CN217313224U

CN217313224U - Powder premixer

Info

Publication number: CN217313224U
Application number: CN202123301101.7U
Authority: CN
Inventors: 翟伟伟; 崔吉福; 王超; 史铭立; 李宗颜; 梁欢欢
Original assignee: Qingdao Penghai Software Co ltd
Current assignee: Qingdao Penghai Software Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-08-30
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses a powder premixing machine, which has the technical scheme that the powder premixing machine comprises a mixing barrel which is a round barrel and has a vertical axis; the stirring shaft is rotationally connected to the top of the mixing barrel and extends into the mixing barrel; a mixing hopper disposed within the mixing tub; the feeding pipes are arranged in plurality and fixedly connected to the top of the mixing barrel; the dispersion disc is fixedly connected to the stirring shaft; the stirring rods are provided with a plurality of stirring rods, are fixedly connected to the outer side of the stirring shaft and are positioned below the dispersion disc; the discharge pipe is fixedly connected to the bottom of the mixing barrel; a plurality of feeder hoppers send into the mixing hopper in the middle of with different powder coating respectively, mix preliminary premixing in the middle of all, then in the dispersion dish passes through centrifugal force dispersion band blending drum, the limit is fed into while mixing, has improved mixing efficiency and has also made the mixture more even.

Description

Powder premixer

Technical Field

The utility model relates to a technical field that the powder mixes, more specifically the saying so, it relates to a powder premixer.

Background

The surface of a multi-machine processed product needs to be sprayed with a layer of coating for corrosion prevention and the like, and powder coating is one of the most common coating materials.

When powder spraying is carried out, different powder coatings are required to be mixed according to a certain proportion and then used; when current powder coating mixes, mostly all put into the premixer respectively with different powder coating in the middle of, then mix again, mix after different powder coating piles are in the same place again for the low and inhomogeneous problem of mixing appears easily of mixing efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a powder premixer, a plurality of feeder hoppers send into the mixing hopper in the middle of with different powder coating respectively, mix in the middle of all tentatively premixing, then in the rethread dispersion dish passes through centrifugal force dispersion band mixing drum, and the limit is fed and is mixed, has improved mixing efficiency and has also made the mixture more even.

In order to achieve the above purpose, the utility model provides a following technical scheme: a powder premixer comprises a mixing barrel, a powder feeding device and a powder feeding device, wherein the mixing barrel is a barrel and has a vertical axis;

the stirring shaft is rotationally connected to the top of the mixing barrel and extends into the mixing barrel, and the stirring shaft and the mixing barrel are coaxially arranged;

the mixing hopper is arranged in the mixing barrel, the top of the mixing hopper is fixedly connected to the top of the inner cavity of the mixing barrel, the mixing hopper is a circular truncated cone-shaped pipe, the large-diameter end of the mixing hopper is positioned at the top of the mixing hopper, and the mixing hopper and the stirring shaft are coaxially arranged;

the feeding pipes are arranged in plurality and fixedly connected to the top of the mixing barrel, communicated with the mixing hopper and distributed around the axis of the mixing hopper;

the dispersion disc is fixedly connected to the stirring shaft, is a circular disc, is coaxial with the stirring shaft and is positioned at the bottom of the mixing hopper;

the stirring rods are provided with a plurality of stirring rods, are fixedly connected to the outer side of the stirring shaft and are positioned below the dispersion disc;

and the discharge pipe is fixedly connected to the bottom of the mixing barrel.

By adopting the technical scheme, the plurality of feed hoppers respectively feed different powder coatings into the mixing hopper, the powder coatings are preliminarily premixed during mixing, then are finally mixed by the dispersing disc, the centrifugal force dispersing belt and the mixing barrel and the stirring rod in the dispersing barrel; along with the process of feeding, carry out premixing, dispersion and stirring to individual powder coating, improved powder coating's mixing efficiency and make the mixture more even.

