CN101961948A - Scraper head of photovoltaic solar printing machine - Google Patents

Abstract

The invention relates to the technical field of photovoltaic equipment, in particular to a scraper head of a photovoltaic solar printing machine. On the third linear slide rail in the Y direction; the Z-direction driving mechanism of the front scraper includes an adjustable stroke cylinder and a front scraper connecting seat. The linear slide rail, the adjustable stroke cylinder is connected to the front scraper connecting seat, and the front scraper connecting seat is connected to the front scraper; the Z-direction driving mechanism of the rear scraper includes a scraper stepping motor, and the scraper stepping motor drives and connects to the rear scraper. The invention makes it easier to adjust the stroke and pressure of the scraper, has accurate positioning, stable transmission, effectively improves printing precision, and ensures printing effect.

Description

Photovoltaic solar printing machine scraper head

technical field

The invention relates to the technical field of photovoltaic equipment, in particular to a scraper head of a photovoltaic solar printing machine.

Background technique

Photovoltaic solar wafers are the core part of the solar power generation system, and also the most valuable part of the solar power generation system. The role of photovoltaic solar silicon wafers is to convert solar energy into electrical energy, and the electrical energy is sent to the battery for storage, or directly used to drive the load. The quality and cost of photovoltaic solar silicon wafers will directly determine the quality and cost of the entire solar power generation system.

With decades of technology accumulation in the semiconductor equipment industry, photovoltaic equipment companies have basically equipped the entire line of solar cell manufacturing equipment. Photovoltaic solar silicon wafer printing machine has been widely used in the printing production of photovoltaic solar silicon wafers. After years of development, photovoltaic solar silicon wafer printing machine has made great progress in precision and automation. printing capacity. One of the most critical steps in printing photovoltaic solar silicon wafers is to manufacture very fine circuits on the front and back of the silicon wafer. This metal coating process is usually completed by screen printing technology, that is, the conductive paste containing metal is passed through the wire. The mesh is imprinted on the silicon wafer to form circuits or electrodes. It can be seen that the quality of photovoltaic solar silicon wafers depends largely on the equipment quality of photovoltaic solar silicon wafer printing machines.

The existing photovoltaic solar silicon wafer printing machine is difficult to adjust the stroke and pressure of the scraper, the positioning is not accurate enough, and the transmission is not stable enough, which affects the printing accuracy and effect.

Contents of the invention

The object of the present invention is to provide a scraper head for a photovoltaic solar printing machine in view of the deficiencies in the prior art, so that the stroke and pressure of the scraper can be adjusted more easily, and the positioning is accurate, the transmission is stable, the printing accuracy is effectively improved, and the printing effect is ensured.

In order to achieve the above object, the technical solution adopted by the present invention is: the scraper head of a photovoltaic solar printing machine, which includes a steel mesh Y-direction fixing seat, a scraper mounting seat, a front scraper and a rear scraper, and it also includes a scraper Y-direction drive mechanism, a front scraper Z-direction drive mechanism and rear scraper Z-direction drive mechanism;

The Y-direction driving mechanism of the scraper is driven to connect the scraper mounting seat, the steel mesh Y-direction fixing seat is provided with a Y-direction third linear slide rail, and the scraper mounting seat is rail-connected to the Y-direction third linear slide rail;

The Z-direction driving mechanism of the front scraper includes an adjustable stroke cylinder and a front scraper connecting seat. The scraper mounting seat is provided with a Z-direction second linear slide rail, and the front scraper connecting seat is rail-connected to the Z-direction second linear slide rail, which can The stroke adjustment cylinder is connected to the front scraper connecting seat, and the front scraper connecting seat is connected to the front scraper;

The rear scraper Z-direction driving mechanism includes a scraper stepping motor, and the scraper stepping motor drives and connects the rear scraper.

It also includes a high-precision differential head and a rear scraper adjustment column. The high-precision differential head is pierced with a scraper mounting seat, one end of the rear scraper adjustment column is connected to the high-precision differential head, and the other end of the rear scraper adjustment column is in contact with the rear scraper.

