JPH0630758Y2 - Paper magazine support device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a support device for a paper magazine containing roll-shaped paper.

[Conventional technology]

As shown in FIG. 5, the main body 1 of the printing and developing machine for the photographic light-sensitive material is shown.
A roll-shaped photographic light-sensitive material (hereinafter referred to as roll-shaped paper P) is pulled out from a paper feed unit 8 provided in the exposure unit 2 of
The paper P is cut into a certain length by the cutter device 3 provided in the drawing path, the paper piece P'is conveyed to the exposure position by the conveying device 4, and the paper piece P'printed and exposed by the exposure device 5 is In a photographic light-sensitive material printing and developing machine in which the paper piece P ′ is conveyed to the developing section 6 connected to the exposing section 2 and subjected to development processing, and the processed paper piece P ′ is taken out from the drying section 7 onto the main body of the printing and developing machine 1. The magazine M containing the roll-shaped paper P is detachably attached to the paper feeding unit.

FIG. 4 shows a conventional technique of a supporting device for removably attaching the magazine M to the paper feeding unit 8.

The supporting device cantilever-supports the support shaft 70 provided in the exposure unit 2, inserts a magazine M outside the support shaft 70, and after positioning the magazine M, an elastic member provided in the middle of the support shaft 70. The body 71 is expanded, and the outer periphery of the elastic body 71 is pressed against the inner peripheral surface of the cylindrical body 72 fitted to the outside of the support shaft 70 to fix the magazine M.

[Problems to be solved by the device]

By the way, in the above supporting device, since the magazine outer box 73 and the paper reel 74 supporting the roll-shaped paper P are supported by the cylindrical body 72 fitted to the outside of the support shaft 70, the roll-shaped paper P The support shaft 70 is bent by the weight, and the outer magazine box 73 is bent by the bending.
When the paper P is pulled out from the reel 74, the paper P tilts with respect to the paper guide surface in the front of the magazine, and the paper P meanders when the paper P is transported.

Further, since the end face of the cylindrical body 72 is pressed against the mounting surface of the support shaft 70 to position one side of the magazine M, the magazine M
May be displaced to the other side, and due to the displacement, the paper P is displaced left and right with respect to the paper guide path, and the paper P cannot be accurately delivered.

Therefore, the present invention solves the above-mentioned inconvenience, and provides a paper magazine supporting device capable of accurately delivering paper without meandering and without lateral deviation from the paper guide path. This is a technical issue.

[Means for Solving the Problems]

In order to solve the above problems, in the present invention, a magazine is detachably attached to the outside of a cantilevered support shaft, and the magazine is attached to the magazine outer box having a paper outlet and the outside of the support shaft. A cylinder body that can be fitted and whose both ends are supported by holes formed in both side plates of the magazine outer case, a paper reel attached to the outside of the cylinder body, and movement of paper from the reel to the paper outlet. A paper guide mechanism for guiding is formed around the magazine outer box set outside the support shaft, and when the magazine outer box is rotated in one direction around the support shaft, A positioning member facing a part of the circumference is provided, and a plurality of pins are projectingly provided on the surface of the positioning member facing the magazine outer box, and a pin hole into which the pin is fitted is formed in the magazine outer box. Pin fit Oite is had adopted a structure in which a attracting mechanism draw toward the positioning member to the magazine outer box around the magazine outer box.

[Action]

In the supporting device having the above structure, the magazine is fitted on the outer side of the support shaft, and the pin hole is fitted on the outer side of the pin by rotating the magazine outer box about the support shaft in one direction to axially move the support shaft. To prevent the magazine outer box from moving, and to prevent the magazine outer box from tilting in the axial direction of the support shaft,
Thereby, the pulling mechanism is operated to pull the outer magazine box toward the positioning member and prevent the outer magazine box from rotating in the other direction around the support shaft.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS.

Now, taking as an example a supporting device for a paper magazine of a photographic light-sensitive material printing and developing machine, the supporting shaft 10 provided in the exposure section 2 of the main body of the printing and development machine shown in FIG. 5 is fixed in the exposure section 2. It is cantilevered by the bracket 11.

The magazine 12 set on the outer side of the support shaft 10 has a magazine outer box 13, and both side plates 1 of the magazine outer box 13
A hole 15 is formed in 4 and both ends of the cylindrical body 16 are supported by the hole 15.

As shown in FIG. 3, the outer magazine box 13 is divided into two by a dividing line 17 passing through the center of the hole 15, and the dividing boxes 13 'and 13 "are openably and closably connected by a hinge 18. It is held in the closed state by the omitted fastener.

A cylindrical reel shaft 21 provided at the center of the reel 20 is fitted on the outer side of the cylindrical body 16, and a roll-shaped paper P is supported by the reel 20.

The roll-shaped paper P supported by the reel 20 is drawn out onto a paper guide mechanism 22 provided on the upper inside of the magazine outer box 13, and passes through a paper outlet 24 formed on the front plate 23 of the magazine outer box 13. It is pulled out.

Here, the paper guide mechanism 22 is composed of a guide shaft 25 provided above the reel 20 and a guide plate 26 provided on the paper carry-out side of the guide shaft 25. A pair of flanges 27 for guiding both side edges are provided, and a side guide 28 for guiding both side edges of the paper P is provided on the upper surface of the guide plate 26.

Around the magazine 12 set outside the support shaft 10, a positioning member 29 is provided so that the upper part of the front plate 23 of the magazine outer box 13 faces when the magazine 12 is rotated in one direction around the support shaft 10. Has been.

