POWDERY MATERIAL MIXING AND FEEDING DEVICE AND COMPRESSION-MOLDING MACHINE INCLUDING THE SAME

• US 20160361885A1
• Filed: 04/12/2016
• Published: 12/15/2016
• Est. Priority Date: 06/15/2015
• Status: Active Grant

• Current Assignee: Kikusui Seisakusyo Limited
• Original Assignee: Kikusui Seisakusyo Limited
• Inventors: OYAMA, Jun, KITAMURA, Naoshige
• Granted Patent: US 10,632,703 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61J 3/10 into the form of compressed tablets tablet presses B30B11/00
• CPC Class Codes: B01F 23/60 Mixing solids with solids
• CPC Class Codes: B01F 27/071 Fixing of the stirrer to the shaft
• CPC Class Codes: B01F 27/0723 oblique with respect to the rotating axis
• CPC Class Codes: B01F 27/0726 having stirring elements connected to the stirrer shaft each by a single radial rod, other than open frameworks
• CPC Class Codes: B01F 27/074 having two or more mixing elements being concentrically mounted on the same shaft
• CPC Class Codes: B01F 27/1142 of the corkscrew type
• CPC Class Codes: B01F 27/192 with dissimilar elements
• CPC Class Codes: B01F 27/60 with stirrers rotating about a horizontal or inclined axis
• CPC Class Codes: B01F 27/70 with paddles, blades or arms
• CPC Class Codes: B01F 27/722 the helices closely surrounded by a casing
• CPC Class Codes: B01F 27/724 with a single helix closely surrounded by a casing
• CPC Class Codes: B01F 27/90 with paddles or arms
• CPC Class Codes: B01F 33/81 Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
• CPC Class Codes: B01F 33/811 in two or more consecutive, i.e. successive, mixing receptacles or being consecutively arranged
• CPC Class Codes: B01F 33/82 Combinations of dissimilar mixers
• CPC Class Codes: B01F 33/821 with consecutive receptacles
• CPC Class Codes: B30B 11/08 co-operating with moulds carried by a turntable
• CPC Class Codes: B30B 15/302 Feeding material in particulate or plastic state to moulding presses

Abstract

A powdery material mixing and feeding device is configured to mix at least two types of powdery materials and to feed a compression-molding machine with the mixed powdery materials. The powdery material mixing and feeding device includes a first mixer configured to rotate about a substantially vertical shaft and to mix the powdery materials, and a reservoir configured to reserve at least a part of the powdery materials, and a second mixer configured to rotate about a substantially horizontal shaft and to mix the powdery materials.

Claims

1. A powdery material mixing and feeding device configured to mix at least two types of powdery materials and to feed a compression-molding machine with the mixed powdery materials, the powdery material mixing and feeding device comprising:

a first mixer including a first mixing member configured to rotate about a substantially vertical shaft and to mix the powdery materials, and a reservoir configured to reserve at least a part of the powdery materials; and

a second mixer including a second mixing member configured to rotate about a substantially horizontal shaft and to mix the powdery materials.

2. The powdery material mixing and feeding device according to claim 1, further comprising:

a plurality of measuring feeders each configured to measure and feed a powdery material,

wherein the measuring feeders each feed at least one of the first mixer and the second mixer with the measured powdery material.

3. The powdery material mixing and feeding device according to claim 1, wherein the reservoir includes a powdery material passing member including a plurality of bores.

4. The powdery material mixing and feeding device according to claim 2, wherein the reservoir includes a powdery material passing member including a plurality of bores.

6. The powdery material mixing and feeding device according to claim 1, further comprising:

a measuring feeder configured to measure and feed a lubricant,

wherein the measuring feeder feeds the second mixer with the measured lubricant.

7. The powdery material mixing and feeding device according to claim 3, further comprising:

a measuring feeder configured to measure and feed a lubricant,

wherein the measuring feeder feeds the second mixer with the measured lubricant.

9. A compression molding machine, comprising:

a table including a vertically penetrating die bore, a slidable lower punch including an upper end inserted to the die bore, and a slidable upper punch including a lower end inserted to the die bore; and

the powdery material mixing and feeding device according to claim 1.

10. A compression molding machine, comprising:

a table including a vertically penetrating die bore, a slidable lower punch including an upper end inserted to the die bore, and a slidable upper punch including a lower end inserted to the die bore; and

the powdery material mixing and feeding device according to claim 2.

11. A compression molding machine, comprising:

a table including a vertically penetrating die bore, a slidable lower punch including an upper end inserted to the die bore, and a slidable upper punch including a lower end inserted to the die bore; and

the powdery material mixing and feeding device according to claim 3.

12. A compression molding machine, comprising:

a table including a vertically penetrating die bore, a slidable lower punch including an upper end inserted to the die bore, and a slidable upper punch including a lower end inserted to the die bore; and

the powdery material mixing and feeding device according to claim 4.

14. A compression molding machine, comprising:

a table including a vertically penetrating die bore, a slidable lower punch including an upper end inserted to the die bore, and a slidable upper punch including a lower end inserted to the die bore; and

the powdery material mixing and feeding device according to claim 6.

15. A compression molding machine, comprising:

a table including a vertically penetrating die bore, a slidable lower punch including an upper end inserted to the die bore, and a slidable upper punch including a lower end inserted to the die bore bore ; and

the powdery material mixing and feeding device according to claim 7.

5. A powdery material mixing and feeding device configured to mix at least two types of powdery materials and to feed a compression-molding machine with the mixed powdery materials, the powdery material mixing and feeding device comprising:

a first mixer including a first mixing member configured to rotate about a substantially vertical shaft and to mix the powdery materials; and

a second mixer including a plurality of second mixing members each configured to rotate about a substantially horizontal shaft and to mix the powdery materials.

8. The powdery material mixing and feeding device according to claim 5, further comprising:

a measuring feeder configured to measure and feed a lubricant,

wherein the measuring feeder feeds the second mixer with the measured lubricant.

13. A compression molding machine, comprising:

a table including a vertically penetrating die bore, a slidable lower punch including an upper end inserted to the die bore, and a slidable upper punch including a lower end inserted to the die bore; and

the powdery material mixing and feeding device according to claim 5.

16. A compression molding machine, comprising:

a table including a vertically penetrating die bore, a slidable lower punch including an upper end inserted to the die bore, and a slidable upper punch including a lower end inserted to the die bore bore; and

the powdery material mixing and feeding device according to claim 8.

17. A method of producing mixed powdery materials with a powdery material mixing and feeding device configured to mix at least two types of powdery materials and to feed a compression-molding machine with the mixed powdery materials, the method comprising:

measuring and feeding the powdery materials;

firstly mixing the at least two types of powdery materials measured and fed in the measuring and feeding with a first mixing member configured to rotate about a substantially vertical shaft; and

secondly mixing the powdery materials subjected to the first mixing with a second mixing member configured to rotate about a substantially horizontal shaft.

18. The method of producing mixed powdery materials according to claim 17, wherein the first mixing includes reserving at least a part of the powdery materials to be mixed.

19. The method of producing mixed powdery materials according to claim 17, further comprising simultaneously measuring and feeding a lubricant.

20. The method of producing mixed powdery materials according to claim 18, further comprising simultaneously measuring and feeding a lubricant.