CN111843967A - Liftable silicon chip storage device - Google Patents
Liftable silicon chip storage device Download PDFInfo
- Publication number
- CN111843967A CN111843967A CN202010807527.0A CN202010807527A CN111843967A CN 111843967 A CN111843967 A CN 111843967A CN 202010807527 A CN202010807527 A CN 202010807527A CN 111843967 A CN111843967 A CN 111843967A
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- China
- Prior art keywords
- liftable
- storage device
- water tank
- silicon wafer
- frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
- B25H3/04—Racks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
The invention discloses a liftable silicon wafer storage device, which comprises a frame, a lifting platform arranged on the frame, a storage box arranged on the lifting platform and used for storing silicon wafers, and a power device arranged at the bottom of the lifting platform and used for lifting the lifting platform, wherein the power device comprises a speed reducing motor fixedly arranged at the bottom of the lifting platform, a gear connected with a motor shaft of the speed reducing motor, and a rack arranged on the frame and meshed with the gear, the speed reducing motor drives the gear to rotate, and the lifting of the lifting platform is realized through the matching of the rack, so that the lifting of the storage box is realized, the device can store silicon wafers ground by a grinding machine, can clean residual grinding fluid on the silicon wafers, can automatically count the number of the silicon wafers, can realize semi-automatic cleaning, downward transportation and quick counting of the silicon wafers stored in the device after being processed by the grinding machine, and can finish multi-step work at one time, the production efficiency is greatly improved, the labor cost is reduced, errors caused by manual counting are reduced, and the automatic counting machine is suitable for popularization.
Description
Technical Field
The invention belongs to the technical field of silicon wafer processing, and particularly relates to a liftable silicon wafer storage device.
Background
The semiconductor grinding machine equipment is limited by the function of the equipment, so that the whole height of the equipment is high, a person needs to take and place a silicon wafer on a platform with a certain height, and grinding fluid is adhered to the silicon wafer and needs to be cleaned.
Among the prior art, the silicon chip that has processed is placed in the case, and when needs, the manual work is carried from the eminence and is got off, and the rethread washs, makes the silicon chip that has processed convert the silicon chip that is available on next step, and eminence handling process can take place to collide with unavoidably, causes the silicon chip cracked, waits for abluent time simultaneously and can slow down production efficiency, increases staff's work burden.
Accordingly, further developments and improvements are still needed in the art.
Disclosure of Invention
Aiming at various defects in the prior art, in order to solve the problems, the liftable silicon wafer storage device is provided, can realize automatic transfer of the silicon wafer from a high place, and can directly clean the silicon wafer in the storage process, so that the production efficiency is improved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a liftable silicon chip storage device, its includes the frame, set up the elevating platform on the frame, set up the bin that is used for saving the silicon chip on the elevating platform and set up in the power device that the elevating platform bottom is used for the lifting elevating platform, power device including fixed gear motor who sets up in the elevating platform bottom, with gear motor hub connection's gear, and set up on the frame with gear engagement's rack, gear motor drives the gear and rotates, realizes the lift of elevating platform through the cooperation of rack to realize the lift of bin.
Preferably, the frame comprises a frame body consisting of a cross rod and a vertical rod, and a back plate arranged on the same side of the rack on the frame body, wherein the back plate is provided with a guide rail.
Preferably, the guide rails are arranged in two numbers, the two guide rails are respectively vertically arranged at two edges of the back plate, and the sliding blocks are arranged at the positions, corresponding to the guide rails, of the lifting platform.
Preferably, the frame further comprises angle iron slideways arranged on the vertical rods on the corresponding sides of the back plate.
Preferably, the angle steel slide ways are two, the two angle steel slide ways are respectively vertically arranged on the vertical rod, and pulleys are arranged at the positions, corresponding to the angle steel slide ways, of the lifting platform.
Preferably, the storage box comprises a water tank body, a water tank cover arranged at the top of the water tank body, a clamping box arranged inside the water tank body and used for placing the silicon wafer, a liquid discharge port arranged at the bottom of the water tank body, and a liquid discharge pipe connected with the liquid discharge port.
