CN209851274U - A cement mixing device - Google Patents

Abstract

The utility model relates to the field of construction machinery, and discloses a cement mixing device, comprising a base, a mixing bucket installed on the base, and a mixing assembly located inside the mixing bucket, the mixing bucket is fixedly connected with a fixing plate, A driving motor is fixedly connected to the fixed plate, and the stirring assembly includes a main stirring shaft and a secondary stirring shaft fixedly connected to the output end of the driving motor, and stirring blades are fixedly connected to the main stirring shaft and the secondary stirring shaft , the agitating blade fits and slides against the inner wall of the agitating bucket, and a transmission assembly for changing the direction of rotation is provided between the main agitating shaft and the secondary agitating shaft. In this solution, when the driving motor is working, the main stirring shaft fixedly connected to the output end of the driving motor rotates, and through the transmission assembly between the main stirring shaft and the secondary stirring shaft, the rotation of the main stirring shaft drives the secondary stirring shaft to rotate in reverse. Then make the stirring shaft stir the cement in the opposite direction to improve the stirring effect.

Description

A cement mixing device

technical field

The utility model relates to the field of construction machinery, in particular to a cement mixing device.

Background technique

Cement mixing device is a machine used to mix cement, sand and gravel aggregate and water and mix it into concrete mixture. It mainly consists of mixing drum, feeding and unloading mechanism, water supply system, prime mover, transmission mechanism, frame and support. devices etc. In building construction, the mixing degree of the cement mixture after mixing will directly affect the progress and quality of the project.

At present, the Chinese utility model patent with the notification number CN207058917U discloses a cement mixer, including a mixing tank and a mixing device arranged at the bottom of the mixing tank, and a feeding device is arranged in the mixing tank, and the feeding device includes The leaking plate located above the annular stopper fixedly arranged on the inner wall of the stirring tank, the baffle plate which is rotatably connected with the stirring tank and the leaking plate and arranged above the leaking plate, and the crank which drives the rotating of the baffle plate For the handle mechanism, the baffle plate is provided with a first opening, and the bushing plate is provided with a second opening. When the baffle plate rotates relative to the bushing plate, the first opening and the second opening are overlapped or staggered.

The above technical solution can mix the cement production raw materials while adding the cement production raw materials, which saves a lot of labor time and improves the work efficiency of the construction personnel. However, in the above technical solution, the operator uses the handle to connect the first opening and the second opening. The two openings are completely staggered, and cement is added in the mixing tank, and the cement is stirred in the mixing tank, and the cement is slid out through the material pipe 5 after the stirring is completed. The cement is discharged after simple stirring in the mixing tank, and there are many dead corners in the mixing tank, so the mixing effect of the cement is poor.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of the utility model is to provide a cement mixing device, which can stir the cement in the opposite direction and has a good mixing effect.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a cement mixing device, including a base, a mixing bucket installed on the base, and a mixing assembly located inside the mixing bucket. A fixed plate is fixedly connected, and a drive motor is fixedly connected to the fixed plate. The stirring assembly includes a main stirring shaft and a secondary stirring shaft fixedly connected to the output end of the driving motor. The main stirring shaft and the secondary stirring shaft are All are fixedly connected with stirring blades, and the stirring blades fit and slide with the inner wall of the mixing bucket, and a transmission assembly for changing the direction of rotation is provided between the main stirring shaft and the secondary stirring shaft.

By adopting the above technical scheme, when the driving motor is working, the main stirring shaft fixedly connected to the output end of the driving motor rotates, and through the transmission assembly between the main stirring shaft and the secondary stirring shaft, the rotation of the main stirring shaft drives the secondary stirring shaft to rotate in reverse , and then make the stirring shaft stir the cement in the opposite direction to improve the stirring effect.

The utility model is further configured that the transmission assembly includes a driving bevel gear fixed on the main stirring shaft, a driven bevel gear meshing with the driving bevel gear, and a passive bevel gear fixed on the secondary stirring shaft, The driven bevel gear meshes with the driven bevel gear, a rotating shaft is rotatably connected in the mixing bucket, and the driven bevel gear is fixedly connected with the rotating shaft.

By adopting the above technical scheme, when the main stirring shaft rotates under the drive of the drive motor, the driving bevel gear fixed on the main stirring shaft rotates accordingly; The gear rotates; the driven bevel gear rotates through the teeth of the undulating passive bevel gear to drive the driven bevel gear to rotate; the driven bevel gear fixedly connected to the secondary stirring shaft rotates to drive the secondary stirring shaft to rotate. And the direction of rotation of the driven bevel gear on both sides meshing with the driving bevel gear is opposite, that is, the direction of rotation of the main stirring shaft and the secondary stirring shaft is opposite. In this way, the transmission for changing the rotation direction of the main stirring shaft and the secondary stirring shaft is realized.

