CN115763355B - Automatic suction nozzle replacing device for die bonder - Google Patents
Automatic suction nozzle replacing device for die bonder Download PDFInfo
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- CN115763355B CN115763355B CN202310037183.3A CN202310037183A CN115763355B CN 115763355 B CN115763355 B CN 115763355B CN 202310037183 A CN202310037183 A CN 202310037183A CN 115763355 B CN115763355 B CN 115763355B
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Abstract
The invention belongs to the technical field of semiconductor industry, and particularly relates to an automatic suction nozzle replacement device for a die bonder. According to the invention, through adjusting the air pressure in the quick change box, the retraction assembly can be used for taking down and installing the suction nozzle, the suction nozzle does not need to be replaced manually, the replacement efficiency is improved, meanwhile, after the suction nozzle is installed, dust and sundries adhered to the surface of the lower end of the suction nozzle can be cleaned and collected, the suction nozzle is prevented from being blocked, and secondary pollution to the suction nozzle caused by the dust and the sundries can be avoided.
Description
Technical Field
The invention belongs to the technical field of semiconductor industry, and particularly relates to an automatic suction nozzle replacing device for a die bonder.
Background
The LED chip is a solid semiconductor device, the heart of the LED is a semiconductor wafer, one end of the wafer is attached to a support, the other end of the wafer is a cathode, and the other end of the wafer is connected with an anode of a power supply, so that the whole wafer is packaged by epoxy resin. When the die bonder is used for mounting the LED chip, the wafer needs to be transferred from the wafer supply position to the die bonding position by the suction nozzle, so that die bonding operation of the wafer and the lining plate is realized. To different wafers, need use the suction nozzle of different specifications to adsorb and transfer, among the prior art, when pasting dress LED chip, when changing the suction nozzle, generally need carry out manual change to the suction nozzle, it is lower to change efficiency, and it is loaded down with trivial details to change the step, and it is longer to consume time, has reduced LED chip and has pasted dress efficiency, and based on above-mentioned problem, this scheme has provided a device that can improve suction nozzle change efficiency.
Disclosure of Invention
The invention aims to provide an automatic suction nozzle replacing device for a die bonder, which is characterized in that a collecting and releasing assembly is used for taking down and installing a suction nozzle by adjusting air pressure in a quick replacing box, the suction nozzle does not need to be replaced manually, the replacing efficiency is improved, meanwhile, after the suction nozzle is installed, dust and sundries adhered to the surface of the lower end of the suction nozzle can be cleaned and collected, the suction nozzle is prevented from being blocked, and secondary pollution to the suction nozzle caused by the dust and the sundries can be avoided.
The technical scheme adopted by the invention is as follows:
the utility model provides a die bonder is with automatic suction nozzle changing device, includes frame assembly, nation head assembly, electric slip ring subassembly, multistation carousel and a plurality of pneumatic centre gripping subassembly, nation head assembly assembles in the upper end of frame assembly, electric slip ring subassembly assembles in the upper end of nation head assembly, the multistation carousel assembles inside the lower extreme of electric slip ring subassembly and is located nation head assembly, and is a plurality of pneumatic centre gripping subassembly ring-type distribution is in the outside of multistation carousel, the lower extreme of pneumatic centre gripping subassembly all is provided with identification element, still includes:
the quick-change box is positioned at the upper end of the rack assembly, an annular guide groove and a plurality of storage cavities are formed in the quick-change box, the plurality of storage cavities are annularly distributed on the outer side of the annular guide groove, air vents are formed between the annular guide groove and the storage cavities, the annular guide groove is communicated with the storage cavities through the air vents, suction nozzles are assembled in the storage cavities, an air supply pipe is rotatably connected in the annular guide groove, an air path joint is fixed at one end of the air supply pipe, an annular guide boss is arranged on the outer side of the air supply pipe and is matched with the annular guide groove, an air guide hole is formed in the air supply pipe and penetrates through the annular guide boss;
the retractable assembly is assembled inside the storage cavity, the suction nozzle is positioned inside the retractable assembly, and at least one retractable assembly is in a no-load state;
the driving part is assembled on one side of the quick-change box and used for driving the quick-change box to operate;
when one air vent corresponds to the air guide hole, an air supply passage is formed by matching the air guide hole and the air vent, and the storage cavity positioned at the upper end of the air vent is communicated with the air supply pipe through the air supply passage.
