CN210613420U

CN210613420U - Convection type dry powder mixer

Info

Publication number: CN210613420U
Application number: CN201921376422.3U
Authority: CN
Inventors: 王小清; 孙治平
Original assignee: Chongqing Tengzhi Technology Co ltd
Current assignee: Chongqing Tengzhi Technology Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-05-26
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses a to STREAMING dry powder mixer relates to the dry powder and mixes the machine, aims at solving the current dry powder and mixes the relatively poor problem of machine stirring effect, and its technical scheme main points are: including the agitator, the inner chamber has been seted up in the agitator, wear to be equipped with two (mixing) shaft I that extend along its length direction in the agitator, it is provided with helical mixing blade one to encircle (mixing) shaft I, the transmission direction of two helical blade one is opposite, the one end of (mixing) shaft one is rotated and is connected in the agitator, the other end is worn out the agitator and is connected with actuating mechanism, the inner wall that encircles the inner chamber rotates and is connected with a plurality of interior rings of teeth, the agitator is provided with the driving motor one that is used for driving interior ring of teeth outward, the inner chamber is provided with two helical blade two, two helical blade two are located the both ends of inner chamber respectively and transmission direction is towards the inner chamber middle part, the. The utility model discloses thereby can make the material form the convection current at the inner chamber and fully mix relatively.

Description

Convection type dry powder mixer

Technical Field

The utility model relates to a dry powder mixes quick-witted technical field, more specifically says, it relates to a to STREAMING dry powder mixes machine.

Background

With the vigorous advocation of the national building energy-saving technology, more and more building material manufacturers vigorously develop more environment-friendly and energy-saving mortar technology, and the tower type dry powder mortar equipment has the characteristics of high production efficiency, high yield, small closed production pollution and the like and is widely applied.

The dry-mixed mortar complete equipment mainly comprises a conveying and lifting system, a mixing machine system, a storage bin system, a packaging system machine, a dust removal system and the like.

The mixer system mainly comprises a dry powder mixer, which is also called a dry powder mixer and is a mixing device, wherein the dry powder mixer is suitable for mixing various dry powders and fine granular materials (such as putty powder, plastering gypsum, dry powder mortar, colored cement, various mineral powders, chemical materials, organic fertilizers and the like).

The Chinese patent with publication number CN208911936U discloses a novel dry powder mixer, which has the technical key points that: including the agitator, the agitator top is provided with first motor, first motor bottom is provided with the rotation axis, the rotation axis is connected with first motor drive, the rotation axis outer wall is provided with stirring fan blade, stirring fan blade one end is provided with the slide, slide one side is provided with the scraper blade, scraper blade one side is provided with the doctor-bar, the doctor-bar outer wall is provided with the recess, agitator inner wall bottom is provided with rotatory piece, rotatory piece bottom is provided with the second motor, the second motor is connected with rotatory piece transmission.

The problem of the stirring is accomplished the unable clearance of back dry powder and is complete has been solved in above-mentioned scheme, but owing to adopted the stirring vane that the level set up to make the stirring of material insufficient relatively for stirring effect is not good, consequently needs to propose a new scheme and solves this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a to STREAMING dry powder mixer, thereby it can be so that the material in the agitator forms the comparatively abundant mixture of convection current.

The above technical purpose of the present invention can be achieved by the following technical solutions: a convection type dry powder mixer comprises a mixing drum, wherein an inner cavity is formed in the mixing drum, a feeding port and a discharging port are respectively formed in the upper part and the lower part of the mixing drum, a first mixing shaft extending along the length direction of the mixing drum is arranged in the mixing drum in a penetrating mode, a first spiral blade is arranged around the first mixing shaft, the first spiral blades are located in the middle of the mixing drum, the transmission directions of the first spiral blades are opposite, one end of the first mixing shaft is rotatably connected to the mixing drum, the other end of the first mixing shaft penetrates out of the mixing drum and is connected with a rotary driving mechanism for driving the first mixing shaft, a plurality of inner toothed rings are rotatably connected around the inner wall of the inner cavity, a first driving motor for driving the inner toothed rings to rotate is arranged outside the mixing drum, the inner cavity is provided with two second spiral blades, the two spiral blades are respectively located at the two ends of the inner cavity, the transmission, two ends of the second spiral blade are respectively fixedly connected to the inner toothed ring, and the discharge port is provided with an opening and closing mechanism.

