CN211616958U

CN211616958U - Single-paper type silicon wafer transmission device, rotary table and screen printing machine

Info

Publication number: CN211616958U
Application number: CN201922321285.XU
Authority: CN
Inventors: 葛景; 胡飞; 牛明
Original assignee: Suzhou Chenjin Intelligent Technology Co ltd
Current assignee: Linton Kayex Technology Co Ltd
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-10-02
Anticipated expiration: 2029-12-21

Abstract

The utility model discloses a single paper formula silicon chip transmission device, carousel and screen printing machine, this single paper formula silicon chip transmission device includes: a base having a working surface; the driving roller is arranged at one end of the base; the driven roller is arranged at the other end of the base, and the axis of the driven roller is parallel to the axis of the driving roller; the single paper is cylindrical and is sleeved between the driving roller and the driven roller; the tensioning mechanism is connected or abutted to the driven roller wheel so that the driven roller wheel can tension the single paper after moving away from the driving roller wheel and enable the single paper to be attached to the working surface; and the driving mechanism is used for driving the driving roller wheel in the forward direction or the reverse direction so as to drive the single paper to move in the forward direction or the reverse direction. The single-paper silicon wafer transmission device simplifies a driving structure, a corresponding transmission part, a corresponding connecting part and the like, so that the control mode of the single-paper silicon wafer transmission device is simpler, the used single paper materials are less, the replacement cost is low, and the replacement operation is simple and easy.

Description

Single-paper type silicon wafer transmission device, rotary table and screen printing machine

Technical Field

The utility model relates to a solar cell production technical field, specific be a single paper formula silicon chip transmission device, carousel and screen printing machine.

Background

In the production equipment of the solar cell, the single-paper type silicon wafer transmission device is generally arranged on a turntable of a screen printing machine and used for receiving the silicon wafer and adjusting the position of the silicon wafer borne by the single-paper type silicon wafer transmission device by driving the roll paper to rotate forwards and backwards so as to facilitate the printing device to accurately print the grid line on the silicon wafer.

The existing single-paper silicon wafer transmission device in the market all uses reel-shaped roll paper, and is matched with two motors to be used as power sources for driving the roll paper to be wound forwards or reversely, one of the motors is used as an active motor, the other motor is used as a passive motor, and the roll paper is rotated forwards and backwards through the exchange of motion modes. For example, chinese patent publication No. CN107351524A, entitled winding mechanism and screen printing machine, provides a winding mechanism including a first winding roller, a second winding roller, and a power take-off capable of providing a positive rotational force and a reverse rotational force. The first winding roller and the second winding roller are in selective transmission connection with the power output device.

The existing single-paper silicon wafer transmission device needs to control two motors to operate, the control procedure is complex, the reel-shaped roll paper is inconvenient to replace, and the situation that the paper roll is loosened in the operation process is easy to occur. In addition, because the spool of spool form when the rolling on two running rollers, one side stock form diameter is big, and opposite side stock form diameter is little for the motor inertia inequality of driving two running rollers respectively, and then easily make stock form tension lead to the phenomenon of stopping operation.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect among the prior art, the embodiment of the utility model provides a single-paper formula silicon chip transmission device, carousel and screen printing machine, it is used for solving at least one among the above-mentioned technical problem.

The embodiment of the application discloses: a single paper type silicon wafer transmission device comprises:

a base having a working surface;

the driving roller is arranged at one end of the base;

the driven roller is arranged at the other end of the base, and the axis of the driven roller is parallel to the axis of the driving roller;

the single paper is cylindrical and is sleeved between the driving roller and the driven roller;

the tensioning mechanism is connected or abutted to the driven roller wheel so that the driven roller wheel can tension the single paper after moving away from the driving roller wheel and enable the single paper to be attached to the working surface;

and the driving mechanism is used for driving the driving roller wheel in the forward direction or the reverse direction so as to drive the single paper to move in the forward direction or the reverse direction.