In a preferred scheme, receive and release the subassembly including receiving and releasing sleeve, first relief valve, second relief valve, locating lever and resetting element, receive and release subassembly sliding connection in the inside of depositing the chamber, receive and release chamber and pressure chamber have been seted up to the inside of receiving and releasing the subassembly, just the pressure chamber is located the outside of receiving and releasing the chamber, the upper end of receiving and releasing the chamber is provided with the constant head tank, the assembly of suction nozzle activity is in the inside of constant head tank, first relief valve is fixed in the inside lower extreme of pressure chamber, the second relief valve is fixed in on the inner wall of pressure chamber, locating lever sliding connection is in the inside of pressure chamber, just the centre gripping hole with locating lever looks adaptation is seted up in the outside of suction nozzle, resetting element assembles between locating lever and receiving and releasing sleeve.
In a preferable scheme, a conical rod is arranged at the lower end of the suction nozzle and is positioned in the extending direction of the output end of the second pressure relief valve.
In a preferable scheme, the discharge pressure of the first pressure relief valve is denoted as P1, the discharge pressure of the second pressure relief valve is denoted as P2, and P2 is greater than P1.
In a preferred scheme, an exhaust pipe is fixed on the outer wall of the retraction sleeve, one end of the exhaust pipe penetrates through the pressure cavity and extends into the retraction cavity, and a filter element is assembled in the exhaust pipe.
In a preferred scheme, the suction nozzle, receive and release the telescopic outside and all seted up the edging face, deposit the inside of chamber and constant head tank and all seted up the rotation-stopping face with edging face looks adaptation.
In a preferred embodiment, the driving part includes a driving element and a flange plate, the driving element is located on one side of the quick-change box, the flange plate is fixed on the output end of the driving element, and the driving element is fixedly connected with the quick-change box.
In a preferred scheme, still include position control portion, position control portion includes support frame, first cylinder, second cylinder and two keysets, the support frame is fixed in the upper end of frame assembly, first cylinder is fixed in one side of support frame, the second cylinder is fixed in the output of first cylinder, two the keysets all is fixed in the output of second cylinder, wherein, one keyset and drive element fixed connection, just flange board and this keyset rotate to be connected, another keyset and air supply pipe fixed connection.
In a preferred scheme, an identification area is arranged on the suction nozzle, an information code is sprayed inside the identification area, a plurality of coding areas are formed in the outer side of the quick-change box, serial numbers are sprayed inside the coding areas, and the coding areas correspond to the storage cavities one by one.
In a preferable scheme, a sealing sleeve is fixed at the lower end of the vent hole, and the outer side of the annular guide boss is attached to the sealing sleeve.
The invention has the technical effects that:
according to the suction nozzle replacement device, the air pressure in the storage cavity is adjusted, so that the retraction assembly runs, the suction nozzle can be efficiently taken down and installed according to the change of the air pressure and the matching of the pneumatic clamping assembly and the retraction assembly, the suction nozzle does not need to be manually replaced when the suction nozzle is replaced, the suction nozzle replacement efficiency is improved, the consumed time is reduced, and the LED chip mounting efficiency is improved;
after the suction nozzle is installed and the clamping of the positioning rod on the suction nozzle is released, the surface of the conical rod at the lower end of the suction nozzle is cleaned through the airflow sprayed by the second pressure release valve, so that the suction nozzle is prevented from being blocked due to the fact that dust and sundries are adsorbed at the lower end of the suction nozzle;
according to the invention, after the surface of the suction nozzle is cleaned by the second pressure release valve, the gas in the retraction cavity flows to the outside of the retraction sleeve through the exhaust pipe, and dust and impurities can be filtered and collected through the filter element in the exhaust pipe, so that secondary pollution of the dust to the suction nozzle is avoided;
the invention can record the storage position of each suction nozzle by matching the number sprayed inside the coding region with the information code sprayed inside the identification region, is convenient for quickly taking the suction nozzle when the suction nozzle is replaced, and checks the model of the suction nozzle by the information code on the suction nozzle, thereby avoiding the type selection error.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a rear view of the overall structure of the present invention;
FIG. 3 is a schematic structural view of the electrical slip ring assembly and the pneumatic clamping assembly of the present invention;
