Graphite boat sheet

Abstract

The utility model discloses a graphite boat sheet which comprises a plate body, a plurality of hollowed-out grooves are evenly formed in the top of the graphite plate body and penetrate to the bottom of the graphite plate body, graphite clamping points are arranged on the periphery of each hollowed-out groove, and arc surfaces are arranged on the top edge openings and the top edge openings of the hollowed-out grooves. When the battery piece is attached to the two sides of the graphite boat piece through a mechanical arm, the battery piece is slightly bent, and due to stress bending of a single-side coating film, the battery piece is slightly bent to abut against the edge opening of the hollowed-out groove, and the battery piece is protected through the arc face at the edge opening of the hollowed-out groove; and friction marks or damage caused by friction between the battery piece and the edge opening of the hollow groove can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of graphite boats, and specifically relates to a graphite boat sheet. Background Art

[0002] In the production and processing of solar wafers, there is a process called PECVD coating, whose function is to improve the solar conversion rate of the wafers. This process uses a graphite boat. The wafers are placed in the graphite boat, and through certain conditions, a chemical reaction occurs to deposit a layer of film on the surface of the wafers.

[0003] Currently, the chamfers of the hollow parts of the graphite boat sheet have edges and corners. During the process of the manipulator inserting and taking out the wafers, the wafers may be slightly bent, and it is easy to rub against the edges and corners, resulting in friction marks.

[0004] By adjusting the manipulator's position, the bending caused by the manipulator inserting the wafers can be improved, and the proportion of friction marks can be reduced, but it is difficult to completely solve the problem. At the same time, the bending caused by the stress after single-sided coating in some processes cannot be avoided, resulting in a continuously high proportion of friction marks on the production line and affecting the product yield. Summary of the Utility Model

[0005] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. In this part, as well as in the abstract and the title of the utility model of this application, some simplifications or omissions may be made to avoid obscuring the purpose of this part, the abstract, and the title of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] In view of the above and / or existing problems in a graphite boat sheet, the present utility model is proposed.

[0007] Therefore, the purpose of the present utility model is to provide a graphite boat sheet. By evenly arranging a plurality of hollow grooves on the top of the graphite plate body, the hollow grooves penetrate to the bottom of the graphite plate body, and graphite clamping points are arranged around each hollow groove. At the top edge and the top edge of the hollow groove, there are arc surfaces. When the manipulator fits the battery wafers on both sides of the graphite boat sheet, the battery wafers are slightly bent, and with the stress bending of single-sided coating, at this time, the slightly bent battery wafers abut against the edge of the hollow groove, and the arc surface at the edge of the hollow groove protects the battery wafers, preventing friction marks or damage caused by the friction between the battery wafers and the edge of the hollow groove.

[0008] To solve the above technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

[0009] A graphite boat sheet, which comprises:

[0010] Graphite plate body, a plurality of hollow grooves are provided at the top of the graphite plate body, the hollow grooves penetrate and extend to the bottom of the graphite plate body, and graphite clamping points are installed at both the top and the bottom of the graphite plate body for connecting battery cells, and arc surfaces are provided at both the top edge and the bottom edge of the hollow grooves.

[0011] As a preferred solution of a graphite boat sheet according to the present invention, further comprising a vacuum pumping assembly, the number of the vacuum pumping assemblies is the same as the number of the hollow grooves, the vacuum pumping assembly includes a fixed tube installed on the outer wall of the graphite plate body and a piston located inside the fixed tube, and one end of the fixed tube extends into the hollow groove.

[0012] As a preferred solution of a graphite boat sheet according to the present invention, a first guiding groove is provided at the tail end of the fixed tube, a second guiding groove is provided at the tail end of the first guiding groove, a pull rod is hinged to the side wall of the piston, the other end of the pull rod extends out of the tail end of the fixed tube, and the diameter of the pull rod is smaller than the diameters of the first guiding groove and the second guiding groove.

