JPH0732045Y2 - Bearer wiper - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to a bearer wiper for cleaning and refueling bearers of various cylinders of a printing machine, and more specifically, an oil sump tank for storing oil for refueling. Related to.

<Prior Art> On both sides of the plate cylinder, the blanket cylinder, and the impression cylinder in the printing machine, bearers serving as reference surfaces are provided. In FIG. 6 showing an example of a blanket cylinder and a plate cylinder in a printing machine, 1 is a blanket cylinder, 2 is a plate cylinder, and 1a and 2a are bearers provided on both sides of the cylinders 1 and 2, respectively.

During operation of the printing machine, the bearers 1a and 2a always contact and rotate. Therefore, in order to keep the center distances of the trunks 1 and 2 proper and to ensure smooth rotation, a bearer wiper for cleaning the surfaces of the bearers 1a and 2a and supplying oil to the surfaces of the bearers 1a and 2a is provided.

As shown in FIG. 7, the conventional bearer wiper has a structure in which the felt 3 soaked with oil is held by a frame 4 and the tip of the felt 3 is pressed against the surface of the bearer 1a (2a).
When the oil runs out, the oil is replenished from the oil supply port 5 on the rear surface of the frame.

<Problems to be Solved by the Invention> However, in the conventional bearer wiper having the above-described configuration, since the felt 3 is directly refueled, the amount of oil stored is small,
There was a problem of frequent refueling.

Immediately after refueling, the amount of refueling for the bearer 1a (2a) was large, and the amount of refueling decreased over time, and the amount of refueling was not constant.

<Means for Solving the Problems> In order to solve the above problems, in the present invention, a case for holding a felt that is pressed against the bearer surface of the cylinder of the printing machine is provided with an oil sump tank that is partitioned from the felt.
The bearer wiper was constructed by connecting the inside of the oil sump tank and the felt with an oil permeation material.

<Operation> In this bearer wiper, the oil in the oil sump tank is sent to the felt through the penetrant and is fed from the felt to the bearer surface. Since the oil is stored in the oil storage tank that is separated from the felt, stable oil supply is ensured for a long time.

<Embodiment> FIGS. 1 (A), (B), and (C) respectively show a plane, a cross section along a side surface, and a back surface of a bearer wiper according to an embodiment of the present invention, and FIG. The enlargement of part II in (B) is shown. Further, FIG. 3 shows a state in which the bearer wiper is attached to the body.

In FIGS. 1 (A), (B), and (C), 11 is a rectangular case, which is composed of left and right side plates 11a and 11b, and an upper plate 11c and a lower plate 11d that connect the front upper parts to each other and the lower parts to each other. There is. A claw plate 12 is provided in the left-right direction on the front edge of the upper plate 11c (which may be the lower surface) of the case 11. On the upper plate 11c,
A notch 13 is provided from the lower side of the claw plate 12 to the middle in the front-rear direction. Insert the tip into Case 11
The felt 14 is housed and held so as to project from the front end.

An oil sump tank 15 having a rectangular cross section is provided between the left and right side plates 11a and 11b in the rear part of the case 11. A gap 16 is secured between the front edge of the upper surface 15a of the oil sump tank 15 and the rear edge of the case upper plate 11c. Oil sump tank 15
A notch 17 for inserting a felt is formed in the upper corner of the rear part, and a fuel filler port 18 is opened in the center of the rear surface in the width direction.

The oil sump tank 15 is filled with oil 19 for bearer lubrication. One end of the belt-shaped felt 20 for sending oil is notched 17
It is inserted into the oil sump tank 15 through and is immersed in the oil 19, and the other end is extended to the back surface of the felt 14 through the gap 16 and brought into close contact with the felt 14. Therefore, the oil 19 in the oil sump tank 15 permeates into the felt 19 through the felt 20 for oil transfer due to the capillary phenomenon.

On the other hand, as shown in FIG. 3, the bracket 21 on the frame side of the printing machine is provided with a holding mechanism 22 for holding the bearer wiper on the bearer of each cylinder. In FIG. 3, 1,1 'are upper and lower blanket cylinders, 2,2' are upper and lower plate cylinders, and 1a, 1a ', 2a, 2a' are bearers of the respective cylinders.

Reference numeral 23 denotes a support member provided on the bracket 21 so as to be close to each bearer, and two parallel guide support shafts 24 whose axial direction is directed to the trunk side are attached to the support member 23. The guide support shaft 24 has a hole 28 formed in the support plate 26 of the support bracket 27 consisting of a mounting plate 25 and a support plate 26 perpendicular to the mounting plate 25, and the support bracket 27 moves along the guide support shaft 24. It is free. Further, a spring 30 is interposed between a nut 29 provided at the end of the guide support shaft 24 and the support plate 26, and a spring force directed to the trunk side is always applied to the support bracket 27 by the spring 30. ing. A handle 31 used when the support bracket 27 is pulled back against the spring force is provided at the center of the back surface of the support plate 26.

