Single-rail silicon wafer basket collecting machine
Technical Field
The invention relates to the technical field of wafer collection baskets, in particular to a single-track silicon wafer collection basket machine.
Background
In the prior art, the slicing and the basket collecting of the wafer are manually carried out, and the wafer is easy to collide with a tool and the wafer during the manual carrying, slicing and basket collecting processes of the wafer, so that the wafer is subjected to corner missing or wafer breaking, the slicing rate is increased, and the production yield of the semiconductor wafer is influenced; in-process of repacking is carried out in the manual work, and not only the recruitment is in large quantity, and the cost of labor is high, and the dress basket operation is wasted time and energy moreover, and long-time letter sorting operation easily causes the operating personnel fatigue, also waste time simultaneously, dress basket inefficiency causes the production efficiency and the qualification rate decline of silicon chip.
Disclosure of Invention
The invention aims to provide a single-rail silicon wafer basket collecting machine to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a single-rail silicon wafer basket collecting machine comprises a rack, wherein a material discharging mechanism, a conveying mechanism, a carrying mechanism and a basket charging assembly are arranged above the rack, the conveying mechanism comprises a conveyor, a supporting leg, a material collecting box, a material blocking rod, a material blocking cylinder, a first motor, a material pushing cylinder and a material pushing block, the conveyor is fixed on the supporting leg and driven by the first motor, the material collecting box is obliquely arranged on the outer side of the middle section of the conveyor, the material blocking rod is connected with the material blocking cylinder, the material blocking cylinder is fixed on the supporting leg and opposite to the material collecting box, the material pushing cylinder and the material pushing block are arranged above a conveying terminal of the conveyor, and the material pushing block is fixed on a piston rod of the material pushing cylinder;
the basket assembly comprises a circular rotating table, basket assembly components, adjusting grooves and an index plate, the circle center of the lower end of the rotating table is fixed at the output end of the index plate, a plurality of basket assembly components distributed in a circular array are placed at the upper end of the rotating table, the rotating table is also provided with the adjusting grooves with the same number as the basket assembly components, and the adjusting grooves are arranged below the basket assembly components;
a basket jacking module is arranged below the rotating table and used for adjusting the height of the basket assembly;
the discharging mechanism is used for storing wafers and arranged on one side of the transmission starting point of the transmission machine, the carrying mechanism is used for carrying the wafers to the transmission starting point of the transmission machine from the discharging mechanism, the transmission machine is used for conveying the wafers to the transmission end point, and the wafers are placed into the basket tool assembly through the material pushing cylinder, the material pushing block and the basket tool jacking module.
Preferably, basket utensil jacking module includes first mounting panel, the second mounting panel, the dead lever, the second motor, the screw rod, the screw thread seat, the jacking pole, jacking piece and electro-magnet, parallel arrangement about second mounting panel and the first mounting panel, be connected through the dead lever between it, the lower extreme fixed mounting of first mounting panel has the second motor, the motor shaft of second motor stretch out first mounting panel and with screw rod fixed connection, install the screw thread seat on the screw rod, install two jacking poles on the screw thread seat, the upper end of two jacking poles stretches out the second mounting panel and installs the lower extreme at the jacking piece, the electro-magnet is installed to the upper end of jacking piece.
Preferably, the discharging mechanism comprises an electric push rod, a fixed plate, positioning rods and a top plate, the electric push rod is installed below the fixed plate, the output end of the electric push rod penetrates through the fixed plate from bottom to top and is fixedly connected with the top plate, the fixed plate is fixed on the rack, the upper end of the fixed plate is fixedly provided with the positioning rods distributed in a circular array, the fixed plate is further symmetrically fixed with two installation rods, and air nozzles are fixed above the installation rods.
