Fiber metering and conveying device
By designing a fiber metering and conveying device, the problem of uneven distribution of steel fibers in concrete was solved by using a rotating shaft to split the steel fibers and a screen to disperse them. This achieved uniform distribution of steel fibers in concrete and consistency in tensile strength, thereby improving the overall quality of the concrete.
Patent Information
- Application Number
- CN202422692265.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-05
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-05
AI Technical Summary
In existing technologies, steel fibers are unevenly distributed in concrete, which affects the uniformity of tensile strength and overall quality of the concrete.
A fiber metering and conveying device was designed, including an infeed conveyor belt, an outfeed conveyor belt, a metering box, a metering platform, and a splitting cylinder. After the steel fibers are weighed by the metering platform, the steel fibers are split by a dispersing rod driven by a rotating shaft and dispersed by a screen to ensure uniform distribution of the steel fibers.
This method achieves uniform distribution of steel fibers in concrete, improves the consistency of tensile strength in various locations of the concrete, and ensures the overall quality of the concrete.
Smart Images
Figure CN223521714U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of concrete mixing, in particular to a fiber metering and conveying device. BACKGROUND
[0002] In order to improve the structural strength of concrete and avoid cracking, some concrete in application scenarios will be mixed with a certain amount of steel fiber, so as to meet the demand of different scenarios for the crack resistance and tensile strength of concrete. The amount of steel fiber added needs to be kept at a certain proportion to meet the multiple demands of strength and cost. The existing steel fiber metering method is generally weighing. After a certain weight of steel fiber is weighed, it is added to the concrete for stirring. However, the steel fiber is prone to clumping and aggregation during transportation and storage. Weighing a specified weight can only meet the overall amount of steel fiber addition requirement, but the clumped steel fiber is difficult to disperse after mixing with concrete, resulting in uneven distribution of steel fiber in concrete, thereby affecting the uniformity and consistency of the tensile strength of concrete at different positions, greatly affecting the overall quality of steel fiber reinforced concrete. SUMMARY
[0003] The utility model discloses a kind of fiber metering and conveying devices, it can solve the technical problem that steel fiber is unevenly distributed in concrete, after the steel fiber of weighing measurement is split and scattered, it is mixed with concrete uniformly, ensure the uniformity of distribution of steel fiber in concrete, ensure the overall quality of steel fiber reinforced concrete.
[0004] To achieve the above object, the following technical solutions are used in the utility model:
[0005] A kind of fiber metering and conveying device, including feed conveyor belt and discharge conveyor belt, feed conveyor belt and discharge conveyor belt between being equipped with metering box, the top of metering box is equipped with feed hopper, the feed hopper is below the one end of feed conveyor belt, the bottom of metering box is equipped with discharge port, the discharge port is above discharge conveyor belt, the position below feed hopper in metering box is equipped with metering table, the top of metering table is slidably connected with slide along transverse direction, the push plate used in cooperation with metering table is slidably connected on slide along vertical direction, one side of metering table is equipped with split cylinder, rotating shaft is rotatably connected in split cylinder, multiple dispersion rods are arrayed on rotating shaft, the bottom of split cylinder is equipped with screen, screen is arranged at discharge port.
[0006] Further, the two side walls of the metering box are symmetrically provided with a sliding groove, the two sides of the sliding seat are symmetrically provided with a sliding block, the sliding block is slidably connected in the sliding groove, and the metering box is provided with a sliding motor for driving the sliding block to slide.
[0007] Further, the sliding seat is provided with a vertical sliding hole, the push plate passes through the sliding hole and is in sliding connection with the sliding hole, and the sliding seat is provided with a lifting motor for driving the push plate to slide up and down.
[0008] Further, the two sliding grooves are respectively provided with a guide rod and a rotating screw rod, the guide rod penetrates through one of the sliding blocks and is in sliding connection with the sliding block, the screw rod penetrates through the other sliding block and is in threaded connection with the sliding block, the screw rod is fixed on an output shaft of the sliding motor, the output shaft of the lifting motor is provided with a gear, and one side of the push plate is provided with a toothed plate in meshing connection with the gear.