FIG. 4 is a schematic structural view of the quick change cassette and the position regulating portion of the present invention;
FIG. 5 is a rear view showing the construction of the quick-change cassette and the position regulating portion of the present invention;
FIG. 6 is a schematic view of the construction of the cassette and drive section of the present invention;
FIG. 7 is an enlarged view of a portion of the invention at A in FIG. 6;
FIG. 8 is an exploded pictorial illustration of the construction of the cassette and drive section of the present invention;
FIG. 9 is a sectional view of the interior of the quick-change cassette of the present invention;
FIG. 10 is a left side sectional view of the interior construction of the quick-change cassette of the present invention;
FIG. 11 is an enlarged view of a portion of the invention at B in FIG. 10;
FIG. 12 is a schematic overall construction of the retraction assembly of the present invention;
FIG. 13 is a schematic view of the interior of the retraction assembly of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
10. a frame assembly; 11. a bond head assembly; 12. an electrical slip ring assembly; 13. a multi-station turntable; 14. a pneumatic clamping assembly; 15. a suction nozzle; 16. an identification area;
20. quickly replacing the box; 21. an annular guide groove; 22. a storage chamber; 23. a vent hole; 24. a gas supply pipe; 25. a gas circuit joint; 26. an annular guide boss; 27. sealing the sleeve; 28. a coding region;
30. a retraction assembly; 31. retracting and releasing the sleeve; 32. a first pressure relief valve; 33. a second pressure relief valve; 34. positioning a rod; 35. a reset element; 36. an exhaust pipe; 37. a rubber plug; 38. a retraction cavity; 39. a pressure chamber;
40. a drive section; 41. a drive element; 42. a flange plate;
50. a position adjusting section; 51. a support frame; 52. a first cylinder; 53. a second cylinder; 54. an adapter plate.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one preferred embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and for convenience of illustration, the cross-sectional views illustrating the device structures of the embodiments of the present invention are not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1-3 and fig. 6-11, a first embodiment of the present invention provides a micro-macro pixel die bonder for chip mounting, which includes a rack assembly 10, a bond head assembly 11, an electrical slip ring assembly 12, a multi-station turntable 13, and a plurality of pneumatic clamping assemblies 14, wherein the bond head assembly 11 is assembled at the upper end of the rack assembly 10, the electrical slip ring assembly 12 is assembled at the upper end of the bond head assembly 11, the multi-station turntable 13 is assembled at the lower end of the electrical slip ring assembly 12 and is located inside the bond head assembly 11, the plurality of pneumatic clamping assemblies 14 are annularly distributed at the outer side of the multi-station turntable 13, and identification elements are disposed at the lower ends of the pneumatic clamping assemblies 14, and the micro-macro pixel die bonder further includes:
the quick-change box 20 is positioned at the upper end of the rack assembly 10, an annular guide groove 21 and a plurality of storage cavities 22 are formed in the quick-change box 20, the plurality of storage cavities 22 are annularly distributed on the outer side of the annular guide groove 21, a vent hole 23 is formed between the annular guide groove 21 and the storage cavities 22, the annular guide groove 21 is communicated with the storage cavities 22 through the vent hole 23, a suction nozzle 15 is assembled in the storage cavity 22, a conical rod is arranged at the lower end of the suction nozzle 15, an air supply pipe 24 is rotatably connected in the annular guide groove 21, an air passage connector 25 is fixed at one end of the air supply pipe 24, an annular guide boss 26 is arranged on the outer side of the air supply pipe 24, the annular guide boss 26 is matched with the annular guide groove 21, and an air guide hole is formed in the air supply pipe 24 and penetrates through the annular guide boss 26;
the retracting and releasing assembly 30 is assembled inside the storage cavity 22, the suction nozzle 15 is positioned inside the retracting and releasing assembly 30, and at least one retracting and releasing assembly 30 is in an idle state;
the driving part 40, the driving part 40 is assembled on one side of the quick-change box 20, and is used for driving the quick-change box 20 to operate;
wherein, after one air vent 23 corresponds to the air guide hole, an air supply passage is formed by the cooperation of the air guide hole and the air vent 23, and the storage cavity 22 at the upper end of the air vent 23 is communicated with the air supply pipe 24 through the air supply passage.
Preferably, as shown in fig. 7, the suction nozzle 15 is provided with an identification area 16, an information code is sprayed inside the identification area 16, a plurality of coding areas 28 are formed on the outer side of the quick-change box 20, numbers are sprayed inside the coding areas 28, and the coding areas 28 correspond to the storage cavities 22 one by one.
