CN216266923U

CN216266923U - Cutting fluid guide plate for multi-wire cutting

Info

Publication number: CN216266923U
Application number: CN202122099798.8U
Authority: CN
Inventors: 郭熹; 刘治洲; 王波
Original assignee: Jiangsu Jiejie Semiconductor New Material Co ltd
Current assignee: Jiangsu Jiejie Semiconductor New Material Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-04-12
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a cutting fluid guide plate for multi-wire cutting, which comprises a take-up main roller, a multi-wire cutting wire net, a crystal silicon rod, a winding main roller, an external water pipe and a guide groove, wherein the guide plate is arranged on the side surface of the guide groove, a first fixing piece is arranged on the upper surface of the guide plate, one end of a spring is connected onto the first fixing piece, the other end of the spring is connected onto a second fixing piece, the second fixing piece is fixedly connected onto the guide groove, and one end of a spring sheet is arranged at the bottom of the guide groove. The spring and the elastic sheet are arranged on the guide plate, so that the guide plate can be connected with the drainage groove and has good elasticity, the pressure of the guide plate on the multi-wire cutting wire net is reduced, too strong pressure on the surface of the multi-wire cutting wire net is avoided, and the service life of the multi-wire cutting wire net is prolonged; the radian of the cutting of the multi-wire cutting wire net can be better adapted through the wheels at the bottom of the guide plate, and the cutting efficiency is improved.

Description

Cutting fluid guide plate for multi-wire cutting

Technical Field

The utility model relates to the technical field of multi-wire cutting, in particular to a cutting fluid guide plate for multi-wire cutting.

Background

With the rapid development of the photovoltaic industry, the cost of solar power generation has been greatly reduced. Silicon wafers are basic materials of the photovoltaic industry, slicing processing is a main process for determining the quality of the silicon wafers, the conversion efficiency of a photovoltaic cell can be seriously influenced by the defects of silicon wafer stress, surface layer and subsurface layer damage, edge breakage and the like generated during slicing, and the cooling and lubricating efficiency of a cutting fluid is one of key factors influencing the cutting efficiency and quality of the silicon wafers during the cutting process.

The penetration depth of the existing cutting fluid is difficult to achieve; secondly, the cutting of the large-size silicon wafer can generate more silicon powder cuttings in a cutting gap, so that the penetration and lubrication of cutting liquid are not facilitated; thirdly, the wire diameter of the diamond wire is reduced, so that a cutting gap is reduced, the cutting fluid is not easy to permeate, and the wire breakage risk is increased; it is expected that the cutting fluid utilization efficiency of the slicing process is higher and higher with the development of the slicing technology, and for example, a multi-wire cutting device for a multi-wire cutting machine disclosed in publication No. 202020942209.0 can adjust the cutting size in practice, and the wire cutting makes the surface cutting of the silicon material smoother than the surface protection of the silicon rod by using the metal wire and the cutting fluid is better.

Therefore, it is necessary to solve the above problems by a cutting fluid guide plate for multi-wire cutting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cutting fluid guide plate for multi-wire cutting, which aims to solve the problems that the silicon rod cutting efficiency is low and the cutting radian of a metal wire mesh cannot be well adapted in the metal wire mesh cutting process.

In order to achieve the above purpose, the utility model provides the following technical scheme: the cutting fluid guide plate comprises a take-up main roller, a multi-wire cutting wire net, a crystal silicon rod, a winding main roller, an external water pipe and a guide groove, wherein the guide plate is arranged on the side surface of the guide groove, and the upper surface of the guide plate is provided with a guide plate

The utility model provides a mounting, be connected with spring one end on the mounting, the spring other end is connected on No. two mountings, No. two mounting fixed connection is on the guiding gutter, shell fragment one end is installed to the guiding gutter bottom, the shell fragment other end is installed in the guiding gutter bottom, the guiding gutter bottom still is provided with first wheel, realizes that the guiding plate can better suit with the radian of curved multi-thread cutting gauze.