Preferably, the first carrying mechanism comprises a mounting box, a guide rail, a first air cylinder, a second air cylinder and a sucker, the mounting box is fixed at the upper end of the support leg, the support leg is fixed on the rack, the guide rail is arranged in the mounting box, the first air cylinder is fixed at the outer side of the mounting box, a piston rod of the first air cylinder extends into the mounting box and is fixedly connected with a sliding block, the sliding block is arranged on the guide rail in a left-right sliding mode, the second air cylinder is fixed at the outer side of the sliding block, a buffer is arranged on a motion path of the sliding block, and the sucker for adsorbing wafers is fixedly mounted on the piston rod of the second air cylinder.
Preferably, the basket tool assembly comprises a basket tool, a basket tool base and an adsorption block, a plurality of placing grooves used for storing wafers are formed in the basket tool, the lower end of the basket tool assembly is detachably fixed on the basket tool base, and the adsorption block capable of attracting the electromagnet is arranged at the lower end of the basket tool base.
Preferably, a protection seat is arranged on the outer side of the rotating platform, and a circular groove with the same outer diameter as the rotating platform is formed in the center of the protection seat.
Preferably, the lower end of the basket tool base is further provided with a positioning hole, and the jacking block is provided with a positioning bulge matched with the positioning hole.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the automatic wafer separating and collecting device, the discharging mechanism, the conveying mechanism, the carrying mechanism, the basket loading assembly and the basket jacking module are arranged, so that the wafer separating and collecting basket is automatically separated and collected, the labor amount is reduced, the labor cost is saved, the working efficiency is greatly improved, the yield of the wafer collecting basket can reach 1000 plus one 1200Pcs/H, the basket loading operation is time-saving and labor-saving, meanwhile, the stacking rate is less than 1%, meanwhile, the conveying mechanism and the carrying mechanism are adopted for carrying and collecting the basket, the errors caused by manpower are reduced, the collision probability is reduced, the fragment rate is less than 3 per thousand, the basket collecting quality is also ensured, and the automatic wafer separating and collecting device is suitable for popularization and application.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the overall structure of the present invention;
FIG. 3 is a rear side structural view of the overall structure of the present invention;
FIG. 4 is a schematic structural view of a discharging mechanism of the present invention;
FIG. 5 is a schematic view of the conveying mechanism of the present invention;
FIG. 6 is a rear side view of the conveying mechanism of the present invention;
FIG. 7 is a schematic structural view of a carrying mechanism according to the present invention;
FIG. 8 is a schematic structural view of a basket loading assembly and a basket lifting module according to the present invention;
FIG. 9 is a schematic view of the basket assembly of the present invention;
FIG. 10 is a schematic view of the basket assembly of the present invention;
FIG. 11 is a schematic view of a basket jacking module according to the present invention.
In the figure: the device comprises a machine frame 1, a discharging mechanism 2, an electric push rod 21, a fixing plate 22, a positioning rod 23, a mounting rod 24, an air nozzle 25, a top plate 26, a conveying mechanism 3, a conveyor 31, a support leg 32, a material receiving box 33, a material blocking rod 34, a material blocking cylinder 35, a first motor 36, a material pushing cylinder 37, a material pushing block 38, a carrying mechanism 4, a mounting box 41, a guide rail 42, a first cylinder 43, a second cylinder 44, a suction cup 45, a support leg 46, a buffer 47, a basket assembly 5, a rotating platform 51, a basket assembly 52, a basket tool 521, a placing groove 522, a basket tool base 523, an adsorption block 524, a positioning hole 525, an adjusting groove 53, a dividing plate 54, a protective seat 6, a wafer 7, a basket tool jacking module 8, a first mounting plate 81, a second mounting plate 82, a fixing rod 83, a second motor 84, a screw rod 85, a threaded seat 86, a jacking rod 87, a jacking block 88, an electromagnet 89 and a positioning bulge 810.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-11, the present invention provides a technical solution:
a single-rail silicon wafer basket collecting machine comprises a rack 1, wherein a discharging mechanism 2, a conveying mechanism 3, a carrying mechanism 4 and a basket loading assembly 5 are arranged above the rack 1.
