阅读说明：本技术 一种改良的平板印刷机的走纸装置 (A kind of form feeding device of the lithographic press of improvement ) 是由 周谊涛 贺祖前 卢伊莎 于 2019-08-20 设计创作，主要内容包括：一种改良的平板印刷机的走纸装置,包括基座和设备箱；基座的正面设置有工作箱,工作箱内设置有间歇机构,第一驱动电机安装在基座的内壁上,且第一驱动电机的输出端与转盘连接,转盘的正面设置有半圆盘,转盘远离圆心的位置设置有导向柱；从动转盘上等间距设置有四组通槽,通槽与导向柱相适配,两两通槽之间设置有与半圆盘相适配的弧形凹槽；半圆盘通过连轴与第一辊轴连接；第二辊轴转动设置在基座上,第三辊轴转动设置在设备箱上,主动皮带轮与从动皮带轮通过皮带连接,主动皮带轮与第二驱动电机的输出端连接。本发明采用间歇式移动,利于对纸张进行贴膜、印刷等系列加工工艺,和能对纸张进行精确的定位,大大提高了印刷的效率。(A kind of form feeding device of the lithographic press of improvement, including pedestal and equipment box；The front of pedestal is provided with work box, indexing mechanism is provided in work box, the first driving motor is mounted on the inner wall of pedestal, and the output end of the first driving motor is connect with turntable, the front of turntable is provided with semi-disc, and turntable is provided with guide post far from the position in the center of circle；Four groups of through slots are equidistantly provided on driven turntable, through slot is adapted with guide post, is provided with arc groove compatible with semi-disc between through slot two-by-two；Semi-disc is connect by connecting shaft with the first roll shaft；Second roll shaft is rotatably arranged on pedestal, and third roll shaft is rotatably arranged on equipment box, and drive pulley is connect with driven pulley by belt, and drive pulley is connect with the output end of the second driving motor.The present invention uses intermittent movement, is conducive to carry out paper the serial processing technology such as pad pasting, printing, and can accurately position paper, substantially increases the efficiency of printing.)

1. a kind of form feeding device of the lithographic press of improvement, which is characterized in that including pedestal (3) and equipment box (13)；Pedestal (3) it is mounted on the left side top surface of pedestal (1) by first support bar (2), equipment box (13) is pacified by second support bar (14) On the right side top surface of pedestal (1)；The front of pedestal (3) is provided with work box (5), is provided with interval machine in work box (5) Structure, the output end of indexing mechanism are connect with the first roll shaft (6), and the first roll shaft (6) is arranged at the middle part of pedestal (3), and and pedestal (3) it is rotatablely connected；Indexing mechanism include the first driving motor, shaft (15), turntable (16), semi-disc (17), guide post (18), Driven turntable (19) and through slot (20)；First driving motor is mounted on the inner wall of pedestal (3), and the output of the first driving motor End is connect with turntable (16), and the front of turntable (16) is provided with semi-disc (17), and turntable (16) is provided with far from the position in the center of circle Guide post (18)；Four groups of through slots (20) are equidistantly provided on driven turntable (19), through slot (20) is adapted with guide post (18), It is provided between through slot (20) two-by-two and semi-disc (17) compatible arc groove；Semi-disc (17) passes through connecting shaft and the first roller Axis (6) connection；Second roll shaft (7) is rotatably arranged on pedestal (3), and the second roll shaft (7) is connect with drive pulley (8), third Roll shaft (11) is rotatably arranged on equipment box (13), and third roll shaft (11) is connect with driven pulley (10), drive pulley (8) It is connect with driven pulley (10) by belt (9), drive pulley (8) is connect with the output end of the second driving motor.