The rear scraper Z-direction driving mechanism also includes a synchronous pulley transmission mechanism, a rear scraper Z-direction screw rod, a rear scraper Z-direction connection seat, and a rear scraper fixing seat; The rear scraper Z-direction screw rod is threadedly connected to the rear scraper Z-direction connecting seat, and the rear scraper Z-direction connecting seat is connected to the rear scraper fixing seat. The scraper mounting seat is provided with a Z-direction first linear slide rail. The scraper fixing seat is rail-connected to the first linear slide rail in the Z direction, and the rear scraper is connected to the rear scraper fixing seat through fixing screws.

The scraper stepping motor is connected with an encoder.

The scraper mounting seat is provided with a limiting seat, and the limiting seat is provided with a limiting nut, and the limiting seat is in contact with the rear scraper fixing seat.

The adjustable stroke cylinder is provided with magnetic induction.

The Z-direction driving mechanism of the front scraper also includes a connecting column, a connecting block and a front scraper fixing nut column, the adjustable stroke cylinder is connected to one end of the connecting column, the other end of the connecting column is connected to one end of the connecting block, and the connecting block The other end is connected to the front scraper connecting seat, the connecting block rail is connected to the Z-direction second linear slide rail, the front scraper fixing nut column is connected to the front scraper connecting seat, and the front scraper is fastened to the front scraper fixing nut column.

It also includes a front scraper adjustment scale seat and a front scraper adjustment nut, the front scraper adjustment nut is connected to the front scraper adjustment scale seat, and the front scraper adjustment scale seat is connected to an adjustable stroke cylinder.

The scraper Y-direction drive mechanism includes a scraper Y-direction servo motor, a scraper Y-direction screw, a scraper Y-direction connection seat, a scraper guide post, a guide post connection seat, and a scraper linear bearing; the scraper Y-direction servo motor is set on the steel mesh The Y-direction fixing seat, the scraper Y-direction servo motor drives and connects the scraper Y-direction screw rod, the scraper Y-direction screw rod is threaded with the scraper Y-direction connection seat, the scraper Y-direction connection seat is connected to the guide post connection seat, and one end of the scraper guide post is connected to the The guide post connecting seat is connected, and the other end of the scraper guide post passes through the scraper linear bearing and is connected with the scraper mounting seat.

The beneficial effects of the present invention are: the scraper head of the photovoltaic solar printing machine includes a steel mesh Y-direction fixing seat, a scraper mounting seat, a front scraper, a rear scraper, a Y-direction drive mechanism for a scraper, a Z-direction drive mechanism for a front scraper, and a rear scraper Z-direction drive mechanism; the scraper Y-direction drive mechanism drives and connects the scraper mounting seat, the Y-direction fixing seat of the steel mesh is provided with a Y-direction third linear slide rail, and the scraper mounting seat is rail-connected to the Y-direction third linear slide rail; the front scraper Z-direction The driving mechanism includes an adjustable stroke cylinder and a front scraper connecting seat. The scraper mounting seat is provided with a Z-direction second linear slide rail, and the front scraper connecting seat rail is connected to the Z-direction second linear slide rail. The adjustable stroke cylinder is connected to the front scraper connecting seat. , the front scraper connecting seat is connected to the front scraper; the Z-direction driving mechanism of the rear scraper includes a scraper stepping motor, and the scraper stepping motor drives and connects to the rear scraper. With the scraper mechanism of the above structure, when working, the Y-direction driving mechanism of the scraper can smoothly drive the front scraper and the rear scraper to move along the Y-direction third linear slide rail, and the Z-direction driving mechanism of the front scraper can easily adjust the stroke and pressure of the front scraper , the Z-direction driving mechanism of the rear scraper can accurately drive the displacement and positioning of the rear scraper. Therefore, the invention can make the stroke and pressure of the scraper easier to adjust, and the positioning is accurate, the transmission is stable, the printing accuracy is effectively improved, and the printing effect is ensured.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a structural schematic diagram of another perspective of the present invention.

Fig. 3 is an exploded schematic diagram of installation of the corresponding positions of the front scraper and the rear scraper of the present invention.

Fig. 4 is a schematic diagram of the installation of the corresponding position of the rear scraper of the present invention.

