Detachable stirring shaft structure of mortar stirrer

Abstract

The utility model discloses a detachable mixing shaft structure of a mortar mixer, which relates to the related technical field of building equipment parts, and comprises a mixing shaft and mixing blades, the mixing shaft is provided with a mounting screw head and a plurality of fixing piles, the fixing piles are arranged around the mixing shaft by taking the mixing shaft as a shaft, the cross section of each fixing pile is trapezoidal, and the mounting screw head and the fixing piles are arranged on the periphery of the mixing shaft. The long sides of the trapezoid fixing piles are fixedly connected with the outer side face of the stirring shaft, the lower end face of the mounting screw head is fixedly connected with the upper end face of the stirring shaft, the stirring blades correspond to the fixing piles one to one, the stirring blades are in the outward-inward wide direction, and first grooves are formed in the inner side faces of the stirring blades. The shape of the first groove corresponds to the shape of the fixing pile, the outer end of the fixing pile is arranged in the first groove, and the stirring blade is connected with the fixing pile. The stirring device has the beneficial effects that the stirring blades can scrape the stirring barrel, and the stirring blades are not easy to break.

Description

Technical Field

[0001] The utility model relates to the relevant technical field of construction equipment components, in particular to a detachable stirring shaft structure of a mortar mixer. Background Art

[0002] Mortar is a bonding material used for bricklaying in construction. It is composed of a certain proportion of sand and cementing materials and water. During the construction process, it is usually necessary to crush large pieces of sand and stone and other raw materials into powder, and then mix them with other auxiliary materials and water to form mortar for use. This is inseparable from the use of a mortar mixer. The diameter of the stirring blade extending from the stirring shaft of the existing mortar mixer is relatively short, so that it is impossible to scrape the inner wall of the mixing barrel when stirring the slurry, which is easy to leave residues on the inner wall of the mixing barrel. If the outer side of the stirring blade on the stirring shaft contacts the inner wall of the mixing barrel, it is easy to break, which reduces the service life of the stirring shaft. Utility Model Content

[0003] The utility model aims to overcome the shortcomings in the prior art that the stirring blades cannot scrape the inner wall of the stirring barrel to leave residues, and scraping the inner wall of the stirring barrel easily causes the stirring blades to break. A detachable stirring shaft structure for a mortar mixer is provided, in which the stirring blades can scrape the stirring barrel and are not likely to cause the stirring blades to break.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A detachable stirring shaft structure of a mortar mixer comprises a stirring shaft and stirring blades, the stirring shaft is provided with a mounting screw head and a fixing pile, there are a plurality of fixing piles which surround the stirring shaft with the stirring shaft as the axis, the cross-sectional shape of the fixing pile is trapezoidal, the long side of the trapezoid of the fixing pile is fixedly connected to the outer side surface of the stirring shaft, the lower end surface of the mounting screw head is fixedly connected to the upper end surface of the stirring shaft, there are a plurality of stirring blades which correspond one to one with the fixing piles, the shape of the stirring blade is outer wide and inner wide, a groove one is provided on the inner side surface of the stirring blade, the shape of the groove one corresponds to the shape of the fixing pile, the outer end of the fixing pile is placed in the groove one, and the stirring blade is connected to the fixing pile.

[0006] When in use, press the stirring blade inwards, let the fixing pile move in groove 1, let the outer end of the stirring blade adapt to the diameter of the stirring barrel, and after the stirring blade and the stirring shaft are entered into the stirring barrel, relax the stirring blade, let the outer end of the stirring blade close to the inner wall of the stirring barrel, and then use the mounting screw head to fix the connection with the shaft of the rotating motor. Finally, turn on the rotating motor, the stirring shaft starts to rotate, and the stirring blade can scrape the inner wall of the stirring barrel for stirring. The cross-sectional shape of the fixing pile is trapezoidal, and the shape of the stirring blade is outer and inner wide, which can improve the strength of the stirring blade, so that the stirring blade can scrape the stirring barrel without easily causing the stirring blade to break.

