Concrete discharging device for building construction

Abstract

The invention belongs to the technical field of discharging devices, and discloses a building construction concrete discharging device which comprises a stirring box, a material blocking plate and a driving assembly, a discharging port is formed by the lower portion of the material blocking plate and the stirring box, a discharging plate is rotationally installed on the lower end face of the discharging port, and a stirring mechanism connected with the driving assembly is installed at the discharging port. Comprising a lifting assembly, a knocking assembly and an extrusion rod abutting against the upper portion of a discharging plate, and a protruding block is installed on the outer wall of the extrusion rod; during discharging, the lifting assembly ascends, the extrusion rod does not extrude the discharging plate, the discharging plate rotates so as to adjust the discharging amount of concrete in the stirring box, meanwhile, the driving assembly drives the protruding block to intermittently extrude the discharging plate, the discharging plate starts to axially swing, and therefore the concrete is rapidly discharged; and the knocking assembly comprises a spring and a knocking rod, when the driving assembly does not compress the spring, the spring stretches to drive the knocking rod to knock the striker plate, and discharging of the concrete is further accelerated. The problem that an existing device is not smooth in discharging is solved.

Description

Technical Field

[0001] The invention relates to the technical field of unloading devices, in particular to a concrete unloading device for building construction. Background Art

[0002] As an indispensable material in modern civil engineering, concrete is made of a mixture of binder, granular aggregate, water, and appropriate amounts of chemical admixtures and mineral admixtures. This combination gives concrete excellent strength, durability and adaptability, and it is widely used in various building structures.

[0003] In construction, pump trucks are often used to discharge concrete, which can efficiently and quickly deliver concrete to the construction site. However, in some cases where the site is small or the terrain is complex, mixers are often used to process concrete. Although mixers can mix concrete effectively, they cannot accurately control the discharge speed of concrete, which often leads to concrete waste.

[0004] In this regard, China has published a patent application with number 202123406656.8 for "A convenient and mobile efficient concrete unloading device", which includes a unloading hopper, one side of which is fixedly connected to a carriage, an outer fixed sleeve of the unloading hopper is provided with a mounting ring, a mounting bolt is installed on the mounting ring, and the mounting ring is fixedly connected to the carriage through the mounting bolt, and the end of the unloading hopper away from the carriage is fixedly connected to a fixing rod, and the outer movable sleeve of the fixing rod is provided with a rotating tube.

[0005] And the "concrete unloading device" with patent application number 202021801614.7, includes a bracket, a hopper, a unloading valve, a chute and a rotating adjustment support. The hopper is fixed on the bracket, the chute is supported on the bracket through a rotating adjustment support and is located below the hopper. The top of the unloading valve is connected to the discharge port of the hopper and the bottom end is connected to the chute. A stirring mechanism is provided in the hopper, and a walking wheel and a walking motor for driving the walking wheel to move are provided at the bottom of the bracket.

[0006] The above device can be moved in a narrow space and can freely adjust the discharge speed of the discharge port to avoid waste of resources. However, since concrete usually contains coarse aggregates such as gravel, when the discharge port opening is large, the flow speed of concrete is fast and the discharge speed is less affected; but when the opening is small, the flow speed of concrete will slow down, the fluidity will be restricted, and the gravel will not fall smoothly, resulting in poor discharge. Such a situation not only affects the uniformity of concrete, but also reduces construction efficiency. Summary of the invention

[0007] The purpose of the present invention is to provide a concrete unloading device for building construction, which solves the problem of unsmooth material discharge in the existing device.

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a construction concrete unloading device, comprising a mixing box, a baffle plate and a driving assembly, wherein a discharge port is formed below the baffle plate and the mixing box, a discharge plate is rotatably mounted on the lower end surface of the discharge port, and a mixing mechanism connected to the driving assembly is installed at the discharge port for mixing concrete, and further comprising: The discharging mechanism includes a lifting assembly, a knocking assembly and an extrusion rod abutting against the top of the discharge plate, and a convex block is installed on the outer wall of the extrusion rod; when discharging, the lifting assembly rises, the extrusion rod does not squeeze the discharge plate, and the discharge plate rotates to adjust the discharge amount of concrete in the mixing box. At the same time, the driving assembly drives the convex block to intermittently squeeze the discharge plate, so that the discharge plate starts to swing axially, thereby quickly discharging the concrete; The knocking assembly includes a spring and a knocking rod. When the driving assembly does not compress the spring, the spring stretches and drives the knocking rod to knock against the baffle plate, further accelerating the discharge of concrete. Preferably, the drive assembly comprises a servo motor mounted on the outer wall of the mixing box.

