CN206780658U - A kind of minitype vertical type concrete mixer - Google Patents

Abstract

The utility model discloses a small vertical concrete mixer, which aims to solve the shortcoming of low mixing efficiency of the existing small concrete mixers. A stirring device is provided in the mixing drum, and the stirring device includes a horizontal stirring assembly and a vertical stirring assembly; Blades, and blade grooves provided on the horizontal stirring blades; the vertical stirring assembly includes a wheel shaft that is rotatably connected to the mixing drum and arranged horizontally, and is fixed on the wheel shaft and rotates vertically to stir the mixed material a vertical stirring blade, and a power conversion assembly provided on the stirring shaft to provide the vertical stirring force of the vertical stirring blade. The small vertical concrete mixer of the utility model has the advantage of high mixing efficiency.

Description

A small vertical concrete mixer

technical field

The utility model relates to a mixer, in particular to a small vertical concrete mixer.

Background technique

The current concrete mixers are all large-scale construction machinery, which need to be transported by professional loading vehicles. When the construction site is in a place with inconvenient traffic, or the amount of concrete required for construction is small, it is not easy to relocate large concrete mixers to the construction site. Therefore, only artificial methods can be used to process concrete, which is labor-intensive and inefficient, which will affect the construction progress. The small concrete mixers currently used still have deficiencies and need further improvement.

In view of the above-mentioned technical problems, the Chinese patent with the current notification number CN105773836A discloses a new type of small concrete mixer, which includes a moving wheel, a bracket, a cylinder, a nozzle, a stirring rod, a rotating shaft, a push handle, a discharge port, a balance leg, a motor, The motor base and the wheel shaft, the moving wheel is fixed on the lower part of the bracket through the wheel shaft; the cylinder body is arranged on the upper part of the bracket; the spray head is fixed on the left and right sides of the cylinder body through claws; the stirring rod fixed on the rotating shaft; the push handle is welded on the right side of the bracket; the discharge port is set on the front side of the cylinder; the balance leg is connected to the lower part of the cylinder through a folding shaft; the motor It is set at the lower part of the cylinder body; the motor base is set at the lower part of the motor; the spray head, balance legs and moving wheels of this small concrete mixer are set, which improves the mixing quality, prolongs the service life of the equipment, is convenient to move, saves manpower, and is easy to operate It is simple, improves efficiency, and is easy to promote and use.

However, the above-mentioned small-scale concrete mixer adopts flat mixing blades, which only have the effect of pushing the mixed materials, without the effect of rolling, and the mixing efficiency needs to be further improved.

Utility model content

Aiming at the deficiencies in the prior art, the purpose of the utility model is to provide a small vertical concrete mixer, which has the advantage of improving mixing efficiency.

The above technical purpose of the utility model is achieved through the following technical solutions: a small vertical concrete mixer, including a frame and a mixing drum, the mixing drum is provided with a stirring device for mixing concrete and for feeding the The stirring device provides a driving device for stirring power, and the stirring device includes a horizontal stirring assembly for horizontally stirring the mixed material and a vertical stirring assembly for vertically stirring the mixed material;

The horizontal stirring assembly includes a stirring shaft rotatably connected to the stirring drum, a horizontal stirring blade arranged obliquely on the stirring shaft, and a blade groove provided on the horizontal stirring blade;

The vertical stirring assembly includes a wheel shaft that is rotatably connected to the mixing drum and arranged horizontally, a vertical stirring blade that is fixed to the wheel shaft and rotates vertically to stir the mixed materials, and is provided on the stirring shaft to provide the Describe the power conversion assembly of the vertical stirring force of the vertical stirring blade.