The positioning member 29 is provided with a plurality of pins 30 projecting from a surface facing the front plate 23, and the pins 30 can be inserted into pin holes 31 formed in the front plate 23.

Magazine outer box 13 positioned by the pin 30
Are drawn toward the positioning member 29 by the drawing mechanism 40. The pulling mechanism 40 is a magazine outer box 13
The engaging piece 41 is provided on the upper outer periphery of the lever 43, and the rear end of the engaging claw 42 engageable with the engaging piece 41 is rotatably attached to the lower end of the lever 43 via the pin 44. The rotating shaft 45 fixed to the upper end portion is rotatably supported by a suitable fixing member, and the engaging claw 42 is engaged with the engaging piece 41 by the rotation of the rotating shaft 45, and the engaging piece 41 is used as the positioning member 29. I'm trying to pull it towards me.

Further, a pin 46 is provided at the lower end of the lever 43, and the pin 4
The posture of the engaging claw 42 that is disengaged by the engagement of 6 with the lower side of the engaging claw 42 is held constant.

The magazine outer box 13 pulled by the pulling mechanism 40 is stopped by the stopper mechanism 50.
The stopper mechanism 50 is provided with a protruding portion 51 on the lower surface of the magazine outer box 13 and engages the protruding portion 51 with the receiving portion 52 provided on the bottom surface of the exposure portion. However, the present invention is not limited to this, and the positioning member is not limited thereto. The outer magazine box 13 may be prevented from rotating by the contact between 29 and the upper part of the front plate of the outer magazine box 13.

Two guide plates 60 and 61 are vertically opposed to each other in front of the paper outlet 24 of the magazine outer box 13 set outside the support shaft 10, and the paper P drawn out from the outlet 24 is the above-mentioned two sheets. It is inserted between the guide plates 60 and 61.

The magazine supporting device shown in the embodiment has the above-described structure. When setting the magazine 12, the cylindrical body 16 of the magazine 12 is inserted from the free end of the supporting shaft 10 to the outside thereof, and the front surface of the magazine 12 on the inserting side is supported. The outer magazine box 13 is rotated in the direction of the arrow in FIG. 3 while being in contact with the flange 10 ′ at the end of the shaft 10, and the pin hole 31 is fitted to the outside of the pin 30. Then, the rotary shaft 45 is rotated in the direction of the arrow in FIG. 3, the engaging claws 42 are engaged with the engaging pieces 41, and the outer magazine box 13 reaches a position where the stopper mechanism 50 operates.
To the positioning member 29 side.

In the above attachment, the pin 30 is inserted into the pin hole 31, so that the pin 30 allows the magazine outer box 1 to be inserted.
3 is positioned in the axial direction of the support shaft 10 and is prevented from tilting in the axial direction of the support shaft 10. Further, the outer magazine box 13 is moved to the support shaft 10 by the operation of the pulling mechanism 40.
It is prevented that the magazine outer box 13 is rotated about its center, and the magazine outer box 13 is positioned stably and with extremely high precision.

In this way, the magazine outer box 13 positioned with high accuracy
Since the cylindrical body 16 is supported by and the reel 20 is supported by the cylindrical body 16, it is possible to prevent the support shaft 10 from bending due to the weight of the paper P supported by the reel 20. If there is a gap between the cylindrical body 16 and the hole 15 and the support shaft 10 bends within the gap, the outer magazine box 13 is not affected, and the paper guide mechanism 22 and the magazine provided inside the outer magazine box 13 are not affected. 12 The straightness of the paper guide path outside can be maintained.

Therefore, it is possible to prevent the meandering and lateral displacement of the paper P drawn from the reel 20 to the outside of the magazine 12.

[Effect of device]

As described above, in the present invention, the magazine outer box is positioned in the axial direction of the support shaft by the engagement of the pin and the pin hole, and is prevented from tilting in the axial direction of the support shaft. Since the outer box is prevented from rotating around the support shaft, the magazine outer box can be attached very stably and accurately.
Therefore, it is possible to prevent meandering of the paper drawn out from the magazine outer box, and it is possible to accurately transfer the paper to the paper guide path outside the magazine without the lateral displacement of the paper.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view showing an embodiment of a magazine supporting device according to the present invention, FIG. 2 is a vertical sectional side view of the same, FIG. 3 is a front view showing a set state of the same magazine, and FIG. Is a sectional view showing a conventional magazine supporting device, and FIG. 5 is a schematic view of a photographic light-sensitive material printing and developing machine. 10 ... Support shaft, 12 ... Magazine, 14 ... Side plate, 15 ... Hole, 16 ... Cylindrical body, 20 ... Paper reel, 22 ... Paper guide mechanism, 29 ... Positioning member, 30 ... Pin, 31 ... pin hole, 40 ... pulling mechanism.

Claims (1)

[Scope of utility model registration request] 1. A magazine is detachably attached to the outside of a cantilevered support shaft, and the magazine can be fitted to a magazine outer box having a paper outlet on the outside of the support shaft. Formed by a cylinder supported by holes formed on both side plates of the magazine outer box, a paper reel attached to the outside of the cylinder, and a paper guide mechanism for guiding the movement of paper from the reel to the paper outlet. A positioning member is provided around the magazine outer box set outside the support shaft so as to face a part of the outer circumference of the magazine when the magazine outer box is rotated in one direction around the support shaft. , A plurality of pins are provided on the surface of the positioning member facing the magazine outer box, and a pin hole into which the pin is fitted is formed in the magazine outer box, and the pin is fitted in the pin hole. The positioning member Support device paper magazine, characterized in that a attracting mechanism draw toward the periphery of the magazine outer box.