CN204736328U - Concrete -mixer - Google Patents

Abstract

The utility model provides a concrete mixer. It includes a rounded table-shaped mixer body, a support frame is provided under the mixer body, a feed inlet, a water inlet pipe and a viewing window are provided on the top of the mixer body, and a discharge port is provided at the bottom of the mixer body; The agitator body is provided with a stirring shaft, and both sides of the agitating shaft are provided with agitating blades sequentially from top to bottom. The protective layer is ground, and a motor for driving the stirring shaft to rotate is provided outside the stirring shaft body. The concrete mixer of the utility model has the advantages of simple structure, reasonable design, uniform concrete mixing, shortened mixing time, convenient output of concrete, increased wear resistance of mixing blades, prolonged service life of mixing blades, and easy replacement It is convenient, and can also ensure the strength of the stirring shaft, thereby reducing the production cost. <pb pnum="1"/>

Description

a concrete mixer

technical field

The utility model relates to a concrete mixer.

Background technique

Concrete mixers are commonly used equipment in industrial production. It mainly plays the role of mixing or mixing in the preparation of concrete. Concrete mixers include mixing shafts and mixing blades. The mixing efficiency and mixing effect of concrete mixers depend to a large extent on the mixing The design of the blade, the reasonable design of the mixing blade can not only improve the mixing uniformity of the concrete, but also reduce the mixing time and indirectly reduce the mixing cost; at the same time, although the mixing blade is generally made of wear-resistant alloy cast steel, it still wears a lot Fast, its wear resistance is greatly affected by the proportion of materials. To improve the wear life, it is necessary to add a variety of ingredients, which will increase a lot of cost investment, and due to the limitations of the material itself, it is also difficult to improve the wear resistance. Then improve it to a higher level; in addition, the stirring blades of the existing mixer are mostly directly drilled and tapped on the shaft, and fixed with screws. This method increases the production and processing procedures, and the drilling and tapping on the shaft eliminates the The strength of the shaft is weakened, and the difficult problems of overhaul, replacement and disassembly are increased simultaneously. The concrete mixer needs to output the concrete after mixing. However, the mixed concrete has a certain viscosity and is not easy to output.

Contents of the invention

The utility model proposes a concrete mixer, which solves the deficiencies in the prior art. The concrete mixer has a simple structure, a reasonable design, uniform concrete mixing, shortened mixing time, convenient concrete output, and improved wear resistance of the mixing blades. In addition, the service life of the stirring blade is extended, and the replacement is also very convenient, and the strength of the stirring shaft can be ensured, and the production cost is reduced.

The technical scheme of the utility model is achieved in that:

A concrete mixer, comprising a mixer body in the shape of an inverted round table, a support frame is provided under the mixer body, a feed inlet, a water inlet pipe and a viewing window are provided on the top of the mixer body, and an outlet is provided at the bottom of the mixer body. feed port; the agitator body is provided with a stirring shaft, and the two sides of the agitating shaft are provided with agitating blades sequentially from top to bottom, and the agitating blades on the two sides are arranged in random order, and each of the agitating blades is arranged obliquely upward , and the angle between the stirring blade and the stirring shaft is 60°-85°, the distance between the end of each stirring blade and the inner wall of the mixer body is 2-5cm, and the outer surface of the stirring blade is covered with a layer of high A strong wear-resistant protective layer, and a motor driving the rotation of the stirring shaft is provided outside the stirring shaft body.

Preferably, a baffle is provided on the discharge port, one end of the baffle is hinged to the discharge port, and the other end of the baffle fits the discharge port by tightening the handle.

Preferably, the included angle between the stirring blade and the stirring shaft is 75°.

Preferably, the distance between the end of each stirring blade and the inner wall of the mixer body is 3 cm.

Preferably, the high-strength wear-resistant protective layer is a wear-resistant ceramic particle coating.

As a preference, the stirring blade has a first mounting hole at one end close to the stirring shaft, protrusions are arranged on both sides of the stirring shaft from top to bottom, and the protrusions on both sides of the stirring shaft are arranged alternately, so The protrusion is provided with a second mounting hole matching the first mounting hole of the stirring blade, and the stirring blade passes through the first mounting hole and the second mounting hole through a bolt, and then is fixed on the stirring shaft with a nut.