By adopting the above-mentioned technical solution, when stirring the mixing materials, the driving device drives the stirring shaft to rotate, and at the same time drives the stirring blades to rotate. Since the stirring blades are obliquely arranged on the stirring shaft, the mixing materials are subjected to longitudinal and The horizontal force is relatively large, which increases the mixing speed, and can drive the mixed material to roll up and down in the mixing drum. At the same time, the blade groove allows the concrete to pass through the mixing blade quickly, which improves the quality of mixing and the efficiency of mixing. In the process of mixing A part of the concrete can pass through the blade groove, and further mix with the material passing above the mixing blade, so that the mixing effect is better; at the same time, the stirring shaft drives the wheel shaft to rotate synchronously through the power conversion component during the rotation process, that is, drives the vertical mixing blade to rotate , so as to further stir the mixing material in the mixing drum in the longitudinal direction, and cooperate with the horizontal mixing blade to stir the mixing material more evenly.

The utility model is further configured as follows: the stirring shaft is provided with a shaft protrusion, and the power conversion assembly includes a driving bevel gear fixed on the shaft protrusion and a driving bevel gear fixed on the wheel shaft and meshed with the driving bevel gear. Driven bevel gear.

By adopting the above technical solution, the driving bevel gear transmits the power of the stirring shaft to the wheel shaft through the driven bevel gear, and then the wheel shaft drives the vertical stirring blades to stir the mixed material longitudinally.

The utility model is further configured as follows: the stirring shaft is provided with a stirring body, the stirring body is provided with a plurality of connecting rods, each of the connecting rods is fixed with a connecting piece, and the horizontal stirring blade is fixed on the on the connecting sheet.

By adopting the above technical scheme, when stirring, the stirring shaft drives the stirring body to rotate, and the stirring body provides the base for the stirring blades, and at the same time, the connecting rod and connecting piece on the stirring body drive the stirring blades to rotate, and the concrete can also be stirred, thereby Improved stirring efficiency.

The utility model is further configured as follows: the connecting piece and the axis of the stirring shaft form an oblique angle of 45°.

By adopting the above technical scheme, the mixed material is rolled up and down during the process of being stirred by the horizontal stirring blades, and the stirring speed is further increased.

The utility model is further configured as follows: the blade grooves on the adjacent horizontal stirring blades are distributed in a staggered manner.

By adopting the above-mentioned technical scheme, during the mixing operation, the mixing material can quickly pass through the horizontal mixing blades through the staggered blade grooves, thereby increasing the mixing speed.

The utility model is further set as: the driving device includes a motor fixed on the frame body, a driving sprocket for transmitting the driving force of the motor, a driven sprocket fixed on the stirring shaft, and a A chain for transmitting driving force between the driving sprocket and the driven sprocket.

By adopting the above technical solution, starting the motor can drive the driving sprocket to rotate, and then drive the driven sprocket to rotate through the chain, which can drive the stirring shaft to rotate to realize the stirring function.

The utility model is further configured as follows: the driving device further includes a reducer rotatably connected to the motor shaft for transmitting the power of the motor.

By adopting the above technical solution, the reducer is used to control the output speed of the motor to make concrete mixing more uniform.

The utility model is further configured as: the speed reducer adopts a worm speed reducer.

By adopting the above-mentioned technical scheme, a larger transmission ratio can be obtained during operation, the operation is stable, and the noise is less.

The utility model is further configured as follows: the bottom of the stirring blade is attached to the bottom wall of the mixing drum, and one end surface of the stirring blade is attached to the inner wall of the mixing drum.

By adopting the above technical scheme, the agglomeration at the bottom and the inner wall of the mixing drum can be easily scraped off by the stirring blade, so that the stirring is more sufficient.

The utility model is further configured as: an end cover is arranged above the mixing drum.

By adopting the above technical scheme, the end cover is covered when the mixer is working, so as to prevent the mixed material from overflowing the mixing drum, reduce the impact on the environment, and improve the mixing efficiency at the same time.

