CN209350578U - concrete pouring device - Google Patents

Abstract

The utility model discloses a kind of concrete casting devices, it includes agitator and pedestal, there is agitator tank on pedestal, and the agitating shaft in agitator tank is movably arranged on top plate, and connect with the servo motor on top plate, the upper and lower side that agitating shaft is located in agitator tank offers thread segment；There is helical blade on agitating shaft between thread segment, has stirring blade on the side wall of agitator, have intercommunicating pore on side wall；There are outboard sidewalls to be both provided with the first sleeve of screw thread on the bottom wall of agitator；The upper end of agitator is connected with second sleeve by link block；Agitator is mounted on the thread segment of agitating shaft by first sleeve and second sleeve；The top of agitator tank is equipped with feed hopper and extends to the water inlet pipe right above water inlet；The bottom edge of agitator tank offers bottom discharge port.

Description

concrete pouring device

technical field

The utility model relates to a pouring device in the construction industry, in particular to an anti-solidification concrete pouring device.

Background technique

At present, with the development of science and technology, construction and other fields are developing rapidly, and a large amount of concrete is required for daily construction. In order to increase the construction speed, some blocky concrete blocks on the roadside and flowerbed are poured in factories. The concrete blocks are then transported to the site for enclosure to form flower garden curbs.

Concrete blocks in the factory mainly use pouring machines to mix cement, sand and gravel aggregates and water and mix them into concrete mixtures, and then pour them into corresponding models to solidify to form curbstones. When the existing pouring machine is working, it generally pours cement and sand and gravel aggregates into the mixing tank, then adds water, and then starts stirring, so that it takes a lot of time to mix the dry material and water evenly; when the mixing is completed and pouring , the main thing is to mix the concrete well first, then stop the mixing and then tilt to pour; because the concrete contains sand and gravel aggregates, if the stirring is not continued, the sand and gravel in the concrete will sink and the pouring will be uneven, making the same batch It is difficult for the quality of curbstones to reach the same index.

Utility model content

Aiming at the above-mentioned deficiencies in the prior art, the utility model provides a concrete pouring device capable of quickly mixing materials evenly and continuously stirring during the pouring process.

In order to achieve the above-mentioned purpose of the invention, the technical scheme that the utility model adopts is:

A concrete pouring device is provided, which includes a mixing tank and a base. The bottom surface of the base is equipped with movable casters through a support frame. The base is fixedly installed with a mixing box through a support block. A stirring shaft is arranged in the mixing box, and the stirring shaft extends out The end of the top plate of the stirring box is installed on the top plate through a bearing, and is connected with the servo motor on the top plate through a coupling. The upper end and the lower end of the stirring shaft in the stirring box are respectively provided with threaded sections with a length of 20cm and 30cm;

Helical blades are installed on the stirring shaft between the two threaded sections, and a number of stirring blades staggered from each other are installed on the side wall of the mixing barrel at equal intervals from bottom to top. A communication hole through which the inner cavity communicates with the inner cavity of the mixing tank; the center of the bottom wall of the mixing tank has a first sleeve extending downward, the inner surface of the first sleeve is provided with an internal thread that matches the threaded section, and the outer surface is provided with a have an external thread of the opposite direction to that of the threaded section;

The upper end of the mixing bucket is connected with a second sleeve through a connecting block, and a water inlet is formed between two adjacent connecting blocks; the mixing bucket is installed on the threaded section of the stirring shaft through the first sleeve and the second sleeve; the top of the mixing box Install a feed hopper for dry materials to enter the bottom wall of the mixing tank and a water inlet pipe extending directly above the water inlet;

There is a bottom outlet on the edge of the bottom plate of the mixing box, and a third sleeve is installed on the bottom plate directly below the second sleeve through a bearing. Internal thread; the third sleeve is equipped with a cover plate for sealing the bottom outlet through the connecting plate, and the fourth sleeve with internal thread is installed on the edge of the cover plate adjacent to the side wall of the mixing tank;

A locking rod is installed on the top plate through a bearing, and the locking rod extends into the mixing box, and an external thread that matches the fourth sleeve is provided at its lower end; a rocker is connected to the end of the locking rod outside the mixing box ; The bottom discharge port is connected with a feeding pipe passing through the support block, and the servo motor is connected with the controller.

Further, a mounting hole through the base is provided on the base next to the mixing barrel, and a feeding barrel connected to the bottom outlet through the feeding pipe is installed in the mounting hole;

A support is fixedly installed on the base next to the mixing barrel, a stirring motor is installed on the support plate of the support, a rotating shaft extending into the feeding barrel is installed on the power output shaft of the stirring motor, and a spiral blade is installed in the rotating shaft; The stirring motor is connected with the controller.

