CN211743115U

CN211743115U - Automatic change manipulator sucking disc

Info

Publication number: CN211743115U
Application number: CN202020232618.1U
Authority: CN
Inventors: 刘世强; 王斯海; 王亚楠; 郑桂林; 王广华; 李冬玫
Original assignee: Tongwei Solar Meishan Co Ltd
Current assignee: Tongwei Solar Meishan Co Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-23
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to a solar cell produces and makes technical field, specifically is an automatic change manipulator sucking disc for when the size of battery piece increases among the solution prior art, the sucking disc is too big for the pressure of battery piece, leads to damaging the battery piece easily and leaves the problem of sucking disc seal on the battery piece easily. The utility model discloses a sucking disc, be provided with the suction nozzle on the sucking disc, the quantity of suction nozzle is a plurality of, and is a plurality of the even distribution of suction nozzle is on the sucking disc. The utility model discloses in through be provided with a plurality of suction nozzles on the sucking disc, and the even setting of a plurality of suction nozzles is on the sucking disc, when absorbing the battery piece through the sucking disc like this, a plurality of suction nozzles can be with the even dispersion of suction to the battery piece on to stress concentration on the battery piece has been avoided, and then has reduced the damage to the battery piece, and has reduced the sucking disc seal that leaves on the battery piece.

Description

Automatic change manipulator sucking disc

Technical Field

The utility model relates to a solar cell produces and makes technical field, more specifically relates to an automatic change manipulator sucking disc.

Background

In the whole production process of the battery piece, particularly in a film coating section, the battery piece which is finished in the front section is conveyed by a belt, is changed in intercept fixing position, is grabbed by a mechanical arm and is inserted into a graphite boat for fixing position, and then enters a pipe P which is in a vacuum state and has the temperature of about 500 ℃ for carrying out the process. Therefore, mechanical grippers are needed in the production of the battery piece, and the mechanical grippers mainly grip the battery piece through a suction cup.

Be equipped with the suction nozzle on the sucking disc of mechanical tongs among the prior art, but the overall arrangement between the suction nozzle sets up the nonstandard, if the size increase of battery piece, then can only be through the pressure value that increases the sucking disc, the battery piece just can be by firm suction, nevertheless can lead to following problem:

1. the suction force of the sucking disc is too large, and the weight of the silicon wafer on the battery piece is too light, so that the silicon wafer is sucked and broken at the moment of contact with the sucking disc, and the generation of fragments is increased;

2. the sucking force of the sucking disc is too large, the silicon wafer on the battery piece is sucked up instantly by force, and the sucking disc mark is left due to the fact that the sucking force of the part of the silicon wafer contacted with the sucking disc is too large, so that the generation of bad pieces and reworked pieces is increased;

3. the suction is big, and the external force that the battery piece withstood is not strong, and the atress is concentrated, and the inside will produce latent splitting, flows to the back end process and becomes the piece, has both increased the piece rate and has wasted thick liquids and time.

In order to overcome the above problems, there is a strong need for a more standardized layout between the suction nozzles, so as to reduce the damage of the battery piece when being sucked and reduce the mechanical arm suction cups which leave suction cup marks on the battery piece.

SUMMERY OF THE UTILITY MODEL

Based on above problem, the utility model provides an automatic change manipulator sucking disc for when the size of battery piece increases among the solution prior art, the sucking disc is too big for the pressure of battery piece, leads to damaging the battery piece easily and leaves the problem of sucking disc seal on the battery piece easily. The utility model discloses in through be provided with a plurality of suction nozzles on the sucking disc, and the even setting of a plurality of suction nozzles is on the sucking disc, when absorbing the battery piece through the sucking disc like this, a plurality of suction nozzles can be with the even dispersion of suction to the battery piece on to stress concentration on the battery piece has been avoided, and then has reduced the damage to the battery piece, and has reduced the sucking disc seal that leaves on the battery piece.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides an automatic change manipulator sucking disc, includes the sucking disc, be provided with the suction nozzle on the sucking disc, the quantity of suction nozzle is a plurality of, and is a plurality of the even distribution of suction nozzle is on the sucking disc.

