CN214521095U

CN214521095U - Efficiency of raw materials mixing is improved thoughtlessly mix concrete mixer

Info

Publication number: CN214521095U
Application number: CN202121092522.0U
Authority: CN
Inventors: 肖为容; 蔡利军; 朱锡
Original assignee: Guangdong Dongfang Concrete Co ltd
Current assignee: Guangdong Dongfang Concrete Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-10-29
Anticipated expiration: 2031-05-20

Abstract

The application relates to a mix concrete mixer of efficiency of raw materials mixing is improved, it includes the frame and erects the churn in the frame, the feed inlet has been seted up to the one end of churn, the discharge gate has been seted up to the other end of churn, be provided with stirring main shaft and stirring countershaft in the churn, a plurality of first stirring vane of fixedly connected with on the stirring main shaft, a plurality of second stirring vane of fixedly connected with on the stirring countershaft, the one end that the churn opened the feed inlet is provided with the drive stirring main shaft and stirs countershaft orientation pivoted drive arrangement. This application has the effect that improves concrete mixing efficiency.

Description

Efficiency of raw materials mixing is improved thoughtlessly mix concrete mixer

Technical Field

The application relates to the technical field of concrete mixers, in particular to a concrete mixer capable of improving raw material mixing efficiency.

Background

In the production and processing process of concrete, cement, water, sand, etc. need to be mixed according to a proper proportion, and the mixture can be formed through the processing steps of uniform stirring, dense forming, curing and hardening, etc.

In the process of mixing concrete, the concrete is generally mixed by a mixer. The concrete mixer at present generally comprises a mixing drum and a mixing shaft, wherein a plurality of mixing blades are arranged on the mixing shaft. After cement, water, gravel and other raw materials are put into the stirring cylinder, the stirring shaft rotates to mix the cement and the hydrated gravel. Because of the high density of concrete, the mixer shaft must be rotated at a low rotational speed to protect the motor. But this will extend the mixing time of the concrete, resulting in less efficient mixing of the concrete. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the mixing efficiency of concrete, this application provides an efficiency of raw materials mixing's thoughtlessly mixes concrete mixer.

The application provides a mix concrete mixer that improves raw materials mixing efficiency adopts following technical scheme:

the utility model provides an improve thoughtlessly mix concrete mixer of raw materials mixing efficiency, includes the frame and erects the churn in the frame, the feed inlet has been seted up to the one end of churn, the discharge gate has been seted up to the other end of churn, be provided with stirring main shaft and stirring countershaft in the churn, a plurality of first stirring vane of fixedly connected with on the stirring main shaft, a plurality of second stirring vane of fixedly connected with on the stirring countershaft, the one end that the churn opened the feed inlet is provided with drive stirring main shaft and stirring countershaft orientation opposite direction pivoted drive arrangement.

Through adopting above-mentioned technical scheme, when the preparation concrete, pour water, cement and grit into the churn according to the ratio from the feed inlet in, order about stirring main shaft and stirring countershaft orientation opposite direction through drive arrangement and rotate to make a plurality of first stirring vane and a plurality of second stirring vane orientation opposite direction rotate, the concrete is random motion under first stirring vane and second stirring vane's stirring effect, in order to accelerate the mixing velocity of concrete raw materials. Meanwhile, the frequency of stirring the concrete is increased, and the mixing efficiency of the concrete raw materials is further improved.

Preferably, the driving device comprises a first motor and a rotating shaft, the rotating shaft is fixedly connected with an output shaft of the first motor, the rotating shaft and one end far away from the first motor penetrate through the mixing drum and are rotatably connected with the mixing drum, a main gear is fixedly sleeved on the rotating shaft, a secondary gear is fixedly sleeved on the mixing main shaft, and the main gear is in meshing transmission with the secondary gear; the stirring device is characterized in that a connecting sleeve is rotatably sleeved on the stirring main shaft, a connecting strip is fixedly connected between the stirring auxiliary shaft and the connecting sleeve, and a synchronous belt mechanism is arranged between the rotating shaft and the connecting sleeve.