Preferably, the stirring shaft and the protrusion are integrally structured.

Preferably, the motor is arranged on the upper end of the mixer body, which drives the rotation of the stirring shaft through a belt device.

Preferably, the lower part of the support frame is provided with traveling wheels.

Compared with the prior art, the beneficial effects of the utility model are:

(1) The utility model sets the mixer body as a round table structure, so that when it is necessary to output the mixed concrete, the gravity of the concrete itself is used to ensure the stable output of the concrete during the mixing process;

(2) Both sides of the stirring shaft of the present utility model are provided with stirring blades sequentially from top to bottom, the stirring blades on the two sides are arranged in random order, each of the stirring blades is inclined upward, and the gap between the stirring blade and the stirring shaft The included angle is 60°-85°, and the distance between the end of each stirring blade and the inner wall of the mixer body is 2-5cm. The above-mentioned structure is designed by setting multiple The arranged mixing blades can make the mixing of the concrete mixer more uniform. In addition, since the mixing blades are detachably connected to the stirring shaft, it is more convenient to replace the worn mixing blades;

(3) The outer surface of the mixing blade in the utility model is covered with a high-strength wear-resistant protective layer. By increasing the protective layer, the degree of wear of the mixing blade is reduced, the wear resistance is improved, the service life is greatly extended, and the The frequency of replacement is reduced; the mixing blade can be high chromium alloy cast steel, the high-strength wear-resistant protective layer is a wear-resistant ceramic particle coating, the mixing blade is made of low-cost materials, which greatly reduces the product cost, and the protective layer is made of wear-resistant Grinding ceramic particle coating, which has the characteristics of good wear resistance, corrosion resistance and long service life;

(4) The agitating blade of the present utility model has a first installation hole at one end close to the agitating shaft, and the agitating shaft is provided with protrusions arranged in a spiral form from top to bottom, and the protrusions are integrated with the agitating shaft , the protrusion has a second mounting hole matching the first mounting hole of the stirring blade, the stirring blade passes through the first mounting hole and the second mounting hole through a bolt, and then is fixed on the stirring shaft with a nut, This detachable structure design does not need to tap on the stirring shaft, which can ensure the strength of the stirring shaft. The direct connection between the stirring shaft and the stirring blade is connected by bolts and nuts, which is very convenient for disassembly, inspection and replacement.

(5) The design of the walking wheels in the utility model can facilitate the mobile use of the concrete mixer.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only the present invention For one embodiment of the new model, those skilled in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is the structural representation of the utility model.

In the figure: 1. Mixer body; 2. Support frame; 3. Feed inlet; 4. Water inlet pipe; 5. Visual window; 6. Discharge port; 7. Stirring shaft; 8. Stirring blade; 9. Motor; , Baffle plate; 11, Tighten the handle; 12, Protrusion; 13, Bolt; 14, Nut; 15, Belt device; 16, Traveling wheel.

Detailed ways

The technical solutions in the utility model are clearly and completely described below, obviously, the described embodiments are only some of the embodiments of the utility model, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1:

A concrete mixer, comprising a mixer body 1 in the shape of an inverted round table. By setting the mixer body 1 into an inverted round table structure, when it is necessary to output the mixed concrete, the gravity of the concrete itself can be used to ensure the stability of the concrete during the mixing process. Stable output; a support frame 2 is provided under the mixer body 1, and a walking wheel 16 is provided on the lower part of the support frame 2, which can facilitate the mobile use of the concrete mixer.

The top of the mixer body 1 is provided with a feed inlet 3, a water inlet pipe 4 and a viewing window 5, and the bottom of the mixer body 1 is provided with a discharge port 6, and the discharge port 6 is provided with a baffle plate 10, so One end of the baffle plate 10 is hinged to the discharge port 6, and the other end of the baffle plate 10 is fitted to the discharge port 6 by tightening the handle 11.