Further, the driven roller wheel is connected with the base in a sliding mode through the first support.

Furthermore, the tensioning mechanism comprises an operating part, wherein the operating part is used for operating the first support so that the driven roller has a first working position and a second working position, when the driven roller is at the first working position, the driven roller is pressed against the single paper so that the single paper can be tensioned between the driving roller and the driven roller, and when the driven roller is at the second working position, the driven roller is separated from the single paper so that the single paper can be separated from the base.

Further, the operating part is connected or abutted with the first bracket through an elastic element.

Furthermore, the driven roller wheel is connected with a slide rail arranged on the base in a sliding mode, and the extending direction of the slide rail is perpendicular to the axis line of the driven roller wheel.

Further, the operation portion include with slide rail sliding connection's second support, the second support passes through elastic element with first leg joint or butt, be provided with the expansion end on the base with the quick clamp that the second support links firmly, work as its expansion end drive when the quick clamp is closed the second support orientation first support removes, makes driven running roller is in first operating position, works as its expansion end resets in order to deviate from when the quick clamp is opened first support removes, makes driven running roller is in second operating position.

Further, the driving mechanism includes:

the direct current motor is fixedly connected with the base;

the first synchronous wheel is coaxially and fixedly connected with the driving roller wheel;

the second synchronous wheel is coaxially and fixedly connected with the direct current motor;

and the synchronous belt is sleeved between the first synchronous wheel and the second synchronous wheel.

Furthermore, the single-paper silicon wafer transmission device further comprises a guide roller, and the guide roller is used for guiding the single paper so that the single paper does not interfere with the base when moving.

The embodiment of the application also discloses: the turntable comprises a turntable body, wherein the turntable body is provided with a plurality of single-paper type silicon wafer transmission devices.

The embodiment of the application also discloses: a screen printing machine comprises a printing device and the rotary table.

The utility model has the advantages as follows:

the single-paper silicon wafer transmission device is matched with the base to bear the silicon wafer through the cylindrical single paper, and the driving roller is driven by the driving mechanism to enable the single paper to move forwards or backwards, so that the driving structure of the single-paper silicon wafer transmission device, the corresponding transmission part, the corresponding connecting part and the like are simplified, the control mode of the single-paper silicon wafer transmission device is simpler, and in addition, the single paper is less in material consumption compared with reel-shaped roll paper, low in replacement cost and simple and easy in replacement operation.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a turntable according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a paper winding mechanism in an embodiment of the present invention;

fig. 3 is a schematic structural diagram (with a single sheet hidden) of another view angle of the paper winding mechanism in the embodiment of the present invention;

reference numerals of the above figures:

100. a turntable; 101. a turntable body;

200. a single-paper type silicon wafer transmission device;

1. a base; 11. a working surface; 2. a driving roller; 3. a driven roller; 4. single paper; 5. a tensioning mechanism; 51. an operating part; 511. a second bracket; 512. quickly clamping; 6. a drive mechanism; 61. a direct current motor; 62. a first synchronizing wheel; 63. a second synchronizing wheel; 64. a synchronous belt; 7. a first bracket; 8. an elastic element; 9. a slide rail; 10. and a guide roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The present embodiment provides a screen printing machine including a printing apparatus and a turntable 100. Referring to fig. 1, the turntable 100 includes a turntable body 101, and a plurality of single-paper silicon wafer conveying devices 200 are disposed on the turntable body 101 (only one single-paper silicon wafer conveying device 200 is shown in the figure). The single-paper type silicon wafer transmission device 200 can be used for receiving the silicon wafers transmitted from the upstream of the turntable 100, and after the turntable 100 rotates, the silicon wafers are received and carried by the single-paper type silicon wafer transmission device and are positioned below the printing device, so that grid line printing is performed on the silicon wafers by the printing device. Meanwhile, after the turntable 100 continues to rotate, the single-paper silicon wafer transmission device 200 can output the silicon wafer with the grid line printed to the downstream of the turntable 100.

