JPH088818Y2 - Marking device for tiles - Google Patents

Description

[Detailed description of the device] [Industrial applications]

The present invention relates to an improvement of a tile marking device for marking a product number or the like on a tile surface. Here, the tile means a base material of a tile obtained by firing or a tile before firing.

[Prior art]

Conventionally, as shown in FIG. 3, a tile marking device includes a tile conveying device 1 including a rope conveyor, a marking roller 2 in which a tile conveying path 1a of the tile conveying device 1 faces a marking face 2a, and a marking face. A transfer roller 3 having a transfer layer 3a formed in contact with 2a, and a pressing roller 5 for pressing a tile at a position facing the marking roller 2 via the tile transport path 1a.
Are arranged as needed. The marking roller 2 includes a disk-shaped base 2b rotatably supported by a fixed frame 4 and a base 2b.
And a ring-shaped or strip-shaped stamp member 2d made of rubber or the like disposed on the outer peripheral surface 2c of the stamp member 2d, and the stamp surface 2a is formed on the surface of the stamp member 2d. The marking roller 2 is forcibly driven so that the marking surface 2a rotates at the same peripheral speed as the tile carrying speed of the tile carrying apparatus 1. The transfer roller 3 includes a disk-shaped base 3b rotatably supported by a fixed frame 4 and an annular transfer layer 3a fitted to an outer peripheral surface 3c of the base 3b. Transfer layer 3a
Is formed of a paint liquid holding material such as a sponge capable of absorbing and holding the paint liquid. The transfer roller 3 is a transfer layer.
3a is brought into contact with the marking surface 2a of the marking roller 2 so that the marking roller 2
I'm going to go around with him. An iron oxide liquid or the like is used as the coating liquid for marking, and is periodically supplied to the transfer layer 3a of the transfer roller 3 using the brush 6 or the like.
The coating liquid supplied to the transfer roller 3 is absorbed and held by the transfer layer 3a, and an appropriate amount is transferred from the transfer layer 3a to the imprinting roller 2 imprinting surface 2a.
The surface Ta of the tile T is imprinted while the surface Ta and the imprint surface 2a are in contact with each other.

[Problems to be solved by the device]

In order to make a clear mark on the surface Ta of the tiles T which are successively conveyed by the tile conveying device 1, the transfer roller 2 is used.
It is necessary that the transfer layer 3a of FIG. However, in the conventional marking device for tiles, since the worker needs to regularly supply the coating liquid to the transfer layer 3a of the transfer roller 3 using the brush 6 or the like, the paint held by the transfer layer 3a is required. The amount of liquid was largely different before and after the supply, and was not stable, so that clear marking could not be performed. In the worst case where the worker forgets to supply the coating liquid, the marking will not be performed. SUMMARY OF THE INVENTION In order to solve the above problems, an object of the present invention is to provide a tile marking device capable of stably supplying a coating liquid to a transfer layer of a transfer roller.

[Means for Solving the Problems]

The means adopted by the present invention is a marking device for tiles provided with a marking roller having a marking surface facing the tile conveying path, and a transfer roller having a transfer layer made of a coating liquid holding material abutting the marking surface formed on the outer periphery. In, a doctor roller formed on the outer periphery of a doctor layer made of a coating liquid holding material that comes into pressure contact with the transfer layer of the transfer roller, a coating liquid tank capable of storing the coating liquid, and a position where the coating liquid is immersed in the storage portion of the coating liquid tank. And a pick-up roller having a pick-up peripheral surface that intermittently reciprocates between the doctor roller and a position of the doctor roller that contacts the doctor layer.

