JPH0588991U - Recording device using a pencil pen - Google Patents

Abstract

(57) [Abstract] [Purpose] In a recording device using a pencil pen, surely remove the residual core in the pencil pen to be fed. [Structure] The body portion of the core lead rod has a diameter close to the inner diameter of the pencil pen, and its tip portion is formed to have the same diameter as the diameter of the thinnest pencil lead of the pencil lead to be used, and this tip portion Is chamfered so that it will not be damaged when it comes into contact with the O-ring in the pencil pen, and a lead guide member is provided in the pencil pen. Was configured to be pushed out of the pencil pen.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a recording device using a pencil pen, and a recording device using a lead brush pen of a type having a lead supply device for supplying a new pencil lead when the pencil lead of the pencil pen involved in recording is exhausted. In particular, the present invention relates to a core removing mechanism for removing an unnecessary core held by a pencil pen for core supply.

[0002]

[Prior Art]

 As a recording apparatus of this kind, there is Japanese Patent Application No. 3-2111620 “Recording apparatus using pencil pen” (hereinafter referred to as prior application) filed by the present applicant on July 29, 1991. In the prior application, as shown in FIG. 4, the core removing mechanism for removing the unnecessary core can be moved up and down by the core feeding carriage 2 which holds the pencil pen 3 and performs the core feeding operation, and the actuator (not shown). The core removal rod 8 configured as described above and the core removal unit 8 that holds the unnecessary core 71 pushed out from the pencil pen 3 are used. The pencil pen 3 having 71 is held, the pencil pen 3 is positioned at a core discharge position which is directly below the extension straight line of the core discharge rod 11, and the core discharge rod 11 is lowered by an actuator to refill the top end of the pencil pen 3. Insert it from the mouth 34, push the waste lead rod 11 to the unnecessary lead 71 in the pencil pen 3 to push it out of the pencil pen 3 (FIG. 4-), and push the unnecessary lead 71 to just above the O-ring 33. The core removal rod 8 is moved up to remove the core removal part 8 While the unnecessary lead 71 is sandwiched, the feeder cartridge 2 is raised by the actuator (FIG. 4), the unnecessary lead 71 is taken out of the pencil pen 3, and the feeder carriage 2 is moved a little to move the pencil pen 2. The unnecessary core 71 is pushed into the discharge core removing unit 8 at the tip of No. 3 to remove the unnecessary core 71 (FIG. 4).

[0003]

[Problems to be solved by the device]

 However, the following points remain to be improved in this core discharge mechanism. That is, after the core removing operation has been performed once, the removed unnecessary core 71 remains held in the core removing section 8, and the pencil pen 3 holds the core removing operation for the second and subsequent core removing operations. It is necessary to push out the unnecessary lead of the core removal portion 8 with the unnecessary lead. For example, if the end of the unnecessary lead is missing, it becomes impossible to push out the lead with the unnecessary lead as shown in FIG. There was a problem. In addition, when the pencil lead used is a very thin lead, a high degree of accuracy is required to act the pencil lead directly above the unnecessary lead.

[0004]

[Means for Solving the Problems]

 In order to solve the above problems, in the recording apparatus of the present invention, the main body portion and the front end portion of the core lead rod have different diameters, that is, the main body portion has a diameter close to the inner diameter of the pencil pen. The tip part should be formed with the same diameter as the thinnest pencil lead used, and the tip part should be chamfered so as not to damage it when it comes into contact with the O-ring in the pencil pen. In addition, a lead guide member was provided in the pencil pen, and this core ejector rod was pushed into the pencil pen to push out the unnecessary lead to the outside of the pencil pen.

[0005]

[Action]

 In the recording apparatus configured as described above, the lead brush pen for which the recording operation cannot be continued is held by the lead carriage, and the pencil pen holding the unnecessary lead is positioned at the lead-out position. The discharge core rod is pushed into the pencil pen to make contact with the unnecessary lead, and is further pushed to discharge the unnecessary lead to the outside of the pencil pen.