[0009] Preferably, the stirring assembly comprises a first round rod rotatably mounted on the inner wall of the stirring box, and a plurality of stirring rods are mounted on the outer wall of the first round rod.

[0010] Preferably, a second pulley is installed on one side of the first round rod passing through the mixing box, a synchronous belt is sleeved on the outer wall of the second pulley, and an automatic tensioner and the first pulley are sleeved on the inner wall of the synchronous belt.

[0011] Preferably, the automatic tensioning wheel is installed on the outer wall of the mixing box.

[0012] Preferably, a second round rod is installed at the center position of the first pulley, and the outer wall of the second round rod is fixedly connected to the extrusion rod.

[0013] Preferably, an incomplete gear is installed at the center of the second round rod, and the incomplete gear is meshed with the knocking rod.

[0014] Preferably, the lifting assembly comprises an electric telescopic rod symmetrically mounted on the outer wall of the mixing box, the output shaft of the electric telescopic rod is mounted with a support block, and the support block passes through the mixing box and is mounted with a slide bar.

[0015] Preferably, a fixing frame is installed on the side of the spring away from the knocking rod, the fixing frame is installed on the outer wall of the sliding rod, a supporting plate is slidably installed on the inner wall of the fixing frame, and one side of the supporting plate passes through the sliding rod and is fixedly connected to the knocking rod.

[0016] Preferably, a third round rod is rotatably mounted on the outer wall of the blanking plate, and both ends of the third round rod are mounted on the inner wall of the mixing box.

[0017] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention is provided with a lifting assembly. When the electric telescopic rod drives the support block to rise, the support block drives the second round rod to slide upward in the first slide groove, and the second round rod drives the extrusion rod to move upward. The extrusion rod no longer squeezes the discharge plate. At this time, the concrete in the mixing box squeezes the discharge plate from the discharge port. The discharge plate rotates with the third round rod as the center of the circle, and the concrete is discharged outward from the discharge plate, so as to adjust the discharge speed; Second, the present invention is provided with a convex block. When the lowering plate rotates a certain angle and the material is discharged normally, the convex block will intermittently squeeze the lowering plate, and the lowering plate will reciprocate with the third round rod as the center, so that the concrete can be discharged quickly and the material is discharged; 3. The present invention is provided with a knocking assembly. When the second round rod rotates, it drives the incomplete gear to rotate. When the toothed part of the incomplete gear engages with the knocking rod, it drives the knocking rod to squeeze the spring. When the toothed part of the incomplete gear does not engage with the knocking rod, the spring extends and drives the knocking rod to knock the material baffle plate, thereby further accelerating the discharge of concrete and preventing adhesion. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall structure of the present invention from another perspective; Figure 3 It is a cross-sectional view of the present invention; Figure 4 for Figure 3 The enlarged schematic diagram of point A in the middle; Figure 5 This is a schematic diagram of the interior of the mixing box of the present invention; Figure 6 for Figure 5 Schematic diagram of removing the baffle plate.

[0019] In the figure: 1, mixing box; 101, lock; 2, electric telescopic rod; 3, support block; 4, first pulley; 5, synchronous belt; 6, second pulley; 7, automatic tensioner; 8, motor; 9, first slide; 10, second slide; 11, baffle plate; 12, fixed frame; 13, spring; 14, support plate; 15, slide rod; 16, knock rod; 17, mixing rod; 18, first round rod; 19, unloading plate; 20, incomplete gear; 21, second round rod; 22, extrusion rod; 23, third round rod; 24, bump. DETAILED DESCRIPTION

