US-12623374-B2 - Lower jacking member, wire withdrawal method, and squaring machine

US12623374B2US 12623374 B2US12623374 B2US 12623374B2US-12623374-B2

Abstract

Disclosed are a lower jacking member, a wire withdrawal method based on the lower jacking member, and a squaring machine including the lower jacking member. The lower jacking member is used for axially fixing a bottom surface of an edge scrap formed by cutting a round rod, and a bottom outline of the edge scrap has a cutting edge. The lower jacking member includes at least two single components, and drive structures independently connected to the single components. A spacing between at least one of the single components and the cutting edge is different from a spacing between the rest of the single components and the cutting edge; and the drive structures are used for driving tops of the single components to abut against the bottom surface of the edge scrap.

Inventors

Haiwei LI
Chaojie Chen
Dejing HE
Wusen CHEN
Bo Li
XINGHUA LIANG
Shubin FAN
Guangjian ZHENG
Cien CHEN
Wenren Wang
Zhouchen Lin
Jinfeng Shen

Assignees

FUZHOU SKYWIRETECH CO., LTD.

Dates

Publication Date: 20260512
Application Date: 20230731
Priority Date: 20230719

Claims (20)

1 . A lower jacking member, for axially fixing a bottom surface of an edge scrap formed by cutting a round rod, a bottom outline of the edge scrap having a cutting edge, wherein the lower jacking member comprises at least two single components, and drive structures independently connected to the single components; a spacing between at least one of the single components and the cutting edge is different from a spacing between the rest of the single components and the cutting edge; and the drive structures are used for driving tops of the single components to abut against the bottom surface of the edge scrap.
2 . The lower jacking member according to claim 1 , wherein each of the single components comprises a base and a pressing block, wherein the base is connected to the drive structure, the pressing block is disposed on the base, and a top surface of the pressing block is higher than a top surface of the base; and a spacing between at least one of the pressing blocks and the cutting edge is different from a spacing between the rest of the pressing blocks and the cutting edge.
3 . A wire withdrawal method, wherein a lower wire withdrawal process of a cutting wire is performed by means of the lower jacking member according to claim 1 , the wire withdrawal method comprises following steps: moving a cutting wheel train to a cutting holding position, wherein an upper jacking structure, a upper jacking member, a lower jacking structure and the lower jacking member abut against a top surface and a bottom surface of a monocrystalline silicon rod respectively; moving the upper jacking member upward to allow the cutting wire to move radially to a cutting position, afterwards moving the upper jacking member downward to abut against the top surface of the monocrystalline silicon rod again; cutting the monocrystalline silicon rod from top to bottom along an axis direction of the monocrystalline silicon rod by the cutting wire, so as to form the edge scrap, wherein a top surface of the edge scrap is supported and held in place by the upper jacking member, and the bottom surface of the edge scrap is supported and held in place by the lower jacking member; moving a pressure head with a small spacing from a straight line downward to allow the cutting wire to move transversely for withdrawal to a position between two adjacent pressure heads, wherein the straight line is the cutting edge; moving the pressure head with the small spacing from the straight line upward to abut against the bottom surface of the edge scrap again, the cutting wire being located between the two adjacent pressure heads, and a withdrawal movement being prevented by the pressure head with a large spacing from the straight line; moving the pressure head with the large spacing from the straight line downward to allow the cutting wire to withdraw; the cutting wire completely withdrawing from the lower jacking member and moving to the cutting holding position; and moving the pressure head with the large spacing from the straight line upward to abut against the bottom surface of the edge scrap again.
4 . The wire withdrawal method according to claim 3 , wherein at least one of the single components abuts against the bottom surface of the edge scrap in the lower wire withdrawal process of the cutting wire by means of sequence control over the single components.
5 . The wire withdrawal method according to claim 4 , wherein the sequence control is to control vertical displacement of the pressing blocks successively from a pressing block with a smallest spacing from the cutting edge to a pressing block with a largest spacing from the cutting edge in the lower wire withdrawal process of the cutting wire.
6 . A squaring machine, comprising the lower jacking members according to claim 1 .
