阅读说明：本技术 印刷机及其刮墨刀角度调节装置 (Printing machine and scraping blade angle adjusting device thereof ) 是由 郭宏亮 雷杰 于 2019-11-26 设计创作，主要内容包括：本发明公开了一种印刷机及其刮墨刀角度调节装置,其中,印刷机刮墨刀调节装置包括：用于安装刮墨刀的刮墨刀安装座,所述刮墨刀安装座可活动的安装在刮墨刀导杆上,并可绕基本垂直于刮墨刀导杆轴心线的直线往复转动；升降板,其与所述刮墨刀安装座的座身铰接连接；升降板驱动机构,其用于驱动所述升降板在预设高度范围内往复升降,以带动刮墨刀安装座绕基本垂直于刮墨刀导杆轴心线的直线在预设角度范围内往复转动。本刮墨刀角度调节装置中,升降板驱动机构驱动升降板在预设高度范围内往复升降,从而带动刮墨刀安装在绕基本垂直于刮墨刀导杆轴心线的直线在预设角度范围内往复转动,自动完成对刮墨刀角度的调节,使用方便,且调节精度高。(The invention discloses a printing machine and a doctor blade angle adjusting device thereof, wherein the doctor blade angle adjusting device of the printing machine comprises: the doctor blade mounting seat is movably arranged on the doctor blade guide rod and can rotate back and forth around a straight line which is basically vertical to the axial lead of the doctor blade guide rod; the lifting plate is hinged with the seat body of the doctor blade mounting seat; and the lifting plate driving mechanism is used for driving the lifting plate to reciprocate within a preset height range so as to drive the doctor blade mounting seat to reciprocate within a preset angle range around a straight line which is basically vertical to the axial lead of the doctor blade guide rod. In the ink scraping knife angle adjusting device, the lifting plate driving mechanism drives the lifting plate to reciprocate within a preset height range, so that the ink scraping knife is driven to be installed in a reciprocating rotation manner within a preset angle range around a straight line which is basically perpendicular to the axial lead of the ink scraping knife guide rod, the adjustment of the angle of the ink scraping knife is automatically completed, the use is convenient, and the adjusting precision is high.)

1. A doctor blade angle adjustment device for a printing press, comprising:

a doctor blade mounting seat for mounting a doctor blade;

the top of the fixing frame is fixed on a doctor blade guide rod of the printing machine, and the doctor blade mounting seat is mounted at the bottom of the fixing frame and can swing around the length direction of the doctor blade;

the lifting plate is hinged with the seat body of the doctor blade mounting seat;

and the lifting plate driving mechanism is used for driving the lifting plate to lift within a preset height range so as to drive the doctor blade mounting seat to swing within a preset angle range around the length direction of the doctor blade.

2. The doctor blade angle adjustment device as claimed in claim 1, further comprising: the rotating shaft is rotatably arranged at the bottom of the fixing frame, and the axis of the rotating shaft is basically parallel to the length direction of the doctor blade; the doctor blade mounting seat is fixed on the rotating shaft.

3. The doctor blade angle adjustment device as claimed in claim 2, wherein said holder includes: the fixing plate is fixed on the doctor blade guide rod, and the two connecting lugs are respectively fixed at two ends of the fixing plate along the axial lead direction of the rotating shaft; the rotating shaft is rotatably arranged between the two connecting lugs; the lifting plate driving mechanism is fixed on the fixing plate.

4. The doctor blade angle adjustment device of claim 3, wherein said lift plate drive mechanism includes: a lifter plate drive motor, a lifter plate lead screw, and a lifter plate lead screw nut; a motor shaft of the lifting plate driving motor is fixed on the fixing plate downwards and is perpendicular to the fixing plate and the lifting plate; the lifting plate screw nut is fixed on the lifting plate; one end of the lifting plate screw rod is fixed on a motor shaft of the lifting plate driving motor, and the other end of the lifting plate screw rod is screwed in the lifting plate screw rod nut.

5. The doctor blade angle adjustment device of claim 4, wherein said lift plate drive mechanism further includes: at least one lifter plate guide bar, the one end of lifter plate guide bar is fixed on the fixed plate, and the other end slidable wears to establish on the lifter plate.

6. The doctor blade angle adjustment device of claim 5, wherein said lift plate drive mechanism further includes: the lifting plate linear bearing is installed on the lifting plate, and the other end of the lifting plate guide rod penetrates through the lifting plate linear bearing in a sliding mode.

7. The doctor blade angle adjustment device of claim 6, wherein said lift plate drive mechanism further includes: the ink scraping blade angle sensing piece is fixed on the rotating shaft and can synchronously move along with the rotating shaft; the doctor blade angle sensing piece is provided with a sensing area and a non-sensing area, and the sensing area and the non-sensing area are mutually switched when the rotating shaft rotates; the doctor blade angle sensor is electrically connected with the lifting plate driving motor, and when the doctor blade angle sensor senses the induction area, the lifting driving motor is controlled to stop working.

8. The doctor blade angle adjustment device of claim 7, wherein said doctor blade angle sensing blade is a circular doctor blade angle sensing blade, said circular doctor blade angle sensing blade having a fan-shaped notch formed therein, said fan-shaped notch forming said non-sensing area; the fan-shaped gap is along the included angle between the two side edges of the circumference of the circular doctor blade angle sensing piece is the preset angle.

9. The doctor blade angle adjustment assembly as claimed in claim 8, wherein at least one end of said rotary shaft is extended out through said engaging lug, said doctor blade angle sensing blade is fixed to said end, and said doctor blade angle sensor is fixed to said engaging lug at said end.

