JPH062152U - Recorder - Google Patents

Abstract

(57) [Abstract] [Purpose] Easily replace the dot pen attached to the carriage only by pulling out the chart mount. In a recorder for recording the recording paper 6 by tilting the dot-driving pen 14 forward by the rotation of the support shaft 4, it meshes with a dot-driving gear 9 for transmitting the drive of a dot-driving motor 22 to the support shaft 4, and a chart stand. A gear train B that meshes with each other in eight directions is provided. Further, the chart rack 8 is provided with a rack gear 23 that meshes with the gear b3 at the lowermost end of the gear train B. The rack gear 23 does not mesh with the gear b3 when the measured value is recorded, but meshes when the chart frame 8 is pulled out from the frame 3 forward. The rack gear 23 meshing with the gear b3 drives the dot driving gear 9 through the gear train B and rotates the support shaft 4 to expose the tip of the dot pen 14 from the lower side of the scale plate 20 and the pointer 21. The point pen 14 is replaced in this state.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a recorder for replacing a cartridge type dot pen.

[0002]

[Prior art]

 As shown in FIG. 3 (a), a conventional recorder is provided with a rotary door 3a, 3a of a frame 3 which is housed inside a case 1 of the recorder having a front door 2 which can be opened and closed. A fulcrum-supported support shaft 4 is provided, and a carriage 5 that moves along the support shaft 4 is provided on the support shaft 4. Further, below the carriage 5, a chart drum 7 for running the recording paper 6 and a chart mount 8 for pivotally supporting the chart drum 7 are provided. A dot driving gear 9 for rotating the support shaft 4 in accordance with the rotation of a motor (not shown) is provided at one of left and right ends of the support shaft 4.

Further, the carriage 5 is provided with a support bracket 11 having a cam follower 10 at a rear portion thereof, and the support bracket 11 is axially supported on the carriage 5 by an inclined shaft 12 parallel to the support shaft 4. Has been done.

A transmission shaft 13 orthogonal to the inclined shaft 12 is axially supported by the support bracket 11, and a tip end of the transmission shaft 13 rotates about the transmission shaft 13 and has a plurality of outer circumferences. A substantially cylindrical cartridge type spotting pen (hereinafter referred to as a spotting pen) 14 provided with a spotting element 14a is detachably attached by a chuck mechanism 15 or the like, and a pin gear 16 is provided at a rear end of the transmission shaft 13. ing. The hitting pen 14 has ink built in for each dot 14a, and it is necessary to replace the hitting pen 14 when the ink runs out.

Further, a rotation transmitter 17 that transmits the rotation of the support shaft 4 to the support bracket 11 side is provided behind the carriage 5. A spiral cam 18 that rotates the transmission shaft 13 via the pin gear 16 and sends the dot elements 14a of the dot pen 14 one by one to the rotation transmitting element 17 as the support shaft 4 rotates, and the support bracket 11 described above. A position in which the dot pen 14a of the dot pen 14 abuts on the recording paper 6 with the cam follower 10 in the rear part abutting, and the supporting bracket 11 together with the supporting bracket 11 with the dot pen 14 as the fulcrum with the tilting shaft 12 as a fulcrum. A circumferential cam 19 that tilts forward is provided.

Further, in the front direction of the carriage 5 on the front side of the left and right side plates 3a, 3a of the frame 3, both ends of the scale plate 20 are vertically slidably engaged with the side plates 3a, 3a. It is provided in. The surface of the scale plate 20 is provided with a scale corresponding to the recording paper 6 on which trend recording is performed when the hitting pen 14 is tilted forward.

A pointer 21 indicating the scale provided on the surface of the scale plate 20 is provided at the tip of the carriage 5 so as to extend from the lower side of the scale plate 20. The pointer 21 is provided with an arm 21a extending rearward from the left and right, and the arm 21a is attached to the carriage 5 so as to be rotatable around its tip.

In the recording operation of the conventional recorder having the above-mentioned mechanism, first, the carriage 5 is moved along the support shaft 4 to the printing point position of the recording paper 6. Then, the spindle 4 is rotated once by driving a motor (not shown) to feed one dot 14a of the dot pen 14 via the spiral cam 18, and then the circumferential cam 19 tilts the dot pen 14 forward. In the meantime, the dot recording 14a is brought into contact with the recording paper 6 to record the trend of measured values.

Another conventional recorder in which the mechanism for recording the trend on the recording paper 6 has the same configuration as the conventional recorder shown in FIG. 3A will be described below.

In this recorder, as shown in FIG. 4A, an interval of a width H1 wider than the width H2 of the chuck mechanism 15 for attaching and detaching the dot pen 14 is provided in front of the dot pen 14. There is. This width H1 is provided by lengthening the front of the carriage 5 and fixing the pointer 21 to the front end portion thereof. Further, both ends of the scale plate 20 are fixed to the front sides of the side plates 3a, 3a of the frame 3.