At the tip of the mounting plate 25 of the support bracket 27, a claw plate 3 that can match the notch 13 provided in the upper plate 11c of the bearer wiper is provided.
Two are provided. Further, U-shaped frame pieces 33 for enclosing the oil reservoir tank 15 of the bearer wiper are attached to both sides of the rear portion of the attachment plate 25.

Attaching the bearer wiper to the holding mechanism 22 is shown in Fig. 4 (C).
As shown in FIG. 4, with the handle 31 held, the support bracket 27 is pulled rearward, and the bearer wiper is lifted vertically from below toward the mounting plate 25 (direction indicated by arrow a), as shown in FIG. 4 (B). As shown, the notch 13 of the case 11 and the claw plate 32 of the support bracket 27 are aligned with each other, and then the case 11 is pushed backward as indicated by an arrow b in FIG. This is done by pushing it into the frame portion 33 of the support bracket 27 and engaging the claw plate 12 of the case 11 with the claw plate 32 of the support bracket 27. After that, when the handle 31 is released, the support bracket 27 is moved to the trunk side by the spring force of the spring 30, and the tip of the felt 14 is pressed against the bearer 1a as shown in FIG. 4 (A).

The felt 14 contacting the bearer 1a cleans the surface of the bearer 1a and supplies oil to the surface of the bearer 1a. Oil 19 bearer
The amount lost on the 1a side is permeated and supplied from the oil sump tank 15 to the felt 14 through the felt 20 for oil transfer.
The amount of oil supplied to the surface becomes stable over a long period of time.

When the oil 19 in the oil sump tank 15 becomes low, oil is replenished from the oil supply port 18 of the oil sump tank 15.

The felt 14 is pressed against the surface of the bearer 1a by being urged by the spring force, so that the felt 14 is worn at any time.

The removal of the bearer wiper from the holding mechanism 22 may be carried out in the reverse order of the above-mentioned mounting procedure, that is, in the order shown in FIGS. 4 (A), (B) and (C). In the figure, arrow c indicates the direction in which the handle 31 is pulled, and arrow d indicates the direction in which the case 11 is removed.

The above described bearer wiper mounting state is for the bearers 1a, 1a 'of the upper and lower blanket cylinders 1, 1'and the bearer 2a' of the lower plate cylinder 2'in FIG. The mounting state for 2a is the reverse of the others. This is shown in FIG. When the case 11 and the holding mechanism 22 are attached,
Comes to the lower side, and the holding mechanism 22 is only turned in the opposite direction. Other structures and attachment / detachment procedures are shown in FIGS. 1 (A) (B) (C).
Is the same as that shown in.

Although felt is used as the oil permeation material in the above-described embodiments, fibers or other permeation materials may be used. Further, instead of bypassing the penetrant as in the above embodiment, a large number of minute holes are provided on the front surface of the oil sump tank 15 so that they are directly interposed between the front surface of the oil sump tank 15 and the rear surface of the felt 14. Is also possible.

<Effect of the Invention> According to the bearer wiper of the present invention, since the oil is stored in the oil sump tank, the amount of oil is increased and the number of times of refueling can be reduced. Further, the amount lost on the bearer side is supplied from the oil sump tank side, so that the amount of oil supplied to the bearer becomes constant.

[Brief description of drawings]

1 (A), (B), and (C) are a plan view, a cross-sectional view along a side surface, a rear view, and a second view of a bearer wiper according to an embodiment of the present invention.
The figure is an enlarged view of the II part in FIG. 1 (B), FIG. 3 is a side view in which the bearer wiper is attached to each body, and FIG. 4 (A).
(B) and (C) are explanatory views of the bearer wiper attachment / detachment, FIG. 5 is a cross-sectional view taken along the side surface in different attachment states, FIG. 6 is a front view showing the contact state of bearers, and FIG. 7 is a cross-section of a conventional bearer wiper. It is a figure. In the drawing, 1a, 1a ', 2a, 2a' are bearers, 11 are cases, 12 are claw plates, 13
Is a notch, 14 is a felt, 15 is an oil sump tank, 17 is a notch, 18 is a filler port, 20 is an oil feeding felt, and 22 is a holding mechanism.

Claims (1)

[Scope of utility model registration request] 1. A case for holding a felt to be pressed against a bearer surface of a cylinder of a printing machine is provided with an oil sump tank which is separated from the felt, and the inside of the oil sump tank and the felt are connected by an oil penetrant. A bearer wiper characterized by being present.