Detailed ways

The technical solution of the invention will be described below in conjunction with the accompanying drawings.

As shown in Figures 1 to 4, the scraper head of a photovoltaic solar printing machine includes a stencil Y-direction fixing seat 5, a scraper mounting seat 7, a front scraper 70 and a rear scraper 71, and it also includes a scraper Y-direction drive mechanism 73, a front The scraper Z-direction drive mechanism and the rear scraper Z-direction drive mechanism; the scraper Y-direction drive mechanism 73 is driven to connect the scraper mounting seat 7, and the steel mesh Y-direction fixed seat 5 is provided with a Y-direction third linear slide rail 590, and the scraper is installed The seat 7 is rail-connected to the third linear slide rail 590 in the Y direction; the Z-direction driving mechanism of the front scraper includes an adjustable stroke cylinder 701 and a front scraper connecting seat 704, and the scraper mounting seat 7 is provided with a second linear slide rail in the Z direction 77, the front scraper connecting seat 704 is rail-connected to the second Z-direction linear slide rail 77, the adjustable stroke cylinder 701 is connected to the front scraper connecting seat 704, and the front scraper connecting seat 704 is connected to the front scraper 70; the Z-direction driving mechanism of the rear scraper includes The scraper stepping motor 710, the scraper stepping motor 710 drives the connected rear scraper 71. Preferably, the adjustable-stroke cylinder 701 is provided with a magnetic sensor 78, which can sense the working position of the adjustable-stroke cylinder 701, thereby improving the safety of resetting and working of the front scraper 70.

As a preferred embodiment, the scraper head of the photovoltaic solar printing machine also includes a high-precision differential head 716 and a rear scraper adjustment column 715. The high-precision differential head 716 is connected, and the other end of the rear scraper adjustment column 715 is in contact with the rear scraper 71 . The high-precision differential head 716 can accurately adjust the swing range of the rear scraper 71, so that the rear scraper 71 can reach the best balance state.

As a preferred embodiment, the rear scraper Z-direction driving mechanism also includes a synchronous pulley transmission mechanism 712, a rear scraper Z-direction screw 713, a rear scraper Z-direction connecting seat 714, and a rear scraper fixing seat 72; the scraper stepping motor 710 drives and connects the rear scraper Z-direction screw rod 713 through the synchronous pulley transmission mechanism 712, the rear scraper Z-direction screw rod 713 is threadedly connected with the rear scraper Z-direction connecting seat 714, and the rear scraper Z-direction connecting seat 714 is connected to the rear scraper fixing seat 72, so The scraper mounting seat 7 is provided with a Z-direction first linear slide rail 74, the rear scraper fixing seat 72 is rail-connected to the Z-direction first linear slide rail 74, and the rear scraper 71 is connected to the rear scraper fixing seat 72 by fixing screws. . The Z-direction first linear slide rail 74 can play the role of stable guidance, and the rear scraper Z-direction screw rod 713 is a precision screw rod, which can play the role of precise positioning. Further, the scraper stepper motor 710 is connected with an encoder 711 . The scraper stepper motor 710 can accurately complete the given pulse, and the encoder 711 can accurately feed back the displacement of each pulse, so that the rear scraper 71 can be accurately displaced and positioned. Further, the scraper mounting seat 7 is provided with a limiting seat 76, and the limiting seat 76 is provided with a limiting nut 75, and the limiting seat 76 is in contact with the rear scraper fixing seat 72, and the limiting seat 76 can limit the position of the rear scraper fixing seat 72. position, preventing the rear scraper 71 from moving beyond the range.

As a preferred embodiment, the front scraper Z-direction drive mechanism also includes a connecting column 702, a connecting block 703 and a front scraper fixing nut column 705, the adjustable stroke cylinder 701 is connected to one end of the connecting column 702, and the connecting column 702 The other end is connected to one end of the connecting block 703, and the other end of the connecting block 703 is connected to the front scraper connecting seat 704. The connecting block 703 is rail-connected to the second linear slide rail 77 in the Z direction, and the front scraper fixing nut column 705 is connected to the front scraper. The seat 704, the front scraper 70 is fastened to the front scraper fixing nut post 705. The second linear slide rail can play a guiding role, which is beneficial to the smooth displacement of the front scraper 70 .

