Gravel bin for producing concrete
Technical Field
The utility model belongs to the technical field of concrete production, and particularly relates to a broken stone bin for producing concrete.
Background
In recent years, along with the continuous development of the economic level, the development of the building industry is very rapid, a large amount of stones are required to be used in the construction process of a building site, so that most of stones transported to the construction site by a quarry are large in diameter and cannot be directly prepared and processed, and the stones are required to be crushed, so that the normal operation of concrete preparation work is ensured.
Aiming at the problems, the Chinese patent application with the authority of publication number of CN211677930U discloses a gravel warehouse for producing concrete, which comprises a shell and support plates arranged on the side walls at two ends of the shell, wherein two feeding pipes which are mutually communicated with the inside of the shell are penetrated and arranged at the upper end of the shell, two crushing mechanisms are symmetrically arranged in the shell, a receiving plate is fixedly connected in the shell, a vibrating motor is fixedly connected with the side wall of the receiving plate, a communication hole is penetrated and arranged on the side wall of the receiving plate, a baffle is rotatably connected at the bottom of the receiving plate, a plurality of discharge holes are penetrated and arranged on the side wall of the baffle, and a receiving and releasing mechanism is sequentially penetrated and arranged on the side wall of the shell and the side wall of the receiving plate and is fixedly connected with the upper end of the baffle. The utility model has reasonable structural design, can screen the crushed stone, and prevent the stone with large diameter from falling into the crushed stone, thereby ensuring the normal operation of concrete processing work.
However, the crushed stone bin for producing concrete has the following defects: above-mentioned technical scheme makes the bigger crushing raw materials of granule separate with the less raw materials of granule through the discharge opening, but in long-time operation in-process, its screening process can be blocked necessarily, can influence broken process once screening device blocks up the back, and then can not carry out continuous operation.
Disclosure of Invention
The utility model aims to provide a gravel bin for producing concrete, which solves the problem that the production efficiency is affected because the gravel bin for producing concrete in the prior art cannot work continuously.
The technical scheme of the utility model is as follows:
a gravel silo for producing concrete, comprising: the bin body, reducing mechanism is installed at the top of the bin body, the below of reducing mechanism installs the flitch that connects, connect the flitch to be provided with two and fix respectively on the lateral wall of both sides, the one side slope that two connect the flitch to be close to each other sets up downwards, leave the gap so that the material falls between two flitch, be provided with two screening devices that are used for screening concrete in the bottom of two flitch that connect, be provided with the baffle between two flitch that connect, can block the flitch unloading of both sides respectively, when the baffle stops the flitch unloading of one side, the concrete on the flitch of the other side falls into and is in the screen cloth of this side below to sieve, the discharge end of two screening devices all runs through the outside of stopping the bin body down, be provided with conveyor in order to carry the large granule material that falls down on the screening device again in the reducing mechanism at the bin body outside.
Further, reducing mechanism is including rotating two crushing rollers that set up at the storehouse body, two crushing roller's one end is all run through to the outside of the storehouse body and fixedly connected with two gears, two intermeshing between the gear, the externally mounted of the storehouse body has rotation motor, and one of them gear fixed connection is on rotation motor's output shaft.
Further, screening plant includes two screens, the screen cloth includes the support frame and can dismantle the sieve of connection on the support frame, the below of screen cloth all is provided with vibrating motor so that the screen cloth is in vibration state and sieves the concrete raw materials that falls on the screen cloth, two the screen cloth is by the one side that is close to each other to opposite side slope downward setting.
Further, the sieve plate is fixed on the sieve plate through screws.
Further, a material receiving box is arranged below the screen.
Further, the discharge hole of the screen mesh is subjected to closing-up treatment.
Further, conveyor includes two augers of vertical setting, the feeder hopper has been seted up to one side that is close to the bottom on the auger, the feeder hopper is located the below of the discharge gate of screen cloth, it has the discharging pipe to be close to top one side intercommunication on the auger, the slope of discharging pipe sets up downwards.
Further, the below of conveyor's discharging pipe is provided with material distribution device, material distribution device is including the bracing piece of fixed setting on the storehouse body, the below of discharging pipe is provided with and connects the silo, connect and rotate between the middle part of silo and the bracing piece and be connected, one side of the storehouse body is provided with and is used for driving and connects silo pivoted electric telescopic handle, electric telescopic handle's one end articulates on connecing the silo other end and articulates on the storehouse body.
The beneficial effects of the utility model are as follows:
concrete raw materials pass through reducing mechanism and smash on the back and fall on receiving the flitch, the concrete raw materials on the receiving flitch fall on two screening plant after sieving, when screening plant's screen cloth need be changed, stop one of them receiving the flitch through the baffle, the concrete raw materials that falls down from reducing mechanism is stopped in receiving the flitch by the baffle, continue to work through another screening plant, do not shut down and carry out screening operation, the great concrete raw materials of granule on the screen can redistribute to reducing mechanism through conveyor and material distribution device in smash, can realize the continuous screening of concrete raw materials through above-mentioned operation, improve screening efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the structure of the inside of the present utility model.
Fig. 3 is a schematic elevational view of the interior of the present utility model.
