CN103802225A

CN103802225A - Mortar nozzle used for multi-wire cutting machine

Info

Publication number: CN103802225A
Application number: CN201210457054.1A
Authority: CN
Inventors: 贡达; 金鑫
Original assignee: Yangzhou Xiexin Photovoltaic Science & Technology Co Ltd
Current assignee: JIANGSU GCL SILICON MATERIAL TECHNOLOGY DEVELOPMENT Co.,Ltd.
Priority date: 2012-11-14
Filing date: 2012-11-14
Publication date: 2014-05-21
Anticipated expiration: 2032-11-14
Also published as: CN103802225B

Abstract

The invention provides a mortar nozzle used for a multi-wire cutting machine. The mortar nozzle comprises an outer pipe, an inner pipe, a fixing support seat, an outer pipe plug and an inner pipe plug, wherein the inner pipe is arranged in the outer pipe; the fixing support seat is used for fixing the outer pipe with the inner pipe; the outer pipe plug is mounted on the end part of the outer pipe; the inner pipe plug is mounted on the end part of the inner pipe; a nozzle seam is formed in the outer pipe along the axial direction of the outer pipe; a plurality of nozzle holes are formed in the inner pipe along the axial direction of the inner pipe; a nozzle interface which is communicated with the inner pipe is arranged on the fixing support seat. Mortar enters the inner pipe from the nozzle interface, leaves the inner pipe by the nozzle holes of the inner pipe to enter the outer pipe, and is finally injected from the nozzle seam of the outer pipe. In such a way, the mortar injected by the mortar nozzle can be uniformly sprinkled on steel wires, and the cutting requirement can be met without consuming much mortar. The mortar nozzle has the advantages that the usage amount of the mortar is reduced, the cutting capability of the steel wires does not decline, and the cost is reduced.

Description

For the mortar nozzle of multi-line cutting machine

Technical field

The present invention relates to a kind of silicon wafer cutting equipment, particularly relate to a kind of mortar nozzle for multi-line cutting machine.

Background technology

Traditional solar silicon wafers cutting is now all to carry with common steel wire the mortar that carborundum and polyethylene glycol mix in high-speed cruising, to carry out grinding cutting.And in this process, have sufficient cutting power in order to ensure cutting steel wire and mortar, and the most important condition is exactly that steel wire can carry sufficient mortar and participates in cutting, and mortar is to be sprayed at uniformly on gauze by mortar mouth.

Under increasingly serious cost pressure, each large silicon chip production commercial city is in the use amount that significantly reduces auxiliary material.Multi-line cutting machine mainly uses auxiliary material for steel wire, suspension, mortar, and in order to reduce costs, each producer steel wire used significantly reduces, and the mortar using is also declining.But conventional multi-line cutting machine has larger difficulty in the time reducing mortar use amount, because the mortar flow that is supplied to mortar nozzle has fluctuation, the mortar of mortar nozzle ejection is even not, after mortar use amount declines, the cutting power of steel wire, also along with decline, also there will be the silicon chip of cutting to occur quality problems sometimes.Therefore conventional multi-line cutting machine cannot guarantee that cutting power does not decline in the use amount that reduces mortar.

Summary of the invention

Based on this, be necessary to provide a kind of mortar nozzle for multi-line cutting machine, it can be sprayed at mortar on steel wire uniformly, thereby guarantees that the cutting power of steel wire does not decline in reducing mortar use amount.

A kind of mortar nozzle for multi-line cutting machine, the hold-down support that comprises outer tube, be located at inner tube in outer tube, described outer tube and described inner tube are fixed together, be installed on the outer pipe plug of outer tube end and be installed on the interior pipe plug of inner tube end, the nozzle that axially has along described outer tube on described outer tube stitches, in described inner tube along described inner tube axially have multiple nozzle bores, described hold-down support is provided with the nozzle interface being communicated with described inner tube.

Therein in an embodiment, one end that described outer pipe plug stretches into outer tube has internal conical surface, one end that described interior pipe plug stretches out inner tube has outer conical surface, and the axis of described internal conical surface, the axis of outer conical surface, the center line of outer tube and the center line of inner tube are on same straight line.