[0007] Preferably, groove 2 is provided on both sides of the fixing pile, and two movable rods are provided on the inner side wall of groove 1, one end of the movable rod is fixedly connected to the inner side wall of groove 1, and the other end of the movable rod is placed in groove 2, and the movable rod corresponds to groove 2 one by one. Spring 1 and spring 2 are provided in groove 2, one end of spring 1 is fixedly connected to the outer side surface of groove 2, and the other end of spring 1 contacts the outer side surface of the movable rod, one end of spring 2 is fixedly connected to the inner side surface of groove 2, and the other end of spring 2 contacts the inner side surface of the movable rod. Spring 1 and spring 2 can allow the movable blade to change the rotation diameter by itself, and there is a movable margin, thereby improving the strength of the stirring blade.

[0008] Preferably, two baffles 1 are provided on the inner wall of the groove 2, and the baffles 1 are respectively placed on the inner and outer sides of the movable rod, and the baffles 1 are fixedly connected to the inner wall of the groove 2. Baffles 2 are provided on the inner and outer sides of the movable rod, and the baffles 2 are fixedly connected to the movable rod, one baffle 2 is placed between the spring 1 and baffle 1, and the other baffle 2 is placed between the spring 2 and baffle 1. The cooperation between baffles 1 and 2 is to minimize the mortar from entering the gap and damaging the spring.

[0009] Preferably, the spring 1 and the spring 2 are both provided with support bars, one end of the two support bars is fixedly connected to the spring 1 and the spring 2 respectively, and the other end of the two support bars is in contact with the inner and outer sides of the movable rod respectively. The support bars can make the movable rod evenly force the spring 1 and the spring 2.

[0010] Preferably, the mounting screw head is provided with a convex ring and a fastening nut, the convex ring surrounds the outer side surface of the mounting screw head, the convex ring is fixedly connected to the outer side surface of the mounting screw head, the fastening nut surrounds the outer side surface of the mounting screw head, the inner bottom surface of the fastening nut is placed below the convex ring, and the fastening nut is clamped with the mounting screw head through the convex ring. The mounting screw head can fix the stirring shaft, and the convex ring and the fastening nut can further fix the stirring shaft.

[0011] Preferably, the stirring blade is provided with a plurality of long holes, and the upper and lower adjacent long holes are perpendicular to each other. The upper and lower adjacent long holes are perpendicular to each other, which allows the mortar to pass through while ensuring the strength of the stirring blade.

[0012] The beneficial effects of the utility model are: the mixing blade can scrape the mixing barrel and it is not easy to cause the mixing blade to break; the spring one and the spring two can allow the movable blade to change the rotation diameter by itself, and there is a movable margin, thereby improving the strength of the mixing blade; the cooperation of the baffle bar one and the baffle bar two is to minimize the mortar from entering the gap and damaging the spring; the support bar can allow the movable rod to evenly load the spring one and the spring two; the installation screw head can fix the mixing shaft, and the convex ring and the fastening nut can further fix the mixing shaft; the upper and lower adjacent long holes are perpendicular to each other, which can allow mortar to pass through while ensuring the strength of the mixing blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2 It is a cross-sectional view of the main view of the utility model;

[0015] Figure 3 It is a cross-sectional view of the top view of the utility model;

[0016] Figure 4 yes Figure 3 Detail of A is enlarged.

[0017] In the figure: 1. stirring shaft, 2. stirring blade, 3. mounting screw, 4. fixing pile, 5. groove 1, 6. groove 2, 7. movable rod, 8. spring 1, 9. spring 2, 10. stop bar 1, 11. stop bar 2, 12. support bar, 13. convex ring, 14. fastening nut, 15. long hole. DETAILED DESCRIPTION