Preferably, the card box is a cuboid structure with an uncovered upper end, through holes are formed in the side face and the bottom face of the card box, and the through holes are arranged in an array mode.
Preferably, the card box is provided with a plurality of card boxes, and the number of the silicon wafers stored in the plurality of card boxes is the same.
Preferably, the storage box further comprises a liquid inlet arranged on one side of the water tank body, and the highest height of the liquid level in the water tank body is higher than the height of the clamping box in the water tank body.
Has the advantages that:
the invention provides a liftable silicon wafer storage device, which can store silicon wafers ground by a grinding machine, can clean residual grinding fluid on the silicon wafers, can automatically count the number of the silicon wafers, can semi-automatically clean the silicon wafers stored in the device after being processed by the grinding machine, can be transported downwards and can be rapidly counted, can finish multi-step work at one time, greatly improves the production efficiency, reduces the labor cost and errors caused by manual counting, and is suitable for popularization.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a liftable silicon wafer storage device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a liftable silicon wafer storage device without a storage box and a protective cover according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a storage box of a liftable silicon wafer storage device according to an embodiment of the present invention.
In the drawings: 100 frames, 110 protective covers, 120 back plates, 130 guide rails, 140 angle iron slideways, 150 reinforcing rods, 160 horsewheel feet, 170 grippers, 200 lifting platforms, 300 storage boxes, 310 liquid discharge pipes, 320 water tank bodies, 330 water tank covers, 410 speed reduction motors and 420 racks.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following description of the technical solutions of the present invention with reference to the accompanying drawings of the present invention is made clearly and completely, and other similar embodiments obtained by a person of ordinary skill in the art without any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.
As shown in fig. 1-3, the invention provides a silicon wafer storage device capable of lifting, which includes a frame 100, a lifting platform 200 disposed on the frame 100, a storage box 300 disposed on the lifting platform 200 for storing silicon wafers, and a power device disposed at the bottom of the lifting platform 200 for lifting the lifting platform 200, wherein the power device includes a speed reduction motor 410 fixedly disposed at the bottom of the lifting platform 200, a gear connected to a motor shaft of the speed reduction motor 410, and a rack 420 disposed on the frame 100 and engaged with the gear, the speed reduction motor 410 drives the gear to rotate, and the lifting platform 200 is lifted by the cooperation of the rack 420, so as to lift the storage box 300.
Specifically, the frame 100 includes a frame body composed of a cross bar and a vertical bar, and a back plate 120 disposed on the same side of the frame body as the rack 420, and the back plate 120 is provided with a guide rail 130.
Specifically, the number of the guide rails 130 is two, the two guide rails 130 are respectively vertically arranged at two edges of the back plate 120, and the sliding blocks are arranged at the positions of the lifting platform 200 corresponding to the guide rails 130.
Specifically, the frame 100 further includes an angle iron slideway 140 disposed on the side vertical rod corresponding to the back plate 130.
Specifically, the number of the angle iron slideways 140 is two, the two angle iron slideways 140 are respectively vertically arranged on the vertical rod, and pulleys are arranged at the positions, corresponding to the angle iron slideways 140, of the lifting platform 200.
Specifically, the storage box 300 includes a water tank body 320, a water tank cover 330 disposed on the top of the water tank body 320, a cassette disposed inside the water tank body 320 for placing silicon wafers, a liquid discharge port disposed at the bottom of the water tank body 320, and a liquid discharge pipe 310 connected to the liquid discharge port.
The card box is of a cuboid structure with an uncovered upper end, through holes are formed in the side face and the bottom face of the card box, the through hole array is arranged, cleaning liquid in the water box can smoothly enter the card box, and the silicon wafer in the card box is cleaned.
Specifically, the card boxes are arranged to be multiple, the number of the silicon wafers stored in the card boxes is the same, and the card boxes with the same specification are used because the specifications of the ground silicon wafers are uniform, so that the number of the silicon wafers loaded into each card box is the same, errors caused by the number of the silicon wafers in the manual technology are reduced, and the efficiency is improved.