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

First, by setting the horizontal stirring blades with a 45° oblique angle to the axis of the stirring shaft, the mixed material is subjected to longitudinal and horizontal forces during the process of being stirred by the horizontal stirring blades, which improves the quality of stirring and the efficiency of stirring;

Second, the bottom and one end surface of the horizontal mixing blade are correspondingly attached to the bottom wall and the inner wall of the mixing drum, so that the agglomeration on the bottom wall and the inner wall of the mixing drum can be easily scraped off, so that the mixing is more complete;

Thirdly, by setting the vertical stirring blades, the vertical stirring strength of the mixer in the stirring state is improved, the up-and-down exchange of the mixed ingredients is promoted, the stirring time is shortened, and the stirring efficiency is increased.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present embodiment;

Figure 2 is an enlarged view of part A of Figure 1;

Fig. 3 is a sectional view along the axis of the stirring shaft in the mixing drum in Fig. 1;

Fig. 4 is an enlarged view of part B in Fig. 3 .

Among the figure: 1, frame body; 11, wheel; 12, trolley frame; 121, anti-slip cover; 2, mixing drum; 21, support rod; 22, end cover; 221, handle; 222, observation port; Hook; 23, dial block; 231, card handle; 232, torsion spring; 233, hinged shaft; 24, hinged rod; Stirring body; 421, connecting rod; 43, connecting piece; 44, horizontal stirring blade; 441, blade groove; 51, driving bevel gear; 52, driven bevel gear; 53, wheel shaft; 54, vertical stirring blade; 55, Protective box; 551, support bearing; 61, motor; 62, reducer; 63, driving sprocket; 64, driven sprocket; 65, chain.

detailed description

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

A small vertical concrete mixer, as shown in Figure 1, includes a frame body 1, four wheels 11 are installed under the frame body 1, and the push frame 12 welded on one side of the frame body 1 can realize the movement of the frame body 1. Move, and the upper end of the push frame 12 is provided with an anti-slip sleeve 121 that increases the contact friction between the hand and the push frame 12;

The top of the frame body 1 is provided with a mixing drum 2 for accommodating the mixing material. The mixing drum 2 is fixed by three support rods 21 welded on the frame body 1, and the mixing drum 2 adopts a vertical mixing drum 2. An end cover 22 for sealing the mixing drum 2 is hinged on the top. A handle 221 and an observation port 222 are provided on the end cover 22. The mixing drum 2 can be opened or closed conveniently through the handle 221. The observation port 222 is used to observe the inside of the mixer when it is working. the mixing condition;

As shown in Figure 2, two articulated rods 24 are welded on the outer side wall of the mixing drum 2, and a shifting block 23 is provided on the outside of the mixing drum 2, and one end of the shifting block 23 is hinged between the two articulated rods 24 through a hinged shaft 233, There is a torsion spring 232 on the hinge shaft 233, one end of the torsion spring 232 is welded on the shifting block 23, the other end is welded on the hinge shaft 233, the other end of the shifting block 23 is integrally formed with a handle 231, and one side of the end cover 22 is welded with a The barb 223 matched with the handle 231 can open and close the end cover 22 through the engagement and disengagement of the barb 223 and the handle 231; The mixing drum 2 rotates sideways, and the torsion spring 232 is deformed at the same time to generate a rebound force. When the barb 223 breaks away from the conflicting handle 231, affected by the rebound force of the torsion spring 232, the handle 231 firmly connects the barb 223 to the shifting block 23 When opening the end cover 22, push the dial 23 to rotate towards the mixing drum 2, so that the handle 231 is separated from the barb 223, and the opening of the end cover 22 can be completed; as shown in Figure 1, there is also a There is a discharge port 25 for discharging the mixed material.

