CN115621177A - A flower basket elevator for storing silicon wafers - Google Patents

Abstract

The invention provides a flower basket hoist for storing silicon wafers, comprising several storage flower baskets for storing silicon wafers, a frame, a feeding conveyor belt, a discharging conveyor belt, and at least one set of conveying wheels for feeding and at least one set of conveying wheels for discharging, a lifting mechanism, a feeding mechanism, a transfer frame, and a support, the feeding conveyor belt and the conveying wheel set for feeding are sequentially connected, and the discharging conveyor belt and The conveying wheels used for discharging are connected sequentially. Before the silicon wafer loading machine is loaded, the empty storage flower basket is first grasped by auxiliary tools such as manipulators to the feeding conveyor belt of the transfer frame, and then the transfer frame is loaded on the bracket by the AGV trolley, and the empty storage flower basket is conveyed by feeding The belt is sent to the feeding conveyor belt, and the full storage flower basket enters the discharging conveyor belt from the upper conveying wheel set, and then is sent to the return conveyor belt of the transfer frame by the discharging conveyor belt, and then the transfer frame is transported by the AGV trolley to the next process.

Description

A flower basket elevator for storing silicon wafers

technical field

The invention relates to the technical field of mechanical automation, in particular to a basket lifter for storing silicon wafers.

Background technique

The production of solar cells is mainly based on semiconductor materials. Its working principle is to use photoelectric materials to absorb light energy and undergo photoelectron conversion reactions, depending on the materials used.

Solar cells are an important way for people to generate electricity in the future. Solar cells made of crystalline silicon are currently the mainstream technology in the photovoltaic industry. At present, the manufacturing process of solar cells includes multiple processes, such as silicon wafer cleaning and texturing.

Before carrying out the above process, it is necessary to load silicon wafers into a special basket, and then transport the basket to the next process for processing. With the popularization of automation equipment, there are also robots on the market that use robots to grab silicon wafers and store them in flower baskets. , but when a flower basket is stored, the flower basket and the flower basket to be loaded must be transported manually or by a trolley, and it is always impossible to form a cyclic, fast, and automatic loading, unloading, and transfer process.

Contents of the invention

(1) Solved technical problems

Aiming at the deficiencies of the prior art, the present invention provides a flower basket lifter for storing silicon wafers, which solves the problems raised in the background art above.

(2) Technical solution

In order to achieve the above object, the present invention is achieved through the following technical solutions: a flower basket hoist for storing silicon wafers, including several storage flower baskets for storing silicon wafers, a frame, a feed conveyor belt, a discharge conveyor belt, At least one set of conveying wheels for feeding and at least one set of conveying wheels for discharging, a lifting mechanism, a feeding mechanism, a transfer frame, a support, the feeding conveyor belt and the conveying wheels for feeding The groups are successively connected, the discharge conveyor belt and the conveying wheel set for discharging are connected in sequence, and are located above the feed conveyor belt and the conveying wheel set for feeding, and the cylinder is arranged horizontally on the frame 1. The cylinder one can drive the conveying wheel set for discharging to move laterally, the feeding mechanism is used to load silicon wafers into the storage flower basket, and the lifting mechanism can move the conveying wheel set used for feeding The storage flower basket on the top is lifted to the conveying wheel set for discharging, the lifting mechanism includes a pair of lead screw modules one, lifting body, connecting rod and support block, and the lead screw module one is set on the frame , and is used to drive the lifting body to lift vertically, the connecting rod is vertically arranged on the lifting body, one end of the supporting block is hinged on the connecting rod, and the connecting rod is provided with a driver for driving the supporting block to rotate, The support is arranged on the frame at the feed and discharge end of the feed conveyor belt and the discharge conveyor belt, and the support is used to support the transfer frame, and the transfer frame is provided with a The feeding conveyor belt and the return conveyor belt are connected, and a driving mechanism for driving the feed conveyor belt and the return conveyor belt to rotate is arranged on the support.

Preferably, the conveying wheel set includes a support frame, several rollers, and a motor, and the several rollers are sequentially connected to the support frame along the conveying direction. The supporting frame of the feeding conveying wheel set is fixed on the frame, and the supporting frame of the conveying wheel set used for discharging is arranged on the output end of the cylinder one.

