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CN-224234146-U - Hollow-out-free flaked graphite boat

CN224234146UCN 224234146 UCN224234146 UCN 224234146UCN-224234146-U

Abstract

The utility model discloses a hollowed-out-free flaked graphite boat, which relates to the technical field of photovoltaic solar energy and comprises a graphite boat outer sheet, a graphite boat inner sheet, a graphite clamping point, a first fixing part used for fixing a first boat ear and a third boat ear and fixing a fourth boat ear on each graphite boat inner sheet, and a second fixing part used for fixing the graphite boat outer sheet and the graphite boat inner sheet. The device reduces the technological risk of customers by designing the graphite boat into a mode of combining the outer piece of the graphite boat with the inner piece of the graphite boat, eliminates the production mechanism of graphite boat printing and scratching from the source, removes the inner frame and chamfer angle of the original mechanism, optimizes two processing procedures in the original production process, greatly reduces the processing cost, saves the processing time, simultaneously optimizes the structure, and also improves the productivity by the design that the thickness of the boat piece is changed from 2.5mm into 4mm for the outer piece, 1.7mm for the inner piece and improves the silicon chip loading capacity by 10%.

Inventors

  • Kui Ke
  • NI GUANGCHAO
  • XIAO JIE
  • ZHANG QUAN
  • HUANG XU

Assignees

  • 深圳市石金科技股份有限公司

Dates

Publication Date
20260512
Application Date
20250422

Claims (8)

  1. 1. The utility model provides a no fretwork flaked graphite boat, includes graphite boat outer piece (1), graphite boat outer piece (1) have two, its characterized in that, graphite boat outer piece (1) one end is provided with first boat ear (2), the other end of graphite boat outer piece (1) is provided with second boat ear (3), still includes: The graphite boat inner sheets (4) are multiple, the multiple graphite boat inner sheets (4) are equidistantly arranged between the two graphite boat outer sheets (1), third boat ears (5) are arranged on the graphite boat inner sheets (4), the projection of the third boat ears (5) on the graphite boat outer sheets (1) is overlapped with the first boat ears (2), and fourth boat ears (6) are further arranged on the graphite boat inner sheets (4); The graphite clamping points (7) are arranged on the graphite boat inner sheet (4) and the graphite boat outer sheet (1); The first fixing hole (8) is penetrated and arranged on the first navicular (2), the second navicular (3), the third navicular (5) and the fourth navicular (6); The second fixing hole (9) is penetrated and arranged on the graphite boat outer sheet (1) and the graphite boat inner sheet (4); the first fixing parts are provided with a plurality of groups and are used for fixing the first boat ears (2) and the third boat ears (5) and fixing the fourth boat ears (6) on each graphite boat inner sheet (4); The second fixing parts are provided with a plurality of groups and are used for fixing the graphite boat outer sheets (1) and the graphite boat inner sheets (4).
  2. 2. The hollowed-out flaked graphite boat according to claim 1, wherein a ceramic sleeve (10) is arranged between the outer graphite boat sheet (1) and the inner graphite boat sheet (4), and a ceramic sleeve (10) is also arranged between the inner graphite boat sheets (4), and the axis of the ceramic sleeve (10) coincides with the axis of the first fixing hole (8).
  3. 3. The hollowed-out flaked graphite boat according to claim 2, wherein first graphite spacer particles (11) are arranged between the first boat ear (2) and the third boat ear (5), and first graphite spacer particles (11) are also arranged between the third boat ears (5).
  4. 4. A non-hollowed-out flaked graphite boat according to claim 3, wherein second graphite spacer blocks (12) are arranged between the fourth boat ears (6).
  5. 5. The hollowed-out flaked graphite boat of claim 4 wherein the first fixing portion comprises: The first ceramic rod (13) is penetrated through the first fixing holes (8) of the first navicular (2) and the third navicular (5), the first ceramic rod (13) is penetrated through the first fixing holes (8) of the second navicular (3) and the fourth navicular (6), and the first ceramic rod (13) is penetrated through the first fixing holes (8) of the fourth navicular (6) on each graphite boat inner sheet (4); and the fastening pieces are arranged at the two ends of the first ceramic rod (13) in a threaded manner.
  6. 6. The hollowed-out flaked graphite boat of claim 5 wherein the second fixing portion comprises: The second ceramic rod (14) is arranged on the second fixing hole (9) on the graphite boat outer sheet (1) and the graphite boat inner sheet (4) in a penetrating way, and the two ends of the second ceramic rod (14) are also provided with fastening pieces for locking.
  7. 7. The hollowed-out flaked graphite boat of claim 6 wherein the fasteners comprise: the carbon-carbon elastic pad (15) is sleeved on the ceramic rod; A carbon-carbon flat pad (16) sleeved on the ceramic rod; and the graphite nut (17) is arranged on the ceramic rod and is in threaded connection with the ceramic rod.
  8. 8. The hollowed-out flaked graphite boat according to claim 7, wherein the thickness of the outer graphite boat sheet (1) is 4mm, and the thickness of the inner graphite boat sheet (4) is 1.7mm.

