JPH0311898B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Field of Application) The present invention relates to a three-dimensional article printing apparatus, and more particularly to a printing article supplying apparatus for supplying a printing article.

(Prior Art) As shown in FIG. 1, the three-dimensional article printing apparatus A' includes a fixed disk 1' on a base A'1, a conveyor ring 2' for the article to be printed, a supply device 3' for the article to be printed, printing device 4′,
Equipped with a printing material take-out device 6' and a control device 7', the printing material B' placed on the rotating transport ring 2' is conveyed from the feeding device 3' to the printing device 4'. Printed by the printing roller 4c' of the printing device 4', the printed material B' is conveyed to the drying device 5'. Then, the ink of the printing material B' carried to the drying device 5' is dried by a drying lamp (not shown) installed in the drying device 5', and the printing material B' on which the ink has been dried is dried. B' is carried to the printed product take-out device 6', taken out from the groove 2b' of the conveyor ring 2' by the take-out device 6', and stored in a predetermined case (not shown). speed, the amount of air ejected from the air nozzle that is the conveying means for the printed material of the printed material supply device 3', the strength of the drying lamp of the printed material drying device 5', and the speed at which the printed material is taken out by the printed material take-out device 6'. etc. are controlled by a control device 7'.

Conventionally, a feeding device 3' for supplying a printing material B' to a conveying ring 2' consists of a ring-shaped portion 2a of a conveying ring 2' which is circumscribed to a fixed disk 1' and provided with grooves 2b' at regular intervals. ', the tip of the supply arm 3b' provided in the supply part 3a' of the supply device 3' is connected to the supply path 3c' provided in the supply arm 3b' and the ring-shaped part 2.
a' and the groove 2b' are arranged to face each other, and the supply path 3c' of the supply arm 3b' has fixed guides 3d ₁ ' and 3d ₂ ' formed on both sides, and this supply path 3c From the supply section 3a' that supplies the printed material B' to the
B' is being conveyed while being pressed, and when placing the printed article B' in the groove 2b' of the ring-shaped part 2a', the rotational speed of the conveying ring 2' and the tamping of the extruded article B' are determined. Adjust the substrate to be printed
B' was arranged in the groove part 2b' of the ring-shaped part 2a'.

However, when adjusting the timing as described above and arranging the printed article B' in the groove 2b' of the ring-shaped part 2a', if a timing deviation occurs, the printed article B' causes a trouble situation in which one end is disposed in the groove 2b' of the ring-shaped part 2a' and the other end is left in the supply path 3b' of the supply arm 3b', and in this trouble state, the ring-shaped part 2a ′ has the disadvantage that it rotates and destroys the printed item B′, and the destroyed printed item
If a fragment of B' is left in the groove 2b' of the ring-shaped part 2a', it is complicated to stop the three-dimensional article printing device A' and remove the fragment. This has the disadvantage that work efficiency deteriorates due to the stoppage.

(Object of the Invention) This invention has been proposed to improve the above-mentioned drawbacks, and the problem with the printed material occurring between the supply arm of the printing material supply device and the ring-shaped portion of the conveying ring is Prevent destruction of goods,
It is an object of the present invention to provide a printing material supply device for a three-dimensional article printing apparatus that can highly efficiently supply printing materials to a conveying ring.

(Embodiment of the Invention) The present invention will be described below based on an embodiment shown in FIGS. 3 to 9.

A is a three-dimensional article printing device, in which a fixed disk 1, a conveying ring 2 for the printed article, a printing article removing device 8 are arranged on a base A1, a printing article supplying device 3, a printing device 4, and a drying device. device 5, printing material removal device 6,
It is equipped with a control device 7.

The conveying ring 2 has a ring-shaped part 2a circumscribing the fixed disk 1, and grooves 2b are formed in the ring-shaped part 2a in which the printed articles B are disposed at regular intervals. Length L between the outer and inner edges of
1 is formed to be shorter than the length L2 of the printed article B, and the conveying ring 2 is rotated at a predetermined level in synchronization with a motor (not shown) built into the three-dimensional article printing device A using a transmission mechanism. rotating at speed.