In the figure: 1. a bin body; 2. a pulverizing device; 3. a receiving plate; 31. a pulverizing roller; 32. a gear; 33. a rotating motor; 4. a screening device; 41. a screen; 42. a vibration motor; 5. a baffle; 6. a conveying device; 61. an auger; 62. a feed hopper; 63. a discharge pipe; 7. a material receiving box; 8. a material distribution device; 81. a support rod; 82. a receiving groove; 83. an electric telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1-3, a broken stone bin for producing concrete comprises a bin body 1, wherein a crushing device 2 is arranged at the top of the bin body 1, a receiving plate 3 is arranged below the crushing device 2, two receiving plates 3 are respectively fixed on the side walls of two sides, one sides of the two receiving plates 3, which are close to each other, are obliquely downwards arranged, gaps are reserved between the two receiving plates 3 so as to enable materials to fall down, two screening devices 4 for screening concrete are arranged at the bottoms of the two receiving plates 3, a baffle 5 is arranged between the two receiving plates 3, the receiving plates 3 on two sides can be blocked from respectively for blanking, when the baffle 5 blocks the receiving plates 3 on one side from blanking, the concrete on the other receiving plate 3 falls into a screen mesh positioned below the side for screening, the discharging ends of the two lower screening devices 4 penetrate through the outside of the bin body 1, and a conveying device 6 is arranged outside the bin body so as to convey large particle materials falling down from the screening devices 4 into the crushing device 2 again.
The crushing device 2 comprises two crushing rollers 31 rotatably arranged on the bin body 1, one ends of the two crushing rollers 31 penetrate through the outside of the bin body 1 and are fixedly connected with two gears 32, the two gears 32 are meshed with each other, a rotating motor 33 is arranged on the outside of the bin body 1, and one gear 32 is fixedly connected to an output shaft of the rotating motor 33; the rotation of the rotation motor 33 drives the two gears 32 to rotate, and the rotation of the gears 32 drives the two crushing rollers 31 to rotate in opposite directions so as to crush the concrete blocks falling between the two crushing rollers 31.
Baffle 5 rotates the setting and just baffle 5's axis of rotation one end runs through to the outside of storehouse body 1 between two receiving plates 3, when baffle 5 is in vertical state, baffle 5 and the receiving plates 3 of both sides all do not contact, the concrete slag that falls down from receiving plates 3 will fall on screening plant 4 of respective below this moment sieves, when baffle 5 rotates and with screening plant 4 of one of them laminating, the material on receiving plates 3 of this side will stop the whereabouts, can overhaul screening plant 4 that is in this side below this moment, and screening plant 4 of opposite side will not receive and can continue to carry out screening operation, can not influence the operation of whole device.
The screening device 4 comprises two screens 41, wherein the screens 41 comprise a supporting frame and a screen plate detachably connected to the supporting frame, vibration motors 42 are arranged below the screens 41 to enable the screens 41 to be in a vibration state so as to screen concrete raw materials falling on the screens 41, and the two screens 41 are obliquely downwards arranged from one side close to the other side; after sieving, the larger particle concrete material falls directly from the discharge opening above the screen 41, while the smaller particle concrete material will fall from the screen 41.
In a specific embodiment, the screen plate is fixed on the screen 41 by a fixing component such as a screw, and the screen plate is convenient to replace when one end of use of the screen is blocked or damaged.
In this embodiment, the outlet of the screen 41 is closed to ensure that the larger material falls well within the conveyor 6.
Preferably, a receiving box 7 is arranged below the screen 41; the smaller particle material falling on the screen 41 is collected.
The conveying device 6 comprises two augers 61 which are vertically arranged, a feed hopper 62 is arranged on one side, close to the bottom, of each auger 61, the feed hopper 62 is positioned below a discharge hole of the screen 41, a discharge pipe 63 is communicated on one side, close to the top, of each auger 61, and the discharge pipes 63 are obliquely downwards arranged; the concrete raw material having larger particles falling from the screen 41 falls into the hopper 262, and is fed upward through the auger 61 and fed to the pulverizing device 2 through the discharge pipe 63 to be pulverized after a certain amount of concrete raw material is accumulated in the hopper 62.
A material distribution device 8 is arranged below a discharge pipe 63 of the conveying device 6, the material distribution device 8 comprises a support rod 81 fixedly arranged on the bin body 1, a receiving groove 82 is arranged below the discharge pipe 63, the middle part of the receiving groove 82 is rotationally connected with the support rod 81, one side of the bin body 1 is provided with an electric telescopic rod 83 for driving the receiving groove 82 to rotate, and one end of the electric telescopic rod 83 is hinged on the receiving groove 82, and the other end of the electric telescopic rod 83 is hinged on the bin body 1; the receiving groove 82 is driven to rotate through the expansion and contraction of the electric expansion rod 83, and the directions of the receiving groove 82 are different, so that concrete raw materials in the receiving groove 82 fall on different positions of the crushing device 2 to be crushed.
The specific working principle is as follows: concrete raw materials fall on receiving the flitch 3 after smashing through reducing mechanism 2, screen cloth after the concrete raw materials on receiving the flitch 3 fall on two screening plant 4, when the screen cloth of screening plant 4 needs to be changed, stop one of them receiving the flitch 3 through baffle 5, the concrete raw materials that falls down from reducing mechanism 2 is stopped in receiving the flitch 3 by baffle 5, continue to work through another screening plant 4, do not shut down and carry out screening operation, the bigger concrete raw materials of granule on the screen cloth can redistribute to reducing mechanism 2 through conveyor 6 and material distribution device and smash, can realize the continuous screening of concrete raw materials through above-mentioned operation, improve screening efficiency.