[0009] Further, the feeding hopper is provided with a material shaft and a feeding motor for driving the material shaft to rotate, the material shaft is provided with a material blocking plate matched with the cross section of the feeding hopper, and the feeding motor is electrically connected with the metering table.
[0010] Further, the bottom of the metering table is provided with a support, one end of the support is provided with an inclined material dropping plate, and the bottom end of the inclined material dropping plate extends into the splitting cylinder.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1、The structure of the utility model sets the metering box between the feeding conveying belt and the discharging conveying belt, sets the metering table and the splitting cylinder in the metering box, the steel fibers on the feeding conveying belt fall on the metering table through the feeding hopper on the top of the metering box, the steel fibers are transferred to the splitting cylinder after the specified weight is weighed, the rotation of the plurality of dispersion rods driven by the rotating shaft is utilized to split and scatter the steel fibers gathered in a ball, and the split steel fibers fall on the discharging conveying belt from the screen at the bottom, so that the accurate metering of the steel fiber adding amount is realized, the split and scattered steel fibers after metering are utilized, the steel fibers are uniformly distributed in each position after being mixed with the concrete, the consistency of the tensile strength of the concrete in each position is guaranteed, and the overall quality of the concrete is guaranteed.
[0013] 2、The sliding seat is slidably arranged above the metering table in the transverse direction, and the push plate matched with the metering table is slidably connected to the sliding seat in the vertical direction, so that after the metering table weighs the specified weight of the steel fibers, the push plate on the sliding seat is lowered to be in contact with the metering table, then the sliding seat drives the push plate to slide towards the splitting cylinder, the steel fibers on the metering table are pushed into the splitting cylinder, so that the steel fibers smoothly enter the subsequent splitting and scattering process without affecting the weighing accuracy of the metering table, and the accuracy of the steel fiber adding metering is guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0014] FIG. 1 is a perspective view of the utility model. Figure 1 FIG. 2 is a right view of the utility model.
[0015] FIG. 3 is a sectional view of the utility model. Figure 2 FIG. 4 is a left view of the utility model.
[0016] Figure 2 is an enlarged view of the portion A-A of the figure 1. Figure 3 Figure 3 is an enlarged view of the portion B-B of the figure 1. Figure 2 Figure 4 is an enlarged view of the portion C-C of the figure 1.
[0017] Figure 5 is an enlarged view of the portion D-D of the figure 1. Figure 4 Figure 6 is an enlarged view of the portion E-E of the figure 1. Figure 3 Figure 7 is an enlarged view of the portion F-F of the figure 1.
[0018] Figure 8 is an enlarged view of the portion G-G of the figure 1. Figure 5 Figure 9 is an enlarged view of the portion H-H of the figure 1. Figure 3 Figure 10 is an enlarged view of the portion I-I of the figure 1.
[0019] Figure 11 is an enlarged view of the portion J-J of the figure 1. Figure 6 Figure 12 is an enlarged view of the portion K-K of the figure 1. Figure 5 Figure 13 is an enlarged view of the portion L-L of the figure 1.
[0020] Reference signs in the drawings:
[0021] 1, feeding conveyor belt; 2, discharging conveyor belt; 3, metering box; 4, feeding hopper; 5, discharging port; 6, metering table; 7, sliding seat; 8, push plate; 9, split cylinder; 10, rotating shaft; 11, dispersing rod; 12, screen; 13, chute; 14, sliding block; 15, sliding motor; 16, sliding hole; 17, lifting motor; 18, guide rod; 19, screw; 20, gear; 21, toothed plate; 22, material shaft; 23, feeding motor; 24, material blocking plate; 25, support; 26, material dropping plate. DETAILED DESCRIPTION
[0022] The present application will be further described below in connection with specific embodiments. It should be understood that these embodiments are only used to illustrate the present application and not used to limit the scope of the present application. Furthermore, it should be understood that after reading the content taught by the present application, those skilled in the art can make various modifications or changes to the present application, and these equivalent forms also fall within the scope defined by the present application.