[0020] See also Figures 1 to 6The present invention provides a technical solution: a construction concrete unloading device, comprising a mixing box 1, a baffle plate 11 and a driving assembly, wherein a discharge port is formed with the mixing box 1 below the baffle plate 11, a discharge plate 19 is rotatably mounted on the lower end surface of the discharge port, and a mixing mechanism connected to the driving assembly is installed at the discharge port for mixing concrete, and further comprising: The discharging mechanism includes a lifting assembly, a knocking assembly, and an extrusion rod 22 abutting against the top of the discharge plate 19, and a protrusion 24 is installed on the outer wall of the extrusion rod 22; when discharging, the lifting assembly rises, the extrusion rod 22 does not squeeze the discharge plate 19, and the discharge plate 19 rotates to adjust the discharge amount of concrete in the mixing box 1. At the same time, the driving assembly drives the protrusion 24 to intermittently squeeze the discharge plate 19, so that the discharge plate 19 starts to swing axially, thereby quickly discharging concrete; The knocking assembly includes a spring 13 and a knocking rod 16. When the driving assembly does not compress the spring 13, the spring 13 stretches out to drive the knocking rod 16 to knock against the baffle plate 11, further accelerating the discharge of concrete.

[0021] Further, such as Figure 1 As shown, a lock 101 is installed on the outer wall of the mixing box 1; After the lock buckle 101 rotates, the blanking plate 19 can be limited to close the discharge port.

[0022] Further, such as Figure 2 and Figure 3 As shown, the driving assembly includes a servo motor 8 mounted on the outer wall of the mixing box 1, and the mixing assembly includes a first round rod 18 rotatably mounted on the inner wall of the mixing box 1, and a plurality of mixing rods 17 are mounted on the outer wall of the first round rod 18; The servo motor 8 rotates, driving the first round rod 18 to rotate, and the first round rod 18 drives the stirring rod 17 to rotate, so as to process and stir the concrete in the mixing box 1.

[0023] Further, such as Figure 1 As shown, one side of the first round rod 18 passes through the mixing box 1 and is equipped with a second pulley 6, the outer wall of the second pulley 6 is sleeved with a synchronous belt 5, the inner wall of the synchronous belt 5 is sleeved with an automatic tensioner 7 and a first pulley 4, and the automatic tensioner 7 is installed on the outer wall of the mixing box 1; The first round rod 18 drives the second pulley 6 to rotate, and the second pulley 6 drives the automatic tensioner 7 and the first pulley 4 to rotate through the synchronous belt 5. The automatic tensioner 7 is a prior art and can keep the synchronous belt 5 in a tense state at all times.

[0024] Further, such as Figure 5 As shown, a second round rod 21 is installed at the center of the first pulley 4, and the outer wall of the second round rod 21 is fixedly connected to the extrusion rod 22; When the first pulley 4 rotates, the second round rod 21 is driven to rotate, and the second round rod 21 drives the extrusion rod 22 to rotate on the blanking plate 19 .

[0025] Further, such as Figure 3 and Figure 4 As shown, an incomplete gear 20 is installed at the center of the second round rod 21, and the incomplete gear 20 is meshed with the knock rod 16, and a rack is installed on the lower end surface of the knock rod 16; When the second round rod 21 rotates, it drives the incomplete gear 20 to rotate, and the incomplete gear 20 is intermittently meshed with the knocking rod 16.

[0026] Further, such as Figure 1 and Figure 2 As shown, the lifting assembly includes an electric telescopic rod 2 symmetrically mounted on the outer wall of the mixing box 1, the output shaft of the electric telescopic rod 2 is mounted with a support block 3, the support block 3 penetrates the mixing box 1 and is mounted with a slide bar 15, the outer wall of the mixing box 1 is symmetrically provided with a first slide groove 9 and a second slide groove 10, and both ends of the second round rod 21 are rotatably mounted on the support block 3; When the electric telescopic rod 2 is retracted or extended, the sliding rod 15 and the second round rod 21 are driven to slide up and down in the second sliding groove 10 and the first sliding groove 9 respectively, and the sliding rod 15 drives the knocking rod 16 to move.

