CN220439570U - Half basket of flowers and half silicon chip feed and discharge system - Google Patents

Abstract

The utility model discloses a half-wafer basket and half-wafer silicon wafer loading and unloading system, relates to the technical field of solar cell production equipment, and is used for reasonably utilizing the basket and improving the silicon wafer yield. The half flower basket comprises two flower basket panels which are oppositely arranged, two limiting side plates which are oppositely arranged, a middle supporting plate and a limiting frame, wherein a plurality of first limiting grooves are formed in one surface of each of the two limiting side plates, which is opposite to the other surface of each of the two limiting side plates, and are distributed from one of the flower basket panels to the other flower basket panel. The middle supporting plate is arranged between the two limiting side plates in parallel, and second limiting grooves corresponding to the first limiting grooves are formed in the surfaces of the two sides of the middle supporting plate. The limiting frame is positioned between the limiting side plate and the middle supporting plate and is used for limiting contact with one side edge of the half silicon wafer. The first limit groove, the second limit groove corresponding to the first limit groove and the limit frame enclose to form an accommodating space for accommodating half silicon wafers.

Description

Half basket of flowers and half silicon chip feed and discharge system

Technical Field

The utility model relates to the technical field of solar cell production equipment, in particular to a half-piece flower basket and half-piece silicon wafer loading and unloading system.

Background

Currently, in the process of manufacturing half-cell batteries, after the manufacturing of the battery cells is completed, the battery cells are usually subjected to one-to-two laser scribing. However, the laser scribing inevitably causes thermal shock damage to the battery piece, so that the electrical property is attenuated, hidden cracks and the like are caused to the battery piece in the scribing process, the manufacturing cost of the battery technology is increased, and the yield of the battery piece is reduced.

In view of this, in the prior art, the dicing process is advanced to the front of the battery process, i.e. the silicon wafer is divided into half-pieces or 1/N pieces of small-sized silicon wafers, and then the battery is prepared, and such process adjustment requires to adjust the matched tools after the silicon wafer is divided and during the battery process.

However, if the existing flower basket is used for bearing square silicon wafers and is continuously used for bearing half silicon wafers, the flower basket space is wasted, and the productivity of the silicon wafers is reduced.

Disclosure of Invention

The utility model aims to provide a half-wafer basket and half-wafer silicon wafer loading and unloading system which is used for reasonably utilizing the basket and improving the silicon wafer yield.

In order to achieve the above object, in a first aspect, the present utility model provides a half flower basket, which comprises two flower basket panels arranged oppositely, two limiting side plates arranged oppositely, a middle supporting plate and a limiting frame, wherein two ends of the limiting side plates are connected to the flower basket panels, a plurality of first limiting grooves are formed in opposite sides of the two limiting side plates, the plurality of first limiting grooves are distributed from one flower basket panel to the other flower basket panel, and the extending direction of the first limiting grooves is parallel to the flower basket panels. The intermediate support plate is arranged between the two limiting side plates in parallel, two ends of the intermediate support plate are connected to the flower basket panel, and second limiting grooves corresponding to the first limiting grooves are formed in the surfaces of two sides of the intermediate support plate. The spacing is located between spacing curb plate and the intermediate support board, and the both ends of spacing are connected in the basket of flowers panel, and spacing is used for with the spacing contact of a side of half silicon chip. The first limit groove, the second limit groove corresponding to the first limit groove and the limit frame are all surrounded to form an accommodating space for accommodating half silicon wafers.