[0013] As a preferred solution of a graphite boat sheet according to the present invention, a T-shaped plate is installed on one side wall of the graphite plate body, a T-shaped groove matching with the T-shaped plate is provided at a position corresponding to the T-shaped plate on the other side wall of the graphite plate body, the lengths of the T-shaped plate and the T-shaped groove are the same, and the lengths of the T-shaped plate and the T-shaped groove are smaller than the length of the narrow side of the graphite plate body.

[0014] As a preferred solution of a graphite boat sheet according to the present invention, a fixing plate is installed at one end of the side wall of the graphite plate body close to the T-shaped plate, and a limiting hole is provided on the side wall of the fixing plate.

[0015] As a preferred solution of a graphite boat sheet according to the present invention, further comprising a limiting assembly, the limiting assembly includes a housing installed at one end of the side wall of the graphite plate body close to the T-shaped groove, a sliding plate slidably connected inside the housing, a spring installed on one side wall of the sliding plate, and a limiting plate installed on the other side wall of the sliding plate and extending out of the side wall of the housing.

[0016] Compared with the prior art: By uniformly providing a plurality of hollow grooves at the top of the graphite plate body, the hollow grooves penetrate to the bottom of the graphite plate body, graphite clamping points are provided around each hollow groove, and arc surfaces are provided at both the top edge and the top edge of the hollow groove. When the manipulator fits the battery cells on both sides of the graphite boat sheet, the battery cells are slightly bent, plus the stress bending of single-sided coating. At this time, the slight bending of the battery cells abuts against the edge of the hollow groove, and the arc surface at the edge of the hollow groove protects the battery cells, preventing friction marks or damage caused by the friction between the battery cells and the edge of the hollow groove. Description of the Drawings

[0017] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the present utility model will be described in detail below in conjunction with the accompanying drawings and detailed embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings. Among them:

[0018] Figure 1 It is an overall structure diagram of a graphite boat sheet of the present utility model;

[0019] Figure 2 It is a sectional structure diagram of a graphite boat sheet of the present utility model;

[0020] Figure 3 It is a graphite boat sheet of the present utility model Figure 2 Structural diagram at position A therein;

[0021] Figure 4 It is a splicing schematic diagram of two graphite plate bodies of a graphite boat sheet of the present utility model;

[0022] Figure 5 It is a graphite boat sheet of the present utility model Figure 4 Structural diagram at position B therein. Specific embodiments

[0023] To make the above objects, features and advantages of the present utility model more obvious and understandable, the specific embodiments of the present utility model will be described in detail below in conjunction with the accompanying drawings.

[0024] Secondly, the present utility model is described in detail in conjunction with the schematic diagrams. When detailing the embodiments of the present utility model, for the convenience of description, the sectional views showing the device structure will be enlarged locally out of the general proportion, and the schematic diagrams are only examples and should not limit the scope of protection of the present utility model herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0025] To make the purpose, technical solutions and advantages of the present utility model clearer, the embodiments of the present utility model will be further described in detail below in conjunction with the accompanying drawings.

[0026] The present utility model provides a graphite boat sheet. By evenly arranging a plurality of hollow slots on the top of the graphite plate body, the hollow slots penetrate through to the bottom of the graphite plate body. Graphite clamping points are arranged around each hollow slot, and arc surfaces are provided at the top edge and the top edge of the hollow slot. When the manipulator fits the battery sheet on both sides of the graphite boat sheet, the battery sheet is slightly bent. Coupled with the stress bending of single-sided coating, at this time, the slight bending of the battery sheet abuts against the edge of the hollow slot, and the arc surface at the edge of the hollow slot protects the battery sheet to prevent friction marks or damage caused by the friction between the battery sheet and the edge of the hollow slot.

[0027] Figures 1-5 Shown is the first structural schematic diagram of an implementation manner of a graphite boat sheet of the present utility model. Please refer to Figures 1-5 In this implementation manner, a graphite boat sheet includes a graphite plate body 100, a vacuum pumping assembly 200, and a limiting assembly 300.