The utility model is further provided that the inner wall of the mixing tank is fixedly connected with a first partition and a second partition, and the driving bevel gear, the driven bevel gear, the passive bevel gear and the rotating shaft are all located Between the first partition and the second partition, a communication pipe is fixedly connected between the first partition and the second partition, one end of the communication pipe runs through the first partition, and the communication pipe The other end passes through the second partition.

By adopting the above technical solution, the first partition and the second partition are arranged in the mixing tank to form a partition layer, and the mixing tank is divided into a No. 1 stirring area and a No. 2 stirring area. Place the transmission components in the partition layer to ensure the normal operation of the transmission components; at the same time, use the connecting pipe to connect the inside of the mixing tank on both sides of the partition to ensure that the cement can reciprocate back and forth in the mixing tank for reverse mixing.

The utility model is further configured as follows: the base is provided with a placement groove, and both ends of the bottom of the mixing bucket are provided with lifting seats, and the lifting seats include a lifting block fixedly connected with the bottom of the mixing bucket and a lifting block connected with the base. The bottom is fixedly connected to the cylinder, the lifting block is located in the placement groove, and the piston rod in the cylinder is fixedly connected to the lifting block.

By adopting the above technical scheme, after the cement is mixed in the No. 1 mixing area, the cylinder at the bottom of the mixing barrel in the No. 1 mixing area works, and the piston rod rises, pushing the position of the No. 1 mixing area to rise, and the cement flows into the No. 2 mixing through the connecting pipe. In the zone, stir in the opposite direction in the No. 2 stirring zone. After the cement mixing in the No. 2 mixing area is completed, the cylinder at the bottom of the No. 1 mixing area works, the piston rod descends and resets, the position of the No. 1 mixing area decreases, the bottom cylinder of the No. 2 mixing area works, the piston rod rises, and the position of the No. 2 mixing area rises , the cement returns from the No. 2 mixing area to the No. 1 mixing area, and the mixing is carried out in the opposite direction. The setting of the lifting seat enables the cement to flow and mix better between the No. 1 mixing area and the No. 2 mixing area, improving the mixing effect.

The utility model is further configured as follows: one end of the mixing barrel is provided with a feeding port, a feeding cover is detachably connected to the feeding port, a circular groove is opened on the feeding cover, and the secondary stirring shaft and the circular groove Rotation connection, the other end of the mixing barrel is provided with a discharge port, a discharge cover is detachably connected to the discharge port, and a discharge tank is fixedly connected to the mixing tank, and the discharge tank and the discharge port connected.

By adopting the above-mentioned technical scheme, the feeding cover is detachably connected to the feeding port, so as to avoid raising dust when the cement is stirred. At the same time, when stirring, the secondary stirring shaft is rotationally connected with the round groove on the feeding cover, which adds a support point to the secondary stirring shaft. , improve the stability of the secondary stirring shaft during the rotation process, and prevent the secondary stirring shaft from being broken or deformed due to uneven force.

The utility model is further configured that a through hole is opened on the feeding cover, and an L-shaped handle is detachably connected to the through hole.

By adopting the above technical scheme, a through hole is provided on the feed cover, and the L-shaped handle is detachably connected in the through hole, which is convenient for the operator to install and disassemble the cover body.

The utility model is further provided that the mixing tank is provided with a water adding component, and the water adding component includes a water tank fixedly connected with the mixing tank, a U-shaped tube fixed and communicated with the water tank, and one end fixed to the U-shaped tube and a connected arc tube, one end of the U-shaped tube is fixedly connected to the mixing tank, a valve is provided on the U-shaped tube, and the other end of the arc-shaped tube is plugged and fitted with the through hole.

By adopting the above-mentioned technical scheme, after the cement is stirred for a period of time, the L-shaped handle is disassembled, the arc-shaped pipe is plugged into the through-hole, and the valve is opened, and the water flows through the U-shaped pipe, and then through the arc-shaped pipe, into the mixing tank. After adding water, the valve is closed, and the L-shaped handle is reinstalled in the through hole to complete adding water to the cement. The setting of the water adding component enables the operator to add water to the cement mixing without opening the cover, which is convenient for the operator to use.

