JP2000085156A5

JP2000085156A5 -

Info

Publication number: JP2000085156A5
Application number: JP1999200872A
Authority: JP
Filing date: 1999-07-14
Publication date: 2004-07-22
Anticipated expiration: 2019-07-14

Claims

In an ink jet recording apparatus for forming a print on a recording medium by moving a carriage equipped with a recording head for discharging ink droplets,
A lock mechanism capable of fixing the carriage at a predetermined position,
An ink suction pump that sucks ink from ink nozzles of the recording head in a state where the carriage is fixed;
A head wiping member for wiping foreign matter from the nozzle forming surface of the recording head,
An ink jet recording apparatus comprising: a common drive mechanism for driving the lock mechanism, the ink suction pump, and the head wiping member.

In claim 1,
The head wiping member includes an elastic blade capable of reciprocating between an advanced position in contact with the nozzle forming surface and a retracted position away from the nozzle forming surface,
The ink jet printing apparatus according to claim 1, wherein the lock mechanism includes a lock lever having an engagement portion movable to a lock position engaged with the carriage and an unlock position released from the carriage.

In claim 2,
The drive mechanism includes a single motor, and a power transmission mechanism that transmits a driving force of the motor to the ink suction pump, the lock lever, and the elastic blade,
The power transmission mechanism includes: a rotation movement transmission mechanism that transmits the rotation movement of the motor to the ink suction pump; a first conversion mechanism that converts the rotation movement into a reciprocation movement of the elastic blade; An ink jet recording apparatus comprising: a second conversion mechanism for converting any one of the reciprocating motions into a swinging motion of the lock lever.

In claim 3,
The ink jet recording apparatus according to claim 1, wherein the rotational motion of the rotary motion transmitting mechanism is transmitted to the first conversion mechanism and the second conversion mechanism by frictional force obtained by a spring member.

In claim 4,
When the elastic blade advances from the retreat position to a position on the way to the advance position, the lock lever swings from the unlock position to the lock position, and when the elastic blade further advances to the advance position, An ink jet recording apparatus, wherein the rocking motion of the lock lever is defined so that the lock lever rocks to the unlock position.

In claim 5,
The rotation force transmission mechanism includes a gear train connecting the motor and the ink suction pump,
The first conversion mechanism includes: a rotary cam plate pressed and fixed coaxially with a drive gear included in the gear train by a spring force; an arc-shaped cam groove formed on a side surface of the rotary cam plate; A cam follower slidable in the arcuate cam groove, a reciprocating member having the elastic blade attached to a leading end thereof and the cam follower attached to a rear end, and moving the reciprocating member to the forward position and the An ink jet recording apparatus comprising: a guide portion that supports a linear reciprocating motion between retreat positions.

In claim 6,
The second conversion mechanism includes a lock lever engaging portion attached to the reciprocating member, and a swing shaft that supports the lock lever so as to swing within a predetermined angle range. Characteristic inkjet recording device.

In claim 6,
The ink suction pump has a circular inner peripheral surface, a flexible ink tube disposed along the circular inner peripheral surface, and an ink tube pressed along the circular inner peripheral surface during rotation. A rotor that supports a rotating roller,
An ink jet printer, wherein the rotor is connected to the drive gear after the drive gear rotates the rotary cam plate for operating the lock lever to the lock position at a predetermined angle. Recording device.

In an inkjet recording apparatus that performs printing on a recording medium by moving a carriage equipped with a recording head that ejects ink droplets,
A lock mechanism capable of fixing the carriage at a predetermined position, the lock mechanism being movable between a lock position engageable with the carriage and an unlock position released from the carriage;
An ink suction pump that suctions ink from ink nozzles formed on a nozzle forming surface of the recording head when the carriage is fixed at the predetermined position;
A head wiping member for wiping foreign matter from the nozzle forming surface, wherein the head wiping member is capable of moving to a forward position capable of contacting the nozzle forming surface and a retracted position separated from the nozzle forming surface;
A motor rotatable in first and second directions, the motor operating the ink suction pump when rotating in the first direction;
A first conversion mechanism for converting the rotational movement of the motor into a reciprocating movement of the head wiping member;
A second conversion mechanism for converting the rotational movement of the motor into a reciprocating movement of the lock mechanism,
When the motor rotates in the first direction, the first conversion mechanism moves the head wiping member to the forward position, and the second conversion mechanism moves the lock mechanism to the lock position.
When the motor rotates in the second direction, the first conversion mechanism moves the head wiping member to the retracted position, and the second conversion mechanism moves the lock mechanism to the unlock position. Inkjet recording apparatus.