CN210026609U

CN210026609U - Even water mechanism and printing machine of offset printing equipment

Info

Publication number: CN210026609U
Application number: CN201920577305.7U
Authority: CN
Inventors: 车文春; 於金华; 郑祥琪; 赵鹏
Original assignee: ZHEJIANG WEIGANG MACHINERY Co Ltd
Current assignee: Zhejiang Weigang Technology Co.,Ltd.
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-02-07
Anticipated expiration: 2029-04-25

Abstract

Even water mechanism and printing machine of offset printing equipment, the even water mechanism of offset printing equipment is including the water wallboard, it has even water roller frame to articulate on the water wallboard, even water roller frame is connected with roller frame adjusting drive device, even water roller has even water roller axle on the even water roller frame, even water roller is epaxial to be equipped with first bearing, connect even water roller on the first bearing, even water roller is epaxial still to be equipped with drive gear, drive gear and even water roller have the second bearing between the axle, even water roller is connected with drive gear, drive gear is connected with dampening roller gear drive. The water homogenizing roller of the water homogenizing mechanism of the offset printing equipment is matched with the dampening roller around the axis in a rotating mode to homogenize fountain solution, and the pressure between the water homogenizing roller and the dampening roller can be adjusted by adjusting the position of the water homogenizing roller frame. Further make, even water roller can carry out the axial drunkenness thereby is favorable to the fountain solution more even, and the printing machine contains the even water mechanism of offset printing equipment.

Description

Even water mechanism and printing machine of offset printing equipment

Technical Field

The utility model relates to a printing machine, in particular to even water mechanism of offset printing equipment.

Background

The dampening system of the offset printing equipment is provided with a dampening mechanism, dampening solution in a water tank of the dampening mechanism is transferred to a dampening roller by a water source roller, and the dampening roller transfers the dampening solution to a plate cylinder for dampening. Whether the dampening solution on the dampening roller is uniform or not affects the printing effect of the plate cylinder.

SUMMERY OF THE UTILITY MODEL

In view of the technical problem that exists among the background art, the utility model aims at providing a mode through even water roller rotation, axial round trip movement makes the even offset printing equipment's of fountain solution on the dampening roller even water mechanism and printing machine.

In order to solve the technical problem, the utility model discloses a following technical scheme: even water mechanism of offset printing equipment, including water wallboard, its characterized in that: the water body wall plate is hinged with a water homogenizing roller frame, the water homogenizing roller frame is connected with a roller frame adjusting transmission device, a water homogenizing roller shaft is connected onto the water homogenizing roller frame, a first bearing is arranged on the water homogenizing roller shaft, a water homogenizing roller is connected onto the first bearing, a transmission gear is further arranged on the water homogenizing roller shaft, a second bearing is arranged between the transmission gear and the water homogenizing roller shaft, the water homogenizing roller is connected with the transmission gear, and the transmission gear is in transmission connection with a dampening roller gear.

The water homogenizing roll frame is provided with a copper sleeve or a needle bearing, the water homogenizing roll shaft is connected with the copper sleeve or the needle bearing on the water homogenizing roll frame, the water homogenizing roll shaft is connected with the axial float transmission device, the axial float transmission device is in transmission connection with the input gear, the axial float transmission device comprises a worm gear box gear, the worm gear box gear is in transmission connection with the input gear, the worm gear box gear is in transmission connection with the worm, the worm is in transmission connection with the worm wheel, and the worm wheel is in transmission connection with the water homogenizing roll shaft. The worm wheel is in transmission connection with a worm wheel shaft, an eccentric transmission block is arranged on the worm wheel shaft and is in transmission connection with a swing seat, the swing seat is hinged on the transverse guide shaft, and the swing seat is connected with the water homogenizing roller shaft. The horizontal guide shaft is connected to a water wall plate or a worm gear case, an opening clamping block is arranged on the swing seat, an opening part is arranged on the water homogenizing roller shaft, and the opening part is matched with the opening clamping block.

The roller frame adjusting transmission device comprises a swing rod, the swing rod is hinged with the water homogenizing roller frame, a long hole is formed in the swing rod, the long hole is hinged to the water body wallboard, an adjusting screw rod is further arranged on the water body wallboard, and the adjusting screw rod is in transmission connection with the swing rod. The swing rod is provided with a rotating pin with a screw hole, the screw hole on the rotating pin is in transmission connection with an adjusting screw rod, and the adjusting screw rod is connected to the water body wallboard through a clamping block.

Printing machine, including offset printing unit, its characterized in that: the offset printing unit comprises a water homogenizing mechanism of the offset printing equipment.

The beneficial effects of the utility model are that, this offset printing equipment's even water roller of even water mechanism is beating the fountain solution evenly around its axle center normal running fit water roller, can also make even water roller and the pressure size between the water roller obtain the adjustment through the position of adjusting even water roller frame. Further, the even water roller can axially move, so that the fountain solution is more uniform. The printing machine comprises a water homogenizing mechanism of offset printing equipment.

