CN213617505U - Concrete mixing device - Google Patents

Abstract

The utility model belongs to the field of concrete production and processing, in particular to a concrete stirring device, which comprises a stirring barrel, wherein a stirring component is arranged in the stirring barrel, the stirring component comprises a stirring shaft which is rotatably connected at the center of the bottom of the stirring barrel, a plurality of groups of stirring blades are arranged on the stirring shaft along the axial direction, each group of stirring blades comprises a plurality of blades which are circumferentially distributed along the stirring shaft, external splines are arranged on the stirring shaft, each group of stirring blades comprises a circular ring which is connected on the stirring shaft through splines, and the blades are all hinged on the circular ring; the blades are fixed with first magnetic blocks, and the inner wall of the stirring barrel is uniformly provided with a plurality of second magnetic blocks for attracting the first magnetic blocks along the circumferential direction; the stirring shaft is detachably connected with a lower limiting block below the circular rings of each group of stirring blades, the stirring shaft is detachably connected with an upper limiting block above the circular rings of each group of stirring blades, and the end parts of the upper limiting block and the lower limiting block extend out of the circular rings. Adopt the utility model discloses a scheme can solve the not good problem of stirring effect.

Description

Concrete mixing device

Technical Field

The utility model belongs to concrete production and processing field, concretely relates to concrete mixing device.

Background

The concrete is a general term for engineering composite materials formed by cementing aggregate into a whole by cementing materials, and the term concrete generally refers to cement concrete which is prepared by mixing cement as the cementing material, sand and stone as the aggregate and water (which may contain additives and admixtures) according to a certain proportion and stirring, and is widely applied to civil engineering and architectural engineering. In the building engineering, a concrete mixer is required to be frequently used for mixing concrete.

The existing stirring device usually comprises a stirring barrel and a stirring assembly arranged in the stirring barrel, the stirring assembly usually comprises stirring blades, materials in the stirring barrel are stirred through rotation of the stirring assembly, the concrete materials contain sand stones, and in the stirring process, the stirring blades and the concrete materials are in direct contact collision, so that damage of partial degree can occur, after the stirring device is used for a period of time, the whole stirring device can be required to be replaced, and the maintenance and replacement cost is higher.

SUMMERY OF THE UTILITY MODEL

To exist not enough among the prior art, the utility model provides a concrete mixing device to solve the stirring in-process, stirring vane can take place the damage of partial degree, after using a period, probably needs whole agitating unit to change, the higher problem of maintenance replacement cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a concrete stirring device comprises a stirring barrel, wherein a stirring assembly is installed in the stirring barrel, the stirring assembly comprises a stirring shaft which is rotatably connected in the stirring barrel, a plurality of groups of stirring blades are axially arranged on the stirring shaft, each group of stirring blades comprises a plurality of blades which are circumferentially distributed along the stirring shaft, spline sections are arranged on the stirring shaft, each group of stirring blades comprises a circular ring which is connected with the stirring shaft in a spline connection and can be disassembled, and the blades are hinged on the circular ring; the blades are fixed with first magnetic blocks, and the inner wall of the stirring barrel is uniformly provided with a plurality of second magnetic blocks for attracting the first magnetic blocks along the circumferential direction; the stirring shaft is detachably connected with a lower limiting block below the circular rings of each group of stirring blades, the stirring shaft is detachably connected with an upper limiting block above the circular rings of each group of stirring blades, and the end parts of the upper limiting block and the lower limiting block extend out of the circular rings.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in this scheme, fix spacingly through last spacing piece, spacing piece down to the ring, dismantle spacing piece, spacing piece down after, can convenient to detach the ring, and then conveniently change the blade of damage.

2. The blades are hinged to the circular ring, can be subjected to certain deflection under the action of attraction of the second magnetic block in the rotating process of the stirring shaft, so that a better stirring effect can be obtained, and the upper limiting block and the lower limiting block can also limit the deflection angle of the blades.