Through adopting above-mentioned technical scheme for when the stirring, the material that is located the agitator both ends can be transmitted to the intermediate position by the helical blade two that are located the inner chamber both ends, and the material of intermediate position can be transmitted to the inner chamber both ends by the helical blade one that two transmission directions are different, makes the material in the agitator can form the convection current at the inner chamber, thereby comparatively abundant mixture.

The utility model discloses further set up to: the central axes of the first stirring shafts are positioned in the same horizontal plane.

Through adopting above-mentioned technical scheme, can be so that the interior material of agitator is less, can not only a helical blade stir and transmit a pair of material, influence the result of use.

The utility model discloses further set up to: the second spiral blade is a double-spiral blade, and the distance between the two double-spiral blades is smaller than the length of the first spiral blade.

Through adopting above-mentioned technical scheme, two helical blade that two spirals set up are better relatively to the stirring effect of material, simultaneously because two helical blade two's distance is less than helical blade one and gets length for helical blade one can be more effectual with material transmission to the both ends of inner chamber, makes the effect of convection current better, thereby makes the effect of mixing better.

The utility model discloses further set up to: the cross section of the second spiral blade is V-shaped, and the V-shaped openings of the two second spiral blades are opposite.

Through adopting above-mentioned technical scheme, set up the cross-section and for two effectual increases of helical blade of V form play with the area of contact of material for can more effectually transmit and stir the material during transmission and stirring, make the mixture of material more abundant.

The utility model discloses further set up to: encircle the inner wall of inner chamber is seted up a plurality ofly rather than the annular of concentric shaft, the annular opening is towards the central axis of inner chamber and in the annular and interior ring gear joint in the annular, encircles the central axis of inner chamber is provided with a plurality of actuating levers, interior ring gear fixed connection is in the actuating lever.

Through adopting above-mentioned technical scheme, the actuating lever can effectually support helical blade two, and helical blade two bears the ability of load during effectual reinforcing stirring, and helical blade two is damaged when reducing the stirring probability.

The utility model discloses further set up to: the internal tooth ring encircles its central axis and sets up flutedly, the opening orientation of recess deviates from one side at internal ring center, the annular internal rotation is connected with a plurality of live-rollers that are on a parallel with (mixing) shaft one, the live-roller is on a parallel with (mixing) shaft one and a plurality of live-rollers encircle the central axis distribution in the annular of annular, encircle the live-roller is provided with the ring platform, the ring platform joint is in the recess.

Through adopting above-mentioned technical scheme for when stirring, the pivoted inner ring gear can drive the live-rollers rotation, and the inner chamber slides when rotating in comparison in inner ring gear, and the effectual reduction of hindrance that inner ring gear received, thereby can be more smooth and easy when stirring.

The utility model discloses further set up to: the output end of the first driving motor is fixedly connected with a coupler, one end, far away from the first driving motor, of the coupler is fixedly connected with a first gear, and the first gear is meshed with the inner gear ring.

Through adopting above-mentioned technical scheme, when stirring, the shaft coupling can cushion the vibration and the load that the internal ring gear produced, and the damage that vibration etc. that the internal ring gear produced led to the fact drive motor one when effectual reduction stirring.

The utility model discloses further set up to: the coupler is a plum coupler.

Through adopting above-mentioned technical scheme, be provided with the elastic component in the plum blossom shaft coupling for when interior ring gear received great hindrance or produced great vibration, can effectually cushion through the elastic component, the effectual damage that reduces to driving motor one.

