CN211562696U - a powder mixer - Google Patents

Abstract

The utility model relates to the technical field of clean production, and discloses a powder mixer, which comprises a mixing bin with a bracket, the mixing bin is in the shape of a cone and the big end faces upward, and a large end port of the mixing bin is provided with a The cross beam, the small end of the mixing bin is equipped with a discharge valve, the first motor is installed on the cross beam, the rotating shaft of the first motor is connected with a stirring shaft, the stirring shaft penetrates the cross beam, the stirring shaft is provided with a spiral blade, and the dust cover is located in the first Above the motor, the dust inlet of the dust removal device is communicated with the dust removal hood through a hose, the second motor is fixed above the dust removal hood, a rope is wound around the rotating shaft of the second motor, and the other end of the rope is connected with the dust removal hood. The beneficial effect of the utility model is: the second motor is used to rewind or unwind the rope to lift the dust cover or cover it on the mixing bin, so that the mixer can effectively remove dust during operation without affecting the operation during feeding, and avoid the occurrence of feeding of the mixer. inconvenient.

Description

a powder mixer

technical field

The utility model relates to the technical field of clean production, in particular to a powder mixer.

Background technique

Powder mixing is a process in which two or more components are mixed in a dry state under the action of external force, so that the inhomogeneity is continuously reduced. The so-called two or more components can be different substances or the same substance with different physical properties: such as different particle diameters, different colors, etc.

Powder mixing is a complex random process, and the evaluation and determination of mixing quality has always been a thorny problem that plagues people. With the development of the times, the days of judging the mixing uniformity by the human five senses have passed. Using a scientific and quantitative form to determine the mixing uniformity is the quantitative analysis of powder mixing. To achieve quantitative analysis, there must be several processes of sampling, detection, statistical analysis (data processing), so as to obtain a single value to express the uniformity of the mixture. However, after the powder enters the mixer, the powder will be light in weight, which will cause the problem of powder raising. The dust cover of the existing powder mixer is fixed above the feed port of the mixer, which leads to the feeding of the mixer. inconvenient.

Utility model content

The purpose of the utility model is to provide a powder mixer to solve the problem of inconvenient feeding of the existing mixer.

The purpose of the utility model is achieved through the following technical solutions: a powder mixer, comprising a mixing bin with a support, the mixing bin is in the shape of a cone and the big end is upward, and the big end of the mixing bin is A beam is arranged at the port, a discharge valve is installed at the small end of the mixing bin, a first motor is installed on the beam, and a rotating shaft of the first motor is connected with a stirring shaft, and the stirring shaft penetrates the beam , the stirring shaft is provided with a spiral blade, the dust cover is located above the first motor, the dust inlet of the dust removal device is connected to the dust cover through a hose, and the second motor is fixed above the dust cover, A rope is wound around the rotating shaft of the second motor, and the other end of the rope is connected with the dust cover.

Preferably, the dust removal device includes a box body, the box body is divided into a clean air chamber and a dust removal chamber by a pattern plate, the bottom of the dust removal chamber is formed by a plurality of inclined surfaces to form a funnel shape, and the valve is installed in the funnel shape of the dust removal chamber The small end of the bottom of the dust removal chamber is provided with a dust inlet on the funnel-shaped bottom of the dust removal chamber, an air outlet is provided on the clean air chamber, and a gas gas collection bag is provided on the outer wall of the dust removal chamber. The horizontal main gas pipe is connected with the gas outlet end of the gas collecting bag through an electromagnetic pulse valve, the main gas pipe is located in the clean air chamber, the branch pipe runs through the flower plate, and the dust removal filter bag is installed on the flower plate, And it is located in the dust removal chamber, and the branch pipe is located in the dust removal filter bag.

Preferably, one end of the branch pipe away from the main air pipe is closed, a horizontal fixed pipe is arranged on the side wall of the branch pipe, the jet pipe is slidably installed in the fixed pipe, and a return spring is also arranged in the fixed pipe, so The jet pipe is slid into the fixed pipe through the return spring.

Preferably, one end of the jet pipe is closed, and the outer wall of the other end is provided with a first annular platform along its circumferential direction, and the outer wall of the first annular platform is slidably fitted on the inner wall of the fixed pipe, and the jet The side wall of the trachea is provided with an air hole, and the included angle between the axis line of the air hole and the axis line of the jet pipe is a, and faces the fixed pipe, and the inner wall of the fixed pipe is arranged along its circumferential direction There is a second annular table, and the return spring is compressively mounted between the first annular table and the second annular table.

Preferably, an annular groove is provided on the outer wall of the first annular platform along its circumferential direction, and an elastic rubber ring is installed in the annular groove.

Preferably, a glass observation window is provided on the side wall of the dust removal chamber, the glass observation window is far from the clean air chamber, and a bracket is provided on the outer wall of the dust removal chamber.