[Action]

The transfer roller and the doctor roller rotate together with the marking roller. The coating liquid tank stores the coating liquid in the liquid storage section. When the pick-up roller is immersed in the liquid storage part of the paint liquid tank, the paint liquid adheres to the peripheral surface of the pick-up tank, then moves and contacts the rotating doctor roller for a suitable time, and while rotating around the doctor roller, the pick-up roller contacts the doctor roller. Transfer coating liquid. When the coating liquid is transferred from the pick-up roller, the doctor roller absorbs and holds the coating liquid in the doctor layer and further transfers the coating liquid to the transfer layer of the transfer roller. In this transfer to the transfer layer, since the doctor layer and the transfer layer are in pressure contact with each other, the doctor layer repeats squeezing and re-absorption of the coating liquid, and the transfer layer of the transfer roller absorbs a certain amount of the coating liquid. It is performed so as to retain the liquid. Since the transfer roller absorbs and holds a certain amount of the coating liquid in the transfer layer, the transfer liquid transfers a predetermined amount of the coating liquid onto the imprinting surface of the imprinting roller. As a result, the marking roller can make a clear marking on the surface of the tile. In the present invention, the pick-up roller moves intermittently back and forth between the position where it is immersed in the reservoir of the coating liquid tank and the position where it abuts the doctor layer of the doctor roller, so that a certain amount of coating liquid is applied to the transfer layer of the transfer roller. Since it can be held at all times, a clear marking can be made on the tile surface at all times.

【Example】

Hereinafter, a tile marking device according to the present invention (hereinafter, referred to as “main device”) will be described with reference to an embodiment shown in FIGS. 1 and 2. In the proposed device, the tile transfer device 1, the marking roller 2, the transfer roller 3 and the pressing roller 5 arranged on the fixed frame 14 are arranged.
Is the same as that provided in the conventional tile marking device. The improvement of the device of the present invention is that a doctor roller 8, a coating liquid tank 9 and a pick-up roller 10 are provided. The doctor roller 8 is composed of a disk-shaped base 8b rotatably supported by a fixed frame 14 and an annular doctor layer 8a fitted on an outer peripheral surface 8c of the base 8b. The doctor layer 8a is formed of a coating liquid holding material such as a sponge capable of absorbing and holding the coating liquid. Doctor roller 8 is doctor layer 8a
Is brought into pressure contact with the transfer layer 3a of the transfer roller 3 with an appropriate pressure so as to rotate together with the transfer roller 3. The coating liquid tank 9 is fixedly arranged at a predetermined position and has a liquid storage portion 9b having an upper end opening 9a capable of storing the coating liquid M. An air cylinder 13 is arranged between the bell crank 11 axially supported on the fixed frame 14 and the fixed frame 14. The air cylinder 13 has a bell crank 11 with an output end 13a.
Is connected to the input end 11a of the
The output end 11b of the bell crank 11 is intermittently reciprocally rocked by the intermittent reciprocating movement of the output end 13a. The air cylinder 13 intermittently reciprocates the output end 13a by, for example, operating an electromagnetic valve arranged in the middle of a compressed air pipe (not shown) with an output signal of the tile number counter. The cycle of the intermittent reciprocating movement is appropriately determined in accordance with characteristics such as the printing area per unit time and the viscosity of the coating liquid M, and as described later, the transfer layer 3a of the transfer roller 3 absorbs a certain amount of the coating liquid M. The time should be such that the liquid can be retained. The pick-up roller 10 has a disc-shaped base 10b having a pick-up peripheral surface 10a formed thereon and is rotatably supported on an output end 11b of a bell crank 11. The pick-up roller 10 moves from the position (the position shown by the solid line in FIG. 1) where the pick-up peripheral surface 10a is immersed in the liquid storage portion 9b of the coating liquid tank 9 along with the intermittent reciprocating swing of the bell crank 11 to the doctor roller 8. The doctor layer 8a
It intermittently reciprocates up to a position (a position indicated by a chain double-dashed line in the figure) where the pick-up peripheral surface 10a abuts. The pick-up peripheral surface 10a is formed by a smooth surface or a knurled surface of the substrate 10b according to the characteristics such as the viscosity of the coating liquid M, or although not shown, the coating liquid holding fitted on the outer peripheral surface of the substrate 10b is retained. It is formed on the surface of an annular layer made of a material. The movement of the pick-up roller 10 is not limited to swinging by the bell crank 11, and although not shown in the figure, it may be sliding movement by a take-up. The pressing roller 5 for pressing the tile is arranged at a position facing the imprinting roller 2 via the tile transport path 1a, and presses the tile T being imprinted toward the imprinting surface 2a. A holder 17 that supports the pressing roller 5 slidably in the vertical direction has a coil spring that presses the pressing roller 5 downward, and a height position thereof can be changed by a screw 18. Reference numeral 15 in FIG. 2 denotes a drive pulley fixed to the shaft 2e of the marking roller 2, and the drive pulley 15 has a drive belt 16
Is stretched. Next, the operation mode of the device of the present invention will be described. In the coating liquid tank 9, the coating liquid M is previously stored in the liquid storage portion 9b. Marking roller 2
Is forcedly driven, the transfer roller 3 and the doctor roller 8
Goes around. Pickup roller 10 is paint liquid tank 9
When immersed in the liquid storage portion 9b, the coating liquid M adheres to the pick-up peripheral surface 10a, and then moves by the operation of the air cylinder 13 and comes into contact with the rotating doctor roller 8 for a proper time and rotates together. The doctor roller 8 transfers the coating liquid M from the accompanying pick-up roller 10 and absorbs and holds the coating liquid M in the doctor layer 8a.
The coating liquid M is further transferred to 3a. In this transfer to the transfer layer 3a, since the doctor layer 8a and the transfer layer 3a are in pressure contact, squeezing of the coating liquid M at the position where the doctor layer 8a is in pressure contact and re-absorption at the position immediately after the pressure contact portion are performed. Repeatedly, the transfer layer 3a of the transfer roller 3 absorbs and holds a certain amount of the coating liquid M. Since the transfer roller 3 holds a certain amount of the coating liquid M on the transfer layer 3a, the transfer roller 3 transfers a predetermined amount of the coating liquid M onto the marking surface 2a of the marking roller 2. As a result, the imprinting roller 2 is placed on the surface of the tile T.
Make a clear seal on Ta.

