CN112793025B

CN112793025B - Mortar return pipe for multi-wire cutting machine

Info

Publication number: CN112793025B
Application number: CN202011634293.0A
Authority: CN
Inventors: 孟威; 张耀
Original assignee: Jiangsu Tianjing Intelligent Equipment Co ltd
Current assignee: Jiangsu Tianjing Intelligent Equipment Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-04-05
Anticipated expiration: 2040-12-31
Also published as: CN112793025A

Abstract

The invention discloses a mortar return pipe for a multi-wire cutting machine, which comprises a pipe body, a screen and a driving mechanism, wherein the screen and the driving mechanism are rotatably arranged in the pipe body; the pipe body is internally provided with an annular cavity, a plurality of clapboards are fixedly connected in the annular cavity circumferentially and uniformly, the annular cavity is divided into a plurality of channels by the clapboards, and two adjacent channels in the plurality of channels are respectively a cooling channel and a backflow channel; the top of the pipe body is provided with a plurality of backflow ports which are in one-to-one correspondence with the plurality of backflow channels; a plurality of baffles are also arranged in the pipe body and are used for separating the part of the screen on the backflow channel from the part of the screen on the cooling channel; the cooling channel and the backflow channel are arranged in the pipe body at intervals, the mortar temperature can be reduced, the screen is rotatably arranged in the pipe body, and the part of the screen in the backflow channel can be cleaned through water in the cooling channel, so that the screen is prevented from being blocked, and the normal mortar backflow flow can be maintained.

Description

Mortar return pipe for multi-wire cutting machine

Technical Field

The invention relates to a mortar return pipe for a multi-wire cutting machine.

Background

With the development of the global solar photovoltaic industry, the proportion of the cost of the silicon wafer cutting process in the industry chain has severely restricted the development of the whole industry. The diamond wire cutting technology is the industry development trend, so that the wire cutting machine is more and more widely applied in the silicon wafer cutting process; in the diamond wire cutting process, the scarp that cuts can be cut off by the coping saw and along with flowing away at the mortar, and the mortar can be used at cutting in-process circulation, like this, along with the continuous going on of cutting operation, impurity in the mortar is more and more, can pile up on the screen cloth in the mortar circulation system to the mortar backward flow is not enough to appear, leads to shutting down, influences the problem of section yield, consequently needs to design a back flow that can be convenient for clear up impurity.

Disclosure of Invention

The invention provides a mortar backflow pipe for a multi-wire cutting machine, which can solve the problem that a mortar backflow system in the prior art does not have a function of cleaning cutting chips.

A mortar return pipe for a multi-wire cutting machine comprises a pipe body, a screen rotatably arranged in the pipe body and a driving mechanism for driving the screen to rotate;

the pipe body is internally provided with an annular cavity, a plurality of clapboards are fixedly connected in the annular cavity circumferentially and uniformly, the annular cavity is divided into a plurality of channels by the plurality of clapboards, and two adjacent channels in the plurality of channels are respectively a cooling channel and a backflow channel;

the screen is arranged at the top of the cavity of the annular cavity, and the top of the pipe body is provided with a plurality of backflow ports which are in one-to-one correspondence with the plurality of backflow channels;

a plurality of baffles are further arranged in the pipe body and used for separating the part of the screen on the backflow channel from the part of the screen on the cooling channel;

the top of the pipe body is provided with a lifting mechanism for driving the baffle to move up and down;

the driving mechanism comprises a gear ring arranged on the inner side of the screen, a gear meshed with the gear ring and a motor used for driving the gear to rotate, and the gear is arranged on an output shaft of the motor.

Preferably, the lifting mechanism comprises an air cylinder arranged on the upper side of the pipe body, a connecting plate arranged on the extending end of the air cylinder and a plurality of connecting rods used for connecting the connecting plate and the baffle.

Preferably, a circular truncated cone-shaped shell is installed at the top of the pipe body, and the cylinder is installed in the circular truncated cone-shaped shell.

Preferably, a water inlet pipe is arranged in the cooling channel, two water outlets are arranged at the top of the water inlet pipe, two guide plates are arranged on the upper side of the screen, the guide plates are fixedly installed in the pipe body, impurity removing channels are formed in two side walls of the annular cavity, and the guide plates can guide water sprayed out of the water outlets into the impurity removing channels;

the impurity removing channels are communicated with a sewage discharge pipeline;

a plurality of the cooling passages are communicated with a cooling circulation pipeline;

a plurality of return channels are connected with a return header pipe, and a return pump is installed in the return header pipe.

Compared with the prior art, the invention has the beneficial effects that: the cooling channel and the backflow channel are arranged in the pipe body at intervals, and the effect of reducing the temperature of mortar can be achieved, so that the problems that a diamond wire is broken and a cutting surface is not smooth due to high temperature of the mortar are solved;

the screen is rotatably arranged in the pipe body, and the screen part in the backflow channel can be cleaned through water in the cooling channel, so that the screen is prevented from being blocked, and the normal backflow flow of the mortar can be kept;

still be equipped with edulcoration passageway and baffle, can discharge the cooling water that contains more cutting disintegrating slag through the edulcoration passageway, improve the utilization ratio of cooling water.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of the lifting mechanism of the present invention;

FIG. 3 is a schematic structural view of the driving mechanism of the present invention;

FIG. 4 is a schematic view of the structure of the guide plate and the water inlet pipe of the present invention;

fig. 5 is a cross-sectional view of the bottom of the present invention.

