CN210389650U - Mortar mixer - Google Patents

Abstract

The utility model relates to a mortar stirring field provides a mortar mixer to stirring inhomogeneous problem, and this technical scheme is as follows: agitating unit in agitator and the agitator, agitating unit is including fixing the fixed strip of keeping away from the one end on ground in the agitator, it is connected with central (mixing) shaft to rotate on the fixed strip, central (mixing) shaft external fixation has first sun gear, be fixed with the motor on the fixed strip, first driving gear and first sun gear meshing, be fixed with spiral stirring leaf and a plurality of central stirring board on the central (mixing) shaft, central stirring board forms the connecting wire with the fixed connection department of central (mixing) shaft, central stirring board and spiral stirring leaf contactless. An included angle of 30-60 degrees is formed between the projection of the connecting line on the vertical plane where the axis of the central stirring shaft is located and the axis of the central stirring shaft, and the downward extending direction of the connecting line is opposite to the rotating direction of the spiral stirring blades, so that the central stirring shaft collides with mortar in the stirring process, and the mortar is stirred more uniformly.

Description

Mortar mixer

Technical Field

The utility model belongs to the technical field of the mortar stirring technique and specifically relates to a mortar mixer is related to.

Background

The mortar is a bonding substance used for building bricks on a building and is formed by adding water into sand and a cementing material according to a certain proportion. The mortar is usually cement mortar, mixed mortar, lime mortar and clay mortar, and the mortar is an essential building material in building engineering.

The mortar stirrer is generally used for stirring mortar, the stirring direction of the mortar is single in the stirring process of the existing mortar stirrer, the mortar cannot be uniformly stirred, the sand, cementing materials and water are insufficiently fused in the use process of the mortar which is not uniformly stirred, the mortar is easy to precipitate and delaminate, the viscosity of the mortar is influenced, and the building materials which need to be bonded through the mortar cannot be sufficiently bonded, so that the improvement space is provided.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a mortar stirrer has the advantage of stirring.

In order to achieve the above purpose, the utility model provides a following technical scheme:

comprises a stirring barrel and a stirring device in the stirring barrel, wherein the stirring device comprises a fixing strip fixed at one end of the stirring barrel far away from the ground, the fixed strip is rotatably connected with a central stirring shaft, a first central gear is fixed outside the central stirring shaft, a motor with a rotating shaft facing the ground is fixed on the fixing strip, a first driving gear is fixed outside the rotating shaft of the motor, the first driving gear is meshed with the first central gear, a spiral stirring blade and a plurality of central stirring plates are fixed on the central stirring shaft, a connecting line is formed at the fixed connection position of the central stirring plate and the central stirring shaft, the projection of the connecting line on the vertical plane where the axis of the central stirring shaft is located and the axis of the central stirring shaft form an included angle of 30-60 degrees, the connecting line extends downwards along the spiral climbing direction of the spiral stirring blades, and a space is reserved between the central stirring plate and the spiral stirring blades.

By adopting the technical scheme, the first driving gear is meshed with the first central gear, when the motor is started and mortar needs to be stirred, the motor is rotated to drive the first driving gear to rotate, so that the first driving gear drives the central stirring shaft to stir the mortar, the central stirring shaft drives the spiral stirring blades and the central stirring plate to push the mortar to move in the rotating process of the mortar, an included angle of 30-60 degrees is formed between the projection of a connecting line on a vertical plane where the axis of the central stirring shaft is located and the axis of the central stirring shaft, the downward extending direction of the connecting line is opposite to the spiral ascending direction of the spiral stirring blades, when the spiral stirring blades push the mortar to move downwards in the rotating process, the central stirring plate pushes the mortar to move upwards, so that the mortar pushed by the spiral stirring blades and the central stirring plate collide with each other, the mortar after collision is converged, so that the movement direction of the mortar is complex and diversified, the mortar is fully mixed, and the mortar is uniformly stirred.