Drawings

Fig. 1 is a front sectional view of an embodiment of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1. a support plate; 2. a strut; 3. a support frame; 4. a cylinder; 5. a stirring barrel; 6. a fixed block; 7. a barrel cover; 8. inserting a block; 9. a stirring shaft; 10. a bearing; 11. a blade; 12. a circular ring; 13. a spline section; 14. a motor; 15. an upper limit block; 16. a lower limiting block; 18. a flange; 19. and (4) a bump.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings, and specific embodiments will be given.

As shown in fig. 1, a concrete mixing device, including support frame 3, support frame 3 includes backup pad 1 and fixes a plurality of branch 2 in backup pad 1 upper end, installs agitator 5 on support frame 3, is fixed with lug 19 on branch 2, 5 lateral walls of agitator and lug 19 sliding connection, and agitator 5 can be vertical on support frame 3 and slide. A plurality of second driving pieces used for driving the stirring barrel 5 to vertically slide are arranged below the stirring barrel 5 on the supporting plate 1, the second driving pieces select the air cylinder 4 in the embodiment, the air cylinder 4 can be directly fixed on the supporting plate 1 and can also be embedded on the supporting plate 1, and the air cylinder 4 can be randomly moved on the supporting plate 1 in the use process of the avoiding device. The top end of the output shaft of the cylinder 4 is fixedly connected with the lower end of the stirring barrel 5.

A barrel cover 7 is detachably mounted at the upper end of the stirring barrel 5, the outer diameter of the barrel cover 7 is larger than that of the stirring barrel 5, and a fixing block 6 used for limiting the barrel cover 7 is fixed on the supporting rod 2. The upper end of the stirring barrel 5 is provided with an annular jack, the lower end of the barrel cover 7 is fixed with an annular insert block 8, the insert block 8 is in inserting fit with the jack, when the barrel cover 7 covers the stirring barrel 5, the barrel cover 7 is limited by the fixing block 6 and is located at a fixed position, and the insert block 8 is inserted into the jack.

Install the stirring subassembly in the agitator 5, the stirring subassembly includes (mixing) shaft 9, is equipped with the through-hole that supplies (mixing) shaft 9 to pass through on the bung 7, is fixed with bearing 10 on the (mixing) shaft 9, and connection can be dismantled in the through-hole to bearing 10, and is concrete, and the bearing 10 upper end is fixed with flange 18, and the external diameter of flange 18 is greater than the external diameter of bearing 10, and flange 18 bolted connection is on bung 7. The barrel cover 7 is fixed with a first driving part for driving the stirring shaft 9 to rotate, in this embodiment, the first driving part adopts a motor 14, the motor 14 and the stirring shaft 9 are driven by a belt, and in the actual use process, transmission modes such as gear transmission can be used.

The part that (mixing) shaft 9 stretched into in the agitator 5 is equipped with spline section 13, is equipped with the multiunit stirring leaf along the axial on the (mixing) shaft 9, and every group stirring leaf all includes a plurality of blades 11 that distribute along (mixing) shaft 9 circumference, and every group stirring leaf all includes spline connection and can dismantle the ring 12 of connection on (mixing) shaft 9, and the ring 12 can be followed the vertical slip of (mixing) shaft 9's spline section 13 to slide from (mixing) shaft 9 lower extreme and break away from (mixing) shaft 9. Blade 11 all articulates on ring 12, all is fixed with first magnetic path on blade 11, and first magnetic path is the bar, and sets up along 11 length direction of blade, and 5 inner walls of agitator have a plurality of second magnetic paths that are used for attracting first magnetic path along the circumference equipartition, and through the bar setting of first magnetic path, when 5 vertical slides at agitator, also make the second magnetic path have the attraction effect to first magnetic path. The plurality of blades 11 of each set of stirring blades are different in length.

As shown in fig. 2, a lower limiting block 16 located below the ring 12 of each group of stirring blades is detachably connected to the stirring shaft 9, an upper limiting block 15 located above the ring 12 of each group of stirring blades is detachably connected to the stirring shaft 9, and the upper limiting block 15 and the lower limiting block 16 are both connected to the stirring shaft 9 through bolts. The end parts of the upper limiting block 15 and the lower limiting block 16 extend out of the circular ring 12, the length of the lower limiting block 16 is smaller than that of the upper limiting block 15, the upper end of the lower limiting block 16 is provided with an inclined plane, and the end, far away from the stirring shaft 9, of the inclined plane is the lower end.

