阅读说明：本技术 一种立式混凝土搅拌装置 (Vertical concrete mixing device ) 是由 范程 汤亮 李大扬 于 2020-05-26 设计创作，主要内容包括：本发明公开了一种立式混凝土搅拌装置,包括搅拌筒、输送筒、支撑杆、支撑板和底座,所述输送筒固定设置在所述支撑板顶部,所述搅拌筒位于所述输送筒上方,且所述搅拌筒通过支撑杆固定在所述支撑板顶部,所述搅拌筒底部开设有下料口,所述下料口底部与所述输送筒顶部相连通,所述搅拌筒内设置有搅拌装置,所述输送筒内设置有输送装置,所述输送筒一侧开设有出料口,所述支撑板下方设有底座。其能够去除沉积在搅拌筒内侧壁及底部的砂浆,充分搅拌混合原料,提高混凝土的质量,而且出料方便快捷。(The invention discloses a vertical concrete stirring device which comprises a stirring cylinder, a conveying cylinder, a supporting rod, a supporting plate and a base, wherein the conveying cylinder is fixedly arranged at the top of the supporting plate, the stirring cylinder is positioned above the conveying cylinder, the stirring cylinder is fixedly arranged at the top of the supporting plate through the supporting rod, a feed opening is formed in the bottom of the stirring cylinder, the bottom of the feed opening is communicated with the top of the conveying cylinder, the stirring device is arranged in the stirring cylinder, the conveying device is arranged in the conveying cylinder, a discharge opening is formed in one side of the conveying cylinder, and the base is arranged below the supporting plate. It can get rid of the mortar of deposit at churn inside wall and bottom, and intensive mixing mixes the raw materials, improves the quality of concrete, and ejection of compact convenient and fast moreover.)

1. A vertical concrete stirring device is characterized by comprising a stirring cylinder, a conveying cylinder, a supporting rod, a supporting plate and a base, wherein the conveying cylinder is fixedly arranged at the top of the supporting plate, the stirring cylinder is positioned above the conveying cylinder, the stirring cylinder is fixedly arranged at the top of the supporting plate through the supporting rod, a feed opening is formed in the bottom of the stirring cylinder, the bottom of the feed opening is communicated with the top of the conveying cylinder, the stirring device is arranged in the stirring cylinder, the conveying device is arranged in the conveying cylinder, a discharge opening is formed in one side of the conveying cylinder, and the base is arranged below the supporting plate;

the stirring device comprises a first driving part, a first rotating shaft, stirring assemblies, a U-shaped stirring rod and a scraper, wherein the first rotating shaft is arranged in the stirring cylinder along the axis direction, the first driving part can drive the first rotating shaft to rotate, the first rotating shaft is provided with a plurality of stirring assemblies from top to bottom, the U-shaped stirring rod is fixedly arranged at the bottom of the first rotating shaft, the transverse part and the vertical part of the U-shaped stirring rod are both provided with strip-shaped scrapers, and one end of each scraper is close to the inner side wall or the inner bottom wall of the stirring cylinder;

conveyor includes second driving piece, second axis of rotation and helical blade, the transport section of thick bamboo is kept away from outward the fixed second driving piece that is provided with in discharge gate one side, the second axis of rotation transversely sets up inside the transport section of thick bamboo, the fixed helical blade that is used for carrying the concrete to the discharge gate by the feed opening that is provided with in the second axis of rotation.

2. The vertical concrete mixing device according to claim 1, wherein a reinforcing rod is connected to the top of the U-shaped mixing rod, the middle of the reinforcing rod is fixedly arranged on the first rotating shaft, a scraper mounting seat is fixedly arranged on one side, facing the side wall of the mixing barrel, of the U-shaped mixing rod, and the scraper is detachably connected with the scraper mounting seat.

3. The vertical concrete mixing device according to claim 2, wherein the scraper mounting base is provided with a first threaded hole, the first threaded hole is a waist-shaped hole arranged along the horizontal direction, the corresponding position of the scraper is provided with a second threaded hole, and the scraper is fixed on the scraper mounting base through a bolt which sequentially passes through the first threaded hole and the second threaded hole.

4. The vertical concrete mixing device according to claim 1, wherein the mixing assembly comprises a mixing blade and a mixing blade fixing frame, the mixing blade fixing frame is fixed on the first rotating shaft, and the mixing blade is fixedly arranged at the upper end and the lower end of the mixing blade fixing frame.

5. The vertical concrete mixing device according to claim 4, wherein the mixing blade is of an arc-shaped plate structure, the middle part of the mixing blade is fixed on the first rotating shaft, and two ends of the mixing blade are respectively and fixedly connected with two ends of the mixing blade fixing frame.