[0023] Reference Figure 1 and Figure 2The utility model relates to a kind of fiber metering conveying device, main body structure includes feed conveyor belt 1 and discharge conveyor belt 2, both can adopt existing belt conveyor structure, realize the transportation of steel fiber, the end of discharge conveyor belt 2 extends to concrete mixing tank, realizes the quantitative delivery and addition of steel fiber, feed conveyor belt 1 and discharge conveyor belt 2 between being equipped with metering tank 3, metering tank 3 is used to weigh the addition amount of steel fiber, the top of metering tank 3 is equipped with feed hopper 4, preferably feed hopper 4 is funnel-shaped structure of wide top narrow bottom, feed hopper 4 is located below one end of feed conveyor belt 1, so that the steel fiber that falls from feed conveyor belt 1 can accurately drop into feed hopper 4, the bottom of metering tank 3 is equipped with discharge port 5, steel fiber after weighing falls from discharge port 5, discharge port 5 is located above discharge conveyor belt 2, steel fiber after weighing falls from discharge port 5 on discharge conveyor belt 2, and then is conveyed to concrete mixing tank and is mixed, the position below feed hopper 4 in metering tank 3 is equipped with metering platform 6, metering platform 6 is existing platform type weighing device, using pressure sensor to weigh the steel fiber that falls on it, the top of metering platform 6 is slidably connected with slide 7 along transverse direction, slide 7 slides along the top of metering platform 6 in transverse direction, the push plate 8 used in cooperation with metering platform 6 is slidably connected on slide 7 in vertical direction, push plate 8 can slide up and down relative to slide 7, when the steel fiber on metering platform 6 reaches specified weight, push plate 8 slides down until bottom and metering platform 6 contact, thereafter slide 7 drives push plate 8 to slide in transverse direction, using push plate 8 to push the steel fiber on metering platform 6 towards one side, so that the steel fiber after weighing smoothly enters subsequent processing procedure, such structure makes that push plate 8 slides up along slide 7 when metering platform 6 weighs steel fiber, does not influence the accuracy of metering platform 6 weighing, guarantees the accuracy of weighing steel fiber, one side of metering platform 6 is equipped with split cylinder 9, split cylinder 9 is below one side of metering platform 6, push plate 8 pushes the steel fiber on metering platform 6 into split cylinder 9, rotatingly connected with shaft 10 in split cylinder 9, shaft 10 is driven to rotate using motor, a plurality of dispersion rods 11 are arrayed on shaft 10 by welding or bolt fixation, using shaft 10 to drive a plurality of dispersion rods 11 to rotate, the steel fiber that falls in is scattered, the bottom of split cylinder 9 is equipped with screen 12, a plurality of strip-shaped screen holes are arranged on screen 12, for limiting the size of steel fiber, so that the steel fiber that holds the team stays on screen 12 and is continuously scattered, until steel fiber falls from screen hole of screen 12 after scattering, screen 12 is arranged at discharge port 5, steel fiber after scattering falls from discharge port 5 on discharge conveyor belt 2, so that the steel fiber after metering can be evenly mixed in concrete, so that the tensile strength of steel fiber concrete at each position remains consistent, ensure the overall quality of concrete.
[0024] Preferably, refer to Figure 3The two side walls of the metering box 3 are symmetrically provided with a sliding groove 13 extending in the transverse direction and recessed inward from the inner wall of the metering box 3, the two sides of the sliding seat 7 are symmetrically welded or bolted with a sliding block 14, the sliding block 14 is slidingly connected in the sliding groove 13, and the metering box 3 is provided with a sliding motor 15 driving the sliding block 14 to slide. Such a structure drives the sliding block 14 and the sliding seat 7 to slide in the transverse direction along the sliding groove 13 by the sliding motor 15, and then drives the push plate 8 to automatically push the weighed steel fibers into the disintegration cylinder 9, so that the pushing of the weighed steel fibers is more smooth, and the flow of the entire weighing and dispersing process is improved.