7 . The squaring machine according to claim 6 , comprising edge scrap cutting structures, a feeding and discharging structure, a transferring structure, and an edge scrap receiving structure, wherein the lower jacking members are mounted in the edge scrap cutting structures; and the transferring structure is disposed among the feeding and discharging structure, the edge scrap cutting structures and the edge scrap receiving structure, and used for transferring round rods from the feeding and discharging structure into the edge scrap cutting structures, transferring edge scraps formed by cutting in the edge scrap cutting structures into the edge scrap receiving structure, and transferring square rods formed by cutting in the edge scrap cutting structures into the feeding and discharging structure.
8 . The squaring machine according to claim 7 , wherein the feeding and discharging structure comprises a machine table, feeding structures, discharging structures, transverse displacement structures, and at least one turnover structure, wherein the feeding structures, the discharging structures and the transverse displacement structures are mounted on the machine table, the feeding structures and the discharging structures are hinged to the transverse displacement structures, and the turnover structures are located in the machine table and located below the feeding structures and the discharging structures.
9 . The squaring machine according to claim 8 , wherein the feeding structure or the discharging structure comprises a bottom platform, two side plates disposed on the bottom platform, an ejector block, and a supporting assembly, wherein the side plates are vertically disposed on a surface of the bottom platform, the two side plates are parallel and spaced apart, rollers are disposed on inner walls and outer walls of the side plates, the supporting assembly is disposed at one ends of the side plates in a length direction, the ejector block is disposed at the other ends of the side plates in the length direction, and the ejector block is located between the two side plates.
10 . The squaring machine according to claim 9 , wherein the supporting assembly comprises guide rails, two sliders disposed on the two guide rails, veneers disposed on the sliders, and an air cylinder connected to at least one of the sliders.
11 . The squaring machine according to claim 8 , wherein the turnover structure comprises a connecting rod, a first connecting seat hinged to one end of the connecting rod, a turnover drive piece hinged to a middle of the connecting rod, and a second connecting seat hinged to the turnover drive piece.
12 . The squaring machine according to claim 8 , wherein a plurality of feeding structures are provided, a plurality of discharging structures are provided, and the feeding structures and the discharging structures are provided with the corresponding turnover structures.
13 . The squaring machine according to claim 7 , wherein the transferring structure comprises a rotary table, and a round rod clamping structure, an edge scrap clamping structure and a square rod clamping structure disposed on side faces of the rotary table respectively.
14 . The squaring machine according to claim 7 , wherein each of the edge scrap cutting structures comprises a main framework, two cutting structures disposed opposite to each other, an upper jacking structure, a lower jacking structure, and a bearing platform, wherein the cutting structures are mounted on the main framework, the upper jacking structure is mounted on the main framework and located between the two cutting structures, the main framework and the lower jacking structure are fixed to the bearing platform, the lower jacking structure and the upper jacking structure are mounted axisymmetrically, an upper jacking member is mounted on the upper jacking structure, and the lower jacking member is mounted on the lower jacking structure.
15 . The squaring machine according to claim 7 , wherein the edge scrap receiving structure comprises an edge scrap clamping jaw assembly, an edge scrap receiving table, and an edge scrap receiving box placed on the edge scrap receiving table.
16 . The squaring machine according to claim 15 , wherein the edge scrap clamping jaw assembly comprises a mounting framework, an upper edge scrap clamping jaw, a lower edge scrap clamping jaw, a vertical drive structure, a transverse drive structure, and a rotating structure, wherein the vertical drive structure is mounted on the mounting framework and used for controlling a spacing between the upper edge scrap clamping jaw and the lower edge scrap clamping jaw; and the transverse drive structure and the rotating structure are mounted on the mounting framework, the transverse drive structure is used for driving the mounting framework to move transversely, and the rotating structure is used for driving the mounting framework to rotate around a Z axis.
17 . The squaring machine according to claim 16 , wherein a limiting structure is disposed at a bottom of the edge scrap receiving box.
18 . The squaring machine according to claim 15 , wherein an overall height of the edge scrap receiving box is smaller than a height of the edge scrap.
19 . The squaring machine according to claim 15 , further comprising a traveling trolley, wherein the edge scrap receiving box is fixed to the traveling trolley, a first positioning structure is disposed at an end, facing the edge scrap clamping jaw assembly, of the traveling trolley, and a second positioning structure matching the first positioning structure is disposed at a position, corresponding to the first positioning structure, of the edge scrap receiving table.