As shown in Figure 3, also comprise the transverse stirring device that is positioned at stirring shaft 3, and transverse stirring device comprises stirring shaft 3, stirring body 42, connecting rod 421, connecting sheet 43 and transverse stirring blade 44; Embedded with a bearing, the stirring shaft 3 is worn on the inner ring of the bearing; the stirring body 42 is connected to the stirring shaft 3 with a flat key to provide a substrate for the installation of the horizontal stirring blade 44; the connecting rod 421 is integrally formed on the stirring body 42, and the connecting rod 421 There are four, and the four connecting rods 421 are evenly distributed around the axial direction of the stirring shaft 3; the connecting piece 43 is bolted on the connecting rod 421 and the lower half of the connecting piece 33 is at a 45° oblique angle to the stirring shaft 3 axis; the same The horizontal stirring blade 44 is bolted on the connecting piece 43 and is at an oblique angle of 45° to the axis of the stirring shaft 3. The horizontal stirring blade 44 is used to stir the mixed material, so that the mixed material is subjected to longitudinal pressure in the process of being stirred by the horizontal stirring blade 44. And horizontal force, and then drive the mixed material to roll up and down in the mixing drum 2, which improves the quality of mixing and the efficiency of mixing;

The bottom of the horizontal stirring blade 44 is attached to the bottom wall of the mixing drum 2, and one end surface of the horizontal stirring blade 44 is attached to the inner wall of the mixing drum 2, and adjacent horizontal stirring blades 44 are provided with staggered blade grooves 441 , so that the horizontal mixing blade 44 can easily scrape off the agglomeration on the bottom and inner wall of the mixing drum 2, and at the same time, the mixed material can quickly pass through the horizontal mixing blade 44 through the staggered blade grooves 441, thereby improving the mixing efficiency.

As shown in Figure 4, the upper end of the stirring shaft 3 is integrally formed with a shaft protrusion 31, and a bearing 311 is embedded in the shaft protrusion 31. A protective box 55 is sleeved on the outer ring of the bearing 311. The lower end of the protective box 55 is circular and is in line with the The bearing 311 is fitted with an interference fit, the upper end of the protective box 55 is square and two support bearings 551 are embedded in the upper end of the protective box 55;

As shown in Figure 3 and Figure 4, there is a vertical stirring device on the stirring shaft 3, and the vertical stirring device includes a power conversion assembly, a wheel shaft 53 and a vertical stirring blade 54; the power conversion assembly includes a driving bevel gear 51 and a driven bevel gear 52, the driving bevel gear 51 is fixed on the shaft protrusion 31 through a flat key, the driven bevel gear 52 is fixed on one end of the wheel shaft 53 with a flat key and meshed with the driving bevel gear 51, there are two driven bevel gears 52, and two slaves The opposite side of the driving bevel gear 52 is distributed on both sides of the stirring shaft 3. The driving bevel gear 51 and the driven bevel gear 52 are used to convert the horizontal rotation of the stirring shaft 3 into the longitudinal rotation of the vertical stirring blade 54, while the protective box 55 wraps the The driving bevel gear 51 and the driven bevel gear 52 make it unaffected by the mixing material during stirring; one end of the wheel shaft 53 passes through the support bearing 551 and is fixed with the driven bevel gear 52 through a flat key, and the other end is rotatably connected to the Clamped on the bearing of the inner wall of the mixing drum 2, the wheel shaft 53 is used to provide the substrate for the installation of the vertical stirring blade 54; the vertical stirring blade 54 is in the shape of a strip, and there are three vertical stirring blades, three 54 is welded on the wheel shaft 53 and evenly distributed around the axial direction of the wheel shaft 53, and the vertical stirring blade 54 is used to improve the longitudinal stirring strength of the mixer in the stirring state, and promote the up and down exchange of the mixed materials;

It also includes a driving device that provides the stirring power of the stirring device. The driving device includes a motor 61, a speed reducer 62, a driving sprocket 63 and a driven sprocket 64; the motor 61 is fixed on the frame body 1 by bolts to provide power; the speed reducer 62 Bolts are connected to the frame body 1 and the input end of the reducer 62 is connected to the main shaft of the motor 61 through a coupling. The reducer 62 is used to control the output speed of the motor 61 to make the concrete mixing more uniform; the reducer 62 adopts a worm reducer , so that a larger transmission ratio can be obtained during work, the work is stable, and the noise is less; the inner wheel of the driving sprocket 63 is connected with the output shaft of the reducer 62 with a flat key to output the output torque of the reducer 62; the driven sprocket 64 The outer wheel is connected with the driving sprocket 63 through the chain 65, and the inner wheel of the driven sprocket 64 is connected with the stirring shaft 3 by a flat key for transmitting the stirring power of the stirring device.