[0011]

[Problems to be solved by the device]

 By the way, in the above-mentioned conventional recorder shown in FIG. 3 (a), when exchanging the hitting pen 14, as shown in FIG. 3 (b), first, the hitting pen 14 is not tilted forward. , Open the front door 2 provided in front of the recorder case 1. Then, the scale plate 20 is moved upward, and at the same time, the pointer 21 is rotated downward to open the front side of the dot pen 14 and pull out the dot pen 14 forward for replacement, so that the scale plate 20 and the pointer are replaced. The structure for moving 21 is complicated. Further, there is a problem that the process for replacing the hitting pen 14 is also troublesome.

Further, as shown in FIG. 4 (b), when replacing the hitting pen 14 in the conventional recorder shown in FIG. 4 (a), the hitting pen 14 is not tilted forward and the recorder case is replaced. 1. Open the front door 2 provided in front of 1 and pull the frame 3 forward. Then, since the hitting pen 14 is pulled out forward and taken out upwards for replacement, the troublesome work of pulling the hitting pen 14 out of the case 1 together with the frame 3, which is a heavy body, every time it is replaced. Had to do. Further, this recorder has a problem that the carriage 5 becomes large in size because it requires a space H1 for pulling out the hitting pen 14 forward.

In addition to the recorder described above, in the recorder shown in FIG. 5, the dot pen 4 has a shaft provided parallel to the support shaft 4 and the chart drum 7, and the dot pen 4 is cantilevered on the support bracket 11. This recorder is equipped with a carriage 5 of the type that is supported by the. When replacing the dot pen 14, the dot pen 14 is pulled out forward from the case 1 together with the frame 3 and the dot pen 14 is moved sideways. Since the replacement is performed by pulling it out, the frame 3 which is a heavy body is pulled out of the case 1 every time the dot pen 14 is replaced, like the replacement of the dot pen 14 in the conventional recorder shown in FIG. 4 (a). It had to be done and the work was tedious.

In order to solve the above problems, it is an object of the present invention to provide a recorder capable of easily exchanging a hitting pen with a simple operation.

[0015]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the recorder according to the present invention moves along the support shaft 4 at right angles to the running direction of the recording paper 6, and the rotation of the support shaft 4 raises and lowers the cartridge type dot pen 14. A carriage 5 for recording various measured values on the recording paper 6 is provided, and a scale plate 20 corresponding to the recording paper 6 and a pointer 21 indicating the scale plate 20 are provided in front of the carriage 5. In the total, a chart mount 8 having a chart drum 7 for running the recording paper 6, and a rotation of the support shaft 4 by a predetermined angle in association with an operation of pulling the chart mount 8 forward, It is characterized in that it is provided with inclining means B and 23 for inclining the tip portion to the position below the scale plate 20 and the pointer 21.

[0016]

[Action]

 When the chart mount 8 is pulled out forward, the tilting means B and 23 are actuated, the spindle 4 is rotated by a predetermined angle, and the tip of the cartridge type pen 14 is tilted until it is positioned below the scale plate 20 and the pointer 21. Then, the cartridge type dot pen 14 is replaced.

[0017]

【Example】

 Hereinafter, an embodiment of the present invention will be specifically described with reference to the drawings. FIG. 1 is a side sectional view showing an embodiment of a recorder according to the present invention, and FIG. 2 is an operation diagram in the embodiment. In the embodiments described below, the same or equivalent parts as those in the above-described conventional example are designated by the same reference numerals and the description thereof will be omitted.

As shown in FIG. 1, the recorder according to the present invention records the measured values on the recording paper 6, so that the dot driving motor 22 for rotating the support shaft 4 via the dot driving gear 9 and a few driving motors. Gear train B (b1, b2, b3) as an inclining means which meshes with the hitting drive gear 9 and further meshes with each other in the chart mount 8 direction (downward) Is provided.

The gears b1, b2, b3 of the gear train B are in a free state without meshing with other mechanisms at the time of recording operation, and idle according to the spot driving gear 9 rotated by the spot driving motor 22. However, no load is applied to the dot driving gear 9 and the dot driving motor 22.

Further, the chart mount 8 is provided with a rack gear 23 as an inclining means that meshes with the gear b3 at the lowermost end of the gear train B only when the chart mount 8 is pulled out from the frame 3.

On the other hand, the end of the scale plate 20 is fixed to the left and right side plates 3a, 3a of the frame 3, and the pointer 21 is fixed to the front end of the carriage 5 and extends from the upper side of the scale plate 20. There is.