The utility model discloses further set up to: the central stirring shaft is in a hollow cylinder shape, a fixed shaft with one end fixed at the bottom of the stirring barrel is fixed in the central stirring shaft, the fixed shaft is rotationally connected with the central stirring shaft, a plurality of fixed bevel gears are fixed on the fixed shaft, a hole is formed in the central stirring shaft, a horizontal sealing bearing is fixed in the hole of the central stirring shaft, the horizontal sealing bearing extends out of the central stirring shaft from the hole, a horizontal stirring shaft penetrating through the horizontal sealing bearing is fixed on the inner ring of the horizontal sealing bearing, one end of the horizontal stirring shaft inserted into the central stirring shaft is fixedly connected with a rotating bevel gear meshed with the fixed bevel gear, and a horizontal stirring blade and a horizontal central stirring plate are fixed at one end of the horizontal stirring shaft extending out of the central stirring shaft.

Through adopting above-mentioned technical scheme, through fixed a plurality of fixed bevel gears on the fixed axle in the central (mixing) shaft, fixed bevel gear and rotation bevel gear meshing, horizontal (mixing) shaft passes through horizontal sealed bearing with central (mixing) shaft and rotates and is connected, make central (mixing) shaft drive horizontal (mixing) shaft when central (mixing) shaft rotates around central (mixing) shaft pivoted, make horizontal (mixing) shaft still rotate around the axis of horizontal (mixing) shaft self, when making horizontal (mixing) shaft rotate around self axis direction, need not to add extra drive energy drive, horizontal (mixing) shaft rotates around self axis direction, make the mortar receive the horizontal direction stirring when, the mortar still receives vertical direction's stirring, make the mortar receive multi-directional stirring, make the mortar stirring more even.

The utility model discloses further set up to: the central stirring shaft extends along the axis direction of the horizontal sealing bearing to form a fixed pipe facing the outside of the central stirring shaft, and the fixed pipe is fixedly connected with the outer ring of the horizontal sealing bearing.

Through adopting above-mentioned technical scheme, fixed pipe passes through horizontal seal bearing with horizontal stirring shaft and rotates and be connected for horizontal stirring shaft obtains the support of fixed pipe at pivoted in-process horizontal stirring shaft and horizontal seal bearing, is favorable to horizontal stirring shaft at the stability of rotation in-process.

The utility model discloses further set up to: extend on the agitator inner wall and have the orientation to be close to the snap ring that the agitator axis direction extends, be equipped with both ends and snap ring sliding connection's backup pad in the agitator, be fixed with the second sun gear that is run through by central (mixing) shaft in the backup pad, leave the space between second sun gear and the central (mixing) shaft all the time, be fixed with in the pivot of motor with second sun gear meshed's second driving gear, it is connected with supplementary (mixing) shaft to rotate in the backup pad, be fixed with supplementary stirring leaf and supplementary central stirring board on the supplementary (mixing) shaft.

Through adopting above-mentioned technical scheme, through backup pad and snap ring sliding connection, second driving gear and the meshing of second sun gear, second sun gear is fixed with the backup pad, when the motor during operation, the second driving gear drives the rotation of second sun gear, make the second sun gear drive the backup pad and rotate, the motor passes through the rotation of second driving gear drive second sun gear, make the rotation of second sun gear need not to provide extra driving energy, be favorable to the energy saving, it is connected with supplementary (mixing) shaft to rotate through the backup pad, make the backup pad drive supplementary (mixing) shaft rotate around central (mixing) shaft when rotating, make the stirring board area of mortar increase, make the mortar stirring.

The utility model discloses further set up to: and peripheral wall gears protruding towards the axis direction of the stirring barrel are arranged on the inner wall of the clamping ring, and auxiliary stirring gears meshed with the peripheral wall teeth are fixed on the auxiliary stirring shaft.

By adopting the technical scheme, the peripheral wall teeth are meshed with the auxiliary stirring gear, and the auxiliary stirring shaft is driven by the support plate to rotate, so that the auxiliary stirring shaft can rotate around the second central gear and also rotate around the axis of the auxiliary stirring shaft, the mortar is stirred by the auxiliary stirring shaft rotating around the axis of the auxiliary stirring shaft while the auxiliary stirring shaft rotates around the second central gear to stir the mortar, the stirring area and the stirring direction are increased when the auxiliary stirring shaft stirs the mortar, and the mortar is stirred more uniformly; meanwhile, a power device for driving the auxiliary stirring shaft to rotate is not required to be added, so that the cost is saved, the energy loss is reduced, and the energy-saving and environment-friendly effects are achieved.