[0025] Preferably, the sliding seat 7 is provided with a vertical sliding hole 16 penetrating the sliding seat 7 in the vertical direction, the push plate 8 penetrates the sliding hole 16 and is slidingly connected therewith, and the sliding seat 7 is provided with a lifting motor 17 driving the push plate 8 to slide up and down. The push plate 8 slides up and down along the sliding hole 16 by the lifting motor 17, so that the bottom thereof accurately contacts or separates from the metering table 6, thereby making the control of the position of the push plate 8 more convenient and accurate, ensuring the accuracy of the steel fiber pushing movement and avoiding interference with the accuracy of the metering table 6.
[0026] Preferably, referring to Figure 4 The two sliding grooves 13 are respectively provided with a guide rod 18 and a rotating screw rod 19, the screw rod 19 is rotatably connected in the sliding groove 13, the guide rod 18 penetrates one of the sliding blocks 14 and is slidingly connected therewith, the screw rod 19 penetrates the other sliding block 14 and is threadedly connected therewith, and the screw rod 19 is welded or bolted on the output shaft of the sliding motor 15. The screw rod 19 is driven to rotate by the sliding motor 15, and the sliding seat 7 and the sliding block 14 are driven to slide in the transverse direction along the guide rod 18 under the action of the threaded connection, so that the control of the moving distance and speed of the push plate 8 is more accurate, referring to Figure 5 and Figure 6 The output shaft of the lifting motor 17 is welded or bolted with a gear 20, and one side of the push plate 8 is welded or bolted with a toothed plate 21 meshing with the gear 20. Such a structure drives the toothed plate 21 to slide up and down by driving the gear 20 to rotate by the lifting motor 17 during use, thereby accurately driving the push plate 8 to slide up and down. The structure is simple, convenient to operate, and the control of the position of the push plate 8 is more convenient and accurate.
[0027] Preferably, the feeding hopper 4 is provided with a material shaft 22 and a feeding motor 23 for driving the material shaft 22 to rotate, the material shaft 22 is welded or bolted to the output shaft of the feeding motor 23, and a material blocking plate 24 corresponding to the cross section of the feeding hopper 4 is welded or bolted to the material shaft 22, when the feeding motor 23 drives the material shaft 22 to rotate, the material blocking plate 24 rotates to horizontally block the feeding hopper 4 or vertically open the feeding hopper 4, thereby realizing the opening and closing control of the feeding hopper 4, the feeding motor 23 is electrically connected with the metering table 6, after the metering table 6 weighs the specified weight of steel fibers, an electric signal is generated and transmitted to the feeding motor 23, the feeding motor 23 drives the material shaft 22 and the material blocking plate 24 to rotate to horizontally close the feeding hopper 4, thereby stopping the continuous feeding of the steel fibers, and the steel fibers are temporarily stored in the feeding hopper 4, realizing the automatic and accurate control of the steel fiber feeding amount.
[0028] Preferably, the bottom of the metering table 6 is welded or bolted with a support 25, one end of the support 25 is welded or bolted with an inclined material falling plate 26, and the bottom end of the inclined direction of the material falling plate 26 extends into the splitting cylinder 9, the setting of the material falling plate 26 enables the steel fibers falling from the metering table 6 to accurately fall into the splitting cylinder 9, avoiding the falling of the steel fibers, and further ensuring the accuracy of the steel fiber addition amount measurement.