Here, as shown in fig. 10 to 11, a sealing sleeve 27 is fixed to the lower end of the vent hole 23, and the outer side of the annular guide boss 26 is attached to the sealing sleeve 27, so that the sealing property of the air supply passage can be improved by the sealing sleeve 27, and the gas can be prevented from leaking out from the gap between the vent hole 23 and the air guide hole.
It should be noted that, an air supply element is used in conjunction with the air path connector 25, the air supply element is connected to the air path connector 25 through an air pipe, and the air supply element has both air supply and air exhaust functions, such as: the dual-purpose air pump is taken out and beat.
Specifically, in order to realize the intelligent operation of the device, a computer control module (not shown in the figure) is further arranged on the head assembly 11, the computer control module can control the operation of the electrical elements in the device, and the computer control module is composed of a hardware system and a software system, wherein the hardware system is at least composed of a program counter, an instruction register, an instruction decoder, a time sequence generator, an operation controller, a display element, a warning element and the like, can perform numerical calculation and logic calculation, has a memory function, and can automatically and high-speed process mass data according to the program operation.
Further, a plurality of storage chambers 22 and a plurality of retraction assemblies 30 are better distinguished, the plurality of storage chambers 22 being respectively named: 22-1, 22-2, 22-3, … …, 22-N, the plurality of retraction assemblies 30 are respectively named as: 30-1, 30-2, 30-3, … …, 30-N, and 30-1 is in an unloaded state.
In this embodiment, when the suction nozzle 15 needs to be replaced during the chip mounting process, the inputting of the replacement data of the suction nozzle 15 into the computer control module includes: information of a suction nozzle 15 to be detached and information of a suction nozzle 15 to be installed are obtained by starting an electric slip ring assembly 12 through a computer control module, driving a multi-station turntable 13 and a pneumatic clamping assembly 14 to rotate through the electric slip ring assembly 12, enabling the suction nozzle 15 to be replaced to rotate and stay at the upper end of a quick-change box 20, starting a driving part 40, driving the quick-change box 20 to rotate through the driving part 40, enabling a 30-1 in an idle state to rotate to the lower end of the pneumatic clamping assembly 14, starting a gas supply element, enabling gas to flow to the interior of the 22-1 through a gas path connector 25, a gas supply pipe 24 and a gas supply passage in sequence, enabling the 30-1 in the interior of the 22-1 to move upwards, after the 30-1 is attached to the suction nozzle 15 to be replaced, continuously inputting gas to the interior of the 22-1, enabling the pressure in the interior of the 22-1 to be increased, further enabling the suction nozzle 15 to be replaced to form clamping through the 30-1, simultaneously releasing clamping of the suction nozzle 15 to be replaced through the gas supply element in the interior of the pneumatic clamping assembly 14, enabling the 30-1 to carry the suction nozzle 15 to be replaced downwards, and enabling the identification code of the identification information and the identification information to be conveniently calculated and stored in the computer control module, and the identification code of the corresponding suction nozzle 15;
the driving part 40 is started, so that the 22-2 rotates to the lower end of the pneumatic clamping component 14, the information code of the suction nozzle 15 positioned at the upper end of the 22-2 is identified through the identification element at the lower end of the pneumatic clamping component 14, if the information code of the suction nozzle 15 positioned at the upper end of the 22-2 is inconsistent with the input data, the checking is failed, the warning element gives a warning, if the information code of the suction nozzle 15 positioned at the upper end of the 22-2 is consistent with the input data, the checking is passed, the air supply element is started, air is input into the 22-2, so that the 30-2 moves upwards, the suction nozzle 15 moves into the pneumatic clamping component 14, the pneumatic clamping component 14 is started, the pneumatic clamping component 14 clamps the suction nozzle 15, the 22-2 is continuously inflated, the 30-2 is operated, the clamping on the suction nozzle 15 is released, the air in the suction nozzle 15 is extracted through the air supply element, the 30-2 moves downwards, the replacement process of the suction nozzle 15 is completed, the device is convenient for replacing the suction nozzle 15 without manual replacement, meanwhile, the number sprayed inside of the coding region 28 and the replacement code 16 in the identification region are matched with the storage code, the storage position of the information of the suction nozzle 15, the type of the suction nozzle 15 can be quickly checked, and the type of the suction nozzle 15 can be quickly, and the type of the suction nozzle 15 can be prevented from being selected, and the type of the type 15, and the type of the suction nozzle 15 can be quickly, and the type of the suction nozzle 15 is conveniently selected.