When the stirring blade is installed, firstly, the ring 12 is sleeved on the stirring shaft 9 from the lower end of the stirring shaft 9 along the spline section 13, then the upper side and the lower side of the ring 12 are respectively provided with the limiting block 15 and the lower limiting block 16, and the ring 12 is fixed and limited through the upper limiting block 15 and the lower limiting block 16. When multiple layers of stirring blades are installed, the angle of each layer of circular ring 12 can be rotated, so that the lengths of the stirring blades 11 in the axial direction are different, and a better stirring effect is obtained.

During initial state, cylinder 4 drive agitator 5 is located the lower position, and the feeding of being convenient for adds concrete material in agitator 5, and the lid closes bung 7, and at this moment, 8 lower extremes in inserted block and jack lower extreme have a determining deviation, and 7 lower extremes in bung and 5 upper ends in agitator have a determining deviation. The agitator 5 is shown in fig. 1 in a state of being located at a high position.

Starting the motor 14, driving the stirring shaft 9 to rotate by the motor 14, driving the circular ring 12 to rotate by the stirring shaft 9, and rotating the blades 11 on the circular ring 12 along with the rotation to stir. In the rotating process of the blade 11, when the first magnetic block rotates to be close to the second magnetic block along with the blade 11, the second magnetic block attracts the first magnetic block, so that the blade 11 deflects upwards, when the first magnetic block rotates to be far away from the second magnetic block along with the blade 11, the blade 11 deflects downwards under the action of gravity and resets, and the upper limiting block 15 and the lower limiting block 16 limit the deflection angle of the blade 11. The blades 11 deflect during the revolution process, so that the blades 11 can be stirred to different positions, and meanwhile, the lengths of the blades 11 are different, so that a better stirring effect is obtained. In the stirring process, the air cylinder 4 drives the stirring barrel 5 to vertically slide in a reciprocating manner, so that the blades 11 are vertically stirred to different positions, and the stirring dead angle is reduced.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (6)

1. The utility model provides a concrete mixing device, includes the agitator, installs the stirring subassembly in the agitator, the stirring subassembly is equipped with multiunit stirring leaf including rotating the (mixing) shaft of connection in the agitator on the (mixing) shaft along the axial, and every group stirring leaf all includes a plurality of blades that distribute along (mixing) shaft circumference, its characterized in that: the stirring shaft is provided with spline sections, each group of stirring blades comprises a circular ring which is connected with the stirring shaft through splines and can be detachably connected with the stirring shaft, and the blades are hinged on the circular ring; the blades are fixed with first magnetic blocks, and the inner wall of the stirring barrel is uniformly provided with a plurality of second magnetic blocks for attracting the first magnetic blocks along the circumferential direction; the stirring shaft is detachably connected with a lower limiting block below the circular rings of each group of stirring blades, the stirring shaft is detachably connected with an upper limiting block above the circular rings of each group of stirring blades, and the end parts of the upper limiting block and the lower limiting block extend out of the circular rings.

2. A concrete mixing apparatus according to claim 1, wherein: the lengths of a plurality of blades of each group of the stirring blades are different.

3. A concrete mixing apparatus according to claim 1, wherein: the upper end of the stirring barrel is detachably connected with a barrel cover, a through hole for the stirring shaft to pass through is formed in the barrel cover, a bearing is fixed on the stirring shaft, and the bearing is detachably connected in the through hole.

4. A concrete mixing apparatus according to claim 3, wherein: and a first driving piece for driving the stirring shaft to rotate is fixed on the barrel cover.

5. A concrete mixing apparatus according to claim 3, wherein: an insert block is fixed at the lower end of the barrel cover, and an insertion hole which is used for being in insertion fit with the insert block is formed in the upper end of the stirring barrel.

6. A concrete mixing apparatus according to claim 5, wherein: the stirring barrel is vertically and slidably connected to the supporting frame, and a second driving piece for driving the stirring barrel to vertically slide is fixed on the supporting frame; a fixing block for limiting the barrel cover is fixed on the supporting frame.

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