Patent ID: 7431583

Claim:
An injection molding machine, comprising: a heating cylinder; a plasticizing screw arranged in said heating cylinder; a resin supplying hole for supplying resin fed from a resin inlet to said plasticizing screw in said heating cylinder; a sensor having a sensor head inserted into said resin supplying hole from the resin inlet to have a predetermined position in the resin supplying hole for sensing a deposition level of the resin in the resin supplying hole, such that a sensing direction of the sensor head is orientated to an inner surface of the resin supplying hole and to the resin deposited in the resin supplying hole; a sensor mounting member for mounting the sensor head or a cable connected to the sensor head such that the sensor head is fixed at the predetermined position in the resin supplying hole; and adjusting means for adjusting the predetermined position of the sensor head in the resin supplying hole, wherein said adjusting means comprises a slide mechanism provided in said sensor mounting member.