As a preferred embodiment, the scraper head of the photovoltaic solar printing machine also includes a front scraper adjustment scale seat 706 and a front scraper adjustment nut 707, the front scraper adjustment nut 707 is connected to the front scraper adjustment scale seat 706, and the front scraper adjustment scale seat 706 is connected to Adjust stroke cylinder 701. The position of the front scraper 70 can be adjusted by operating the front scraper adjustment nut 707 and the front scraper adjustment scale seat 706 .

As a preferred embodiment, the scraper Y-direction drive mechanism 73 includes a scraper Y-direction servo motor 730, a scraper Y-direction screw 733, a scraper Y-direction connection seat 731, a scraper guide post 732, a guide post connection seat 735, and a scraper linear bearing 734; the scraper Y-direction servo motor 730 is set on the stencil Y-direction fixed seat 5, the scraper Y-direction servo motor 730 drives and connects the scraper Y-direction screw rod 733, and the scraper Y-direction screw rod 733 is screwed to the scraper Y-direction connecting seat 731 , the scraper Y-direction connecting seat 731 is connected to the guide post connecting seat 735, one end of the scraper guide post 732 is connected to the guide post connecting seat 735, and the other end of the scraper guide post 732 passes through the scraper linear bearing 734 and is connected to the scraper mounting seat 7. The scraper linear bearing 734 and the Y-direction third linear slide rail 590 play the role of stable guidance, and the scraper Y-direction screw rod 733 is a precision screw rod, which can play the role of precise positioning.

The working principle of the scraper head of the photovoltaic solar printing machine in the present invention is: the scraper Y-direction servo motor 730 drives the scraper Y-direction screw rod 733 to rotate, and the scraper Y-direction screw rod 733 drives the scraper Y-direction connection seat 731, the guide post connection seat 735 and The scraper guide post 732 is displaced along the Y direction, and the scraper guide post 732 pushes the scraper mounting base 7 to move smoothly along the Y direction to the third linear slide rail 590 to realize the Y-direction displacement of the front scraper 70 and the rear scraper 71; the adjustable stroke cylinder 701 drives The connecting column 702 moves, and the connecting column 702 drives the connecting block 703 and the front scraper connecting seat 704 to move smoothly along the Z-direction to the second linear slide rail 77, thereby realizing the Z-direction displacement of the front scraper 70; the scraper stepping motor 710 is driven by a synchronous pulley The mechanism 712 drives the rear scraper Z to rotate to the screw rod 713, and the rear scraper Z to the screw rod 713 drives the rear scraper Z to move to the connecting seat 714, so that the rear scraper fixing seat 72 moves along the Z to the first linear slide rail 74, thereby realizing the rear scraper 71 Z displacement. When working, the scraper Y-direction drive mechanism 73 can smoothly drive the front scraper 70 and the rear scraper 71 to move along the Y-direction to the third linear slide rail 590, and the front scraper Z-direction drive mechanism can easily adjust the stroke and pressure of the front scraper 70, and the rear scraper 71 can be easily adjusted. The Z-direction driving mechanism of the scraper can accurately drive the displacement and positioning of the rear scraper 71. Therefore, the invention can make the stroke and pressure of the scraper easier to adjust, and the positioning is accurate, the transmission is stable, the printing accuracy is effectively improved, and the printing effect is ensured.

The above embodiments are only used to illustrate the technical solution of the present invention rather than limiting the protection scope of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solution of the present invention can be carried out Modification or equivalent replacement without departing from the spirit and scope of the technical solution of the present invention.