Drawings

The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings.

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

Fig. 2 is a view a-a of fig. 1.

Fig. 3 is a view B-B of fig. 1.

Detailed Description

Referring to the drawings, the water homogenizing mechanism of the offset printing equipment in the embodiment comprises a water body wall plate 8, a water homogenizing roller frame 19 is hinged on the water body wall plate 8, the water homogenizing roller frame 19 is connected with a roller frame adjusting transmission device, and the roller frame adjusting transmission device drives the water homogenizing roller frame 19 to rotate and adjust around the hinged position on the water body wall plate 8, so that the pressure between a water homogenizing roller 25 arranged on the water homogenizing roller frame 19 and a water applying roller on the water body wall plate 8 can be adjusted. The water homogenizing roller frame 19 is connected with a water homogenizing roller shaft 13, the water homogenizing roller shaft 13 is provided with a first bearing 30 (such as a rotating bearing), the first bearing 30 is connected with a water homogenizing roller 25, the water homogenizing roller shaft 13 is further provided with a transmission gear 2, a second bearing 32 (such as a rotating bearing) is arranged between the transmission gear 2 and the water homogenizing roller shaft 13, the water homogenizing roller 25 is connected with the transmission gear 2, and power is input through the transmission gear 2, so that the water homogenizing roller 25 rotates on the water homogenizing roller shaft 13. The transmission gear 2 is in transmission connection with the dampening roller gear 1, power is input to the transmission gear 2 through the dampening roller gear 1, and the structural layout and transmission are reasonable. The fountain solution on the dampening roller is evenly beaten in cooperation with the rotation process of the water evening roller 25. The dampening roller on the water wall plate 8 is driven by a power source (a motor) to rotate, the dampening roller gear 1 is connected to an end shaft of the dampening roller, and the dampening roller gear 1 is used as power input by the water homogenizing mechanism. The printing machine comprises an offset printing unit and a water homogenizing mechanism of offset printing equipment included in the offset printing unit.

The water homogenizing roller frame 19 is provided with a copper sleeve 20 or a needle bearing, the water homogenizing roller shaft 13 is connected with the copper sleeve 20 or the needle bearing on the water homogenizing roller frame 19, two ends of the water homogenizing roller shaft 13 are respectively supported by the connected copper sleeve 20 or the needle bearing, and the copper sleeve 20 or the needle bearing is used for guiding and supporting when the water homogenizing roller shaft 13 axially moves. The water homogenizing roller shaft 13 is connected with an axial float transmission device, and the axial float transmission device drives the water homogenizing roller shaft 13 to axially float (i.e. to move back and forth). The axial float transmission device is in transmission connection with the input gear 9, and the input gear 9 inputs power into the axial float transmission device; in this embodiment, the input gear 9 may be disposed on the water source roller shaft through the first bearing 30, and the water homogenizing mechanism may use the input gear 9 as power input. In the embodiment, the axial float transmission device comprises a worm gear box gear 10, the worm gear box gear 10 is in transmission connection with an input gear 9, power is input into the worm gear box gear 10 through the input gear 9, the worm gear box gear 10 is in transmission connection with a worm 18, the worm gear box gear 10 drives the worm 18, the worm 18 is in transmission connection with a worm wheel 16, the worm wheel 16 is in transmission connection with a water homogenizing roller shaft 13, the worm wheel 16 is driven by the worm 18, and the worm wheel 16 rotates to drive the water homogenizing roller shaft 13 to axially float; the worm wheel 16 is in transmission connection with a worm wheel shaft 17, an eccentric transmission block 14 is arranged on the worm wheel shaft 17, the eccentric transmission block 14 is in transmission connection with the swing seat 11, a needle bearing can be further arranged on the eccentric transmission block to enable transmission to be smooth, the swing seat 11 is hinged to a transverse guide shaft (not shown), the transverse guide shaft can be used for swinging the swing seat 11 and can also be used for enabling the swing seat 11 to slide transversely, the worm wheel shaft 17 rotates on a worm wheel box under the transmission of the worm wheel 16, a copper sleeve is arranged in the worm wheel box to enable the worm wheel shaft to rotate smoothly, the worm wheel shaft 17 drives the swing seat 11 to move transversely and reciprocally through the eccentric transmission block 14, the swing seat 11 is connected with the water homogenizing roller shaft 13, and the swing seat 11 drives the water homogenizing roller shaft 13 to move axially through transverse sliding on the transverse guide shaft. The transverse guide shaft is connected to the water wall plate 8 or the worm gear case, the swing seat 11 is provided with an opening clamping block, the water homogenizing roller shaft 13 is provided with an opening part, and the opening part is matched with the opening clamping block. The opening clamping block in the embodiment comprises a fixed block and a mounting block 12, the mounting block 12 is connected to the swing seat 11 through a fastener (such as a bolt) to form the opening clamping block with the fixed block, the opening clamping block can clamp the water homogenizing roller shaft 13 at an opening part so as to be driven to move axially, and the opening part in the embodiment is a cutting groove arranged in parallel on two sides of the water homogenizing roller shaft 13. The opening clamping block is matched with the opening part on the water homogenizing roller shaft 13, so that the assembly and disassembly are convenient. In this embodiment, the water homogenizing roller 13 includes a middle main shaft and

end shafts

21 and 24 at both ends, and the middle main shaft is connected to the end shafts at both ends.