The utility model discloses further set up to: the (mixing) shaft outside fixedly connected with mixes the board in advance, mixes the board in advance and divide into the multiunit, and the multiunit mixes the board in advance and arranges along vertical direction, and each group includes two and mixes the board in advance and set up for the axis symmetry of (mixing) shaft, mixes the length direction of board in advance and sets up and mix the board in advance and keep away from the one end and the mixing bucket inner wall contact of (mixing) shaft along the radial direction of (mixing) shaft.

The utility model discloses further set up to: a plurality of dispersion tanks have been seted up at the top of dispersion impeller, and the length direction of dispersion tank sets up and a plurality of dispersion tanks evenly arrange around the axis of dispersion impeller along the radial direction of dispersion impeller, and a plurality of dispersion tanks communicate each other near the one end of dispersion impeller axis, and the dispersion impeller is run through to the direction of dispersion tank orientation keeping away from the dispersion impeller axis.

The utility model discloses further set up to: the dispersion impeller outside fixedly connected with a plurality of length direction along the dispersion impeller dispersion pole that radial direction set up, the top and the bottom fixedly connected with a plurality of auxiliary rods of arranging along dispersion length direction of dispersion pole, the vertical setting of auxiliary rod.

The utility model discloses further set up to: a dispersing rod is arranged below one end of each dispersing groove far away from the axis of the dispersing disc.

The utility model discloses further set up to: still include the stirring board, the stirring board is provided with a plurality ofly and fixed connection in the (mixing) shaft outside, and the bottom of stirring board is laminated with the bottom of blending hopper inner chamber.

The utility model discloses further set up to: still include the feeder hopper, each feeder hopper bottom all fixedly connected with connecting pipe, feeder hopper and a plurality of inlet pipe one-to-one, the connecting pipe of feeder hopper bottom can insert in the middle of the inlet pipe and with inlet pipe threaded connection, all be provided with the control switch of control connecting pipe switch on each connecting pipe.

To sum up, the utility model discloses compare and have following beneficial effect in prior art: the utility model discloses in, a plurality of feeder hoppers send into the powder coating of difference respectively in the middle of the mixing hopper, mix in the middle of all tentatively premixing, then in the rethread dispersion dish passes through centrifugal force dispersion band mixing drum, the limit is fed and is mixed, has improved mixing efficiency and has also made the mixture more even.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a cross-sectional view of the embodiment with the support rod removed;

FIG. 3 is a schematic view of an embodiment embodying a dispersion tank;

fig. 4 is an enlarged schematic view of a portion a of fig. 3.

In the figure: 1. a mixing barrel; 11. a support bar; 12. a feed pipe; 13. a discharge pipe; 2. a mixing hopper; 3. a stirring shaft; 31. a pre-mix plate; 32. a stirring rod; 33. a stirring plate; 4. a dispersion tray; 41. a dispersion tank; 5. a dispersion rod; 51. an auxiliary lever; 6. a feed hopper; 61. and (4) connecting the pipes.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustrating the present invention and not for limiting the present invention.

The present invention will be further described with reference to the accompanying drawings and preferred embodiments.

Example (b): a powder premixer, refer to the attached

drawings

1, 2, 3 and 4, which comprises a mixing barrel 1 which is arranged in a barrel shape and has a vertical axis, a stirring shaft 3 which is rotatably connected to the top of the mixing barrel 1 and extends into the mixing barrel 1, a motor which is fixed to the top of the mixing barrel 1 and is used for driving the stirring shaft 3 to rotate, a mixing bucket 2 which is arranged in the mixing barrel 1 and is fixedly connected to the top of an inner cavity of the mixing barrel 1, a plurality of feeding pipes 12 which are fixedly connected to the top of the mixing barrel 1, a dispersion disc 4 which is fixedly connected to the stirring shaft 3 and is positioned at the bottom of the mixing bucket 2, a plurality of stirring rods 32 which are fixedly connected to the outer side of the stirring shaft 3 and are positioned below the dispersion disc 4, a discharging pipe 13 which is fixedly connected to the bottom of the mixing barrel 1, and a plurality of supporting rods 11 which are fixedly connected to the bottom of the mixing barrel 1 and are used for supporting the mixing barrel 1; specifically, the stirring shaft 3 and the mixing barrel 1 are coaxially arranged, the mixing hopper 2 is a circular truncated cone-shaped pipe, the large-diameter end of the circular truncated cone-shaped pipe is positioned at the top, and the circular truncated cone-shaped pipe and the stirring shaft 3 are coaxially arranged; a plurality of feed pipes 12 are provided around the axis of the mixing hopper 2 and communicate with the mixing hopper 2, the plurality of feed pipes 12 being located at a position near the outside of the top of the mixing hopper 2. The dispersion plate 4 is a circular disk and is coaxial with the stirring shaft 3, and is positioned at the bottom of the mixing hopper 2.

