Tantalum powder mixing equipment

By designing an automated tantalum powder mixing device, the problems of uneven powder mixing, low heating efficiency and inaccurate temperature control were solved, and uniform mixing and precise temperature control of tantalum powder were achieved, which is suitable for the capacitor preparation process.

CN223381518UActive Publication Date: 2025-09-26CHINA ZHENHUA GRP XINYUN ELECTRONICS COMP ANDDEV CO LTD
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202422552887.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-22
Publication Date
2025-09-26
Estimated Expiration
2034-10-22

AI Technical Summary

Technical Problem

Existing tantalum powder mixing equipment has problems such as uneven powder mixing, low heating efficiency, inaccurate temperature control and inconvenient cleaning.

Method used

A tantalum powder mixing equipment consisting of a cabinet, a control system and a powder mixing assembly was designed. The rotation speed and tilt angle of the powder mixing tank were adjusted by the control system. Combined with the prismatic boss structure, uniform mixing of tantalum powder was achieved, and the temperature was precisely controlled by a liquid circulation heating and cooling system.

Benefits of technology

The method realizes the automation, uniform mixing and precise temperature control of tantalum powder, improves the automation level and mixing effect of powder mixing equipment, and is suitable for the capacitor preparation process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223381518U_ABST
    Figure CN223381518U_ABST
Patent Text Reader

Abstract

The utility model discloses tantalum powder mixing equipment which comprises a cabinet, a control system and a powder mixing assembly, the control system and the powder mixing assembly are respectively connected with the cabinet, a cabinet door is arranged on the cabinet, the cabinet door is hinged to the cabinet, universal wheels are arranged at the bottom of the cabinet, and a wiring hole is formed in the top of the cabinet. A corresponding powder mixing program is set through the control system, and the rotating speed and the inclination angle of the powder mixing tank are controlled through the powder mixing assembly, so that tantalum powder of different weights can be mixed conveniently. And through the arrangement of the prismatic bosses, the stirring uniformity of the tantalum powder can be improved. The device has the advantages of being high in automation degree, uniform in mixing, reasonable in temperature control and the like, and is suitable for tantalum powder mixing in the capacitor preparation process.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the field of powder mixing devices, in particular to tantalum powder mixing equipment. Background Art

[0002] The existing tantalum powder mixing process in capacitor manufacturing involves pouring the tantalum powder and solvent into a stainless steel or glass barrel and rotating it with an external rotating mechanism to achieve the powder mixing. During rotation, the tantalum powder and solvent are heated by electric radiation and electric heat. However, this operation has drawbacks such as uneven powder mixing, slow electric radiation heating efficiency, and inaccurate temperature control. Therefore, a powder mixing device that can automatically perform powder mixing and has high temperature control accuracy is needed.

[0003] Patent document CN116099432A discloses a raw material grinding and mixing device for chip tantalum capacitor processing, comprising a mixing cylinder, legs provided at the four corners of the bottom end of the mixing cylinder, a grinding cylinder provided at the top end of the mixing cylinder, and a grinding and mixing mechanism provided inside the mixing cylinder for grinding and mixing the raw materials. The grinding and mixing mechanism includes a driving mechanism, a liquid adding mechanism, and a dispersing mechanism. The driving mechanism is provided inside the mixing cylinder and the grinding cylinder; the dispersing mechanism is provided inside the mixing cylinder and is used to disperse the ground raw material particles. The patent enables the alternating quantitative addition of tantalum powder and organic solvent from different directions through the reciprocating motion of a telescopic plate, but the device does not have a powder mixing temperature adjustment component, and the device is relatively inconvenient to clean after mixing the powder.

