JPH0440913Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial field of application> The present invention relates to a Braille plate-making device, and more specifically, to provide a device that can conveniently draw original plates necessary for producing Braille sheets. be.

<Prior art> In conventional braille plate making machines of this kind, when punching holes in a braille original plate such as a metal zinc plate or a vinyl chloride plate, a ruler fixed on a table mount using a magnet is used. Because the original plate is pressed against the side while being moved by sliding, there is a fatal flaw in that if there is an error in the cutting around the original plate, the position of the stamped hole may be misaligned. Ta.

<Problems to be solved by the invention> The inventor of the present invention has conducted various research and devises in an attempt to improve the drawbacks of using the conventional Braille plate making machine mentioned above, and has found that it is possible to cut the original plate extremely accurately. Since it requires an expensive precision cutting device and is extremely uneconomical, we learned that the drawbacks of the above-mentioned conventional technology could be overcome by using a device that accurately moves the original sheet on a stand as an alternative. Based on this knowledge, we were able to complete the present invention.

<Means for Solving the Problems> That is, the present invention provides an embossing device that operates in conjunction with the operation of the petals on the table by means of an arbitrary power transmission means connected to the petals attached to the lower part of the table mount. A Braille plate-making machine equipped on a pedestal includes a horizontal slide shaft fixed at both ends parallel to the surface of the pedestal at the rear of the pedestal, an X-axis slide that engages with and slides on the horizontal slide shaft, and A support frame that connects a slide that runs on a rail that is fixed in parallel to the horizontal slide shaft at the front, a vertical slide shaft that is fixed parallel to this, and a Y that engages with and runs on the vertical slide shaft. A shaft slide and a brake are disposed on the Y-axis slide in the direction of the support base, and can be moved up and down by the rotating shaft at the rear end, can be bent upward at the middle part, and has a flat surface at the tip. An arm comprising a rotatable original plate fixture, a brake fixed to the lower surface of the pedestal and engaged with an X-axis slide brake shaft connected and supported by the support frame, and further detachable below the press mold. This is a Braille plate-making device that includes a push stand with a receiving mold installed therein.

<Example> Hereinafter, the present invention will be explained in detail based on the example shown in the drawings.

In FIG. 1, 1 is a table frame, 2 is a leg of the pedestal 1, and 3 is a frame for fixing these legs 2 at the bottom. Bearings 4 are fixed on the left and right frames 3, respectively. A rotating shaft 5 is provided between both bearings. Reference numeral 6 denotes a petal whose rear part is fixed to the rotating shaft 5 by a fixing screw 7 and whose front part is supported by a spring 8 suspended from the pedestal 1.

As shown in FIGS. 2 and 3, means for transmitting the motion of the petal 6 to the stamping device on the pedestal 1 include, for example, a sprocket 9 fixed to the rotating shaft 5 and a support plate attached below the pedestal 1. Sprocket 13 fixed to rotating shaft 12 supported by 10 and 11
A rotary lever 15 is connected with a chain 14 and then fixed upwardly to the end of the rotary shaft 12, and above the rotary lever 15, the support plates 10, 11 are connected.
A rotating lever 17 fixed downward is engaged with the end of a rotating shaft 16 attached to the rotating shaft 16, and a sprocket 18 fixed to a shaft concentric with this rotating lever 17 is engaged.
At the same time, the chain 19, one end of which is fixed at
The other end is connected and fixed to a spring 23 fixed to the embossing section holding arm 20.