6. The vertical concrete mixing device according to claim 4 or 5, wherein the angle formed between the stirring paddle fixing frames in two adjacent stirring assemblies is 60 degrees.

7. The vertical concrete mixing device according to claim 1, wherein a damping groove is formed in the top of the base, the support plate is located in the damping groove, sliding grooves are formed in side walls of two opposite sides of the damping groove and are vertically arranged, two sides of the support plate are respectively slidably arranged in the sliding grooves through first sliding blocks, and a plurality of damping devices are arranged between the bottom of the support plate and the bottom of the damping groove.

8. The vertical concrete mixing device according to claim 7, wherein the damping device comprises a fixed block, an adjusting rod, a second slider, a sliding cross rod, limiting blocks and elastic pieces, the fixed block is fixedly arranged at the bottom of the supporting plate, two ends of the sliding cross rod are respectively fixedly arranged at the bottom of the damping groove through the limiting blocks, two sides of the bottom of the fixed block are respectively and movably connected with the adjusting rod, the bottom of the adjusting rod is connected with the sliding cross rod in a sliding manner through the second slider, and the elastic pieces are arranged between the second slider and the limiting blocks which are close to the second slider.

Technical Field

The invention relates to the technical field of construction equipment, in particular to a vertical concrete stirring device.

Background

Concrete is a common building construction material, is formed by mixing cement, gravel aggregate and water, and needs to be stirred by a stirring device to uniformly mix all components in the concrete. The mixing drum can be divided into a vertical concrete mixing device and a horizontal concrete mixing device according to the structural form of the mixing drum. The stirring rod of the horizontal concrete stirring device rotates around the stirring shaft parallel to the horizontal plane, and the stirring rod can be continuously exposed out of the air in the stirring mode, so that the air is inevitably brought into the concrete mortar, and the quality of concrete stirring is reduced. The stirring rod of the vertical concrete stirring device vertically extends into the concrete mortar and rotates around the vertical rotating shaft, and the stirring rod of the stirring device is always immersed into the mortar in the stirring process, so that air cannot be brought into the mortar in the stirring process. Due to the above advantages, the use occasions of the vertical concrete mixing device are gradually increased.

However, in the use process of the existing vertical concrete stirring device, due to the viscosity and gravity action of the concrete mortar, the concrete mortar is easy to adhere to the inner side wall and the bottom surface of the stirring cylinder, so that the stirring effect of the concrete is influenced, and meanwhile, the waste of concrete raw materials is also caused; after the stirring is finished, the viscosity of the concrete is high, the discharging is inconvenient, and the working efficiency of stirring equipment is influenced; in addition, the existing stirring device has the problems that the vibration amplitude is large in the stirring process, the machine body shakes and generates noise, equipment is easily damaged due to long-time vibration, and the stirring quality and effect are affected.

Disclosure of Invention

In order to solve the problems in the background art, the invention provides a vertical concrete stirring device which can remove mortar deposited on the inner side wall and the bottom of a stirring cylinder, fully stir and mix raw materials, improve the quality of concrete, facilitate and quickly discharge materials, effectively damp the stirring device, weaken noise and ensure the service life of equipment.

In order to achieve the purpose, the invention adopts the following technical scheme:

the invention provides a vertical concrete stirring device which comprises a stirring cylinder, a conveying cylinder, a supporting rod, a supporting plate and a base, wherein the conveying cylinder is fixedly arranged at the top of the supporting plate, the stirring cylinder is positioned above the conveying cylinder, the stirring cylinder is fixedly arranged at the top of the supporting plate through the supporting rod, the bottom of the stirring cylinder is provided with a feed opening, the bottom of the feed opening is communicated with the top of the conveying cylinder, the stirring device is arranged in the stirring cylinder, the conveying device is arranged in the conveying cylinder, one side of the conveying cylinder is provided with a discharge opening, and the base is arranged below the supporting plate;

the stirring device comprises a first driving part, a first rotating shaft, stirring assemblies, a U-shaped stirring rod and a scraper, wherein the first rotating shaft is arranged in the stirring cylinder along the axis direction, the first driving part can drive the first rotating shaft to rotate, the first rotating shaft is provided with a plurality of stirring assemblies from top to bottom, the U-shaped stirring rod is fixedly arranged at the bottom of the first rotating shaft, the transverse part and the vertical part of the U-shaped stirring rod are both provided with strip-shaped scrapers, and one end of each scraper is close to the inner side wall or the inner bottom wall of the stirring cylinder;

conveyor includes second driving piece, second axis of rotation and helical blade, the transport section of thick bamboo is kept away from outward the fixed second driving piece that is provided with in discharge gate one side, the second axis of rotation transversely sets up inside the transport section of thick bamboo, the fixed helical blade that is used for carrying the concrete to the discharge gate by the feed opening that is provided with in the second axis of rotation.