By adopting the technical scheme, the half flower basket provided by the utility model comprises two flower basket panels which are oppositely arranged, two limit side plates which are oppositely arranged, a middle support plate and a limit frame, wherein a plurality of first limit grooves are formed in the limit side plates, the first limit grooves are distributed from one flower basket panel to the other flower basket panel, and the extending direction of the first limit grooves is parallel to the flower basket panels. The middle supporting plate is arranged between the two limiting side plates in parallel, and second limiting grooves corresponding to the first limiting grooves are formed in the surfaces of the two sides of the middle supporting plate. A limiting frame is arranged between the limiting side plate and the middle supporting plate and is used for limiting contact with one side edge of the half silicon wafer. The first limit groove, the second limit groove corresponding to the first limit groove and the limit frame enclose to form an accommodating space for accommodating half silicon wafers. When the half silicon wafer is positioned in the accommodating space, one side edge of the half silicon wafer is positioned in the first limit groove, the other side edge of the half silicon wafer opposite to the one side edge is positioned in the second limit groove, and one side edge of the half silicon wafer perpendicular to the one side edge is in limit contact with the limit frame. The both sides of intermediate support board all have a plurality of accommodation space, and half piece basket of flowers's space is by rational utilization, and half piece basket of flowers can bear the increase of half piece silicon chip's quantity, has promoted the silicon chip productivity.

In one possible implementation, the distance between two adjacent first limit grooves is 2.38 mm-5.44 mm in the direction from one basket panel to the other basket panel.

By adopting the technical scheme, the distance between adjacent silicon wafers can be conveniently adjusted according to different process environments of the silicon wafers, so that the uniformity of the silicon wafer process is realized.

In one possible implementation, the half flower basket further comprises a supporting side rod, two ends of the supporting side rod are connected to the flower basket panel, and one side, far away from the first limiting groove, of the limiting side plate is supported on the supporting side rod.

By adopting the technical scheme, the support side rod provides support force for the limit side plate, so that the deformation of the half flower basket when bearing the half silicon wafer is avoided, and the structural strength and the bearing capacity of the half flower basket are improved.

In one possible implementation, the basket panels are provided with positioning holes, the positioning holes on the two basket panels are arranged oppositely, and the positioning holes are used for being in butt joint with the conical pressing tool.

By adopting the technical scheme, the semi-flower basket is convenient to position during loading and unloading.

In one possible implementation, one of the basket panels is provided with identification marks for identifying the direction of placement of the half-baskets.

By adopting the technical scheme, the identifying mark is arranged on one flower basket panel and used for identifying the placement direction of the half-piece flower basket, and the placement direction of the half-piece flower basket is uniform when the flower basket is used each time, so that the phenomenon that the front surface and the back surface of the half-piece silicon wafer borne by the half-piece flower basket are disordered is avoided, and the half-piece silicon wafer processing technology is adversely affected.

In one possible implementation, a carrying groove for carrying half flower basket is formed on one side of the flower basket panel away from the limiting frame.

By adopting the technical scheme, operators can conveniently grasp and stably transport half flower baskets.

In one possible implementation, the groove depth of the first limit groove is less than 5mm; and/or the groove depth of the second limiting groove is smaller than 5mm.

By adopting the technical scheme, on one hand, the processing difficulty of the first limit groove and the second limit groove is reduced, and on the other hand, the contact area between the first limit groove and the second limit groove and the half silicon wafer can be reduced, and the abrasion of the half silicon wafer is reduced as much as possible.

In one possible implementation, the first limit groove is one of a V-groove, a trapezoidal groove, or a square groove.

In one possible implementation, the second limit groove is one of a V-groove, a trapezoidal groove, or a square groove.

In one possible implementation, the stop is a stop bar or stop plate.

In a second aspect, the present utility model also provides a half silicon wafer loading and unloading system, comprising a conveyor belt, a conical press and a half basket as described in the first aspect or any possible implementation manner of the first aspect, wherein the half basket is used for carrying half silicon wafers, the conveyor belt is used for conveying the half silicon wafers, and the conveyor belt is provided with loading and unloading stations. The conical press is used for being matched with the positioning holes of the half flower basket and positioning the half flower basket at the loading and unloading station.

