CN108246617B - Feeding device of iron sand screening machine - Google Patents
Feeding device of iron sand screening machine Download PDFInfo
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- CN108246617B CN108246617B CN201810117573.0A CN201810117573A CN108246617B CN 108246617 B CN108246617 B CN 108246617B CN 201810117573 A CN201810117573 A CN 201810117573A CN 108246617 B CN108246617 B CN 108246617B
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Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a feeding device of an iron sand screening machine, which comprises a feeding hopper with a discharging barrel and a guide coaming, wherein a plurality of sand feeding flow passages formed by separating partition plates arranged at left and right intervals are arranged in the guide coaming, and each partition plate is provided with a movable plate for changing the left and right positions of iron sand in the corresponding sand feeding flow passage; a plurality of blanking cavities formed by separating the radially-radiating isolating plates are arranged in the discharging cylinder, the bottom ends of the blanking cavities are respectively connected with a flow guide groove plate which extends obliquely downwards to the top of the corresponding sand conveying flow channel, and the blanking cavities are matched with the sand conveying flow channels in number. According to the invention, the iron sand is conveyed into each sand conveying flow passage on the material guiding coaming through the guide groove plates below each blanking cavity, so that the iron sand quantity difference on each sand conveying flow passage is reduced, and the iron sand falling into the screen is prevented from being accumulated intensively and in a dispersed state through the movable plates for changing the left and right positions of the iron sand in the corresponding sand conveying flow passages, so that the local burden of the screen is reduced, and the screening efficiency of the iron sand is improved.
Description
Technical Field
The invention relates to the technical field of solid material screening equipment, in particular to a feeding device of an iron sand screening machine.
Background
The powder metallurgy can be used for manufacturing porous, semi-compact or fully compact parts, such as parts of oil-containing bearings, gears and the like, is widely applied to various industrial industries, is also applied to surface treatment materials, does not need cutting processing, has unique chemical composition, mechanical property and physical property, cannot be obtained by a traditional metal processing method, and has the characteristics of low cost and strong practicability.
The existing iron powder product production process generally comprises the steps of preparing powder particles with proper particle sizes, then compacting, forming and sintering the powder particles to form a part with a fixed shape, wherein the density and the product performance after sintering are directly related to the size of the powder particles, the requirements of different products are different, and the powder particles with different particle sizes are required to be uniformly mixed according to different proportions to achieve the expected effect, so that the screening of the iron powder particles is very important.
The existing screening is mainly completed through the vibrating screen, the structure of the existing screening is generally composed of a feeding device, a vibrating screening device, a storage tank and the like, the traditional feeding device is generally composed of a hopper and a guide plate connected between the lower portion of the hopper and the upper portion of the screen, the width of the guide plate is matched with the width of the screen, the guide plate is divided into a left flow channel and a right flow channel which are adjacently arranged by a partition plate, a discharging barrel of the hopper is generally only a hollow cavity, iron powder falling from the discharging barrel is easily concentrated in a concentrated area of the guide plate, so that iron powder falling into the starting end of the screen is accumulated to form a powder layer with a larger thickness, screening efficiency of the iron powder is affected, and meanwhile, a larger burden is generated on the screen at the given position, and the service life of the screen is not long. In addition, in the actual use process, after the iron powder falls into each runner from the hopper, the iron powder is easy to slide downwards along the side line of the isolation plate, so that the iron powder falling into the screen from each runner is piled up into a powder layer with a certain thickness, the screening efficiency is reduced, and the screen at the position is large in burden and easy to wear.
Disclosure of Invention
In order to overcome the technical defects in the prior art, the invention provides the feeding device of the iron sand screening machine, which can ensure that iron sand falling into a guide coaming and a screen is well dispersed, avoid too centralization, reduce the burden of the starting end of the screen and improve the screening efficiency.
The technical scheme adopted by the invention is as follows:
the feeding device of the iron sand screening machine comprises a feeding hopper with a vertical discharging barrel at the bottom and a guide coaming which is correspondingly arranged below the feeding hopper and is obliquely arranged, wherein the bottom end of the guide coaming is open;
a plurality of sand conveying flow passages formed by separating partition plates arranged at left and right intervals are arranged in the guide coaming, and each partition plate is provided with a movable plate for changing the left and right positions of iron sand in the corresponding sand conveying flow passage;
a plurality of blanking cavities formed by separating radially arranged isolation plates are arranged in the discharging cylinder, the bottom ends of the blanking cavities are respectively connected with guide groove plates which extend obliquely downwards to the tops of the corresponding sand conveying channels, and the number of the blanking cavities is matched with that of the sand conveying channels;
the discharging cylinder corresponds to the upper part of the top of the central axis of the material guiding coaming.
Preferably, the radial inner ends of the isolation plates are all connected with an intermediate body, the intermediate body is vertically and fixedly arranged in the discharging cylinder through the isolation plates and is coaxially arranged with the discharging cylinder, and the isolation plates are uniformly arranged at intervals along the circumferential direction of the intermediate body.