Further, a support frame is provided at the four corners of the base, and the support frame includes a support seat and an electric push rod with one end fixed on the support seat and the other end fixed on the base, and two supports in the length direction A rotating shaft is installed on the base through a bearing, and movable casters are installed at both ends of the rotating shaft; all electric push rods are connected with the controller.

Further, a driven gear is installed on one of the rotating shafts, and a motor connected to the controller is installed on the supporting base where the rotating shaft of the driven gear is installed, and a driving gear that cooperates with the driven gear is installed on the output shaft of the motor. .

Further, the two sides of the bracket are provided with vertical chute, and the two ends of the support plate are respectively installed in the vertical chute; the support plate is located on the side outside the vertical chute, and a friction wheel is installed through the bearing, and the friction wheel below the friction wheel A motor connected with the controller is installed on the support, and a cam matched with the friction wheel is installed on the output shaft of the motor.

Furthermore, a number of anti-slip protrusions are provided on the inner surfaces of the mixing barrel and the lower material barrel and the inner and outer surfaces of the mixing box.

The beneficial effects of the utility model are: after the dry material enters the bottom of the mixing tank, the solution adds stirred water to the dry material through the lower end of the mixing barrel, and stirs while adding water, so that the entering water can be quickly mixed with the surrounding The dry material is in contact, so as to realize the rapid mixing of dry material and water.

Through the forward and reverse rotation of the servo motor, the mixing tank can be cycled up and down, and it can also rotate rapidly to achieve rapid mixing of the concrete raw materials; It enters the communication hole that is transmitted to the top and is thrown out quickly. The combination of the above-mentioned various forms of stirring can ensure that the concrete raw materials are quickly stirred to meet the pouring requirements.

When the concrete raw materials are mixed to the pouring requirements, the locking rod is separated from the fourth sleeve, and the servo motor drives the stirring shaft to rotate in the same direction as the external thread of the first sleeve, so that the mixing barrel moves downward, so that The lower end of the first sleeve enters the third sleeve, and the cover plate is separated from the bottom outlet to realize discharging. At the same time, the synchronous movement of the cover plate and the stirring shaft can continue to stir the bottom of the mixing box to ensure the discharging process. It can also continuously mix the concrete raw materials.

Description of drawings

Figure 1 is a schematic diagram of the structure of a concrete mixing device.

Figure 2 is a top view of the mixing tank.

Fig. 3 is an enlarged view of part A in Fig. 1 .

Among them, 1. base; 11. support frame; 111. support base; 112. electric push rod; 113. rotating shaft; 114. driven gear; 115. driving gear; 12. mobile caster; 13. electric motor; Stirring box; 21, stirring shaft; 211, thread section; 212, spiral blade; 22, servo motor; 221, coupling; 23, feeding hopper; 24, water inlet pipe; 25, bottom outlet; 26, the first Three sleeves;

27, cover plate; 271, connecting plate; 272, fourth sleeve; 28, locking rod; 281, rocking handle; 29, feeding pipe; 3, mixing bucket; 31, mixing blade; 32, communication hole; , the first sleeve; 34, the connecting block; 35, the second sleeve; 36, the water inlet; 4, the feeding barrel; 5, the bracket; 51, the support plate; 511, the friction wheel; 52, the stirring motor; 53, Rotary shaft; 531, helical blade; 54, motor; 55, cam.

Detailed ways

The specific embodiment of the present utility model is described below, so that those skilled in the art understand the utility model, but should be clear, the utility model is not limited to the scope of specific embodiment, for those of ordinary skill in the art, as long as Various changes are within the spirit and scope of the utility model defined and determined by the appended claims, and these changes are obvious, and all utility model creations utilizing the concept of the utility model are all included in the protection list.

As shown in Figure 1, the concrete pouring device includes a mixing bucket 3 and a base 1, the mixing bucket 3 is a barrel structure without a top wall, and the bottom surface of the base 1 is equipped with mobile casters 12 through a support frame 11. A support frame 11 is provided at the four corners of the seat 1 .

As shown in Figure 3, wherein, the support frame 11 includes a support base 111 and one end is fixed on the support base 111, and the other end is fixed on the electric push rod 112 on the base 1, and the two support bases 111 located in the length direction pass through Bearing is equipped with rotating shaft 113, and mobile caster 12 is installed on the two ends of rotating shaft 113; All electric push rods 112 are all connected with controller, and controller adopts the single-chip microcomputer of STC89C52RC chip.