The utility model discloses further set up to: the driving mechanism comprises a shell, the shell is rotatably connected with a worm parallel to the first stirring shaft, one end of the worm penetrates out of the shell and is fixedly connected with a driving motor II, the other end of the worm is rotatably connected to the shell, a first transmission rod vertical to the worm is arranged in the shell, one end of the first transmission rod is fixedly connected with a worm wheel meshed with the worm, the other end of the first transmission rod is fixedly connected with a first bevel gear, a second transmission rod parallel to the worm is arranged in the shell, one end of the second transmission rod is fixedly connected with a second bevel gear meshed with the first bevel gear, and the other end of the second transmission rod is fixedly connected to the first.

Through adopting above-mentioned technical scheme, can be through the effectual reduction of the output rotational speed of turbine worm transmission to driving motor two, make simultaneously through bevel gear and bevel gear two through multistage transmission between driving motor two and the (mixing) shaft one, the effectual damage that reduces the pair of driving motor one of (mixing) shaft and produce.

The utility model discloses further set up to: the opening and closing mechanism comprises a fixed plate fixedly connected to the lower portion of the stirring barrel, a discharge baffle hinged to the edge of the discharge port and a hydraulic cylinder, one end of the hydraulic cylinder is hinged to one side, away from the first stirring shaft, of the discharge baffle, the other end of the hydraulic cylinder is hinged to the fixed plate, the discharge baffle is an arc plate, and the diameter of the outer wall, facing one side of the central axis of the stirring barrel, of the discharge baffle is equal to that of the.

Through adopting above-mentioned technical scheme, the end view is circular-arc discharge baffle can block the discharge gate and can effectually reduce the dead angle of inner chamber when the stirring, and effectual reduction stops in the material that the dead angle was not stirred for mix more fully relatively, the result of use is more.

To sum up, the utility model discloses following beneficial effect has:

through the helical blade two of one side in the middle of the direction of transmission orientation inner chamber for the material that is located the inner chamber both ends can be transmitted to the intermediate position of inner chamber when the stirring, is located two helical blade one of inner chamber intermediate position simultaneously, transmits the material of intermediate position to the both ends of inner chamber, makes the material form the convection current in the inner chamber, thereby makes the material mix relatively more fully in the agitator, and stirring effect is better.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partial sectional view of the present invention, which is mainly used to show the relative position relationship between the inner gear ring and the ring groove;

fig. 3 is a schematic view of a partial structure of the present invention, which is mainly used for showing the installation position relationship between the first helical blade and the second helical blade;

FIG. 4 is an enlarged view of the portion A of FIG. 2, which is mainly used for showing the relative position relationship between the rotating roller and the inner toothed ring;

fig. 5 is a schematic view of a partial structure of the present invention, which is mainly used for showing the installation position relationship of the gear three-phase pair coupling;

fig. 6 is a first partial explosion diagram of the present invention, which is mainly used for showing the structure of the opening and closing mechanism;

fig. 7 is a second partial exploded view of the present invention, which is mainly used to show the structure of the driving mechanism.

In the figure: 1. a stirring barrel; 11. an inner cavity; 12. a ring groove; 13. a rotating roller; 131. a ring platform; 14. a feeding port; 15. a discharge port; 2. a first stirring shaft; 21. a first helical blade; 22. fixing the rod; 3. a drive mechanism; 31. a housing; 32. a first worm; 33. a second driving motor; 34. a first transmission rod; 35. a worm gear; 36. a first bevel gear; 37. a second transmission rod; 38. a second bevel gear; 4. an inner gear ring; 41. a drive rod; 42. a second helical blade; 43. a first gear; 44. driving a motor I; 45. a coupling; 46. a groove; 5. an opening and closing mechanism; 51. a discharge baffle; 52. a hydraulic cylinder; 53. and (7) fixing the plate.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

A convection type dry powder mixer, referring to fig. 1 and 2, comprises a horizontal mixing tank 1, an inner cavity 11 for charging is arranged in the mixing tank 1, the inner cavity 11 is cylindrical, a feeding port 14 and a discharging port 15 are respectively arranged at the upper part and the lower part of the mixing tank 1, and an opening and closing mechanism 5 for controlling the discharging of materials is arranged at the discharging port 15 (marked in fig. 6).