Referring to fig. 2 and 3, the sheet type silicon wafer conveying apparatus 200 includes a base 1, a driving roller 2, a driven roller 3, a sheet 4, a tension mechanism 5, and a driving mechanism 6. Wherein, the base 1 has a working surface 11, and the working surface 11 can be a flat surface so as to be used for matching with the single paper 4 to bear the silicon chip. The driving roller 2 is arranged at one end of the base 1. The driven roller 3 is arranged at the other end of the base 1, and the axis of the driven roller is parallel to the axis of the driving roller 2. The single paper 4 is cylindrical, and the single paper 4 is sleeved between the driving roller 2 and the driven roller 3. And the tensioning mechanism 5 is connected or abutted to the driven roller 3, so that the driven roller 3 can tension the single paper 4 after deviating from the driving roller 2 and the single paper 4 is attached to the working surface 11. The driving mechanism 6 is used for driving the driving roller 2 forward or backward to drive the single paper 4 to move forward or backward.

By means of the above mechanisms, the single-paper silicon wafer transmission device 200 is matched with the base 1 through the cylindrical single paper 4 to bear the silicon wafer, and the driving roller 2 is driven by the driving mechanism 6 to enable the single paper 4 to move forward or backward (namely, the single paper 4 rotates forward or backward integrally in a tensioned state), so that the driving structure of the single-paper silicon wafer transmission device 200 and corresponding transmission parts and connecting parts are simplified, and the control mode of the single-paper silicon wafer transmission device 200 is simpler. In addition, compared with the reel-shaped roll paper, the single paper 4 has less consumable items, low replacement cost and simple replacement operation.

In this embodiment, the driven roller 3 is slidably connected to the base 1 through a first bracket 7. The driven roller 3 is arranged on the first bracket 7 in a rolling mode, can roll on the first bracket 7 and can move towards or away from the driving roller 2 along with the first bracket 7 so as to release or tension the single paper 4.

In a preferred embodiment, the tensioning mechanism 5 may include an operating portion 51, and the operating portion 51 is configured to operate the first bracket 7 so that the driven roller 3 has a first operating position and a second operating position.

When the driven roller 3 is at the first working position, the driven roller 3 is pressed against the single paper 4, so that the single paper 4 can be tensioned between the driving roller 2 and the driven roller 3, and the single-paper silicon wafer transmission device 200 is in a ready state and can be used for transmitting silicon wafers.

When the driven roller wheel 3 is at the second working position, the driven roller wheel 3 is separated from the single paper 4, so that the single paper 4 can be separated from the base 1, and the single paper 4 is convenient to replace.

In order to prevent the sheet 4 from being broken due to the rigid pressing against the first support 7, the operating portion 51 may be connected to or abutted against the first support 7 through the elastic member 8. For example, in an alternative embodiment, the elastic element 8 may be a spring, a leaf spring, or the like. So as to eliminate the redundant pressure transmitted by the operating part 51 to the first support 7 by the contraction energy storage of the elastic element 8.

In this embodiment, the driven roller 3 is slidably connected to a slide rail 9 disposed on the base 1, and an extending direction of the slide rail 9 is perpendicular to an axial lead of the driven roller 3. The slide rail 9 may be a linear slide rail, so that the first bracket 7 can smoothly move along the extending direction of the slide rail 9, thereby allowing the movement of the driven roller 3 to be controlled linear movement.

In an optional embodiment, the operating portion 51 may include a second bracket 511 slidably connected to the slide rail 9, the second bracket 511 is connected to or abutted against the first bracket 7 through the elastic element 8, the base 1 is provided with a quick clamp 512 having a movable end fixedly connected to the second bracket 511, when the quick clamp 512 is closed, the movable end drives the second bracket 511 to move towards the first bracket 7, so that the driven roller 3 is located at the first working position, and when the quick clamp 512 is opened, the movable end is reset to move away from the first bracket 7, so that the driven roller 3 is located at the second working position. The working state of the single-paper silicon wafer transmission device 200 can be switched rapidly by using the quick clamp 512, so that the single paper 4 can be replaced conveniently and rapidly.