Description of reference numerals:

the device comprises a pipe body 1, a screen 2, a partition plate 3, a cooling channel 4, a reflux channel 5, a reflux opening 6, a baffle 7, a gear ring 8, a gear 9, a cylinder 10, a connecting plate 11, a connecting rod 12, a connecting rod 13, a water inlet pipe 14, a guide plate 15, a water outlet and an impurity removing channel 16.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

As shown in fig. 1 to 5, a mortar return pipe for a multi-wire cutting machine according to an embodiment of the present invention includes a pipe body 1, a screen 2 rotatably disposed in the pipe body 1, and a driving mechanism for driving the screen 2 to rotate;

as shown in fig. 5, an annular cavity is formed in the pipe body 1, a plurality of partition plates 3 are fixedly connected to the annular cavity circumferentially and uniformly, the annular cavity is divided into a plurality of channels by the plurality of partition plates 3, and two adjacent channels of the plurality of channels are a cooling channel 4 and a return channel 5 respectively;

as shown in fig. 1, the screen 2 is installed at the top of the cavity of the annular cavity, and the top of the pipe body 1 is provided with a plurality of backflow ports 6 corresponding to the plurality of backflow channels 5 one to one;

a plurality of baffles 7 are further arranged in the pipe body 1, and the baffles 7 are used for separating the part of the screen 2 on the return channel 5 from the part of the screen 2 on the cooling channel 4;

as shown in fig. 2, a lifting mechanism for driving the baffle 7 to move up and down is installed at the top of the pipe body 1;

as shown in fig. 3, the driving mechanism comprises a gear ring 8 mounted inside the screen 2, a gear 9 engaged with the gear ring 8, and a motor for driving the gear 9 to rotate, wherein the gear 9 is mounted on an output shaft of the motor, which is not shown in the figure;

the lifting mechanism comprises an air cylinder 10 arranged on the upper side of the pipe body 1, a connecting plate 11 arranged on the extending end of the air cylinder 10 and a plurality of connecting rods 12 used for connecting the connecting plate 11 and the baffle 7;

as shown in fig. 1, a circular truncated cone-shaped shell is mounted at the top of the pipe body 1, and the cylinder 10 is mounted in the circular truncated cone-shaped shell;

as shown in fig. 4, a water inlet pipe 13 is arranged in the cooling channel 4, two water outlets 15 are arranged at the top of the water inlet pipe 13, two guide plates 14 are arranged on the upper side of the screen 2, the guide plates 14 are fixedly installed in the pipe body 1, impurity removing channels 16 are respectively arranged on two side walls of the annular cavity, and the guide plates 14 can guide water sprayed from the water outlets 15 into the impurity removing channels 16;

a plurality of impurity removing channels 16 are communicated with a sewage discharge pipeline;

a plurality of the cooling passages 4 are communicated with a cooling circulation pipeline;

the plurality of backflow channels 5 are connected with a backflow header pipe, and a backflow pump is installed in the backflow header pipe;

the sewage pipes, the cooling circulation pipeline and the reflux main pipe are not drawn in the drawing, the water inlet pipe 13 is connected with the water pump, the water pump enters the cooling channel 4 through the water inlet pipe 13 and sprays on the lower side of the screen 2, under the action of the guide plate 14, the water containing the cutting residues flows into the impurity removing channel 16, the cross section of the impurity removing channel 16 is smaller than that of the cooling channel 4, therefore, a plurality of parts of water which do not contain or contain less cutting residues flow downwards from the cooling channel 4, and finally flow into the cooling circulation pipeline, and the water in the impurity removing channel 16 is discharged from the sewage pipes.

The working principle is as follows: when the mortar cutting machine is used, mortar enters the pipe body 1 from the backflow port 6, enters the backflow channel 5 through the screen 2, and enters cutting work again under the action of the backflow pump, when the mortar cutting machine needs to clean the screen for a certain time, the water pump connected with the water inlet pipe 13 is closed, the air cylinder 10 and the motor are sequentially started, the air cylinder 10 drives the baffle 7 to rise, the motor drives the gear 9 to rotate, the screen 2 rotates for 45 degrees, then the baffle 7 is lowered by the air cylinder 10, the screen part in the backflow channel 5 and the screen part in the cooling channel 4 are exchanged at the moment, (a very small amount of mortar enters the cooling channel in the lifting process of the baffle 7, the backflow flow of the mortar cannot be greatly influenced, the backflow pump can also be closed, backflow is stopped temporarily, and the exchange work is started again, then the water pump is started, cooling water is sprayed to the lower side of the screen 2 from the water outlet 15 of the water inlet pipe 13, the cutting chips accumulated on the upper side of the screen 2 are sprayed, and a part of the water flow is guided by the guide plate 14 to flow into the trash channel 16 (in this case, the inside of the cooling channel 4 is filled with water), and the other part returns along the cooling channel 4.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. A mortar return pipe for a multi-wire cutting machine is characterized by comprising a pipe body, a screen mesh which is rotatably arranged in the pipe body and a driving mechanism which is used for driving the screen mesh to rotate;

the driving mechanism comprises a gear ring arranged on the inner side of the screen, a gear meshed with the gear ring and a motor for driving the gear to rotate, and the gear is arranged on an output shaft of the motor;

the lifting mechanism comprises an air cylinder arranged on the upper side of the pipe body, a connecting plate arranged on the extending end of the air cylinder and a plurality of connecting rods used for connecting the connecting plate and the baffle;

the top of the pipe body is provided with a circular truncated cone-shaped shell, and the cylinder is arranged in the circular truncated cone-shaped shell;

a water inlet pipe is arranged in the cooling channel, two water outlets are arranged at the top of the water inlet pipe, two guide plates are arranged on the upper side of the screen, the guide plates are fixedly arranged in the pipe body, impurity removing channels are formed in two side walls of the annular cavity, and the guide plates can guide water sprayed out of the water outlets into the impurity removing channels;