Preferably, several rows of support plates for storing silicon wafers are vertically arranged in the storage flower basket, each row of support plates is arranged at equal intervals in the transverse direction, and the top of each support plate is provided with an upwardly bent bending portion.

Preferably, the feeding mechanism includes a conveying plate and a lead screw module 2, the lead screw module 2 is used to drive the conveying plate to move toward the direction of the storage basket, the conveying plate is used to place silicon wafers, and the conveying plate is used to place silicon wafers. The conveying plate is comb-shaped with several gap slots, and the gap slots and the support plates are alternately arranged.

Preferably, the bracket includes a bracket one and a bracket two, the first bracket and the second bracket are fixed and symmetrically arranged, and the two ends of the transfer frame can be supported on the first bracket and the second bracket, and the first bracket is provided with a The driving mechanism for the rotation of the conveyor belt and the return conveyor belt.

Preferably, the driving mechanism includes a driving gear 1, a driving gear 2 and two motors, the driving gear 1 and the driving gear 2 are rotatably connected to the bracket 1, and the two motors are arranged on the bracket 1 and are connected to the driving gear respectively. Gear one and driving gear two are connected, and the rotating shafts of the feeding conveyor belt and the return conveyor belt are coaxially connected with pulley one and pulley two. The second pulley meshes with the first driving gear and the second driving gear respectively.

Preferably, two floating centering units are respectively arranged on the first bracket and the second bracket, and four floating centering units are used to align the position of the transfer frame to a designated position.

(3) Beneficial effects

The present invention provides a basket lifter for storing silicon wafers. Has the following beneficial effects:

1. The flower basket hoist used to store silicon wafers, before the silicon wafer feeder is loaded, first grabs the empty storage flower baskets to the feeding conveyor belt of the transfer frame through manipulators and other auxiliary tools, and then passes the transfer frame through the AGV The trolley is loaded on the bracket, and the empty storage flower basket is sent to the feeding conveyor belt through the feeding conveyor belt, and then enters the lower conveying wheel set from the feeding conveyor belt, and the silicon wafers are put into the storage flower basket one by one by using the feeding mechanism , during the feeding process, the storage flower basket is gradually lifted upwards to the upper conveying wheel set through the lifting mechanism, and the full storage flower basket enters the discharge conveyor belt from the upper conveying wheel set, and then is sent to the transfer by the discharge conveyor belt on the return conveyor belt of the frame, and then transport the transfer frame to the next process by the AGV trolley, which effectively solves the problem of the long distance between each process; and the design of storing flower baskets on the transfer frame, one in and one out, greatly improves the The working efficiency of each process is improved without stopping.

Description of drawings

Fig. 1 is an overall axonometric view of the present invention;

Fig. 2 is a schematic diagram of the feeding state of the storage flower basket of the present invention;

Fig. 3 is a schematic diagram of a feed conveyor belt and a discharge conveyor belt of the present invention;

Fig. 4 is a schematic diagram of a lifting mechanism of the present invention;

Fig. 5 is a schematic diagram of the conveying wheel set of the present invention;

Fig. 6 is a connection diagram between the transfer frame and the frame of the present invention;

Figure 7 is a schematic diagram of the transfer frame of the present invention;

Fig. 8 is a corresponding diagram of the transfer frame of the present invention, the first bracket and the second bracket;

Fig. 9 is a schematic structural view of the first bracket and the second bracket of the present invention;

Fig. 10 is an axonometric schematic diagram of the storage flower basket of the present invention;

Fig. 11 is a sectional view of the storage flower basket of the present invention.

