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CN-224227288-U - Quartz crucible forming rod

CN224227288UCN 224227288 UCN224227288 UCN 224227288UCN-224227288-U

Abstract

The application relates to the technical field of quartz crucible production, in particular to a quartz crucible forming rod which comprises a forming rod main body, a forming rod tip and a forming rod tip, wherein the forming rod main body is arranged in a hollow mode and is provided with a contour matched with a quartz crucible and comprises a bottom end and a top end, a plurality of positioning grooves are formed in the bottom end of the forming rod main body, the forming rod tip is movably arranged at the bottom end of the forming rod main body, one end of the forming rod tip is positioned in the bottom end of the forming rod main body and can be selectively clamped into any one of the positioning grooves, and the other end of the forming rod tip is positioned outside the bottom end of the forming rod main body so as to position the forming rod main body at different positions. The forming rod can be positioned at different positions by adjusting the forming rod tip to match different thicknesses of the inner quartz sand layer and the outer quartz sand layer when the quartz crucible is prepared, so that frequent replacement of the forming rod is avoided, and the operation process is simplified.

Inventors

  • BAI JINTAO
  • ZHAO LIANG
  • Gong Ruhao

Assignees

  • 包头晶澳太阳能科技有限公司

Dates

Publication Date
20260512
Application Date
20250424

Claims (13)

  1. 1. A quartz crucible forming rod, comprising: A molding rod body (1), wherein the molding rod body (1) is arranged in a hollow manner, has a contour matched with a quartz crucible and comprises a bottom end and a top end, a plurality of positioning grooves (11) are arranged in the bottom end of the molding rod body (1), and The forming rod tip (2) is movably arranged at the bottom end of the forming rod body (1), one end of the forming rod tip (2) is positioned inside the bottom end of the forming rod body (1) and can be selectively clamped into any one of a plurality of positioning grooves (11), and the other end of the forming rod tip is positioned outside the bottom end of the forming rod body (1) so as to position the forming rod body (1) at different positions.
  2. 2. The quartz crucible forming rod according to claim 1, wherein, The bottom of shaping stick main part (1) sets up to horizontal extension section (12), among the relative both ends of horizontal extension section (12) along the extending direction, keep away from the one end of the top of shaping stick main part (1) is sealed, is close to the one end of the top of shaping stick main part (1) is open and with the top intercommunication of shaping stick main part (1).
  3. 3. A quartz crucible forming rod according to claim 2, wherein, The forming rod tip (2) is longitudinally arranged; The positioning grooves (11) are arranged along the extending direction of the horizontal extending section (12) and are recessed inwards from the upper side wall of the horizontal extending section (12); The lower side wall of the horizontal extension section (12) is provided with a penetrating strip hole (121), and the forming rod tip (2) penetrates through the strip hole (121) and can slide along the extension direction of the horizontal extension section (12).
  4. 4. A quartz crucible forming rod according to claim 3, wherein, The shaped tip (2) comprises: the rod body (21) longitudinally penetrates through the strip hole (121); The movable clamping assembly (3) is positioned in the horizontal extension section (12), the lower end of the movable clamping assembly is rotatably connected with the top end of the rod body (21), and the upper end of the movable clamping assembly can be selectively clamped into any one of the positioning grooves (11).
  5. 5. The quartz crucible forming rod according to claim 4, wherein the mobile clamping assembly (3) comprises: A movable slide block (31), the lower end of which is rotatably connected with the top end of the rod body (21); The elastic clamping block (32) is connected to the upper end of the movable sliding block (31) in a lifting manner, and can be lifted up to be clamped into any one of the positioning grooves (11) or lowered down to be separated from any one of the positioning grooves (11) in the process that the forming rod tip (2) slides along a first direction, wherein the first direction is a direction away from the top end of the forming rod main body (1).
  6. 6. A quartz crucible forming rod according to claim 5, wherein, The elastic clamping block (32) comprises a clamping piece (321) and an elastic connecting piece (322) for connecting the clamping piece (321) and the movable sliding block (31); During the sliding of the forming rod tip (2) along the first direction, when the clamping piece (321) moves to correspond to any one of the positioning grooves (11), the elastic connecting piece (322) drives the clamping piece (321) to lift so as to clamp into any one of the positioning grooves (11).
  7. 7. The quartz crucible forming rod according to claim 6, wherein, The side wall of the positioning groove (11) is provided with a first sliding inclined surface (111), and the clamping piece (321) is provided with a second sliding inclined surface (3211) matched with the first sliding inclined surface (111); In the process of sliding the forming rod tip (2) along the first direction, the clamping piece (321) is driven to be lowered under the cooperation of the first sliding inclined surface (111) and the second sliding inclined surface (3211) so as to be separated from any one of the positioning grooves (11).
  8. 8. The quartz crucible forming rod according to claim 7, wherein, The movable sliding block (31) is far away from one end of the top end of the forming rod main body (1) and one closed end of the horizontal extension section (12) is connected with an elastic telescopic piece (4), and the other end of the movable sliding block (31) close to the top end of the forming rod main body (1) is connected with a pressing connecting piece (5) which extends to the top end of the forming rod main body (1) and is used for being pressed by external force.
  9. 9. The quartz crucible forming rod according to claim 8, wherein, The pressing connecting piece (5) comprises a pressing plunger (51) arranged at the top end of the forming rod main body (1) and a rigid connecting piece (52) arranged in the forming rod main body (1) and one end of which is connected with the pressing plunger (51) and the other end of which is connected with the movable sliding block (31).
  10. 10. A quartz crucible shaped rod according to any of claims 5-9, The inner wall of the horizontal extension section (12) is provided with a slideway (6), The slide (6) comprises an outgoing path (61) and a return path (62), the outgoing path (61) moving in the first direction from a starting position to an ending position, the return path (62) returning from the ending position to the starting position, Wherein the going-out path (61) at least comprises a section from the positioning groove (11) located at a head end position in the first direction to the positioning groove (11) located at a tail end position in the first direction of the elastic clamping block (32).
  11. 11. The quartz crucible forming rod according to claim 10, wherein, The travel-out path (61) comprises a travel-out Cheng Zhixian slideway (611) from the starting position to the ending position, and the notch of the positioning groove (11) is communicated with the travel-out Cheng Zhixian slideway (611); The return stroke (62) comprises an upper sliding arc-shaped slide rail (621), a return stroke linear slide rail (622) and a lower sliding arc-shaped slide rail (623) which are sequentially connected end to end, wherein the upper sliding arc-shaped slide rail (621) is connected with the end position of the go-to-Cheng Zhixian slide rail (611), and the lower sliding arc-shaped slide rail (623) is connected with the start position of the go-to-Cheng Zhixian slide rail (611).
  12. 12. The quartz crucible forming rod according to claim 10, wherein, The movable sliding block (31) is disc-shaped, the axial direction is along the first direction, a yielding groove (311) is formed in the circumferential surface of the movable sliding block (31), the yielding groove (311) extends along the circumferential surface direction of the movable sliding block (31), and a connecting shaft (312) extending along the first direction is arranged in the yielding groove (311); the upper end of the rod body (21) stretches into the yielding groove (311) and is rotatably connected to the connecting shaft (312).
  13. 13. The quartz crucible forming rod according to claim 1, wherein, The material of the molding rod main body (1) is a carbon-based composite material; And/or the forming rod main body (1) is also provided with a handle (7), and the surface of the handle (7) is provided with an anti-skid texture or an anti-skid coating.

