CN209954997U

CN209954997U - Mixed stirring and packaging system for UHPC material

Info

Publication number: CN209954997U
Application number: CN201920343784.6U
Authority: CN
Inventors: 张广平; 王慧斌; 崔通; 施敏; 江胜文; 宁超雄; 王文锋; 谭小聪; 刘泽华; 黄旺胜; 李金帝; 翁丽萍
Original assignee: Guangdong Changda Highway Engineering Co Ltd
Current assignee: Guangdong Changda Highway Engineering Co Ltd
Priority date: 2019-03-18
Filing date: 2019-03-18
Publication date: 2020-01-17
Anticipated expiration: 2029-03-18

Abstract

The utility model discloses a UHPC material mixes stirring baling system, wherein, including mixing rabbling mechanism, mixing the UHPC material dosing unit that rabbling mechanism upper portion side was connected, mixing rabbling mechanism upper portion and installing the steel fibre dispersion devices who breaks up the steel fibre material, and be equipped with material baling device and running roller conveying mechanism below mixing the rabbling mechanism. The utility model discloses have and can realize the mixed production process automation of UHPC material, improve the efficiency and improve the effect of construction environment.

Description

Mixed stirring and packaging system for UHPC material

Technical Field

The utility model belongs to building material processing field, in particular to UHPC material mixes stirring packaging system.

Background

The steel fiber is used as a composite material, can effectively hinder the expansion of concrete cracks and the formation of the cracks, can obviously improve the tensile, bending, impact and fatigue resistance of the concrete, has better ductility, and is widely applied to the field of high-performance concrete such as UHPC (ultra high performance concrete), but the problems of agglomeration, low manual scattering effect and poor effect easily occur in the using process of the existing steel fiber, and the mixing uniformity and yield in the concrete are influenced. In addition, the UHPC ultra-high performance concrete is widely applied to the engineering field and has excellent abrasion resistance and anti-explosion performance; the material specification and variety of the composition of the mixing proportion are more, and the general mixing equipment batching system can not meet the use requirement. At present, the mixing and stirring of ultra-high performance concrete (UHPC for short) materials in the market are mainly carried out by adopting a manual blending mode. Manpower and material resources are wasted in the material carrying and allocating process, the manual allocation mode is low in efficiency, and the operation environment is severe; in addition, the precision of the proportion of the material is difficult to control.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model aims at providing a UHPC material mixes stirring baling system to UHPC material hybrid production process automation, improvement efficiency and improvement construction environment.

For realize above-mentioned purpose, the utility model provides a pair of UHPC material mixes stirring baling system, wherein, including mixing rabbling mechanism, mixing the UHPC material dosing unit that rabbling mechanism upper portion side was connected, mixing rabbling mechanism upper portion and installing the steel fibre dispersion devices who breaks up the steel fibre material, and be equipped with material baling device and running roller conveying mechanism in mixing the rabbling mechanism below.

In some embodiments, the mixing device further comprises a ton bag for containing the mixed material at the outlet of the mixing and stirring mechanism, and the ton bag is hung on a hook arranged at the outlet of the mixing and stirring mechanism.

In some embodiments, the UHPC material dosing unit comprises a support, a weighing sensor arranged between the support and the ground, a dosing bin arranged on the support, a plurality of raw material hoppers distributed around the dosing bin, a spiral conveyor communicated with a discharging position at the bottom of the raw material hoppers and extending into the dosing bin, and a lifting machine connected with the spiral conveyor. A stirrer for stirring materials is arranged in the proportioning bin, and a controller connected with the weighing sensor and the screw conveyor is arranged outside the support.

In some embodiments, the screw conveyor comprises a helical blade arranged at the discharging position at the bottom of the raw material hopper, a belt pulley arranged on a helical blade shaft, a conveying pipe with one end connected with the discharging port of the raw material hopper and the other end extending to the top of the proportioning bin, a flexible connection arranged between the conveying pipe and the screw conveyor, and a first motor arranged on the driving wheel. The discharge position of proportioning bins bottom is provided with row material pipe.