[0027] Further, such as Figure 6 As shown, a fixing frame 12 is installed on the side of the spring 13 away from the knocking rod 16, and the fixing frame 12 is installed on the outer wall of the sliding rod 15. A supporting plate 14 is slidably installed on the inner wall of the fixing frame 12, and one side of the supporting plate 14 passes through the sliding rod 15 and is fixedly connected to the knocking rod 16; When the toothed part of the incomplete gear 20 is meshed with the rack under the knocking rod 16, the knocking rod 16 drives the support plate 14 to squeeze the spring 13. When the toothed part of the incomplete gear 20 is not meshed with the rack under the knocking rod 16, the spring 13 extends, and drives the knocking rod 16 through the support plate 14 to knock on the baffle plate 11, so that when the discharge port is closed, the internal bubbles are discharged, thereby improving the mixing process quality. When the discharge port is opened, the concrete is prevented from sticking to the inner wall, further accelerating the discharge.

[0028] Further, such as Figure 3 As shown, a third round rod 23 is rotatably mounted on the outer wall of the blanking plate 19, and both ends of the third round rod 23 are mounted on the inner wall of the mixing box 1; When the lower plate 19 is not squeezed by the squeezing rod 22, the concrete in the mixing box 1 will squeeze the lower plate 19 due to gravity to rotate around the third round rod 23 as the center. At this time, an opening will be formed between the lower plate 19 and the discharge port to adjust the discharge flow of concrete.

[0029] Further, such as Figure 1 As shown, a roller is rotatably mounted on the lower end surface of the mixing box 1, and a traction hook (not shown in the figure) is mounted on the outer wall of the mixing box 1, through which the mixing box 1 can be driven to move.

[0030] Working principle: Step 1: Pour the concrete raw materials into the mixing box 1, then connect the external power supply and controller, and use a small tractor to drive the mixing box 1 to move to the specified position. At this time, the servo motor 8 is controlled to rotate, and the servo motor 8 drives the first round rod 18 to rotate, and the first round rod 18 drives the stirring rod 17 to stir the concrete; At the same time, the first round rod 18 drives the second pulley 6 to rotate, and the second pulley 6 drives the automatic tensioner 7 and the first pulley 4 to rotate through the synchronous belt 5, and the first pulley 4 drives the second round rod 21 to rotate, and the second round rod 21 drives the incomplete gear 20 to rotate. When the toothed part of the incomplete gear 20 is engaged with the knocking rod 16, it will drive the knocking rod 16 to squeeze the spring 13. When the toothed part of the incomplete gear 20 is not engaged with the knocking rod 16, the spring 13 stretches out, driving the knocking rod 16 to knock the baffle plate 11, releasing the internal bubbles, thereby improving the quality of the mixing process; When the concrete mixing process is completed, the electric telescopic rod 2 is controlled to retract, and the electric telescopic rod 2 drives the support block 3 to rise, and the support block 3 drives the slide bar 15 and the second round rod 21 to slide upward in the second slide groove 10 and the first slide groove 9 respectively, and then the lock buckle 101 is knocked open. At this time, the concrete in the mixing box 1 is squeezed from the discharge port to the discharge plate 19, and the discharge plate 19 rotates with the third round rod 23 as the center of the circle, and the other end is limited by the extrusion rod 22, and the concrete is discharged outward from the discharge plate 19; Step 2: When the material is discharged after the unloading plate 19 rotates a certain angle, the first round rod 18 drives the second pulley 6 to rotate, the second pulley 6 drives the synchronous belt 5 to rotate, the synchronous belt 5 drives the first pulley 4 to rotate, the first pulley 4 drives the second round rod 21 to rotate, the second round rod 21 drives the extrusion rod 22 to rotate, and the extrusion rod 22 drives the protrusion 24 to rotate. At this time, the protrusion 24 will intermittently squeeze the unloading plate 19, and the unloading plate 19 will reciprocate with the third round rod 23 as the center of the circle, so that the concrete on the unloading plate 19 can be discharged quickly, and the gravel can be prevented from falling slowly, resulting in unsmooth unloading; Step 3: At this time, the knocking rod 16 knocks the material blocking plate 11, which will accelerate the discharge of concrete and prevent the concrete from sticking to the inside of the mixing box 1; Step 4: After the discharge is completed, the electric telescopic rod 2 extends downward, driving the support block 3 to descend, and the support block 3 drives the second round rod 21 and the slide bar 15 to slide downward in the first slide groove 9 and the second slide groove 10 respectively, and the second round rod 21 drives the extrusion rod 22 to squeeze the blanking plate 19. At this time, the blanking plate 19 rotates with the third round rod 23 as the center of the circle to close the discharge port, and then the lock buckle 101 is knocked to limit the blanking plate 19. At this time, the electric telescopic rod 2 rises a distance to prevent the protrusion 24 from squeezing the blanking plate 19 and causing damage when the concrete is mixed in the "first step".