Further, although the configuration relating to the basic recording operation of the support bracket 11 and the rotation transmitter 17 provided on the carriage 5 is the same as the conventional one, the circumferential cam 19 and the cam follower 10 that abuts on the circumferential cam 19. Of the support bracket 11 until the tip of the cartridge type dot pen (hereinafter referred to as dot pen) 14 is located below the scale plate 20 and the pointer 21 when the support bracket 11 is tilted forward. The structure of 11 is tilted forward. As a result, during the normal recording operation, the hitting pen 14 contacts the recording paper 6 as in the conventional case.

Then, in the recorder according to the present invention described above, when exchanging the dot pen 14, as shown in FIG. 2, first, the dot pen 14 is not tilted forward, and the recording pen 14 is not tilted. Open the front door 2 provided in front of the case 1. Next, only the chart mount 8 is pulled out from the frame 3 in the forward direction. Then, when the chart drum 7 passes under the hitting pen 14, the rack gear 23 provided on the chart mount 8 meshes with the gear b3 at the lowermost end of the gear train B, and the hitting drive gear is passed through the gear train B. Rotate 9.

As a result, the support shaft 4 rotates by a predetermined angle, and the support bracket 11 tilts forward with the inclining shaft 12 as a fulcrum in the same manner as the normal recording operation of the hitting pen 14. Here, since the chart drum 7 that abuts during the recording operation is pulled out in the previous stage and does not exist, the hitting pen 14 is moved forward until the tip of the hitting pen 14 is positioned below the scale plate 20 and the pointer 21. Lean.

Further, when the chart mount 8 is pulled out, the rack gear 23 and the gear b3 are disengaged from each other, and the hitting pen 14 remains tilted forward. In this state, the hitting pen 14 is removed and replaced.

After replacing the hitting pen 14, the chart rack 8 is housed in the frame 3 so that the rack gear 23 and the gear b3 are engaged again to return the hitting pen 14 to the state before the replacement.

Therefore, in the recorder configured as described above, by pulling out the chart mount 8 which is one component of the frame 3, the rack gear 23 meshes with the gear b3 at the lowermost end of the gear train B, and the gear By rotating the dot driving gear 9 through the row B and tilting the tip of the dot pen 14 forward until it is positioned below the scale plate 20 and the pointer 21, the dot pen 14 can be easily moved by a simple operation. Exchanges can be made.

In addition to the above-described embodiment, the gear train B as the inclining means and the rack gear 23 are not provided, but a sensor or the like is provided at an arbitrary position of the chart mount 8 to provide an on / off signal of the sensor. Based on this, it is detected that the chart mount 8 is pulled out from the frame 3, and a signal is sent to the dot driving motor 22 to rotate the dot driving gear 9 so that the tip of the dot pen 14 is below the scale plate 20 and the pointer 21. By tilting forward until it is positioned at, the hitting pen 14 can be easily replaced by a simple operation as in the above-described embodiment.

[0029]

[Effect of device]

 As described above, in the recorder according to the present invention, the tilting means is actuated by a simple operation of pulling out only the chart mount, and the spindle is rotated by a predetermined angle to expose the tip of the hitting pen to the lower side of the scale plate and the pointer. It is possible to change the hitting pen easily.

[Brief description of drawings]

FIG. 1 is a side sectional view showing an embodiment of a recorder according to the present invention.

FIG. 2 is an operation diagram in the embodiment.

FIG. 3A is a side sectional view showing a conventional recorder. (B) An operation diagram of a conventional recorder.

FIG. 4A is a side sectional view showing another conventional recorder. (B) An operation diagram of another conventional recorder.

FIG. 5 is a plan view showing another conventional recorder.

[Explanation of symbols]

 4 ... Spindle 5 ... Carriage 6 ... Recording paper 7 ... Chart drum 8 ... Chart stand 14 ... Cartridge type dot pen 20 ... Scale plate 21 ... Pointer 23 ... Rack gear B ... Gear train

Claims (1)

[Scope of utility model registration request] 1. The cartridge type dot pen (14) is moved up and down along with the support shaft (4) in a direction orthogonal to the running direction of the recording paper (6), and the cartridge type dot pen (14) is moved up and down. A carriage (5) for recording various measurement values on a recording paper (6) is provided, and a scale plate (20) corresponding to the recording paper (6) and the scale plate (20) are provided in front of the carriage (5). In a recorder provided with a pointer (21) pointing to, a chart mount (8) having a chart drum (7) for running the recording paper (6) and an operation of pulling the chart mount (8) forward Then, the support shaft (4) is rotated by a predetermined angle, and the tip of the cartridge type hitting pen (14) is attached to the scale plate (20).
And a tilting means (23, B) for tilting until it is located below the pointer (21).