In some embodiments, the steel fiber dispersing device includes a primary scattering mechanism, a conveyor belt provided on the primary scattering mechanism in an oblique upward direction, a secondary scattering mechanism provided on the conveyor belt, a tertiary scattering mechanism provided on an end portion of the conveyor belt in an oblique upward direction, and a hopper provided below the tertiary scattering mechanism. The primary scattering mechanism comprises a first support frame arranged at the end part below the conveying belt, a first cushion pad fixedly connected to the top end of the first support frame, a second support frame arranged on the first cushion pad, a second cushion pad fixedly connected to the bottom end of the second support frame and in contact with the first cushion pad, a vibrating hopper with the bottom corresponding to the conveying belt and a first screen arranged on the inner section of the vibrating hopper are arranged on the second support frame, and a vibrator for driving the second support frame to drive the vibrating hopper to vibrate within the contact range of the first cushion pad and the second cushion pad is arranged on the second support frame; and the steel fiber material which is agglomerated and needs to be broken up is placed on the first screen. The secondary scattering mechanism comprises elastic surrounding edges which are respectively arranged at two sides of the conveying belt, and a plurality of partition plates which are equally spaced are arranged between the elastic surrounding edges at the two sides; the height of the elastic surrounding edge is higher than that of the partition board. The tertiary mechanism of breaing up includes the mount that is equipped with on the hopper, be equipped with on the mount that corresponds the conveyer belt below and catch the second screen cloth of breaking up the steel fiber material through the secondary, the movable support connecting piece that is equipped with respectively on four angles of mount, be connected with the movable connecting rod who is connected with the movable support connecting piece at both ends in mount both sides, and be equipped with the eccentric core power structure that the drive mount drove screen material around the second screen cloth in mount one side, the hopper sets up in the below of second screen cloth.

In some embodiments, the eccentric power structure includes a side frame disposed at one side of the fixed frame, a large belt pulley and a small belt pulley disposed on the side frame, a belt connected between the large belt pulley and the small belt pulley, a second motor disposed on the side frame and connected to a shaft core of the small belt pulley, an eccentric disc disposed on the side frame and having an eccentric connection position connected to the shaft core of the large belt pulley, a cross bar disposed on the side frame at the same side of the eccentric disc and fixedly connected to the fixed frame, and an eccentric crank having one end movably connected to the eccentric disc and the other end movably connected to the cross bar. The eccentric crank pulls the fixing frame back and forth to drive the second screen to screen materials back and forth under the action of the eccentric disc.

In some embodiments, the first screen is disposed diagonally downward within the vibratory hopper.

In some embodiments, the elastic perimeter is an S-shaped elastic perimeter; the protective cover for preventing the steel fiber materials from flying out is arranged at the top end of the conveying belt. The protective cover is fixed on the fixing frame.

In some embodiments, the proportioning bin and the mixing and stirring mechanism are respectively connected with a dust collecting pipe; the dust collecting pipe is connected with a bag-type dust collector.

The beneficial effects of the utility model are that have automatic mixing stirring, and pack, and improve construction environment's effect. The method comprises the following specific steps: (1) because the blending of the mixed material and the dispersion of the steel fiber material are automatically completed and then are conveyed into the mixing and stirring mechanism, the mixed material and the steel fiber material can be conveyed after being fully mixed, and finally are loaded into a ton bag and transported through the roller conveying mechanism. The whole process realizes the purposes of automatic mixing, stirring and packaging. (2) The cloth bag dust collector that the dust collecting pipe of the connection in proportioning bins and the mixing stirring mechanism connects avoids the dust to workman's injury, has improved the environment of construction.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the primary breaking mechanism and the secondary breaking mechanism shown in FIG. 1;

FIG. 3 is a schematic structural view of the three-stage breaking mechanism shown in FIG. 1;

FIG. 4 is a schematic structural view of the core-shifting power structure shown in FIG. 1;

FIG. 5 is a schematic view of the dispensing bin of FIG. 1;

FIG. 6 is a schematic structural view of the stent shown in FIG. 1;

FIG. 7 is a schematic view of the screw conveyor shown in FIG. 1;

fig. 8 is a schematic structural view of the ton bag and roller conveying mechanism of the present invention.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-8, a UHPC material mixing, stirring and packaging system comprises a mixing and stirring mechanism 01, a UHPC material batching device 02 connected to the side of the upper part of the mixing and stirring mechanism 01, a steel fiber dispersing device 03 arranged on the upper part of the mixing and stirring mechanism 01 for dispersing steel fiber materials, and a material packaging device and a roller conveying mechanism 04 arranged below the mixing and stirring mechanism 01. The mixing and stirring device further comprises a ton bag 05 for containing the mixed materials, which is arranged at the outlet of the mixing and stirring mechanism 01, and the ton bag 05 is hung on a hook 06 arranged at the outlet of the mixing and stirring mechanism 01.