[0018] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0019] like Figures 1 to 3In the embodiment of the invention, a detachable stirring shaft structure of a mortar mixer is provided, which includes a stirring shaft 1 and a stirring blade 2. The stirring shaft 1 is provided with a mounting screw head 3 and a fixing pile 4. There are several fixing piles 4 and they are surrounded by the stirring shaft 1 with the stirring shaft 1 as the axis. The cross-sectional shape of the fixing pile 4 is trapezoidal. The long side of the trapezoid of the fixing pile 4 is fixedly connected to the outer side surface of the stirring shaft 1. The lower end surface of the mounting screw head 3 is fixedly connected to the upper end surface of the stirring shaft 1. There are several stirring blades 2 and they correspond to the fixing piles 4 one by one. The shape of the stirring blade 2 is outside and inside wide. A groove 5 is provided on the inner side surface of the stirring blade 2. The shape of the groove 5 corresponds to the shape of the fixing pile 4. The outer end of the fixing pile 4 is placed in the groove 5, and the stirring blade 2 is connected to the fixing pile 4.

[0020] like Figure 3 and Figure 4 As shown, grooves 26 are provided on both sides of the fixed pile 4, and two movable rods 7 are provided on the inner wall of the groove 15. One end of the movable rod 7 is fixedly connected to the inner wall of the groove 15, and the other end of the movable rod 7 is placed in the groove 26. The movable rod 7 corresponds to the groove 26 one by one. A spring 18 and a spring 29 are provided in the groove 26. One end of the spring 18 is fixedly connected to the outer side surface of the groove 26, and the other end of the spring 18 contacts with the outer side surface of the movable rod 7. One end of the spring 29 is fixedly connected to the inner side surface of the groove 26, and the other end of the spring 29 contacts with the inner side surface of the movable rod 7.

[0021] like Figure 4 As shown, two baffles 10 are provided on the inner wall of the groove 2 6, and the baffles 10 are respectively placed on the inner and outer sides of the movable rod 7, and the baffles 10 are fixedly connected to the inner wall of the groove 2 6. Baffles 2 11 are provided on the inner and outer sides of the movable rod 7, and the baffles 2 11 are fixedly connected to the movable rod 7. One baffle 2 11 is placed between the spring 1 8 and the baffle 10, and the other baffle 2 11 is placed between the spring 2 9 and the baffle 10.

[0022] like Figure 4 As shown, spring one 8 and spring two 9 are both provided with support bars 12, one end of the two support bars 12 is respectively fixedly connected to spring one 8 and spring two 9, and the other end of the two support bars 12 is respectively in contact with the inner and outer sides of the movable rod 7.

[0023] like Figure 1 and Figure 2 As shown, a convex ring 13 and a fastening nut 14 are provided on the mounting screw head 3. The convex ring 13 surrounds the outer surface of the mounting screw head 3, and the convex ring 13 is fixedly connected to the outer side surface of the mounting screw head 3. The fastening nut 14 surrounds the outer side surface of the mounting screw head 3, and the inner bottom surface of the fastening nut 14 is placed below the convex ring 13. The fastening nut 14 is clamped with the mounting screw head 3 through the convex ring 13.

[0024] like Figure 1 and Figure 2As shown, the stirring blade 2 is provided with a plurality of long holes 15 , and the upper and lower adjacent long holes 15 are perpendicular to each other.

[0025] When in use, press the stirring blade 2 inward, let the fixing pile 4 move in the groove 1 5, and let the movable rod 7 move in the groove 2 6, so that the outer end of the stirring blade 2 can adapt to the diameter of the stirring barrel. After the stirring blade 2 and the stirring shaft 1 enter the stirring barrel, relax the stirring blade 2, and the spring 1 8 and the spring 2 9 will allow the support bar 12 to move the movable rod 7 to a suitable position, so that the outer end of the stirring blade 2 is close to the inner wall of the stirring barrel, and then use the mounting screw head 3 to fix it with the shaft of the rotating motor, and then let the convex ring 13 clamp the fastening nut 14 to strengthen the fixed connection with the shaft of the rotating motor, and finally turn the rotating motor on. When the mixing shaft 1 is turned on, the mixing shaft 1 starts to rotate, and the mixing blade 2 can scrape the inner wall of the mixing barrel for mixing. During mixing, the long hole 15 will allow the mortar to pass through, reducing the pressure on the mixing blade 2 and making the mortar more delicate. The cooperation of the baffle 10 and the baffle 2 11 allows the mixing blade 2 to move while reducing the mortar from entering the groove 2 6, reducing the damage of the spring 1 8 and the spring 2 9. The cross-sectional shape of the fixed pile 4 is trapezoidal, and the shape of the mixing blade 2 is outer and inner wide, which can improve the strength of the mixing blade 2, so that the mixing blade can scrape the mixing barrel without easily causing the mixing blade to break.