In the embodiment, the roller frame adjusting transmission device comprises a swing rod 3, the swing rod 3 is hinged to a water homogenizing roller frame 19, a long hole 31 is formed in the swing rod 3, the long hole 31 is hinged to a water body wall plate 8, an adjusting screw rod 4 is further arranged on the water body wall plate 8, and the adjusting screw rod 4 is in transmission connection with the swing rod 3. The swing rod 3 can be adjusted to swing on the water body wallboard 8 through the adjusting screw rod 4, so that the water homogenizing roller frame 19 can be driven to rotate and adjust on the water body wallboard 8, and the pressure between the water homogenizing roller 25 installed on the water homogenizing roller frame 19 and the dampening roller can be adjusted. The hinged part of the swing link 3 on the water body wall plate 8 through the long hole 31 can swing (i.e. rotate back and forth) and can move relatively along the long hole 31. The space layout is reasonable, and the adjustment can be carried out in narrow space. The swing rod 3 is provided with a rotating pin 5 with a screw hole, the screw hole on the rotating pin 5 is in transmission connection with an adjusting screw rod 4, the adjusting screw rod 4 is connected to a water body wallboard 8 through a clamping block 6, and a clamping block support is arranged on the water body wallboard and is used for connecting the clamping block.

Claims

1. Even water mechanism of offset printing equipment, including water wallboard (8), its characterized in that: articulated on water wallboard (8) have even water roller frame (19), even water roller frame (19) are connected with roller frame adjusting transmission, even water roller frame (19) are gone up even water roller (13), be equipped with first bearing (30) on even water roller (13), even water roller (25) are connected on first bearing (30), still be equipped with drive gear (2) on even water roller (13), second bearing (32) have between drive gear and the even water roller, even water roller (25) are connected with drive gear (2), drive gear (2) are connected with dampening roller gear (1) transmission.

2. The water uniforming mechanism of an offset printing apparatus as claimed in claim 1, wherein: the water homogenizing roller frame (19) is provided with a copper sleeve (20) or a needle roller bearing, the water homogenizing roller shaft (13) is connected with the copper sleeve (20) or the needle roller bearing on the water homogenizing roller frame (19), the water homogenizing roller shaft (13) is connected with an axial float transmission device, the axial float transmission device is in transmission connection with the input gear (9), the axial float transmission device comprises a worm gear box gear (10), the worm gear box gear (10) is in transmission connection with the input gear (9), the worm gear box gear (10) is in transmission connection with the worm (18), the worm (18) is in transmission connection with the worm wheel (16), and the worm wheel (16) is in transmission connection with the water homogenizing roller shaft (13).

3. The water uniforming mechanism of an offset printing apparatus as claimed in claim 2, wherein: the worm wheel (16) is in transmission connection with a worm wheel shaft (17), an eccentric transmission block (14) is arranged on the worm wheel shaft (17), the eccentric transmission block (14) is in transmission connection with a swing seat (11), the swing seat (11) is hinged on a transverse guide shaft, and the swing seat (11) is connected with a water homogenizing roller shaft (13).

4. The water uniforming mechanism of an offset printing apparatus as set forth in claim 3, wherein: the transverse guide shaft is connected to a water wall plate (8) or a worm gear case, an opening clamping block is arranged on the swing seat (11), an opening part is arranged on the water homogenizing roller shaft (13), and the opening part is matched with the opening clamping block.

5. The water uniforming mechanism of an offset printing apparatus as claimed in claim 1, wherein: the roller frame adjusting transmission device comprises a swing rod (3), the swing rod (3) is hinged to a water homogenizing roller frame (19), a long hole (31) is formed in the swing rod (3), the long hole (31) is hinged to a water body wallboard (8), an adjusting screw rod (4) is further arranged on the water body wallboard (8), and the adjusting screw rod (4) is in transmission connection with the swing rod (3).

6. The water uniforming mechanism of an offset printing apparatus as set forth in claim 5, wherein: the swing rod (3) is provided with a rotating pin (5) with a screw hole, the screw hole in the rotating pin (5) is in transmission connection with the adjusting screw rod (4), and the adjusting screw rod (4) is connected to the water body wallboard (8) through a clamping block.

7. Printing machine, including offset printing unit, its characterized in that: the offset printing unit includes the leveling mechanism of the offset printing apparatus as claimed in any one of claims 1 to 6.