JP3001047U - Small automatic printing machine - Google Patents

Abstract

(57) [Summary] [Purpose] When foreign matter enters between the rubber stamp and the printed material, and the motor is loaded with a torque of a certain level or more, the motor loses step and stops rotating, ensuring a responsive and even, uniform response. It is intended to provide a small-sized automatic printer capable of supplying ink. [Structure] An input / output connector that controls motor drive / stop by input / output signals from the control box is provided on the outside of the frame, and a sensor slit plate is attached to the slit plate mounting axis with the cam drive shaft as the coaxial axis.
A positioning sensor is provided in close proximity, and a slit of a positioning slit is provided inside the frame so as to be detected by a position sensor provided on a positioning sensor attachment frame, and a stepping motor is driven to print on a printing material.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a small-sized automatic printing machine for printing on small printed materials such as small precision parts such as ICs, photocouplers, and crystal oscillators. More specifically, without using a clutch, the response is reliable and the ink is uniform and uniform. It relates to a small automatic printing machine that obtains clear printed matter by supplying it.

[0002]

[Prior art]

 Conventionally, as this type of small automatic printing machine, an electromagnetic clutch brake is generally used, and it is known that the motor torque is interrupted by the clutch brake to rotate and stop.

[0003]

[Problems to be solved by the device]

 In the conventional technology, since the clutch brake is discontinuous, even if foreign matter is mixed between the printed material and the rubber stamping board and it becomes overloaded, the response operation to it can not be sufficient and it continues to rotate forcibly. There were problems such as mechanical damage and uneven printing.

The present invention has been made in view of the above problems of the prior art, and an object thereof is to lose synchronization and stop rotation when a load of a certain torque or more is applied to the motor. The aim is to provide a compact automatic printing machine that can reliably respond to operations such as operation and stop during one printing process.

[0004]

[Means for Solving the Problems]

 In order to achieve the above object, the compact automatic printing machine according to the present invention is provided with an input / output connector on the outside of the frame for controlling the driving / stopping of the motor according to the input / output signals from the control box, and the cam drive shaft is coaxial. A sensor slit plate is mounted on the slit mounting shaft to provide a positioning sensor in close proximity, while the slit of the positioning slit mounted on the cam drive shaft is located inside the frame so that the position sensor provided on the positioning sensor mounting frame detects it. It is arranged and printed on a printing material by driving a stepping motor.

[0005]

[Action]

 Since the printer body is connected to the lifting unit via the slide stand, the printer body is moved up and down by the rotation of the lifting handle, and the printing pressure of the rubber stamp stand on the printed material is adjusted.

Ink is replenished to an ink unit consisting of an ink amount adjusting roller, an ink amount adjusting plate, and an ink leakage prevention guide, and is driven by a continuously rotating induction motor to pass through a gear head, a power transmission bevel gear, and an ink unit drive shaft. The power transmission gears work together to supply a constant amount of ink by meshing the ink unit drive gear and the ink unit driven gear.

The supplied ink adheres to the ink amount adjustment roller, and a certain amount of ink is transferred to the transfer roller that rotates in the opposite direction to this adjustment roller, and when the ink roll at the tip of the ink roll arm swings. The ink is transferred to the rubber stamp on the rubber stamp while contacting and separating from the transfer roller. The ink amount can be adjusted by rotating the ink amount adjusting screw and moving the ink amount adjusting plate support to adjust the gap between the ink amount adjusting roller and the ink amount adjusting plate.

The ink amount adjusting roller is rotated by the driving of the gear driven by the ink unit to drive the transfer roller and the ink leveling roller via the transfer roller driving gear, but the ink leveling roller also slides in the axial direction. The ink is supplied uniformly and evenly by slightly touching the transfer roller and smoothing the ink.

