CN-117584302-B - Double-station adjustable cutting head type loop wire cutter

CN117584302BCN 117584302 BCN117584302 BCN 117584302BCN-117584302-B

Abstract

The application relates to the technical field of photovoltaic and semiconductor processing, in particular to a double-station adjustable cutting head type loop wire cutter. Because two cutting head devices are adjustable cutting head at least, adjustable cutting head includes cutting head body, beat mechanism and elevating system, drive cutting head body elevating system through elevating system, so that the radial cross section cutting of cutting head body to the silicon rod, after the cutting head body finishes to the radial cross section cutting of silicon rod, beat mechanism drives the cutting head body on the elevating system and uses the top middle part of beat mechanism's top to swing on the plane of vertical direction as the center so that the radial cross section of silicon rod is kept away from to the cutting head body, the wearing and tearing of diamond wire on the cutting head body and the contact of radial cross section and diamond wire of avoiding the silicon rod scratch, and guaranteed machining precision. Meanwhile, the application improves the processing efficiency for the double-station design.

Inventors

LI BINQUAN
LIU XIUKUN
JIN HUAFU
LIU YANG
SONG WEIQING
LIU SHANLIN

Assignees

大连连城数控机器股份有限公司

Dates

Publication Date: 20260505
Application Date: 20231227

Claims (8)