By adopting the technical scheme, the first motor operates to drive the rotating shaft to rotate, the rotating shaft is meshed with the main gear and the auxiliary gear to drive the stirring main shaft to rotate in the direction opposite to the rotating direction of the rotating shaft, meanwhile, the rotating shaft drives the connecting sleeve to rotate in the direction consistent with the rotating direction of the rotating shaft, and the stirring auxiliary shaft rotates synchronously along with the connecting sleeve, so that the stirring auxiliary shaft and the stirring main shaft rotate in the opposite directions, and the mixing speed of the concrete raw materials under the action of the first stirring blade and the second stirring blade is improved.

Preferably, the stirring main shaft is fixedly sleeved with two limiting rings, and the connecting sleeve is rotatably clamped between the two limiting rings.

Through adopting above-mentioned technical scheme, two spacing rings mutually support and remove along the length direction of stirring main shaft with the restriction adapter sleeve to make the rotation of stirring countershaft keep stable.

Preferably, a plurality of groups of stirring auxiliary shafts and connecting strips are arranged, and the stirring auxiliary shafts and the connecting strips are uniformly distributed on the periphery of the connecting sleeve in the circumferential direction.

Through adopting above-mentioned technical scheme, through increasing the quantity of stirring countershaft and connecting strip, can show the frequency that increases concrete raw materials and be stirred to shorten concrete raw materials's mixing duration. Meanwhile, the multiple groups of stirring auxiliary shafts and the connecting strips are circumferentially distributed on the periphery of the connecting sleeve, so that the force borne by the stirring main shaft can be balanced, and the stirring auxiliary shafts and the stirring main shaft are more stable in the rotating process.

Preferably, the stirring auxiliary shaft is adjacent to the inner side wall of the stirring cylinder, a rubber pad is fixedly connected to one side of the stirring auxiliary shaft, which is close to the inner side wall of the stirring cylinder, the rubber pad is in rotating butt joint with the inner side wall of the stirring cylinder, and the second stirring blades are located on one side of the stirring auxiliary shaft, which is far away from the inner side wall of the stirring cylinder.

Through adopting above-mentioned technical scheme for the stirring countershaft not only drives a plurality of second stirring vane rotations in the rotation process and scrapes the concrete of attaching on the churn inside wall down through the rubber pad, not only saves raw materials, still is favorable to follow-up washing the churn.

Preferably, the first stirring blades and the second stirring blades on the same stirring auxiliary shaft are distributed in a staggered manner along the length direction of the stirring main shaft.

Through adopting above-mentioned technical scheme for the stirring space cover in with the churn in the stirring region of a plurality of first stirring vane and a plurality of second blade, thereby make the concrete mixture more even.

Preferably, one end of the first stirring blade, which is far away from the stirring main shaft, is bent at an obtuse angle, one end of the second stirring blade, which is far away from the stirring auxiliary shaft, is bent at an obtuse angle, and the bending directions of the first stirring blade and the second stirring blade are opposite.

Through adopting above-mentioned technical scheme for first stirring vane not only stirs the concrete raw materials with second stirring vane at the rotation in-process, still plays the effect of similar slice, thereby turns over the concrete raw materials, thereby makes the concrete raw materials mix more fully.

Preferably, the frame includes two vertical backup pads that set up relatively, the churn rotates to be connected between two backup pads, one of them is provided with in the backup pad and orders about churn pivoted power device.

Through adopting above-mentioned technical scheme, conveniently pour concrete raw materials into the churn, simultaneously, also conveniently pour the concrete that stirs in the churn.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stirring main shaft and the stirring auxiliary shaft are driven by the driving device to rotate in opposite directions, so that the first stirring blade and the second stirring blade rotate in opposite directions, the mixing efficiency of the concrete raw materials is improved, and the concrete raw materials are mixed more uniformly;

2. the stirring auxiliary shafts and the connecting strips are provided with a plurality of groups, so that the frequency of stirring concrete can be obviously increased, and the mixing time of the concrete is shortened;

3. the mixing drum is connected between the two supporting plates in a rotating mode, so that the mixing drum can be conveniently loaded and unloaded.