The utility model is further provided that, the bottom of the base is provided with a universal wheel and a directional wheel, and the directional wheel is provided with a stop assembly for braking, and the stop assembly includes a brake plate rotatably connected with the base. A limit column is fixed on the lower surface of the brake plate, and a notch for insertion of the limit column is provided on the hub of the directional wheel.

By adopting the above technical scheme, universal wheels and directional wheels are installed at the bottom of the base, and used together, it is convenient to move the cement mixing device in different directions. The directional wheels are equipped with brake plates, limit columns and stop components. The plug-fitting of the limit column and the notch on the hub of the directional wheel limits the rotation of the directional wheel, thereby achieving the purpose of limiting the movement of the cement mixing device.

The utility model is further configured that a spring is fixed between the brake plate and the base.

By adopting the above technical scheme, a spring is installed between the brake plate and the base, and the two ends of the spring are respectively fixed to the lower surface of the limit plate and the outer wall of the base. Automatically reset under the action of spring force, which is convenient for the next use.

In summary, the utility model has the following beneficial effects:

1. When the driving motor is working, the main stirring shaft fixedly connected to the output end of the driving motor rotates. Through the transmission assembly between the main stirring shaft and the secondary stirring shaft, the rotation of the main stirring shaft drives the secondary stirring shaft to rotate in reverse, and then the stirring The shaft stirs the cement in the opposite direction to improve the mixing effect;

2. In this scheme, the feeding cover can be detachably connected to the feeding port to avoid dust when the cement is stirred; when mixing, the secondary stirring shaft is rotationally connected with the round groove on the feeding cover, which adds a support point for the secondary stirring shaft. Improve the stability of the secondary stirring shaft during rotation, and prevent the secondary stirring shaft from being broken or deformed due to uneven force;

3. Install the universal wheel and the directional wheel at the bottom of the base, and use them together to facilitate the movement of the cement mixing device in different directions. The directional wheel is equipped with a brake plate, a limit column and a stop assembly composed of a limit column and a stop component. The insertion fit of the notch on the hub of the directional wheel limits the rotation of the directional wheel, thereby achieving the purpose of limiting the movement of the cement mixing device.

Description of drawings

Fig. 1 is the overall structural representation of embodiment;

Fig. 2 is a schematic sectional view of an embodiment;

Fig. 3 is a schematic diagram of the structure of the stop assembly in the embodiment.

In the figure: 1, mixing bucket; 11, fixed plate; 12, drive motor; 2, base; 21, placement slot; 22, directional wheel; 23, stop assembly; 231, brake plate; Gap; 234, spring; 24, universal wheel; 3, stirring assembly; 31, main stirring shaft; 32, secondary stirring shaft; 33, stirring blade; 4, transmission assembly; 41, driving bevel gear; 42, driven cone Gear; 43, passive bevel gear; 44, rotating shaft; 5, first partition; 51, second partition; 52, connecting pipe; 6, lifting seat; 61, lifting block; 62, cylinder; 621, piston rod ;7, feed port; 71, feed cover; 711, through hole; 712, L-shaped handle; 713, round groove; 8, discharge port; 81, discharge cover; 82, discharge chute; Assembly; 91, water tank; 92, U-shaped pipe; 93, valve; 94, arc pipe.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in FIG. 1 and FIG. 2 , a cement mixing device includes a mixing bucket 1 and a mixing assembly 3 inside the mixing bucket 1 .

The mixing tank 1 is a hollow cylindrical object, and one end of the mixing tank 1 is provided with a feed port 7, which is a circular through hole, and the feed port 7 is threaded with a feed cover 71, and the feed cover 71 It is a circular plate-shaped structure, and the feed cover 71 is provided with a circular groove and a through hole 711, the circular groove 713 is a cylindrical groove, the through hole 711 is a circular through hole, and the through hole 711 is threaded with an L-shaped The handle, the L-shaped handle is a round rod-shaped structure. The other end of the mixing tank 1 is provided with a discharge port 8, the discharge port 8 is a circular through hole, the discharge port 8 is threadedly connected with a discharge cover 81, the discharge cover 81 is a circular columnar structure, the discharge port 8 A discharge trough 82 is arranged at a tangential position directly below, and the discharge chute 82 communicates with the discharge port 8 . A fixed plate 11 is provided above the discharge port 8 . The fixed plate 11 is fixedly connected with the mixing bucket 1 , and the fixed plate 11 has a square plate structure, and the driving motor 12 is fixedly connected with the fixed plate 11 .