After the electric push rod 112 is set, the height of the bottom surface of the base 1 from the ground can be adjusted according to the height of the poured concrete block, so as to ensure that the pouring device of this program can be applied to the pouring of concrete blocks of various specifications, so that The adaptability of the device is stronger.

Connect the electric push rod 112 to the controller, and the telescopic length of the electric push rod 112 can be adjusted through the controller, which facilitates the realization of automation.

During implementation, the preferred one of the rotating shafts 113 of the program is equipped with a driven gear 114, and the motor 13 connected to the controller is installed on the supporting seat 111 where the rotating shaft 113 of the driven gear 114 is installed, and the output shaft of the motor 13 The driving gear 115 that cooperates with the driven gear 114 is installed on it.

The introduction of the motor 13 can eliminate the need for workers to push the pouring device to pour concrete blocks, and the transfer of the pouring device during the pouring process can be realized by the motor 13, reducing the labor intensity of the workers.

With reference to Fig. 1 again, a stirring box 2 is fixedly installed on the support block of the base 1, the stirring box 2 is a box body with side walls on each side, a stirring shaft 21 is arranged in the stirring box 2, and the stirring shaft 21 extends out of the stirring box The end of the top plate of 2 is installed on the top plate through bearings, and the end of the stirring shaft 21 extending from the top is connected with the servo motor 22 on the top plate through a coupling 221, and the two ends of the stirring shaft 21 in the mixing box 2 are provided with Thread segment 211 with a length of 20 cm.

Helical blades 212 are installed on the stirring shaft 21 between the two sections of threaded sections 211, and some mutually staggered stirring blades 31 are installed on the side wall of the mixing bucket 3 from bottom to top at equal intervals, so that the paddles 31 on different height directions can be adjusted. Stir the ingredients.

The lower end and the upper end of the side wall of the mixing bucket 3 are provided with a plurality of communication holes 32 connecting the inner cavity of the mixing box 2 with the inner cavity of the mixing bucket 3; the center of the bottom wall of the mixing bucket 3 has a first sleeve 33 extending downward, and The inner surface of a sleeve 33 is provided with an internal thread that cooperates with the threaded section 211 , and its outer surface is provided with an external thread that is opposite to the thread direction of the threaded section 211 .

As shown in Figure 2, the upper end of the mixing bucket 3 is connected with a second sleeve 35 through a connecting block 34, and a water inlet 36 is formed between two adjacent connecting blocks 34; the mixing bucket 3 passes through the first sleeve 33 and the second sleeve The barrel 35 is installed on the threaded section 211 of the stirring shaft 21; the top of the mixing box 2 is provided with a feed hopper 23 for dry materials entering the bottom wall of the mixing box 2 and a water inlet pipe 24 extending to the water inlet 36 directly above.

The unique setting of the thread on the first sleeve 33 and the second sleeve 35 on the mixing bucket 3 is mainly aimed at rotating the stirring shaft 21 with the mixing bucket 3 when it rotates in the direction of the threaded section 211. While moving upwards, when the stirring shaft 21 is reversed toward the screw thread direction of the threaded section 211, the mixing barrel 3 moves downward; when the material is continuously moved downward, the lower end of the first sleeve 33 enters the second sleeve 35 , so that the cover plate 27 follows the rotation, and the lower end of the stirring box 2 is stirred simultaneously.

The edge of the bottom plate of the mixing box 2 is provided with a bottom discharge port 25, and a third sleeve 26 is installed on the bottom plate directly below the second sleeve 35 through a bearing. The external thread on the top is matched with the internal thread; the third sleeve 26 is installed with a cover plate 27 that seals the bottom discharge port 25 through the connecting plate 271, and the cover plate 27 is installed on the edge adjacent to the side wall of the mixing box 2 with the first internal thread. Four sleeves 272;

A locking rod 28 is installed on the top plate through a bearing, and the locking rod 28 extends into the mixing box 2, and its lower end is provided with an external thread that cooperates with the fourth sleeve 272; The part is connected with a rocking handle 281; the bottom outlet 25 is connected with a blanking pipe 29 passing through the support block. When stirring, there is a certain distance between the edge of the stirring blade 31 and the locking rod 28 , which can prevent the stirring blade 31 from colliding with the locking rod 28 .

Below in conjunction with Fig. 1, the working method of the pouring device provided by this scheme is described:

When the pouring device is ready to work, first shake the rocker 281 so that the lower end of the locking rod 28 enters the fourth sleeve 272, and continue to shake the rocking handle 281 so that the locking rod 28 is in close contact with the inner bottom surface of the fourth sleeve 272, so as to The cover plate 27 is in close contact with the bottom discharge port 25 to seal the bottom discharge port 25 .