When the mixer is working, move the shifting block 23 on one side of the mixing drum 2, open the end cover 22, start the motor 61 at the same time, then pour in the mixed material to be stirred, the reducer 62 outputs the power of the motor 61 to the driving sprocket 63, and then The driven sprocket 64 is driven by the chain 65 to drive the stirring shaft 3 to rotate, and at the same time, the horizontal stirring blade 44 and the vertical stirring blade 54 are driven to stir the mixed material. The situation of the mixed material being stirred can be observed from the observation port 222. After the mixing is uniform, the discharge port 25 is opened to discharge the mixed material to complete the mixing work, and the mixing efficiency of the mixer is high.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present 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 (10)

1. A small vertical concrete mixer, comprising a frame body (1) and a mixing drum (2), characterized in that: the mixing drum (2) is provided with a stirring device for mixing concrete and for adding The device provides a driving device for stirring power, and the stirring device includes a horizontal stirring assembly for horizontally stirring the mixed material and a vertical stirring assembly for vertically stirring the mixed material; The horizontal stirring assembly includes a stirring shaft (3) rotatably connected to the stirring drum (2), a horizontal stirring blade (44) arranged obliquely on the stirring shaft (3), and a horizontal stirring blade set on the horizontal stirring blade Blade groove (441) on (44); The vertical stirring assembly includes a wheel shaft (53) that is rotatably connected to the mixing drum (2) and arranged horizontally, and a vertical stirring blade (53) that is fixed to the wheel shaft (53) and rotates vertically to stir and mix the ingredients 54), and a power conversion assembly provided on the stirring shaft (3) to provide the vertical stirring force of the vertical stirring blade (54). 2. A small vertical concrete mixer according to claim 1, characterized in that: the stirring shaft (3) is provided with a shaft protrusion (31), and the power conversion assembly includes a shaft protrusion (31) fixed on the shaft protrusion ( 31) on the driving bevel gear (51) and the driven bevel gear (52) fixed on the axle (53) and meshed with the driving bevel gear (51). 3. A small vertical concrete mixer according to claim 2, characterized in that: said stirring shaft (3) is provided with a stirring body (42), said stirring body (42) is provided with a plurality of Connecting rods (421), each of the connecting rods (421) is fixed with a connecting piece (43), and the horizontal stirring blades (44) are fixed on the connecting piece (43). 4. A small vertical concrete mixer according to claim 3, characterized in that: said connecting piece (43) forms an oblique angle of 45° with the axis of the stirring shaft (3). 5. A small vertical concrete mixer according to claim 4, characterized in that the blade grooves (341) on the adjacent horizontal mixing blades (44) are distributed in a staggered manner. 6. A small vertical concrete mixer according to claim 1, characterized in that: said driving device includes a motor (61) fixed on the frame (1), used to transmit the drive of said motor (61) The driving sprocket (63) of the force, the driven sprocket (64) fixed on the stirring shaft (3), and the driven sprocket (63) and the driven sprocket (64) The chain (65) used to transmit the driving force between them. 7. A small vertical concrete mixer according to claim 6, characterized in that: said drive device also includes a reducer (62) fixed to the main shaft of said motor (61) for transmitting the power of the motor (61) ). 8. A small vertical concrete mixer according to claim 7, characterized in that: the reducer (62) is a worm reducer. 9. A small vertical concrete mixer according to claim 1, characterized in that: the bottom of the horizontal mixing blade (44) fits with the bottom wall of the mixing drum (2), and the horizontal mixing blade (44) One end face of the mixing drum (2) is fitted with the inner wall of the mixing drum. 10. A small vertical concrete mixer according to claim 1, characterized in that: an end cover (22) is provided above the mixing drum (2).