In the printing material supply device 3, a supply arm 3b is formed in a supply section 3a that supplies printing material B, and a supply path 3c for printing material B is provided on this supply arm 3b. The tip end faces the ring-shaped portion 2a so that the groove portion 2b of the conveying ring 2 and the supply path 3c of the supply arm 3b face each other. In addition, the supply path 3 of the supply arm 3b
C has fixed guides 3d ₁ and 3d ₂ on both sides,
These fixed guides 3d ₁ and 3d ₂ are formed such that at the tip of the supply arm 3b, the fixed guide 3d ₂ on which the rotation of the conveying ring 2 approaches is formed short, and the fixed guide 3d ₁ on which the rotation is far away is formed long. A notch 3e is formed on the short fixed guide _3d2 side of the path 3c from the tip of the supply path _3c to the tip of the short fixed guide 3d2, and this notch 3e is a stopper of the printing material removing device 8. It serves as a barrier when moving 8a to the longer fixed guide _3d1 . Further, the printing material B is conveyed from the supply section 3b to the supply path 3c while being pressed by a conveying means (not shown) such as air from an air nozzle, and is pressed toward the ring-shaped portion 2a.

The printing material removing device 8 is connected to the printing material supplying device 3.
A stopper piece 8a is provided on the shorter fixed guide _3d2 side of the supply arm 3b, and a removal piece ₇ is provided on the longer fixed guide 3d1.
b, and the removal piece 8b is rotatably supported by the fixing part 8d and has a shaft 8c, and also has a shaft 8c at the bottom, which is pushed open by the printing object B to remove the printing object B. A spring is provided to return the device to its original position. On the other hand, the stopper piece 8a is the removal piece 8b.
At the same time, the fixed guide 3d moves toward the longer fixing guide _3d1 side, presses and fixes the printed item B, and places the ring-shaped part 2a of the printed item B in the groove 2b. It is designed to stop.

The printing device 4 has a base 4a provided with a roller section 4b having a printing roller, an ink supply device, etc., a printing roller 4c disposed below the roller section 4b, and this printing roller 4c having a transmission mechanism. A built-in motor (not shown) in the three-dimensional article printing device A
The rotational speed of the printing roller 4c is set to match the rotational speed of the conveying ring 2 so that printing can be performed on the printing material B conveyed by the ring-shaped portion 2a of the conveying ring 2 in synchronization with the rotational speed of the conveying ring 2.

The drying device 5 passes the printed material B printed by the printing device 5 into a case 5a, and dries the printed ink using a drying lamp (not shown) installed in the case 5a.

The printing material removal device 6 has an opening of a case 6a disposed opposite to a groove 2b of a ring-shaped portion 2a.
This opening constantly absorbs air. and,
The ink is dried by the drying device 5, and the printing material B, which has been transported by the transport ring 2, is sucked out from the opening of the case 6a and stored in a predetermined case (not shown).

The control device 7 controls the rotational speed of the conveying ring 2, the amount of air ejected from the air nozzle which is a means for conveying the printing material of the printing material supplying device 2, the rotational speed of the printing roller 4c of the printing device 4, and the drying of the drying device 5. The intensity of the lamp, the amount of air absorbed through the opening of the printing material take-out device 7, etc. are controlled.

Next, the supply arm 3b of the printing material supply device 3
A description will be given of an operation for removing the printing material B in which a trouble has occurred between the ring-shaped portion 2b of the conveying ring 2 and the ring-shaped portion 2b of the conveying ring 2.

Usually, the groove 2b of the rotating ring-shaped part 2a
From the supply path 3c of the supply arm 3b to the printed product B
, the rotational speed of the conveyor ring 2 and the timing of pushing out the printed article B from the supply arm 3b to the conveyor ring 2 are adjusted, and the printed article B is arranged in the groove 2b of the ring-shaped portion 2a. If the timing is right as shown in FIG. 6, the printing material B1 will be properly placed in the groove _2b1 of the ring-shaped part 2a, and the next printing material B2 will have its upper end aligned with the previous printing material B.
1 to the peripheral wall of the ring-shaped portion 2a,
When the next groove 2b ₂ corresponds to the supply path 3c, it is pushed out and placed in the groove 2b ₂ .

