CN111036547B - Material screening device - Google Patents
Material screening device Download PDFInfo
- Publication number
- CN111036547B CN111036547B CN202010007695.1A CN202010007695A CN111036547B CN 111036547 B CN111036547 B CN 111036547B CN 202010007695 A CN202010007695 A CN 202010007695A CN 111036547 B CN111036547 B CN 111036547B
- Authority
- CN
- China
- Prior art keywords
- screen
- driving device
- mixing
- transmission shaft
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 title claims abstract description 23
- 238000012216 screening Methods 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims description 29
- 239000004744 fabric Substances 0.000 claims description 11
- 238000005086 pumping Methods 0.000 claims description 4
- 230000009351 contact transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 238000007873 sieving Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000011089 mechanical engineering Methods 0.000 abstract description 2
- 238000003756 stirring Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/14—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a horizontal or substantially horizontal axis
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a screening device, belongs to mechanical engineering equipment, and particularly relates to a uniform-speed blanking bin screen structure for a wet spraying trolley. The material sieving device comprises screen mesh structures which are arranged in a staggered mode and a driving device for driving the screen mesh structures to move, and the driving device adopts a technical scheme that a cam transmission scheme replaces a traditional vibrating screen mesh. The screening device provided by the invention can efficiently stir cement materials to ensure the rapid falling of the materials, and has the advantages of simple structure, convenience in cleaning and the like, and the screening process is reliable and stable, and can absorb impact load in the feeding process.
Description
Technical Field
The invention belongs to mechanical engineering equipment, and particularly relates to a uniform-speed blanking bin screen structure for a wet spraying trolley.
Background
Wet spraying platform truck is in the course of the work, in order to prevent that the large granule of concrete material and the material of not intensive mixing from falling into the blending bunker, need set up the sieve material device in the top of blending bunker. In the prior art, the technical scheme that a screen mesh is combined with a vibration motor is generally adopted, the scheme utilizes the characteristic of multiple holes of the screen mesh and is combined with high-frequency vibration of the screen mesh to realize that small-size particles fall into a mixing bin.
Then, above-mentioned technical scheme does not possess preliminary mixing, mixed function, because the viscidity of concrete is high, accumulates on traditional screen cloth easily, blocks, uses for a long time and leads to the screen cloth to block up easily, unable normal use. Meanwhile, in the process of pouring materials into the sieve hopper from the concrete truck, the impact load is large, the centrifugal acceleration generated by the high-speed rotation of the vibration motor is increased, and the damage to the vibration motor is easily caused due to the poor construction environment of the wet spraying trolley. And vibrating motor generally installs the top at the feed bin screen cloth, and the material loading process is hit by the material very easily, and vibrating motor cable also has been the potential safety hazard of wet blasting platform truck always. Due to the instability of the vibration process of the vibration motor, the hopper screen is easy to damage and needs to be replaced frequently.
Disclosure of Invention
In view of this, the invention provides a material sieving device, which comprises screen structures arranged in a staggered manner and a driving device for driving the screen structures to move, wherein the driving device adopts a technical scheme that a cam transmission scheme replaces a traditional vibrating screen. The screening device provided by the invention can efficiently stir cement materials to ensure the rapid falling of the materials, and has the advantages of simple structure, convenience in cleaning and the like, and the screening process is reliable and stable, and can absorb impact load in the feeding process.
In order to realize the purpose of the invention, the invention adopts the following technical scheme:
the utility model provides a sieve material device which characterized in that, includes screen cloth structure and the drive arrangement who drives the motion of screen cloth structure, wherein: the screen structure is divided into a first screen and a second screen which are arranged in a staggered mode, and the first screen and the second screen are both composed of a plurality of screen pieces; the driving device is divided into a first driving device and a second driving device, and the first driving device and the second driving device respectively comprise a transmission shaft and a cam arranged on the transmission shaft; the screen sheet is a thin sheet structure with holes at two ends, a driven shaft is installed in a driven hole at one end of the screen sheet and is in contact transmission with the cam, and a fixed hole at the other end of the screen sheet is sleeved on the corresponding transmission shaft.
Preferably, backing rings for adjusting the distance are arranged between the screen sheets.
Preferably, the position of the screen sheet close to the fixing hole is provided with a locking plate for axial positioning.
Preferably, the driving device further comprises a hydraulic motor, a connecting disc and a bearing seat, wherein: the hydraulic motor is fixedly connected with the transmission shaft through the connecting discs, and the bearing blocks are symmetrically arranged at two ends of the transmission shaft.