1. The double-station adjustable cutting head type loop wire cutting machine is characterized by comprising two silicon rod pushing and leaning devices (1) which are arranged in parallel and a cutting head group which is arranged between the two silicon rod pushing and leaning devices; The cutting head group comprises two cutting head devices, the two cutting head devices correspond to the two groups of silicon rod pushing devices (1) one by one, the cutting head devices are correspondingly arranged above the front sides of the silicon rod pushing devices (1), the silicon rod pushing devices (1) are used for abutting and pushing silicon rods (3) on the silicon rod pushing devices to a preset position, the cutting head devices are used for cutting the silicon rods (3), the axial direction of the silicon rods (3) is the same as the length direction of the silicon rod pushing devices (1), and at least one of the cutting head devices is an adjustable cutting head (2); the adjustable cutting head (2) comprises a cutting head body (21), a deflection mechanism (22) and a lifting mechanism (23), wherein the cutting surface of the cutting head body (21) is used for cutting the radial cross section of the silicon rod (3); the cutting head body (21) is arranged on the lifting mechanism (23), and the lifting mechanism (23) drives the cutting head body (21) to move up and down; the lifting mechanism (23) is arranged on the deflection mechanism (22), and the deflection mechanism (22) drives the lifting mechanism (23) and the cutting head body (21) on the lifting mechanism to swing left and right on a plane in the vertical direction by taking the middle part of the top end of the deflection mechanism (22) as the center so as to enable the cutting surface of the cutting head body (21) to be far away from or close to the radial cross section of the silicon rod (3); the left-right swinging direction of the deflection mechanism (22) is the axial direction of the silicon rod (3), and the deflection mechanism (22) comprises a mounting frame (221), a second connecting plate (222), a rotating shaft assembly (223), two groups of vertical feeding assemblies (224), two deflection assemblies (225) and at least one group of arc-shaped sliding assemblies (226); The rotary shaft assembly (223) is arranged in the middle of the top end of the mounting frame (221), two groups of vertical feeding assemblies (224) are respectively arranged on two sides of the lower end of the mounting frame (221), and the arc-shaped sliding assemblies (226) are arranged on the mounting frame (221) at intervals by taking the rotary shaft assembly (223) as a circle center; The lifting mechanism (23) is arranged on one side, far away from the mounting frame (221), of the second connecting plate (222), the middle part of the top end of the second connecting plate (222) is rotationally connected with the rotating shaft assembly (223), and the sliding part of the arc-shaped sliding assembly (226) is connected with one side, close to the mounting frame (221), of the second connecting plate (222); the sliding parts of the two groups of vertical feeding assemblies (224) are correspondingly arranged on two sides of the second connecting plate (222) and respectively drive the lower end of the second connecting plate (222) to deflect by taking the rotating shaft assembly (223) as a circle center through the deflection assembly (225); Both of the yaw assemblies (225) include an abutment roller unit (2251) and a wedge (2252); The abutting roller unit (2251) comprises a connecting seat (22511) and a second roller (22512), wherein the second roller (22512) is rotationally connected with the connecting seat (22511), the axes of the second rollers (22512) are arranged in parallel, and the second roller (22512) rotates along the axis thereof; the connecting seats (22511) of the two deflection assemblies (225) are detachably connected to two sides of the lower end of the second connecting plate (222), and the second rollers (22512) are abutted to the wedge blocks (2252); The wedges (2252) of the two deflection assemblies (225) are respectively connected with sliding parts of the two groups of vertical feeding assemblies (224), and inclined surfaces of the two wedges (2252) are arranged in parallel; When the sliding parts of the two vertical feeding assemblies (224) move in the same direction, the wedge blocks (2252) enable the lower end of the second connecting plate (222) to swing around the rotating shaft assembly (223) serving as a circle center through the abutting roller unit (2251).
2. The dual-station adjustable cutting-head type loop cutter according to claim 1, wherein the two groups of vertical feeding assemblies (224) comprise vertical sliding tables (2241) and second sliding blocks (2242) which are connected with the vertical sliding tables (2241) in a sliding manner; The vertical sliding tables (2241) of the two groups of vertical feeding assemblies (224) are respectively arranged at two sides of the lower end of the mounting frame (221); The wedge block (2252) is connected with the second sliding block (2242), and the vertical sliding table (2241) drives the wedge block (2252) to move up and down through the second sliding block (2242).
3. The dual-station adjustable cutting-head type loop cutter as set forth in claim 1, wherein the arc-shaped sliding assembly (226) comprises a fixed block (2261) and a sliding block (2262); One side of the fixed block (2261) is connected with the mounting frame (221), an arc-shaped groove (2263) is formed in the other side of the fixed block (2261), and the sliding block (2262) slides along the arc-shaped groove (2263); The second connecting plate (222) is in sliding connection with the fixed block (2261) through the sliding block (2262).
4. The double-station adjustable cutting-head type loop cutter according to claim 1, wherein the silicon rod pushing device (1) comprises a supporting component (11) and a pushing mechanism (12); a through groove (13) extending along the length direction of the supporting component (11) is formed in the supporting component, the cutting head body (21) is positioned above the front side of the supporting component (11), and the deflection mechanism (22) is positioned between the supporting components (11) of the two silicon rod pushing devices (1); The upper end of the supporting component (11) is used for supporting the silicon rod (3), and the silicon rod (3) is connected with the supporting component (11) in a sliding manner along the length direction; The pushing mechanism (12) is positioned in the through groove (13), and the pushing mechanism (12) moves along the length direction of the supporting component (11) to abut against and push the nose cone of the silicon rod (3).
5. The double-station adjustable cutting-head type loop cutter according to claim 4, wherein the pushing mechanism (12) comprises a pushing seat (121), two groups of pushing components (122) and a driving component (123); the two groups of pushing components (122) are arranged on one side, close to the silicon rod (3), of the pushing seat (121), and the two groups of pushing components (122) correspond to two sides of a nose cone of the silicon rod (3) respectively; The connection side of the pushing component (122) is connected with the pushing seat (121), and the pushing side of the pushing component (122) rotates along the axis of the pushing component to be attached to the nose cone of the silicon rod (3); The driving assembly (123) drives the pushing seat (121) to move along the length direction of the supporting assembly (11) so that the pushing assembly (122) abuts against the nose cone of the silicon rod (3) and pushes the silicon rod (3).
6. The dual-station adjustable cutting-head type loop cutter as claimed in claim 5, wherein the pushing component (122) comprises a first connecting plate (1221), a roller pushing unit (1222), a pushing block (1223) and two limit connecting columns (1224); The first connecting plate (1221) is arranged on one side of the pushing seat (121) close to the silicon rod (3), and two sliding grooves (1225) which are horizontally arranged are formed in the first connecting plate (1221); One ends of the two limit connecting columns (1224) are respectively positioned in the two sliding grooves (1225) and slide along the sliding grooves (1225), and the other ends of the two limit connecting columns (1224) are rotationally connected with the pushing block (1223); The roller pushing unit (1222) is arranged on the first connecting plate (1221), a rolling surface of the roller pushing unit (1222) is abutted against the pushing block (1223), and the rolling surface rotates along a vertical axis.
7. The dual-position adjustable cutting-head type loop cutter as set forth in claim 6, wherein said pushing assembly (122) further comprises at least one return spring (1226); The return spring (1226) is arranged in parallel with the limit connecting column (1224); one end of the return spring (1226) is connected with the first connecting plate (1221), and the other end of the return spring (1226) is connected with the pushing block (1223).
8. The dual-station adjustable cutting-head type loop cutter as claimed in claim 6, wherein the roller pushing unit (1222) comprises a support (12221), a hinge shaft (12222) and at least one first roller (12223); The first roller (12223) is sleeved on the hinge shaft (12222), the hinge shaft (12222) is vertically arranged on the first connecting plate (1221) in an orientation through the support (12221), and the hinge shaft (12222) is rotationally connected with the support (12221); the rolling surface of the first roller (12223) is abutted against the pushing block (1223); The side of the pushing block (1223) close to the silicon rod (3) is an inclined surface.

