Jema JM-988 Guida del prodotto

INDUSTRIAL SEWING MACHINE

I.Overview

Automatic button feeding device is composed of feeding identification mechanism, pneumatic button transmission

mechanism, button rotating and falling mechanism, thickness measuring mechanism, gate adjusting mechanism, mechanical

arm button feeding device, thread loosening mechanism, as well as mechanical, electrical and gas part and control

mechanism. It can be compatible with different brands and models of button sewing machine, featuring quick button

feeding speed, high button feeding stability, small failure rate, significant reduction of labor intensity, inprovement of

production efficiency, simple operation, etc.

II. Technical Parameters

No. Parameter contents Standard range Remarks

Power supply voltage

Rated power

Package size

Weight

Rated button sewing speed

Continuous button feeding speed

Button feeding stability

Button diameter

Suggested air pressure

110/220V

260W

570 600 520MM× ×

48KG

19200-24000pcs/8h

28800-31200pcs/8h

99.7%

9-24mm

0.3-0.35Mpa

III. Safety Warning

1.Before installing and using this equipment, users must carefully read the relevant safety precautions, to ensure personal

safety and avoid equipment damage. The company will not bear any responsibility for any personal injury or equipment

damage resulting from failure to comply with the operational requirements of this instructions.

2.Before installation, be ensure the pressing foot working well at the highest area.

3.Before connecting the machine to the power supply, arrange the qualified professional electrician to check the power

supply voltage, frequency, power and other parameters are in line with the identifications of machine nameplate. The metal

casing of machine must be connected to the case of sewing machine using metal wire and then connected to the special

protective grounding wire using grounding wire.

4.During the repair or adjustment of device, cut off the power supply and gas supply to ensure safety.

5.Do not put hands on the moving parts of machine to avoid injury. The total intake source of compressed air should be

between 0.35 and 0.4Mpa.

IV. Introduction to Panel Functions

Language

In/Output

Indicator

light

Quantity

Vibration

Controller

Manual

Testing

Reset

Start

Stop

“Quantity”: It shows the current quantity; the quantity will be reset after pressing this key.

“Output/input indicator light”:Display the working indicator lights of all systems by pressing this key.

“Button feeding control/Vibration Controller”:Set the time of vibration, gear of vibration and speed

of button feeding by pressing this key.

“Manual testing”:Enter function page by pressing this key, select the function button that you want to test,

and make the machine run by pressing this key.

“Language”:Multilingual switch.

“Resetting”:Pressing this key for resetting when the system is giving an alarm.

“Start”:The machine will start working after pressing this key.

“Stop”:The machine will stop working after pressing this key.

Language

Mechnical

Feeding

Mechnical

Arm

Up&Down

Vertical

Shaft

Rotation

“Moving up and down of engine arm”: The engine arm will move up after pressing this key;

and the engine arm will move down after pressing this key again.

“Feeding button by engine arm”: Engine arm will rotate anticlockwise after pressing this key;

the engine arm will rotate clockwise after pressing this key again.

“Rotation of vertical shaft”: Vertical shaft will rotate after pressing this key.

Vertical

Shaft

Up&Down

To Clamp

Button

Baffle

Extension

Manual

Feeding

Switch

Blowing

Button

RETURN

“Moving up and down of vertical shaft”: The vertical shaft will move down after pressing this key and

the vertical shaft will move up after pressing this key again.

“Taking button by operating button clamp”: Button clamp will be unfolded after pressing this key and

the button clamp will be folded after pressing this key again.

“Stretching out and drawing back of damper”: The damper will stretch out to block the button

from moving, and the damper will draw back and button can freely move after pressing this key again.

“Manually feeding button”: The engine arm will feed button once after pressing this key.

“Feeding button by blowing gas”: Button feeding will be conducted once by blowing gas after pressing

this key.

“Back”: Return to the precious page after pressing this key.

J9 pressure regulating valve by gas blowing: When buttons are delivered to button feeding track at the vibrating plate,

feed the buttons at the gripper arm through gas blowing, and the recommended air pressure is between 0.3-0.35Mpa.

Manually Feeding: Press this key for manually repairing button when there is no button in the gripper.

Thickness Measurement: Pressing this key, lift the pressing plate for measuring thickness, take one button to

be used and place it on the plate, and then release this key.

V. Introduction to Basic Operation

1.Start-up operation:

1.Check whether there are tools or foreign objects around the machine.

2.Connect to the gas source, adjust the pressure and ensure the value of pressure gauge is between 0.3-0.35Mpa.

3.After turning on the power, the button indicator lights at the panel will become green and function interfaces

will be displayed on the touch screen.

4.After pressing the resetting key, the machine will be restored to the original state, namely standby state.

5.After pressing the preparation key of sewing machine, the presser foot will be lifted, and the operation

screen will become green and the machine will enter standby state.

2.Original state:(standby state)

3.Button change operation:

1.Press the thickness measuring key (as shown in Fig.1), and then take one button to be used and put it below the pressing plate

for measuring thickness 、width and adjusting the blocker automatically.( as shown in Fig.2 3 4).