Referring to fig. 2 and 3, two stirring shafts 2 extending along the length direction of the stirring barrel 1 are arranged in the stirring barrel 1 in a penetrating manner, the central axes of the two stirring shafts 2 are positioned in the same horizontal plane, one end of each stirring shaft 2 is rotatably connected to the stirring barrel 1, the other end of each stirring shaft 2 penetrates through the stirring barrel 1 and is connected with a driving mechanism 3 for driving the stirring shafts 2 to rotate, spiral blades 21 are arranged around the stirring shafts 2, a plurality of fixing rods 22 for fixing the first helical blade 21 are arranged on the stirring shaft 2, the plurality of fixing rods 22 are distributed along the length direction of the stirring shaft 2, one end of each fixing rod 22 is fixedly connected with the stirring shaft 2, the other end of each fixing rod 22 is fixedly connected with the first helical blade 21, the rotation directions of the two helical blades one 21 are opposite and are positioned in the middle of the inner cavity 11, so that the transmission directions of the two helical blades one 21 are opposite.

Referring to fig. 3 and 4, a plurality of ring grooves 12 having the same central axis as the inner wall of the inner cavity 11 are formed around the inner wall, the ring grooves 12 are distributed along the length direction of the stirring shaft one 2, the openings of the ring grooves 12 face the central axis of the stirring barrel 1, adaptive inner toothed rings 4 are clamped in the ring grooves 12, and the inner toothed rings 4 surround the central axis of the stirring barrel 1 of the stirring shaft; a plurality of parallel driving rods 41 are arranged in the inner cavity 11, the inner gear ring 4 is fixedly connected to the driving rods 41, the driving rods 41 are distributed around the central axis of the inner gear ring 4, and a first driving motor 44 for driving the inner gear ring 4 to rotate is fixedly connected to the outer portion of the stirring barrel 1.

Two helical blades 42 are arranged in the inner cavity 11, the helical blades 42 and the stirring barrel 1 share the same central axis, the two helical blades 42 are respectively located at two ends of the inner cavity 11 and are opposite in rotating direction, so that the transmission directions of the two helical blades 42 respectively face the middle of the inner cavity 11, and the distance between the two helical blades 42 is smaller than the length of the helical blade 21.

When the stirring is performed, the materials at the two ends of the inner cavity 11 are stirred by the second helical blade 42 and are conveyed to the middle position of the inner cavity 11. Because two helical blade 21's transmission direction is opposite for the material that is located the intermediate position is transmitted to the both ends of inner chamber 11 respectively by two helical blade 21, makes the material form the convection current in inner chamber 11, thereby can make the material intensive mixing, and stirring effect is better. And the interval between two helical blade two 42 is less than the length of helical blade one 21 for when transmitting to helical blade one 21 and helical blade two 42 coincidence position, two helical blade one 21 can be with timely transmission to inner chamber 11 both ends of material, make the effect of convection current better, mix more fully.

In order to better stir the materials at the two ends of the inner cavity 11, the second helical blade 42 is a double helical blade, the cross section of the second helical blade 42 is V-shaped, and the V-shapes of the two second helical blades 42 are open towards each other.

Two helical blade 42 through the two helical blade setting make two helical blade 42 better to the transmission effect of material, and the cross-section is two helical blade 42 of V form simultaneously can its and the area of contact of material of effectual increase for two helical blade 42 can drive more material flows when rotatory, thereby can effectually stir and transmit the material.

Referring to fig. 3 and 4, in order to reduce the obstruction of the inner ring gear 4 during stirring, the inner ring gear 4 is provided with a groove 46 around the central axis thereof, and the groove 46 opens to the side away from the central axis of the inner ring gear 4. A plurality of rotating rollers 13 parallel to the first stirring shaft 2 are rotatably connected in the ring groove 12, the plurality of rotating rollers 13 are distributed around the central axis of the inner toothed ring 4, a ring table 131 is formed around the rotating rollers 13, and part of the ring table 131 is clamped in the groove 46.

