JPH0734716Y2 - Writing implement exchange device for plotter - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a writing instrument exchange of a plotter for handing a writing instrument to and from a pen holder that holds the writing instrument when drawing and a pen holder that holds the writing instrument when not in use. It relates to the device.

[Prior Art] Generally, in a plotter for drawing, as shown in FIG. 6, a sheet 2 is placed on the upper surface of a drawing bed 1, and the pen 3 is fixed while moving the sheet 2 in the direction of the arrow shown. Drawing is performed by moving the pen carriage 4 so as to be orthogonal to the moving direction of the paper 2, or as shown in FIG. 7, the drawing carriage 5 is moved to the left and right along the surface of the drawing bed 5. A Y-axis rail 6 that moves is provided, and a pen carriage 7 that moves back and forth along the Y-axis rail 6 is provided on the Y-axis rail 6, and a pen 8 is attached to the pen carriage 7. 6 and the pen carriage 7 are respectively moved to move the drawing bed 5
Drawing is performed on the paper 9 arranged above. Then, in the recess 10 of the plotter shown in FIG.
A carousel 11 for holding a plurality of pens 3 as shown in the drawing is housed, and the pens 3 can be exchanged with the pen carriage 4. Further, a pen stocker 12 capable of holding a plurality of pens 8 is provided on the end side of the plotting bed 5 of the plotter shown in FIG. 7, and the pens 8 can be exchanged with the pen carriage 7. You can do it. This will be described in more detail. The pen carriages 4, 7 and the carousel 11, pen stocker 12 each have a holder portion 14a or a holder portion 14a having a claw portion 13a or 13b extending forward in a relative rolling state, as shown in FIG. 14b is provided, by elastically sandwiching the body portion of the pen 3, 8 with the claw portions 13a, 13b,
The pens 3 and 8 can be fixed. Then, when the pen 3 is held by one holder part, for example, the holder part 14b, and the holder part 14a is pressed against the holder part 14b in that state, the claw parts 13a of the holder part 14a push the both claws 13b of the holder part 14b. The pen 3 is slid between the claw portion 13b and the pen 3 so that the pen 3 is held and received. Further, when the holder portion 14a that has received the pen 3 is pressed against the holder portion 14b that has passed the pen 3, the holder portion 14b receives the pen 3 and the holder portion 14b returns to the original state in which the pen 3 is clamped and fixed, This operation is repeated by pressing both holder portions 14a and 14b against each other.

[Problems to be Solved by the Invention] However, in the above-described holder part, when the pen is transferred from one holder part to the other holder part, the pen part is affected by a difference in frictional force between the claw part and the pen part. However, there is a problem that the pen holding position is deviated and the pen is dropped.

The present invention has been made in view of such circumstances, and an object thereof is to provide a writing instrument exchanging device for a plotter capable of reliably delivering a writing instrument between facing pen holders.

[Means for Solving the Problems] In order to achieve the above object, the writing instrument exchanging device for a plotter according to the present invention is a pen holder in a relative holding state in which a writing instrument is elastically sandwiched by two claws protruding forward. , Holding the writing instrument in one pen holder and pressing the front side of this pen holder and the front side of the other pen holder in this state, the claws of the other pen holder are between the inside of the claw of the one pen holder and the outer peripheral surface of the writing instrument. In a writing instrument exchanging device for a plotter in which the other pen holder receives the writing instrument that is inserted into and held by the one pen holder, in at least one of the pen holders, at least one of the pen holders has a root side portion of two claws. The spring body is installed so that it can be flipped back and forth in the forward and backward directions. When a pressing portion is provided on the front side surface of the body, and the one pen holder holds the writing instrument, the spring body warps backward and the pressing portion retracts along the surface of the writing instrument, and the other pen holder. When the tips of the two claws of one pen holder are pushed apart by the claws, the spring body reverses and warps forward, and the pressing portion pushes out the writing instrument to the other pen holder side. .

[Operation] That is, in the writing instrument exchanging device for a plotter according to the present invention, a reversible spring body is provided so as to bridge over the root side portions of the two claws of at least one of the pen holders in the relative holding state. At the same time, a pressing portion is provided on the front side surface of the spring body so as to push the writing instrument forward when the spring body is reversed. Therefore, when the pen is transferred from the pen holder provided with the spring body and the pressing portion to another pen holder, the spring body is reversed and the pen moves by being pushed into the other pen holder by the pressing portion. . as a result,
Reliable pen delivery will be performed. Furthermore, by providing the spring body and the pressing portion on both pen holders, mutual pen exchange between both pen holders can be reliably performed.

Next, this invention will be described in detail based on embodiments.

[Embodiment] FIGS. 1 and 2 show a holder portion 30 of a pen carriage used in an embodiment of the present invention. That is, in the figure, 15 is the main body of the holder portion 30, the rear end portion 16 is formed in a rectangular frame shape, one side surface portion of the rear end portion 16 is extended forward, and the other side surface portion. Is extended to the front in a state of being set to be slightly shorter than the one side surface portion. A notch recess 17 is provided in the center of the other side surface on the tip side, and a slide groove 18 extending forward and backward is provided at the center of the inner surface of the one side surface facing the notch recess 17. Reference numeral 19 is an engaging groove provided on the upper side of the cutout recess 17 and the slide groove 18, and is provided in a curved shape from the inner surface of one side surface portion to the inner surface of the other side surface portion. Reference numeral 20 denotes a guide piece that is vertically provided in the center portion on the front side in the frame-shaped rear end portion 16, and has a guide hole 21 in the center. Also, 22 is
It is a lever-shaped claw portion arranged so that the front end side is located in the notch concave portion 17 of the main body 15 and the rear end side is located in the rear end portion 16 of the main body 15, and is rotatable by the pin 23. Body 15
It is attached to the other side surface part. And this claw 22
A leaf spring 24 is attached between the rear end portion and the one side surface side of the rear end portion 16 of the main body 15 so as to be reversible in the front-rear direction.
At the center of the front surface of the leaf spring 24, a rod-shaped pressing portion 25 is provided so as to project. The pressing portion 25 is inserted through the guide hole 21 of the guide piece 20 and is moved back and forth by reversing the leaf spring 24. A spring (not shown) is connected to the rear end of the claw portion 22, and the tip side of the claw portion 22 is biased toward the slide groove 18 by this spring. Further, the claw portion 26 of the holder portion (see FIG. 3) 29 which faces the holder portion 30 slides into the slide groove 18, and the engagement groove 19 is inserted into the flange of the pen. The part (see FIG. 8) 27 is adapted to be engaged.