Preferably, the screen structure and the driving device are installed on the upper portion of the mixing bin, a mixing shaft and mixing tooth sheets arranged on the mixing shaft are arranged inside the mixing bin, and the inside of the mixing bin is connected with the pumping device.
The screening device provided by the invention has the following beneficial effects:
(1) the first screen cloth and the second screen cloth of the screening device are arranged in an intersecting mode, shearing motion can be achieved under the driving of the driving device, materials can be stirred and mixed efficiently, and materials above the mixing bin are prevented from being stacked.
(2) The material screening device adopts a cam driving scheme, replaces the traditional vibrating motor scheme, can ensure the stable vibration of the hopper screen, and prolongs the service life of the device.
(3) The vibrating mechanism in the device is not arranged right above the hopper screen, so that impact load in the feeding process can be stably absorbed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a screen configuration and drive arrangement of the present invention;
FIG. 3 is a schematic view of the arrangement of the screen sheets of the present invention;
FIG. 4 is a schematic structural diagram of a driving device according to the present invention;
FIG. 5 is a schematic view of a cam gear structure according to the present invention;
FIG. 6 is a graph of the time displacement of the cam mechanism in the present invention;
FIG. 7 is a schematic view of the structure of the mixing silo of the present invention.
In the figure, 1-screen structure, 101-first screen, 102-second screen, 103-driven shaft, 104-screen sheet, 105-backing ring, 1041-driven hole, 1042-fixed hole, 1043-locking plate, 2-driving device, 201-first driving device, 202-second driving device, 203-hydraulic motor, 204-connecting disc, 205-driving shaft, 206-cam, 207-bearing seat, 3-mixing bin, 301-mixing shaft, 302-mixing tooth sheet and 4-pumping device.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, fig. 2 and fig. 3, a material sieving device comprises a screen structure 1 and a driving device 2 for driving the screen structure 1 to move, wherein: the screen structure 1 is divided into a first screen 101 and a second screen 102 which are arranged in a staggered manner, and the first screen 101 and the second screen 102 are both composed of a plurality of screen sheets 104; the driving device 2 is divided into a first driving device 201 and a second driving device 202, and each of the first driving device 201 and the second driving device 202 comprises a transmission shaft 205 and a cam 206 arranged on the transmission shaft 205; the screen sheet 104 is in a sheet structure with holes at two ends, the driven shaft 103 is installed in the driven hole 1041 at one end of the screen sheet 104, the driven shaft 103 is in contact transmission with the cam 206, and the fixing hole 1042 at the other end of the screen sheet 104 is sleeved on the corresponding transmission shaft 205.
Specifically, the cam 206 of the first driving device 201 drives the driven shaft 103 of the first screen 101, the cam 206 of the second driving device 202 drives the driven shaft 103 of the second screen 102, and meanwhile, the bottom of the first screen 101 is sleeved on the transmission shaft 205 of the second driving device 202, and the bottom of the second screen 102 is sleeved on the transmission shaft 205 of the first driving device 201, so that the first screen 101 and the second screen 102 are symmetrically arranged, and the screen sheets 104 are arranged in a staggered manner.
As shown in fig. 3, the backing ring 105 for adjusting the distance is arranged between the screen sheets 104, the screen distance L can be adjusted by the backing ring 105, and when the screen is specifically replaced, the driven shaft 103 only needs to be pulled out from the driven hole 1041, and then the backing ring 105 is installed. In the figure, the screen sheet 104 is provided with locking pieces 1043 for axial positioning at positions close to the fixing holes 1042.
As shown in fig. 4, the driving device 2 further includes a hydraulic motor 203, a connection disc 204, and a bearing housing 207, wherein: the hydraulic motor 203 is fixedly connected with a transmission shaft 205 through a connecting disc 204, bearing seats 207 are symmetrically arranged at two ends of the transmission shaft 205, and each bearing seat 207 comprises a bearing, a seal, a bearing cover and the like.
As shown in fig. 5 and 6, the cam 206 drives the driven shaft 103 to move, the specific movement track is as shown in fig. 6, and a cam driving scheme is adopted, so that the whole material sieving process runs stably due to the smooth operation curve of the cam, and the accelerated damage of a sieve screen caused by the large impact of a vibration motor is avoided.
As shown in fig. 7, the screen structure 1 and the driving device 2 are installed at the upper part of the mixing bin 3, a mixing shaft 301 and mixing teeth 302 arranged on the mixing shaft 301 are arranged inside the mixing bin 3, and the inside of the mixing bin 3 is connected with the pumping device 4.
