CN221187078U - Concrete pre-stirring device - Google Patents

Abstract

The utility model discloses a concrete pre-stirring device, which comprises a cylinder body and a rotating shaft coaxially arranged with the cylinder body, wherein a baffle plate is arranged in the cylinder body and close to the middle, the baffle plate is elastically connected with the cylinder body, the rotating shaft penetrates through the baffle plate and is in sliding fit with the baffle plate, a first stirring rod and a second stirring rod are fixedly connected with the outer side of the rotating shaft, an annular groove matched with the baffle plate is formed in the inner wall of the cylinder body, and the top of the baffle plate is an inclined plane; the vibrations through the baffle are favorable to assisting the drier of its top to mix, later when the stopper pops out and when cooperating with the spacing groove, can drive the baffle again and move down, and repeated above-mentioned operation makes the drier of baffle top can drop to the second stirring cavity inside constantly downwards, and because the baffle can vibrate, consequently even have the drier card in the baffle outside, the vibrations through the baffle also can promote the material that blocks to drop to the second stirring cavity inside.

Description

Concrete pre-stirring device

Technical Field

The utility model relates to the technical field of concrete stirring, in particular to a concrete pre-stirring device.

Background

Concrete is one of the most important civil engineering materials in the current generation, and is an artificial stone prepared by mixing cementing materials, aggregate and water according to a certain proportion, stirring, vibrating and shaping, and curing under certain conditions.

Chinese patent CN218985236U discloses a concrete pre-stirring device, which comprises a fixed plate, fixed surface fixed mounting has premix case, agitator tank, storage tank, the inside top of premix case is connected with the rotary drum through the bearing, the rotary drum all is provided with tooth on the surface all around, tooth meshing is connected with the third gear, third gear top is connected with driving motor, the rotary drum rotates and is connected with the puddler. In this scheme, third gear meshing tooth drives the rotary drum and rotates, drives the puddler and rotates when the rotary drum rotates, stirs premixed case, agitator tank, the material in the storage case, can stir in advance the drier such as cement, grit through setting up premixed case, and the drier descends to the agitator tank inside after the stirring is accomplished in advance, adds water and carries out thorough stirring, and inside the storage case is being fallen to after the stirring is accomplished to supply to use at any time, does not influence the production to next wave concrete, improves availability factor.

The device conveys the dry materials from the premixing box to the inside of the stirring box through the arranged connecting pipe, but in the actual use process, the dry materials are possibly blocked at the connecting pipe, and when the dry materials are blocked at the connecting pipe, the device does not have corresponding structures to treat the dry materials, so that the device still has improvement.

Accordingly, there is a need to provide a concrete pre-stirring device that solves the above-mentioned technical problems.

Disclosure of utility model

The utility model aims to provide a concrete pre-stirring device which is used for solving the existing problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a concrete pre-stirring device, includes the barrel and with the coaxial pivot that sets up of barrel, the inside position department that is close to the centre of barrel sets up a baffle, baffle and barrel elastic connection, the pivot pass the baffle and rather than sliding fit, the outside fixedly connected with first puddler of pivot and second puddler, set up on the inner wall of barrel with baffle matched with annular groove, the top of baffle is the inclined plane, the bottom fixedly connected with sleeve of baffle, the outside of pivot is located to sleeve slip cap, set up helical spacing groove on the sleeve inner wall, the outside global department elasticity of pivot is provided with the stopper with spacing groove sliding fit.

As a further scheme of the utility model, the top and the bottom of the cylinder are respectively provided with a feed pipe and a discharge pipe, and a water inlet pipe is fixedly arranged at the position, close to the bottom end, of the outer side of the cylinder.

As a further scheme of the utility model, the bottom of the partition board is fixedly connected with a vertical rod near the edge, the inner wall of the cylinder body is fixedly connected with a convex block, the vertical rod passes through the convex block and is in sliding connection with the convex block, the outer side of the vertical rod is sleeved with a first spring, and the first spring is positioned between the partition board and the convex block.

As a further scheme of the utility model, a round hole is formed in the peripheral surface of the outer side of the rotating shaft, the limiting block is arranged in the round hole in a sliding manner, a second spring is arranged in the round hole, and two ends of the second spring are fixedly connected with the limiting block and one surface opposite to the round hole respectively.

As a further scheme of the utility model, a pull rope is fixedly connected to the end face of one end of the limiting block, which is positioned in the round hole, and extends upwards along the axis of the round shaft and penetrates through the rotating shaft, the pull rope is in sliding connection with the rotating shaft, a pull plate is arranged above the rotating shaft, and one end of the pull rope, which is far away from the limiting block, is fixedly connected with the pull plate.