[0009]

【Example】

 Examples will be described with reference to the drawings. 1 to 4, the compact automatic printing machine according to the present invention is composed of a promotion unit A, a printer body B and an ink unit C. The elevating unit B is held between the printing machine main body A and the slide table guides 83 and 84 via a slide table 82 which is vertically movable, and is elevated on the elevating table 81 via the slide table 82. It is designed to do. The elevating handle 89 is supported by an elevating piece 87 having an elevating screw 90 and a lower part fixed to an elevating piece mounting bracket 86, and an upper part is supported by a fixed piece 88, which is fixed to the elevating unit A. Therefore, when the raising / lowering handle 89 is rotated, the raising / lowering piece 87, the raising / lowering bracket 86, and the slide base 82, which are integrally connected to the raising / lowering handle 89, are simultaneously raised and lowered. It is also configured to move up and down to adjust the printing pressure of the rubber stamp stand 16 when printing on the printing object. The slide base guide 85 covers the slide guide 84.

In the main body B of the printing press, the main frames 33A and 33B are fixed to the frame base 43 attached to the slide base guide 83, and the right main frame is horizontally supported on both the frames 33A and 33B. A sensor slit plate 60 is mounted on a slit plate mounting shaft 59 mounted coaxially with the cam drive shaft 27, a positioning sensor 4 is provided at a position corresponding to the slit, and induction is performed by an input / output signal from an externally provided control box. An input / output connector 5 for controlling the driving of the motor 8 and the stepping motor 9 and a manual handle 34 are provided respectively. The induction motor 8 is attached to the main motor attachment plate 37 fixed to the main motor attachment piece 36 via the gear head 7, and drives the ink unit drive shaft 26 via the power transmission bevel gears 10 and 11 by the rotation of the motor shaft. The power transmission gears 45 and 46 and the ink unit drive gear 47 rotate in association with the drive of the power transmission gear 44 axially mounted on the shaft 26, and the ink unit driven gear 69 also rotates. There is.

A positioning slit 31, a cam shaft driving pulley 52, an ink roll cam 25 sensor slit plate 60, and a printing cam head 24 are axially mounted on the cam driving shaft 27 and rotate simultaneously. The camshaft drive pulley 52, the belt tension pulley 54 attached to the belt tension adjusting plate 51 and the main belt drive pulley 53 are stretched around the main belt 6, and the main belt drive pulley 53 is driven by the stepping motor 9 to drive the main belt drive pulley 53. The cam shaft drive pulley 52 and the cam drive shaft 27 are interlocked via the belt 6. The belt tension adjusting plate 51 and the belt tension pulley 54 are provided so as to give an appropriate tension to the main belt 6. The cam drive shaft 27 makes one rotation and repeats the stop for each printing process. The stop position is determined by the positioning sensor 3 mounted on the slit positioning sensor mounting piece 41 in the slit 31 at the position. It is designed to detect.

The ink roll arms 19A and 19B attached to the cam follower attachment piece 20 are connected by the arm connecting plate connecting plate 17, and the ink roll holding bars 35A and 35B having the ink roll collar 23 at the tip thereof are pulled by the ink roll. The spring 57 constantly applies tension. The reciprocating motion to the Bim stamp 16 is performed by the printing head cam 24. The cam follower attached to the center of the printing head link 40 follows the groove of the printing cam 24 so that the printing head link 40 exerts a force on the cam follower attached to the cam follower attachment bracket 39 with the link top 56 as the fulcrum. Is given. Further, the direct-acting shaft 28, the direct-acting shaft mounting piece 38, the tops 14A, 14B, 15 and the rubber stamping base 16 are integrally reciprocated, and the direct-acting shaft 28 mounts the direct-acting shaft bearing holder 42. It is designed to penetrate and give a smooth linear motion. The rubber stamp stand 16 is held by being surrounded by the rubber stamp stand supports 14A, 14B, and 15. The rubber stamp stand 16 is detachably provided by the detachable knob 1, and the ball retainer plate 50 for preventing displacement due to vibration of the rubber stamp stand 16, It is configured so that it is constantly pressed through the rubber base presser ball.