Drawings

FIG. 1 is a schematic overall structure of the present application;

fig. 2 is a schematic view of the internal structure of the mixing drum in the present application.

Description of reference numerals: 1. a mixing drum; 2. a feed inlet; 3. a discharge port; 4. a stirring main shaft; 5. a stirring counter shaft; 6. a connecting strip; 7. a first stirring blade; 8. a second stirring blade; 9. a first motor; 10. a rotating shaft; 11. a support; 12. a main gear; 13. a pinion gear; 14. connecting sleeves; 15. a synchronous belt mechanism; 16. a limiting ring; 17. a rubber pad; 18. a support plate; 19. a connecting rod; 20. a second motor; 21. a gear set.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a mix concrete mixer capable of improving raw material mixing efficiency. Referring to fig. 1, a mix concrete mixer that improves raw materials mixing efficiency includes the frame and erects churn 1 in the frame, and feed inlet 2 has been seted up to the one end of churn 1, and discharge gate 3 has been seted up to the other end of churn 1, and the one end that discharge gate 3 was seted up to churn 1 is conical setting.

Referring to fig. 2, a stirring main shaft 4 and a stirring auxiliary shaft 5 which are arranged in parallel are arranged in the stirring cylinder 1, the stirring main shaft 4 and the stirring cylinder 1 are coaxially arranged, the stirring auxiliary shaft 5 is close to the inner side wall of the stirring cylinder 1, and a connecting strip 6 is arranged between the stirring auxiliary shaft 5 and the stirring main shaft 4. Stirring main shaft 4 and connecting strip 6 are provided with the multiunit, and stirring countershaft 5 is provided with two sets ofly with connecting strip 6 in this application, and two sets of stirring countershafts 5 and connecting strip 6 symmetric distribution are in the periphery of stirring main shaft 4.

Referring to fig. 2, the stirring main shaft 4 is fixedly connected with a plurality of groups of first stirring blades 7 at equal intervals along the length direction of the stirring main shaft, and each group of first stirring blades 7 are uniformly distributed on the periphery of the stirring main shaft 4 in a circumferential manner; every stirring countershaft 5 all has a plurality of second stirring vane 8 along the equidistant fixedly connected with of length direction of self, and a plurality of second stirring vane 8 are located stirring countershaft 5 and keep away from one side of churn 1 inside wall. The plurality of groups of first stirring blades 7 and the plurality of second stirring blades 8 on the same stirring auxiliary shaft 5 are distributed in a staggered manner along the length direction of the stirring main shaft 4, so that the stirring space of the stirring cylinder 1 is covered. The end of the mixing drum 1, which is provided with the feeding hole 2, is provided with a driving device which drives the mixing main shaft 4 and the mixing auxiliary shaft 5 to rotate in opposite directions, so that the mixing efficiency of the concrete raw materials is improved.

Referring to fig. 1 and 2, the driving means includes a first motor 9 and a rotation shaft 10, and the rotation shaft 10 is disposed in parallel with the stirring spindle 4. One end fixedly connected with that churn 1 opened has feed inlet 2 is used for installing first motor 9's support 11, and support 11 is the setting of U type, and support 11 spanes feed inlet 2, and first motor 9 is installed on one side that support 11 deviates from churn 1. An output shaft of the first motor 9 penetrates through the bracket 11 and is fixedly connected with the rotating shaft 10, and one end, far away from the first motor 9, of the rotating shaft 10 penetrates through the end face of the mixing drum 1 and extends into the mixing drum 1. One end of the stirring main shaft 4 penetrates through the feed port 2 and extends to penetrate through the bracket 11, and the stirring main shaft 4 is rotatably connected with the bracket 11 through a bearing. A main gear 12 is fixedly sleeved on a part of the rotating shaft 10, which is positioned between the bracket 11 and the mixing drum 1, a pinion 13 is fixedly sleeved on a part of the mixing main shaft 4, which is positioned between the bracket 11 and the mixing drum 1, and the main gear 12 and the pinion 13 are in meshing transmission. The part of the stirring main shaft 4 positioned in the stirring cylinder 1 is rotatably sleeved with a connecting sleeve 14, the connecting sleeve 14 is adjacent to the feeding port 2, and the connecting strip 6 is fixedly welded between the connecting sleeve 14 and the stirring auxiliary shaft 5. A synchronous belt mechanism 15 is arranged between one end of the rotating shaft 10 inserted into the mixing drum 1 and the connecting sleeve 14.