[0004] Patent document CN219804499U discloses a tungsten powder mixer comprising a tank, a fixed frame, a first stirring section, multiple second stirring sections, a connecting section, and a transport section. The tank is a hollow tank with its upper surface fixedly connected to the fixed frame. A feeding port is provided on the upper end of the tank, and the lower end of the tank is connected to the transport section. The upper end of the first stirring section is fixedly connected to the fixed frame, and its lower end penetrates through the upper surface of the tank and is inserted into the tank. The upper end of the second stirring section is rotatably connected to the fixed frame, and its lower end penetrates through the upper surface of the tank and is inserted into the tank. The second stirring section is rotatably connected to the first stirring section via a connecting section. This patent allows for thorough mixing of tungsten powder while ensuring the purity of the mixed tungsten powder. However, the mixer lacks a tank tilt angle adjustment component, which may affect the uniformity of mixing powders of varying weights. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a tantalum powder mixing device.

[0006] The utility model is achieved through the following technical solutions.

[0007] The utility model provides a tantalum powder mixing device, which includes a cabinet, a control system and a powder mixing component. The control system and the powder mixing component are respectively connected to the cabinet. A cabinet door is provided on the cabinet, and the cabinet door is hinged to the cabinet. Universal wheels are provided at the bottom of the cabinet, and wiring holes are provided at the top of the cabinet.

[0008] Preferably, the powder mixing assembly includes a support frame A, a rotating device, a tilting device and a powder mixing tank. The support frame A is connected to the cabinet, the support frame A is hinged to the rotating device, the rotating device is connected to the powder mixing tank, and the tilting device is connected to the rotating device through the support frame A.

[0009] Preferably, the rotating device includes a support frame B, a motor A and a support frame D. The two ends of the support frame B are respectively hinged to the support frame A. The motor A is arranged on the support frame B. The output shaft of the motor A passes through the support frame B and is connected to the gear A. The support frame D is connected to the support frame B through the rotating shaft A. The rotating shaft A is provided with a gear B. One end of the rotating shaft A is connected to the powder mixing tank. The gear B is connected to the gear A through a toothed belt A.

[0010] Preferably, the powder mixing tank is cylindrical, a sealing cover is provided on the powder mixing tank, a prismatic boss is provided on the inner wall of the bottom of the powder mixing tank, the powder mixing tank includes an interlayer and an inner sleeve, the interlayer and the inner sleeve are connected, and the prismatic boss is provided on the inner wall of the bottom.

[0011] Preferably, one side of the support frame D is connected to the support frame B through a fixed frame, and a protective shell A and a support rod A are provided on the support frame B. The protective shell A is connected to the support frame B, and the protective shell A covers the gear A, the rotating shaft A, the gear B and the toothed belt A. One end of the support rod A is connected to the support frame B, and the other end of the support rod A is connected to the inner wall of the protective shell A.

[0012] Preferably, the tilting device includes a fixed plate A, a motor B and a gear F. The fixed plate A is connected to the inner wall of the cabinet, the motor B is connected to one side of the fixed plate A, the output shaft of the motor B passes through the fixed plate A and is connected to the gear C. The fixed plate A is rotatably connected to the gear D and the gear E. The gear F is connected to the support frame A through the rotating shaft B. The gear F is respectively connected to the gear C, the gear D and the gear E through the toothed belt B. The toothed belt B passes through the top surface of the cabinet, and the other end of the rotating shaft B is hinged to the support frame B of the rotating device.

[0013] Preferably, the tilting device includes a protective shell B and a support rod B. The protective shell B is connected to the support frame A and covers the toothed belt B and the gear F. One end of the support rod B is connected to the support frame A, and the other end of the support rod B is connected to the inner wall of the protective shell B.

[0014] Preferably, the control system includes a support frame C and a control host. The control host is connected to the cabinet through the support frame C, and a signal sending device is provided on the control host.

[0015] Preferably, a partition and a radiator are provided in the cabinet, and a groove is provided on one side of the cabinet, and the groove is located on the side close to the powder mixing component.