The utility model discloses further set up to: the utility model discloses a snap ring, including the snap ring, the backup pad is close to the snap ring, the snap ring is close to the surperficial sunken circular recess that has, the backup pad is close to the side sunken spherical recess that has of snap ring, roll in the circular recess and be connected with the ball, the ball is inlayed in the spherical recess, ball and spherical recess butt.

By adopting the technical scheme, the round groove on the clamping ring is abutted with the ball, the spherical groove is abutted with the ball, and the friction between the support plate and the clamping ring is reduced in the rotating process of the support plate, so that the friction between the support plate and the clamping ring is favorably reduced, the power consumption of the motor is reduced, and the energy is saved; backup pad and snap ring reducing wear, increase of service life inlays in spherical groove through the ball for the ball is difficult for droing, reduces frictional force with lasting stability.

The utility model discloses further set up to: the auxiliary stirring shaft is sleeved with an auxiliary sealing bearing, the auxiliary stirring shaft is fixedly connected with the inner ring of the auxiliary sealing bearing, and the end part of the auxiliary stirring shaft is fixedly provided with a clamping plate abutted against the supporting plate.

Through adopting above-mentioned technical scheme, through fixed cardboard on the supplementary (mixing) shaft, cardboard and backup pad butt for supplementary (mixing) shaft receives the support of backup pad, makes the stability of supplementary (mixing) shaft at the in-process of stirring.

The utility model discloses further set up to: one end of the stirring barrel close to the barrel opening is hinged with a baffle for opening and closing the stirring barrel.

Through adopting above-mentioned technical scheme, be close to the articulated baffle of leading to and closing the agitator of bung hole one end through the agitator for the device in the agitator receives the protection, is difficult for by the oxidation, is favorable to prolonging agitating unit's life.

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

1. an included angle of 30-60 degrees is formed between the projection of the connecting line on the vertical plane where the axis of the central stirring shaft is located and the axis of the central stirring shaft, and the downward extending direction of the connecting line is opposite to the rotating direction of the spiral stirring blades, so that the central stirring shaft collides mortar in the stirring process, and the mortar is stirred more uniformly;

2. the supporting plate fixed with the second central gear drives the auxiliary stirring shaft on the supporting plate to rotate through the meshing of the second driving gear and the second central gear, so that the stirring area of the mortar is increased, and the mortar is uniformly stirred; the driving energy is reduced;

3. through the meshing of peripheral wall teeth and auxiliary stirring gear, make auxiliary stirring shaft rotate around self axis, make the direction of mortar stirring increase, make the mortar stirring more even.

Drawings

FIG. 1 is a schematic view of the overall structure of the mortar mixer of the present invention;

FIG. 2 is a schematic structural view of the inside of the mixing tank of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is an enlarged view of section C of FIG. 2;

fig. 6 is an enlarged schematic view of a portion D in fig. 2.

In the figure: 1. a fixing strip; 2. a support device; 21. a support bar; 22. a gravity block; 3. a baffle plate; 4. a feeding device; 51. auxiliary stirring blades; 52. an auxiliary stirring plate; 6. an auxiliary stirring device; 61. clamping a plate; 62. auxiliary sealing bearings; 63. an auxiliary stirring gear; 64. peripheral wall teeth; 65. an auxiliary stirring shaft; 7. a discharging device; 8. a vertical stirring device; 81. a horizontal stirring shaft; 82. a horizontal seal bearing; 83. a horizontal stirring blade; 84. rotating the bevel gear; 85. a fixed shaft; 86. fixing the bevel gear; 87. a fixed tube; 88. a horizontal stirring plate; 89. an aperture; 9. an active device; 91. a motor; 93. a first drive gear; 94. a second driving gear; 10. a driven device; 101. a central clamping block; 102. a center block; 103. a central stirring shaft; 104. a first sun gear; 105. a second sun gear; 106. a first center sealed bearing; 11. a support plate; 13. a snap ring; 131. a circular groove; 132. a ball bearing; 133. a spherical recess; 14. a second center sealed bearing; 5. a stirring barrel; 16. a spiral stirring blade; 17. a central stirring plate.