Description

Quartz crucible forming rod Technical Field The application relates to the technical field of quartz crucible production, in particular to a quartz crucible forming rod. Background Quartz crucible is an important accessory for pulling solar, semiconductor single crystal silicon rods. When the quartz crucible is produced by adopting an arc method process, the high-purity quartz sand raw material is poured into a graphite mold or a metal mold, the quartz sand raw material is uniformly molded on the inner surface of the mold through a molding rod, then the mold is sent into a melting chamber, and the quartz sand is melted by the arc high temperature generated by a graphite electrode. In the quartz crucible forming process, the distance between the forming rod and the forming die is the thickness of the quartz sand layer, one end of the forming rod is fixed at the central shaft position, and the outline shape of the outer edge of the other end determines the length of the straight wall of the quartz crucible and the shape and the size of the R arc. In the prior art, in order to effectively prevent the mixture of sand materials of each layer, each layer of sand materials is formed in a layering way, and because the thickness from different sand layers to a forming die is different, a plurality of forming rods with different lengths are often adopted to form quartz sand of each layer. This greatly increases the complexity and operational difficulty of the treatment process. Therefore, it is necessary to design a quartz crucible molding rod to solve the above-mentioned technical problems. Disclosure of utility model The application provides a quartz crucible forming rod, which simplifies the operation flow, reduces the operation difficulty, greatly improves the convenience and the working efficiency of operators and effectively improves the quality of the manufactured quartz crucible. In order to solve the problems, the application provides a quartz crucible forming rod, which comprises a forming rod main body, a forming rod tip and a forming rod tip, wherein the forming rod main body is arranged in a hollow mode, has a profile matched with a quartz crucible, comprises a bottom end and a top end, a plurality of positioning grooves are formed in the bottom end of the forming rod main body, the forming rod tip is movably arranged at the bottom end of the forming rod main body, one end of the forming rod tip is positioned in the bottom end of the forming rod main body and can be selectively clamped into any one of the plurality of positioning grooves, and the other end of the forming rod tip is positioned outside the bottom end of the forming rod main body so as to position the forming rod main body at different positions. Alternatively, the bottom end of the molding rod body is provided with a horizontal extension section, and one end, far away from the top end of the molding rod body, of the opposite ends of the horizontal extension section along the extension direction is closed, and one end, close to the top end of the molding rod body, is open and communicated with the top end of the molding rod body. The forming rod tip is longitudinally arranged, a plurality of positioning grooves are arranged along the extending direction of the horizontal extending section and are recessed inwards from the upper side wall of the horizontal extending section, a penetrating strip hole is formed in the lower side wall of the horizontal extending section, and the forming rod tip can slide along the extending direction of the horizontal extending section after penetrating through the strip hole. The forming rod tip comprises a rod body longitudinally penetrating through the strip hole, and a movable clamping assembly located in the horizontal extension section, wherein the lower end of the movable clamping assembly is rotatably connected with the top end of the rod body, and the upper end of the movable clamping assembly can be selectively clamped into any one of the positioning grooves. The movable clamping assembly comprises a movable sliding block, an elastic clamping block and a clamping block, wherein the lower end of the movable sliding block is rotatably connected with the top end of the rod body, the elastic clamping block is connected with the upper end of the movable sliding block in a lifting mode, and can be lifted to be clamped into any one of a plurality of positioning grooves or lowered to be separated from any one of the positioning grooves in the process that the forming rod tip slides along a first direction, and the first direction is a direction away from the top end of the forming rod body. The elastic clamping block comprises a clamping piece and an elastic connecting piece for connecting the clamping piece and the movable sliding block, and the elastic connecting piece drives the clamping piece to lift to clamp into any one of the positioning grooves when the clamping piece moves to correspond to the any on