Powder mixing device for electrode production

Abstract

The utility model relates to the technical field of electrode production, in particular to a powder mixing device for electrode production, which comprises a fixing frame, a mixing barrel is arranged on the inner side of the fixing frame, two adding hoppers for adding powder are arranged on the top surface of the mixing barrel, a stirring shaft is arranged in the mixing barrel, and the stirring shaft is connected with the mixing barrel. A shaft body at the upper end part of the stirring shaft is sleeved with a regular conical material dispersing plate capable of receiving powder added by the two material adding hoppers, and an inner cavity of the mixing barrel is provided with an inverted conical material dispersing plate capable of receiving the powder falling from the regular conical material dispersing plate. Due to the arrangement of the two feeding hoppers, the forward-cone-shaped material dispersing plate and the inverted-cone-shaped material dispersing plate, when materials are added, the rotating forward-cone-shaped material dispersing plate promotes powder on the top face of the forward-cone-shaped material dispersing plate to fall onto the inverted-cone-shaped material dispersing plate in a dispersed mode, then the powder moves towards the stirring shaft under the flow guiding effect of the inverted-cone-shaped material dispersing plate, and the powder is dispersed into the stirring shaft. Then, the materials are scattered again under the action of the rotating stirring shaft body and the blades of the stirring shaft body, the preliminary mixing function is achieved, the subsequent continuous stirring time of the stirring shaft can be shortened, and uniform mixing is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrode production technical field especially is related to a powder mixing device for electrode production. BACKGROUND

[0002] Titanium suboxide ceramic electrode has high chemical and electrochemical stability, superior conductivity and strong corrosion resistance, and has very high stability in strong acid (H2SO4, HNO3, HCl and even HF) and strong alkali solution, and is urgently needed in many fields such as large-scale chemical energy storage and new chemical power supply, high-pollution industrial wastewater treatment, chemical catalysis and material corrosion prevention.

[0003] However, before the production and forming of the titanium suboxide ceramic electrode, the titanium suboxide ceramic powder, the binder, the plasticizer and / or the surfactant need to be mixed according to the predetermined ratio, and the weight percentage of the titanium suboxide ceramic powder is about 90% (i.e. the weight of the titanium suboxide ceramic powder is about 9 times the weight of other powders). Since the titanium suboxide ceramic electrode is a new type of electrode material, there are few related reports on the preparation of titanium suboxide electrode and lack of special mixing device.

[0004] Therefore, we design a powder mixing device for electrode production. CONTENT OF THE UTILITY MODEL

[0005] In order to overcome the deficiencies in the background art, the utility model discloses a powder mixing device for electrode production.

[0006] In order to achieve the above-mentioned utility model purposes, the utility model adopts the following technical scheme:

[0007] A powder mixing device for electrode production, comprising a fixed frame, a mixing cylinder is arranged on the inner side of the fixed frame, and two material adding hoppers for adding powder are arranged on the top surface of the mixing cylinder, a stirring shaft is arranged in the mixing cylinder, a positive conical material distributing plate capable of receiving the powder added by the two material adding hoppers is arranged on the upper end of the stirring shaft, and an inverted conical material distributing plate capable of receiving the powder falling from the positive conical material distributing plate is arranged in the inner cavity of the mixing cylinder.

[0008] Further comprising a driving motor for driving the stirring shaft to rotate.

[0009] Preferably, the mixing cylinder is correspondingly hinged to the top of the inner side of the fixed frame.

[0010] Preferably, the fixed frame is further provided with a telescopic device for driving the mixing cylinder to reciprocate.

[0011] Preferably, the two ends of the telescopic device are correspondingly hinged to the fixed frame and the mixing cylinder respectively.

[0012] Preferably, the fixed end of the telescopic device is fixedly connected to the fixed frame, and the telescopic end is provided with a rolling wheel rolling on the outer wall of the mixing cylinder.

[0013] Preferably, the two material adding hoppers are provided with a plate valve on each opposite side to control the discharging of the material adding hoppers.

[0014] Preferably, the position between the two plate valves on the top surface of the mixing cylinder is provided with a driving assembly for driving the two plate valves to move oppositely or in opposite directions.

