CN211566414U

CN211566414U - Cement mortar mixer

Info

Publication number: CN211566414U
Application number: CN201922321655.XU
Authority: CN
Inventors: 宾兴旺; 张小刚; 张林涛
Original assignee: Xi'an First Railway Engineering Consulting And Supervision Co ltd
Current assignee: Xi'an First Railway Engineering Consulting And Supervision Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-25
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to a cement mortar mixer in cement test block preparation equipment field, aim at solving the problem that cement and grit splashes at the stirring in-process, it includes agitating unit and the agitated kettle on base and the base, agitating unit is including setting up (mixing) shaft and the drive (mixing) shaft pivoted drive arrangement in the agitated kettle, be equipped with the stirring leaf on the (mixing) shaft, can dismantle on the agitated kettle and be connected with the closing cap, be equipped with the disc coaxial with the agitated kettle on the closing cap, be equipped with the through-hole that supplies the (mixing) shaft to pass on the disc, the (mixing) shaft rotates with the through-hole to be connected, be equipped with the bearing of being connected with the disc on the (mixing) shaft, be equipped with the round hole coaxial with the agitated kettle on the closing cap. The utility model discloses have the effect of the cement and the grit that reduce to fly out from the agitated kettle.

Description

Cement mortar mixer

Technical Field

The utility model belongs to the technical field of the technique of cement test block preparation equipment and specifically relates to a cement mortar mixer is related to.

Background

The cement mortar mixer is one of indispensable devices in cement laboratories of cement factories, building construction units, related professional colleges and scientific research units; the strength of the cement is that the cement and standard sand are mixed according to the proportion of 1: 3 mixing, adding a specified amount of water, preparing a test piece according to a specified method, curing according to a specified method, measuring the compressive strength and the flexural strength of 3d and 28d respectively, and determining the strength grade of cement according to the measurement result, so that the cement mortar mixer for mixing cement mortar becomes one of indispensable devices necessary for cement laboratories of cement factories, building and construction units, related professional colleges and scientific research units.

The current chinese patent with publication number CN207724575U discloses a cement mortar mixer, the key points of the technical scheme are that the mixer comprises a base, a mixing pot, a mixing component, a motor, the mixing component includes a mixing shaft, a mixing blade connected on the mixing shaft and extending into the mixing pot, the mixing shaft is connected with an eccentric seat through a bearing, a main shaft is arranged in a transmission case, an output shaft of the motor is connected with the main shaft through a transmission component, the end part of the main shaft is fixedly connected with the eccentric seat, the mixing component is connected with the eccentric seat, a double-speed starting circuit is connected on the motor, an on-off button is arranged on the double-speed starting circuit, a start-stop protection circuit used for preventing the motor from being frequently started is connected on the double-speed starting circuit, the start-stop protection circuit comprises a start-stop signal input circuit, a start-stop.

During stirring, the motor drives the stirring shaft and the stirring blades to do eccentric motion in the stirring pot through the main shaft and the eccentric seat. The start-stop protection circuit can prevent the motor from being frequently started according to the triggering times of the start-stop button.

The above prior art solutions have the following drawbacks: when the cement mortar and mortar mixer in the technical scheme is used for mixing, cement and sand are easy to spill out from the opening of the mixing pot, so that the environment is polluted, and the health of operators is easily endangered.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cement mortar mixer, which has the effects of reducing the cement and sand flying out from the mixing pot.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a cement mortar mixer, agitating unit and agitated kettle on base and the base, agitating unit is including setting up (mixing) shaft and drive (mixing) shaft pivoted drive arrangement in the agitated kettle, be equipped with the stirring leaf on the (mixing) shaft, can dismantle on the agitated kettle and be connected with the closing cap, be equipped with the disc coaxial with the agitated kettle on the closing cap, be equipped with the through-hole that supplies the (mixing) shaft to pass on the disc, the (mixing) shaft rotates with the through-hole to be connected, be equipped with the bearing of being connected with the disc on the (mixing) shaft, be equipped with the round hole coaxial with the agitated kettle on the closing cap, the internal diameter of round hole is greater than the distance in (.