10. A printing press comprising the doctor blade angle adjusting device as claimed in any one of claims 1 to 9.

Technical Field

The application relates to the technical field of printing machine scraper modules, in particular to a printing machine and an angle adjusting device of a doctor blade.

Background

A screen printing machine is a machine for printing by using a screen printing plate, and belongs to a printing machine. A generally known screen printing machine is a flat screen printing machine which prints on a flat substrate using a flat screen printing plate, generally by moving the printing substrate horizontally against a screen printing plate by means of a squeegee.

In traditional scraper module, the regulation of doctor blade angle adopts rotatory hand wheel to drive the rotatory realization of doctor blade mount pad mostly, uses and inconvenient, and the precision is not high.

Disclosure of Invention

The application aims at providing a printing machine and its angle adjusting device of ink scraping blade, is convenient for to the regulation of ink scraping blade angle, and adjusts the precision height.

According to a first aspect of the present application, there is provided a doctor blade angle adjusting device of a printing press, comprising:

a doctor blade mounting seat for mounting a doctor blade;

the top of the fixing frame is fixed on a doctor blade guide rod of the printing machine, and the doctor blade mounting seat is mounted at the bottom of the fixing frame and can swing around the length direction of the doctor blade;

the lifting plate is hinged with the seat body of the doctor blade mounting seat;

and the lifting plate driving mechanism is used for driving the lifting plate to lift within a preset height range so as to drive the doctor blade mounting seat to swing within a preset angle range around the length direction of the doctor blade.

Further, the doctor blade angle adjusting device further includes: the rotating shaft is rotatably arranged at the bottom of the fixing frame, and the axis of the rotating shaft is basically parallel to the length direction of the doctor blade; the doctor blade mounting seat is fixed on the rotating shaft.

Further, the doctor blade angle adjusting device, wherein the holder includes: the fixing plate is fixed on the doctor blade guide rod, and the two connecting lugs are respectively fixed at two ends of the fixing plate along the axial lead direction of the rotating shaft; the rotating shaft is rotatably arranged between the two connecting lugs; the lifting plate driving mechanism is fixed on the fixing plate.

Further, the doctor blade angle adjusting device, wherein the lift plate driving mechanism includes: a lifter plate drive motor, a lifter plate lead screw, and a lifter plate lead screw nut; a motor shaft of the lifting plate driving motor is fixed on the fixing plate downwards and is perpendicular to the fixing plate and the lifting plate; the lifting plate screw nut is fixed on the lifting plate; one end of the lifting plate screw rod is fixed on a motor shaft of the lifting plate driving motor, and the other end of the lifting plate screw rod is screwed in the lifting plate screw rod nut.

Further, the doctor blade angle adjusting device, wherein the lift plate driving mechanism further includes: at least one lifter plate guide bar, the one end of lifter plate guide bar is fixed on the fixed plate, and the other end slidable wears to establish on the lifter plate.

Further, the doctor blade angle adjusting device, wherein the lift plate driving mechanism further includes: the lifting plate linear bearing is installed on the lifting plate, and the other end of the lifting plate guide rod penetrates through the lifting plate linear bearing in a sliding mode.

Further, the doctor blade angle adjusting device, wherein the lift plate driving mechanism further includes: the ink scraping blade angle sensing piece is fixed on the rotating shaft and can synchronously move along with the rotating shaft; the doctor blade angle sensing piece is provided with a sensing area and a non-sensing area, and the sensing area and the non-sensing area are mutually switched when the rotating shaft rotates; the doctor blade angle sensor is electrically connected with the lifting plate driving motor, and when the doctor blade angle sensor senses the induction area, the lifting driving motor is controlled to stop working.

Further, the doctor blade angle adjusting device, wherein the doctor blade angle sensing piece is a circular doctor blade angle sensing piece, a fan-shaped notch is formed on the circular doctor blade angle sensing piece, and the fan-shaped notch forms the non-sensing area; the fan-shaped gap is along the included angle between the two side edges of the circumference of the circular doctor blade angle sensing piece is the preset angle.

Further, the doctor blade angle adjusting device, wherein at least one end of the rotating shaft leaks out after passing through the connecting lug, the doctor blade angle sensing piece is fixed at the end, and the doctor blade angle sensor is fixed on the connecting lug at the end.

According to a second aspect of the present application, there is also provided a printing press comprising the doctor blade angle adjusting device.

The invention has the beneficial effects that:

the application provides a printing machine and ink scraping blade angle adjusting device thereof, wherein, printing machine ink scraping blade adjusting device includes: the doctor blade mounting seat is movably arranged on the doctor blade guide rod and can rotate back and forth around a straight line which is basically vertical to the axial lead of the doctor blade guide rod; the lifting plate is hinged with the seat body of the doctor blade mounting seat; and the lifting plate driving mechanism is used for driving the lifting plate to reciprocate within a preset height range so as to drive the doctor blade mounting seat to reciprocate within a preset angle range around a straight line which is basically vertical to the axial lead of the doctor blade guide rod. The lifting plate driving mechanism drives the lifting plate to reciprocate within a preset height range, so that the doctor blade is driven to be mounted on a straight line which is basically perpendicular to the axial lead of the doctor blade guide rod and can rotate in a reciprocating mode within a preset angle range, the angle of the doctor blade can be automatically adjusted, the use is convenient, and the adjusting precision is high.

Drawings

FIG. 1 is a schematic structural view of a doctor blade angle adjustment device provided herein;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view showing the positional relationship between the rotary shaft and the doctor blade mounting seat in the present application;

fig. 4 is a schematic structural diagram of another view angle of the doctor blade angle adjusting device provided by the present application.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.