In order to further understand and explain the process of clamping the suction nozzle 15 by the retracting assembly 30, please refer to fig. 12-13, the retracting assembly 30 includes a retracting sleeve 31, a first pressure release valve 32, a second pressure release valve 33, a positioning rod 34, a reset element 35 and an exhaust pipe 36, the retracting assembly 30 is slidably connected to the inside of the storage cavity 22, a retracting cavity 38 and a pressure cavity 39 are formed in the retracting assembly 30, the pressure cavity 39 is located outside the retracting cavity 38, a positioning groove is formed in the upper end of the retracting cavity 38, the suction nozzle 15 is movably assembled inside the positioning groove, the first pressure release valve 32 is fixed at the lower end inside the pressure cavity 39, the second pressure release valve 33 is fixed on the inner wall of the pressure cavity 39, the positioning rod 34 is slidably connected to the inside of the pressure cavity 39, a clamping hole matched with the positioning rod 34 is formed in the outside of the suction nozzle 15, the reset element 35 is assembled between the positioning rod 34 and the retracting sleeve 31, the exhaust pipe 36 is fixed on the outer wall of the retracting sleeve 31, and one end of the exhaust pipe 36 penetrates through the pressure cavity 39 and extends to the inside of the retracting cavity 38.
Preferably, the conical rod at the lower end of the suction nozzle 15 is located in the extending direction of the output end of the second pressure relief valve 33, and when the air in the pressure chamber 39 is discharged through the second pressure relief valve 33, the discharged air flow can clean the dust adhered to the conical rod at the lower end of the suction nozzle 15, so as to avoid the blockage of the suction nozzle 15 caused by the dust adhered to the suction nozzle 15.
Here, the relief pressure of the first relief valve 32 is denoted as P1, the relief pressure of the second relief valve 33 is denoted as P2, and P2 is greater than P1.
It should be noted that the pressure relief valves are existing mature technologies, and have a characteristic of one-way flow, wherein the flow direction of the first pressure relief valve 32 is from the outside of the pressure chamber 39 to the inside of the pressure chamber 39, and the flow direction of the second pressure relief valve 33 is from the inside of the pressure chamber 39 to the inside of the storage chamber 38.
Furthermore, a rubber plug 37 is assembled at the lower end of the storage sleeve 31, a filter element is arranged in the exhaust pipe 36, and the filter element is arranged to collect and filter dust when the gas in the storage cavity 38 flows to the outside of the storage sleeve 31, so that secondary pollution of the dust to the suction nozzle 15 is avoided.
In the embodiment, when the suction nozzle 15 installed at the lower end of the pneumatic clamping assembly 14 needs to be removed in an empty state 30-1, the air supply element is used for charging air into the interior of the 22-1, so that the retractable sleeve 31 moves upwards, after the retractable sleeve 31 is attached to the suction nozzle 15, the air continues to be charged into the interior of the 22-1, so that the pressure in the interior of the 22-1 is increased, when the pressure in the interior of the 22-1 reaches P1, the first pressure release valve 32 is opened, so that the air in the interior of the 22-1 flows into the pressure chamber 39, the pressure in the interior of the pressure chamber 39 is further increased, the positioning rod 34 is pushed to move through the air pressure in the interior of the pressure chamber 39, after the positioning rod 34 is inserted into the clamping hole in the outer side of the suction nozzle 15, the pneumatic clamping assembly 14 is started, the clamping of the suction nozzle 15 by the pneumatic clamping assembly 14 is released, the air supply element is operated reversely, the air in the interior of the 22-1 is extracted, so that the retractable sleeve 31 carries the suction nozzle 15 to move downwards, and the suction nozzle 15 at the lower end of the pneumatic clamping assembly 14 is removed;
the driving part 40 is started, the driving part 40 drives the quick change box 20 to rotate, the suction nozzle 30-2 moves to the lower end of the pneumatic clamping assembly 14, the air supply element is started to inflate the inside of the suction nozzle 22-2, the storage sleeve 31 in the inside of the suction nozzle 22-2 drives the suction nozzle 15 at the upper end of the storage sleeve to move upwards, after the suction nozzle 15 is inserted into the pneumatic clamping assembly 14, the pneumatic clamping assembly 14 is started to clamp the suction nozzle 15, the air pressure in the inside of the suction nozzle 22-2 is continuously inflated to the inside of the suction nozzle 22-2, the air pressure in the inside of the suction nozzle 22-2 is increased, when the air pressure in the inside of the pressure chamber 22-2 reaches P2, the second pressure relief valve 33 is opened, the air pressure in the inside of the pressure chamber 39 starts to be reduced, the positioning rod 34 starts to be reset under the action of the reset element 35, when the positioning rod 34 is separated from a clamping hole in the outside of the suction nozzle 15, the clamping on the suction nozzle 15 is released, meanwhile, the air in the positioning rod 34 sprays to the pressure in the suction nozzle 15 to filter the dust, the dust and the dust collecting sleeve 36 and the dust collecting pipe 15.