Therein in an embodiment, the nozzle of described inner tube seam be placed in described outer tube with described nozzle bore back to a side.

In an embodiment, described outer tube is provided with multiple reinforcements therein.

In an embodiment, described reinforcement is arranged in described outer tube equal intervals therein.

In an embodiment, described nozzle bore is equidistant arrangement in described inner tube therein.

Therein in an embodiment, the distance in described inner tube between adjacent nozzle hole by interior pipe plug to increasing progressively away from interior pipe plug direction.

Therein in an embodiment, the aperture of described nozzle bore by interior pipe plug to increasing progressively away from interior pipe plug direction.

In an embodiment, on described hold-down support, be also provided with handle therein.

The mortar that the above-mentioned mortar nozzle for multi-line cutting machine imports the nozzle interface from hold-down support imports to inner tube, and mortar enters in outer tube through the nozzle bore of multiple axially-aligned of inner tube, sprays from outer tube finally by crossing nozzle seam.There is fluctuation even if be supplied to like this mortar flow of mortar nozzle, still can be very high from the mortar uniformity of mortar nozzle ejection, mortar can evenly be sprayed on steel wire, does not so just need too many mortar just can meet the needs of cutting.This mortar nozzle can guarantee that the cutting power of steel wire does not decline, and has advantages of cost-saving in reducing mortar use amount.

Accompanying drawing explanation

Fig. 1 is the mortar nozzle schematic diagram of an embodiment;

Fig. 2 is the upward view of mortar nozzle shown in Fig. 1;

Fig. 3 is the profile of mortar nozzle shown in Fig. 1;

Fig. 4 is the enlarged drawing at the place of mortar nozzle I shown in Fig. 3;

Fig. 5 is inner tube and the hold-down support schematic diagram of mortar nozzle shown in Fig. 1;

Fig. 6 is the inner tube of mortar nozzle shown in Fig. 5 and the top view of hold-down support.

The specific embodiment

Please refer to Fig. 1 ~ Fig. 6, an embodiment provides a kind of mortar nozzle 100 for multi-line cutting machine.This mortar nozzle 100 comprises outer tube 110, be located at inner tube 120, the hold-down support 130 that outer tube 110 and inner tube 120 are fixed together in outer tube 110, be installed on the outer pipe plug 140 of outer tube 110 ends and be installed on the interior pipe plug 150 of inner tube 120 ends.The nozzle that axially has along outer tube 110 on outer tube 110 stitches 111, and in inner tube 120, along the multiple nozzle bores 121 of axially having of inner tube 120, hold-down support 130 is provided with the nozzle interface 131 being communicated with inner tube 120.

Please refer to Fig. 3 and Fig. 4, one end that the outer pipe plug 140 of this mortar nozzle 100 stretches into outer tube 110 has internal conical surface 141, and one end that interior pipe plug 150 stretches out inner tube 120 has outer conical surface 151.Wherein, the center line of the axis of the axis of internal conical surface 141, outer conical surface 151, outer tube 110 and the center line of inner tube 120 are on same straight line.The center line of outer tube 110 refers to the line in the center of circle of outer tube 110 circular cross-sections herein, and the center line of inner tube 120 refers to the line in the center of circle of inner tube 120 circular cross-sections.The axis of internal conical surface 141, the axis of outer conical surface 151, the center line of outer tube 110 and the center line of inner tube 120 can make inner tube 120 be positioned at the center of outer tube 110 at same straight line, between inner tube 120 and outer tube 110, just can form equally spaced space like this, thus better guarantee mortar uniformly nozzle stitch 111 and spray.

In this embodiment, the nozzle of this mortar nozzle 100 seam 111 be arranged in outer tube 110 with nozzle bore 121 back to a side.Mortar can first be inserted the gap between inner tube 120 and outer tube 110 like this, and then through 111 ejections of nozzle seam, thereby make the mortar of ejection more even, spouting velocity is everywhere more consistent.