In the figure: 1 frame, 2 storage flower basket, 3 feeding conveyor belt, 4 discharging conveyor belt, 5 conveying wheel set, 51 support frame, 52 roller, 53 motor, 6 cylinder one, 7 lifting mechanism, 71 lead screw mold Group 1, 72 lifting body, 73 connecting rod, 74 support block, 8 conveying plate, 9 lead screw module 2, 10 silicon wafer, 11 transfer frame, 12 feeding conveyor belt, 13 returning conveyor belt, 14 bracket 1, 15 Bracket two, 16 pulley one, 17 pulley two, 18 driving gear one, 19 driving gear two, 20 motor, 21 floating centering unit, 22 fixed clip wheel, 23 movable clip wheel, 24 cylinder three, 25 rotating arm, 26 splints, 27 cylinder four, 28 support plates, 29 bending parts.

detailed description

The embodiment of the present invention provides a flower basket hoist for storing silicon wafers, as shown in Figure 1-11, including a number of storage flower baskets 2 for storing silicon wafers 10, a frame 1, a feeding conveyor belt 3, and a Conveyor belt 4, at least one set of conveying wheels 5 for feeding and at least one set of conveying wheels 5 for discharging, lifting mechanism 7, feeding mechanism, transfer frame 11, and support.

The conveying directions of the feeding conveyor belt 2 and the discharging conveyor belt 4 are opposite. The conveying direction of the conveying wheel set 5 used for feeding and the conveying wheel set 5 used for discharging are opposite. There are two sets of conveying wheel sets 5 for feeding and two sets of conveying wheel sets 5 for discharging, and two sets of conveying wheel sets 5 are arranged side by side.

As shown in Figure 4, the feed conveyor belt 3 and the conveyor wheel set 5 for feeding are sequentially connected, and the discharge conveyor belt 4 is sequentially connected with the conveyor wheel set 5 for discharging, and are located between the feed conveyor belt 3 and the conveyor wheel set 5. Above the conveyor wheel set 5 for feeding, the discharge conveyor belt 4 and the feed conveyor belt 3 correspond up and down, two sets of conveyor wheels 5 for discharge and two sets of conveyor wheels 5 for feeding up and down One to one correspondence.

As shown in Figure 4-5, cylinder one 6 is arranged horizontally on the frame 1, and cylinder one 6 can drive the conveying wheel set 5 for discharging to move laterally, and the feeding mechanism is used to feed the silicon wafer 10 to the storage In the flower basket 2, the lifting mechanism 7 can lift the storage flower basket 2 on the conveying wheel set 5 used for feeding to the conveying wheel set 5 used for discharging. When the lifting mechanism 7 drives the storage flower basket 2 to rise, use the cylinder one 6. Drive the conveying wheel set 5 outward to prevent the storage flower basket 2 from interfering with the conveying wheel set 5 when rising.

As shown in Figure 4, concretely, conveying wheel group 5 comprises support frame 51, several rollers 52, motor 53, and several rollers 52 rotate and connect on the support frame 51 successively along conveying direction, and one end of several rollers 52 is connected with coaxial Gears, several gears are meshed through transmission belt transmission, motor 53 is coaxially connected with roller 52, and motor is used to drive several rollers 52 to rotate. The support frame 51 of the conveying wheel set 5 used for feeding is fixed on the frame 1, and the support frame 51 of the conveying wheel set 5 used for discharging is arranged on the output end of the cylinder one 6. Cylinder one 6 can drive the support frame 51 to move outward.

As shown in Figure 4-5, the lifting mechanism 7 includes a pair of lead screw module one 71, a lifting body 72, a connecting rod 73 and a support block 74, the lead screw module one 71 is arranged on the frame 1, and the lead screw module one A 71 is an existing lifting mechanism, which is made of components such as a leading screw, a guide rail, a slide seat, a shaft coupling, a motor, and will not be described in detail. The leading screw module one 71 is used to drive the lifting body 72 to lift vertically, the lifting body 72 is connected with the sliding seat on the leading screw module one 71, the connecting rod 73 is vertically arranged on the lifting body 72, and one end of the supporting block 74 is hinged On the connecting rod 73 , a driver for driving the supporting block 74 to rotate is arranged on the connecting rod 73 . The driver can be a motor, and when the driver is a motor, the motor is connected to the rotating shaft of the support block 74 . The driver can also be a cylinder, and when the driver is a cylinder, the bottom end of the cylinder is hinged on the connecting rod 73, and the output end of the cylinder is hinged with the support block 74. The support block 74 expands outward under normal conditions, forming a triangular state with the connecting rod 73 , and the top of the support block 74 is used to support the storage flower basket 2 . The support block 74 keeps outwardly unfolded during the lifting process, and when the lifting is finished and returns to the initial position, the driver drives the support block 74 to rotate upwards so that its vertical direction avoids contact with the flower basket 2 on the lower floor.