The suction nozzle 15, receive and release the outside of sleeve 31 and all seted up the edging face, deposit the inside of chamber 22 and constant head tank and all seted up the rotation-stopping face with edging face looks adaptation.
In this embodiment, by the cooperation of the edge cutting surface and the rotation stopping surface, the rotation of the storage sleeve 31 and the suction nozzle 15 can be prevented when the storage sleeve 31 slides inside the storage cavity 22 and when the suction nozzle 15 slides inside the positioning groove.
To further understand and explain the process of the driving part 40 driving the quick-change box 20 to rotate, taking fig. 6 and 8 as an example, the driving part 40 includes a driving element 41 and a flange plate 42, the driving element 41 is located at one side of the quick-change box 20, the flange plate 42 is fixed at the output end of the driving element 41, and the driving element 41 is fixedly connected with the quick-change box 20.
Further, drive element 41 is air motor, motor or other components that possess drive function, and drive element 41 has auto-lock characteristic and step function, through drive element 41 that has auto-lock characteristic, at the in-process of dismouting suction nozzle 15, can avoid quick change box 20 to take place to rotate, through drive element 41's step function, angle when can making quick change box 20 rotate can be regulated and control according to the user demand, specifically, step function means, drive element 41's output shaft is pivoted step angle at every turn is the same.
In this embodiment, the driving element 41 is started, so that the output end of the driving element 41 rotates, the driving element 41 drives the flange plate 42 to rotate through the fixed connection between the driving element 41 and the flange plate 42, the flange plate 42 drives the quick-change box 20 to rotate through the fixed connection between the flange plate 42 and the quick-change box 20, and the driving element 41 drives the quick-change box 20 to rotate in the process of replacing the suction nozzle 15.
Example 2
Referring to fig. 4-5, a second embodiment of the present invention provides an automatic nozzle changing device for a die bonder, which further includes a position adjusting portion 50, the position adjusting portion 50 includes a supporting frame 51, a first cylinder 52, a second cylinder 53 and two adapter plates 54, the supporting frame 51 is fixed at an upper end of the frame assembly 10, the first cylinder 52 is fixed at one side of the supporting frame 51, the second cylinder 53 is fixed at an output end of the first cylinder 52, and the two adapter plates 54 are both fixed at an output end of the second cylinder 53, wherein one adapter plate 54 is fixedly connected to the driving element 41, the flange plate 42 is rotatably connected to the adapter plate 54, and the other adapter plate 54 is fixedly connected to the air supply pipe 24.
In this embodiment, when the suction nozzle 15 needs to be replaced, the first cylinder 52 is started to move the output end of the first cylinder 52, the first cylinder 52 drives the second cylinder 53 to move in the vertical direction through the fixed connection between the first cylinder 52 and the second cylinder 53, the second cylinder 53 is started to move the output end of the second cylinder 53, the second cylinder 53 drives the adapter plate 54 to move in the horizontal direction through the fixed connection between the second cylinder 53 and the adapter plate 54, and further through the matching between the first cylinder 52 and the second cylinder 53, the spatial position of the adapter plate 54 is adjusted, and further, the adapter plate 54 drives the quick-change box 20 to move, so that the quick-change box 20 moves to the lower end of the pneumatic clamping assembly 14, the air supply source is started, and the suction nozzle 15 is replaced through the matching between the retraction assembly 30 and the driving portion 40.