The mixing tank 1 is provided with a water adding assembly 9 , and the water adding assembly 9 includes a water tank 91 , a U-shaped pipe 92 and an arc-shaped pipe 94 . The water tank 91 is a square body structure, and the water tank 91 is fixed on the top of the mixing tank 1. The U-shaped pipe 92 is a hard water pipe fixed on the mixing tank 1 by hanging buckles, and the arc tube 94 is a stretchable water pipe. One end of the U-shaped pipe 92 is fixedly communicated with the water tank 91, and the other end of the U-shaped pipe 92 is fixedly communicated with one end of the arc-shaped pipe 94. The U-shaped pipe 92 is provided with a valve 93, and the other end of the arc-shaped pipe 94 is plugged and matched with the through hole 711.

The bottom of the mixing bucket 1 is provided with a base 2, and the base 2 is a plate-shaped structure. The base 2 is provided with a placement groove 21, the placement groove 21 is a square groove, and both ends of the bottom of the mixing tank 1 are provided with a lifting seat 6, and the lifting seat 6 includes a lifting block 61 and a cylinder 62, and the lifting block 61 is a square structure. The lifting block 61 is fixedly connected with the bottom of the mixing bucket 1, the lifting block 61 is placed in the placement groove 21, the cylinder 62 is fixedly connected with the bottom of the base 2, and the piston rod 621 of the cylinder 62 is fixedly connected with the bottom of the lifting block 61. The bottom of the base 2 is evenly provided with two universal wheels 24 and two directional wheels 22, the universal wheels 24 are positioned at the bottom of the base 2 at one end of the feed inlet 7, and the directional wheels 22 are positioned at the bottom of the base 2 at one end of the discharge port 8, which is convenient for alignment. The cement mixing device moves, and as shown in FIG. 3 , the directional wheel 22 is provided with a stop assembly 23 for braking. The stop assembly 23 includes a brake plate 231 and a limiting column 232, the brake plate 231 is a plate-like structure, and the limiting column 232 is a cylindrical structure. The brake plate 231 is rotatably connected with the base 2, and the limit column 232 is fixedly connected with the lower surface of the brake plate 231. The hub of the directional wheel 22 is provided with a gap 233 for the limit column 232 to insert. A spring 234 is fixedly connected between the lower surface of the brake plate 231 and the outer wall of the base 2 .

As shown in Figures 1 and 2, the stirring assembly 3 includes a main stirring shaft 31 and a secondary stirring shaft 32, the main stirring shaft 31 and the secondary stirring shaft 32 are all cylindrical structures, and one end of the main stirring shaft 31 is fixed to the output end of the drive motor 12 The other end of the main stirring shaft 31 is fixedly connected with the driving bevel gear 41. One end of the secondary stirring shaft 32 is rotatably connected to the circular groove 713, and the other end is fixedly connected with a passive bevel gear 43. Both the main stirring shaft 31 and the secondary stirring shaft 32 are fixedly connected with stirring blades 33, and the stirring blades 33 are attached to the inner wall of the mixing tank 1. combined slip.

A transmission assembly 4 for changing the direction of rotation is provided between the main stirring shaft 31 and the secondary stirring shaft 32 . Transmission assembly 4 comprises driving bevel gear 41, driven bevel gear 42 and driven bevel gear 43, and driving bevel gear 41 meshes with driven bevel gear 42, and driven bevel gear 42 meshes with driven bevel gear 43, and driven bevel gear 42 meshes with driven bevel gear 43. The rotating shaft 44 is fixedly connected, and the rotating shaft 44 is connected in rotation with the inner wall of the mixing bucket 1 .

A first partition 5 and a second partition 51 are fixedly connected to the inner wall of the mixing bucket 1 , and both the first partition 5 and the second partition 51 are plate-shaped structures. The driving bevel gear 41, the driven bevel gear 42, the driven bevel gear 43 and the rotating shaft 44 are all located between the first dividing plate 5 and the second dividing plate 51, and are fixedly connected between the first dividing plate 5 and the second dividing plate 51. There is a communication pipe 52 , one end of the communication pipe 52 passes through the first partition 5 , and the other end of the communication pipe 52 passes through the second partition 51 .