[0028] A plurality of hollow slots 110 are arranged on the top of the graphite plate body 100, and the hollow slots 110 penetrate and extend to the bottom of the graphite plate body 100. Graphite clamping points 120 are installed on both the top and the bottom of the graphite plate body 100 for connecting the battery sheet. Arc surfaces 110a are provided at both the top edge and the bottom edge of the hollow slot 110. A T-shaped plate 130 is installed on one side wall of the graphite plate body 100, and a T-shaped groove 140 matching with the T-shaped plate 130 is provided at a position corresponding to the T-shaped plate 130 on the other side wall of the graphite plate body 100. The lengths of the T-shaped plate 130 and the T-shaped groove 140 are the same, and the lengths of the T-shaped plate 130 and the T-shaped groove 140 are less than the length of the narrow side of the graphite plate body 100. A fixing plate 150 is installed at one end of the side wall of the graphite plate body 100 close to the T-shaped plate 130, and a limiting hole 150a is provided on the side wall of the fixing plate 150. When it is necessary to process a plurality of battery sheets at one time, by inserting the T-shaped plate 130 of one graphite plate body 100 into the T-shaped groove 140 of another graphite plate body 100 until the side wall of the T-shaped plate 130 abuts against the inner wall of the T-shaped groove 140, at this time, the two graphite plate bodies 100 are aligned front and back, and the top and the bottom are flush, connecting the two graphite plate bodies 100, which is convenient for connecting a plurality of graphite plate bodies 100 according to the requirements of each processing, and is more flexible.

[0029] The number of the vacuum pumping assemblies 200 is the same as that of the hollow slots 110. The vacuum pumping assembly 200 includes a fixed tube 210 installed on the outer wall of the graphite plate body 100 and a piston 220 located inside the fixed tube 210. One end of the fixed tube 210 extends into the hollow slot 110. A first guiding groove 210a is formed at the tail end of the fixed tube 210, and a second guiding groove 210b is formed at the tail end of the first guiding groove 210a. A pull rod 220a is hinged to the side wall of the piston 220, and the other end of the pull rod 220a extends out of the tail end of the fixed tube 210. The diameter of the pull rod 220a is smaller than the diameters of the first guiding groove 210a and the second guiding groove 210b. When the battery cells are attached to both sides of the graphite plate body 100, the battery cells seal the openings on both sides of the hollow slot 110. At this time, pulling the pull rod 220a drives the piston 220 to move towards the tail end of the fixed tube 210, pumping the air inside the hollow slot 110 into the fixed tube 210, so that the negative pressure inside the hollow slot 110 adsorbs the battery cells on both sides until the piston 220 moves backward in place. At this time, flip the pull rod 220a and insert it into the first guiding groove 210a until the rod body of the pull rod 220a abuts against the front end of the first guiding groove 210a. Rotate the pull rod 220a to drive the piston 220 to rotate, and the pull rod 220a slides inside the second guiding groove 210b until the rod body of the pull rod 220a abuts against the side end of the second guiding groove 210b. At this time, the second guiding groove 210b limits the front and rear positions of the pull rod 220a and the piston 220.

[0030] The limiting assembly 300 includes a housing 310 installed at one end of the side wall of the graphite plate body 100 close to the T-shaped groove 140, a sliding plate 320 slidably connected inside the housing 310, a spring 330 installed on one side wall of the sliding plate 320, and a limiting plate 340 installed on the other side wall of the sliding plate 320 and extending out of the side wall of the housing 310. When connecting two graphite plate bodies 100, first pull the sliding plate 320 to move inside the housing 310 and compress the spring 330. The limiting plate 340 slides with the sliding plate 320 and retracts into the housing 310. At this time, embed the T-shaped plate 130 of one graphite plate body 100 into the T-shaped groove 140 of the other graphite plate body 100 until the side wall of the T-shaped plate 130 abuts against the inner wall of the T-shaped groove 140. At this time, release the sliding plate 320, and the spring 330 rebounds to push the sliding plate 320 and the limiting plate 340 to move towards the outside of the housing 310 until the limiting plate 340 penetrates the limiting hole 150a of the other graphite plate body 100, limiting and fixing the two graphite plate bodies 100.