[0016] The beneficial effects of the present invention are:

[0017] This utility model uses a control system to set the corresponding powder mixing program, and uses a powder mixing assembly to control the rotation speed and tilt angle of the mixing tank to achieve the desired mixing of tantalum powders of varying weights. The provision of prismatic bosses improves the uniformity of tantalum powder mixing. This utility model offers advantages such as a high degree of automation, uniform mixing, and optimal temperature control, making it suitable for tantalum powder mixing in capacitor manufacturing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 It is a structural diagram of the utility model;

[0020] Figure 3 It is a structural diagram of the rotating device of the utility model;

[0021] Figure 4 It is a structural diagram of the tilting device of the utility model;

[0022] Figure 5 This is a schematic structural diagram of the powder mixing tank of the utility model;

[0023] In the figure: 1-cabinet, 11-cabinet door, 12-universal wheel, 13-wiring hole, 14-partition, 15-radiator, 16-groove, 2-control system, 21-support frame C, 22-control host, 23-signal sending device, 3-powder mixing component, 31-support frame A, 4-rotating device, 41-support frame B, 42-motor A, 43-support frame D, 44-gear A, 45-rotating shaft A, 46-gear B, 47-toothed belt A, 48-fixed frame, 49-protective shell A, 410-support rod A, 411-hydraulic rotary joint, 5-tilting device, 51-fixed plate A, 52-motor B, 53-gear C, 54-gear D, 55-gear E, 56-gear F, 57-rotating shaft B, 58-toothed belt B, 59-protective shell B, 510-support rod B, 6-powder mixing tank, 61-sealing cover, 62-prismatic boss, 63-interlayer, 64-inner sleeve. DETAILED DESCRIPTION

[0024] The technical solution of the present invention is further described below, but the scope of protection claimed is not limited to the described solution.

[0025] Example:

[0026] like Figures 1 to 5 As shown, a tantalum powder mixing device includes a cabinet 1, a control system 2 and a powder mixing component 3. The control system 2 and the powder mixing component 3 are respectively connected to the cabinet 1. A cabinet door 11 is provided on the cabinet 1, and the cabinet door 11 is hinged to the cabinet 1. A universal wheel 12 is provided at the bottom of the cabinet 1, and a wiring hole 13 is provided at the top of the cabinet 1.

[0027] The powder mixing assembly 3 includes a support frame A31, a rotating device 4, a tilting device 5 and a powder mixing tank 6. The support frame A31 is connected to the cabinet 1, the support frame A31 is hinged to the rotating device 4, the rotating device 4 is connected to the powder mixing tank 6, and the tilting device 5 is connected to the rotating device 4 through the support frame A31.

[0028] The rotating device 4 includes a support frame B41, a motor A42 and a support frame D43. The two ends of the support frame B41 are respectively hinged to the support frame A31. The motor A42 is arranged on the support frame B41. The output shaft of the motor A42 passes through the support frame B41 and is connected to the gear A44. The support frame D43 is connected to the support frame B41 through a rotating shaft A45. One end of the rotating shaft A45 is connected to the hydraulic rotary joint 411. The liquid in the interlayer 63 can enter the hydraulic rotary joint 411 through the pipeline via the rotating shaft A45, and then flow out to the liquid constant temperature box to maintain the fluidity and temperature of the liquid during the powder mixing process. A gear B46 is set on the rotating shaft A45. One end of the rotating shaft A45 is connected to the powder mixing tank 6. The gear B46 is connected to the gear A44 through a toothed belt A47.

[0029] The powder mixing tank 6 is cylindrical and equipped with a sealing cap 61 to prevent powder spillage during mixing. Several symmetrical prismatic projections 62 are symmetrically arranged on the inner wall of the bottom of the mixing tank 6 to improve powder mixing uniformity. The mixing tank 6 includes an interlayer 63 and an inner sleeve 64, which are connected to each other. The prismatic projections 62 are arranged on the inner wall of the bottom, leaving a cavity between the interlayer 63 and the inner sleeve 64. The interlayer 63 is provided with a liquid input and output port to facilitate the input of high-temperature liquid to heat the inner sleeve 64. The mixing tank 6 can be made of stainless steel for easy heating. A hydraulic rotary joint 411 circulates liquid from the heating and cooling liquid thermostats through the interlayer 63, thereby heating or cooling the mixing tank 6 to the desired process temperature. The tank body of the mixing tank 6 is designed to facilitate cleaning after powder mixing.