[0006]

【Example】

 Hereinafter, a recording apparatus using the pencil pen of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a main configuration of this recording apparatus including a pencil lead supply device and a core discharge mechanism, and FIGS. 2 and 3 are explanatory views showing an operation of a core discharge mechanism for removing unnecessary core of this apparatus. Is. In FIG. 1, reference numeral 1 denotes a core removing mechanism for removing unnecessary cores held by a pencil pen to be core-filled, and 2 is a core-holding operation for holding the pencil pen to be core-filled or positioned at a core-filling or core-filling position or discharging. A lead feeding carriage for performing a lead operation, 3 a pencil pen for holding a pencil lead for recording, 4 a pen storage unit for storing a plurality of pencil pens, and 5 a plurality of pencil pens capable of storing a plurality of pencil leads. A lead storage unit having a plurality of lead storage containers configured to feed one pencil lead out of the lead and supply the lead to the pencil pen, and 6 is a pen for holding the pencil pen and performing desired recording. It is a block.

First, the outline of the operation and the configuration of the apparatus of this embodiment will be described with reference to FIG. When the pencil lead of the pencil pen 3 for recording held in the pen block 6 becomes unusable due to wear, the pencil pen 3 is stored in the pen storage unit 4 and rotated by a predetermined amount by the motor 41. The pencil pen 3 is held by the core holder 21 of the core carriage 2. In the core feeding carriage 2 holding the pencil pen 3, first, in order to remove the unnecessary lead 71 held by the pencil pen 3, the lead inlet 34 of the pencil pen 3 is attached to the core ejecting rod 11 of the core ejecting mechanism 1. Move on the rail so that it is right below (core removal position). After the pencil pen 3 and the core lead rod 11 are located on the same straight line, the core lead rod 11 is lowered by an actuator (not shown) to be inserted into the pencil pen 3, and the tip of the core lead rod 11 is placed inside the pencil lead 3. The unnecessary lead 71 is pushed out of the pencil pen 3 to remove it, and then the lead-out rod 11 is raised to the original position to complete the lead-out operation. Next, the pencil pen 3 after the removal of the unnecessary lead is positioned at the lead position. A wick storage unit 5 having a plurality of wick storage containers is provided at this feeding position. In this embodiment, the lead storage unit 5 slidably holds four lead storage containers (51 to 54) each holding a plurality of pencil leads of different thicknesses. Therefore, when the core feeding carriage 2 moves while holding the pencil pen 3 to be cored and reaches the core position, the core storing container (51 ~ 54). At this stage, the feeding operation is started. The core holder 21 is moved up and down by an actuator (not shown) provided in the core carriage 2. Therefore, the pencil pen 3 held by the lead holder 21 moves up and down to slide the corresponding lead storage containers (51 to 54) up and down. Each of the lead storage containers (51 to 54) is slid up and down so that the built-in lead chuck mechanism performs a gripping and releasing operation. Therefore, a plurality of vertical movements of the actuator described above causes the lead storage containers (51 to 54) to slide through the pencil pen 3 to be cored, and the pencil lead held by this is extended to this pencil pen 3. Supply. FIG. 3 shows a cross-sectional view of the lead storage container and the pencil pen showing the feeding operation.

Next, the operation of the core discharging mechanism 1 will be described in detail with reference to FIG. The pencil pen 3 used in the apparatus of the embodiment of the present invention guides the pencil lead to the lead passage 311 formed in the central portion of the pencil pen 3 as shown in FIG. A so-called cartridge type pencil pen configured to hold this pencil lead is called. The pencil pen 3 includes a case member 31, a core guide member 32, an O ring 33, a core opening 34, and a cartridge bush 35. The core guide member 32, an O ring 33, and a cartridge bush 35 are provided with a core passage. 311 is formed. Further, the core ejecting mechanism 1 is formed by a core ejecting rod 11, a spring 12, a sensor 13, and a core ejecting rod driving actuator (not shown), and the core ejecting rod 11 is formed with a diameter close to the inner diameter of the pencil pen. The main body 111 and a tip 112 formed with a diameter close to the diameter of the thinnest pencil lead of a plurality of types of pencil leads used.