According to the different sizes of the ground silicon wafers, a plurality of types of cartridges are arranged, in the preferred embodiment, the cartridges comprise three types, and the cartridges respectively correspond to 6-inch silicon wafers, 8-inch silicon wafers and 12-inch silicon wafers, and the cartridges are properly selected to be contained according to the sizes of the ground silicon wafers of the current grinding machine.
Specifically, the storage box 300 further includes a liquid inlet disposed at one side of the water tank 320, and the highest liquid level in the water tank 320 is higher than the height of the clamping box in the water tank 320.
In a preferred embodiment, the frame 100 further includes a fuma wheel foot 160, and the storage device can be freely moved to a position where a silicon wafer is required to be stored by the fuma wheel foot 160, and can be fixed, so that the storage device is prevented from being displaced due to vibration of the speed reduction motor 410, and storage of the silicon wafer is prevented from being affected.
In a preferred embodiment, the lower half part of the outer side of the frame 100 is provided with the protective cover 110, and the height of the protective cover 110 is higher than the height of the speed reducing motor 410 after the lifting table 200 is lifted to the maximum height, so that the speed reducing motor 410 is prevented from leaking out when the silicon wafer storage device operates, and accidental injury to people is avoided.
Specifically, the protective cover 110 is fixed on the frame 100 by bolts, so that the protective cover 110 is convenient to detach, and when the speed reduction motor 410 or the gear fails, the protective cover 110 can be rapidly detached to inspect and repair the corresponding position.
In a preferred embodiment, the lower half of the frame 100 covered by the hood 110 is provided with Z-shaped reinforcing rods 150 for supporting the storage device and ensuring the stability of the storage device.
In a preferred embodiment, the top end of the frame 100 is provided with a hand grip 170 which can be conveniently pushed by a worker.
In the preferred embodiment, the pulley is single gyro wheel structure, be provided with the draw-in groove in the middle of the single gyro wheel, the joint ensures that the single gyro wheel is difficult for deviating from the angle steel slide on the angle steel slide 140, has guaranteed the stability between pulley and the angle steel slide 140, can improve storage capacity simultaneously, avoids causing the automatic angle steel slide 140 roll-off of pulley because of the silicon chip overweight of storing.
In another embodiment, the pulley is a three-roller structure, and the three rollers are respectively in contact with the angle iron slideway 140 in three directions, so that the pulley partly surrounds the angle iron slideway 140, the stability of the pulley is ensured, the pulley is ensured not to be separated from the angle iron slideway 140, and the storage capacity of the storage device is improved.
In a preferred embodiment, the bottom of the water tank body 320 is provided with a weight sensing switch, because the silicon wafers have the same specification and the number of the silicon wafers placed in the cassette is the same, when the silicon wafers are not placed and are fully placed, the weight sensed by the weight sensing switch at the bottom of the water tank body 320 is within a certain range, the weight sensing switch is connected with the controller of the speed reduction motor 410 and is arranged in a weight range for controlling the controller of the speed reduction motor 410 to start the speed reduction motor 410 to descend and ascend, when the storage box 300 is fully stored with the silicon wafers, the weight sensing switch senses that the weight reaches the set descending weight range, the speed reduction motor 410 is started to drive the gear to be matched with the rack 420, corresponding power is provided for descending, and the lifting platform 200 descends by matching with the slider and the pulley, so as to drive the storage box 300 to descend.
In a preferred embodiment, after the silicon wafer is taken out of the storage box 300, the weight sensing switch senses that the weight reaches a set lifting weight range, the speed reduction motor 410 is started to drive the gear to be matched with the rack 420 to provide corresponding power for life, and the lifting platform 200 is lifted to drive the storage box 300 to lift by matching with the slider and the pulley.