In an alternative embodiment, the driving mechanism 6 includes a dc motor 61 fixed to the base 1, a first synchronizing wheel 62 fixed to the driving roller 2 coaxially, a second synchronizing wheel 63 fixed to the dc motor 61 coaxially, and a timing belt 64 sleeved between the first synchronizing wheel 62 and the second synchronizing wheel 63. The first synchronous wheel 62 is driven forward or backward by controlling the direct current motor 61 to rotate forward or backward through the second synchronous wheel 63 and the synchronous belt 64, so that the driving roller 2 is driven to drive the single paper 4 to move forward or backward to receive or output the silicon wafer, and the position of the silicon wafer on the working surface 11 can be adjusted.

In an alternative embodiment, the single-sheet silicon wafer conveying device 200 further comprises a guide roller 10, and the guide roller 10 is used for guiding the single sheet 4 so that the single sheet 4 does not interfere with the base 1 when moving.

The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete embodiment, and the explanation of the above embodiment is only used for helping to understand the technical scheme and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A single-paper type silicon wafer transmission device is characterized by comprising:

a base having a working surface;

the driving roller is arranged at one end of the base;

the tensioning mechanism is connected or abutted to the driven roller wheel so that the driven roller wheel can tension the single paper after moving away from the driving roller wheel and enable the single paper to be attached to the working surface; and

and the driving mechanism is used for driving the driving roller in the forward direction or the reverse direction so as to drive the single paper to move in the forward direction or the reverse direction.

2. The single-sheet silicon wafer conveying device according to claim 1, wherein the driven roller wheel is slidably connected with the base through a first bracket.

3. The single-paper silicon wafer conveying device according to claim 2, wherein the tensioning mechanism comprises an operating part, the operating part is used for operating the first bracket to enable the driven roller to have a first working position and a second working position, when the driven roller is in the first working position, the driven roller is pressed against the single paper to enable the single paper to be tensioned between the driving roller and the driven roller, and when the driven roller is in the second working position, the driven roller is separated from the single paper to enable the single paper to be separated from the base.

4. The single-sheet silicon wafer conveying device according to claim 3, wherein the operating part is connected to or abutted against the first support through an elastic element.

5. The single-paper silicon wafer conveying device according to claim 4, wherein the driven roller wheel is slidably connected with a slide rail arranged on the base, and the extension direction of the slide rail is perpendicular to the axis of the driven roller wheel.

6. The single-sheet silicon wafer conveying device according to claim 5, wherein the operating part comprises a second bracket slidably connected to the slide rail, the second bracket is connected to or abutted against the first bracket through the elastic element, a quick clamp with a movable end fixedly connected to the second bracket is arranged on the base, the movable end of the quick clamp drives the second bracket to move towards the first bracket when the quick clamp is closed, so that the driven roller is located at a first working position, and the movable end of the quick clamp resets to move away from the first bracket when the quick clamp is opened, so that the driven roller is located at a second working position.

7. The single-sheet silicon wafer conveying device according to claim 1, wherein the driving mechanism comprises:

the direct current motor is fixedly connected with the base;

the second synchronous wheel is coaxially and fixedly connected with the direct current motor; and

the synchronous belt is sleeved between the first synchronous wheel and the second synchronous wheel.

8. The single-sheet silicon wafer conveying device according to claim 1, further comprising a guide roller for guiding the single sheet so that the single sheet does not interfere with the base while moving.

9. A turntable, comprising a turntable body, wherein a plurality of the single-paper type silicon wafer conveying devices as claimed in any one of claims 1 to 8 are arranged on the turntable body.

10. A screen printing machine comprising a printing unit and a rotary table according to claim 9.