Description

Hollow-out-free flaked graphite boat Technical Field The utility model relates to the technical field of photovoltaic solar energy, in particular to a hollowed-out flaked graphite boat. Background Along with the continuous development of photovoltaic cell technology, graphite boats are also continuously developed, the inner frame of a boat sheet has various sizes in the market due to the adjustment of the size of a silicon wafer and a coating process, and the edges of the inner frame need different types of chamfering treatment due to the reduction of the requirements of silicon wafer scratch and frame mark indexes, so that the processing difficulty and the processing cost are further increased, and under the great trend of market cost reduction and efficiency improvement, the optimization of the whole boat structure is very necessary. Disclosure of utility model Aiming at the defects existing in the prior art, the utility model aims to provide a hollowed-out flaked graphite boat which aims to solve the technical problems. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a no fretwork flaked graphite boat, includes graphite boat outer piece, graphite boat outer piece has two, the one end of graphite boat outer piece is provided with first boat ear, the other end of graphite boat outer piece is provided with the second boat ear, still includes: The graphite boat inner sheets are arranged between the two graphite boat outer sheets at equal intervals, a third boat ear is arranged on each graphite boat inner sheet, the projection of the third boat ear on each graphite boat outer sheet coincides with the first boat ear, and a fourth boat ear is also arranged on each graphite boat inner sheet; The graphite clamping points are arranged on the inner graphite boat sheet and the outer graphite boat sheet; the first fixing hole is penetrated and arranged on the first navicular, the second navicular, the third navicular and the fourth navicular; the second fixing hole is penetrated and arranged on the graphite boat outer sheet and the graphite boat inner sheet; The first fixing parts are provided with a plurality of groups and are used for fixing the first navicular and the third navicular and fixing the fourth navicular on each graphite boat inner piece; The second fixing parts are provided with a plurality of groups and are used for fixing the graphite boat outer sheets and the graphite boat inner sheets. Preferably, a ceramic sleeve is arranged between the graphite boat outer sheet and the graphite boat inner sheet, and a ceramic sleeve is also arranged between each graphite boat inner sheet, and the axis of the ceramic sleeve coincides with the axis of the first fixing hole. Preferably, a first graphite spacer is arranged between the first and third navicular, and a first graphite spacer is also arranged between each third navicular. Preferably, a second graphite spacer is arranged between the fourth navicular region. Preferably, the first fixing part includes: The first ceramic rods penetrate through first fixing holes of the first navicular and the third navicular, the first ceramic rods penetrate through the first fixing holes of the second navicular and the fourth navicular, and the first ceramic rods penetrate through the first fixing holes of the fourth navicular on the inner piece of the graphite boat; the fastening piece is arranged at two ends of the first ceramic rod in a threaded mode. Preferably, the second fixing part includes: The second ceramic rod penetrates through the second fixing holes in the graphite boat outer sheet and the graphite boat inner sheet, and fastening pieces for locking are also arranged at two ends of the second ceramic rod. Preferably, the fastener comprises: The carbon-carbon elastic pad is sleeved on the ceramic rod; the carbon-carbon flat pad is sleeved on the ceramic rod; and the graphite nut is arranged on the ceramic rod and is in threaded connection with the ceramic rod. Preferably, the thickness of the outer piece of the graphite boat is 4mm, and the thickness of the inner piece of the graphite boat is 1.7mm. In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows: the device reduces the technological risk of customers by designing the graphite boat into a mode of combining the outer piece of the graphite boat with the inner piece of the graphite boat, eliminates the production mechanism of graphite boat printing and scratching from the source, removes the inner frame and chamfer angle of the original mechanism, optimizes two processing procedures in the original production process, greatly reduces the processing cost, saves the processing time, simultaneously optimizes the structure, and also improves the productivity by the design that the thickness of the boat piece is changed from 2.5mm into 4mm for the outer piece, 1.7mm for t