Afterwards, pour the concrete raw materials into the mixing tank 2 through the feed hopper 23. After the dry material is poured out, the servo motor 22 is turned on to cycle forward and reverse, and the mixing tank 3 just rises when forward and reverse each time. Drop 20cm; start the servo motor 22 and feed water into the water inlet pipe 24 at the same time, the water that enters flows into the mixing bucket 3 from the water inlet 36, and quickly flows into the concrete raw material from the communication hole 32 at the lower end of the mixing bucket 3 along the tangential direction of the mixing bucket 3 .

When the mixing shaft 21 moves up and down with the mixing bucket 3, the water can enter the concrete raw materials from different heights, so that the water can be quickly mixed into the raw materials. In the early stage, water can quickly enter the raw material.

After the addition of water is completed, when the raw material and water can basically form a fluid slurry, when the stirring shaft 21 rotates, under the action of the screw blade 212, the slurry entering from the communication hole 32 at the lower end of the mixing tank 3 is driven by the rotation of the screw blade 212. Transported to the communication hole 32 at the upper end of the mixing tank 3, and quickly sprayed out from the communication hole 32, and then collided with the liquid in the mixing tank 2 through the action of the mixing blade 31 to achieve collision mixing.

The circulation of the mixing tank 3 rises and falls, so that the positions of the slurry entering from the lower communicating hole 32 and the slurry ejected from the upper connecting hole 32 are different each time, and the stirring blade 31 presents a spiral upward and downward spiral. The mutual cooperation of the methods can make the slurry can be stirred evenly quickly, thus greatly shortening the mixing time and improving the pouring efficiency.

When the slurry in the mixing tank 2 has reached the pouring requirement or the mixing time has reached the preset duration, the worker shakes the crank handle 281 to make the lower end of the locking rod 28 withdraw from the fourth sleeve 272 and release the locking of the cover plate 27 , then adjust the direction of rotation of the servo motor 22, so that the stirring shaft 21 moves downward with the mixing bucket 3, so that the first sleeve 33 enters the second sleeve 35 and rotates with the second sleeve 35.

When the second sleeve 35 rotates, it takes the cover plate 27 to follow the rotation, and opens the bottom outlet 25, so that the stirred slurry enters the mold box through the feeding pipe 29, and realizes the pouring of concrete blocks. The shaft 21 rotates continuously to continuously stir the slurry, so as to prevent the sandstone aggregate of the slurry from sinking and affect the quality of the same batch of concrete blocks.

Before pouring, the rotation speed and start-up time of the servo motor 22 during pouring can be debugged, so that after a concrete block is poured, the cover plate 27 just completely blocks the bottom discharge port 25, and the machine is shut down. , Start again and continue to realize blanking, so as to avoid the phenomenon that the bottom discharge port 25 is not completely closed when the pouring device is transferred to the next model box.

In one embodiment of the present invention, the base 1 next to the mixing tank 3 is provided with a mounting hole through the base, and the lowering tank 4 communicating with the bottom outlet 25 through the lowering pipe 29 is installed in the mounting hole;

A support 5 is fixedly installed on the base 1 next to the mixing bucket 3, a stirring motor 52 is installed on the support plate 51 of the support 5, and a rotating shaft 53 extending into the lower material barrel 4 is installed on the power output shaft of the stirring motor 52. A helical blade 531 is installed in the rotating shaft 53; both the servo motor 22 and the stirring motor 52 are connected with the controller.

The arrangement of the feeding bucket 4 and the stirring motor 52 can further stir the slurry transferred therein, so as to ensure the uniformity of the slurry entering the mold box.

During implementation, the both sides of the preferred support 5 of this program are provided with a vertical chute, and the two ends of the support plate 51 are installed in the vertical chute respectively; Wheel 511, a motor 54 connected to the controller is installed on the support 5 below the friction wheel 511, and a cam 55 that cooperates with the friction wheel 511 is installed on the output shaft of the motor 54.

During the rotation process, the motor 54 can drive the cam 55 to rotate, and the cam 55 can drive the support plate 51 to rise and fall in a cycle, and under the cooperation of the motor 54 and the stirring motor 52, the rotating shaft 53 can be rotated while falling and rising;

During the descending process of the rotating shaft 53, the lower end of the stirring shaft 21 can be extended into the mold box, so as to stir the slurry in the mold box, so as to avoid stratification of the slurry in the mold box during the pouring process, and further ensure the quality of the pouring process. The quality of the formed concrete block.