Compared with the prior art, the beneficial effect of the present utility model is: the second motor is used to rewind or unwind the rope to lift the dust cover or cover it on the mixing bin, so that the mixer can effectively remove dust during operation without affecting the material feeding. operation to avoid the inconvenience of feeding the mixer.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic diagram of the installation structure of the jet pipe;

In the figure, 1-clean air chamber, 2-dust chamber, 3-valve, 4-flower plate, 5-gas collecting bag, 6-main air pipe, 7-electromagnetic pulse valve, 8-branch pipe, 9-dust filter bag , 10-fixed tube, 11-jet tube, 12-return spring, 13-first annular stage, 14-air hole, 15-second annular stage, 16-elastic rubber ring, 17-glass observation window, 18-mixture Bin, 19-rope, 20-first motor, 21-stirring shaft, 22-spiral blade, 23-dust hood, 24-hose, 25-second motor.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments of the present invention are a part of the embodiments of the present invention, but not all of the embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that the embodiments of the present invention and the features of the embodiments can be combined with each other unless there is conflict.

As shown in FIG. 1 , a powder mixer includes a mixing bin 18 with a bracket, the mixing bin 18 is in the shape of a cone and the big end is upward, and a beam is arranged at the large end port of the mixing bin 18 to mix the materials. The powder enters from the big end of the mixing bin 18. The small end of the mixing bin 18 is equipped with a discharge valve. After the mixing is completed, the discharge valve is opened to discharge the material. The first motor 20 is installed on the beam. The rotating shaft is connected with a stirring shaft 21, the stirring shaft 21 penetrates the beam, and the stirring shaft 21 is provided with a spiral blade 22. The spiral blade 22 is conducive to the upward turning of the powder during stirring, and the mixing is used. The dust cover 23 is located above the first motor 20. , the dust inlet of the dust removal device is communicated with the dust removal hood 23 through the hose 24, the second motor 25 is fixedly arranged above the dust removal hood 23, a rope 19 is wound around the rotating shaft of the second motor 25, and the other end of the rope 19 is connected to the dust removal hood 23 When the mixer is working, start the second motor 25 and lower the dust cover 23, so that it covers the mixing bin 18 for dust removal, and the dust removal effect is good. After the mixing is completed, the dust cover is raised to facilitate the addition of powder.

In this embodiment, as shown in FIG. 1 , the dust removal device includes a box body, and the box body is divided into a clean air chamber 1 and a dust removal chamber 2 by a flower plate 4 , and the flower plate 4 is made of a steel plate with through holes. The through holes of the dust removal chamber 2 are distributed in a plum blossom shape. The bottom of the dust removal chamber 2 is formed by a plurality of inclined surfaces to form a funnel shape. The valve 3 is installed at the small end of the funnel-shaped bottom of the dust removal chamber 2. When working, close the valve 3 when the dust is full of the funnel-shaped bottom. When the dust is discharged, open the valve 3 to unload the dust and then close it to continue the dust removal. The funnel-shaped bottom of the dust removal chamber 2 is provided with a dust inlet. The dust inlet is aligned with the feed inlet of the mixer, and the generated dust enters the dust removal chamber from the dust inlet. 2. There is an air outlet on the clean air chamber 1. The air outlet is provided with an exhaust fan. Start the exhaust fan to form an air flow in the box. The gas outlet, the outer wall of the dust removal chamber 2 is provided with a gas gas collecting bag 5, and the horizontal main gas pipe 6 with the branch pipe 8 is connected with the gas outlet end of the gas gas collecting bag 5 through an electromagnetic pulse valve 7, and the electromagnetic pulse valve 7 is a commercially available product Therefore, it will not be described in detail here, the main air pipe 6 is located in the clean air chamber 1, the branch pipe 8 runs through the flower plate 4, and is located in the dust removal chamber 2, the branch pipe 8 is located in the dust removal filter bag 9, and the dust removal filter bag 9 is installed on the flower plate 4, The dust filter bag 9 is sleeved on the skeleton made of steel bars, one end of the skeleton is inserted into the through hole of the flower plate 4, and the other end is clamped in the through hole, so that the dust filter bag 9 closes the through hole on the flower plate 4 and raises dust. It falls into the bottom of the dust removal chamber 2 through the blocking of the dust removal filter bag 9, and the dust accumulated on it is backflushed to the dust removal filter bag 9 through the branch pipe 8 and falls into the bottom of the dust removal chamber 2, so as to maintain the ventilation of the dust removal filter bag 9 and avoid The dust removal effect is reduced.

In this embodiment, as shown in FIG. 2 , one end of the branch pipe 8 away from the main air pipe 6 is closed, a horizontal fixed pipe 10 is provided on the side wall of the branch pipe 8 , the air injection pipe 11 is slidably installed in the fixed pipe 10 , and the fixed pipe 10 A return spring 12 is also provided in the interior, and the air injection pipe 11 slides into the fixed pipe 10 through the return spring 12, and the branch pipe 8 is ventilated at intervals by controlling the electromagnetic pulse valve 7, so that the air injection pipe 11 slides back and forth in the fixed pipe 10, and the dust filter is filtered. The bag 9 is beaten, so that the agglomerated dust on the dust filter bag 9 is broken, so that it can be easily blown back into the bottom of the dust chamber 2, and the dust on the dust filter bag 9 can be shaken off better.