With this configuration, the delivery state of the pen 3 when the holder portion 30 is attached to the plotter shown in FIG. 6 will be described with reference to FIGS. 3 to 5. First, the holder part
The pen carriage 4 is attached to the pen carriage 4 from the holder portion 29 of the carousel 11 so as to be sandwiched between the side surface 30 and the claw portion 22.
(In this case, the pen 3 is received by the same method as the conventional example shown in FIG. 9), and the pen carriage 4 is moved in that state to perform drawing. Then, when drawing is completed, the pen carriage 4 is moved to the carousel 11
Then, the holder portion 30 of the pen carriage 4 is pressed against the holder portion 29 of the carousel 11 as shown in FIG. As a result, the claw portion 26 of the holder portion 29 slides into the slide groove 18 of the holder portion 30, and the other claw portion 28 of the holder portion 29 slides into the claw portion 22 of the holder portion 30.
Slide between the pen and the pen 3, and hold the claws 26 and 28 of the holder 29.
Comes to hold the pen 3 (see FIG. 5). At that time, the tip end of the claw portion 22 of the holder portion 30 moves so as to move away from the one side surface portion of the main body 15, and the gap between the two is widened. As a result, the leaf spring 24 is reversed and warped forward, so that the pressing portion 25 pushes the pen 3 toward the holder portion 29 side. As a result, the pen 3 is reliably delivered to the holder portion 29. Next, attach the pen carriage 4 to the carousel 11
When the pen 3 is released, the delivery of the pen 3 to the carousel 11 is completed.

As described above, in the writing instrument exchanging device for the plotter according to the present invention, the leaf spring 24 is provided at the rear end portion of the holder portion 30, and when the tip end portion of the claw portion 22 moves away from the one side surface portion of the main body 15. The leaf spring 24 is adapted to be reversed from the rear to the front, and a pressing portion 25 capable of pushing out the pen 3 forward is provided on the front surface of the leaf spring 24. Therefore, from the pen carriage 4 to the carousel 11
When the pen 3 is delivered to the car, the pen 3 is pushed into the holder portion 29 of the carousel 11 by the elastic force of the leaf spring 24, and the pen 3 can be delivered to the carousel 11 reliably.

Although the leaf spring 24 and the pressing portion 25 are provided only in the holder portion 30 of the pen carriage 4 in the above embodiment, the present invention is not limited to this, and the holder portion 29 of the carousel 11 is not limited to this.
It may also be provided. This ensures that not only the pen 3 can be delivered from the pen carriage 4 to the carousel 11, but also the pen 3 can be delivered from the carousel 11 to the pen carriage 4. Needless to say, the holder 30 can be used not only for the plotter shown in FIG. 6 but also for the plotter shown in FIG.

[Advantages of the Invention] As described above, since the present invention is configured, it is possible to reliably deliver the writing instrument between the pen holders of the plotter which are in the relative projecting state. This makes it possible to prevent the writing instrument from dropping when the writing instrument is exchanged, which has a great practical effect.

[Brief description of drawings]

FIG. 1 is a perspective view showing a holder portion of a pen carriage used in an embodiment of the present invention, FIG. 2 is a cross-sectional view thereof, and FIGS. 3, 4, and 5 show the holder portion of the pen carriage. Transverse sectional view for explaining the state of delivering the pen to the holder part of the carousel, FIGS. 6 and 7 are perspective views of the plotter, FIG. 8 is a perspective view of the carousel, and FIG. 9 is the delivery state of the pen according to the conventional example. It is an explanatory view explaining. 3 ... Pen, 22, 26, 28 ... Claw, 24 ... Leaf spring, 25 ...
Pressing part, 29,30 …… Holder part

Claims (1)

[Scope of utility model registration request] 1. A pen holder in a relative state in which a writing tool is elastically sandwiched by two claws projecting forward, one of the pen holders holds the writing tool, and in this state, the front side of the pen holder and the other pen holder. When the front sides of are pressed against each other, the claws of the other pen holder enter between the inner side of the claws of the one pen holder and the outer peripheral surface of the writing instrument, and the other pen holder receives the writing instrument held by the one pen holder. In a writing instrument exchanging device for a plotter, a spring body is provided so as to be reversible in the front-rear direction so that at least one of the pen holders is bridged over the root side portions of the two claws. When the pressing portion is provided on the front side surface of the spring body so that the pen holder on one side holds the writing instrument, When the spring body warps backward and the pressing portion retreats along the surface of the writing instrument, and the tips of both nails of one pen holder are pushed apart by the nails of the other pen holder, the spring body is inverted. A writing instrument exchanging device for a plotter, wherein the writing unit is bent forward and the pressing portion pushes out the writing instrument to the other pen holder side.