Claims (9)

1. photovoltaic solar printing machine scraper head, it comprises that steel mesh Y to holder (5), scraper mount pad (7), preceding scraper (70) and back scraper (71), is characterized in that: it also comprise scraper Y to driving mechanism (73), preceding scraper Z to driving mechanism and back scraper Z to driving mechanism;

Described scraper Y drives to driving mechanism (73) and connects scraper mount pad (7), and described steel mesh Y is provided with Y to trilinear slide rail (590) to holder (5), and scraper mount pad (7) rail is connected to Y to trilinear slide rail (590);

Scraper Z comprises range-adjustable cylinder (701) and preceding scraper Connection Block (704) to driving mechanism before described, described scraper mount pad (7) is provided with Z to second linear slide rail (77), preceding scraper Connection Block (704) rail is connected to Z to second linear slide rail (77), scraper Connection Block (704) before range-adjustable cylinder (701) connects, scraper (70) before preceding scraper Connection Block (704) connects;

Described back scraper Z comprises scraper stepper motor (710) to driving mechanism, and scraper stepper motor (710) drives and connects back scraper (71).

2. photovoltaic solar printing machine scraper head according to claim 1, it is characterized in that: also comprise high accuracy differential head (716) and back scraper adjustable column (715), described high accuracy differential head (716) wears scraper mount pad (7), one end of back scraper adjustable column (715) is connected with high accuracy differential head (716), and the other end of back scraper adjustable column (715) touches with back scraper (71).

3. photovoltaic solar printing machine scraper head according to claim 2 is characterized in that: described back scraper Z to driving mechanism also comprise synchronous belt wheel drive mechanism (712), back scraper Z to screw mandrel (713), back scraper Z to Connection Block (714), back scraper holder (72); Described scraper stepper motor (710) drives by synchronous belt wheel drive mechanism (712) and connects back scraper Z to screw mandrel (713), back scraper Z is threaded to Connection Block (714) with back scraper Z to screw mandrel (713), back scraper Z connects back scraper holder (72) to Connection Block (714), described scraper mount pad (7) is provided with Z to first linear slide rail (74), described back scraper holder (72) rail is connected to Z to first linear slide rail (74), and described back scraper (71) is connected in back scraper holder (72) by fixed screw.

4. photovoltaic solar printing machine scraper head according to claim 3 is characterized in that: described scraper stepper motor (710) is connected with encoder (711).

5. photovoltaic solar printing machine scraper head according to claim 3, it is characterized in that: described scraper mount pad (7) is provided with limit base (76), limit base (76) is provided with stop nut (75), and limit base (76) touches with back scraper holder (72).

6. photovoltaic solar printing machine scraper head according to claim 1 is characterized in that: described range-adjustable cylinder (701) is provided with magnetic strength (78).

7. photovoltaic solar printing machine scraper head according to claim 1, it is characterized in that: scraper Z also comprises joint pin (702) to driving mechanism before described, contiguous block (703) and preceding scraper hold-down nut post (705), described range-adjustable cylinder (701) is connected with an end of joint pin (702), the other end of joint pin (702) is connected with an end of contiguous block (703), the other end of contiguous block (703) is connected with preceding scraper Connection Block (704), contiguous block (703) rail is connected to Z to second linear slide rail (77), scraper Connection Block (704) before preceding scraper hold-down nut post (705) is connected in, preceding scraper (70) is buckled in preceding scraper hold-down nut post (705).

8. photovoltaic solar printing machine scraper head according to claim 7, it is characterized in that: scraper is regulated scale seat (706) and preceding scraper adjusting nut (707) before also comprising, scraper was regulated scale seat (706) before preceding scraper adjusting nut (707) connected, and preceding scraper is regulated scale seat (706) connection range-adjustable cylinder (701).

9. according to each described photovoltaic solar printing machine scraper head of claim 1 to 8, it is characterized in that: described scraper Y to driving mechanism (73) comprise scraper Y to servo motor (730), scraper Y to screw mandrel (733), scraper Y to Connection Block (731), scraper guide pillar (732), guide pillar Connection Block (735), scraper linear bearing (734); Described scraper Y is arranged at steel mesh Y to holder (5) to servo motor (730), scraper Y drives to servo motor (730) and connects scraper Y to screw mandrel (733), scraper Y is threaded to Connection Block (731) with scraper Y to screw mandrel (733), scraper Y is connected with guide pillar Connection Block (735) to Connection Block (731), one end of scraper guide pillar (732) is connected with guide pillar Connection Block (735), and the other end of scraper guide pillar (732) passes scraper linear bearing (734) back and is connected with scraper mount pad (7).

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