In this embodiment, as shown in FIG. 2 , one end of the air jet pipe 11 is closed, and the outer wall of the other end is provided with a first annular platform 13 along its circumferential direction. On the inner wall of the air jet pipe 11, a gas hole 14 is opened on the side wall of the gas jet pipe 11. The angle between the axis line of the gas hole 14 and the axis line of the gas jet pipe 11 is a, and it faces the fixed pipe 10. The gas hole 14 is located outside the port of the fixed pipe 10. , the air hole 14 is provided with multiple circles along the axis of the jet pipe 11, and the backflushing gas discharged through the air hole 14 provides thrust for the jet pipe 11 to push it to the outside of the fixed pipe 10, and the inner wall of the fixed pipe 10 is along its circumferential direction. A second annular stage 15 is provided, and the return spring 12 is compressed and installed between the first annular stage 13 and the second annular stage 15. When the air jet pipe 11 stops being ventilated, the return spring 12 pushes the air jet pipe 11 into the fixed pipe 10. , to achieve the blowing effect of the jet pipe 11 on the dust bag.

In this embodiment, as shown in FIG. 2 , an annular groove is provided on the outer wall of the first annular platform 13 along its circumferential direction, and an elastic rubber ring 16 is installed in the annular groove. The elastic rubber ring 16 further improves the first annular groove. The sealing between the table 13 and the inner wall of the fixed pipe 10 is provided with a Teflon coating layer on the inner wall of the fixed pipe 10 , so that the sliding of the jet pipe 11 along the fixed pipe 10 is more labor-saving.

In this embodiment, as shown in FIG. 1 , a glass observation window 17 is provided on the side wall of the dust chamber 2 , and the glass observation window 17 is far away from the clean air chamber 1 . A bracket is arranged on the outer wall of the cavity 2, and the bracket lifts the box body to facilitate the unloading hopper truck to load the collected dust.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present utility model, any modifications, equivalent replacements, improvements, etc. made shall be included within the protection scope of the present utility model.

Claims (6)

1. The utility model provides a powder mixes machine, includes the blending bunker that has the support, the blending bunker is awl tube-shape and main aspects up, its characterized in that: the utility model discloses a dust removal device, including mixing bunker, dust excluding hood, mixing bunker, discharge valve, dust inlet, dust removal device, dust excluding hood, mixing bunker's main aspects port department is provided with the crossbeam, the discharge valve is installed to mixing bunker's tip, and first motor is installed on the crossbeam, the pivot of first motor is connected with the (mixing) shaft, the (mixing) shaft runs through the crossbeam, be provided with helical blade on the (mixing) shaft, the dust excluding hood is located the top of first motor, dust collector's dust inlet pass through the hose with the dust excluding hood intercommunication, the second motor.

2. The powder mixer of claim 1, wherein: the dust removal device comprises a box body, a flower plate divides the box body into a purified air cavity and a dust removal cavity, the bottom of the dust removal cavity is converged by a plurality of inclined planes to form a funnel shape, a valve is installed at the small end of the funnel-shaped bottom of the dust removal cavity, a dust inlet is formed in the funnel-shaped bottom of the dust removal cavity, an air outlet is formed in the purified air cavity, a gas collection bag is arranged on the outer wall of the dust removal cavity, a main horizontal air pipe with a branch pipe is connected with the air outlet end of the gas collection bag through an electromagnetic pulse valve, the main air pipe is located in the purified air cavity, the branch pipe penetrates through the flower plate, a dust removal filter bag is installed on the flower plate and located in the dust removal cavity, and the branch pipe is located in the dust removal filter bag.

3. The powder mixer of claim 2, wherein: the branch pipe is kept away from the one end of main trachea seals, be provided with the fixed pipe of horizontally on the lateral wall of branch pipe, jet-propelled pipe slidable mounting be in the fixed pipe, still be provided with reset spring in the fixed pipe, jet-propelled pipe passes through reset spring slides in the fixed pipe.

4. A powder mixer as claimed in claim 3, wherein: jet-propelled pipe one end is sealed, is provided with first annular platform along its circumference on the outer wall of its other end, the outer wall of first annular platform slides and laminates on the inner wall of fixed pipe, the gas pocket has been seted up on the lateral wall of jet-propelled pipe, the axial lead of gas pocket with the contained angle of the axial lead of jet-propelled pipe is an, and moves towards fixed pipe, be provided with second annular platform along its circumference on the inner wall of fixed pipe, reset spring compression is installed first annular platform with between the second annular platform.

5. The powder mixer of claim 4, wherein: an annular groove is formed in the outer wall of the first annular table along the circumferential direction of the first annular table, and an elastic rubber ring is installed in the annular groove.

6. A powder mixer as claimed in any one of claims 2 to 5, wherein: the side wall of the dust removing cavity is provided with a glass observation window, the glass observation window is far away from the air purifying cavity, and the outer wall of the dust removing cavity is provided with a support.

Images