or the bottom wall of the second slot, and a protruding strip facing the limit strip is provided on the other end surface of the lower extension part remote from the bottom wall of the second slot; the support plate is further provided with a side plate arranged along a first direction, a first limiting block and a second limiting block are arranged on the side plate along the first direction at intervals, a recognizer arranged between the first limiting block and the second limiting block is arranged on one side of the first sliding table, and the first sliding table is controlled to be stopped when the recognizer is determined to move to the first limiting block or the second limiting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311331527.8A CN117373983B (en) | 2023-10-13 | 2023-10-13 | Structure convenient for replacing suction nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311331527.8A CN117373983B (en) | 2023-10-13 | 2023-10-13 | Structure convenient for replacing suction nozzle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117373983A true CN117373983A (en) | 2024-01-09 |
| CN117373983B CN117373983B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311331527.8A Active CN117373983B (en) | 2023-10-13 | 2023-10-13 | Structure convenient for replacing suction nozzle |
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| JPH07153784A (en) * | 1993-11-29 | 1995-06-16 | Sony Corp | Mounting of bare chip onto printed board and flip-chip bonder |
| JP2000068687A (en) * | 1998-08-26 | 2000-03-03 | Sony Corp | Chip mounting equipment |
| JP2009117580A (en) * | 2007-11-06 | 2009-05-28 | Panasonic Corp | Nozzle replacement table and component mounting device |
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| CN111326472A (en) * | 2020-03-02 | 2020-06-23 | 深圳新益昌科技股份有限公司 | Automatic suction nozzle replacement type die bonder |
| CN212695135U (en) * | 2020-09-28 | 2021-03-12 | 苏州驰彭电子科技有限公司 | Dustproof solid brilliant machine of suction nozzle formula of easily changing |
| CN215266212U (en) * | 2021-06-17 | 2021-12-21 | 先进光电器材（深圳）有限公司 | Automatic suction nozzle replacing device |
| CN115410976A (en) * | 2021-12-11 | 2022-11-29 | 微见智能封装技术(深圳)有限公司 | Suction nozzle replacement component, suction nozzle replacement method and die bonder |
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2023
- 2023-10-13 CN CN202311331527.8A patent/CN117373983B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07153784A (en) * | 1993-11-29 | 1995-06-16 | Sony Corp | Mounting of bare chip onto printed board and flip-chip bonder |
| JP2000068687A (en) * | 1998-08-26 | 2000-03-03 | Sony Corp | Chip mounting equipment |
| JP2009117580A (en) * | 2007-11-06 | 2009-05-28 | Panasonic Corp | Nozzle replacement table and component mounting device |
| KR20110043323A (en) * | 2009-10-21 | 2011-04-27 | 김상영 | Accessories setting machine for motive |
| CN111326472A (en) * | 2020-03-02 | 2020-06-23 | 深圳新益昌科技股份有限公司 | Automatic suction nozzle replacement type die bonder |
| CN212695135U (en) * | 2020-09-28 | 2021-03-12 | 苏州驰彭电子科技有限公司 | Dustproof solid brilliant machine of suction nozzle formula of easily changing |
| CN215266212U (en) * | 2021-06-17 | 2021-12-21 | 先进光电器材（深圳）有限公司 | Automatic suction nozzle replacing device |
| CN115410976A (en) * | 2021-12-11 | 2022-11-29 | 微见智能封装技术(深圳)有限公司 | Suction nozzle replacement component, suction nozzle replacement method and die bonder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117373983B (en) | 2024-03-22 |
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