[0030] One side of the support frame D43 is connected to the support frame B41 through the fixing frame 48. A protective shell A49 and a support rod A410 are set on the support frame B41. The protective shell A49 is connected to the support frame B41. The protective shell A49 covers the gear A44, the rotating shaft A45, the gear B46 and the toothed belt A47. One end of the support rod A410 is connected to the support frame B41, and the other end of the support rod A410 is connected to the inner wall of the protective shell A49.

[0031] The motor A42 drives the gear A44 to rotate, and the gear A44 drives the gear B46 to rotate through the toothed belt A47, thereby driving the rotating shaft A45 and the powder mixing tank 6 to rotate and connect. The setting of the fixing frame 48 further stabilizes the hydraulic rotary joint 411.

[0032] The tilting device 5 includes a fixed plate A51, a motor B52 and a gear F56. The fixed plate A51 is connected to the inner wall of the cabinet 1, and the motor B52 is connected to one side of the fixed plate A51. The output shaft of the motor B52 passes through the fixed plate A51 and is connected to the gear C53. The fixed plate A51 rotates to connect the gear D54 and the gear E55. The gear F56 is connected to the support frame A31 through the rotating shaft B57. The gear F56 is respectively connected to the gear C53, the gear D54 and the gear E55 through the toothed belt B58. The toothed belt B58 passes through the top surface of the cabinet 1. The other end of the rotating shaft B57 is hinged to the support frame B41 of the rotating device 4.

[0033] The tilting device 5 includes a protective shell B59 and a support rod B510. The protective shell B59 is connected to the support frame A31 and covers the toothed belt B58 and the gear F56. One end of the support rod B510 is connected to the support frame A31, and the other end of the support rod B510 is connected to the inner wall of the protective shell B59.

[0034] By starting the motor B52 to rotate, the gear C53 is driven to rotate, and then the gear D54, gear E55, and gear F56 are driven to rotate through the toothed belt B58, and then the rotating shaft B57 is driven to rotate. The rotating shaft B57 drives the support frame B41 to rotate, and then the tilt angle of the powder mixing tank 6 is adjusted to meet the mixing needs of tantalum powders of different weights, so that the powder mixing tank 6 can pour out the powder.

[0035] Motor A42 and motor B52 can be servo motors or stepper motors, and other types of motors can also be selected according to actual conditions.

[0036] The control system 2 includes a support frame C21 and a control host 22 . The control host 22 is connected to the cabinet 1 via the support frame C21 . A signal sending device 23 is provided on the control host 22 .

[0037] A partition 14 and a radiator 15 are provided in the cabinet 1. Corresponding electromechanical equipment can be provided in the cabinet 1, and internal heat is discharged through the radiator 15. A groove 16 is provided on one side of the cabinet 1. The groove 16 is located on the side close to the powder mixing component 3 and below the powder mixing tank 6, so that the equipment receiving the mixed powder can be pushed below the powder mixing tank 6, thereby facilitating the pouring of powder from the powder mixing tank 6.

Claims

1. A tantalum powder mixing device, characterized by: The invention comprises a cabinet (1), a control system (2) and a powder mixing component (3), wherein the control system (2) and the powder mixing component (3) are respectively connected to the cabinet (1); a cabinet door (11) is provided on the cabinet (1), the cabinet door (11) is hinged to the cabinet (1); a universal wheel (12) is provided at the bottom of the cabinet (1); and a wiring hole (13) is provided at the top of the cabinet (1).