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A construction concrete unloading device, comprising a mixing box (1), a baffle plate (11) and a drive assembly, wherein a discharge port is formed below the baffle plate (11) and the mixing box (1), a discharge plate (19) is rotatably mounted on the lower end surface of the discharge port, and a mixing mechanism connected to the drive assembly is mounted at the discharge port, for mixing concrete, characterized in that: Also includes: The discharge mechanism comprises a lifting assembly, a knocking assembly and an extrusion rod (22) abutting against the top of a discharge plate (19), wherein the outer wall of the extrusion rod (22) is provided with a protrusion (24); when discharging, the lifting assembly rises, the extrusion rod (22) does not squeeze the discharge plate (19), and the discharge plate (19) rotates to adjust the discharge amount of concrete in the mixing box (1); at the same time, the driving assembly drives the protrusion (24) to intermittently squeeze the discharge plate (19), so that the discharge plate (19) starts to swing axially, thereby quickly discharging concrete; The knocking assembly comprises a spring (13) and a knocking rod (16). When the driving assembly does not compress the spring (13), the spring (13) stretches to drive the knocking rod (16) to knock against the material blocking plate (11), thereby further accelerating the discharge of concrete.

2. A construction concrete unloading device according to claim 1, characterized in that: The driving assembly comprises a servo motor (8) mounted on the outer wall of the mixing box (1).

3. A construction concrete unloading device according to claim 2, characterized in that: The stirring assembly comprises a first round rod (18) rotatably mounted on the inner wall of the stirring box (1), and a plurality of stirring rods (17) are mounted on the outer wall of the first round rod (18).

4. A construction concrete unloading device according to claim 3, characterized in that: One side of the first round rod (18) passes through the mixing box (1) and is provided with a second pulley (6); the outer wall of the second pulley (6) is provided with a synchronous belt (5); the inner wall of the synchronous belt (5) is provided with an automatic tensioning wheel (7) and the first pulley (4).

5. A construction concrete unloading device according to claim 4, characterized in that: The automatic tensioning wheel (7) is mounted on the outer wall of the mixing box (1).

6. A construction concrete unloading device according to claim 4, characterized in that: A second round rod (21) is installed at the center of the first belt pulley (4), and the outer wall of the second round rod (21) is fixedly connected to the extrusion rod (22).

7. A construction concrete unloading device according to claim 6, characterized in that: An incomplete gear (20) is installed at the center of the second round rod (21), and the incomplete gear (20) is meshed with the knocking rod (16).

8. A construction concrete unloading device according to claim 1, characterized in that: The lifting assembly comprises an electric telescopic rod (2) symmetrically mounted on the outer wall of the mixing box (1), the output shaft of the electric telescopic rod (2) being mounted with a support block (3), and the support block (3) penetrating the mixing box (1) being mounted with a slide rod (15).

9. A construction concrete unloading device according to claim 8, characterized in that: A fixing frame (12) is installed on the side of the spring (13) away from the knocking rod (16), and the fixing frame (12) is installed on the outer wall of the sliding rod (15). A supporting plate (14) is slidably installed on the inner wall of the fixing frame (12), and one side of the supporting plate (14) passes through the sliding rod (15) and is fixedly connected to the knocking rod (16).

10. A construction concrete unloading device according to claim 1, characterized in that: A third round rod (23) is rotatably mounted on the outer wall of the blanking plate (19), and both ends of the third round rod (23) are mounted on the inner wall of the mixing box (1).

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