The mixer body 1 is provided with a stirring shaft 7, and the two sides of the stirring shaft 7 are detachably connected with stirring blades 8 sequentially from top to bottom. 8 are all inclined upwards, and the angle between the stirring blade 8 and the stirring shaft 7 is 75 °, and the distance between the end of each stirring blade 8 and the inner wall of the mixer body 1 is 3 cm; the design of the above structure is by setting a plurality of lengths The mixing blades 8 that are different, inclined upward and arranged downward in a spiral can make the mixing of the concrete mixer more uniform. In addition, since the mixing blades 8 are detachably connected to the stirring shaft 7, it is more convenient to replace the worn mixing blades. Blade 8. In this embodiment, the stirring blade 8 has a first installation hole at one end close to the stirring shaft 7, and the both sides of the stirring shaft 7 are provided with protrusions 12 sequentially from top to bottom, and the two sides of the stirring shaft 7 are The protrusions 12 on the side are arranged in random order, and the protrusions 12 have a second mounting hole matching the first mounting hole of the stirring blade 8, and the stirring blade 8 passes through the first mounting hole and the second mounting hole through a bolt 13. hole, and then cooperate with the nut 14 to be fixed on the stirring shaft 7, and the stirring shaft 7 and the protrusion 12 are integrally structured; the design of this detachable structure does not need to tap on the stirring shaft 7, which can ensure the stability of the stirring shaft 7 Strength, the direct connection between the stirring shaft 7 and the stirring blade 8 is connected by bolts 13 and nuts 14, which is convenient for disassembly, inspection and replacement.

The outer surface of the stirring blade 8 is covered with a high-strength wear-resistant protective layer. In this embodiment, the high-strength wear-resistant protective layer is a wear-resistant ceramic particle coating. By adding a protective layer, the degree of wear of the mixing blade 8 is reduced, the wear resistance is improved, the service life is greatly extended, and the frequency of replacement is reduced; the mixing blade 8 can be high-chromium alloy cast steel, high-strength and wear-resistant The protective layer is a wear-resistant ceramic particle coating, and the mixing blade 8 is made of low-cost materials, which greatly reduces the product cost. The protective layer is made of a wear-resistant ceramic particle coating, which has the characteristics of good wear resistance, corrosion resistance, and long service life;

Described stirring shaft 7 body is also provided with the motor 9 that drives stirring shaft 7 to rotate, and this motor 9 is arranged on the upper end of mixer body 1, and it drives the rotation of stirring shaft 7 through belt device 15.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (9)

1. a concrete mixer, it is characterized in that: the mixer body comprising reverse frustoconic, be provided with bracing frame in the below of mixer body, the top of described mixer body is provided with charging aperture, water inlet pipe and visual window, and the bottom of described mixer body is provided with discharging opening; Shaft is provided with in described mixer body; the both sides of described shaft are provided with stirring vane from top to bottom successively; the stirring vane setting straggly of described both sides; described each stirring vane all tilts upward setting; and the angle between stirring vane and shaft is 60 °-85 °; the end of described each stirring vane and the distance of mixer inner body wall are 2-5cm; the outer surface of described stirring vane is coated with one deck high-strength abrasion-proof protective layer, this external motor being also provided with drive shaft and rotating of described shaft.

2. a kind of concrete mixer according to claim 1, is characterized in that: described discharging opening is provided with baffle plate, one end and the discharging opening of described baffle plate are hinged, and the other end of baffle plate is by screwing handle and discharging opening fits.

3. a kind of concrete mixer according to claim 1 and 2, is characterized in that: the angle between described stirring vane and shaft is 75 °.

4. a kind of concrete mixer according to claim 3, is characterized in that: the end of described each stirring vane and the distance of mixer inner body wall are 3cm.

5. a kind of concrete mixer according to claim 1 and 2, is characterized in that: described high-strength abrasion-proof protective layer is wear-resistant ceramic grain coating.

6. a kind of concrete mixer according to claim 5, it is characterized in that: described stirring vane has the first installing hole in the one end near shaft, the both sides of described shaft are provided with projection from the top down successively, the projection setting straggly of described shaft both sides, described projection has second installing hole that to match with the first installing hole of stirring vane, described stirring vane is by bolt through the first installing hole and the second installing hole, and then attaching nut is fixed on shaft.

7. a kind of concrete mixer according to claim 6, is characterized in that: described shaft and projection are structure as a whole.

8. a kind of concrete mixer according to claim 1 and 2, is characterized in that: described motor is arranged on the upper end of mixer body, and it drives the rotation of shaft by belt dressing.

9. a kind of concrete mixer according to claim 8, is characterized in that: the bottom of support frame as described above is provided with road wheel.