Claims

1. A detachable stirring shaft structure of a mortar mixer, characterized in that: The invention comprises a stirring shaft (1) and a stirring blade (2), wherein a mounting screw head (3) and a fixing pile (4) are provided on the stirring shaft (1), wherein the fixing pile (4) is in a plurality and surrounds the stirring shaft (1) with the stirring shaft (1) as the axis, wherein the cross-sectional shape of the fixing pile (4) is trapezoidal, wherein the long side of the trapezoid of the fixing pile (4) is fixedly connected to the outer side surface of the stirring shaft (1), and the lower end surface of the mounting screw head (3) is fixedly connected to the upper end surface of the stirring shaft (1), wherein the stirring blade (2) is in a plurality and corresponds to the fixing pile (4) one by one, wherein the shape of the stirring blade (2) is in an outer width and inner width direction, wherein a groove (5) is provided on the inner side surface of the stirring blade (2), wherein the shape of the groove (5) corresponds to the shape of the fixing pile (4), wherein the outer end of the fixing pile (4) is placed in the groove (5), and the stirring blade (2) is connected to the fixing pile (4).

2. The detachable stirring shaft structure of a mortar mixer according to claim 1 is characterized in that: A groove 2 (6) is provided on both sides of the fixing pile (4), and two movable rods (7) are provided on the inner side wall of the groove 1 (5), one end of the movable rod (7) is fixedly connected to the inner side wall of the groove 1 (5), and the other end of the movable rod (7) is placed in the groove 2 (6), and the movable rod (7) corresponds to the groove 2 (6) one to one. A spring 1 (8) and a spring 2 (9) are provided in the groove 2 (6), one end of the spring 1 (8) is fixedly connected to the outer side surface of the groove 2 (6), and the other end of the spring 1 (8) contacts the outer side surface of the movable rod (7), one end of the spring 2 (9) is fixedly connected to the inner side surface of the groove 2 (6), and the other end of the spring 2 (9) contacts the inner side surface of the movable rod (7).

3. The detachable stirring shaft structure of a mortar mixer according to claim 2, characterized in that: Two baffles (10) are provided on the inner wall of the second groove (6), and the baffles (10) are respectively placed on the inner and outer sides of the movable rod (7), and the baffles (10) are fixedly connected to the inner wall of the second groove (6). Baffles (11) are provided on the inner and outer sides of the movable rod (7), and the baffles (11) are fixedly connected to the movable rod (7). One baffle (11) is placed between the first spring (8) and the baffle (10), and the other baffle (11) is placed between the second spring (9) and the baffle (10).

4. A detachable stirring shaft structure for a mortar mixer according to claim 2 or 3, characterized in that: The spring one (8) and the spring two (9) are both provided with a support bar (12), one end of the two support bars (12) is respectively fixedly connected to the spring one (8) and the spring two (9), and the other ends of the two support bars (12) are respectively in contact with the inner and outer sides of the movable rod (7).

5. The detachable stirring shaft structure of a mortar mixer according to claim 1, characterized in that: The mounting screw head (3) is provided with a convex ring (13) and a fastening nut (14); the convex ring (13) surrounds the outer side surface of the mounting screw head (3); the convex ring (13) is fixedly connected to the outer side surface of the mounting screw head (3); the fastening nut (14) surrounds the outer side surface of the mounting screw head (3); the inner bottom surface of the fastening nut (14) is placed below the convex ring (13); and the fastening nut (14) is clamped with the mounting screw head (3) through the convex ring (13).

6. The detachable stirring shaft structure of a mortar mixer according to claim 1, characterized in that: The stirring blade (2) is provided with a long hole (15), there are a plurality of the long holes (15), and the upper and lower adjacent long holes (15) are perpendicular to each other.

Images