The beneficial effects of the silicon wafer loading and unloading system provided in the second aspect may refer to the beneficial effects of the half-wafer basket described in the first aspect or any possible implementation manner of the first aspect, and are not repeated here.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic perspective view of a half flower basket according to an embodiment of the present utility model;

FIG. 2 is a schematic side view of a half flower basket according to an embodiment of the present utility model;

FIG. 3 is a schematic top view of FIG. 2;

fig. 4 is a schematic bottom view of fig. 2.

Reference numerals:

1-a basket panel, 11-a positioning hole, 12-an identification hole, 13-a carrying groove, 2-a limiting side plate,

21-a first limit groove, 3-an intermediate support plate, 31-a second limit groove, 4-a limit frame,

5-support side bars.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The meaning of "a number" is one or more than one unless specifically defined otherwise.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 4, the half flower basket provided in the embodiment of the present utility model includes two opposite flower basket panels 1, two opposite limiting side plates 2, a middle supporting plate 3 and a limiting frame 4, two ends of the limiting side plates 2 are connected to the flower basket panels 1, two opposite sides of the two limiting side plates 2 are provided with a plurality of first limiting grooves 21, and the plurality of first limiting grooves 21 are arranged from one flower basket panel 1 to the other flower basket panel 1, and the extending direction of the first limiting grooves 21 is parallel to the flower basket panels 1. The intermediate support plate 3 is arranged between the two limiting side plates 2 in parallel, two ends of the intermediate support plate 3 are connected with the flower basket panel 1, and the surfaces of two sides of the intermediate support plate 3 are provided with second limiting grooves 31 corresponding to the first limiting grooves 21. The spacing 4 is located between spacing curb plate 2 and the intermediate support board 3, and the both ends of spacing 4 are connected in basket of flowers panel 1, and spacing 4 is used for with the spacing contact of a side of half silicon chip. The first limit groove 21, the second limit groove 31 corresponding to the first limit groove 21 and the limit frame 4 enclose to form an accommodating space for placing half silicon wafers.

With the above technical scheme, when the half silicon wafer is located in the accommodating space, one side of the half silicon wafer is located in the first limit groove 21, the other side of the half silicon wafer opposite to the one side is located in the second limit groove 31, and one side of the half silicon wafer perpendicular to the one side is in limit contact with the limit frame 4. The two sides of the middle supporting plate 3 are provided with a plurality of accommodating spaces, the space of the half flower basket is reasonably utilized, the number of half silicon wafers which can be borne by the half flower basket is increased, and the productivity of the silicon wafers is improved.

In specific implementation, the number of the first limiting grooves 21 is the same as the number of the second limiting grooves 31, and the first limiting grooves 21 correspond to the second limiting grooves 31 one by one. When carrying half silicon chip, half silicon chip is parallel to basket panel 1, and one side of half silicon chip is supported by one side inner wall of first spacing groove 21, and the opposite side of half silicon chip is supported by one side inner wall of second spacing groove 31, and one side of half silicon chip perpendicular to this one side limit contacts with spacing 4 spacing, avoids half silicon chip landing from accommodation space. The middle supporting plate 3 is arranged between the two limiting side plates 2 in parallel, the specification and the size of the half silicon wafers which can be accommodated by the accommodating spaces at the two sides of the middle supporting plate 3 can be the same or different, and when the middle supporting plate 3 is positioned between the two limiting side plates 2, the specification and the size of the half silicon wafers which can be accommodated by the accommodating spaces at the two sides of the middle supporting plate 3 are the same.

In one possible implementation, the distance between two adjacent first limiting grooves 21 is 2.38mm to 5.44mm from one basket panel 1 to the other basket panel 1. The second limiting grooves 31 correspond to the first limiting grooves 21, and a distance between two adjacent second limiting grooves 31 may be equal to a distance between two adjacent first limiting grooves 21. Therefore, the distance between adjacent silicon wafers is convenient to adjust according to different process environments of the silicon wafers, so that the uniformity of the silicon wafer process is realized. Illustratively, the distance between two adjacent first limiting grooves 21 may be 2.38mm, 2.5mm, 2.66mm, 3mm, 3.2mm, 3.45mm, 3.8mm, 4mm, 4.4mm, 4.6mm, 4.8mm, 5.44mm, etc., although this is merely illustrative and not limiting in particular.