As shown in Figures 10-11, several rows of support plates 28 for storing silicon wafers 10 are vertically arranged in the storage flower basket 2, and each row of support plates 28 is arranged at equal intervals in the horizontal direction, and one row of support plates 28 can support a silicon wafer 10. A top end of each support plate 28 is provided with an upwardly bent bent portion 29 . The bending portion 29 can prevent the silicon wafer 10 from sliding out of the storage flower basket 2 .

As shown in Figure 1-2, the feeding mechanism includes a conveying plate 8 and a screw module 2 9. The screw module 2 9 is used to drive the conveying plate 8 to move toward the storage flower basket 2, and the conveying plate 8 is used to place Silicon wafer 10, the silicon wafer 10 on the transport plate 8 is grasped by an automated robot. The conveying plate 8 is comb-shaped with several gap slots, and the gap slots and support plates 28 are alternately arranged. The conveying plate 8 lowers the silicon wafer 10 driven by the screw module 2 9 and transports it to the support plate 28 in the storage basket 2, and then the lifting mechanism 7 drives the storage basket 2 to lift the storage basket support plate 21 by the distance between the upper and lower two pieces of the storage basket, and then The conveying plate 8 withdraws from the outside of the storage flower basket 2 under the drive of the screw mandrel module 2 9 .

As shown in Figure 6, the support is arranged on the frame 1 at the feed and discharge end of the feed conveyor belt 3 and the discharge conveyor belt 4. The support is used to support the transfer frame 11, and the transfer frame 11 is provided with a The feed conveyor belt 12 and the return conveyor belt 13 connected with the belt 3 and the discharge conveyor belt 4 are provided with a drive mechanism for driving the feed conveyor belt 12 and the return conveyor belt 13 to rotate.

As shown in Figure 6-7, the bracket includes bracket one 14 and bracket two 15, bracket one 14 and bracket two 15 are fixed and symmetrically arranged, and bracket one 14 and bracket two 15 are fixed at the inlet and outlet of the frame 1 by anchor bolts . And the two ends of transfer frame 11 can be supported on support one 14, support two 15, when transfer frame 11 was erected on support one 14 and support two 15, feeding conveyor belt 12 is joined together with feed conveyor belt 3, returns The material conveyor belt 13 is connected with the discharge conveyor belt 4.

A drive mechanism for driving the feed conveyor belt 12 and the return conveyor belt 13 to rotate is provided on the support one 14 .

As shown in Figures 8-9, specifically, the driving mechanism includes a driving gear one 18, a driving gear two 19 and two motors 20, and the driving gear one 18 and the driving gear two 19 are rotatably connected to the bracket one 14, and the two motors 20 Be arranged on the bracket one 14 and link to each other with the driving gear one 18 and the driving gear two 19 respectively, the feed conveyor belt 12 and the return conveyor belt 13 include a conveyor belt and a rotating shaft that drives the belt, the feed conveyor belt 12 and the return conveyor belt The rotating shaft of 13 is coaxially connected with pulley one 16 and pulley two 17, and pulley one 16, pulley two 17 are all gears, and when intermediate frame 11 falls on support one 14 and support two 15, pulley one 16, pulley two 17 meshes with driving gear one 18, driving gear two 19 respectively.

As shown in FIG. 9 , two floating centering units 21 are respectively provided on the first bracket 14 and the second bracket 15 , and four floating centering units 21 are used to align the position of the transfer frame 11 to a designated position. When the AGV car places the transfer frame 11 on the bracket one 14 and the bracket two 15, because the position of the transfer frame 11 will be offset, the position of the transfer frame 11 is adjusted by four floating centering units 21, so that the position on the transfer frame 11 The feed conveyor belt 12 and the return conveyor belt 13 are aligned with the feed conveyor belt 3 and the discharge conveyor belt 4 on the frame 1 . The available model of the floating centering unit 21 is MACM4-20PV-X115.

The first bracket 14 and the second bracket 15 are provided with clamping mechanisms for clamping the front and rear ends of the transfer frame 11 .