The discharging mechanism 2 is used for storing the wafer 7, and is arranged on one side of a transmission starting point of the transmission machine 31, the discharging mechanism 2 comprises an electric push rod 21, a fixing plate 22, a positioning rod 23 and a top plate 26, the electric push rod 21 is arranged below the fixing plate 22, an output end of the electric push rod 21 penetrates through the fixing plate 22 from bottom to top and is fixedly connected with the top plate 26, the fixing plate 22 is fixed on the rack 1, a plurality of positioning rods 23 distributed in a circular array are fixedly arranged at the upper end of the fixing plate 21, two mounting rods 24 are symmetrically fixed on the fixing plate 22, and an air nozzle 25 is fixed above the mounting rods 24. The wafer 7 is placed on the top plate 26, the position of the wafer 7 is restrained by the four positioning rods 23, air is blown to the uppermost wafer 7 through the air nozzle 25, the sucking disc 45 only sucks one wafer 7 at a time, the top plate 26 is pushed to ascend through the electric push rod 21, the uppermost wafer 7 is always at the same height, and the carrying mechanism 4 is convenient to carry.
The carrying mechanism 4 is used for carrying the wafer 7 from the discharging mechanism 2 to a transmission starting point of the conveyor 31, the first carrying mechanism 4 comprises a mounting box 41, a guide rail 42, a first air cylinder 43, a second air cylinder 44 and a suction cup 45, the mounting box 41 is fixed at the upper end of the supporting leg 46, the supporting leg 46 is fixed on the rack 1, the guide rail 42 is arranged in the mounting box 41, the first air cylinder 43 is fixed at the outer side of the mounting box 41, a piston rod of the first air cylinder extends into the mounting box 41 and is fixedly connected with a sliding block, the sliding block is slidably mounted on the guide rail 42 left and right, the second air cylinder 44 is fixed at the outer side of the sliding block, a buffer 47 is arranged on a moving path of the sliding block, and the suction cup 45 used for adsorbing the wafer 7 is fixedly mounted on the piston rod of the second air cylinder 44.
The conveying mechanism 3 comprises a conveyor 31, supporting legs 32, a material receiving box 33, a material blocking rod 34, a material blocking cylinder 35, a first motor 36, a material pushing cylinder 37 and a material pushing block 38, the conveyor 31 is fixed on the supporting legs 32 and driven by the first motor 36, the material receiving box 33 is obliquely arranged on the outer side of the middle section of the conveyor 31, the material blocking rod 34 is connected with the material blocking cylinder 35, the material blocking cylinder 35 is fixed on the supporting legs 32 and is opposite to the material receiving box 33, the material pushing cylinder 37 and the material pushing block 38 are arranged above a transmission terminal of the conveyor 31, and the material pushing block 38 is fixed on a piston rod of the material pushing cylinder 37.
The wafer 7 carrying mechanism 4 carries the wafer 7 to the starting point of the conveyor 31, during the process of conveying the wafer 7 from the starting point to the end point, whether the wafer 7 is single or double is detected through a sensor, if the wafer 7 is double or multiple, the material blocking cylinder 35 extends out to drive the material blocking rod 34 to ascend, the lower wafer 7 is blocked, two or more than two wafers 7 which are overlapped together are separated, redundant wafers enter the material receiving box 33, the uppermost wafer 7 is continuously conveyed, and only one wafer 7 is transferred to the right end of the conveyor 31 at each time.
The basket assembly 5 comprises a circular rotating platform 51, basket assembly 52, adjusting grooves 53 and an indexing disc 54, the circle center of the lower end of the rotating platform 51 is fixed at the output end of the indexing disc 54, a plurality of basket assembly 52 distributed in a circular array are placed at the upper end of the rotating platform 51, the rotating platform 51 is also provided with the adjusting grooves 53 with the same number as the basket assembly 52, and the adjusting grooves 53 are arranged below the basket assembly 52, in the embodiment, the basket assembly 52 is provided with 6.