The specific working process is as follows: the power of the hydraulic motor 203 is transmitted to the connecting disc 204 and the transmission shaft 205 in turn, the cam 206 is driven by the transmission shaft 205 to rotate uniformly to drive the driven shaft 103 to move up and down, and the bottom of the screen mesh structure 1 is hinged on the transmission shaft 205, and the other end of the screen mesh structure is hinged on the driven shaft 103, so that the first screen mesh 101 and the second screen mesh 102 can do shearing motion, and the sheared and mixed materials fall rapidly under the action of gravity. Because the viscidity of concrete material needs regularly to wash feed bin screen cloth, mixing bunker, only need during the washing with the feed bin screen cloth pull open can, easy and simple to handle, high-efficient.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (3)
1. The utility model provides a sieve material device which characterized in that, includes screen cloth structure (1) and drives drive arrangement (2) that screen cloth structure (1) moved, wherein:
the screen structure (1) is divided into a first screen (101) and a second screen (102) which are arranged in a staggered mode, and the first screen (101) and the second screen (102) are both composed of a plurality of screen pieces (104);
the driving device (2) is divided into a first driving device (201) and a second driving device (202), and the first driving device (201) and the second driving device (202) respectively comprise a transmission shaft (205) and a cam (206) arranged on the transmission shaft (205);
the screen sheet (104) is of a sheet structure with holes at two ends, a driven shaft (103) is installed in a driven hole (1041) at one end of the screen sheet (104), the driven shaft (103) is in contact transmission with a cam (206), and a fixing hole (1042) at the other end of the screen sheet (104) is sleeved on a corresponding transmission shaft (205);
cushion rings (105) for adjusting the distance are arranged between the screen sheets (104);
and locking plates (1043) for axial positioning are arranged at the positions, close to the fixing holes (1042), of the screen sheets (104).
2. A screening device according to claim 1, characterized in that the drive means (2) further comprises a hydraulic motor (203), a connection disc (204) and a bearing block (207), wherein: the hydraulic motor (203) is fixedly connected with the transmission shaft (205) through the connecting disc (204), and the bearing seats (207) are symmetrically arranged at two ends of the transmission shaft (205).
3. A screening device according to claim 1, characterized in that the screen structure (1) and the drive means (2) are mounted in the upper part of a mixing silo (3), that a mixing shaft (301) and mixing blades (302) arranged on the mixing shaft (301) are arranged inside the mixing silo (3), and that the inside of the mixing silo (3) is connected to the pumping means (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010007695.1A CN111036547B (en) | 2020-01-05 | 2020-01-05 | Material screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010007695.1A CN111036547B (en) | 2020-01-05 | 2020-01-05 | Material screening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111036547A CN111036547A (en) | 2020-04-21 |
| CN111036547B true CN111036547B (en) | 2022-03-04 |
Family
ID=70243708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010007695.1A Expired - Fee Related CN111036547B (en) | 2020-01-05 | 2020-01-05 | Material screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111036547B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021632B (en) * | 2021-01-31 | 2022-06-03 | 天门市天西天安干混砂浆有限公司 | Cement mortar mixer with variable interval sand screening function |
| FI20225384A1 (en) * | 2022-05-04 | 2023-11-05 | Allu Innovation And Res Center Oy | Vibrating screen for screening aggregates and/or soils |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502803Y (en) * | 2001-01-11 | 2002-07-31 | 纪贵军 | Impurity separating machine |
| CN202498021U (en) * | 2012-03-15 | 2012-10-24 | 毛雪明 | Efficient coal screening system facilitating removal of sundries |
| FI124597B (en) * | 2013-03-14 | 2014-10-31 | Allu Finland Oy | Mobile screening bucket |
| CN106216229B (en) * | 2016-07-28 | 2018-12-21 | 宁夏大学 | Earth and rock separation batch mixer |
| CN106238307B (en) * | 2016-10-17 | 2019-03-19 | 中国矿业大学(北京) | Asynchronous sieve |
| DE102017004508A1 (en) * | 2017-05-11 | 2018-11-15 | Hein, Lehmann Gmbh | Spannwellensiebmaschine |
| CN208727938U (en) * | 2018-07-17 | 2019-04-12 | 洛阳广盈机械设备有限公司 | A kind of fines screening machine device |
| CN109622359B (en) * | 2018-12-17 | 2020-09-15 | 东北大学 | Double-motor driven near-resonance nonlinear vibration relaxation sieve |
-
2020
- 2020-01-05 CN CN202010007695.1A patent/CN111036547B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN111036547A (en) | 2020-04-21 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20220304 |