Preferably, the intermediate body comprises a middle cylinder which is communicated up and down and a conical flow dividing plate coaxially arranged at the top of the middle cylinder, and the outer diameter of the bottom end of the conical flow dividing plate is larger than the outer diameter of the middle cylinder and smaller than the inner diameter of the discharging cylinder.
Preferably, a driving motor is fixedly arranged in the middle cylinder, and an output shaft of the driving motor is vertically and upwardly connected with a conical splitter plate in an extending manner; the outer wall surface of the top of the middle cylinder is provided with an annular rail groove, and the bottom of the conical splitter plate is provided with a sliding block matched with the annular rail groove.
Preferably, the partition plates are symmetrically arranged left and right by taking the central axis of the material guiding coaming as an axis, a space between the two middle partition plates is set as a middle runner, sand conveying runners positioned at the left side of the middle runner are set as left runners respectively, and sand conveying runners positioned at the right side of the middle runner are set as right runners respectively;
the top ends of the movable plates in the left runners are hinged to the right-direction separation plates of the corresponding sand conveying runners, and the movable plates in the left runners are driven by the first driving piece to rotate around the hinged ends of the movable plates;
the top ends of the movable plates in the right runners are hinged to the left separating plates of the corresponding sand conveying runners, and the movable plates in the right runners are driven by the second driving piece to rotate around the hinged ends of the movable plates.
Preferably, a first telescopic baffle is connected between the top end of the movable plate in each left runner and the right partition plate, a second telescopic baffle is connected between the top end of the movable plate in each right runner and the left partition plate, and the first telescopic baffle and the second telescopic baffle are respectively attached to the bottom wall surface of the material guiding coaming.
Preferably, the first driving piece comprises a first air cylinder fixedly arranged on the left side of the material guiding coaming and a first control rod connected with a piston rod of the first air cylinder, and first clamping plates for clamping corresponding movable plates are respectively arranged at positions of the first control rod corresponding to the movable plates in each left runner;
the second driving part comprises a second air cylinder fixedly arranged on the right side of the material guiding coaming and a second control rod connected with a piston rod of the second air cylinder, and second clamping plates for clamping corresponding movable plates are respectively arranged at positions of the second control rod corresponding to the movable plates in the left flow passages.
Preferably, the opposite inner surfaces of the first clamping plates are respectively combined with a first roller, the central shaft of the first roller is perpendicular to the bottom wall surface of the material guiding coaming, and the rolling peripheral surface of the first roller is in rolling fit with the movable plate;
the second rollers are respectively combined on the opposite inner surfaces of the second clamping plates, the central shafts of the second rollers are perpendicular to the bottom wall surface of the guide coaming, and the rolling peripheral surfaces of the second rollers are in rolling fit with the movable plates.
Preferably, the tops of the two side surfaces of each movable plate in the width direction are respectively provided with a limit groove, and the limit grooves are abutted with the upper and lower disc surfaces of the first roller or the upper and lower disc surfaces of the second roller at the corresponding positions.
Preferably, the center line of the first control rod and the center line of the second control rod are on the same straight line, the right part of the first control rod and the left part of the second control rod respectively extend to the upper part of the middle runner, and the right part of the first control rod and the left part of the second control rod are of an inner sleeve structure and an outer sleeve structure.
The invention has the beneficial effects that: according to the invention, the discharging barrel is divided into the plurality of blanking cavities through the separating plates, so that iron sand in the feeding hopper is split into the blanking cavities, and then the iron sand is respectively conveyed into the sand conveying flow passages on the lower material guide coaming through the guide groove plates below the blanking cavities, so that the difference of the iron sand quantity on the sand conveying flow passages can be reduced, and as the movable plates for changing the left and right positions of the iron sand in the corresponding sand conveying flow passages are arranged on the separating plates of the material guide coaming, the iron sand falling into the screen can be prevented from being accumulated in a concentrated manner, the concentration degree is reduced, the dispersion situation is presented, the screening efficiency of the iron sand is improved, the local burden of the starting end of the screen is reduced, the loss is reduced, and the service life is prolonged.
Drawings
FIG. 1 is a schematic view showing a structure of a material guiding coaming according to the present invention in a use state.
Fig. 2 is a schematic diagram of a second structure of the use state of the material guiding coaming.
Fig. 3 is a cross-sectional view of A-A shown in fig. 2.
Fig. 4 is a partial enlarged view of B shown in fig. 3.
Fig. 5 is a partial enlarged view of C shown in fig. 3.
Fig. 6 is a partial enlarged view of D shown in fig. 2.
Fig. 7 is a top view of the tapping column of the present invention.
Fig. 8 is a cross-sectional view of the tapping column of the present invention taken along the line E-E shown in fig. 7.
Fig. 9 is a bottom view of the assembled state of the discharge cylinder and the intermediate body of the present invention.
Fig. 10 is a bottom view of the assembled state of the discharge tube and the intermediate body (two guide groove plates are omitted).
