JPS6234556B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a writing instrument assembly machine that inserts an ink storage body into a writing instrument barrel and further fits a tail plug to the rear end of the writing instrument barrel, and more particularly relates to a writing instrument assembly machine that inserts an ink storage body into a writing instrument barrel and further fits a tail plug to the rear end of the writing instrument barrel. A plurality of drums having a diameter are arranged in succession, and an ink storage body is inserted into the writing instrument barrel on the continuous drums.
This invention relates to a writing instrument assembling machine using an ink absorber that continuously attaches tail plugs at high speed.

Inserting an ink absorber into the barrel of a conventional writing instrument,
Devices for fitting the tail plug into the rear end of the barrel of a writing instrument were manufactured as single-function devices. Furthermore, it is known that these single-function machines are connected in series by a conveyor such as a conveyor. Such devices have problems such as unifying the speed of each single-function machine and increasing the scale of the device due to the installation of a connecting conveyor, and there has been a considerable gap in speed improvement.

The present invention was made in view of the above problems,
This paper proposes an assembly machine for writing instruments using an ink absorber that is small in size and can be operated at high speed.

Embodiments of the present invention will be described with reference to the accompanying drawings. Referring to FIGS. 1 and 2, the hopper 3 is connected to the shaft cylinder 1.
The hopper 4 stores the batting 2 as an ink storage body, and the hoppers 3 and 4 supply the barrel 1 and the batting 2 to the drums 7 and 8 via the chutes 5 and 6, respectively. The drums 7 and 8 are connected to the shaft 9
The shaft 9 is further provided with a filling insertion portion 10 for inserting the filling 2 into the shaft tube 1. A drum 11 is fixed to the shaft 12 for transporting the shaft cylinder 1 with the batting 2 inserted therein to a tail plug fitting drum 13, which will be described later, in synchronization with the drum 7. The tail plug fitting drum 13 is fixed to a shaft 14, and a tail plug fitting pressing portion 15 is further disposed on the shaft 14. On the tail plug fitting part 15 is a tail plug supply part 16 that supplies the tail plug 19 to the tail plug fitting part.
is located. A chute 17 is arranged to transfer the barrel 1 into which the batting 2 is inserted from the drum 13 and the tail plug 19 is fitted to the product hopper 18. Each shaft 9, 12, 14 is driven by a drive source (not shown) by fixing spur gears 21, 22, 23 that are in contact with each other, but each shaft 9, 12, 14 is provided with a sprocket. It can also be fixed and driven by a chain. Each of the parts and devices described above is included in the frame 2.
0 by a predetermined arrangement.

Next, the operation of each step will be explained in order. The hopper 3 contains a shaft cylinder 1, and the hopper 4 contains a predetermined amount of batting 2. Since the hoppers 3, 4 and the chute 5, 6 operate in almost the same manner, the operation of the shaft cylinder 1 will be explained. The shaft cylinder 1 is dropped by its own weight from the lower opening 301 of the hopper 3 to the chain conveyor 302. Furthermore, if bridging occurs, it is also possible to provide a diaphragm in the hopper 3 in order to give vibration to the shaft cylinder. The shaft cylinder 1 that has fallen onto the chain conveyor 302 is conveyed onto the chute 5 by movement (in the direction of the arrow) of the chain conveyor 302 in synchronization with the drum 7, which will be described later.
The chute 5 has an inclination with the conveyor 302 side facing upward, and the shaft tube 1 rolls along the inclination of the chute 5 and comes into contact with the drum 7. A fitting groove 70 provided on the outer periphery of the drum 7
The shaft cylinders 1 that are not accommodated in the chute 1 are sequentially stored on the chute 5.

The relationship between the drums 7, 8 and the batting insertion section 10 will be explained with reference to FIG. A barrel holding drum 7, a batting holding drum 8, a push rod guide 1001, a grooved cam 1002, and a grooved cam fixing bracket 1003 are fitted into the shaft 9 in this order from one side. The batting holding drum 8 and the push rod guide 1
001 is fixed to the shaft 9 by keys 1004 and 1005. Further, the barrel holding drum 7, the batting holding drum 8, and the grooved cam 1002
and grooved cam fixing bracket 1003 are each fixed with a key, bolt, or the like.