When the present embodiment is in use, when the main stirring shaft 31 rotates under the drive of the drive motor 12, the driving bevel gear 41 fixed on the main stirring shaft 31 rotates thereupon; The gear teeth drive the driven bevel gear 42 to rotate; the driven bevel gear 42 rotates through the teeth of the undulating passive bevel gear 43 to drive the driven bevel gear 43 to rotate; the driven bevel gear 43 fixedly connected to the secondary stirring shaft 32 rotates to drive the secondary The stirring shaft 32 rotates. In this way, the main stirring shaft 31 and the secondary stirring shaft 32 rotate in opposite directions inside the mixing barrel 1 , thereby improving the stirring effect.

The above are only preferred implementations of the utility model, and the scope of protection of the utility model is not limited to the above-mentioned embodiments, and all technical solutions under the thinking of the utility model all belong to the scope of protection of the utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (9)

1. The utility model provides a cement agitating unit, includes base (2), installs agitator (1) on base (2) and be located inside stirring subassembly (3) of agitator (1), fixedly connected with fixed plate (11) on agitator (1), fixedly connected with driving motor (12), characterized by on fixed plate (11): stirring subassembly (3) include with driving motor (12) output fixed connection's main (mixing) shaft (31) and inferior (mixing) shaft (32), main (mixing) shaft (31) with all fixedly connected with stirring leaf (33) on inferior (mixing) shaft (32), stirring leaf (33) with agitator (1) inner wall laminating slides, main (mixing) shaft (31) with be equipped with between inferior (mixing) shaft (32) and be used for changing rotation direction's drive assembly (4).

2. A cement mixer as claimed in claim 1, wherein: the transmission assembly (4) comprises a driving bevel gear (41) fixed on the main stirring shaft (31), a driven bevel gear (42) meshed with the driving bevel gear (41) and a driven bevel gear (43) fixed on the secondary stirring shaft (32), the driven bevel gear (43) is meshed with the driven bevel gear (42), a rotating shaft (44) is rotationally connected in the stirring barrel (1), and the driven bevel gear (42) is fixedly connected with the rotating shaft (44).

3. A cement mixer as claimed in claim 2, wherein: the stirring barrel (1) inner wall fixedly connected with first baffle (5) and second baffle (51), drive bevel gear (41), driven bevel gear (42), driven bevel gear (43) and axis of rotation (44) all are located between first baffle (5) and second baffle (51), first baffle (5) with fixedly connected with communicating pipe (52) between second baffle (51), communicating pipe (52) one end runs through first baffle (5), the other end of communicating pipe (52) runs through second baffle (51).

4. A cement mixer as claimed in claim 1, wherein: be equipped with standing groove (21) on base (2), agitator (1) bottom both ends all are equipped with lift seat (6), lift seat (6) include with agitator (1) bottom fixed connection's elevator block (61) and with base (2) bottom fixed connection's cylinder (62), elevator block (61) are located in standing groove (21), piston rod (621) in cylinder (62) with elevator block (61) fixed connection.

5. A cement mixer as claimed in claim 1, wherein: feed inlet (7) have been seted up to agitator (1) one end, can dismantle in feed inlet (7) and be connected with feed cover (71), round slot (713) have been seted up on feed cover (71), inferior (mixing) shaft (32) are rotated with round slot (713) and are connected, agitator (1) other end is equipped with discharge gate (8), can dismantle in discharge gate (8) and be connected with ejection of compact lid (81), agitator (1) fixedly connected with blown down tank (82), blown down tank (82) with discharge gate (8) communicate with each other.

6. A cement mixer as claimed in claim 5, wherein: a through hole (711) is formed in the feeding cover (71), and an L-shaped handle (712) is detachably connected in the through hole (711).

7. A cement mixer as claimed in claim 6, wherein: be equipped with on agitator (1) and add water subassembly (9), add water subassembly (9) include with agitator (1) fixed connection's water tank (91), with water tank (91) fixed and the U type pipe (92) and one end that communicate with the arc pipe (94) that U type pipe (92) are fixed and communicate, U type pipe (92) one end with agitator (1) fixed connection, be equipped with valve (93) on U type pipe (92), the arc pipe (94) other end with through hole (711) cooperation of pegging graft.

8. A cement mixer as claimed in claim 1, wherein: base (2) bottom is equipped with universal wheel (24) and directional wheel (22), be equipped with on directional wheel (22) and be used for the stopping subassembly (23) of brake, stop subassembly (23) including with base (2) rotate brake block (231) of being connected, brake block (231) lower fixed surface has spacing post (232), seted up the confession on directional wheel (22) wheel hub spacing post (232) male breach (233).

9. A cement mixer as claimed in claim 8, wherein: and a spring (234) is fixed between the brake plate (231) and the base (2).