Preferably, the take-up main roller is wound with one end of a multi-wire cutting wire net, the other end of the multi-wire cutting wire net is wound on the winding main roller, the multi-wire cutting wire net penetrates through the crystal silicon rod and is connected with the take-up main roller and the winding main roller, and the crystal silicon rod can be cut after the multi-wire cutting wire net is connected with the two main rollers.

Preferably, external water piping connection is on the cutting fluid inlet tube, the cutting fluid inlet tube is connected with the guiding gutter for external water piping can play the effect of support to drainage groove and water inlet, makes the cutting fluid inlet tube can be smooth carry liquid in the drainage inslot.

Preferably, the diameter of the winding main roller is the same as that of the winding main roller, the motion states of the winding main roller and the winding main roller are synchronous, and liquid in the cutting liquid inlet pipe is smoothly conveyed to the drainage groove.

Preferably, first wheel is provided with a plurality ofly, and is a plurality of first wheel top all passes through the bearing and installs in the guide plate bottom for radian looks adaptation when the guide plate can better with the cutting of multi-thread cutting wire net.

Preferably, the diversion trench is connected with an external water pipe, a trench is formed in the side surface of the diversion trench, and the length of the trench is matched with that of the diversion plate.

Preferably, the guide plate is made of soft materials, and the radian of the surface of the guide plate is matched with the radian of the multi-wire cutting wire net.

In the technical scheme, the utility model provides the following technical effects and advantages:

1. The guide plate can be connected with the drainage groove by arranging the spring and the elastic sheet on the guide plate, and meanwhile, the guide plate has good elasticity, so that the pressure of the guide plate on the multi-wire cutting net is reduced, too strong pressure on the surface of the multi-wire cutting net is avoided, and the service life of the multi-wire cutting net is prolonged;

2. Radian of the multi-wire cutting wire mesh during cutting can be better adapted through the wheels at the bottom of the guide plate

Therefore, the cutting efficiency is improved;

3. The toughness of the multi-wire cutting wire net can be improved through the flowing of the cutting liquid, the utilization rate of the multi-wire cutting wire net is improved, and the utilization rate of the whole device is prolonged.

Drawings

FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a baffle according to the present invention;

FIG. 3 is a front view of a crystalline silicon rod of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

Description of reference numerals:

1. Mounting grooves; 2, taking up a main roller; 3, cutting a wire mesh in multiple wires; 4, a crystal silicon rod; 5, winding a main roller; 6, connecting a water pipe externally; 7, a diversion trench; 8, a cutting fluid inlet pipe; 9, a guide plate; 10, a first fixing piece; 11, a spring; 12, a second fixing piece; 13, a spring plate; 14, a first wheel.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

The utility model provides a cutting fluid guide plate for multi-wire cutting as shown in figures 1-4, which comprises a take-up main roller 2, a multi-wire cutting wire net 3, a crystal silicon rod 4, a winding main roller 5, an external water pipe 6 and a guide groove 7, wherein a guide plate 9 is arranged on the side surface of the guide groove 7, a first fixing piece 10 is arranged on the upper surface of the guide plate 9, one end of a spring 11 is connected onto the first fixing piece 10, the other end of the spring 11 is connected onto a second fixing piece 12, the second fixing piece 12 is fixedly connected onto the guide groove 7, one end of an elastic sheet 13 is arranged at the bottom of the guide groove 7, the other end of the elastic sheet 13 is arranged at the bottom of the guide plate 9, and a first wheel 14 is further arranged at the bottom of the guide plate 9.

Receive the winding on the line home roll 2 and have 3 one ends of multi-thread cutting gauze, the winding of the 3 other ends of multi-thread cutting gauze is on wire winding home roll 5, and multi-thread cutting gauze 3 runs through in crystal silicon rod 4 and receives line home roll 2 and wire winding home roll 5 and be connected, and wire winding home roll 5 diameter is the same with receiving line home roll 2 diameter, receive line home roll 2 and wire winding home roll 5's motion state synchronous, external water pipe 6 is connected on cutting fluid inlet tube 8, cutting fluid inlet tube 8 is connected with guiding gutter 7, and first wheel 14 is provided with a plurality ofly, and a plurality of first wheel 14 tops all are installed in guide plate 9 bottom through the bearing.