As an alternative, referring to fig. 1 to 4, the half flower basket provided in the embodiment of the present utility model further includes a supporting side rod 5, two ends of the supporting side rod 5 are connected to the flower basket panel 1, and one side of the limiting side plate 2, which is far from the first limiting groove 21, is supported on the supporting side rod 5. Therefore, the support side rods 5 provide support force for the limit side plates 2, so that the half flower basket is prevented from deforming when bearing half silicon wafers, and the structural strength and the bearing capacity of the half flower basket are improved. The number of the supporting side bars 5 corresponding to one limiting side plate 2 may be one, two or more, as shown in fig. 1, 3 and 4, one limiting side plate 2 corresponds to two supporting side bars 5, and the two supporting side bars 5 are arranged in parallel.

In some embodiments, referring to fig. 1 to 4, positioning holes 11 are formed in the basket panels 1, the positioning holes 11 on the two basket panels 1 are oppositely arranged, and the positioning holes 11 are used for being in butt joint with a conical press, so that the half basket is convenient to position during loading and unloading, and meanwhile, the overall weight of the half basket is reduced.

In an alternative, one of the basket panels 1 is provided with identification marks for identifying the direction of placement of the half-baskets. Therefore, when the semi-wafer basket is used each time, the placing direction of the semi-wafer basket is uniform, the phenomenon that the front and the back of the semi-wafer carried by the semi-wafer basket are disordered is avoided, and adverse effects are generated on the semi-wafer processing technology. Specifically, the identification mark may be an identification hole 12 formed on the basket panel 1, or a two-dimensional code or the like formed on the basket panel 1. The basket panel 1 provided with the identification mark can be positioned at the top of the half basket each time when the basket is used, and of course, the basket panel 1 provided with the identification mark can also be positioned at the bottom of the half basket each time when the basket is used.

In practical situations, as shown in fig. 1, 3 and 4, a carrying groove 13 for carrying half flower baskets is formed in one side, away from the limiting frame 4, of the flower basket panel 1, so that an operator can conveniently grasp and smoothly carry half flower baskets.

In some possible implementation manners, the groove depth of the first limiting groove 21 is smaller than 5mm, the groove depth of the second limiting groove 31 is smaller than 5mm, on one hand, the processing difficulty of the first limiting groove 21 and the second limiting groove 31 is reduced, and on the other hand, the contact area between the first limiting groove 21 and the second limiting groove and the half silicon wafer can be reduced, and the abrasion of the half silicon wafer is reduced as much as possible.

In specific implementation, the width of the first limiting groove 21 is 8mm to 11mm, and illustratively, the width of the first limiting groove 21 may be 8mm, 8.6mm, 9mm, 9.4mm, 10mm, 10.5mm, 11mm, etc., and specifically, based on practical situations, the width of the second limiting groove 31 may be equal to the width of the first limiting groove 21. On the one hand, the thickness range of the half silicon wafer which can be accommodated in the accommodating space is larger, and the application range of the flower basket is enlarged. On the other hand, the distance between the two adjacent first limit grooves 21 or the two adjacent second limit grooves 31 is not too small, so that the abrasion to the surfaces of the half silicon wafers is reduced in the process of feeding and discharging the half flower basket. Furthermore, the distance between two adjacent first limit grooves 21 or two adjacent second limit grooves 31 is not too large, the number of accommodating spaces can be increased under the condition that the distance between two basket panels 1 is fixed, the number of half silicon wafers which can be borne by half basket is increased, and the productivity of the silicon wafers is improved.

In some embodiments, the first limiting groove 21 is one of a V-shaped groove, a trapezoid groove or a square groove, and the second limiting groove 31 is one of a V-shaped groove, a trapezoid groove or a square groove. The present utility model is not particularly limited, and may be applied to actual situations.