The UHPC material batching device 02 comprises a support 21, a weighing sensor 22 arranged between the support 21 and the ground, a batching bin 23 arranged on the support 21, a plurality of raw material hoppers 24 distributed around the batching bin 23, a spiral conveyor 26 communicated with the discharging position at the bottom of the raw material hoppers 24 and extending into the batching bin, and a lifter connected with the spiral conveyor 26. A stirrer for stirring materials is arranged in the proportioning bin 23. The controller 29 connected to the load cell 22 and the screw conveyor 26 is provided outside the bracket 21. The screw conveyor 26 comprises a screw blade arranged at the discharging position at the bottom of the raw material hopper 24, a belt pulley 262 arranged on a screw blade shaft, a conveying pipe 25 with one end connected with the screw blade and the other end extending into the batching bin 23 for conveying the top of the material bin, a flexible connection arranged between the conveying pipe and the screw conveyor, and a first motor 261 arranged on a driving wheel 263. The discharge position at the bottom of the proportioning bin 23 is provided with a discharge pipe 27. The steel fiber dispersing device 03 comprises a first-stage scattering mechanism 31, a conveyor belt 32 arranged on the first-stage scattering mechanism 31 in an inclined mode, a second-stage scattering mechanism 33 arranged on the conveyor belt 32, a third-stage scattering mechanism 34 arranged on the end portion of the conveyor belt 32 in the inclined mode, and a hopper 35 arranged below the third-stage scattering mechanism 34. The primary scattering mechanism 31 includes a first support frame 311 arranged at the end part below the conveyor belt 32, a first buffer pad 312 fixedly connected to the top end of the first support frame 311, a second support frame 313 arranged on the first buffer pad 312, a second buffer pad 314 fixedly connected to the bottom end of the second support frame 313 and contacting with the first buffer pad 312, a vibrating bucket 315 arranged on the second support frame 313 and having a bottom corresponding to the conveyor belt 32, and a first screen 316 arranged on the vibrating bucket 315 and having an inner cross section, and a vibrator 317 arranged on the second support frame 313 and driving the second support frame 313 to drive the vibrating bucket 315 to vibrate within the contact range of the first buffer pad 312 and the second buffer pad 314. The first screen 316 has placed thereon a steel fiber mass that is agglomerated and to be broken up. The secondary scattering mechanism 33 comprises elastic surrounding edges 331 respectively arranged at two sides of the conveyer belt 32, and a plurality of partition plates 332 at equal intervals are arranged between the elastic surrounding edges 331 at two sides; the height of the elastic surrounding edge 331 is higher than that of the partition 332. The third-stage scattering mechanism 34 includes a fixed frame 341 disposed on the hopper 35, a second screen 342 disposed below the corresponding conveyor belt 32 and used for receiving the secondarily scattered steel fiber material, movable support connectors 343 disposed at four corners of the fixed frame 341, movable connecting rods 344 connected to the movable support connectors 343 at two ends and connected to two sides of the fixed frame 341, and an eccentric power structure 345 disposed on one side of the fixed frame 341 and used for driving the fixed frame 341 to drive the second screen 342 to sieve the material before and after the second screen 342, wherein the hopper 35 is disposed below the second screen 342. The eccentric power structure 345 comprises a side frame 346 arranged at one side of a fixed frame 341, a large belt pulley and a small belt pulley arranged on the side frame 346, a belt 347 connected between the large belt pulley and the small belt pulley, a second motor 347 connected with a shaft core of the small belt pulley arranged on the side frame 346, an eccentric disc 348 arranged on the side frame 346 and having an eccentric connection position connected with the shaft core of the large belt pulley, a cross rod 349 fixedly connected with the fixed frame 341 arranged on the side frame 346 at the same side of the eccentric disc 348, and an eccentric crank 350 with one end movably connected with the eccentric disc 348 and the other end movably connected with the cross rod 349. The eccentric crank 350 pulls the fixing frame 341 forward and backward to drive the second screen 342 to screen material forward and backward under the action of the eccentric disc 348. The first screen 316 is disposed in the vibrating bucket 315 obliquely downward. The elastic skirt 331 is an S-shaped elastic skirt. The top end of the conveying belt 32 is provided with a protective cover 07 for preventing the steel fiber materials from flying out. The protective cover 07 is fixed to the fixing frame 341. The proportioning bin 23 and the mixing and stirring mechanism 01 are respectively connected with a dust collecting pipe 08. The dust collecting pipe 08 is connected with a bag-type dust collector.