The first motor 9 operates to drive the rotation shaft 10 to rotate, the rotation shaft 10 is meshed with the pinion 13 through the main gear 12 to drive the stirring main shaft 4 to rotate in the direction opposite to the rotation direction of the rotation shaft, and meanwhile, the rotation shaft 10 drives the connecting sleeve 14 to rotate in the same direction as the rotation direction of the rotation shaft through the synchronous belt mechanism 15, so that the stirring main shaft 4 and the stirring auxiliary shaft 5 rotate in the opposite directions.

Referring to fig. 2, the stirring spindle 4 is further sleeved with two limiting rings 16, and the connecting sleeve 14 is rotatably clamped between the two limiting rings 16. The two stop rings 16 cooperate with each other to limit the movement of the connecting sleeve 14 along the length direction of the stirring main shaft 4, so that the stirring auxiliary shaft 5 is more stable during rotation.

Referring to fig. 2, one end of the first stirring blade 7 away from the stirring main shaft 4 is bent at an obtuse angle, one end of the second stirring blade 8 away from the stirring auxiliary shaft 5 is also bent at an obtuse angle, and the bending directions of the first stirring blade 7 and the second stirring blade 8 are opposite. The first stirring blade 7 and the second stirring blade 8 stir-fry the concrete raw materials in the rotating process, so that the concrete raw materials are mixed more uniformly.

Referring to fig. 2, a rubber pad 17 is further bonded and fixed to the side of the stirring counter shaft 5 close to the inner side wall of the stirring drum 1, and the rubber pad 17 is in rotational contact with the stirring drum 1. Through setting up rubber pad 17, can scrape down depending on the concrete on 1 inside wall of churn, when reducing the concrete raw materials extravagant, be favorable to follow-up washing churn 1.

Referring to fig. 1, the frame includes two support plates 18 disposed vertically and oppositely, two connecting rods 19 are welded and fixed on the outer peripheral surface of the mixing drum 1, and the two connecting rods 19 are disposed coaxially. The ends of the two connecting rods 19, which are far away from the mixing drum 1, penetrate through the two support plates 18 respectively and are rotatably connected with the support plates 18 through bearings. One of the support plates 18 is provided with a power device for driving the connecting rod 19 to rotate.

Referring to fig. 1, the power device includes a second motor 20, and an output shaft of the second motor 20 is in transmission connection with the connecting rod 19 through a gear set 21. When stirring the concrete, 1 level of churn is placed to make the concrete raw materials can not pile up at discharge gate 3, thereby make concrete raw materials misce bene. After the concrete raw materials are mixed, the second motor 20 operates and drives the connecting rod 19 to rotate through the gear set 21, and the connecting rod 19 rotates to drive the mixing drum 1 to rotate to the discharge port 3 downwards, so that the discharging is convenient.

The implementation principle of the concrete mixer for mixing and improving the mixing efficiency of the raw materials in the embodiment of the application is as follows: when concrete is to be stirred, the second motor 20 is operated to lay the mixing drum 1 flat, and water, cement, gravel and other raw materials are poured into the mixing drum 1 from the feed port 2 according to a proper proportion. The first motor 9 is started to drive the rotating shaft 10 to rotate, the rotating shaft 10 drives the stirring main shaft 4 to rotate in the direction opposite to the self-rotating direction through the meshing transmission of the main gear 12 and the secondary gear 13, and meanwhile, the rotating shaft 10 drives the connecting sleeve 14 to rotate in the same direction as the self-rotating direction through the synchronous belt mechanism 15, so that the stirring main shaft 4 and the stirring secondary shaft 5 rotate in the opposite directions.