Detailed Description

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

The utility model provides a mortar mixer, refers to fig. 1, including strutting arrangement 2 and with 2 fixed agitator 5 of strutting arrangement, be fixed with feed arrangement 4 on 5 lateral walls of agitator, 5 bottoms of agitator are fixed with discharging device 7, 5 open ends of agitator one end hinge have lead to close 5 mouthfuls of baffle 3 of agitator, baffle 3 and agitator 5 pass through the hinge and articulate.

Referring to fig. 2, the supporting device 2 includes three supporting rods 21, one end of each supporting rod 21 is fixed to the mixing tank 5, a fixed point is located in the middle of the side wall of the mixing tank 5, the other end of each supporting rod 21 abuts against the ground, and a gravity block 22 is fixed to one end of each supporting rod 21 contacting with the ground, and the gravity blocks 22 are three in total.

Referring to fig. 2 and 3, the opening end of the stirring barrel 5 faces upward, a fixing strip 1 is fixed in the stirring barrel 5, two ends of the fixing strip 1 are fixed on the inner wall of the stirring barrel 5, the fixing point is close to the barrel opening of the stirring barrel 5, an active device 9 is fixed on the fixing strip 1, the active device 9 comprises a motor 91 with a rotating shaft facing the ground, and the rotating shaft of the motor 91 penetrates through the fixing strip 1 and extends along the direction facing the inside of the stirring barrel 5.

Referring to fig. 3, a driven device 10 is rotatably connected to the fixing bar 1, the driven device 10 includes a first central gear 104 and a central stirring shaft 103 fixed to the first central gear 104, a first driving gear 93 is fixed to the outside of the rotating shaft of the motor 91, the first driving gear 93 is engaged with the first central gear 104, and the number of teeth of the first driving gear 93 is ten times that of the first central gear 104.

Referring to fig. 2 and 4, a snap ring 13 extends in the mixing tank 5 along a direction close to the axis of the mixing tank 5, a circular groove 131 is formed in the snap ring 13 in a concave manner, a support plate 11 is connected to the snap ring 13 in a sliding manner, a spherical groove 133 is formed in the surface, facing the snap ring 13, of the support plate 11 in a concave manner, the cross section of the spherical groove 133 is an arc, a ball 132 is embedded in the spherical groove 133, the ball 132 rolls along the circular groove 131 to enable the snap ring 13 to be connected with the support plate 11 in a sliding manner, the number of the circular grooves 131 is two, the number of the spherical grooves 133 is four, two spherical grooves 133 are distributed at two.

Referring to fig. 3, a second driving gear 94 is fixed on a rotating shaft of the motor 91, the rotating shaft of the motor 91 penetrates through the second driving gear 94, a gap is left between the rotating shaft of the motor 91 and the supporting plate 11, a second central gear 105 meshed with the second driving gear 94 is fixed on a side surface of the supporting plate 11 away from the ground, the central stirring shaft 103 penetrates through the second central gear 105 along a rotating axis of the second central gear 105 and a gap is left between the central stirring shaft and the second central gear 105, and the number of teeth of the second central gear 105 is ten times that of the second driving gear 94.

Referring to fig. 3 and 5, the central stirring shaft 103 is located in the middle of the support plate 11, the central stirring shaft 103 is fixed with the spiral stirring blade 16 and the central stirring plate 17, a connecting line is formed at a fixed connection position of the central stirring plate 17 and the central stirring shaft 103, a projection of the connecting line on a vertical plane where an axis of the central stirring shaft 103 is located forms an included angle of 45 degrees with the axis of the central stirring shaft 103, in other embodiments, the projection of the connecting line and the axis of the central stirring shaft 103 may form included angles of 30 degrees, 40 degrees, 50 degrees, 60 degrees and the like, and a space is left between the central stirring plate 17 and the spiral stirring blade 16.