2. a kind of form feeding device of the lithographic press of improvement according to claim 1, which is characterized in that equipment box (13) Inside it is provided with positioning device；Positioning device include print station (12), negative pressure pump (21), negative tube (22), drive bevel gear (23), Driven wheel of differential (24), shaft (25) and motor (26)；Print station (12) is rotatably installed on equipment box (13), print station (12) It is connect by negative tube (22) with the output end of negative pressure pump (21), negative tube (22) and print station (12) are rotatablely connected, negative tube (22) it is arranged on drive bevel gear (23), drive bevel gear (23) engages connection, driven wheel of differential with driven wheel of differential (24) (24) it is connect with shaft (25), the other end of shaft (25) is connect with motor (26)；Motor (26) is mounted on equipment box (13) On inner wall.

3. a kind of form feeding device of the lithographic press of improvement according to claim 1, which is characterized in that station (12) By cover (27), ventilation hole (28) and walks cardboard (29) and form；Cover (12) is rotatably installed on equipment box (12), cover (12) On be equidistantly provided with four groups and walk cardboard (29), walk and be equidistantly provided on cardboard (29) multiple groups ventilation hole (28), cover (27) It is rotatably installed on equipment box (13), cover (27) is connect by negative tube (22) with the output end of negative pressure pump (21).

4. a kind of form feeding device of the lithographic press of improvement according to claim 3, which is characterized in that walk cardboard (29) On be provided with laser orientation instru-ment (30), laser orientation instru-ment (30) is connect with negative pressure pump (21) and motor (26) signal.

5. a kind of form feeding device of the lithographic press of improvement according to claim 1, which is characterized in that on pedestal (3) Left side top surface on be provided with limit plate (4).

6. a kind of form feeding device of the lithographic press of improvement according to claim 5, which is characterized in that limit plate (4) For U-shaped structure.

7. a kind of form feeding device of the lithographic press of improvement according to claim 1, which is characterized in that the first roll shaft (6), the second roll shaft (7), third roll shaft (11) and print station (12) are on same plane.

Technical field

The present invention relates to lithographic press field more particularly to a kind of form feeding devices of the lithographic press of improvement.

Background technique

Printing machine is a kind of equipment by inking face pressure on paper, and printing machine is generally by loading, inking, coining, paper feed etc. The multiple working procedure of printing is designed to that the form of assembly line is completed to improve printing processing speed by mechanism composition, and per pass work Sequence needs certain operating time, for the printing machine of continuous work, needs to suspend some processes to complete subsequent handling, to keep away Exempt to work as the continuous paper feeding of paper advance mechanism and paper sheet stacking occurs etc. and the form feeding device of existing lithographic press is to paper printing When locating effect it is poor, cause defect ware more, cause the waste of resource, and increase production cost, paper feed inefficient.

To solve the above problems, proposing a kind of form feeding device of the lithographic press of improvement in the application.

Summary of the invention

(1) goal of the invention

To solve technical problem present in background technique, the present invention proposes a kind of form feeding device of the lithographic press of improvement, Using intermittent movement, it is conducive to carry out paper the serial processing technology such as pad pasting, printing, is suitable for automation equipment and uses, and Paper can accurately be positioned, substantially increase the efficiency of printing.

(2) technical solution

To solve the above problems, the present invention provides a kind of form feeding device of the lithographic press of improvement, including pedestal and equipment Case；Pedestal is mounted on the left side top surface of pedestal by first support bar, and equipment box is mounted on pedestal by second support bar On the top surface of right side；

The front of pedestal is provided with work box, and indexing mechanism, the output end of indexing mechanism and the first roll shaft are provided in work box Connection, the middle part of pedestal is arranged in the first roll shaft, and is rotatablely connected with pedestal；Indexing mechanism include the first driving motor, shaft, Turntable, semi-disc, guide post, driven turntable and through slot；First driving motor is mounted on the inner wall of pedestal, and the first driving electricity The output end of machine is connect with turntable, and the front of turntable is provided with semi-disc, and turntable is provided with guide post far from the position in the center of circle；From Four groups of through slots are equidistantly provided on turn disk, through slot is adapted with guide post, is provided between through slot two-by-two and semi-disc phase The arc groove of adaptation；Semi-disc is connect by connecting shaft with the first roll shaft；

Second roll shaft is rotatably arranged on pedestal, and the second roll shaft is connect with drive pulley, and third roll shaft is rotatably arranged on equipment On case, third roll shaft is connect with driven pulley, and drive pulley is connect with driven pulley by belt, drive pulley with The output end of second driving motor connects.