The shaft 9 is rotatably inserted into the grooved cam 1002 which is fixed to the grooved cam fixing bracket 1003 through a bearing 1012 or the like. The grooved cam 100 is provided on one side of the push rod guide 1001.
A cam follower 1006 that fits into the groove of No. 2 and an insertion rod 1008 attached via a mounting plate 1007 for preventing rotation of the push-in rod 1008 are slidably arranged. Furthermore, the mounting plate 1007 can also allow two or more insertion rods to slide at the same time. A push rod 1009 fixed to the insertion rod 1008 is slidably disposed on the other side of the push rod guide 1001. The insertion rod 1008 and the push rod 100
9 can also be manufactured in one piece. A plurality of vacuum openings 1010 are provided in each of the fitting grooves 701 and 801 provided in the drum for holding the barrel 7 and the drum for holding the batting 8 in order to stabilize the barrel 1 and the batting 2 within the grooves. There is. The suction of air from the vacuum port 1010 can be achieved by providing a vacuum that rotates in synchronization with the drums 7 and 8, or by sucking air from the outside using a hollow disk.

When the shaft 9 is rotated by the spur gear 21 in the direction of the arrow shown in FIG.
1. The insertion rod 1008 and the push rod 1009 rotate together. When shaft 8 rotates, shoots 5 and 6
The shaft cylinder 1 and the filling 2 stored in the drum 7 and the filling groove 2 are inserted one by one into the fitting grooves 701 and 801 of the drum 7 for holding the cylinder and the drum 8 for holding the filling, respectively, and transferred. At this time, the fitting groove 7 of the drums 7 and 8
Since air is sucked into the shaft cylinder 1 and batting 2 fitted into the drums 01 and 801 through the vacuum opening 1010, they will not come off from the drum due to vibrations of the device or the like. As the shaft 9 continues to rotate further, the cam follower 1006 fitted into the groove 1011 of the grooved cam 1002 fixed to the frame 20 by the grooved cam fixing bracket 1003 moves into the groove 1011.
As the insertion rod 1008 advances along the path of
The push rod 1009 also moves forward together. The tip of the push rod 1009 fits into the groove 801 of the batting holding drum 8.
The insertion rod 100 comes into contact with the batting 2 inserted into the
8 advances, the filling 2 is inserted into the barrel 1. When the insertion of the batting 2 is completed, the insertion rod 1008 and the push rod 1009 move back along the path of the groove 1011 of the grooved cam 1002 and stop at a predetermined position. In this case, the suction of air from the vacuum chamber 1010 is limited to the period from the position of the chute 5, 6 to the position where it contacts the barrel transfer drum 11 as the drums 7, 8 rotate, or it is constantly suctioned. The choice can be made as appropriate. In addition, the insertion rod 1008
Although a grooved cam was used to move forward and backward, the insertion rod 10
08 and the push rod guide 1010, it is also possible to use a regular cam instead of a grooved cam.

The barrel 1 with the filling 2 inserted is transferred from the barrel holding drum 7 to the barrel transfer drum 11,
The axial cylinder transfer drum 11 is rotated by a shaft 12 to which a flat gear 22 that is in contact with the flat gear 21 is fixed. In this embodiment, the drum 11 for transferring the shaft cylinder is provided, but the drum 7 for holding the shaft cylinder
Of course, an inclined chute or the like may be provided between the tail plug fitting drum 13 and the tail plug fitting drum 13, which will be described later. However, although not particularly described in this embodiment, it is detected whether or not the batting 2 is inserted into the barrel 1 transferred by the barrel transfer drum 11, and the barrel 1 without the batting 2 is detected. It is also possible to be equipped with a device to exclude such objects.

Refer to FIG. 4, FIG. 5, and FIG. 6 for the mechanism for fitting the tail plug by transferring the barrel 1 into which the batting 2 is inserted from the barrel transfer drum 11 to the tail plug fitting drum 13. and explain.

The shaft 14, which is rotated by the fixation of the spur gear 23 in contact with the spur gear 22, includes a shaft receiving drum 25 having a shaft receiving member 24 from one side, and a fixing member for fixing the shaft receiving drum 25 to the shaft 14. Drum 26, tail plug fitting drum 13, push rod holding drum 27, grooved cam 1501, and grooved cam 15
A grooved cam fixing bracket 1502 for fixing the frame 20 to the frame 20 is sequentially inserted.