[0015] Preferably, the driving assembly is a double-thread sleeve rotatably connected to the top surface of the mixing cylinder, both thread portions of the double-thread sleeve are screwed with a movable screw rod, and the outer end of the movable screw rod is fixedly connected with the corresponding plate valve.

[0016] Preferably, the product of the size ratio of the discharging port of the two material adding hoppers perpendicular to the moving direction of the plate valve and the pitch ratio of the two movable screw rods is 8-10.

[0017] Preferably, the inner wall of the mixing cylinder is provided with a limiting ring, and the large end of the inverted conical material distributing plate is overlapped on the top of the limiting ring.

[0018] Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

[0019] 1. The two material adding hoppers, the normal conical material distributing plate and the inverted conical material distributing plate can make the powder on the top surface of the normal conical material distributing plate fall to the inverted conical material distributing plate under the action of the normal conical material distributing plate during the addition of the material, then move to the stirring shaft under the action of the inverted conical material distributing plate, and then be scattered again under the action of the stirring shaft and the blade, so as to realize the function of preliminary mixing, reduce the continuous stirring time of the subsequent stirring shaft and ensure the uniform mixing.

[0020] 2. The material adding hoppers and the driving assembly can make the titanium suboxide ceramic powder be added into the mixing cylinder at the same time with other powder according to a specific ratio, further improve the uniformity of the preliminary mixing, effectively reduce the continuous stirring time of the subsequent stirring shaft and ensure the uniform mixing. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model;

[0022] Figure 2 It is a top view of the utility model;

[0023] Figure 3 It is a top view of another structure of the utility model;

[0024] Figure 4 It is a right view of the utility model;

[0025] Figure 5 is another structure of the right view of the utility model;

[0026] Figure 6 is Figure 4 A-A sectional view of the utility model;

[0027] Figure 7 is Figure 6 I partial enlarged view of the utility model.

[0028] In the figure: 1, fixed frame;2, mixing cylinder;21, material adding hopper;211, plate valve;22, stirring shaft;23, positive conical bulkhead;24, inverted conical bulkhead;25, limiting ring;3, driving motor;4, telescopic device;5, driving assembly;51, two-way threaded sleeve;52, movable screw rod. DETAILED DESCRIPTION

[0029] The utility model can be explained in detail through the following examples, the purpose of the utility model is disclosed in the utility model range all technical improvements are protected, in the description of the utility model, need understanding is, if there are terms "upper", "lower", "front", "rear", "left", "right" etc. Indicated orientation or positional relationship, only with the drawing of the present application, in order to facilitate the description of the utility model;Need understanding is, if there are terms "end", "side", "end", "side", "transverse", "longitudinal" etc. Indicated orientation or positional relationship, only the length and width of the corresponding component correspond, namely "end" indicates the head and tail area of the length direction of the corresponding component, "side" indicates the head and tail area of the width direction of the corresponding component;In order to facilitate the description of the utility model and not indicate or imply that the device or element referred to must have a particular orientation.

[0030] Example one, combine with the drawing Figures 1-7 A kind of powder mixing device for electrode production, including fixed frame 1, fixed frame 1 inside is equipped with mixing cylinder 2, and mixing cylinder 2 top is equipped with two material adding hoppers 21 for adding powder material, mixing cylinder 2 inside is equipped with stirring shaft 22, and stirring shaft 22 upper end portion shaft body is equipped with the positive conical bulkhead 23 of the powder material that can be received two material adding hoppers 21 addition, mixing cylinder 2 inner chamber is equipped with the inverted conical bulkhead 24 of the powder material that can be received positive conical bulkhead 23 falls;

[0031] Still include the driving motor 3 for driving stirring shaft 22 rotation.

[0032] In the example, since the titanium suboxide ceramic powder is about 9 times the weight of other powders, the two material adding hoppers 21 can be designed as a large material adding hopper and a small material adding hopper, wherein the large material adding hopper is used to add the titanium suboxide ceramic powder, and the small material adding hopper is used to add the other powders.