[0029] Working principle: the structure of the utility model is characterized in that the metering box 3 is arranged between the feeding conveying belt 1 and the discharging conveying belt 2, the metering table 6 and the splitting cylinder 9 are arranged in the metering box 3, the steel fibers on the feeding conveying belt 1 fall on the metering table 6 through the feeding hopper 4 at the top of the metering box 3, and the steel fibers are transferred into the splitting cylinder 9 after weighing the specified weight, the rotation of the plurality of dispersing rods 11 driven by the rotating shaft 10 splits and scatters the steel fibers gathered in bundles, and the split steel fibers fall on the discharging conveying belt 2 from the bottom screen 12, thereby realizing the accurate measurement of the steel fiber addition amount, and the measured steel fibers are split and scattered, so that the steel fibers are evenly distributed in each position after being mixed with the concrete, thereby ensuring the consistency of the tensile strength of the concrete at each position and the overall quality of the concrete; the slide 7 is arranged above the metering table 6 in the transverse direction, and the push plate 8 used in cooperation with the metering table 6 is connected to the slide 7 in the vertical direction, so that after the metering table 6 weighs the specified weight of steel fibers, the push plate 8 on the slide 7 is lowered to contact the metering table 6, then the slide 7 drives the push plate 8 to slide towards the splitting cylinder 9, and the steel fibers on the metering table 6 are pushed into the splitting cylinder 9, thereby enabling the steel fibers to smoothly enter the subsequent splitting and scattering process without affecting the weighing accuracy of the metering table 6, and ensuring the accuracy of the steel fiber addition measurement.
Claims
1. A fibrous metering conveyor device comprising an infeed conveyor belt (1) and an outfeed conveyor belt (2), between which a metering bin (3) is arranged, characterized in that: The top of the metering box (3) is provided with a feeding hopper (4) below one end of the feeding conveying belt (1), the bottom of the metering box (3) is provided with a discharge port (5) above the discharge conveying belt (2), the position below the feeding hopper (4) in the metering box (3) is provided with a metering table (6), the top of the metering table (6) is transversely slidably connected with a sliding seat (7), the sliding seat (7) is vertically slidably connected with a push plate (8) matched with the metering table (6), one side of the metering table (6) is provided with a split cylinder (9), the split cylinder (9) is rotatably connected with a rotating shaft (10), a plurality of dispersion rods (11) are arranged on the rotating shaft (10), the bottom of the split cylinder (9) is provided with a screen (12), and the screen (12) is arranged at the discharge port (5).
2. A fibrous dosing delivery device according to claim 1, characterized in that: The two side walls of the metering box (3) are symmetrically provided with sliding grooves (13), the two sides of the sliding seat (7) are symmetrically provided with sliding blocks (14), the sliding blocks (14) are slidably connected in the sliding grooves (13), and the metering box (3) is provided with a sliding motor (15) for driving the sliding blocks (14) to slide.
3. A fibrous dosing delivery device according to claim 2, wherein: The sliding seat (7) is provided with a vertical sliding hole (16), the push plate (8) passes through the sliding hole (16) and is slidably connected therewith, and the sliding seat (7) is provided with a lifting motor (17) for driving the push plate (8) to slide up and down.
4. A fibrous dosing delivery device according to claim 3, wherein: The two sliding grooves (13) are respectively provided with a guide rod (18) and a rotating screw (19), the guide rod (18) penetrates through one of the sliding blocks (14) and is slidably connected therewith, the screw (19) penetrates through the other sliding block (14) and is threadedly connected therewith, the screw (19) is fixed on the output shaft of the sliding motor (15), the output shaft of the lifting motor (17) is provided with a gear (20), and one side of the push plate (8) is provided with a toothed plate (21) engaged with the gear (20).
5. The fibrous dosing delivery device of claim 1, wherein: The feeding hopper (4) is provided with a material shaft (22) and a feeding motor (23) for driving the material shaft (22) to rotate, the material shaft (22) is provided with a material blocking plate (24) matched with the cross section of the feeding hopper (4), and the feeding motor (23) is electrically connected with the metering table (6).
6. A fibrous dosing delivery device according to claim 1, wherein: The bottom of the metering table (6) is provided with a support (25), one end of the support (25) is provided with an inclined material falling plate (26), and the bottom end of the inclined direction of the material falling plate (26) extends into the split cylinder (9).