Different powder coatings are fed into the mixing hopper 2 through different feeding pipes 12, the powder coatings gradually slide downwards along the inclined plane of the inner wall of the mixing hopper 2, and in the sliding process, different powders are mixed together due to the fact that the diameter of the mixing hopper 2 is reduced, and therefore first-step premixing is achieved; then the powder falls onto the dispersion plate 4, under the centrifugal force of the dispersion plate 4, the powder is separated from the dispersion plate 4 in different directions, the dispersion plate 4 uniformly disperses the powder falling thereon to realize the second premixing, and then the powder is finally mixed by the stirring rod 32.

The (mixing) shaft 3 outside fixedly connected with mixes the board 31 in advance, mixes the board 31 in advance and divide into the multiunit, and multiunit mixes the board 31 in advance and arranges along vertical direction, and each group includes two and mixes the board 31 in advance and sets up for the axis symmetry of (mixing) shaft 3, mixes the length direction of board 31 in advance and sets up and mix the one end that board 31 kept away from (mixing) shaft 3 in advance and mix 2 inner wall contacts with the mixing bucket. The premixing plate 31 can mix the powder entering the mixing hopper 2, thereby improving the effect of the first premixing.

Specifically, a plurality of dispersion tanks 41 have been seted up at the top of dispersion impeller 4, and the length direction of dispersion tank 41 sets up and a plurality of dispersion tanks 41 evenly arrange around the axis of dispersion impeller 4 along the radial direction of dispersion impeller 4, and a plurality of dispersion tanks 41 communicate each other near the one end of dispersion impeller 4 axis, and dispersion tank 41 runs through dispersion impeller 4 towards the direction of keeping away from dispersion impeller 4 axis.

The dispersion impeller 4 outside fixedly connected with a plurality of length direction along the dispersion rod 5 that the radial direction of dispersion impeller 4 set up, the top and the bottom fixedly connected with a plurality of auxiliary rods 51 of arranging along dispersion length direction of dispersion rod 5, the vertical setting of auxiliary rod 51. The dispersing rod 5 and the auxiliary rod 51 can continue to mix the powder dispersed from the dispersing plate 4, further improving the mixing efficiency. Specifically, a dispersing rod 5 is provided below one end of each dispersing slot 41 away from the axis of the dispersing plate 4.

Specifically, this embodiment still includes stirring board 33, and stirring board 33 is provided with a plurality ofly and fixed connection in the (mixing) shaft 3 outside, and the bottom of stirring board 33 is laminated with the bottom of 1 inner chamber of blending tank.

Specifically, this embodiment still includes a plurality of feeder hoppers 6, and every feeder hopper 6 bottom all fixedly connected with connecting pipe 61, a plurality of feeder hoppers 6 and a plurality of inlet pipe 12 one-to-one, the connecting pipe 61 of feeder hopper 6 bottom can insert in the middle of the inlet pipe 12 and with inlet pipe 12 threaded connection, all be provided with the control switch of control connecting pipe 61 switch on each connecting pipe 61. During feeding, different powder coatings are weighed according to the proportion and then are placed into different feed hoppers 6, the connecting pipes 61 are closed at the moment, and then the different connecting pipes 61 are fixed on different feed pipes 12; all feed pipes 12 are opened simultaneously so that different powder coatings enter the mixing hopper 2 simultaneously.