Wherein, the inner surface of the mixing barrel 3 and the lower feeding barrel and the inner and outer surfaces of the mixing box 2 are all provided with some anti-slip protrusions; the setting of the anti-skid protrusions can avoid the slurry from adhering to the mixing barrel 3 and the feeding during the stirring process. The drum and the mixing box 2 affect the mixing and feeding.

To sum up, the pouring device of this scheme can quickly mix the concrete raw materials evenly, and at the same time, it can also ensure the uniformity of each substance in the slurry during the blanking process.

Claims (6)

1. concrete casting device, which is characterized in that including agitator and pedestal, the underrun support frame of the pedestal is installed There is Moving caster, the pedestal is fixedly installed with agitator tank by supporting block, and agitating shaft is provided in the agitator tank, described to stir The end for mixing the top plate that axis extends agitator tank is mounted on top plate by bearing, and passes through shaft coupling and watching on top plate Motor connection is taken, the top and bottom that agitating shaft is located in agitator tank offer the thread segment that length is 20cm, 30cm respectively；

Helical blade is installed, on the side wall of the agitator from the bottom to top equally spacedly on the agitating shaft between two sections of thread segments Several stirring blades mutually staggered are installed, if the side wall lower ends of agitator and upper end offer capable person's agitator tank inner cavity and stir Mix the intercommunicating pore of barrel cavity connection；There is the first sleeve extended downwardly at the bottom wall central of agitator, the first sleeve Inner surface offers the internal screw thread with thread segment cooperation, and outer surface offers the outer spiral shell opposite with the thread rotary orientation of thread segment Line；

The upper end of the agitator is connected with second sleeve by link block, forms water inlet between adjacent two pieces of link blocks；Institute State the thread segment that agitator is mounted on agitating shaft by first sleeve and second sleeve；The top of the agitator tank is equipped with for dry Material enters the feed hopper of agitator tank bottom wall and extends to the water inlet pipe right above the water inlet；

The bottom edge of the agitator tank offers bottom discharge port, is installed on the bottom plate immediately below second sleeve by bearing There is a 3rd sleeve, 3rd sleeve inner surface offers the internal screw thread with the external screw thread cooperation in the second sleeve；Described Three sleeves are equipped with the cover board of a sealing bottom discharge port by connecting plate, and the cover board is installed on the edge of agitator tank side wall There is tool internal thread 4th sleeve；

A check lock lever is equipped with by bearing on the top plate, the check lock lever extends in agitator tank, and opens up in its lower end There is the external screw thread with 4th sleeve cooperation；Rocking handle is connected on the end that the check lock lever is located at outside agitator tank；The bottom The feeder pipe for passing through supporting block is connected on discharge port, the servo motor is connect with controller.

2. concrete casting device according to claim 1, which is characterized in that opened up on the pedestal beside the agitator There is the mounting hole through pedestal, the blanking barrel being connected to by feeder pipe with bottom discharge port is installed in the mounting hole；

It is fixedly installed with bracket on pedestal beside the agitator, stirring motor, institute are installed in the support plate of the bracket The rotary shaft for being equipped with and being extended in blanking barrel on the power output shaft of stirring motor is stated, spiral shape is installed in the rotary shaft Blade；The stirring motor is connect with controller.

3. concrete casting device according to claim 2, which is characterized in that be provided at four angles of the pedestal One support frame, support frame as described above include that support base and one end are fixed on support base, fixed on the base electronic of the other end Push rod is equipped with rotation axis by bearing on two support bases on length direction, and Moving caster is mounted on rotation axis Both ends；All electric pushrods are connect with controller.

4. concrete casting device according to claim 3, which is characterized in that be wherein equipped in a rotation axis driven Gear is installed on the support base where the rotation axis of driven gear equipped with motor connected to the controller, the motor Driving gear with driven gear cooperation is installed on output shaft.

5. concrete casting device according to claim 4, which is characterized in that the two sides of the bracket offer vertical cunning The both ends of slot, the support plate are respectively arranged in the vertical chute；Pass through on the side that the support plate is located at outside the vertical chute Bearing is equipped with a friction pulley, and a motor connecting with the controller, motor are equipped on the bracket below the friction pulley Output shaft on be equipped with one with the friction pulley cooperation cam.

6. concrete casting device according to claim 5, which is characterized in that the inner surface of the agitator and blanking tube And the surfaces externally and internally of agitator tank is provided with several anti-skid bulges.