Preferably, positioning device is provided in equipment box；Positioning device includes print station, negative pressure pump, negative tube, initiative taper Gear, driven wheel of differential, shaft and motor；Print station is rotatably installed on equipment box, and print station passes through negative tube and negative pressure pump Output end connection, negative tube and print station be rotatablely connected, be arranged with drive bevel gear on negative tube, drive bevel gear with it is driven Bevel gear engagement connection, driven wheel of differential are connect with shaft, and the other end of shaft is connected to motor；Motor is mounted on equipment box On inner wall.

Preferably, station by cover, ventilation hole and paper feed board group at；Cover is rotatably installed on equipment box, on cover Spaced set has four groups to walk cardboard, the spacing such as walks on cardboard and is provided with multiple groups ventilation hole, and cover is rotatably installed on equipment box, Cover is connected by the output end of negative tube and negative pressure pump.

Preferably, it walks and is provided with laser orientation instru-ment on cardboard, laser orientation instru-ment is connect with negative pressure pump and motor signal.

Preferably, limit plate is provided on the left side top surface on pedestal.

Preferably, limit plate is U-shaped structure.

Preferably, the first roll shaft, the second roll shaft, third roll shaft and print station are on same plane.

Above-mentioned technical proposal of the invention has following beneficial technical effect: in the lithographic press using the improvement When form feeding device, starting the first driving motor work drives turntable and semi-disc on turntable and guide post to be rotated, thus It drives the first roll shaft intermittently to be rotated by driven turntable, allows paper intermittent by the second roll shaft and third The mating reaction of roll shaft is output to walking on cardboard on print station, after then laser orientation instru-ment senses away the paper on cardboard, Motor is transmitted a signal to, motor drives print station swing by negative tube, drive bevel gear, driven wheel of differential and shaft, So that lower a piece of paper paper feed to it is next walk cardboard on, when four groups on print station, which walk cardboard, has paper, open negative pressure pump, Allow the negative pressure of negative pressure pump generation stably and firmly by paper adsorption on print station, paper can be printed, The techniques such as gold stamping.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of the form feeding device of the lithographic press of improvement proposed by the present invention.

Fig. 2 is the structural schematic diagram of work box in a kind of form feeding device of the lithographic press of improvement proposed by the present invention.

Fig. 3 is the structural schematic diagram of equipment box in a kind of form feeding device of the lithographic press of improvement proposed by the present invention.

Fig. 4 is the structural schematic diagram of cover in a kind of form feeding device of the lithographic press of improvement proposed by the present invention.

Appended drawing reference:

1, pedestal；2, first support bar；3, pedestal；4, limit plate；5, work box；6, the first roll shaft；7, the second roll shaft；8, actively Belt pulley；9, belt；10, driven pulley；11, third roll shaft；12, print station；13, equipment box；14, second support bar；15, Shaft；16, turntable；17, semi-disc；18, guide post；19, driven turntable；20, through slot；21, negative pressure pump；22, negative tube；23, Drive bevel gear；24, driven wheel of differential；25, shaft；26, motor；27, cover；28, ventilation hole；29, cardboard is walked；30, laser Position indicator.

Specific embodiment

In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured The concept of invention.