However, if there is a deviation in the timing of pushing out the printing material B1, the ring-shaped part 2
A problem arises in that one end of the printed article _B1 is disposed in the groove 2b1 of the supply arm 3b, and the other end remains in the supply path 3c of the supply arm 3b.In this state, the ring-shaped part 2a rotates, but the supply arm 3b Since the printed article removing device 8 is disposed at the tip, even if the conveying ring 2 rotates while the printed article B1 remains disposed in the groove _2b1 and the supply path 3c, it will not be removed by the printed article B1. The removal piece 8b is pushed out, and at the same time as the removal piece 8b is pushed out and spread out, the stopper piece 8a presses the next printing object B2 toward the longer fixed guide 3d ₁ , and the printing object B2 is fixed on the longer side. Guide 3
It is clamped and fixed by d ₁ and the stopper piece 8a. Moreover, the expanded removal piece 8b is the ring-shaped part 2a.
When the removal piece 8b disengages from the side wall of the printing material B1, it returns to its original position, and when the removal piece 8b returns to its original position, the printing material The object to be printed B1 is removed from the groove _2b1 by repelling the object B1, and at the same time the removal piece 8b returns to its original position, the pressing force of the restraining piece 8a that was pressing the object to be printed B2 is released and the object to be printed is removed. The article B2 can be disposed, and the troublesome printed article B1 can be removed without being destroyed, and the printed article B can be placed there without stopping the three-dimensional article printing apparatus A.

(Effects of the Invention) As explained above, the tip of the printing material supply device of the three-dimensional article printing device is equipped with a stopper piece for controlling the supply of printing materials and a removal piece for removing troublesome printing materials. Since the configuration is equipped with a printing object removing device, it is possible to remove the printing object that has caused trouble without destroying it, and it is possible to place the printing object without stopping the three-dimensional object printing device. This has practical effects such as making the work of the article printing device more effective.

[Brief explanation of the drawing]

FIG. 1 is a schematic diagram of a conventional three-dimensional article printing device;
FIG. 2 shows the relationship between the supply arm and the ring-shaped portion of the conveyor ring of a conventional printing material supply device, and is a schematic diagram showing a case where the printing material is arranged at different timings, and FIG. 3 is a diagram of the invention according to the present invention. FIG. 4 is an enlarged perspective view showing the relationship between the printing material removing device, the conveying ring, and the supply device of the embodiment of the present invention, and FIG. FIG. 6 is an enlarged perspective view showing the relationship between the printing material removing device and the printing material supplying device according to the embodiment of the invention. FIG. 7 is a plan view showing a state in which the printed articles are placed in the groove of the ring-shaped portion of the conveying ring with different timing, and FIG. A plan view showing a state in which the removal piece of the printing material removal device is pushed and expanded by the printing material disposed in the groove of the ring-shaped part at a different timing, and FIG. 9 is partially omitted from FIG. 8. FIG. A... Three-dimensional article printing device, A1... Base, B,
B1, B2...Printed product, 1...Fixed disk, 2
...Conveyance tongue, 2a...Ring-shaped part, 2b, 2
b ₁ , 2b ₂ ...Groove portion, 3 ... Printed material supply device,
3a...supply section, 3b...supply arm, 3c...
Supply path, 3d ₁ , 3d ₂ ... Fixed guide, 3e ... Notch, 4 ... Printing device, 4a ... Base, 4b ...
Roller part, 4c...Printing roller, 5...Drying device, 5a...Case, 6...Printed product removal device, 6a...Case, 7...Control device, 8...Printed product removal device, 8a...stopping piece, 8b...removal piece, 8c...shaft, 8d...fixing part.

Claims (1)

[Scope of Claims] 1. Fixed guides are provided on both sides of the supply path from the supply section of the printing material supply device in a groove provided in the ring-shaped portion of the printing material conveying ring that circumscribes the outer periphery of the fixed disk. In the three-dimensional article printing device, a three-dimensional article printing device carries out printing by disposing a printing material conveyed using a conveyance means on a supply arm formed by a conveyance means, and conveying the printing material by the conveyance ring, wherein the printing material supplying device The supply arm has a distal end facing the ring-shaped part of the conveying ring, and one fixed guide on the side where the groove of the ring-shaped part is away from the other protrudes from the other fixed guide on the side where the groove of the ring-shaped part approaches. If a trouble occurs in the printed article between the ring-shaped part and the supply arm, the trouble is spread out by the troubled printed article conveyed by the ring-shaped part. A removal piece is rotatably provided between the one of the fixed guides and the ring-shaped part to remove the generated printed material by dropping it, and as the removal piece rotates, it moves toward the one of the fixed guides. A stopper piece is provided between the other fixed guide and the ring-shaped portion to press the printed article against the protruding portion of the one fixed guide and stop the supply of the printed article from the supply arm to the groove of the ring-shaped portion. The printed material removal device installed in
A printed article supply device for a three-dimensional article printing apparatus, characterized in that it is provided between the supply arm and the ring-shaped portion of the conveyance ring.