The lower part of the rotating platform 51 is further provided with a basket jacking module 8, and the basket jacking module 8 is used for adjusting the height of the basket assembly 52.
Basket utensil jacking module 8 includes first mounting panel 81, second mounting panel 82, dead lever 83, second motor 84, screw rod 85, screw thread seat 86, jacking rod 87, jacking piece 88 and electro-magnet 89, parallel arrangement about second mounting panel 82 and the first mounting panel 81, be connected through dead lever 83 between it, the lower extreme fixed mounting of first mounting panel 81 has second motor 84, the motor shaft of second motor 84 stretch out first mounting panel 81 and with screw rod 85 fixed connection, install screw thread seat 86 on the screw rod 85, install two jacking rods 87 on the screw thread seat 86, the upper end of two jacking rods 87 stretches out second mounting panel 82 and installs the lower extreme at jacking piece 88, electro-magnet 89 is installed to the upper end of jacking piece 88.
Basket utensil subassembly 52 includes basket utensil 521, basket utensil base 523, adsorbs piece 524, offers a plurality of standing groove 522 that is used for depositing wafer 7 on the basket utensil 521, and its lower extreme can be dismantled and fix on basket utensil base 523, and the lower extreme of basket utensil base 523 is provided with the piece 524 that adsorbs that can inhale mutually with electro-magnet 89, and basket utensil base 523 is greater than adjustment tank 53, in this embodiment: the adsorption block 524 is an iron block.
The conveyor 31 conveys the wafer 7 to a conveying end point, a part of the wafer 7 enters the placing groove 522 of the basket 521, then the second motor 84 is started, the second motor 84 rotates to drive the screw 85 to rotate, so that the jacking block 88 is driven to ascend through the threaded seat 86 and the two jacking rods 87, the jacking block 88 ascends to drive the basket 521 to ascend for a distance, the distance is the distance between the two placing grooves 522, then the material pushing cylinder 37 is started, and the piston rod of the material pushing cylinder 37 stretches out to drive the material pushing block 38 to push the wafer 7 into the basket 521; when a basket 521 is full of wafers 7, the second motor 84 of the basket jacking module 8 rotates reversely to drive the basket 521 to reset, after the basket 521 resets, the electromagnet 89 is closed, the jacking block 88 is separated from the basket base 523, the index plate 54 is started to drive the rotating table 51 to rotate by 60 degrees, so that the next empty basket 521 is opposite to the conveyor 31, and then the basket is collected through the emptying mechanism 2, the conveying mechanism 3, the carrying mechanism 4 and the basket jacking module 8; the basket collecting machine stops until all the baskets 521 are full.
The outer side of the rotating platform 51 is provided with a protection seat 6, a circular groove with the same outer diameter as the rotating platform 51 is formed in the center of the protection seat 6, and the protection seat 6 protects parts below the rotating platform 51 from water, dust and the like and restricts the rotation of the rotating platform 51.
The lower end of the basket tool base 523 is further provided with a positioning hole 525, and the jacking block 88 is provided with a positioning bulge 810 matched with the positioning hole 525, so that positioning is facilitated.
The working principle of the invention is as follows:
according to the invention, the automatic slicing and basket collection of the wafer 7 is realized through the arrangement of the discharging mechanism 2, the conveying mechanism 3, the carrying mechanism 4, the basket loading assembly 5 and the basket jacking module 8, the labor amount is reduced, the labor cost is saved, the working efficiency is greatly improved, the basket collection capacity of the wafer 7 reaches 1000 plus 1200Pcs/H, and the basket loading operation is time-saving and labor-saving. The lamination rate is reduced by arranging the air nozzle 25 and the material blocking rod 34, the lamination rate is less than 1 percent, the fragment rate is less than 3 thousandths, the basket collecting quality is also ensured, and the method is suitable for popularization and application.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.