As for the core-removing operation, first, the core-removing rod 11 is inserted into the pencil pen 3 positioned at the core-removing position by lowering the core-removing rod 11 from the core-feeding port 34 by an actuator, and the leading end 112 thereof is unnecessary. Abut on the core 71. Further, it is lowered to guide the tip portion 112 to the core passage 311, and the discharge core rod 11 is lowered until the lower end surface of the tip portion 112 reaches the tip of the cartridge bush 35. As a result, the unnecessary lead 71 is discharged to the outside of the pencil pen 3 (FIG. 2). Further, the lower end surface of the tip end portion 112 of the exhaust core rod 11 is chamfered as shown in the enlarged view of FIG. 2, and before the exhaust core rod 11 comes into contact with the O-ring 33, the core guide member material. Since the core discharge rod 11 is reliably guided to the central portion of the pencil pen 3 by 35, when the tip 112 of the core discharge rod 11 passes the O-ring 33 during core discharge operation, This O-ring 33 is not damaged.

Further, in the core ejecting mechanism 1, when the tip 112 of the core ejecting rod 11 and the pencil lead 7 are clogged in the pencil pen, the sensor 13 attached to the core ejecting mechanism as shown in FIG. Abnormality is detected by detecting the upper end of the core discharge rod 11, and if the core discharge operation is interrupted and the user of the apparatus is informed by an alarm or the like, damage to the apparatus such as a pencil pen is prevented. I can do things. In the present embodiment, the core lead rod is configured to be moved up and down by the actuator, but the core lead rod may be fixed and the pencil pen may be moved up and down to lead the core. Further, in the apparatus of the above embodiment, the sensor 13 attached to the core removing mechanism 1 is configured to detect the abnormal condition by detecting the upper end portion of the core removing rod 11. However, in the case where a trouble as shown in FIG. Alternatively, it may be configured to detect an overload on a motor (not shown) for vertically moving the core discharge rod provided in the core discharge mechanism 1 to detect the abnormal core discharge operation.

[0011]

[Effect of the device]

 As described above in detail, according to the present invention, even if a thin lead is used, the unnecessary lead can be reliably removed, and even if a trouble such as a lead clogging occurs, it can be detected. Since it can be done, the device is not damaged.

[Brief description of drawings]

FIG. 1 is a perspective view of a feeding / discharging device in the device of the present invention.

FIG. 2 is an explanatory view of a core discharging mechanism in the device of the present invention.

FIG. 3 is an explanatory view of a core feeding mechanism in the device of the present invention.

FIG. 4 is an explanatory diagram of a core discharging mechanism in a conventional device.

FIG. 5 is a diagram illustrating a problem that occurs in a conventional device.

[Explanation of symbols]

 1 core discharge mechanism 2 core feeding carriage 3 pencil pen 4 pen storage section 5 core storage section 6 pen block 7 pencil core

Claims (3)

[Scope of utility model registration request] 1. A pen storage unit for storing a plurality of pencil pens, a lead storage unit configured to store a plurality of pencil leads and to be fed to a pencil pen to be fed, and a pencil pen to be fed. In a recording device using a pencil pen, which has a core removing mechanism for removing unnecessary cores held by, the core discharging mechanism has a diameter of the thinnest pencil core among a plurality of pencil cores having a diameter of a tip portion. A chamfering treatment is applied to the end face that is configured to have the same diameter as that of the pencil lead and the diameter of the main body part is the same as the inner diameter of the pencil pen, and the core lead rod is inserted into the pencil pen. It is configured to drive the unnecessary lead to the outside of the pencil pen by acting on the unnecessary lead held by the pencil pen that has become unable to continue the recording operation due to consumption. Recording device using a characteristic pencil pen. 2. In the core ejecting mechanism, when a force larger than a predetermined force is applied to the core ejecting rod, the core ejecting rod is configured to be movable relative to the driving means, and the end of the core ejecting rod is moved. 2. The recording apparatus using a pencil pen according to claim 1, further comprising: a determining unit that detects whether or not a relative movement has been performed by a reading sensor and determines whether or not a normal core removing operation is performed. 3. In the core ejecting mechanism, when the drive means is formed of a motor and a force larger than a predetermined force is applied to the core ejecting rod, and the load applied to the motor of the drive means becomes larger than a predetermined magnitude, 2. The recording apparatus using a pencil pen according to claim 1, further comprising a determining unit for determining that the core ejecting operation of the core ejecting mechanism is not normal.