As shown in Figures 8-9, the clamping mechanism includes a pair of fixed clamp wheels 22, a pair of movable clamp wheels 23, a cylinder three 24, and a rotating arm 25. The two fixed clamp wheels 22 are respectively rotatably connected to bracket one 14 and bracket two. On 15, the middle part of two pivoting arms 25 is pivotally connected on support one 14 and support two 15 respectively, and movable clip wheel 23 is pivotally connected on an end of pivoting arm 25, and is corresponding with fixed clip wheel 22 before and after, and two cylinders three 24 The bottom end of the cylinder is respectively hinged on the support one 14 and the support two 15, and the output end of the cylinder three 24 is hinged away from an end of the movable clamp wheel 23 with the rotating arm 25.

Under normal conditions, the distance between the fixed clamp wheels 22 and the movable clamp wheels 23 is greater than the longitudinal width of the intermediate frame 11, and the intermediate frame 11 is erected on the first bracket 14 and the second bracket 15 and corrected by the floating centering unit 21. The clip wheel 23 clamps the transfer frame 11 under the drive of the cylinder three 24, so that the transfer frame 11 is clamped between the fixed clip wheel 22 and the movable clip wheel 23.

As shown in Figure 9, bracket one 14 and bracket two 15 are provided with fixing mechanisms for clamping the left and right ends of the transfer frame 11. The fixing mechanisms include four groups of cylinders four 27 and splints 26, which are arranged on bracket one 14 and bracket respectively. Two 15 on. Cylinder four 27 is horizontally arranged on support one 14 and support two 15, and splint 26 is arranged on the output end of cylinder four 27 and corresponds to the left and right ends of transfer frame 11. After cylinder 4 27 moves and drives splint 26 to clamp the lateral sides of transfer frame 11, the fixed clamping wheels 22 and movable clamping wheels 23 clamp the transfer frame 11 longitudinally front and rear sides. Prevent the transfer frame 11 from shifting during work.

Working principle: Step 1, first grab the empty storage flower basket 2 onto the feeding conveyor belt 12 of the transfer frame 11 through auxiliary tools such as manipulators, and then load the transfer frame 11 on the first bracket 14 and the second bracket 15 through the AGV trolley. Step 2, the empty storage flower basket 2 is sent to the feeding conveyor belt 3 on the frame 1 through the feeding conveyor belt 12 . Step 3, the feeding conveyor belt 3 transfers the storage flower basket 2 to the conveying wheel set 5 located below. Step 4, the delivery plate 8 sends the silicon wafer 10 to the support plate 28 in the storage flower basket 2 under the drive of the screw module 2 9, and after each silicon wafer 10 is transported, the lifting mechanism 7 lifts the storage flower basket 2 to a certain height. Step 5, after the storage flower basket 2 is full, the lifting mechanism 7 lifts the storage flower basket 2 above the roller 52 of the conveying wheel set 5 located above. Before lifting, the conveying wheel group 5 above moves outwards under the drive of cylinder one 6. When the storage flower basket 2 reaches its top, the delivery wheel set 5 resets to support the storage flower basket 2 . Step 6, the conveying wheel set 5 located above conveys the storage flower basket 2 to the discharge conveyor belt 4 . Step 7, the storage basket 2 filled with silicon wafers 10 is sent from the output conveyor belt 4 to the return conveyor belt 13 of the transfer rack 11 . Step eight, transport the transfer frame 11 to the next process by the AGV trolley. The problem of long distances between the various processes is effectively solved; and the design of storing flower baskets 2 on the transfer frame 11 one in and one out greatly improves the working efficiency of each process without parking.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (7)