By adopting the technical scheme, during stirring, the stirring shaft and the stirring blades rotate around the axis of the stirring pot to stir cement mortar in the stirring pot, the circular hole of the sealing cover with the circular hole seals the area of the stirring shaft, which is far away from one side of the stirring pot, and the inner diameter of the circular hole is larger than the distance between the stirring shaft and the axis of the stirring pot, so that the sealing cover provides a movable area for eccentric rotation of the stirring shaft; the disc which is rotationally connected with the stirring shaft rotates around the axis of the stirring pot, and the inner diameter of the round hole is not larger than the radius of the disc, so that the round hole on the sealing cover can be sealed by the rotating disc, and the opening of the stirring pot is sealed by the disc and the sealing cover together. Thereby reducing the cement and sand flying out of the mixing kettle. The stirring shaft is connected with the disc through the bearing, so that the position of the disc on the stirring shaft can be fixed, and the friction between the disc stirring shaft and the disc can be reduced.

The utility model discloses further set up to: the stirring pot is characterized in that a first connecting piece is arranged on the side wall of one end, close to the closed cover, of the stirring pot, a second connecting piece corresponding to the first connecting piece is arranged on the closed cover, the first connecting piece and the second connecting piece are connected through bolts, and holes for bolts to penetrate through are formed in the first connecting piece and the second connecting piece.

Through adopting above-mentioned technical scheme, adjust first connection piece and second connection piece on closing cap and the agitator kettle well, pass the trompil with the bolt and can be connected first connection piece and second connection piece to seal the opening with the agitator kettle, rotate after the stirring is accomplished and dismantle the bolt and just can separate closing cap and agitator kettle, pour the cement mortar that the stirring is good.

The utility model discloses further set up to: one side of the first connecting sheet facing the second connecting sheet is provided with a hemispherical protrusion, and one side of the second connecting sheet facing the first connecting sheet is provided with a hemispherical groove corresponding to the hemispherical protrusion.

Through adopting above-mentioned technical scheme, be close to on first connecting piece and the second connecting piece, make hemisphere arch and hemisphere recess coincidence adjust well the trompil on first connecting piece and the second connecting piece through removing the closing cap, reduce to adjust well the time that two trompils need, improve the efficiency of connecting closing cap and agitated kettle.

The utility model discloses further set up to: the inner diameter of the round hole is consistent with the radius of the disc, and the peripheral side wall of the disc is attached to the inner wall of the round hole.

By adopting the technical scheme, the material consumption of the disc can be reduced; the periphery lateral wall of disc and the inner wall laminating of round hole, the inner wall rotation of round hole is hugged closely to the disc, stabilizes the rotation of disc, reduces rocking of disc to reduce the clearance between disc and the round hole, reduce the cement and the grit of flying out from the agitator kettle.

The utility model discloses further set up to: and a plurality of balls are arranged on the side wall of the disc parallel to the axial direction of the stirring shaft.

Through adopting above-mentioned technical scheme, the ball can reduce the friction between disc and the closing cap, stabilizes the rotation of disc and (mixing) shaft, reduces the disc card and dies the condition in the round hole, improves disc pivoted stability.

The utility model discloses further set up to: one side of the disc facing the stirring blade is provided with a circular ring connecting sheet which is attached to one side face of the sealing cover facing the stirring blade.

By adopting the technical scheme, the annular connecting piece can shield the external part of the disc and the circular hole in butt joint, so that cement and sand flying out of the stirring pot can be reduced; then can reduce cement and grit that get into between disc and the closing cap, reduce the disc and blocked the condition by the grit, improve disc pivoted stability. Reduce cement and grit that get into between disc and the closing cap, just also reduced cement and grit with the ball contact, reduced the condition that the ball is not changeed by cement and grit bonding, stabilized the rotation of ball, stabilized the rotation of disc, reduced the wearing and tearing to the closing cap.

The utility model discloses further set up to: the utility model discloses a storage device, including base, closing cap, discharge pipe, storage hopper, closing cap, top one side fixedly connected with storage hopper of base, be equipped with the feed inlet on the closing cap, storage hopper's lower extreme is equipped with the discharge pipe, the lower extreme and the feed inlet of discharge pipe are connected.

Through adopting above-mentioned technical scheme, discharge funnel passes through the discharging pipe and is connected with the closing cap, and the closing cap keeps stewing with the base, goes out that funnel can be stable and agitator kettle intercommunication. The cement can be added into the stirring pot in batches at regular time through the storage hopper. Water, sand, etc. Raw materials enter the stirring kettle from the feeding hole through the discharging pipe. The convenient reinforced efficiency of improving is reinforced.

The utility model discloses further set up to: and one side of the bearing, which faces the stirring pot, is provided with an annular plate connected with the outer ring and the inner ring of the bearing.

Through adopting above-mentioned technical scheme, the cavity closure between bearing inner race and the outer lane is closed to the annular slab, prevents that cement and grit in the agitated kettle from getting into between the inner race and the outer lane of bearing, reduces the dead condition of bearing other cement and grit card, stabilizes the rotation of (mixing) shaft.