In the application of the UHPC material batching device, 8 raw material hoppers 24 are arranged around a batching bin 23, the weighing sensors 22 of a bracket 21 and screw conveyors 26 on the 8 raw material hoppers are respectively connected with a controller 29, and the controller 29 controls the screw conveyors 26 according to set values. The controller 29 can set 8 groups of values which respectively correspond to the 8 screw conveyors 26, and the first screw conveyor stops rotating for feeding when the value fed back from the weighing sensor 22 by the adding amount of the material in the first raw material hopper is close to or equal to the first value preset by the controller 29 in an accumulation metering mode; the second raw material hopper starts to automatically add materials until the second raw material hopper is close to or equal to a second set numerical value, and the second screw conveyor stops rotating for feeding materials when the controller displays that the value of the proportioning bin 23 is close to or equal to the second set numerical value according to information fed back by the weighing sensor; the third raw material hopper starts to supplement the feeding, and the like; the raw materials in the following raw material hoppers can be supplemented to the proportioning bins one by one for proportion proportioning. Thus, the automatic raw material hopper 24 is realized, the material blending efficiency is improved, and the purposes of easy control of precision are achieved.

In the application of the steel fiber dispersing device 03, after a bag of steel fiber materials is poured onto the first screen 316 of the vibration hopper 315, the vibration hopper 315 is driven to vibrate by the vibrator 317, meanwhile, the first screen 316 is driven to vibrate and disperse the steel fiber materials in a conglomerated state, the steel fiber materials after being screened are discharged from the outlet of the vibration hopper 315 and fall onto the partition plate 332 of the conveying belt 32, and the first steel fiber material dispersing is completed. In the process of conveying the steel fiber material in the range of the partition plate 332 from bottom to top, the steel fiber material at the side edge of the partition plate 332 is subjected to the vibration conveying process, and can fall onto the next partition plate 332 layer by layer, so that the second steel fiber dispersion can be completed. In order to ensure that the steel fiber material can be more fully and effectively mixed with other materials, a core-shifting power structure 345 for driving the second screen 342 to reciprocate back and forth is arranged at the top end of the conveyer belt 32 from bottom to top, so as to further scatter the steel fiber material and then fall onto the second screen 342, thus completing the third steel fiber scattering. The steel fiber material after three times of dispersion falls into the hopper to ensure the full and effective mixing with other materials.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The UHPC material mixing, stirring and packaging system is characterized by comprising a mixing and stirring mechanism, a UHPC material batching device arranged on the side surface of the upper part of the mixing and stirring mechanism, a steel fiber dispersing device arranged on the upper part of the mixing and stirring mechanism and used for scattering steel fiber materials, and a material packaging device and a roller conveying mechanism arranged below the mixing and stirring mechanism.

2. A UHPC material mixing, blending and bagging system as in claim 1 further comprising a ton bag containing the blended material at the outlet of the mixing and bagging mechanism; the ton bag is hung on a hook arranged at the outlet of the mixing and stirring mechanism.