1. A basket elevator for storing silicon wafers is characterized in that: the silicon wafer storage and transportation device comprises a plurality of storage flower baskets (2) for storing silicon wafers (10), a rack (1), a feeding conveyer belt (3), a discharging conveyer belt (4), at least one group of conveying wheel sets (5) for feeding and at least one group of conveying wheel sets (5) for discharging, a lifting mechanism (7), a feeding mechanism, a transfer frame (11) and a support, wherein the feeding conveyer belt (3) is sequentially connected with the conveying wheel sets (5) for feeding, the discharging conveyer belt (4) is sequentially connected with the conveying wheel sets (5) for discharging, the feeding mechanism is positioned above the feeding conveyer belt (3) and the conveying wheel sets (5) for feeding, a cylinder I (6) is transversely arranged on the rack (1), the cylinder I (6) can drive the conveying wheel sets (5) for discharging to transversely move, the feeding mechanism is used for feeding the silicon wafers (10) into the storage flower baskets (2), the lifting mechanism (7) can lift the storage flower baskets (2) on the conveying wheel sets (5) for feeding to the conveying wheel sets (5) for discharging, the lifting module (7) comprises a pair of screw rod bodies (71) and a lifting module (72) and a pair of screw rods (71) and a lifting module body (72) for driving the lifting module (1) and lifting module (71), the connecting rod (73) is vertically arranged on the lifting body (72), one end of the supporting block (74) is hinged to the connecting rod (73), a driver used for driving the supporting block (74) to rotate is arranged on the connecting rod (73), the support is arranged at the feeding and discharging end of the feeding conveying belt (3) and the discharging conveying belt (4) of the rack (1), the support is used for supporting the transfer frame (11), the feeding conveying belt (12) and the returning conveying belt (13) which can be connected with the feeding conveying belt (3) and the discharging conveying belt (4) are arranged on the transfer frame (11), and a driving mechanism used for driving the feeding conveying belt (12) and the returning conveying belt (13) to rotate is arranged on the support.

2. The basket elevator for storing silicon wafers as set forth in claim 1, wherein: conveying wheelset (5) are including support frame (51), a plurality of gyro wheel (52), motor (53), and a plurality of gyro wheel (52) rotate in proper order along direction of delivery and connect on support frame (51), and a plurality of gyro wheel (52) pass through the driving belt transmission meshing, motor (53) and gyro wheel (52) are coaxial continuous, are used for support frame (51) of conveying wheelset (5) of feeding to fix on frame (1), and support frame (51) of conveying wheelset (5) for the ejection of compact sets up on the output of cylinder (6).

3. The basket elevator for storing silicon wafers as set forth in claim 1, wherein: a plurality of rows of supporting plates (28) used for storing the silicon wafers (10) are vertically arranged in the storage flower basket (2), each row of supporting plates (28) are transversely arranged at equal intervals, and the top end of each supporting plate (28) is provided with a bending part (29) which is bent upwards.

4. The basket elevator for storing silicon wafers as set forth in claim 3, wherein: the feeding mechanism comprises a conveying plate (8) and a second screw rod module (9), the second screw rod module (9) is used for driving the conveying plate (8) to move towards the direction of the storage flower basket (2), the conveying plate (8) is used for placing silicon wafers (10), the conveying plate (8) is in a comb shape with a plurality of clearance grooves, and the clearance grooves are arranged in a staggered mode with the supporting plate (28).

5. The basket lift for storing silicon wafers as set forth in claim 1, wherein: the support comprises a first support (14) and a second support (15), the first support (14) and the second support (15) are fixedly and symmetrically arranged, two ends of the transfer frame (11) can be supported on the first support (14) and the second support (15), and a driving mechanism for driving the feeding conveying belt (12) and the returning conveying belt (13) to rotate is arranged on the first support (14).

6. The basket lift for storing silicon wafers as set forth in claim 5, wherein: actuating mechanism includes drive gear (18), drive gear two (19) and two motor (20), drive gear (18), drive gear two (19) rotate to be connected on support one (14), two motor (20) set up on support one (14) and link to each other with drive gear one (18), drive gear two (19) respectively, coaxial coupling has band pulley one (16) and band pulley two (17) in the pivot of pay-off conveyer belt (12) and feed back conveyer belt (13), when transfer rack (11) fell on support one (14) and support two (15), band pulley one (16), band pulley two (17) mesh with drive gear one (18), drive gear two (19) respectively.

7. The basket elevator for storing silicon wafers as set forth in claim 5, wherein: two floating centering units (21) are respectively arranged on the first support (14) and the second support (15), and the four floating centering units (21) are used for aligning the position of the middle rotating frame (11) to a specified position.

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