Referring to fig. 3, a central block 101 is fixed at an end of the central stirring shaft 103 close to the motor 91, a central block 102 is fixed on a surface of the fixing strip 1 close to the central block 101, a first central sealing bearing 106 is fixed in the central block 102, the central stirring shaft 103 is rotatably connected with the central block 102 through the first central sealing bearing 106, the first central sealing bearing 106 is embedded in the central block 102, the central stirring shaft 103 is fixedly connected with an inner ring of the first central sealing bearing 106, and the central block 101 abuts against the central block 102.

With reference to figure 5 of the drawings, in fig. 6, the central stirring shaft 103 is a hollow cylinder, a vertical stirring device 8 is fixed in the central stirring shaft 103, the vertical stirring device 8 includes a fixed shaft 85 with one end fixed at the bottom of the stirring barrel 5 and a plurality of fixed bevel gears 86 fixedly connected with the fixed shaft 85, the fixed shaft 85 penetrates through the fixed bevel gears 86 along the direction of the rotation axis of the fixed bevel gears 86, a plurality of holes 89 are formed in the central stirring shaft 103, a fixed pipe 87 communicated with the central stirring shaft 103 is fixed on the central stirring shaft 103, the fixed pipe 87 extends towards the outside of the central stirring shaft 103, the fixed pipe 87 is communicated with the central stirring shaft 103, a horizontal sealing bearing 82 is fixed on the inner wall of the fixed pipe 87, the outer ring of the horizontal sealing bearing 82 is fixed with the fixed pipe 87, a horizontal stirring shaft 81 is fixed on the inner ring of the horizontal sealing bearing 82, and a rotating bevel gear 84 meshed with the fixed bevel gears.

Referring to fig. 5 and 6, a horizontal stirring blade 83 and a horizontal stirring plate 88 are fixed on the shaft wall of the horizontal stirring shaft 81 outside the central stirring shaft 103, the horizontal stirring blade 83 and the spiral stirring blade 16 have the same structure, the horizontal stirring plate 88 and the central stirring plate 17 have the same structure, the area of the horizontal stirring blade 83 on the horizontal stirring shaft 81 is smaller than that of the spiral stirring blade 16 on the central stirring shaft 103, and the area of the horizontal stirring plate 88 is smaller than that of the central stirring plate 17.

Referring to fig. 5 and 6, a second central sealed bearing 14 is fixed at one end of the central stirring shaft 103 close to the bottom of the stirring barrel 5, the central stirring shaft 103 is rotatably connected with the fixed shaft 85, the fixed shaft 85 is fixedly connected with an inner ring of the second central sealed bearing 14, the central stirring shaft 103 is fixedly connected with an outer ring of the second central sealed bearing 14, the fixed shaft 85 extends out of the central stirring shaft 103, and a gap is left between the end of the central stirring shaft 103 close to the stirring barrel 5 and the bottom of the stirring barrel 5.

Referring to fig. 3, 4 and 5, an auxiliary sealing bearing 62 is embedded in the supporting plate 11, an auxiliary stirring shaft 65 is sleeved on the inner ring of the auxiliary sealing bearing 62, an auxiliary stirring blade 51 with the structure and the size consistent with those of the spiral stirring blade 16 on the central stirring shaft 103 is fixed on the auxiliary stirring shaft 65, an auxiliary stirring plate 52 with the structure and the size consistent with those of the central stirring plate 17 is fixed on the auxiliary stirring shaft 65, a clamping plate 61 is fixed at the end part of the auxiliary stirring shaft 65 close to the opening of the stirring barrel 5, the clamping plate 61 is abutted against the fixing strip 1, an auxiliary stirring gear 63 is fixed on the auxiliary stirring shaft 65, peripheral wall teeth 64 meshed with the auxiliary stirring gear 63 extend on the surface of the clamping ring 13 close to the central stirring shaft 103, the number of the auxiliary stirring shafts 65 is two, and the two auxiliary.