To sum up, the utility model discloses a beneficial technological effect does:

1. the closed cover and the disc reduce the cement and sand flying out of the mixing pot;

2. the inner diameter of the hole is consistent with the radius of the disc, so that the material consumption of the disc can be reduced, and the rotation of the disc is stabilized;

3. the arrangement of the circular ring connecting sheet and the circular plate stabilizes the rotation of the disc and the stirring shaft.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the side of the closing cover facing the stirring pan.

Fig. 3 is a schematic structural view of the first connecting piece and the second connecting piece of the present invention.

Reference numerals: 1. a base; 11. a stirred pot; 12. a drive device; 13. a support plate; 14. a stirring shaft; 15. stirring blades; 16. a stirring device; 2. a material storage hopper; 21. a discharge pipe; 22. a feed inlet; 3. a closure cap; 31. a circular hole; 32. a disc; 33. a through hole; 34. a bearing; 35. an annular plate; 4. a bolt; 41. a first connecting piece; 42. a second connecting sheet; 43. opening a hole; 44. hemispherical bulges; 45. a hemispherical groove; 5. a ball bearing; 51. and a circular ring connecting sheet.

Detailed Description

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

As shown in fig. 1, for the cement mortar mixer disclosed by the present invention, the mixer comprises a base 1, and a mixing device 16 and a mixing pot 11 on the base 1, wherein a support plate 13 for supporting the bottom of the mixing pot 11 is arranged on the base 1, the mixing device 16 comprises a mixing shaft 14 arranged in the mixing pot 11 and a driving device 12 for driving the mixing shaft 14 to rotate, the driving device 12 is fixed on the base 1, and in this embodiment, the driving device 12 is a motor; stirring blades 15 are arranged on the stirring shaft 14, a storage hopper 2 is fixedly connected to one side of the upper portion of the base 1, and a discharge pipe 21 is arranged at the lower end of the storage hopper 2.

As shown in fig. 1 and 2, in order to reduce cement and sand flying out of the opening of the stirring pot 11, the stirring pot 11 is detachably connected with a sealing cover 3, a disc 32 coaxial with the stirring pot 11 is arranged on the sealing cover 3, a through hole 33 for the stirring shaft 14 to pass through is arranged on the disc 32, the stirring shaft 14 is rotatably connected with the through hole 33, a bearing 34 connected with the disc 32 is arranged on the stirring shaft 14, the inner ring of the bearing 34 is fixedly connected with the stirring shaft 14, and the outer ring of the bearing 34 is fixedly connected with the sealing plate. The closing cover 3 is provided with a round hole 31 which is coaxial with the stirring pot 11, and the inner diameter of the round hole 31 is larger than the distance between the stirring shaft 14 and the axle center of the stirring pot 11 and is not larger than the radius of the disc 32; be equipped with feed inlet 22 on closing cap 3, on feed inlet 22 set up and deviate from the closing plate of (mixing) shaft 14 one side, the lower extreme and the feed inlet 22 of discharging pipe 21 are connected, and in this embodiment, the lower extreme and the closing cap 3 welding of discharging pipe 21 are in the same place.

As shown in fig. 1 and 2. The inner diameter of the circular hole 31 is in accordance with the radius of the disc 32, and the outer peripheral side wall of the disc 32 is in contact with the inner wall of the circular hole 31. The disc 32 rotates against the closure 3 to stabilize the rotation of the disc 32.

As shown in fig. 1 and fig. 2, in order to further reduce the situation that the disc 32 and the stirring shaft 14 are jammed, a plurality of balls 5 are arranged on the side wall of the disc 32 parallel to the axial direction of the stirring shaft 14, a groove for embedding the balls 5 is arranged on the disc, and the balls 5 are attached to the inner wall of the groove; the side of the disk 32 facing the stirring blades 15 is provided with a ring connecting piece 51 which is attached to one side of the closing cover 3 facing the stirring blades 15, and in the embodiment, the ring connecting piece 51 and the disk 32 are integrally arranged. The side of the bearing 34 facing the mixing kettle 11 is provided with an annular plate 35 connected with the outer ring and the inner ring of the bearing 34, and in the embodiment, the annular plate 35 is welded on the bearing 34.