The improved stirring device is characterized in that a reinforcing rod is connected to the top of the U-shaped stirring rod, the middle of the reinforcing rod is fixedly arranged on the first rotating shaft, the U-shaped stirring rod faces towards one side of the side wall of the stirring barrel, a scraper mounting seat is fixedly arranged on one side of the side wall of the stirring barrel, and the scraper is detachably connected with the scraper mounting seat. Can consolidate the processing to U type puddler through setting up the stiffener, avoid U type puddler to take place to rock, the scratch takes place for the churn inner wall for the scraper blade, because the scraper blade belongs to easy wearing and tearing part, through setting up the scraper blade mount pad, can conveniently change the scraper blade of wearing and tearing with scraper blade mount pad being connected, keeps its scraping effect.

The improved structure of the scraper is characterized in that a first threaded hole is formed in the scraper mounting seat, the first threaded hole is a waist-shaped hole arranged along the horizontal direction, a second threaded hole is formed in the corresponding position of the scraper, and the scraper is fixed on the scraper mounting seat through bolts sequentially passing through the first threaded hole and the second threaded hole. Through setting up, scraper blade and scraper blade mount pad pass through bolted construction and can dismantle the connection, and installation and dismantlement process convenient and fast more, and the cost is lower, simultaneously, sets up first screw hole into waist type hole, can adjust the distance between scraper blade and the churn inside wall according to the wearing and tearing condition of scraper blade, has reduced the change frequency of scraper blade, has improved the utilization ratio of scraper blade.

The improved stirring assembly comprises a stirring blade and a stirring blade fixing frame, wherein the stirring blade fixing frame is fixed on the first rotating shaft, and the upper end and the lower end of the stirring blade fixing frame are fixedly provided with the stirring blade.

The improved structure is characterized in that the stirring blade is of an arc-shaped plate structure, the middle of the stirring blade is fixed on the first rotating shaft, and two ends of the stirring blade are respectively fixedly connected with two ends of the stirring blade fixing frame.

In a further improvement, the angle formed between the stirring blade fixing frames in two adjacent stirring assemblies is 60 degrees.

Through setting up the stirring subassembly for it is more even to the stirring of concrete, shortens the churning time, improves stirring efficiency.

The improved structure is characterized in that a damping groove is formed in the top of the base, the supporting plate is located in the damping groove, sliding grooves are formed in the side walls of the two opposite sides of the damping groove and are arranged in the vertical direction, the two sides of the supporting plate are arranged in the sliding grooves in a sliding mode through first sliding blocks respectively, and a plurality of damping devices are arranged between the bottom of the supporting plate and the bottom of the damping groove. Under the effect of damping device, the backup pad can reciprocate in the shock attenuation inslot and carry out the shock attenuation buffering, through the mating reaction of spout and first slider, can reciprocate the process to the backup pad and lead for churn and the conveying cylinder in the backup pad can not take place to rock, and the operation in-process is more steady.

The improved damping device comprises a fixed block, an adjusting rod, a second slider, a sliding cross rod, a limiting block and an elastic piece, wherein the fixed block is fixedly arranged at the bottom of the supporting plate, two ends of the sliding cross rod are fixedly arranged at the bottom of the damping groove through the limiting block respectively, two sides of the bottom of the fixed block are movably connected with the adjusting rod respectively, the bottom of the adjusting rod is connected with the sliding cross rod in a sliding mode through the second slider, and the elastic piece is arranged between the second slider and the limiting block close to the second slider. When the vibration damping device is used, vibration generated in the operation process of the mixing drum and the conveying drum is transmitted to the fixed block through the supporting plate, transmitted to the adjusting rod through the fixed block, transmitted to the elastic piece through the adjusting rod and driven to slide along the sliding cross rod, and therefore the vibration damping and buffering effect is achieved.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the U-shaped stirring rod is arranged at the bottom of the first stirring shaft in the stirring cylinder, and the strip-shaped scrapers are arranged at the transverse part and the vertical part of the U-shaped stirring rod, so that concrete attached to the inner side wall and the bottom of the stirring cylinder can be effectively removed, the raw materials are mixed more uniformly, and the quality of the concrete is improved; the conveying cylinder is communicated with the bottom of the stirring cylinder, so that the concrete after stirring and mixing in the stirring cylinder enters the conveying cylinder, the concrete can be conveniently and quickly conveyed to the discharge hole under the action of the conveying device, and meanwhile, the concrete can be stirred and mixed again, so that the mixing effect of the concrete is fully ensured; a plurality of damping devices are arranged between the bottom of the supporting plate and the bottom of the damping groove in the base, so that vibration generated in the operation process of the equipment can be buffered.