The working conditions and principles of the embodiment are as follows:

when mortar needs to be stirred, mixed materials needing to be stirred are conveyed into the stirring barrel 5 from the feeding device 4, then the motor 91 is started, the rotating shaft of the motor 91 is rotated, the first driving gear 93 drives the first central gear 104 to rotate, the first central gear 104 drives the central stirring shaft 103 to rotate, the central stirring shaft 103 drives the spiral stirring blades 16 and the central stirring plate 17 to rotate, the spiral stirring blades 16 and the central stirring plate 17 are enabled to stir the mortar, the central stirring shaft 103 drives the horizontal stirring shaft 81 to rotate around the central stirring shaft 103 and simultaneously drives the horizontal stirring shaft 81 to rotate around the axis of the horizontal stirring shaft 81, the mortar is simultaneously stirred by the spiral stirring blades 16, the central stirring plate 17, the horizontal stirring plate 88 and the horizontal stirring blades 83 on the central stirring shaft 103, the mortar is stirred in multiple directions, and the moving direction of the mortar is complex and changeable, increase the stirring direction of the mortar and increase the stirring area of the mortar.

An included angle of 45 degrees is formed between the projection of the connecting line on the vertical plane where the axis of the central stirring shaft 103 is located and the axis of the central stirring shaft 103, so that the motion directions of mortar stirred by the spiral stirring blades 16 and mortar stirred by the central stirring plate 17 are opposite, the met mortar collides, the collided mortar is fully mixed, and the mortar is fully stirred.

Horizontal (mixing) shaft 81 is along vertical direction pivoted in the time, still rotate along the rotation direction of central (mixing) shaft 103 under the drive of central (mixing) shaft 103, make the mortar of a plurality of directions collide, make the mortar mix more abundant, thereby make the mortar stirring more even, through fixed rotation bevel gear 84 and the meshing of fixed bevel gear 86 on horizontal (mixing) shaft 81, utilize the drive of central (mixing) shaft 103, make central (mixing) shaft 103 drive horizontal (mixing) shaft 81 at the pivoted in-process and rotate around self axis.

When the rotating shaft of the motor 91 rotates, the second driving gear 94 drives the second central gear 105 to rotate, so that the second central gear 105 drives the support plate 11 to rotate, so that the support plate 11 rotates around the central stirring shaft 103, because the support plate 11 is abutted to the balls 132, the contact surface between the support plate 11 and the clamping ring 13 in the rotating process is reduced, the friction between the support plate 11 and the clamping ring 13 is reduced, the support plate 11 rotates to drive the auxiliary stirring shaft 65 to rotate around the central stirring shaft 103, in the rotating process of the auxiliary stirring shaft 65, because the auxiliary stirring gear 63 on the auxiliary stirring shaft 65 is meshed with the peripheral wall teeth 64, the auxiliary stirring shaft 65 rotates around the central stirring shaft 103, meanwhile, the auxiliary stirring shaft 65 also rotates around the self axis, the energy for driving the auxiliary stirring shaft 65 to move around the self axis; the area of the mortar which is stirred simultaneously is increased.

Through motor 91 and the meshing of first driving gear 93 and first sun gear 104, second driving gear 94 and the meshing of second sun gear 105, the indirect rotation that has driven central (mixing) shaft 103 and supplementary (mixing) shaft 65 for the rotation of central (mixing) shaft 103 and supplementary (mixing) shaft 65 need not to provide extra driving energy, is favorable to the energy saving.

The tooth number of the first central gear 104 is less than that of the first motor 91, so that the transmission ratio of the first driving gear 93 to the first central gear 104 is greater than 1, the rotating speed of the central stirring shaft 103 is higher than that of the motor 91, the number of times of stirring the mortar in the same time is increased, and the uniform stirring of the mortar is facilitated.