As shown in Figs 1-4, the form feeding device of the lithographic press of a kind of improvement proposed by the present invention, including pedestal 3 and set Standby case 13；Pedestal 3 is mounted on the left side top surface of pedestal 1 by first support bar 2, and equipment box 13 is pacified by second support bar 14 On the right side top surface of pedestal 1；

The front of pedestal 3 is provided with work box 5, and indexing mechanism, the output end of indexing mechanism and the first roller are provided in work box 5 Axis 6 connects, and the middle part of pedestal 3 is arranged in the first roll shaft 6, and is rotatablely connected with pedestal 3；Indexing mechanism includes the first driving electricity Machine, shaft 15, turntable 16, semi-disc 17, guide post 18, driven turntable 19 and through slot 20；First driving motor is mounted on pedestal 3 Inner wall on, and the output end of the first driving motor is connect with turntable 16, and the front of turntable 16 is provided with semi-disc 17, turntable 16 Position far from the center of circle is provided with guide post 18；Four groups of through slots 20, through slot 20 and guiding are equidistantly provided on driven turntable 19 Column 18 is adapted, and is provided with arc groove compatible with semi-disc 17 between through slot 20 two-by-two；Semi-disc 17 by connecting shaft with The connection of first roll shaft 6；

Second roll shaft 7 is rotatably arranged on pedestal 3, and the second roll shaft 7 is connect with drive pulley 8, the rotation setting of third roll shaft 11 On equipment box 13, third roll shaft 11 is connect with driven pulley 10, and drive pulley 8 and driven pulley 10 pass through belt 9 Connection, drive pulley 8 are connect with the output end of the second driving motor.

In an alternative embodiment, positioning device is provided in equipment box 13；Positioning device includes print station 12, bears Press pump 21, negative tube 22, drive bevel gear 23, driven wheel of differential 24, shaft 25 and motor 26；Print station 12, which is rotatably installed in, to be set On standby case 13, print station 12 is connect by negative tube 22 with the output end of negative pressure pump 21, and negative tube 22 and the rotation of print station 12 connect It connects, drive bevel gear 23 is arranged on negative tube 22, drive bevel gear 23 engages connection, driven wheel of differential with driven wheel of differential 24 24 connect with shaft 25, and the other end of shaft 25 is connect with motor 26；Motor 26 is mounted on the inner wall of equipment box 13.

In an alternative embodiment, station 12 by cover 27, ventilation hole 28 and is walked cardboard 29 and is formed；12 turns of cover It is dynamic to be mounted on equipment box 12, four groups are equidistantly provided on cover 12 and walks cardboard 29, walk equidistantly be provided on cardboard 29 it is more Group ventilation hole 28, cover 27 are rotatably installed on equipment box 13, and cover 27 is connected by the output end of negative tube 22 and negative pressure pump 21 It connects.

In an alternative embodiment, it walks and is provided with laser orientation instru-ment 30 on cardboard 29, laser orientation instru-ment 30 and negative pressure Pump 21 is connected with 26 signal of motor.

In an alternative embodiment, limit plate 4 is provided on the left side top surface on pedestal 3.

In an alternative embodiment, limit plate 4 is U-shaped structure.

In an alternative embodiment, the first roll shaft 6, the second roll shaft 7, third roll shaft 11 and print station 12 are in together In one plane.

In the present invention, when using the form feeding device of the lithographic press of the improvement, starting the first driving motor work, band Semi-disc 17 and guide post 18 on turn disk 16 and turntable 16 are rotated, to drive the first roll shaft by driven turntable 19 6 are intermittently rotated, and are allowed paper intermittent and are output to by the mating reaction of the second roll shaft 7 and third roll shaft 11 Walking on cardboard 29 on print station 12, after then laser orientation instru-ment 30 senses away the paper on cardboard 29, transmits a signal to Motor 26, motor 26 drive the rotation of print station 12 90 by negative tube 22, drive bevel gear 23, driven wheel of differential 24 and shaft 25 Degree so that lower a piece of paper paper feed to it is next walk cardboard 29 on, when four groups on print station 12, which walk cardboard 29, has paper, open Negative pressure pump 21 is opened, the negative pressure that negative pressure pump 21 is generated, can stably and firmly by paper adsorption on print station 12 The techniques such as printed, be gold stamping to paper.

It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing Change example.