When stirring, the internal gear ring 4 that rotates can drive the live-rollers 13 and rotate to the effectual hindrance that receives when reducing internal gear ring 4 and rotating.

Referring to fig. 3 and 5, in order to reduce damage to the first driving motor 44 caused by vibration generated by the inner gear ring 4 during rotation, a coupling 45 is arranged between the inner gear ring 4 and the first driving motor 44, the coupling 45 is a quincuncial coupling, one end of the coupling 45 is fixedly connected to an output shaft of the first driving motor 44, the other end of the coupling 45 is fixedly connected with a first gear 43 meshed with the inner gear ring 4, and the coupling 45 can be an HB-38 split quincuncial coupling.

When rotating, the material that does not break away from can exist in the clearance of the tooth of interior ring gear 4, and the hindrance that receives when making interior ring gear 4 rotate increases, and interior ring gear 4 can exert certain power to a gear 43 and make a gear 43 have the trend of removing, can exert the power of giving a gear 43 to interior ring gear 4 through shaft coupling 45 and cushion, and the damage that interior ring gear 4 led to the fact driving motor 44 when effectual reduction stirring.

Referring to fig. 3 and 7, the driving mechanism 3 includes a housing 31, the housing 31 is rotatably connected with a first worm 32 parallel to the stirring shaft one 2, one end of the first worm 32 penetrates through the housing 31 and is fixedly connected with a second driving motor 33, the other end of the first worm 32 is rotatably connected to the housing 31, a first driving rod 34 perpendicular to the first worm 32 is arranged in the housing 31, one end of the first driving rod 34 is fixedly connected with a worm wheel 35 meshed with the first worm 32, the other end of the first driving rod 34 is fixedly connected with a first bevel gear 36, a second driving rod 37 parallel to the first worm 32 is arranged in the housing 31, one end of the second driving rod 37 is fixedly connected with a second bevel gear 38 meshed with the first bevel gear 36, and the other end of the.

During stirring, the output rotating speed of the second driving motor 33 is reduced through the relatively large transmission ratio of the worm wheel 35 and the first worm 32, the second bevel gear 38 is driven to rotate through the first bevel gear 36, the power of the second rotating bevel gear 38 is transmitted to the first gear 43 through the coupler 45, and the first gear 43 drives the inner gear ring 4 to rotate, so that the rotating speed of the first helical blade 21 is effectively reduced.

Referring to fig. 1 and 6, the opening and closing mechanism 5 for controlling material discharge is arranged at the discharge port 15 and comprises a fixing plate 53 fixedly connected to the lower portion of the stirring barrel 1, a discharge baffle 51 and a hydraulic cylinder 52, wherein the discharge baffle 51 covers the discharge port 15, one end of the hydraulic cylinder 52 is hinged to one side, away from the stirring shaft 2, of the discharge baffle 51, the other end of the hydraulic cylinder 52 is hinged to the fixing plate 53, the end view of the discharge baffle 51 is arc-shaped, and the diameter of the outer wall, facing one side of the central axis of the stirring barrel 1, of the discharge baffle 51 is equal to the diameter of.

Be circular-arc discharge baffle 51 through the end view and make when the stirring, can effectively reduce the material that stops in discharge gate 15 department, reduce not by the material of stirring and mixture for the result of use is better.

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. The utility model provides a to STREAMING dry powder mixer, includes agitator (1), inner chamber (11) have been seted up in agitator (1), pan feeding mouth (14) and discharge gate (15), its characterized in that have respectively been seted up to the upper and lower part of agitator (1): wear to be equipped with two (mixing) shaft (2) that extend along its length direction in agitator (1), encircle (mixing) shaft (2) are provided with helical blade (21), two helical blade (21) are located the middle part of agitator (1) and the transmission direction of two helical blade (21) is opposite, the one end of (mixing) shaft (2) is rotated and is connected in agitator (1), and agitator (1) is worn out and be connected with and be used for driving (mixing) shaft (2) pivoted actuating mechanism (3) to the other end, encircles the inner wall of inner chamber (11) is rotated and is connected with a plurality of interior ring gears (4), agitator (1) is provided with outside and is used for driving interior ring gear (4) pivoted driving motor (44), inner chamber (11) is provided with two helical blade two (42), and two helical blade two (42) are located the both ends of inner chamber (11) respectively and transmission direction towards inner chamber (11) middle part and the little length of helical blade two (42) In the length of agitator (1), the both ends of helical blade two (42) are fixed connection in interior ring gear (4) respectively, discharge gate (15) are provided with starting and stopping mechanism (5).