Description

Double-station adjustable cutting head type loop wire cutter Technical Field The invention relates to the technical field of photovoltaic and semiconductor processing, in particular to a double-station adjustable cutting head type loop wire cutter. Background At present, in the processing process of a silicon rod, the silicon rod is required to be placed on a processing platform in a horizontal direction, and then the silicon rod is cut along the radial cross section of the silicon rod from top to bottom through a cutting head of a silicon rod cutter so as to form a cut sample wafer or a silicon rod with a required length. In the prior art, when the cutting head is used for cutting, the diamond wire is easy to contact with the radial cross section of the silicon rod when the cutting head is used for lifting the cutter, the abrasion of the diamond wire is increased, the perpendicularity of the cutting head and the radial cross section of the silicon rod after the cutting head is used for multiple times is also not adjustable, machining errors exist during subsequent cutting, and most of cutting machines are low in single-station design machining efficiency. Disclosure of Invention First, the technical problem to be solved In view of the above-mentioned shortcomings and disadvantages of the prior art, the invention provides a double-station adjustable cutting head type loop wire cutting machine, which solves the technical problems that in the prior art, the cutting head is low in machining efficiency, is easy to contact with the radial cross section of a silicon rod for rubbing, increases the abrasion of a diamond wire, and the perpendicularity of the cutting head and the radial cross section of the silicon rod after being used for many times is not adjustable, and machining errors exist in the follow-up cutting process. (II) technical scheme In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps: The embodiment of the invention provides a double-station adjustable cutting head type loop cutting machine which comprises two parallel silicon rod pushing devices and a cutting head group arranged between the two silicon rod pushing devices, wherein the cutting head group comprises two cutting head devices, the two cutting head devices correspond to the two silicon rod pushing devices one by one, the cutting head devices are correspondingly arranged above the front sides of the silicon rod pushing devices, the silicon rod pushing devices are used for abutting against and pushing silicon rods on the silicon rod pushing devices to a preset position, the cutting head devices are used for cutting the silicon rods, the axial direction of the silicon rods is the same as the length direction of the silicon rod pushing devices, at least one cutting head device is an adjustable cutting head, the adjustable cutting head comprises a cutting head body, a deflection mechanism and a lifting mechanism, the cutting surface of the cutting head body is used for cutting the radial cross section of the silicon rod, the cutting head body is arranged on the lifting mechanism, the lifting mechanism drives the cutting head body to move up and down, the deflection mechanism drives the lifting mechanism and the cutting head body on the lifting mechanism to swing the plane of the silicon rod body on the deflection mechanism in the left and right direction of the vertical direction by taking the top middle of the deflection mechanism as the center, and the axial direction of the silicon rod is the radial direction of the cutting head body to be far away from the left or right direction of the cutting surface of the silicon rod. The deflection mechanism comprises a mounting frame, a second connecting plate, a rotating shaft assembly, two groups of vertical feeding assemblies, two deflection assemblies and at least one group of arc-shaped sliding assemblies, wherein the rotating shaft assembly is arranged in the middle of the top end of the mounting frame, the two groups of vertical feeding assemblies are respectively arranged on two sides of the lower end of the mounting frame, the arc-shaped sliding assemblies are arranged on the mounting frame at intervals by taking the rotating shaft assembly as a circle center, the lifting mechanism is arranged on one side, far away from the mounting frame, of the second connecting plate, the middle of the top end of the second connecting plate is rotationally connected with the rotating shaft assembly, the sliding parts of the arc-shaped sliding assemblies are connected with one side, close to the mounting frame, of the second connecting plate, and the sliding parts of the two groups of vertical feeding assemblies are correspondingly arranged on two sides of the second connecting plate and respectively drive the lower ends of the connecting plate to deflect by taking the rotating shaft assembly as the circle center through the deflection as