In a preferred embodiment, the top of the back plate 120 is provided with a first photoelectric switch, a first light barrier is arranged at a position of the storage box 300 corresponding to the first photoelectric switch, the first photoelectric switch is in control connection with the controller of the speed reduction motor 410, and when the speed reduction motor 410 drives the storage box 300 to ascend to the position where the first light barrier covers the first photoelectric switch, the speed reduction motor 410 is controlled by the first photoelectric switch to stop running, so that the storage box 300 automatically stops to a position where a silicon wafer needs to be placed, thereby avoiding an error of shutdown height caused by manual control, and ensuring smooth proceeding of the process.
In a preferred embodiment, a second photoelectric switch is disposed at the bottom of the back plate 120, a second light blocking plate is disposed at a position of the storage box 300 corresponding to the second photoelectric switch, the second photoelectric switch is in control connection with the controller of the speed reduction motor 410, and when the speed reduction motor 410 drives the storage box to descend to the position where the second light blocking plate covers the second photoelectric switch, the speed reduction motor 410 is controlled by the second photoelectric switch to stop running, so that the storage box 300 automatically stops to a silicon wafer recycling station, thereby avoiding a shutdown height error caused by manual control, and ensuring smooth proceeding of processes.
In a preferred embodiment, the liquid inlet is provided with a first electromagnetic valve and a flow meter, the first electromagnetic valve is in control connection with a first photoelectric switch, and the first electromagnetic valve is controlled to be opened while the first photoelectric switch is covered by a first light barrier so as to control the speed reduction motor 410 to stop running, so that a cleaning liquid for cleaning the grinding fluid on the silicon wafer flows into the water tank body 320.
In a preferred embodiment, the flow meter is connected to the first electromagnetic valve in a controlled manner, the flow rate of the flow meter is preset, and after the cleaning liquid flowing into the water tank 320 reaches the preset flow rate, the flow meter controls the first electromagnetic valve to close, and the cleaning liquid is stopped from being continuously injected from the liquid inlet.
In some embodiments, the water tank 320 is provided with a stirring device for stirring the cleaning solution, so that the cleaning solution is sufficiently mixed with the silicon wafer adhered with the polishing slurry and stirred, and the polishing slurry on the silicon wafer is sufficiently cleaned.
In a preferred embodiment, a second electromagnetic valve is arranged on the liquid discharge port, the second electromagnetic valve is in control connection with a second photoelectric switch, and the second electromagnetic valve is controlled to be opened while the second photoelectric switch is covered by a second light blocking plate so as to control the speed reducer to stop running, so that the cleaned cleaning liquid is discharged through the liquid discharge port and a liquid discharge pipe 310 connected with the liquid discharge port.
In a preferred embodiment, the outer side of the bottom of the storage box 300 is provided with a limiting protrusion, the lifting platform 200 is provided with a limiting groove corresponding to the limiting protrusion on the storage box 300, the limiting protrusion is arranged at four corners of the outer side of the bottom of the storage box 300, and the limiting groove is arranged at four corners of the lifting platform 200.
The specific implementation process of the embodiment is as follows:
the method comprises the steps of sequentially placing the cartridges into a water tank body 320, closing a water tank cover 330 to form a complete storage tank 300, placing the storage tank 300 on a lifting table 200, starting a switch, driving a gear to move upwards along a rack 420 by a speed reduction motor 410, driving the lifting table 200 and the storage tank 300 on the lifting table 200 to ascend along with synchronous upward movement of a pulley and a slider, enabling a first light barrier to reach the same height of a first photoelectric switch when the storage tank 300 ascends to a certain height, blocking the first photoelectric switch, controlling the speed reducer to stop running by the first photoelectric switch, enabling the storage tank 300 to stop at a silicon wafer placing station, simultaneously controlling a first electromagnetic valve to be opened, enabling cleaning liquid for cleaning grinding liquid on silicon wafers to flow into the water tank body 320, controlling the first electromagnetic valve to be closed by a flow meter after a specified flow is reached, pushing the water tank cover 330 forwards to push the silicon wafers away for workers to place the silicon wafers, placing all, the weight sensor senses that the weight of the storage box 300 reaches a set descending weight range interval, the speed reducing motor 410 is started to drive the gear to move downwards along the rack 420, so as to drive the storage box 300 to descend, the stirring device stirs in the descending process, so that the cleaning liquid is fully mixed and stirred to generate convection, the grinding liquid on the silicon wafer is fully cleaned, when the storage box 300 descends to a certain height, the second light blocking plate reaches the same height with the second photoelectric switch to block the second photoelectric switch, the second photoelectric switch controls the speed reducing motor 410 to stop running, so that the storage box 300 stops at a silicon wafer recovery station, and simultaneously controls the second electromagnetic valve to be opened, the used cleaning liquid is discharged through the liquid discharge port and the liquid discharge pipe 310 connected with the liquid discharge port, after the discharge, a worker takes out the card box with the silicon wafer, puts in a new card box, and the weight sensing switch senses that the weight reaches the set ascending weight range interval, the gear motor 410 is started to move upwards, so that semi-automatic silicon wafer storage and cleaning are realized, the labor is liberated, the efficiency is improved, and meanwhile, the number of the silicon wafers placed in the card box is certain, so that the counting work of the silicon wafers is reduced, and the counting error is avoided.