The working principle of the invention is as follows:
when the suction nozzle 15 needs to be replaced in the chip mounting process, inputting the replacement data of the suction nozzle 15 into the computer control module comprises the following steps: the method comprises the steps of starting a position adjusting part 50, adjusting the spatial direction of a quick-change box 20 through the position adjusting part 50, starting an electric slip ring component 12 through a computer control module, driving a multi-station turntable 13 and a pneumatic clamping component 14 to rotate through the electric slip ring component 12, enabling a suction nozzle 15 to be replaced to rotate and stay at the upper end of the quick-change box 20, starting a driving part 40, driving the quick-change box 20 to rotate through the driving part 40, enabling a retraction component 30 in an idle state to rotate to the lower end of the suction nozzle 15, starting an air supply component, clamping the suction nozzle 15 to be detached through the retraction component 30 in the idle state, taking down the suction nozzle 15, starting the driving part 40, enabling the suction nozzle 15 to be mounted to rotate to the lower end of the pneumatic clamping component 14, starting the air supply component, mounting the suction nozzle 15 to be mounted through the matching of the retraction component 30 and the pneumatic clamping component 14, and simultaneously cleaning a conical rod 15 when the retraction component 30 is mounted and the suction nozzle 15 is removed, so as to avoid dust and impurities from the surface of the lower end of the suction nozzle 15 from the suction nozzle 15.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.
Claims (10)
1. The utility model provides a die bonder is with automatic change suction nozzle device, includes frame assembly (10), nation head assembly (11), electric slip ring subassembly (12), multistation carousel (13) and a plurality of pneumatic centre gripping subassembly (14), nation head assembly (11) assembles the upper end in frame assembly (10), electric slip ring subassembly (12) assemble the upper end in nation head assembly (11), multistation carousel (13) assemble in the lower extreme of electric slip ring subassembly (12) and be located nation head assembly (11) inside, a plurality of pneumatic centre gripping subassembly (14) annular distribution is in the outside of multistation carousel (13), its characterized in that: the lower extreme of pneumatic centre gripping subassembly (14) all is provided with identification element, still includes:
the quick-change box (20) is located at the upper end of the rack assembly (10), an annular guide groove (21) and a plurality of storage cavities (22) are formed in the quick-change box (20), the storage cavities (22) are annularly distributed on the outer side of the annular guide groove (21), vent holes (23) are formed between the annular guide groove (21) and the storage cavities (22), the annular guide groove (21) and the storage cavities (22) are communicated through the vent holes (23), a suction nozzle (15) is assembled in the storage cavity (22), an air supply pipe (24) is rotatably connected in the annular guide groove (21), an air passage joint (25) is fixed at one end of the air supply pipe (24), an annular guide boss (26) is arranged on the outer side of the air supply pipe (24), the annular guide boss (26) is matched with the annular guide groove (21), an air guide hole is formed in the air supply pipe (24), and the air guide hole penetrates through the annular guide boss (26);
the retractable assembly (30), the retractable assembly (30) is assembled inside the storage cavity (22), the suction nozzle (15) is positioned inside the retractable assembly (30), and at least one retractable assembly (30) is in an idle state;
the driving part (40) is assembled at one side of the quick-change box (20) and used for driving the quick-change box (20) to operate;
when one vent hole (23) corresponds to the air guide hole, an air supply passage is formed by matching the air guide hole and the vent hole (23), and the storage cavity (22) positioned at the upper end of the vent hole (23) is communicated with the air supply pipe (24) through the air supply passage.
2. The automatic nozzle replacing device for the die bonder as claimed in claim 1, wherein: the folding and unfolding component (30) comprises a folding and unfolding sleeve (31), a first pressure release valve (32), a second pressure release valve (33), a positioning rod (34) and a reset element (35), the folding and unfolding component (30) is connected to the inside of the storage cavity (22) in a sliding mode, a folding and unfolding cavity (38) and a pressure cavity (39) are formed in the folding and unfolding component (30), the pressure cavity (39) is located on the outer side of the folding and unfolding cavity (38), a positioning groove is formed in the upper end of the folding and unfolding cavity (38), the suction nozzle (15) is movably assembled inside the positioning groove, the first pressure release valve (32) is fixed to the lower end of the inner portion of the pressure cavity (39), the second pressure release valve (33) is fixed to the inner wall of the pressure cavity (39), the positioning rod (34) is connected to the inner portion of the pressure cavity (39) in a sliding mode, a clamping hole matched with the positioning rod (34) is formed in the outer side of the suction nozzle (15), and the reset element (35) is assembled between the positioning rod (34) and the folding and unfolding sleeve (31).