Because the outer tube 110 of this mortar nozzle 100 is longer, and on it, offer nozzle seam 111, therefore, on the outer tube 110 of this mortar nozzle 100, be also provided with multiple reinforcements 112.Reinforcement 112 is herein arranged in outer tube 110 equal intervals.These reinforcements 112 can improve the intensity of outer tube 110.

Please refer to Fig. 6, the nozzle bore 121 of this mortar nozzle 100 can be for being equidistant arrangement in inner tube 120, and nozzle bore 121 also can adopt the mode that non-equidistance is arranged in inner tube 120 certainly.For example, in inner tube 120 distance between adjacent nozzle hole 121 by interior pipe plug 150 to increasing progressively away from interior pipe plug 150 directions.The aperture of the nozzle bore 121 of this mortar nozzle 100 also can adopt the identical or same design not in the aperture of each nozzle bore 121.For example the aperture of nozzle bore 121 can be by interior pipe plug 150 to increasing progressively away from interior pipe plug 150 directions.Can design as required herein.

Please refer to Fig. 3, the Main Function of the hold-down support 130 of this mortar nozzle 100 is that outer tube 110 and inner tube 120 are fixed together, guarantee that mortar can enter inner tube 120 from the nozzle interface of this hold-down support 130 131, then out enters in outer tube 110 from inner tube 120 simultaneously.On this hold-down support 130, be also provided with handle 132, arranging of handle 132 can the operation of handled easily personnel to hold-down support 130.

When use, mortar enters into inner tube 120 from nozzle interface 131, then out enters outer tube 110 from the nozzle bore 121 of inner tube 120, finally ejection from the nozzle seam 111 of outer tube 110.The mortar spraying through this mortar nozzle 100 so just can be sprayed onto on steel wire uniformly, there is fluctuation even if be supplied to the mortar flow of mortar nozzle 100, the mortar flowing out from nozzle seam 111 is still more even, just can meet thereby do not need to expend too many mortar the needs that cut.Therefore, this mortar nozzle 100 can guarantee that the cutting power of steel wire does not decline, and has advantages of cost-saving in reducing mortar use amount.

The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims

1. the mortar nozzle for multi-line cutting machine, it is characterized in that, the hold-down support that comprises outer tube, be located at inner tube in outer tube, described outer tube and described inner tube are fixed together, be installed on the outer pipe plug of outer tube end and be installed on the interior pipe plug of inner tube end

On described outer tube along described outer tube axially have a nozzle seam, in described inner tube along described inner tube axially have multiple nozzle bores, described hold-down support is provided with the nozzle interface being communicated with described inner tube.

2. the mortar nozzle for multi-line cutting machine according to claim 1, it is characterized in that, one end that described outer pipe plug stretches into outer tube has internal conical surface, one end that described interior pipe plug stretches out inner tube has outer conical surface, and the axis of described internal conical surface, the axis of outer conical surface, the center line of outer tube and the center line of inner tube are on same straight line.

3. the mortar nozzle for multi-line cutting machine according to claim 2, is characterized in that, the nozzle of described inner tube seam be placed in described outer tube with described nozzle bore back to a side.

4. the mortar nozzle for multi-line cutting machine according to claim 3, is characterized in that, described outer tube is provided with multiple reinforcements.

5. the mortar nozzle for multi-line cutting machine according to claim 2, is characterized in that, described reinforcement is arranged in described outer tube equal intervals.

6. according to the mortar nozzle for multi-line cutting machine described in arbitrary claim in claim 2 to 5, it is characterized in that, described nozzle bore is equidistant arrangement in described inner tube.

7. according to the mortar nozzle for multi-line cutting machine described in arbitrary claim in claim 2 to 5, it is characterized in that, the distance in described inner tube between adjacent nozzle hole by interior pipe plug to increasing progressively away from interior pipe plug direction.

8. according to the mortar nozzle for multi-line cutting machine described in arbitrary claim in claim 2 to 5, it is characterized in that, the aperture of described nozzle bore by interior pipe plug to increasing progressively away from interior pipe plug direction.

9. according to the mortar nozzle for multi-line cutting machine described in arbitrary claim in claim 2 to 5, it is characterized in that, on described hold-down support, be also provided with handle.