Fig.1 Fig.2

Fig.3 Fig.4

NO. Name of cylinder State

Name of

magnetic switch

Indicator light of

magnetic switch Remarks

Cylinder for making gripper

take button

Cylinder for making mechanical

arm move up and down

Needle protection sensor

Manually feeding button

Vice buttons sensor

Fold

At the up

position

It is on when there is

button

It is on

Putting on button

manually

X0(J2)

X1(J1)

X3(J7)

X10

J28

Thickness measurement button

It is off

It is on

Home position

Correct degree position sensor

Correct degree position

3. When change buttons, in order to feeding buttons correctly, according to the different size of button’s diameter

to adjusting the J1 sensor position. (as shown in Fig.5)

Fig.5

4.Conntect to the total intake air supply, adjust the pressure of gas pressure meter to be between 0.35-0.4Mpa.

(as shown in Fig.6)

Fig.6

Fig.7

Fig.8 Fig.9

5.After pressing the power switch, the power indicator light will be on (as shown in Fig.7), the touch screen will

display function page to adjust the speed of feed tray, so as to continuously feed buttons and make track full of buttons.

6. Lift the presser foot of button sewing machine, press the key “Manually Feeding button” .(as shown in Fig.8)

MANUALLY FEEDING

9.Main buttons & Vice buttons set : Large number of buttons for Main buttons through to the vibrate plate for feed.

Little number of buttons for vice buttons by manual feed.Before start,set the main buttons and vice buttons quantity.

Vice buttons set “0” means only one type buttons for work.(Fig.9)

7.Press the key “Manually Feeding button”, check whether the specifications of button gripper base are

appropriate, and replace it if the specifications are not appropriate.

8.Press the key “Manual testing” and then “Stretching out and drawing back of damper”. Stretch out the gate, and

adjust the gap between buttons to be 0.2-0.5MM.

10.Pressing buttons area

Rubber nozzle Front guide block

Front guide block

Fig.(1)

Rubber nozzle

Fig.(2) Rubber nozzle

Fig.(3)

Fig.4 Fig.5

1.Original machine installed (1)Front guide block & (2)Rubber nozzle

2.Accessory packing with (1)Front guide block & (3)Rubber nozzle

3.Important note：

(2)Suitable for buttons size less than 15mm

(3)Suitable for buttons size over than 15mm or convex buttons

4.Suggestion collocation of above, please following the actual situations to change different size of front guide

block and rubber nozzle.

In order to press buttons stability and smoothly on the pin plate, plz use correct demensions of the pin plate for

buttons when replace the pin plate. (Important note. its the best size for the pin plate if all pins in the middle center

position of the button’s hole)

5.Loosen J10 throttling valve to increase the cylinder pressure, meanwhile, the pressing button motor will rise at a

higher speed, but the tightened cylinder pressure is decreased and pressing button motor rises at a slower pace.Fig4 5

6.Pressure control for the spring: For thin buttons, clockwise rotating the spring ,spring’s pressure became bigger.

For thick buttons ,anticlockwise rotating the spring, spring’s pressure became small. Important note : All based on

press buttons smoothly , stability, lower noisy as the standard.(Fig.6)

(6)

11.Press the key “Resetting” to restore the machine to initial state.

Support button sewing machine second time and one time thread trimming function

4. Support second time thread trimming function:

VI. Button Sewing Operations:

Conduct Operations according to the instructions of button sewing machine.

VII. Troubleshooting

1.Buttons do not fall to the proper position

Solution:

1.Check the position of magnetic switch

2.Check the central position of rotating column and button feeding needle plate

3.Check the position of gate

4.Check whether the 24V input terminal of PLC is normal

5.Check 24V power supply

2. Do not feed buttons:

Solution:

1.Check the position of photoelectric switch X6 for automatically feeding buttons

2.Check the position of magnetic switch X0 for lifting engine arm

3.Check

4.Check motherboard-related input terminal

5.Check 24V power supply

the position of magnetic at origin

3. Vibrator does not work

Solution:

1.Check whether the vibration output power supply has voltage

2.Check 485 communication

Button sewing machine(JUKI type):1900 and 1903 series

Proper position for installation of sensor fixing support

Fig.1 Before the button feeder machine sensor is installed Fig.2 After the button feeder machine sensor is installed

Button sewing machine brother type/438D series 438FX siries

Fig.3 Electromagnet connector position(438D) Fig.4 Electromagnet connector position(438FX)

Fig.5 After the sensor is installed(438D/438FX)

Installation method:

the lowest level. Then install the button feeder’s sensor on to the screws. Adjusting to make the

distance between sensor and connector is 0.5mm(Fig.2).

Take the white fastener out of the machine (Fig.1), Adjust the trimming rod to

Installation method:

with the automatic button feeder’s sensor, then connect on the PCB.(Fig.3 4 5)

Before installation, pill out the electromagnet sensor wires, connect together

Brother products: 438HS Series

Installation Position of Sensor Fixing Support

Fig.6 Installation Position of Button Sender Sensor

Installation method:

trimming connecting rod, install button attaching machine sensor in screw hole,

adjust the sensor and connecting rod until the spacing is 0.5mm (sensor light is on),

as shown in Fig. (6). Notes: Don't touch sensor for fear of any damage.

The red circle with the corresponding position of the first punch ,bottom out the

Fig.(7)438HS Electromagnet Socket Position Fig. (8) Installation Position of J28 Broken Needle

Protection Sensor (Protect the Button Attaching Machine)

Installation method:

before installation, pull out the pedal switch wire from socket, shear a red wire,

connect one end with J28 sensor wire and link up the other end with another J28

sensor (Fig. 8), wrap the insulated tape and insert the pedal switch in P8.

Find out pedal switch (Fig. 7) (P8 position) socket of button attaching machine

Indice

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