[Effect of device]

As described in detail above, the device of the present invention enables the transfer layer of the transfer roller to absorb and hold a certain amount of coating liquid,
It has a practical effect that a clear marking can always be performed on the tile surface.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the device of the present invention, FIG. 2 is a left side view of the same as above, and FIG. 3 is a front view of a conventional tile marking device. 1a: Tile transport path, 2 ... Stamping roller 2a: Stamping surface, 3 ... Transfer roller 3a: Transfer layer, 8 ... Doctor roller 8a ... Doctor layer, 9 ... Paint tank 9b ... Storage Liquid part, 10 …… Pickup roller 10a …… Pickup peripheral surface

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-64-24753 (JP, A) SAIKAI Shou 53-142805 (JP, U) JP-B Sho-60-39828 (JP, B2) SUN-KOKAI Sho 41- 3608 (JP, Y1) Actual public 39-28071 (JP, Y1) Actual public 48-17364 (JP, Y1)

Claims (1)

[Scope of utility model registration request] 1. A tile marking apparatus comprising a marking roller having a marking surface facing a tile conveying path, and a transfer roller having a transfer layer made of a coating liquid holding material abutting against the marking surface formed on the outer periphery of the marking roller. A doctor roller formed on the outer periphery of a doctor layer made of a coating liquid holding material that comes into pressure contact with the transfer layer of the roller, a coating liquid tank that can store the coating liquid, a position to be immersed in the storage portion of the coating liquid tank, and the doctor roller. And a pick-up roller having a pick-up peripheral surface that intermittently reciprocates between a position where the pick-up roller is in contact with the doctor layer and a marking device for tiles.