20 . The squaring machine according to claim 7 , wherein a cutting wire for forming the cutting edge is a ring wire.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS This application claims priority to Chinese Patent Application No. 202310884110.8, filed on Jul. 19, 2023, the content of which is incorporated herein by reference in its entirety. TECHNICAL FIELD The present disclosure relates to squaring equipment for monocrystalline silicon rods, in particular to a lower jacking member, a wire withdrawal method based on the lower jacking member, and a squaring machine including the lower jacking member. BACKGROUND In the prior art, monocrystalline silicon rods (round rods) generally require squaring to obtain square rods, and edge scraps left after cutting are recovered. During squaring of the monocrystalline silicon rods, the edge scraps generally need to be fixed axially so as to avoid toppling and other problems during squaring. SUMMARY In order to overcome the above defects in the prior art, the present disclosure provides a lower jacking member capable of keeping edge scraps stable in the wire withdrawal process, a wire withdrawal method based on the lower jacking member, and a squaring machine including the lower jacking member. In order to solve the above technical problems, the present disclosure provides a lower jacking member for axially fixing a bottom surface of an edge scrap formed by cutting a round rod, a bottom outline of the edge scrap having a cutting edge, wherein the lower jacking member includes at least two single components, and drive structures independently connected to the single components:a spacing between at least one of the single components and the cutting edge is different from a spacing between the rest of the single components and the cutting edge; andthe drive structures are used for driving tops of the single components to abut against the bottom surface of the edge scrap. Further, each of the single components includes a base and a pressing block, wherein the base is connected to the drive structure, the pressing block is disposed on the base, and a top surface of the pressing block is higher than a top surface of the base; and a spacing between at least one of the pressing blocks and the cutting edge is different from a spacing between the rest of the pressing blocks and the cutting edge. Further, a wire withdrawal method is provided. A lower wire withdrawal process of a cutting wire is performed by means of the lower jacking member described above. Further, at least one of the single components abuts against the bottom surface of the edge scrap in the lower wire withdrawal process of the cutting wire by means of sequence control over the single components. Further, the sequence control is to control vertical displacement of the pressing blocks successively from a pressing block with a smallest spacing from the cutting edge to a pressing block with a largest spacing from the cutting edge in the lower wire withdrawal process of the cutting wire. Furthermore, a squaring machine is provided. The squaring machine includes the lower jacking members described above. Further, the squaring machine includes edge scrap cutting structures, a feeding and discharging structure, a transferring structure, and an edge scrap receiving structure, wherein the lower jacking members are mounted in the edge scrap cutting structures; andthe transferring structure is disposed among the feeding and discharging structure, the edge scrap cutting structures and the edge scrap receiving structure, and used for transferring round rods from the feeding and discharging structure into the edge scrap cutting structures, transferring edge scraps formed by cutting in the edge scrap cutting structures into the edge scrap receiving structure, and transferring square rods formed by cutting in the edge scrap cutting structures into the feeding and discharging structure. Further, the feeding and discharging structure includes a machine table, feeding structures, discharging structures, transverse displacement structures, and at least one turnover structure, wherein the feeding structures, the discharging structures and the transverse displacement structures are mounted on the machine table, the feeding structures and the discharging structures are hinged to the transverse displacement structures, and the turnover structures are located in the machine table and located below the feeding structures and the discharging structures. Further, the feeding structure or the discharging structure includes a bottom platform, two side plates disposed on the bottom platform, an ejector block, and a supporting assembly, wherein the side plates are vertically disposed on a surface of the bottom platform, the two side plates are parallel and spaced apart, rollers are disposed on inner walls and outer walls of the side plates, the supporting assembly is disposed at one ends of the side plates in a length direction, the ejector block is disposed at the other ends of the side plates in the length direction, and the ejector block is located between the t