2. The tantalum powder mixing device according to claim 1, characterized in that: The powder mixing assembly (3) comprises a support frame A (31), a rotating device (4), a tilting device (5) and a powder mixing tank (6); the support frame A (31) is connected to the cabinet (1); the support frame A (31) is hinged to the rotating device (4); the rotating device (4) is connected to the powder mixing tank (6); and the tilting device (5) is connected to the rotating device (4) via the support frame A (31).

3. The tantalum powder mixing device according to claim 2, characterized in that: The rotating device (4) comprises a support frame B (41), a motor A (42) and a support frame D (43). Both ends of the support frame B (41) are hinged to the support frame A (31) respectively. The motor A (42) is arranged on the support frame B (41). The output shaft of the motor A (42) passes through the support frame B (41) and is connected to the gear A (44). The support frame D (43) is connected to the support frame B (41) through a rotating shaft A (45). A gear B (46) is arranged on the rotating shaft A (45). One end of the rotating shaft A (45) is connected to the powder mixing tank (6). The gear B (46) is connected to the gear A (44) through a toothed belt A (47).

4. The tantalum powder mixing device according to claim 2, characterized in that: The powder mixing tank (6) is cylindrical, a sealing cover (61) is provided on the powder mixing tank (6), a prismatic boss (62) is provided on the inner wall of the bottom of the powder mixing tank (6), the powder mixing tank (6) comprises an interlayer (63) and an inner sleeve (64), the interlayer (63) and the inner sleeve (64) are connected, and the prismatic boss (62) is provided on the inner wall of the bottom.

5. The tantalum powder mixing device according to claim 3, characterized in that: One side of the support frame D (43) is connected to the support frame B (41) through a fixing frame (48). A protective shell A (49) and a support rod A (410) are provided on the support frame B (41). The protective shell A (49) is connected to the support frame B (41). The protective shell A (49) covers the gear A (44), the rotating shaft A (45), the gear B (46) and the toothed belt A (47). One end of the support rod A (410) is connected to the support frame B (41), and the other end of the support rod A (410) is connected to the inner wall of the protective shell A (49).

6. The tantalum powder mixing device according to claim 2, characterized in that: The tilting device (5) comprises a fixed plate A (51), a motor B (52) and a gear F (56), wherein the fixed plate A (51) is connected to the inner wall of the cabinet (1), the motor B (52) is connected to one side of the fixed plate A (51), the output shaft of the motor B (52) passes through the fixed plate A (51) and is connected to the gear C (53), the fixed plate A (51) is rotatably connected to the gear D (54) and the gear E (55), the gear F (56) is connected to the support frame A (31) through the rotating shaft B (57), the gear F (56) is respectively connected to the gear C (53), the gear D (54) and the gear E (55) through the toothed belt B (58), the toothed belt B (58) passes through the top surface of the cabinet (1), and the other end of the rotating shaft B (57) is hinged to the support frame B (41) of the rotating device (4).

7. The tantalum powder mixing device according to claim 6, characterized in that: The tilting device (5) includes a protective shell B (59) and a support rod B (510). The protective shell B (59) is connected to the support frame A (31) and covers the toothed belt B (58) and the gear F (56). One end of the support rod B (510) is connected to the support frame A (31), and the other end of the support rod B (510) is connected to the inner wall of the protective shell B (59).

8. The tantalum powder mixing device according to claim 1, characterized in that: The control system (2) comprises a support frame C (21) and a control host (22). The control host (22) is connected to the cabinet (1) via the support frame C (21). A signal sending device (23) is provided on the control host (22).

9. The tantalum powder mixing device according to claim 1, characterized in that: A partition (14) and a radiator (15) are provided in the cabinet (1), and a groove (16) is provided on one side of the cabinet (1), and the groove (16) is located on the side close to the powder mixing component (3).

Citation Information

Patent Citations

  • Raw material grinding and mixing device for chip tantalum capacitor processing

    CN116099432A

  • Tungsten powder mixing machine

    CN219804499U