The working principle is as follows: when the battery piece is sucked through the sucking disc, the sucking disc is in contact with the battery piece through the manipulator, and the sucking disc is enabled to suck the battery piece, the sucking disc is provided with the suction nozzles on the sucking disc, the suction nozzles are uniformly arranged on the sucking disc, so when the battery piece is sucked through the sucking disc, the suction nozzles can uniformly disperse the suction force on the battery piece, stress concentration on the battery piece is avoided, damage to the battery piece and the silicon chip on the battery piece is reduced, sucker marks are left on the battery piece, and the manipulator are known to those skilled in the art.

As a preferable mode, the number of the suction nozzles is three, and the connecting line of the three suction nozzles on the suction cup is a regular triangle.

Preferably, the nozzles are circular.

Preferably, the distance between two adjacent suction nozzles is 60 +/-0.08 mm.

In a preferred mode, the diameter of the suction nozzle is 12 +/-0.08 mm, and the thickness of the suction nozzle is 6 +/-0.06 mm.

Preferably, the suction cup is a bernoulli force suction cup.

The utility model has the advantages as follows:

(1) the utility model discloses in through be provided with a plurality of suction nozzles on the sucking disc, and the even setting of a plurality of suction nozzles is on the sucking disc, when absorbing the battery piece through the sucking disc like this, a plurality of suction nozzles can be with the even dispersion of suction to the battery piece on to stress concentration on the battery piece has been avoided, and then has reduced the damage to the battery piece, and has reduced the sucking disc seal that leaves on the battery piece.

(2) The number of the suction nozzles in the utility model is three, the connecting lines of the three suction nozzles on the suction disc are regular triangles, so that the stress ranges of the battery pieces are equal, the internal stress on the battery pieces is uniformly distributed when the battery pieces are contacted with the silicon chips on the battery pieces, and the damage of the internal stress on the silicon chips is reduced; the suction cup is designed at the center of the manipulator, and the three suction nozzles are in an equilateral triangle, so that the resistance of the wind speed of the manipulator strip piece in the movement process is uniformly dispersed on the silicon chip, the relative displacement of the silicon chip is reduced, and the defects are reduced.

(3) The utility model discloses well suction nozzle all is circularly, and the silicon chip atress of being convenient for process and making on the battery piece is more even to can further reduce the damage to the silicon chip when absorbing the battery piece.

(4) The utility model discloses the distance between two adjacent suction nozzles is 60 +/-0.08 millimeter, the diameter of suction nozzle is 12 +/-0.08 millimeter, thickness is 6 +/-0.06 millimeter, the position design of three suction nozzle is comparatively reasonable, when the silicon chip is inhaled with the suction nozzle of sucking disc, the silicon chip receives pressure and is 7-9kPa, the atress scope of silicon chip is 2.37-3.05N, the diameter of suction nozzle and silicon chip contact is 6 +/-0.03 millimeter, make it reduce the atress of silicon chip at local when satisfying the absorption silicon chip, the specially adapted snatchs the battery piece of 156.75 millimeters-220 millimeters specification.

(5) The utility model discloses well sucking disc is berlu power sucking disc, can sweep the surface of battery piece, is favorable to the quality safety, and reduction that can be indirect produces the sucking disc seal.

(6) The utility model discloses in reduced the manipulator and taken place the striking when getting the battery piece to graphite boat or variable intercept interpolation and cause the possibility that collapses limit, unfilled corner, obtain the biggest economic repayment with minimum cost consumption.

(7) The utility model discloses in reduced the production of bad piece, rework piece, through improving this sucking disc under the certain circumstances of external factors of suction, the suction of sucking disc just offsets with the power that the battery piece can bear, makes the difficult sucking disc seal that produces in surface of battery piece to rework piece's quantity has been reduced.

(8) The utility model discloses in reduced the condition of graphite boat fish tail, sucking disc suction evenly distributed makes the manipulator can be steady when putting into the graphite boat with the silicon chip pastes graphite boat leaf, can not make silicon chip and boat leaf take place to paste boat leaf again after the friction to the probability of graphite boat fish tail has been reduced.

Drawings

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

reference numerals: 1 suction cup and 2 suction nozzle.

Detailed Description

For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.