3. The UHPC material mixing, stirring and packaging system of claim 2, wherein the UHPC material batching device comprises a bracket, a weighing sensor arranged between the bracket and the ground, a batching bin arranged on the bracket, a plurality of raw material hoppers distributed around the batching bin, a spiral conveyor which extends into the batching bin and a lifter connected with the spiral conveyor, wherein the spiral conveyor is communicated with a discharging position at the bottom of the raw material hopper;

a stirrer for stirring materials is arranged in the proportioning bin;

and a controller connected with the weighing sensor and the screw conveyor is arranged outside the support.

4. The UHPC material mixing, stirring and packaging system of claim 3, wherein the screw conveyor comprises a screw blade arranged at the discharging position at the bottom of the raw material hopper, a belt pulley arranged on a screw blade shaft, a conveying pipe with one end connected with the discharging port of the raw material hopper and the other end extending to the top of the proportioning bin, a flexible connection is arranged between the conveying pipe and the screw conveyor, and a first motor arranged on a driving wheel;

the discharge position of proportioning bins bottom be provided with row material pipe.

5. The UHPC material mixing, stirring and packaging system of claim 2, wherein the steel fiber dispersing device comprises a primary scattering mechanism, a conveying belt which is arranged on the primary scattering mechanism and inclines upwards, a secondary scattering mechanism which is arranged on the conveying belt, a tertiary scattering mechanism which is arranged on the inclined and upwards end part of the conveying belt, and a hopper which is arranged below the tertiary scattering mechanism;

the primary scattering mechanism comprises a first support frame arranged at the end part below the conveying belt, a first cushion pad fixedly connected to the top end of the first support frame, a second support frame arranged on the first cushion pad, a second cushion pad fixedly connected to the bottom end of the second support frame and in contact with the first cushion pad, a vibrating hopper arranged on the second support frame and having the bottom corresponding to the conveying belt, a first screen arranged on the inner section of the vibrating hopper, and a vibrator arranged on the second support frame and driving the second support frame to drive the vibrating hopper to vibrate within the contact range of the first cushion pad and the second cushion pad; the steel fiber material which is agglomerated and is to be broken up is placed on the first screen;

the two-stage scattering mechanism comprises elastic surrounding edges which are respectively arranged at two sides of the conveying belt, and a plurality of partition plates which are arranged at equal intervals are arranged between the elastic surrounding edges at the two sides; the height of the elastic surrounding edge is higher than that of the partition board;

the three-stage scattering mechanism comprises a fixed frame arranged on the hopper, a second screen for receiving the secondarily scattered steel fiber materials is arranged on the fixed frame corresponding to the lower part of the conveying belt, movable supporting connecting pieces are respectively arranged at four corners of the fixed frame, movable connecting rods connected with the movable supporting connecting pieces at two ends are connected to two sides of the fixed frame, and a core deviation power structure for driving the fixed frame to drive the second screen to sieve materials in front of and behind the fixed frame is arranged on one side of the fixed frame; the hopper is arranged below the second screen.

6. The mixing, stirring and packaging system for the UHPC material according to claim 5, wherein the eccentric power structure comprises a side frame arranged at one side of a fixed frame, a large belt pulley and a small belt pulley which are arranged on the side frame, a belt connected between the large belt pulley and the small belt pulley, a second motor connected with a shaft core of the small belt pulley and arranged on the side frame, an eccentric disc arranged on the side frame and connected with the shaft core of the large belt pulley at the eccentric connecting position, a cross rod fixedly connected with the fixed frame and an eccentric crank with one end movably connected with the eccentric disc and the other end movably connected with the cross rod, wherein the eccentric disc is arranged on the side frame;

and the eccentric crank pulls the fixing frame back and forth to drive the second screen to screen materials back and forth under the action of the eccentric disc.

7. A UHPC material mixing, stirring and bagging system as in claim 5 or 6 wherein the first screen is positioned diagonally downward in the vibrating hopper.

8. A UHPC material mixing, stirring and packaging system as in claim 5 or 6, wherein the elastic surrounding edge is an S-shaped elastic surrounding edge; the top end of the conveying belt is provided with a protective cover for preventing the steel fiber material from flying out; the protective cover is fixed on the fixing frame.

9. The UHPC material mixing, stirring and packaging system of claim 3, wherein the proportioning bin and the mixing and stirring mechanism are respectively connected with a dust collecting pipe; the dust collecting pipe is connected with a bag-type dust collector.