The present invention has been described in detail, and it should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Claims (9)
1. The utility model provides a silicon chip storage device of liftable, its characterized in that, includes the frame, sets up the elevating platform on the frame, set up the bin that is used for saving the silicon chip on the elevating platform and set up the power device who is used for the lifting elevating platform in the elevating platform bottom, power device including fixed gear motor who sets up in the elevating platform bottom, with gear motor hub connection's gear, and set up on the frame with gear engagement's rack, gear motor drives the gear and rotates, realizes the lift of elevating platform through the cooperation of rack to realize the lift of bin.
2. The liftable silicon wafer storage device according to claim 1, wherein the frame comprises a frame body consisting of a cross rod and a vertical rod, and a back plate arranged on the same side of the rack on the frame body, and the back plate is provided with a guide rail.
3. The liftable silicon wafer storage device according to claim 2, wherein the number of the guide rails is two, the two guide rails are vertically arranged at two edges of the back plate respectively, and the slide block is arranged at the position of the lifting platform corresponding to the guide rails.
4. The liftable silicon wafer storage device according to claim 2, wherein the frame further comprises angle iron slideways arranged on vertical rods on the corresponding side of the back plate.
5. The liftable silicon wafer storage device according to claim 4, wherein two angle steel slideways are provided, the two angle steel slideways are vertically provided on the vertical rod respectively, and pulleys are provided at positions of the lifting platform corresponding to the angle steel slideways.
6. The liftable silicon wafer storage device according to claim 1, wherein the storage box comprises a water tank body, a water tank cover arranged on the top of the water tank body, a card box arranged inside the water tank body and used for placing the silicon wafers, a liquid outlet arranged on the bottom of the water tank body, and a liquid discharge pipe connected with the liquid outlet.
7. The liftable silicon wafer storage device according to claim 6, wherein the card box is a cuboid structure with an uncovered upper end, and through holes are arranged on the side surface and the bottom surface of the card box and are arranged in an array.
8. The liftable silicon wafer storage device according to claim 6, wherein the cassette is provided in a plurality of cassettes, and the number of the silicon wafers stored in the plurality of cassettes is the same.
9. The liftable silicon wafer storage device according to claim 6, wherein the storage box further comprises a liquid inlet arranged at one side of the water tank body, and the highest liquid level in the water tank body is higher than the height of the card box in the water tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010807527.0A CN111843967A (en) | 2020-08-12 | 2020-08-12 | Liftable silicon chip storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010807527.0A CN111843967A (en) | 2020-08-12 | 2020-08-12 | Liftable silicon chip storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111843967A true CN111843967A (en) | 2020-10-30 |
Family
ID=72971963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010807527.0A Pending CN111843967A (en) | 2020-08-12 | 2020-08-12 | Liftable silicon chip storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111843967A (en) |
-
2020
- 2020-08-12 CN CN202010807527.0A patent/CN111843967A/en active Pending
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