This practical theory of operation:

referring to the attached figures 1-3 of the specification, when the device is used, firstly, the device passes through a take-up main roller 2 and a winding main roller

The roller 5 winds and stretches the multi-wire cutting wire mesh 3, one end of the guide plate 9 is connected to the guide groove 7, the other end of the guide plate 9 is lapped on the multi-wire cutting wire mesh 3 through the first wheel 14, when the multi-wire cutting wire mesh is cut, the crystal silicon rod 4 is slowly pressed downwards, the multi-wire cutting wire mesh 3 is driven by the take-up main roller 2 and the winding main roller 5 to move at a high speed, cutting liquid flows into the guide groove 7 through the external water pipe 6 and the cutting liquid water inlet pipe 8 on the device, and then is conveyed to the surface of the multi-wire cutting wire mesh 3 through the guide plate 9 and is brought into the crystal silicon rod 4, so that the cutting of the crystal silicon rod 4 is realized;

referring to the attached drawings 3-4 of the specification, when the device is used, the spring 11 on the surface of the guide plate 9 can enable the guide plate 9 to better adapt to the radian of the crystal silicon rod 4 when the multi-wire cutting wire mesh 3 is used for cutting the crystal silicon rod 4, and meanwhile, the elastic sheet 13 arranged at the bottom of the guide plate 9 can well support the guide plate 9, the surface texture of the multi-wire cutting wire mesh 3 is not damaged, and the guide plate 9 can better adapt to the radian surface of the multi-wire cutting wire mesh 3 when the crystal silicon rod 4 is cut.

Claims

1. The utility model provides a cutting fluid guide plate for multi-thread cutting, includes receipts line home roll (2), multi-thread cutting gauze (3), crystal silicon rod (4), wire winding home roll (5), external water pipe (6) and guiding gutter (7), its characterized in that: guide gutter (7) side is provided with guide plate (9), surface mounting has mounting (10) No. one on guide plate (9), be connected with spring (11) one end on mounting (10), spring (11) other end is connected on mounting (12) No. two, mounting (12) fixed connection is on guide gutter (7) No. two, shell fragment (13) one end is installed to guide gutter (7) bottom, shell fragment (13) other end is installed in guide plate (9) bottom, guide plate (9) bottom still is provided with first wheel (14).

2. The cutting fluid deflector for multi-wire cutting as claimed in claim 1, wherein: the winding machine is characterized in that one end of a multi-wire cutting wire net (3) is wound on the winding main roller (2), the other end of the multi-wire cutting wire net (3) is wound on the winding main roller (5), and the multi-wire cutting wire net (3) penetrates through the crystal silicon rod (4) to be connected with the winding main roller (2) and the winding main roller (5).

3. The cutting fluid deflector for multi-wire cutting as claimed in claim 2, wherein: the diameter of the winding main roller (5) is the same as that of the winding main roller (2), and the motion states of the winding main roller (2) and the winding main roller (5) are synchronous.

4. The cutting fluid deflector for multi-wire cutting as claimed in claim 3, wherein: the external water pipe (6) is connected to the cutting fluid inlet pipe (8), and the cutting fluid inlet pipe (8) is connected with the diversion trench (7).

5. The cutting fluid deflector for multi-wire cutting as claimed in claim 1, wherein: the first wheels (14) are provided with a plurality of, and a plurality of first wheels (14) top is all installed in guide plate (9) bottom through the bearing.

6. The cutting fluid deflector for multi-wire cutting as claimed in claim 1, wherein: the diversion trench (7) is connected with an external water pipe (6), a groove is formed in the side face of the diversion trench (7), and the length of the groove is identical to that of the diversion plate (9).

7. The cutting fluid deflector for multi-wire cutting as claimed in claim 6, wherein: the guide plate (9) is made of soft materials, and the radian of the surface of the guide plate (9) is matched with the radian of the multi-wire cutting wire net (3).