When the mortar is stirred and used, the motor 91 is turned off to stop the rotation of the central stirring shaft 103 and the supporting plate 11, and then the valve of the discharging device 7 is adjusted to obtain the mortar after being stirred uniformly.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A mortar mixer is characterized in that: agitating unit in agitator (5) and agitator (5), agitating unit is including fixing fixed strip (1) of keeping away from the one end on ground in agitator (5), it is connected with central (mixing) shaft (103) to rotate on fixed strip (1), central (mixing) shaft (103) external fixation has first sun gear (104), be fixed with motor (91) of pivot towards ground on fixed strip (1), the pivot external fixation of motor (91) has first driving gear (93), first driving gear (93) and first sun gear (104) meshing, be fixed with spiral stirring leaf (16) and a plurality of central stirring board (17) on central (mixing) shaft (103), central stirring board (17) and the fixed connection department of central (mixing) shaft (103) form the connecting wire, the projection of connecting wire on the vertical plane of axis place of central (103) and the axis of central (mixing) shaft (103) form 30-60's clamp The connecting line extends downwards along the spiral rising direction of the spiral stirring blade (16), and a distance is reserved between the central stirring plate (17) and the spiral stirring blade (16).

2. A mortar mixer according to claim 1, wherein: the central stirring shaft (103) is in a hollow cylindrical shape, a fixed shaft (85) with one end fixed at the bottom of the stirring barrel (5) is fixed in the central stirring shaft (103), the fixed shaft (85) is rotationally connected with the central stirring shaft (103), a plurality of fixed bevel gears (86) are fixed on the fixed shaft (85), a hole (89) is formed in the central stirring shaft (103), a horizontal sealing bearing (82) is fixed in the hole (89) of the central stirring shaft (103), the horizontal sealing bearing (82) extends out of the central stirring shaft (103) from the hole (89), a horizontal stirring shaft (81) penetrating through the horizontal sealing bearing (82) is fixed on the inner ring of the horizontal sealing bearing (82), and a rotating bevel gear (84) meshed with the fixed bevel gears (86) is fixedly connected at one end of the horizontal stirring shaft (81) inserted into the central stirring shaft (103), a horizontal stirring blade (83) and a horizontal central stirring plate (17) are fixed at one end of the horizontal stirring shaft (81) extending out of the central stirring shaft (103).

3. A mortar mixer according to claim 2, wherein: the central stirring shaft (103) extends along the axial direction of the horizontal sealing bearing (82) to form a fixed pipe (87) facing the outside of the central stirring shaft (103), and the fixed pipe (87) is fixedly connected with the outer ring of the horizontal sealing bearing (82).

4. A mortar mixer according to claim 1, wherein: extend on agitator (5) inner wall and have snap ring (13) that the orientation extends near agitator (5) axis direction, be equipped with both ends and snap ring (13) sliding connection's backup pad (11) in agitator (5), be fixed with second sun gear (105) that are run through by central (mixing) shaft (103) on backup pad (11), leave the space between second sun gear (105) and central (mixing) shaft (103) all the time, be fixed with in the pivot of motor (91) with second sun gear (105) engaged with second driving gear (94), it is connected with supplementary (mixing) shaft (65) to rotate on backup pad (11), be fixed with supplementary stirring leaf (51) and supplementary central stirring board (17) on supplementary (mixing) shaft (65).

5. A mortar mixer according to claim 4, wherein: and peripheral wall gears protruding towards the axial direction of the stirring barrel (5) are arranged on the inner wall of the clamping ring (13), and auxiliary stirring gears (63) meshed with the peripheral wall teeth (64) are fixed on the auxiliary stirring shafts (65).

6. A mortar mixer according to claim 5, wherein: the surface depression that snap ring (13) is close to backup pad (11) has circular recess (131), the side depression that backup pad (11) is close to snap ring (13) has spherical recess (133), roll in circular recess (131) and be connected with ball (132), ball (132) are inlayed in spherical recess (133), ball (132) and spherical recess (133) butt.

7. A mortar mixer according to claim 5, wherein: supplementary (mixing) shaft (65) overcoat has supplementary sealed bearing (62), supplementary (mixing) shaft (65) and supplementary sealed bearing (62) inner circle fixed connection, the end fixing of supplementary (mixing) shaft (65) has cardboard (61) with backup pad (11) butt.

8. A mortar mixer according to claim 1, wherein: one end of the stirring barrel (5) close to the barrel opening is hinged with a baffle (3) which is used for opening and closing the stirring barrel (5).

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