The bearing drum 25 and the fixing drum 26 are fixed with a key or bolt, and the fixing drum 26 is fixed to the shaft 14 with a key 1503. Further, both the tail plug fitting drum 13 and the push rod holding drum 27 are fixed with keys or bolts, and the push rod holding drum 27 is attached to the key 1504.
It is fixed to the shaft 14 by. groove cam 150
1 and a grooved cam fixing bracket 1502 are fixed by a key or bolt, and the grooved cam 1501 is rotatably fitted into the shaft 14 by a bearing 1505 or the like. The shaft cylinder receiver 24 provided on the shaft cylinder receiving drum 25 has a receiving rod 2401 that protrudes from an opening at one end and a tail plug 1 at the rear end of the shaft cylinder 1 at the other end.
9 is fitted, that is, the length of the barrel, variations in fitting force, etc. are absorbed, and when the pressure exerted by the tip of the barrel on the receiving rod 2401 exceeds a certain load amount, the spring 2402 It is designed to absorb water by twisting it.

The tail plug fitting drum 13 is provided with a vacuum opening 1301 for ensuring the retention of the shaft tube 1 and the tail plug 19 in the same manner as the batting insertion portion. The cam follower 1507 moves forward and backward along the path of the groove 1506 provided in the grooved cam 1501.
It is attached to a push rod 1509 via an attachment plate 1508, similar to the attachment plate 1007 of the batting insertion section. This push rod 1509 has a passage 1511 communicating with a vacuum opening 1510 from the middle portion to the opening at the tip. The outer peripheral surface of the tail plug fitting drum 13 is provided with an opening 1302 corresponding to a tail plug supply section 16, which will be described later. A part of the L-shaped corner of a chute 1601 that communicates with a sorter or a parts feeder (not shown) is cut out, and the peripheral surface of a roll 1603 that is positioned corresponding to this cutout 1602 and constantly rotates is made of elastic material. A brush 1604 is provided. In this embodiment, rubber is used as the brush. This brush 1604 elastically curves against the tail plug 19 as a relief when the tail plug 19 is sufficiently supplied to the chute 1601. A tail plug receiver 160 is provided at the tip of the chute 1601.
They are arranged at intervals of 5. The tail plug receivers 1605 are provided in a pair so as to be swingable by a pin 1606, and the pair of tail plug receivers 1605
A push rod 1607 is arranged at the middle upper part of the holder so that it can be inserted in the vertical direction.

A rod 1614 is slidably fitted into a hole provided in a guide 1616 fixed to a side plate 1605 fixed to the frame 20 by an appropriate method.
The upper end is fixed to a mounting plate 1608. A cam follower support bracket 1613 having a cam follower 1612 that rotates in contact with a cam 1611 is mounted on the mounting plate 1608. The push rod 16 is located in the center of the mounting plate 1608.
07 is slidably disposed within the hole 1617, and the lower part of the push rod 1607 is disposed slidably within the hole 1618 of the guide plate 1609. The guide plate 1609 is connected to the mounting plate 1 by the fixing plate 1619.
608 is fixed. Also, pushy rod 1
A spring 1610 for overload prevention is wound between the mounting plate 1608 and the guide plate 1609 of 607. The rod 1614 is connected to the guide 16.
16 and a spring 1620
As a result, the push rod 1607 is raised again.

The tail plug 19 transferred from the tail plug supply chute 1601 to the tail plug receiver 1605 is transferred to the cam 1611.
As the mounting plate 1608 is rotated, the mounting plate 1608 is lowered, and the push rod 1607 pushes the tail plug 19 downward. It is stabilized by the suction effect of air from 1301. A push rod 1509 is slidably provided on the push rod holding drum 27 as the shaft 14 rotates.
comes into contact with the tail plug which has moved forward according to the movement of the cam follower 1507 moving within the groove 1506 of the grooved cam 1501. At this time, since air is being sucked through the passage 1511 provided in the push rod 1509, the tail plug comes into close contact with the tip of the push rod 1509. The push rod 1509 moves further as the shaft 14 rotates, and the tail plug 19 is fitted into the shaft cylinder 1.