Example 1:

as shown in fig. 1, the automatic manipulator suction cup comprises a suction cup 1, wherein a plurality of suction nozzles 2 are arranged on the suction cup 1, and the plurality of suction nozzles 2 are uniformly distributed on the suction cup 1.

The working principle is as follows: when the battery piece is sucked through the sucking disc 1, the sucking disc 1 is in contact with the battery piece through the manipulator, and the sucking disc 1 is enabled to suck the battery piece, the sucking disc 1 is provided with the suction nozzles 2, the suction nozzles 2 are uniformly arranged on the sucking disc 1, so that the sucking disc 1 can uniformly disperse the suction force on the battery piece when sucking the battery piece, the stress concentration on the battery piece is avoided, the damage to the battery piece and the silicon chip on the battery piece is reduced, the sucking disc mark left on the battery piece is reduced, and the manipulator are known to technicians in the field for specific use.

Example 2:

as shown in fig. 1, on the basis of the above embodiment, the embodiment provides a distribution of a plurality of suction cups and a preferred structure of the suction cups, that is, the number of the suction nozzles 2 is three, the connecting lines of the three suction nozzles 2 on the suction cups 1 are regular triangles, so that the stress ranges of the battery pieces are equal, the internal stress on the battery pieces is uniformly distributed when the battery pieces are in contact with the silicon wafers on the battery pieces, and the damage of the internal stress on the silicon wafers is reduced; because the sucking disc 1 is designed at the center of the manipulator and the three suction nozzles 2 are in an equilateral triangle, the resistance of the wind speed of the manipulator strip piece in the movement process is uniformly dispersed on the silicon chip, the relative displacement of the silicon chip is reduced, and the defects are reduced.

Preferably, the suction nozzles 2 are circular, so that the processing is facilitated, and the stress of the silicon wafer on the battery piece is more uniform, thereby further reducing the damage to the silicon wafer when the battery piece is sucked.

Preferably, the distance between two adjacent suction nozzles 2 is 60 +/-0.08 mm, the diameter of each suction nozzle 2 is 12 +/-0.08 mm, the thickness of each suction nozzle 2 is 6 +/-0.06 mm, the positions of the three suction nozzles 2 are reasonably designed, when the suction nozzles 2 of the suction disc 1 are used for sucking a silicon wafer, the pressure applied to the silicon wafer is 7-9kPa, the stress range of the silicon wafer is 2.37-3.05N, and the diameter of the contact between each suction nozzle 2 and the silicon wafer is 6 +/-0.03 mm, so that the stress of the silicon wafer on the local part is reduced while the silicon wafer is adsorbed, and the silicon wafer sucking device is particularly suitable for grabbing a battery wafer with the specification of 156.75 mm-220 mm.

Preferably, the sucking disc 1 is the bernoulli power sucking disc, can sweep the surface of battery piece, is favorable to the quality safety, can indirect reduction produce the sucking disc seal.

Through above-mentioned technical scheme, sucking disc 1 in this application and the sucking disc among the prior art when absorbing the battery piece, the contrast as following table of making the battery piece damage degree:

as can be seen from the above table, the number of pieces of the battery piece and the fraction rate of the pieces are lower when the improved suction cup is used for sucking the battery piece than the number of pieces of the battery piece sucked by the suction cup in the prior art.

The rest is the same as example 1, and therefore, will not be described herein.

The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, which is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an automatic change manipulator sucking disc, includes sucking disc (1), be provided with suction nozzle (2) on sucking disc (1), its characterized in that: the number of the suction nozzles (2) is multiple, and the suction nozzles (2) are uniformly distributed on the suction disc (1).

2. The automated robot chuck of claim 1, wherein: the number of the suction nozzles (2) is three, and the connecting lines of the three suction nozzles (2) on the suction disc (1) are regular triangles.

3. The automated robot chuck of claim 2, wherein: the suction nozzles (2) are all circular.

4. The automated robot chuck of claim 3, wherein: the distance between two adjacent suction nozzles (2) is 60 +/-0.08 mm.

5. The automated robot chuck of claim 3, wherein: the diameter of the suction nozzle (2) is 12 +/-0.08 mm, and the thickness of the suction nozzle is 6 +/-0.06 mm.

6. An automated manipulator suction cup according to any one of claims 1-5, wherein: the sucker (1) is a Bernoulli force sucker.