In one example, the limiting frame 4 is a limiting rod or a limiting plate, as shown in fig. 1 to 4, the limiting frame 4 is a limiting rod, and the number of corresponding limiting rods in each accommodating space can be one, two or more, which is not particularly limited herein. When the limiting frame 4 is a limiting plate, the limiting plate may be a hollowed-out plate.

In addition, the embodiment of the utility model also provides a half silicon wafer loading and unloading system which comprises a conveyor belt, a conical press and the half basket, wherein the half basket is used for bearing silicon wafers, the conveyor belt is used for conveying half silicon wafers, and the conveyor belt is provided with loading and unloading stations. The conical press is used for being matched with the positioning hole 11 of the half flower basket and positioning the half flower basket at the loading and unloading station. Specifically, the conical press stretches into the positioning hole 11 to press and position the half-piece basket at the loading and unloading station, in this case, the half-piece silicon wafer carried by the half-piece basket can be transmitted to the conveyor belt, or the half-piece silicon wafer conveyed by the conveyor belt can be transferred into the half-piece basket.

The beneficial effects of the silicon wafer loading and unloading system provided by the embodiment of the utility model can refer to the beneficial effects of the half-wafer basket described in the first aspect or any possible implementation manner of the first aspect, and are not repeated here.

In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A half flower basket, characterized by comprising;

two oppositely arranged basket panels;

the two opposite limiting side plates are connected to the flower basket panels at two ends, a plurality of first limiting grooves are formed in one opposite surface of each limiting side plate, the first limiting grooves are distributed in the direction from one flower basket panel to the other flower basket panel, and the extending directions of the first limiting grooves are parallel to the flower basket panels;

the middle supporting plate is arranged between the two limiting side plates in parallel, two ends of the middle supporting plate are connected with the flower basket panel, and second limiting grooves corresponding to the first limiting grooves are formed in the surfaces of two sides of the middle supporting plate;

the limiting frame is positioned between the limiting side plate and the middle supporting plate, two ends of the limiting frame are connected to the flower basket panel, and the limiting frame is used for limiting and contacting with one side edge of the half silicon wafer; the first limit groove, the second limit groove corresponding to the first limit groove and the limit frame enclose to form an accommodating space for accommodating the half silicon wafer.

2. A half flower basket according to claim 1, wherein the distance between two adjacent first limiting grooves is 2.38mm to 5.44mm in the direction from one of the flower basket panels to the other flower basket panel.

3. The half flower basket according to claim 1, further comprising a support side bar, wherein two ends of the support side bar are connected to the flower basket panel, and a side of the limiting side plate, which is far away from the first limiting groove, is supported on the support side bar.

4. The half basket according to claim 1, wherein said basket panels are provided with positioning holes, said positioning holes on two of said basket panels being oppositely disposed, said positioning holes being adapted to interface with a tapered press.

5. The half flower basket according to claim 1, wherein one of the flower basket panels is provided with identification marks for identifying the placement direction of the half flower basket.

6. The half flower basket according to claim 1, wherein a carrying groove for carrying the half flower basket is formed in one side of the flower basket panel away from the limiting frame.

7. The half flower basket according to claim 1, wherein the first limiting groove has a groove depth of less than 5mm; and/or the groove depth of the second limiting groove is smaller than 5mm.

8. The half flower basket according to claim 1, wherein the first limiting groove is one of a V-groove, a trapezoidal groove or a square groove; or alternatively, the first and second heat exchangers may be,

the second limit groove is one of a V-shaped groove, a trapezoid groove or a square groove.

9. A half flower basket according to claim 1, wherein the stop is a stop bar or stop plate.

10. A half silicon chip loading and unloading system is characterized by comprising:

the half-wafer basket of any one of claims 1 to 9 for carrying half-wafer wafers;

the conveying belt is used for conveying the half silicon wafers and is provided with a loading and unloading station;

the conical press is used for being matched with the positioning holes of the half flower basket and positioning the half flower basket at the loading and unloading station.