Next, the embossing section 21, as shown in FIG.
A press shaft 25 supported by a pinion 74 fixed to the sprocket 22 and a concentric shaft and a rack 24 that meshes with the sprocket 22, an adjustment bolt 26 inserted into the press shaft 25 so as to be rotatable only, and the adjustment bolt. The adjustment handle 27 is fixed to the upper end of the adjustment bolt 26, the pressing mold fixing shaft 28 is movably connected to the lower end of the adjusting bolt 26 by a threaded portion 30, and the pressing mold 29 is provided at the tip thereof.
The pressing die 29 used in the present invention is always subjected to an upward force by the spring 23, but has a flange 32 on its outer periphery in order to have sufficient durability against the downward impact during stamping. It is preferable to provide a mold fixing shaft 28, which is inserted into the hole 33 at the lower end of the mold fixing shaft 28, and while pressing the collar 32 against the lower surface of the mold fixing shaft 28, it is completely fixed with the screw 31, and the mold is fixed. In order to prevent the press die fixing shaft 28 from rotating within the press die shaft 25 when the shaft 28 is moved up and down by the threaded portion 30, a key 34 is provided on the surface of the press die fixing shaft 28, and this is provided on the inner surface of the press die 25. It is preferable to fit into the key groove 35 and to be able to slide only in the vertical direction.

Next, as a means for holding and moving the original plate 36 on the pedestal 1, which is the main part of the present invention, first, at the rear of the pedestal 1, a horizontal slide shaft 37 is mounted parallel to the surface of the pedestal 1, with slide bearings at both ends thereof. 38,3
9 and fixedly provided. Note that if the horizontal slide shaft 37 extends outward from the pedestal 1,
One slide bearing 39 may be supported by the other end of a support arm 40 whose one end is fixed to the pedestal 1.

The horizontal slide shaft 37 is provided with an X-axis slide 41 that engages with and slides thereon. On the other hand, a rail 42 is fixedly provided on the front part of the pedestal 1 parallel to the surface of the pedestal 1 and the horizontal slide shaft 37, and at the same time a slide 43 is mounted on the rail 42 via a bearing. and the X-axis slide 41
are connected to each other by a support frame 44 and at least one vertical slide shaft 45 provided parallel thereto. This vertical slide shaft 45 can have various shapes, but among them, a round bar or a circular tube shape is preferable. A support arm 46 is provided outside the center of the support frame 44, and an X-axis slide brake shaft 47 whose tip extends downward to the bottom of the pedestal 1 is fixed and held by this arm 46.

Above the vertical slide shaft 45, the vertical slide shaft 4
5 is inserted inside to make it slidable. Y-axis slide 48
and a brake 49 is attached thereto.
In order to stabilize the running and holding of this Y-axis slide 48, it is preferable to provide two or more vertical slide shafts 45, but it is also important to adjust the contact pressure of the brake 49 to the slide shaft 45. It is.

An arm 51 is provided at the top of the Y-axis slide 48, as shown in FIG. This arm 51 is supported by a rotating shaft 50 at the rear end and is arranged to be vertically movable and extend in the direction of the pusher 52, and its tip portion can be bent upward by a rotating shaft 53 at the intermediate portion. In addition, the degree of inclination can be adjusted using an adjustment bolt 54. Furthermore, an original plate holder 56 is provided at the tip portion of the plate so that it can be rotated in a plane by a rotation knob 55, and a screw 57 is provided.
The original plate 36 is held by. Note that the arm 5
The reason why 1 is provided movably as in the above configuration is as follows.
This is to accommodate changes in the material thickness of the original plate 36.

As shown in FIG. 6, the tip of the X-axis slide brake shaft 47 is crossed and connected to a brake 59 fixed to the tip of a brake adjustment bolt 58 on the lower surface of the pedestal 1.

Furthermore, on the pedestal 1 below the press die 29, a press stand 52 of an arbitrary width is provided, and at the front of the press stand 52,
A receiving mold stand 61 with a groove 60 formed in the center is provided, and a receiving mold 62 is removably loaded into the groove 60.

On the other hand, an arcuate guider 63 is provided on the upper surface of the press base 52, if necessary, for stamping an arcuate shape on the original plate. In this case, for example, as shown in FIG. 7, a round hole or conical groove of an appropriate size is formed at the tip of a guide plate 65 horizontally fixed above the side surface of the sliding plate 64 at right angles to the sliding plate 64. Alternatively, one provided with a guide portion 66 formed with a conical protrusion or the like can be generally conveniently used. In this case, it is more preferable to provide a guide rail 67 for fixing the sliding plate 64 on one surface of the pedestal in parallel with the side surface of the pusher 52.