3. The automatic nozzle replacing device for the die bonder as claimed in claim 2, wherein: the lower end of the suction nozzle (15) is provided with a conical rod, and the conical rod is located in the extending direction of the output end of the second pressure release valve (33).
4. The automatic nozzle replacing device for the die bonder as claimed in claim 2, wherein: the discharge pressure of the first pressure relief valve (32) is recorded as P1, the discharge pressure of the second pressure relief valve (33) is recorded as P2, and the P2 is larger than the P1.
5. The automatic nozzle replacing device for the die bonder as claimed in claim 2, wherein: an exhaust pipe (36) is fixed on the outer wall of the retraction sleeve (31), one end of the exhaust pipe (36) penetrates through the pressure cavity (39) and extends into the retraction cavity (38), and a filter element is assembled in the exhaust pipe (36).
6. The automatic nozzle replacing device for the die bonder as claimed in claim 2, wherein: the suction nozzle (15), receive and release the outside of sleeve (31) and all seted up the edging face, deposit the inside of chamber (22) and constant head tank and all seted up the face of splining with edging face looks adaptation.
7. The automatic nozzle replacing device for the die bonder as claimed in claim 1, wherein: the driving part (40) comprises a driving element (41) and a flange plate (42), the driving element (41) is located on one side of the quick-change box (20), the flange plate (42) is fixed on the output end of the driving element (41), and the driving element (41) is fixedly connected with the quick-change box (20).
8. The automatic nozzle replacing device for the die bonder as claimed in claim 7, wherein: still include position control portion (50), position control portion (50) are including support frame (51), first cylinder (52), second cylinder (53) and two keysets (54), support frame (51) are fixed in the upper end of frame assembly (10), first cylinder (52) are fixed in one side of support frame (51), second cylinder (53) are fixed in the output of first cylinder (52), two keysets (54) all are fixed in the output of second cylinder (53), wherein, one keysets (54) and drive element (41) fixed connection, just flange board (42) and this keysets (54) rotate to be connected, another keysets (54) and air supply pipe (24) fixed connection.
9. The automatic nozzle replacing device for the die bonder as claimed in claim 1, wherein: the quick-change storage box is characterized in that an identification area (16) is arranged on the suction nozzle (15), an information code is sprayed inside the identification area (16), a plurality of coding areas (28) are arranged on the outer side of the quick-change box (20), numbers are sprayed inside the coding areas (28), and the coding areas (28) correspond to the storage cavities (22) one to one.
10. The automatic nozzle replacing device for the die bonder as claimed in claim 1, wherein: and a sealing sleeve (27) is fixed at the lower end of the vent hole (23), and the outer side of the annular guide boss (26) is attached to the sealing sleeve (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310037183.3A CN115763355B (en) | 2023-01-10 | 2023-01-10 | Automatic suction nozzle replacing device for die bonder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310037183.3A CN115763355B (en) | 2023-01-10 | 2023-01-10 | Automatic suction nozzle replacing device for die bonder |
Publications (2)
| Publication Number | Publication Date |
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| CN115763355A CN115763355A (en) | 2023-03-07 |
| CN115763355B true CN115763355B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310037183.3A Active CN115763355B (en) | 2023-01-10 | 2023-01-10 | Automatic suction nozzle replacing device for die bonder |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116960046B (en) * | 2023-08-08 | 2024-03-01 | 芯朋半导体科技(如东)有限公司 | Suction and discharge mechanism for chip sorting machine and working method |
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| 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 |
| CN115249758A (en) * | 2022-09-22 | 2022-10-28 | 深圳市卓兴半导体科技有限公司 | Pixel die bonder |
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| JP2006012929A (en) * | 2004-06-23 | 2006-01-12 | Toshiba Corp | Method and apparatus of manufacturing component |
| KR20190102452A (en) * | 2018-02-26 | 2019-09-04 | 플러스이엔지 주식회사 | automatic filter changing device of CHEMICAL LIQUID SUPPLY SYSTEM |
| 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 |
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| CN115763355A (en) | 2023-03-07 |
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