In the ink unit C, the ink unit C uses the induction motor 8 as a driving source, and the power transmission gears 44, 45, 47 by interlocking the ink unit drive shaft 26 via the gear head 7 and the power transmission bevel gears 10, 11. As described above, the ink unit C is operated via the ink unit drive gear 47 and the ink unit driven gear 69, and the induction motor 8 is constantly rotating to supply a constant amount of ink. The ink supplied to the space formed by the adjusting roller 65, the ink amount adjusting plate 68, and the ink leakage prevention guides 67A and 67B adheres to the ink roller 65. For the ink amount adjustment, a certain amount of ink is transferred to the transfer roller 73, which is rotating in reverse to the ink amount adjusting roller 73, but the ink roll 32 contacts the transfer roller 73 to transfer the ink, and The ink is transferred from the transfer roller 73 to the rubber stamp on the rubber stamp table 16 (rotary scraper mechanism). The ink amount is adjusted by forming a slight gap between the ink amount adjusting roller 65 and the ink amount adjusting plate 68 and changing the amount applied to the gap. The ink amount adjusting screws 75A, 75B are passed through the ink amount adjusting screws 76A, 76B. One end of each of the ink amount adjusting screws 75A, 75B is fixed by an adjusting screw fixing plate 77, and the ink amount adjusting screws 76A, 76B are fixed. When rotated, the ink amount adjusting plate support 63 is moved with respect to the ink amount adjusting screw top 74, and it is possible to form a gap between the ink adjusting plate 68 and the ink amount adjusting roller 65, which are interlocked with this, to adjust. It can be configured. (Oscillator mechanism). Since the ink unit support 64 is held by the ink unit holding plates 48, 49 and the ink unit holding plate 55, the ink unit C can be attached and detached by sliding rightward in the axial direction. Further, the ink roll 32 makes one reciprocation during the half rotation of the cam drive shaft 27, and the rubber stamp board 16 makes one reciprocation during the next half rotation, thus completing one printing process.

[0014]

[Effect of device]

 Since this school plan is configured as described above, it has the following effects. 1 Since electromagnetic clutch brakes have been used in the past, even if foreign matter enters and the motor is overloaded with a certain torque or more, it will not step out and will not rotate. By using a stepping motor that has been damaged, if foreign matter enters between the rubber stamp and the printing object, it will lose its synchronism and stop its rotation. 2 Ink supply is constant and uniform, and vivid printing is possible by using the so-called rotor scriber and oscillator configuration. 3 The printing part is a cassette type, so one-touch replacement is possible.

[Brief description of drawings]

FIG. 1 is a right side view of a main part of a compact automatic printing machine.

FIG. 2 is a right side view of a cross section of the main part.

FIG. 3 is a left side view of the relevant part.

FIG. 4 is a left side view of a cross section of the main part.

[Explanation of symbols]

 A lifting unit B printing body C ink unit 3 positioning sensor (internal) 4 positioning sensor (external) 5 input / output connector 6 main belt 8 induction motor 9 stepping motor 16 rubber stamp stand 27 cam drive shaft 28 direct drive shaft 43 frame stand 44 power Transmission gear 45 Power transmission gear 46 Power transmission gear 47 Ink unit gear 69 Ink unit driven gear 81 Lifting platform 89 Lifting handle

Claims (1)

[Scope of utility model registration request] 1. An elevating unit for elevating and lowering a printer main body through a slide table guide by an operation of an elevating handle, and a drive of a main heater are made to interlock an ink unit drive gear by meshing a plurality of transmission gears. A small automatic printing machine comprising a printing machine main body and an ink unit provided with an ink unit driven gear that meshes with and interlocks with the ink unit driving gear. An input / output connector controlled by a signal is provided, and a sensor slit plate is mounted on a slit plate mounting shaft that is coaxial with the cam drive shaft and a positioning sensor is provided close to it, while the positioning slit mounted on the cam drive shaft is installed inside the frame. A positioning sensor provided with a slit on the positioning sensor mounting frame. A small automatic printing machine that is installed so that it can be detected by the sensor and drives the stepping motor to print on the material to be printed.