In order to adjust the amount of movement of the petal 6 when stamping an original plate using the device of the present invention, an adjustable device is provided on the frame 3 so that the tip of the petal 6 comes into contact with the top surface of the petal 6. the stopper 68 fixed on the other frame 3, and the stopper 72, which has an adjusting screw 70 attached to its tip so as to come into contact with a stopper receiving plate 69 fixed on the other frame 3, and is fixed to the rotating shaft 5 by a fixing screw 71. In addition, in order to adjust the stamping pressure of the press die 29 on the receiving die 62, the stamp amount, etc., the sprocket fixed bearing part 73 of the stamp part 21, supported by the pinion 74 and the rack 24 is used. The position of the press die 29 may be adjusted by rotating the adjustment handle 27 located above the press die shaft 25.

<Effects of the invention> Since the present invention has the above-mentioned configuration, it has the advantage of eliminating the drawbacks of the conventional method and making it possible to stamp holes at predetermined positions on the surface of the original plate extremely accurately and quickly. Of course, it also has new effects such as being able to accurately engrave on arcuate lines, which was not possible with conventional methods.
Not only can it be used for conventional Braille plate making, but it can also be used as an embossing surface.
It is a convenient device that can be widely applied to applications such as creating stamped drawings.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of an embodiment of the present invention, Fig. 2 is a front explanatory view showing the power transmission path for the operation of the petal, Fig. 3 is a side view of Fig. 2, and Fig. 4 is the stamping section 2.
5 is an enlarged perspective view of the arm 51, FIG. 6 is an enlarged perspective view of the brake 59, and FIG. 7 is an enlarged perspective view of the arc guider 63. Main symbols in the drawing: 1... mount, 6... petal,
9... Sprocket, 13... Sprocket, 1
4...Chain, 21...Emphasis section, 29...Press die, 37...Horizontal slide shaft, 41...X-axis slide, 42...Rail, 43...Slide, 44...
...Support frame, 45...Vertical slide shaft, 47...
...X-axis slide brake axis, 48...Y-axis slide, 49...brake, 50...rotation axis, 51...
...Arm, 52...Press stand, 53...Rotary shaft, 56
...Original plate fixture, 59...Brake, 62...Receptacle mold, 63...Circular guider.

Claims (1)

[Claims for Utility Model Registration] (1) There is a stamping device on the table pedestal that operates in conjunction with the operation of the petals by any power transmission means connected to the petals attached to the bottom of the table pedestal. In the Braille plate-making machine made by
A horizontal slide shaft 37 fixed at both ends parallel to the surface of the pedestal 1 at the upper rear part, an X-axis slide 41 that engages with and slides on this, and a horizontal slide shaft 37 mounted parallel to the lateral slide shaft 37 at the front of the pedestal 1. A support frame 44 that connects a slide 43 running on a fixed rail 42, a vertical slide shaft 45 fixed parallel to this, a Y-axis slide 48 that engages with and runs on the vertical slide shaft 45, and a brake. 49 is disposed on the Y-axis slide 48 in the direction of the press base 52, and is movable up and down with a rotating shaft 50 at the rear end, can be bent upward at the middle part, and has a planar rotation at the tip. an arm 51 having a possible original plate mount 56; and an
A Braille plate-making device characterized by comprising a brake 59 engaged with a shaft slide brake shaft 47, and a press stand 52 having a removable receiving die 62 disposed below the press die 29. (2) The Braille plate-making device according to claim 1, wherein the pusher 52 has an arcuate guider 63 on its surface that is movable in the front-rear direction. (3) The Braille plate-making device according to claim 1, wherein the vertical slide shaft 45 is composed of two parallel round shafts or circular tubes.