[0033] In use, firstly, the powder to be mixed is calculated and weighed, then the titanium suboxide ceramic powder is poured into the large hopper, and other powders are poured into the small hopper, then the driving motor 3 is started, the driving motor 3 drives the stirring shaft 22 to rotate, at this time, the powders in the small hopper and the large hopper fall to the top surface of the positive conical scattering plate 23, at this time, the powders on the positive conical scattering plate 23 are rotated and scattered under the action of gravity and centrifugal force, and then the powders on the top surface of the inverted conical scattering plate 24 move to the stirring shaft 22 under the guiding action of the inverted conical scattering plate 24, at this time, the powders are scattered again under the action of the rotating stirring shaft 22 and the blades, and finally the powders are uniformly mixed under the stirring action of the continuously rotating stirring shaft 22.

[0034] Specifically, the mixing cylinder 2 has a detachable top plate at the top and a discharge port with a valve at the bottom.

[0035] According to the need, in order to facilitate the removal of the stirring shaft 22, the positive conical scattering plate 23 and the inverted conical scattering plate 24 from the mixing cylinder 2, a limiting ring 25 is arranged on the inner wall of the mixing cylinder 2, and the large end of the inverted conical scattering plate 24 is lapped on the top of the limiting ring 25.

[0036] Example two, combined with the attached Figures 4-5 A powder mixing device for electrode production, on the basis of example one, in order to ensure uniform mixing of powders under the premise of reducing the stirring time of the stirring shaft 22, the mixing cylinder 2 is correspondingly hinged to the top of the inner side of the fixed frame 1; the fixed frame 1 is also provided with a telescopic device 4 for driving the mixing cylinder 2 to reciprocate.

[0037] According to the need, the telescopic device 4 is an electric telescopic rod, a pneumatic cylinder, etc.

[0038] According to the need, the center axis of the rotation of the mixing cylinder 2 is correspondingly located above the center of gravity, so that when the telescopic device 4 is not in action, the mixing cylinder 2 is in a vertical and upright posture.

[0039] In a possible implementation, combined with the attached Figure 4 The two ends of the telescopic device 4 are correspondingly hinged to the fixed frame 1 and the mixing cylinder 2 respectively.

[0040] In a possible implementation, combined with the attached Figure 5 The fixed end of the telescopic device 4 is correspondingly fixed to the fixed frame 1, and the telescopic end is provided with a rolling wheel rolling on the outer wall of the mixing cylinder 2.

[0041] Example three, combined with the attached Figures 5-7The powder mixing device for electrode production, on the basis of the first or second embodiment, in order to ensure that the powder enters the mixing cylinder 2 according to its weight ratio as far as possible, the two feeding hoppers 21 are provided with plate valves 211 on the opposite sides to control the discharge thereof; the position between the two plate valves 211 on the top surface of the mixing cylinder 2 is provided with a driving assembly 5 for driving the relative or opposite movement of the two plate valves 211.

[0042] According to the need, the sectional area ratio of the discharge ports of the two feeding hoppers 21 is 8-10. Specifically, the sectional area of the discharge port of the large feeding hopper is 8-10 times that of the small feeding hopper.

[0043] In a possible embodiment, in combination with the drawings Figure 7 The driving assembly 5 is a double-direction threaded sleeve 51 rotatably connected to the top surface of the mixing cylinder 2, and the double-direction threaded sleeve 51 is screwed with a movable screw rod 52 at both threaded portions, and the outer end of the movable screw rod 52 is fixedly connected with the corresponding plate valve 211.

[0044] Further, the threaded sleeve 51 is a rod portion, and threaded nuts with opposite screw directions are arranged at both ends of the rod portion, and the movable screw rod 52 is screwed with the corresponding threaded nut. The double-direction threaded sleeve 51 can be driven to rotate by a manual rod at the middle portion thereof.

[0045] The product of the size ratio of the discharge ports of the two feeding hoppers 21 perpendicular to the moving direction of the plate valve 211 and the pitch ratio of the corresponding two movable screw rods 52 is 8-10.