The working principle of the powder premixer in use is as follows: different powder coatings are fed into the mixing hopper 2 through different feeding pipes 12, the powder coatings gradually slide downwards along the inclined plane of the inner wall of the mixing hopper 2, different powders are mixed together due to the fact that the diameter of the mixing hopper 2 is reduced in the sliding process, and the powder coatings in the falling process are stirred and mixed through the premixing plate 31, so that first-step premixing is achieved; then the powder falls onto the dispersion plate 4, under the centrifugal force of the dispersion plate 4, the powder is separated from the dispersion plate 4 in different directions, the dispersion plate 4 uniformly disperses the powder falling thereon to realize the second premixing, and then the powder is finally mixed by the stirring rod 32.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A powder premixer is characterized in that: comprises a mixing barrel (1) which is a barrel and has a vertical axis;

the stirring shaft (3) is rotatably connected to the top of the mixing barrel (1) and extends into the mixing barrel (1), and the stirring shaft (3) and the mixing barrel (1) are coaxially arranged;

the mixing hopper (2) is arranged in the mixing barrel (1), the top of the mixing hopper is fixedly connected to the top of the inner cavity of the mixing barrel (1), the mixing hopper is a circular truncated cone-shaped pipe, the large-diameter end of the mixing hopper is positioned at the top of the mixing hopper, and the mixing hopper and the stirring shaft (3) are coaxially arranged;

the feeding pipes (12) are arranged in a plurality and fixedly connected to the top of the mixing barrel (1), communicated with the mixing hopper (2) and distributed around the axis of the mixing hopper (2);

the dispersion disc (4) is fixedly connected to the stirring shaft (3), is a disc, is coaxial with the stirring shaft (3), and is positioned at the bottom of the mixing hopper (2);

a plurality of stirring rods (32) which are fixedly connected to the outer side of the stirring shaft (3) and are positioned below the dispersion disc (4);

and a discharge pipe (13) fixedly connected to the bottom of the mixing barrel (1).

2. The powder premixer of claim 1, wherein: (mixing) shaft (3) outside fixedly connected with a plurality of premixing boards (31), premixing board (31) divide into the multiunit, and multiunit premixing board (31) are arranged along vertical direction, and each group includes that two premix board (31) just set up for the axis symmetry of (mixing) shaft (3), and the length direction of premixing board (31) sets up and premix board (31) keep away from the one end of (mixing) shaft (3) and mix and fill (2) inner wall contact.

3. The powder premixer of claim 2, wherein: a plurality of dispersion tanks (41) have been seted up at the top of dispersion impeller (4), and the length direction of dispersion tank (41) sets up and a plurality of dispersion tanks (41) evenly arrange around the axis of dispersion impeller (4) along the radial direction of dispersion impeller (4), and one end that a plurality of dispersion tanks (41) are close to dispersion impeller (4) axis communicates each other, and dispersion tank (41) run through dispersion impeller (4) towards the direction of keeping away from dispersion impeller (4) axis.

4. A powder premixer according to claim 3, wherein: dispersion impeller (4) outside a plurality of length direction of fixedly connected with dispersion impeller (4) radial direction setting dispersion pole (5), the top and the bottom fixedly connected with a plurality of auxiliary rods (51) of arranging along dispersion length direction of dispersion pole (5), auxiliary rod (51) vertical setting.

5. The powder premixer of claim 4, wherein: a dispersion rod (5) is arranged below one end, far away from the axis of the dispersion disc (4), of each dispersion groove (41).

6. The powder premixer of claim 5, wherein: still include stirring board (33), stirring board (33) are provided with a plurality ofly and fixed connection in (mixing) shaft (3) outside, and the bottom of stirring board (33) is laminated with the bottom of blending tank (1) inner chamber.

7. The powder premixer of claim 6, wherein: still include feeder hopper (6), every feeder hopper (6) bottom all fixedly connected with connecting pipe (61), feeder hopper (6) and a plurality of inlet pipe (12) one-to-one, connecting pipe (61) of feeder hopper (6) bottom can insert in the middle of inlet pipe (12) and with inlet pipe (12) threaded connection, all be provided with the control switch of control connecting pipe (61) switch on each connecting pipe (61).