A plurality of first stirring vane 7 and a plurality of second stirring vane 8 are at the in-process stirring concrete raw materials of orientation opposite direction pivoted to make concrete raw materials do irregular motion, thereby make concrete raw materials mix more evenly, simultaneously, the concrete receives the frequency increase of stirring, thereby improves the mixing efficiency of concrete raw materials.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an improve raw materials mixing efficiency's thoughtlessly mix concrete mixer which characterized in that: including the frame and erect churn (1) in the frame, feed inlet (2) have been seted up to the one end of churn (1), discharge gate (3) have been seted up to the other end of churn (1), be provided with stirring main shaft (4) and stirring countershaft (5) in churn (1), a plurality of first stirring vane (7) of fixedly connected with on stirring main shaft (4), a plurality of second stirring vane (8) of fixedly connected with on stirring countershaft (5), the one end that churn (1) was opened feed inlet (2) is provided with drive stirring main shaft (4) and stirring countershaft (5) towards opposite direction pivoted drive arrangement.

2. The concrete mixer for mixing according to claim 1, wherein the concrete mixer comprises: the driving device comprises a first motor (9) and a rotating shaft (10), the rotating shaft (10) is fixedly connected with an output shaft of the first motor (9), the rotating shaft (10) and one end far away from the first motor (9) penetrate through the stirring drum (1) and are rotatably connected with the stirring drum (1), a main gear (12) is fixedly sleeved on the rotating shaft (10), a secondary gear (13) is fixedly sleeved on the stirring main shaft (4), and the main gear (12) is in meshing transmission with the secondary gear (13); the stirring device is characterized in that a connecting sleeve (14) is sleeved on the stirring main shaft (4) in a rotating mode, a connecting strip (6) is fixedly connected between the stirring auxiliary shaft (5) and the connecting sleeve (14), and a synchronous belt mechanism (15) is arranged between the rotating shaft (10) and the connecting sleeve (14).

3. The concrete mixer for mixing according to claim 2, wherein the concrete mixer comprises: the stirring main shaft (4) is fixedly sleeved with two limiting rings (16), and the connecting sleeve (14) is rotatably clamped between the two limiting rings (16).

4. The concrete mixer for mixing according to claim 2, wherein the concrete mixer comprises: the stirring auxiliary shafts (5) and the connecting strips (6) are provided with a plurality of groups, and the stirring auxiliary shafts (5) and the connecting strips (6) are uniformly distributed on the periphery of the connecting sleeve (14) in the circumferential direction.

5. The concrete mixer for mixing according to claim 1, wherein the concrete mixer comprises: the stirring auxiliary shaft (5) is close to the inner side wall of the stirring cylinder (1), one side, close to the inner side wall of the stirring cylinder (1), of the stirring auxiliary shaft (5) is fixedly connected with a rubber pad (17), the rubber pad (17) is in butt joint with the inner side wall of the stirring cylinder (1) in a rotating mode, and the second stirring blades (8) are located on one side, far away from the inner side wall of the stirring cylinder (1), of the stirring auxiliary shaft (5).

6. The concrete mixer of claim 5, wherein said concrete mixer further comprises: the first stirring blades (7) and the second stirring blades (8) on the same stirring auxiliary shaft (5) are distributed in a staggered mode along the length direction of the stirring main shaft (4).

7. The concrete mixer of claim 6, wherein said concrete mixer further comprises: the one end that stirring main shaft (4) were kept away from in first stirring vane (7) is the obtuse angle and buckles and set up, the one end that stirring countershaft (5) were kept away from in second stirring vane (8) is the obtuse angle and buckles and set up, the buckling orientation of first stirring vane (7) and second stirring vane (8) is opposite.

8. The concrete mixer for mixing according to claim 1, wherein the concrete mixer comprises: the frame includes two vertical backup pads (18) that set up relatively, churn (1) rotates to be connected between two backup pads (18), and one of them be provided with on backup pad (18) and order about churn (1) pivoted power device.