Drawings

The invention is described in further detail below with reference to specific embodiments and with reference to the following drawings.

FIG. 1 is a schematic view showing the overall structure of a vertical concrete mixing apparatus according to the present invention;

FIG. 2 is a schematic view showing the internal structure of the vertical concrete mixing apparatus according to the present invention;

FIG. 3 is a schematic view of the stirring assembly according to the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 2;

FIG. 5 is a schematic view of the structure at the base of the present invention;

FIG. 6 is a schematic view of the shock absorber according to the present invention;

wherein, the specific reference numbers are: the stirring device comprises a stirring cylinder 1, a first driving piece 2, a first rotating shaft 3, a stirring assembly 4, a stirring paddle 5, a stirring paddle fixing frame 6, a U-shaped stirring rod 7, a reinforcing rod 8, a scraping plate 9, a scraping plate mounting seat 10, a first threaded hole 11, a bolt 12, a discharging opening 13, a conveying cylinder 14, a second driving piece 15, a second rotating shaft 16, a spiral blade 17, a discharging opening 18, a supporting plate 19, a base 20, a damping groove 21, a sliding groove 22, a first sliding block 23, a damping device 24, a fixing block 25, an adjusting rod 26, a second sliding block 27, a sliding cross rod 28, a limiting block 29, an elastic piece 30 and a sound-proof cover 31.

Detailed Description

The embodiment of the invention discloses a vertical concrete stirring device, as shown in figures 1 to 4, the vertical concrete stirring device comprises a stirring cylinder 1, a conveying cylinder 14, a support rod, a support plate 19 and a base 20, wherein the conveying cylinder 14 is fixedly arranged at the top of the support plate 19, the stirring cylinder 1 is positioned above the conveying cylinder 14, the stirring cylinder 1 is fixedly arranged at the top of the support plate 19 through the support rod, the bottom of the stirring cylinder 1 is provided with a feed opening 13, the bottom of the feed opening 13 is communicated with the top of the conveying cylinder 14, a stirring device is arranged in the stirring cylinder 1, the conveying cylinder 14 is internally provided with the conveying device, one side of the conveying cylinder 14 is provided with a feed opening 18, the base 20 is arranged below the support plate 19, the stirring device comprises a first driving part 2, a first rotating shaft 3, a stirring assembly 4, a U-shaped stirring rod 7 and a scraping plate 9, the first rotating shaft 3 is arranged in the stirring cylinder 1 along the axial direction, the first driving part 2 can drive the first rotating shaft 3 to rotate, a plurality of stirring assemblies 4 are arranged on the first rotating shaft 3 from top to bottom, the U-shaped stirring rod 7 is fixedly arranged at the bottom of the first rotating shaft 3, strip-shaped scrapers 9 are arranged on the transverse part and the vertical part of the U-shaped stirring rod 7, one end of each scraper 9 is close to the inner side wall or the inner bottom wall of the stirring drum 1, a certain gap is reserved between each scraper 9 and the inner wall of the stirring drum 1 in the embodiment, the scraped concrete can flow out conveniently, the concrete is prevented from being accumulated between each scraper 9 and the inner wall of the stirring drum 1, the resistance of each scraper 9 is reduced, and further the abrasion of each scraper 9 is slowed down; the conveying device comprises a second driving piece 15, a second rotating shaft 16 and spiral blades 17, the second driving piece 15 is fixedly arranged on one side, far away from the discharge port 18, of the outside of the conveying cylinder 14, the second rotating shaft 16 is transversely arranged inside the conveying cylinder 14, the spiral blades 17 used for conveying concrete to the discharge port 18 from the discharge port 13 are fixedly arranged on the second rotating shaft 16, driving motors can be selected for the first driving piece 2 and the second driving piece 15, or the driving motors and the speed reducer are combined, and in order to reduce noise generated during operation of the driving motors, sound insulation covers 31 are arranged on the outer sides of the first driving piece 2 and the second driving piece 15. The U-shaped stirring rod 7 is arranged at the bottom of the first stirring shaft in the stirring cylinder 1, and the long-strip-shaped scraping plates 9 are arranged at the transverse part and the vertical part of the U-shaped stirring rod 7, so that concrete attached to the inner side wall and the bottom of the stirring cylinder 1 can be effectively removed, raw materials are mixed more uniformly, and the quality of the concrete is improved; through set up conveying cylinder 14 in 1 bottom intercommunication of churn, concrete after the stirring mixes in churn 1 enters into conveying cylinder 14, can convenient and fast carry the concrete to discharge gate 18 under conveyor's effect, also can stir the mixture once more to the concrete simultaneously, has fully guaranteed the mixed effect of concrete.