When fitting the tail plug 19, the pressing force of the push rod 1509 becomes excessive in order to completely fit the tail plug 19 into the shaft cylinder 1. Therefore, in order to absorb this excessive pressure of the push rod 1509, a barrel receiver 24 having a spring 2402 is arranged at the tip of the barrel receiver drum 25. Although this tail plug fitting mechanism is shown as a two-part type in FIG. 5, it goes without saying that it can be used in a series or in multiple parts depending on the speed or capacity of the entire device. Also, roll 1603, cam 1611
is driven by an appropriate drive system in order to synchronize with the rotation of the shaft 14.

The shaft cylinder 1 into which the filling 2 is inserted and the tail plug 19 is fitted rolls on the chute 17, and the product hopper 1
It is stored in 8. It is also possible to provide the chute 17 with a notch having substantially the same shape as the shaft cylinder 1, so that the shaft cylinder 1 without the tail plug 19 fitted therein can be stored in another hopper (not shown).

Since the present invention has the above-mentioned configuration, compared to the case where conventional single-function machines are connected, there is no need to adjust the speed of each single-function machine, and it is possible to use a smaller and faster ink absorber. This is a completed writing instrument assembly machine.

[Brief explanation of the drawing]

Fig. 1 is a plan view of an embodiment of the present invention, Fig. 2 is a longitudinal cross-sectional view of the main part of Fig. 1, Fig. 3 is a partial longitudinal cross-sectional view showing the process of inserting the batting into the barrel, and Fig. 4. 5 is a partial vertical cross-sectional view showing the process of fitting the tail plug to the rear end of the shaft cylinder.
The figure shows the tail plug supply pressing section, and FIG. 6 is a longitudinal sectional view showing the tail plug supply section. 1... Shaft tube, 2... Filling, 3, 4, 18... Hopper, 5, 6, 17... Shoot, 7, 8, 1
1, 13, 25, 26, 27...Drum, 9, 1
2, 14... Shaft, 10... Batting insertion part, 1
5... Tail plug fitting pressing part, 16... Tail plug supply part, 2
1, 22, 23... Spur gear, 1002, 1501
...Groove cam, 1010, 1301, 1510...
Bakyum mouth, 1603...Roll, 1604...
...Brush, 1605...Tail plug holder, 1607...
Pussyrod, 1611...Cam, 701,8
01...Insertion groove.

Claims (1)

[Scope of Claims] 1. A hopper for a writing instrument barrel, a hopper for an ink storage body, a first drum having a groove on its outer periphery into which the writing instrument barrel is inserted, and a position corresponding to the groove of the first drum. a second drum having a concave groove into which the ink absorbing body is fitted, and which is driven by the same shaft as the first drum; and the ink absorbing body on the second drum is fitted into the concave groove of the first drum. a third means for inserting the ink storage body into the writing instrument barrel;
a drum, means for supplying a tail plug to the rear end of the writing instrument barrel on the third drum, and means for fitting the supplied tail plug to the rear end of the writing instrument barrel into which the ink storage body is inserted; A writing instrument assembly machine using an ink absorber, characterized in that it has: 2. The writing instrument assembly machine using an ink absorber according to claim 1, characterized in that a vacuum opening is provided in the concave groove of the first drum. 3. The writing instrument assembly machine using an ink absorber according to claim 1, characterized in that a vacuum opening is provided in the concave groove of the second drum. 4. The device according to claim 1, wherein the means for inserting the ink storage body into the shaft cylinder comprises a grooved cam and an insertion rod that moves forward and backward according to the groove of the grooved cam. Writing instrument assembly machine that uses an ink absorber. 5. The tail plug supplying means includes a chute, a roll for supplying the tail plug in the chute, a tail plug receiver for holding the tail plug from the chute, and a push rod for pressing and discharging the tail plug in the tail plug receiver. 2. A writing instrument assembly machine using an ink absorber according to claim 1, comprising: a cam for moving the push rod up and down. 6. The device according to claim 1, wherein the means for fitting the tail plug to the rear end of the writing instrument barrel comprises a grooved cam and a push rod that moves forward and backward according to the groove of the grooved cam. Writing instrument assembly machine that uses an ink absorber. 7. The tail plug fitting means according to claim 6, characterized in that a vacuum passage is provided from the tip of the push rod to the intermediate portion. 8. The device according to claim 1, wherein the means for inserting the ink storage body into the shaft cylinder, the tail plug supply means, and the tail plug fitting means are driven in synchronization. Writing instrument assembly machine that uses an ink absorber.