According to the concrete pre-stirring device, when the limiting block is led out of the limiting groove, the partition plate is sprung up under the pressure of the first spring, in the process, vibration of the partition plate is used for assisting dry materials above the limiting block in mixing, and then when the limiting block is sprung out and matched with the limiting groove, the partition plate can be driven to move downwards again, the operation is repeated, so that the dry materials above the partition plate can continuously drop downwards into the second stirring chamber, and due to the fact that the partition plate can vibrate, even if the dry materials are clamped outside the partition plate, the clamped materials can be caused to drop into the second stirring chamber through vibration of the partition plate.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an enlarged view of the portion A of FIG. 1 in accordance with the present utility model;

fig. 3 is a schematic diagram of a limiting groove structure of the present utility model.

In the figure: 1. a first stirring rod; 2. a drive gear; 3. a driven gear; 4. pulling a plate; 5. a pull rope; 6. a rotating shaft; 7. a feed pipe; 8. a partition plate; 9. an annular groove; 10. a discharge pipe; 11. a second stirring rod; 12. a bump; 13. a first spring; 14. an inclined plane; 15. a cylinder; 16. a limit groove; 17. a sleeve; 18. a second spring; 19. a limiting block; 20. a water inlet pipe.

Detailed Description

As shown in fig. 1-3, a concrete pre-stirring device comprises a barrel 15 and a rotating shaft 6 coaxially arranged with the barrel 15, wherein the bottom end of the rotating shaft 6 is rotationally connected with the bottom end of the barrel 15, the top end of the rotating shaft 6 passes through the barrel 15 and is rotationally matched with the barrel 15, a baffle plate 8 is arranged in the barrel 15 near the middle, the rotating shaft 6 passes through the baffle plate 8 and is in sliding fit with the baffle plate, the inside of the barrel 15 is favorably divided into a first stirring chamber and a second stirring chamber by the arranged baffle plate 8, the outer side of the rotating shaft 6 is fixedly connected with a first stirring rod 1 and a second stirring rod 11, the first stirring rod 1 is positioned in the first stirring chamber, and the second stirring rod 11 is positioned in the second stirring chamber;

The top and the bottom of the cylinder 15 are respectively provided with a feed pipe 7 and a discharge pipe 10, the feed pipe 7 and the discharge pipe 10 are fixedly connected with the cylinder 15 and are communicated with the cylinder 15, the bottom end of the discharge pipe 10 is provided with a sealing plate, the position, close to the bottom end, of the outer side of the cylinder 15 is fixedly provided with a water inlet pipe 20, and the water inlet pipe 20 is communicated with a second stirring cavity;

During the in-service use, leading-in to barrel 15 inside with drier such as cement, grit through inlet pipe 7, drive pivot 6 rotates, pivot 6 can drive first puddler 1 and second puddler 11 and rotate, can stir drier through first puddler 1, make its cement and grit can intensive mixing, drier after the stirring can enter into to the second through baffle 8 and stir the cavity inside, at this moment through inlet tube 20 to barrel 15 in the water injection, be favorable to drier mixing, be favorable to further stirring it through second puddler 11, the material after the stirring can be led out through arranging material pipe 10.

As shown in fig. 1-3, in order that the dry materials can smoothly fall into the second stirring chamber from the first stirring chamber, a vertical rod is fixedly connected to the bottom of the partition plate 8 near the edge, a bump 12 is fixedly connected to the inner wall of the cylinder 15, the vertical rod passes through the bump 12 and is in sliding connection with the bump 12, a first spring 13 is sleeved on the outer side of the vertical rod, and the first spring 13 is positioned between the partition plate 8 and the bump 12;

Further, an annular groove 9 matched with the partition plate 8 is formed in the inner wall of the cylinder 15, the top of the partition plate 8 is an inclined surface 14, the partition plate 8 is of a round table-shaped structure as a whole, and when the partition plate 8 moves downwards and is located at the annular groove 9, dry materials at the top of the partition plate 8 can drop into the second stirring cavity downwards through a gap between the partition plate 8 and the annular groove 9.

The bottom of the partition plate 8 is fixedly connected with a sleeve 17, the sleeve 17 is slidably sleeved on the outer side of the rotating shaft 6, specifically, a spiral limiting groove 16 is formed in the inner wall of the sleeve 17, and a limiting block 19 in sliding fit with the limiting groove 16 is elastically arranged on the outer peripheral surface of the rotating shaft 6.