As shown in fig. 2 and 3, a first connecting piece 41 is disposed on a side wall of the mixing pot 11 near one end of the closing cover 3, a second connecting piece 42 corresponding to the first connecting piece 41 is disposed on the closing cover 3, the first connecting piece 41 and the second connecting piece 42 are connected by a bolt 4, and an opening 43 for the bolt 4 to pass through is disposed on the first connecting piece 41 and the second connecting piece 42. The detachable connection of the first connecting piece 41 and the second connecting piece 42 allows the detachable connection of the closure lid 3 and the mixing pan 11.

As shown in fig. 2 and 3, in order to further improve the connection between the closing cover 3 and the stirring pot 11, a hemispherical protrusion 44 is provided on a side of the first connecting piece 41 facing the second connecting piece 42, and a hemispherical groove 45 corresponding to the hemispherical protrusion 44 is provided on a side of the second connecting piece 42 facing the first connecting piece 41, in this embodiment, the center of the hemispherical protrusion is aligned with the center of the opening 43.

The implementation principle of the embodiment is as follows: during looping through discharging pipe 21 and feed inlet 22 with the raw materials through storage hopper 2 and adding agitator kettle 11, start drive arrangement 12, (mixing) shaft 14 and stirring leaf 15 rotate around the axle center of agitator kettle 11, stir the cement mortar in agitator kettle 11, the closing cap 3 round hole 31 that has round hole 31 seals the region that (mixing) shaft 14 deviates from agitator kettle 11 one side, disc 32 that is connected with (mixing) shaft 14 rotation and the laminating of the inner wall of round hole 31 and the same axle center rotation around agitator kettle 11. The circular disc 32 can close the circular hole 31 on the closing cover 3, and the circular disc 32 and the closing cover 3 together close the opening of the stirring pot 11. Thereby reducing the cement and sand flying out of the mixing kettle 11.

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

1. The utility model provides a cement mortar mixer, agitating unit (16) and agitated kettle (11) on base (1) and base (1), agitating unit (16) are including setting up (mixing) shaft (14) and drive (mixing) shaft (14) pivoted drive arrangement (12) in agitated kettle (11), be equipped with stirring leaf (15) on (mixing) shaft (14), its characterized in that: can dismantle on agitator kettle (11) and be connected with closing cap (3), be equipped with on closing cap (3) with agitator kettle (11) coaxial disc (32), be equipped with on disc (32) and supply through-hole (33) that (mixing) shaft (14) passed, (mixing) shaft (14) rotate with through-hole (33) and be connected, be equipped with bearing (34) of being connected with disc (32) on (mixing) shaft (14), be equipped with on closing cap (3) with agitator kettle (11) coaxial round hole (31), the internal diameter of round hole (31) is greater than the distance in (mixing) shaft (14) and agitator kettle (11) axle center and is not more than the radius of disc (32).

2. A cement mortar mixer according to claim 1, characterized in that: the stirring pan (11) is equipped with first connection piece (41) on being close to the lateral wall of closing cap (3) one end, be equipped with on closing cap (3) second connection piece (42) that correspond with first connection piece (41), first connection piece (41) and second connection piece (42) are connected through bolt (4), be equipped with trompil (43) that supply bolt (4) to pass on first connection piece (41) and second connection piece (42).

3. A cement mortar mixer according to claim 2, characterized in that: one side of the first connecting piece (41) facing the second connecting piece (42) is provided with a hemispherical protrusion (44), and one side of the second connecting piece (42) facing the first connecting piece (41) is provided with a hemispherical groove (45) corresponding to the hemispherical protrusion (44).

4. A cement mortar mixer according to claim 1, characterized in that: the inner diameter of the round hole (31) is consistent with the radius of the disc (32), and the peripheral side wall of the disc (32) is attached to the inner wall of the round hole (31).

5. A cement mortar mixer according to claim 4, characterized in that: and a plurality of balls (5) are arranged on the side wall of the disc (32) parallel to the axial direction of the stirring shaft (14).

6. A cement mortar mixer according to claim 4 or 5, characterized in that: one side of the disc (32) facing the stirring blades (15) is provided with a circular ring connecting sheet (51) which is attached to one side of the sealing cover (3) facing the stirring blades (15).

7. A cement mortar mixer according to claim 1, characterized in that: top one side fixedly connected with storage hopper (2) of base (1), be equipped with feed inlet (22) on closing cap (3), the lower extreme of storage hopper (2) is equipped with discharging pipe (21), the lower extreme and the feed inlet (22) of discharging pipe (21) are connected.

8. A cement mortar mixer according to claim 1, characterized in that: and one side of the bearing (34) facing the stirring pot (11) is provided with an annular plate (35) connected with the outer ring and the inner ring of the bearing (34).