An internal batch mixer is provided with: a casing within which a material is mixed; a door which opens and closes a material discharge opening of the casing by being rotated about the axis thereof and closes the material discharge opening when in a closed state; and a latch mechanism which, when th
An internal batch mixer is provided with: a casing within which a material is mixed; a door which opens and closes a material discharge opening of the casing by being rotated about the axis thereof and closes the material discharge opening when in a closed state; and a latch mechanism which, when the material is mixed in the casing, holds the door in a latched state, the latched state being a state in which the material discharge opening is being closed by the door and cannot be opened, and which, when the material having been mixed in the casing is discharged from the inside of the casing, releases the door from the latched state. The latch mechanism is provided with a linear actuator which has a movable section capable of moving linearly and moves the movable section to the door side to supply power to the latch member, the power causing the latch member to move to the door side, and a linear sensor for measuring the distance of linear movement of the movable section caused by the linear actuator. Information relating to the displacement of the latch member is displayed on a display device on the basis of the distance of linear movement of the movable section measured by the linear sensor.
대표청구항▼
1. An internal batch mixer, comprising: a mixing device for mixing material; anda display device provided outside said mixing device, wherein said mixing device includes:a casing in which the material is mixed and which has a material discharge opening formed to discharge the mixed material;a door w
1. An internal batch mixer, comprising: a mixing device for mixing material; anda display device provided outside said mixing device, wherein said mixing device includes:a casing in which the material is mixed and which has a material discharge opening formed to discharge the mixed material;a door which opens and closes said material discharge opening by rotating around a shaft, and blocks said material discharge opening when it is in a closed state; anda latch mechanism which holds, during mixing of the material within said casing, said door in a latched state, the latched state being a state in which said latch mechanism presses said door to said casing so that said door blocks said material discharge opening and cannot be opened, and which releases the latched state when discharging the material mixed within said casing out of said casing, said latch mechanism includes:a latch member provided to be contactable with said door;a linear actuator which has a linearly-movable moving part and which supplies power to said latch member to direct said latch member to said door side by moving said moving part toward said door; anda linear sensor which measures distance of linear movement of said moving part by said linear actuator, and said display device displays displacement information of said latch member based on the distance of linear movement of said moving part measured by said linear sensor,wherein the internal batch mixer further includes: a storage device which stores a set value relating to the displacement information of said latch member; and an alarm device which compares the displacement information of said latch member in the latched state with the set value, and gives an alarm when the displacement information of said latch member has reached the set value. 2. The internal batch mixer according to claim 1, wherein said storage device is configured so that at least two stages of the set value can be stored for said one linear sensor. 3. The internal batch mixer according to claim 1, wherein said display device doubles as said alarm device and has a function to display the alarm. 4. The internal batch mixer according to claim 3, wherein said display device is configured so as to perform the display of the alarm by changing a display mode of the displacement information of said latch member. 5. An internal batch mixer, comprising: a mixing device for mixing material; anda display device provided outside said mixing device, wherein said mixing device includes:a casing having a mixing chamber inside;a rotor inserted to said mixing chamber; a rotor shaft provided to protrude from a rotor end surface that is an end surface in the axial direction of said rotor; anda dust stop device for arresting leak of the material within said mixing chamber to the outside, and said dust stop device includes:a rotation-side seal member fixed to said rotor end surface to be rotated integrally with said rotor;a ring-like fixed-side seal member through which said rotor shaft is rotatably inserted; anda pressing force imparting mechanism which biases said fixed-side seal member toward said rotor end surface so that said fixed-side seal member is in pressure contact with said rotation-side seal member, and said pressing force imparting mechanism includes:a linear actuator which has a moving part provided to be movable in the axial direction of said rotor, and which biases said fixed-side seal member toward said rotor end surface by moving said moving part toward said rotor end surface; anda linear sensor attached to said linear actuator to detect displacement of said moving part in the axial direction of said rotor, and said display device displays displacement information of said fixed-side seal member based on a detection value by said linear sensor in a state where said fixed-side seal member is in pressure contact with said rotation-side seal member by said pressing force imparting mechanism,wherein the internal batch mixer further includes an alarm device which compares the detection value with a preset set value, and gives an alarm when the detection value has reached the set value. 6. The internal batch mixer according to claim 5, wherein said alarm device is constituted so that at least two stages of the set value can be stored. 7. The internal batch mixer according to claim 5, wherein said display device doubles as said alarm device and has a function to display the alarm. 8. The internal batch mixer according to claim 7, wherein said display device is configured to perform the display of the alarm by changing a display method of the displacement information.
Naoi, Masaki; Ujihara, Toshio; Hagiwara, Katsunobu, Coupling apparatus and kneading equipment having kneading apparatus and drive apparatus coupled together through the coupling apparatus.
Metcalf John D. (Akron OH) Price ; Jr. John W. (Uniontown OH) Rothgery James M. (Mantua OH) Zaucha Ronald J. (Cuyahoga Falls OH), Drop door control for internal mixer.
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