During actual use, when baffle 8 is located the top of annular groove 9, then can not drop to the second in the stirring chamber in the drier in the first stirring chamber, can stir the drier through first puddler 1 this moment, and pivot 6 can drive stopper 19 and slide in spacing groove 16 at pivoted in-process, thereby drive sleeve 17 and baffle 8 and move down, when baffle 8 moves down to annular groove 9 department, the drier at baffle 8 top can drop to the second inside of the cavity through the clearance between annular groove 9 and the baffle 8, after baffle 8 moves down a section distance, stopper 19 derives from spacing groove 16, and baffle 8 receives the pressure of first spring 13 and upwards pops up this moment, and in this process, the vibrations that utilize baffle 8 are favorable to assisting its top drier to mix, later when stopper 19 pops up and when cooperating with spacing groove 16, can drive baffle 8 down again, the drier that the operation of repeating above makes baffle 8 can drop to the second inside of stirring chamber constantly, and even if the baffle 8 has the inside of vibration to make the baffle 8 drop to the inside of the second stirring chamber because of the baffle 8 has the vibrations.

As shown in fig. 1, in order to drive the limiting block 19 to move relative to the rotating shaft 6, a round hole is formed in the outer peripheral surface of the rotating shaft 6, the limiting block 19 is slidably arranged in the round hole, a second spring 18 is arranged in the round hole, two ends of the second spring 18 are fixedly connected with the limiting block 19 and one surface opposite to the round hole respectively, a pull rope 5 is fixedly connected to one end surface of the limiting block 19 positioned in the round hole, the pull rope 5 extends upwards along the axis of the circular shaft and penetrates through the rotating shaft 6, the pull rope 5 is slidably connected with the rotating shaft 6, a pull plate 4 is arranged above the rotating shaft 6, and one end, far away from the limiting block 19, of the pull rope 5 is fixedly connected with the pull plate 4;

The outside fixedly connected with backup pad of pivot 6 has the cylinder in the backup pad, the flexible end and the arm-tie 4 fixed connection of cylinder to this drives arm-tie 4 and reciprocates, when arm-tie 4 upwards moves, can drive stopper 19 through stay cord 5 and remove to the round hole inside, thereby makes between stopper 19 and the spacing groove 16 break away from the connection, and when arm-tie 4 moves down, stopper 19 will pop out and cooperate with spacing groove 16.

In order to drive the rotating shaft 6 to rotate, a motor is fixedly arranged at the top of the cylinder 15, the output end of the motor is connected with a driving shaft, a driving gear 2 is fixedly sleeved on the outer side of the driving shaft, and a driven gear 3 meshed with the driving gear 2 is fixedly sleeved on the outer side of the rotating shaft 6 so as to drive the rotating shaft 6 to rotate.

The bottom fixedly connected with dog of montant is favorable to avoiding separating between montant and the lug 12.

The outside of the cylinder 15 is fixedly connected with supporting legs.

Claims (5)

1. The utility model provides a concrete pre-stirring device, includes the barrel and with the coaxial pivot that sets up of barrel, the inside position department that is close to the centre of barrel sets up a baffle, baffle and barrel elastic connection, the pivot pass the baffle and rather than sliding fit, the outside fixedly connected with first puddler of pivot and second puddler, its characterized in that: the cylinder is characterized in that an annular groove matched with the partition plate is formed in the inner wall of the cylinder, the top of the partition plate is an inclined plane, a sleeve is fixedly connected to the bottom of the partition plate, the sleeve is slidably sleeved on the outer side of the rotating shaft, a spiral limiting groove is formed in the inner wall of the sleeve, and a limiting block matched with the limiting groove in a sliding mode is elastically arranged on the peripheral surface of the outer side of the rotating shaft.

2. A concrete pre-mixing device according to claim 1, wherein: the top and the bottom of barrel are provided with inlet pipe and row material pipe respectively, the barrel outside is close to bottom position department fixed mounting has the inlet tube.

3. A concrete pre-mixing device according to claim 2, wherein: the bottom of baffle is close to edge fixedly connected with montant, fixedly connected with lug on the barrel inner wall, the montant pass the lug and rather than sliding connection, the outside cover of montant is equipped with first spring, and first spring is located between baffle and the lug.

4. A concrete pre-mixing device according to claim 1, wherein: the rotary shaft is characterized in that a round hole is formed in the outer peripheral surface of the rotary shaft, the limiting block is arranged in the round hole in a sliding mode, a second spring is arranged in the round hole, and two ends of the second spring are fixedly connected with the limiting block and one surface, opposite to the round hole, of the limiting block respectively.

5. A concrete pre-mixing device according to claim 4, wherein: the limiting block is located on the end face of one end of the inner portion of the round hole, a pull rope is fixedly connected to the end face of one end of the inner portion of the round hole, extends upwards along the axis of the round shaft and penetrates through the rotary shaft, the pull rope is slidably connected with the rotary shaft, a pull plate is arranged above the rotary shaft, and one end, away from the limiting block, of the pull rope is fixedly connected with the pull plate.