[0046] In a possible example, in combination with the drawings Figure 3 The size of the discharge ports of the two feeding hoppers 21 perpendicular to the moving direction of the plate valve 211 is the same, and the pitch ratio of the two movable screw rods 52 is 8-10. That is, the size of the discharge port of the large feeding hopper perpendicular to the moving direction of the plate valve 211 is the same as that of the small feeding hopper, and the pitch of the movable screw rod 52 corresponding to the large feeding hopper is 8-10 times that of the movable screw rod 52 corresponding to the small feeding hopper.

[0047] In a possible example, in combination with the drawings Figure 2 The size ratio of the discharge ports of the two feeding hoppers 21 perpendicular to the moving direction of the plate valve 211 is 8-10, and the pitches of the two movable screw rods 52 are the same. That is, the size of the discharge port of the large feeding hopper perpendicular to the moving direction of the plate valve 211 is 8-10 times that of the small feeding hopper, and the pitch of the movable screw rod 52 corresponding to the large feeding hopper is the same as that of the movable screw rod 52 corresponding to the small feeding hopper.

[0048] In this example, the driving assembly 5 can also be a double-direction air cylinder.

[0049] In a possible example, the size ratio of the discharge ports of the two feeding hoppers 21 perpendicular to the moving direction of the plate valve 211 is 4-5, and the pitch ratio of the two movable screw rods 52 is 2.

[0050] The utility model is not detailed part of the prior art, for the person skilled in the art, apparently the utility model is not limited to the details of the above exemplary embodiments, and can realize the utility model in other specific forms without departing from the spirit or basic characteristics of the utility model, therefore, no matter from which point, should regard the embodiment as exemplary, and is non-restrictive, aims at including all changes in the meaning and range of equivalent elements in the utility model.

Claims

1. A powder mixing device for electrode production, characterized by: Including fixed frame (1), the inside of fixed frame (1) is equipped with mixing cylinder (2), and the top of mixing cylinder (2) is equipped with two material hoppers (21) for adding powder material, the inside of mixing cylinder (2) is equipped with stirring shaft (22), and the upper end of stirring shaft (22) is equipped with positive conical material distributing plate (23) that can receive the powder material added by two material hoppers (21), the inner cavity of mixing cylinder (2) is equipped with inverted conical material distributing plate (24) that can receive the powder material falling from positive conical material distributing plate (23); It also includes drive motor (3) for driving the rotation of stirring shaft (22).

2. The powder mixing device for electrode production according to claim 1, characterized by: The mixing cylinder (2) is correspondingly hinged to the inside top of the fixed frame (1).

3. The powder mixing device for electrode production according to claim 2, characterized by: The fixed frame (1) is also provided with telescopic device (4) for driving the reciprocating swing of the mixing cylinder (2).

4. The powder mixing device for electrode production according to claim 3, characterized by: The telescopic device (4) is correspondingly hinged to the fixed frame (1) and the mixing cylinder (2) at both ends respectively.

5. The powder mixing device for electrode production according to claim 3, characterized by: The fixed end of telescopic device (4) is correspondingly fixed to the fixed frame (1), and the telescopic end is provided with rolling wheel that rolls on the outer wall of mixing cylinder (2).

6. The powder mixing device for electrode production according to claim 1, characterized by: Two material hoppers (21) are provided with plate valve (211) for controlling the discharge thereof on opposite sides.

7. The powder mixing device for electrode production according to claim 6, characterized by: The position between two plate valves (211) on the top of mixing cylinder (2) is provided with drive assembly (5) for driving two plate valves (211) to move relatively or oppositely.

8. The powder mixing device for electrode production according to claim 7, characterized by: The drive assembly (5) is bidirectional screw sleeve (51) that is rotatably connected to the top of mixing cylinder (2), both screw portions of bidirectional screw sleeve (51) are screwed with movable screw rod (52), and the outer end of movable screw rod (52) is fixedly connected with corresponding plate valve (211).

9. The powder mixing device for electrode production according to claim 8, characterized by: The product of the size ratio of the discharge port of two material hoppers (21) perpendicular to the moving direction of plate valve (211) and the pitch ratio of corresponding two movable screw rods (52) is 8-10.

10. The powder mixing device for electrode production according to claim 1, characterized by: The inner wall of mixing cylinder (2) is provided with limiting ring (25), and the large end of inverted conical material distributing plate (24) is lapped on the top of limiting ring (25).

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