Wherein, 7 top connections of U type puddler are equipped with stiffener 8, and 8 middle parts of stiffener are fixed to be set up on first axis of rotation 3, and U type puddler 7 is fixed towards agitator lateral wall one side and is equipped with scraper blade mount pad 10, and scraper blade 9 can be dismantled with scraper blade mount pad 10 and be connected. Can consolidate treatment to U type puddler 7 through setting up stiffener 8, avoid U type puddler 7 to take place to rock, scraper blade 9 takes place the scratch to 1 inner wall of churn, because scraper blade 9 belongs to easy wearing and tearing part, through setting up scraper blade mount pad 10, can conveniently change the scraper blade 9 of wearing and tearing with scraper blade mount pad 10 can dismantle the connection, keeps its scraping effect. In this embodiment, first screw hole 11 has been seted up on scraper blade mount pad 10, first screw hole 11 is the waist type hole that sets up along the horizontal direction, second screw hole has been seted up to the last corresponding department of scraper blade 9, loop through first screw hole 11 and second screw hole through bolt 12 and fix scraper blade 9 on scraper blade mount pad 10, through setting up, scraper blade 9 and scraper blade mount pad 10 can dismantle the connection through bolt 12 structure, installation and dismantlement process convenient and fast more, and the cost is lower, simultaneously, set up first screw hole 11 into waist type hole, can be according to the wearing and tearing condition of scraper blade 9, adjust the distance between scraper blade 9 and the 1 inside wall of churn, the change frequency of scraper blade 9 has been reduced, the utilization ratio of scraper blade 9 has been improved.

Wherein, stirring subassembly 4 includes stirring paddle 5 and stirring rake mount 6, and stirring rake mount 6 is fixed on first axis of rotation 3, and 6 upper ends of stirring rake mount and lower extreme all are fixed and are provided with stirring paddle 5. In this embodiment, the stirring paddle 5 is an arc-shaped plate structure, the middle of the stirring paddle 5 is fixed on the first rotating shaft 3, two ends of the stirring paddle 5 are respectively and fixedly connected with two ends of the stirring paddle fixing frame 6, and preferably, an angle formed between the stirring paddle fixing frames 6 in two adjacent stirring assemblies 4 is 60 degrees. Through setting up stirring subassembly 4 for it is more even to the stirring of concrete, shortens the churning time, improves stirring efficiency.

Wherein, as shown in fig. 5, damping groove 21 has been seted up at base 20 top, and backup pad 19 is located damping groove 21, all sets up the spout 22 that sets up along vertical direction on the lateral wall of the relative both sides of damping groove 21, and backup pad 19 both sides slide through first slider 23 respectively and set up in spout 22, are equipped with a plurality of damping device 24 between the bottom in backup pad 19 bottom and the damping groove 21. Under the effect of damping device 24, backup pad 19 can reciprocate in damping chute 21 and carry out the shock attenuation buffering, through the mating reaction of spout 22 and first slider 23, can lead to backup pad 19 process of reciprocating for churn 1 and the transport cylinder 14 in the backup pad 19 can not take place to rock, and the operation in-process is more steady.

Wherein, as shown in fig. 6, the damping device 24 includes a fixing block 25, an adjusting rod 26, a second slider 27, a sliding cross rod 28, a limiting block 29 and an elastic member 30, the fixing block 25 is fixedly disposed at the bottom of the supporting plate 19, two ends of the sliding cross rod 28 are respectively fixedly disposed at the bottom of the damping groove 21 through the limiting block 29, two sides of the bottom of the fixing block 25 are respectively movably connected with the adjusting rod 26, the bottom of the adjusting rod 26 is slidably connected with the sliding cross rod 28 through the second slider 27, and the elastic member 30 is disposed between the second slider 27 and the limiting block 29 which is close to the second slider 27. When the vibration damping device is used, vibration generated in the operation process of the mixing drum 1 and the conveying drum 14 is transmitted to the fixed block 25 through the supporting plate 19, transmitted to the adjusting rod 26 through the fixed block 25, transmitted to the elastic piece 30 through the adjusting rod 26 and driven to slide along the sliding cross rod 28 by the second sliding block 27, so that the vibration damping effect is achieved.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.