[0031] Combined Figures 1-5, A graphite boat sheet according to this embodiment. For the existing graphite boat sheet, the battery cells are connected and installed using the clamping points. In order to save materials, a hollow groove is provided in the middle of the area where the battery cells are attached to the graphite boat sheet. However, the edge of the hollow groove is in a right-angled shape. When the manipulator attaches the battery cells to both sides of the graphite boat sheet, the slight deformation of the battery cells will occur during the attachment by the manipulator. Coupled with the stress bending of the single-sided coating, it is easy to cause friction between the battery cells and the edge of the hollow groove. The right-angled edge is very likely to leave friction marks on the side wall of the battery cells. In this application, the upper and lower edges of the hollow groove 110 both have arc surfaces 110a. When the battery cells are stress-bent when attached to the side wall of the graphite plate body 100, the battery cells are in contact with the upper and lower edges of the hollow groove 110, and the arc surfaces 110a can well protect the battery cells and effectively reduce the proportion of friction marks.

[0032] Although the present utility model has been described with reference to the embodiments above, various improvements can be made to it and components therein can be replaced with equivalents without departing from the scope of the present utility model. In particular, as long as there is no structural conflict, the various features in the disclosed embodiments of the present utility model can be combined with each other in any way. The reason for not exhaustively describing the situations of these combinations in this specification is only to save space and resources. Therefore, the present utility model is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. A graphite boat sheet, characterized in that, Including: A graphite plate body (100), on the top of the graphite plate body (100), a plurality of hollow grooves (110) are provided, the hollow grooves (110) penetrate and extend to the bottom of the graphite plate body (100), graphite clamping points (120) are installed on both the top and the bottom of the graphite plate body (100) for connecting battery cells, and arc surfaces (110a) are provided at both the top edge and the bottom edge of the hollow grooves (110).

2. The graphite boat sheet according to claim 1, characterized in that, It further includes a vacuum pumping assembly (200), the number of the vacuum pumping assemblies (200) is the same as the number of the hollow grooves (110), the vacuum pumping assembly (200) includes a fixed pipe (210) installed on the outer wall of the graphite plate body (100) and a piston (220) located inside the fixed pipe (210), and one end of the fixed pipe (210) extends into the interior of the hollow groove (110).

3. The graphite boat sheet according to claim 2, characterized in that, A first guiding groove (210a) is provided at the tail end of the fixed pipe (210), a second guiding groove (210b) is provided at the tail end of the first guiding groove (210a), a pull rod (220a) is hinged to the side wall of the piston (220), the other end of the pull rod (220a) extends out of the tail end of the fixed pipe (210), and the diameter of the pull rod (220a) is smaller than the diameters of the first guiding groove (210a) and the second guiding groove (210b).

4. A graphite boat sheet according to claim 1, characterized in that, A T-shaped plate (130) is installed on one side wall of the graphite plate body (100), a T-shaped groove (140) matched with the T-shaped plate (130) is provided at a position corresponding to the T-shaped plate (130) on the other side wall of the graphite plate body (100), the lengths of the T-shaped plate (130) and the T-shaped groove (140) are the same, and the lengths of the T-shaped plate (130) and the T-shaped groove (140) are smaller than the length of the narrow side of the graphite plate body (100).

5. A graphite boat sheet according to claim 4, characterized in that, A fixing plate (150) is installed at one end of the side wall of the graphite plate body (100) close to the T-shaped plate (130), and a limiting hole (150a) is provided on the side wall of the fixing plate (150).

6. The graphite boat sheet according to claim 4, wherein, It further includes a limiting assembly (300), the limiting assembly (300) includes a housing (310) installed at one end of the side wall of the graphite plate body (100) close to the T-shaped groove (140), a sliding plate (320) slidably connected inside the housing (310), a spring (330) installed on one side wall of the sliding plate (320), and a limiting plate (340) installed on the other side wall of the sliding plate (320) and extending out from the side wall of the housing (310).

Images