2. A convective dry powder mixer as set forth in claim 1 wherein: the central axes of the two stirring shafts I (2) are positioned in the same horizontal plane.

3. A convective dry powder mixer as set forth in claim 2 wherein: the second spiral blade (42) is a double-spiral blade, and the distance between the two double-spiral blades (42) is smaller than the length of the first spiral blade (21).

4. A convection dry powder mixer as set forth in claim 3 wherein: the cross section of the second spiral blade (42) is V-shaped, and the V-shaped openings of the two second spiral blades (42) are opposite.

5. A convective dry powder mixer as set forth in claim 1 wherein: encircle the inner wall of inner chamber (11) is seted up a plurality ofly rather than annular (12) of concentric shaft, annular (12) opening is towards the central axis of inner chamber (11) and interior ring gear (4) joint in annular (12), encircles the central axis of inner chamber (11) is provided with a plurality of actuating levers (41), interior ring gear (4) fixed connection is in actuating lever (41).

6. A convection dry powder mixer as set forth in claim 5 wherein: interior ring gear (4) encircle its central axis and set up fluted (46), the opening orientation of recess (46) deviates from one side at interior ring gear (4) center, annular (12) internal rotation is connected with a plurality of live-rollers (13) that are on a parallel with (mixing) shaft (2), live-rollers (13) are on a parallel with (mixing) shaft (2) and a plurality of live-rollers (13) encircle the central axis distribution in annular (12) of annular (12), encircle live-rollers (13) are provided with ring platform (131), ring platform (131) joint is in recess (46).

7. A convection dry powder mixer as set forth in claim 6 wherein: the output end of the first driving motor (44) is fixedly connected with a coupler (45), one end, far away from the first driving motor (44), of the coupler (45) is fixedly connected with a first gear (43), and the first gear (43) is meshed with the inner gear ring (4).

8. A convection dry powder mixer as set forth in claim 7 wherein: the coupler (45) is a plum coupler.

9. A convection dry powder mixer as set forth in claim 8 wherein: the driving mechanism (3) comprises a shell (31), a first worm (32) parallel to the stirring shaft I (2) is rotatably connected to the shell (31), one end of the first worm (32) penetrates through the shell (31) and is fixedly connected with a second driving motor (33), the other end of the first worm (32) is rotatably connected to the shell (31), a first transmission rod (34) perpendicular to the first worm (32) is arranged in the shell (31), one end of the first transmission rod (34) is fixedly connected with a worm wheel (35) meshed with the first worm (32), the other end of the first transmission rod (34) is fixedly connected with a first bevel gear (36), a second transmission rod (37) parallel to the first worm (32) is arranged in the shell (31), one end of the second transmission rod (37) is fixedly connected with a second bevel gear (38) meshed with the first bevel gear (36), the other end of the second transmission rod (37) is fixedly connected with the first stirring shaft (2).

10. The convection type dry powder mixer of claim 9, wherein the opening and closing mechanism (5) comprises a fixing plate (53) fixedly connected to the lower portion of the mixing barrel (1), a discharging baffle plate (51) hinged to the edge of the discharging port (15), and a hydraulic cylinder (52), one end of the hydraulic cylinder (52) is hinged to one side, away from the mixing shaft I (2), of the discharging baffle plate (51), the other end of the hydraulic cylinder is hinged to the fixing plate (53), the discharging baffle plate (51) is an arc plate, and the diameter of the outer wall, facing one side of the central axis of the mixing barrel (1), of the discharging baffle plate (51) is equal to the diameter of the inner cavity (11).