Reference numerals illustrate:
10. a material guiding coaming; 11. a partition plate; 12. a movable plate; 13. a first cylinder; 14. a first lever; 15. a first clamping plate; 16. a second cylinder; 17. a second lever; 18. a second clamping plate; 100. sand feeding flow channel; 120. a limit groove; 150. a first roller; 180. a second roller; 191. the first telescopic baffle plate; 192. the second telescopic baffle plate; 20. a discharging cylinder; 21. a partition plate; 22. a deflector trough plate; 23. an intermediate cylinder; 24. a conical splitter plate; 25. a driving motor; 26. an annular rail groove; 27. a slide block; 200. and a blanking cavity.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the embodiment provides a feed arrangement of iron sand sieve separator, including the feeder hopper that the bottom has vertical ejection of compact section of thick bamboo 20 and correspond the setting and set up in the feeder hopper below and the guide bounding wall 10 of slope.
As shown in fig. 1-6, in this embodiment, the material guiding board 10 includes a bottom plate and two side plates protruding upward relative to the left and right sides of the bottom plate, the left and right width of the upper end of the bottom plate is smaller than the left and right width of the lower end of the bottom plate, the top ends of the two side plates are connected together, and the side plates extend only to the left and right ends of the bottom plate, so that the bottom end of the material guiding board 10 is open.
Four partition plates 11 are arranged in the guide coaming 10 at left and right intervals, the four partition plates 11 are symmetrically arranged left and right by taking the central axis of the guide coaming 10 as an axis, and the four partition plates 11 divide the guide coaming 10 to form 5 sand conveying flow passages 100. In this embodiment, the space between the middle two partition plates 11 is set as a middle runner, the sand feeding runners 100 located at the left side of the middle runner are set as left runners, and the sand feeding runners 100 located at the right side of the middle runner are set as right runners.
Each partition plate 11 is provided with a movable plate 12 for changing the left and right positions of the iron sand in the corresponding sand feeding flow passage 100 so that the iron sand falling from each sand feeding flow passage 100 to the screen is further dispersed, the bottom edge of each movable plate 12 is closely attached to the bottom wall surface of the material guiding coaming 10, and the top edge of each movable plate 12 opposite to the bottom edge thereof is convexly arranged relative to the top edge of the partition plate 11. As a preferred way: the top ends of the movable plates 12 in the left runners are hinged to the right-direction separation plates 11 of the corresponding sand feeding runners 100, and the movable plates 12 in the left runners are driven by the first driving piece to rotate around the hinged ends of the movable plates. The top ends of the movable plates 12 in the right runners are hinged to the left-hand partition plates 11 of the corresponding sand feeding runners 100, and the movable plates 12 in the right runners are driven by the second driving member to rotate around the hinged ends thereof.
The first driving part comprises a first air cylinder 13 fixedly arranged on the left side of the material guiding coaming 10 and a first control rod 14 connected with a piston rod of the first air cylinder 13, and first clamping plates 15 for clamping corresponding movable plates 12 are respectively arranged at positions of the first control rod 14 corresponding to the movable plates 12 in each left runner. When the first cylinder 13 stretches and contracts, the first clamping plate 15 is driven to linearly move and simultaneously drive the corresponding movable plate 12 to rotate on the plane on the bottom wall surface of the guide coaming 10 around the hinged end of the movable plate, so that the left and right positions of the iron sand downward slide in the corresponding sand conveying flow channel 100 are realized.
The second driving part comprises a second air cylinder 16 fixedly arranged on the right side of the material guiding coaming 10 and a second control rod 17 connected with a piston rod of the second air cylinder 16, and second clamping plates 18 for clamping the corresponding movable plates 12 are respectively arranged at positions of the second control rod 17 corresponding to the movable plates 12 in the left flow passages. When the second cylinder 16 stretches and contracts, the second clamping plate 18 is driven to linearly move and simultaneously drive the corresponding movable plate 12 to rotate on the plane on the bottom wall surface of the guide coaming 10 around the hinged end of the movable plate, so that the left and right positions of the iron sand downward slide in the corresponding sand conveying flow channel 100 are realized.
Further, the opposite inner surfaces of the first clamping plate 15 are respectively combined with a first roller 150, a central shaft of the first roller 150 is perpendicular to the bottom wall surface of the material guiding coaming 10, a rolling peripheral surface of the first roller 150 is in rolling fit with the movable plate 12, the first clamping plate 15 is more flexible to operate the movable plate 12 through the rolling fit of the first roller 150 and the movable plate 12, abrasion of the inner surface of the first clamping plate 15 is reduced, and effective control of displacement of the movable plate 12 is ensured. The second rollers 180 are respectively combined on the opposite inner surfaces of the second clamping plates 18, the central axes of the second rollers 180 are perpendicular to the bottom wall surface of the material guiding coaming 10, the rolling peripheral surfaces of the second rollers 180 are in rolling fit with the movable plates 12, the second clamping plates 18 are enabled to operate the movable plates 12 more flexibly through the rolling fit of the second rollers 180 and the movable plates 12, abrasion of the inner surfaces of the second clamping plates 18 is reduced, and effective control of displacement of the movable plates 12 is guaranteed.
Further, the top parts of the two lateral surfaces of each movable plate 12 in the width direction are respectively provided with a limit slot 120, and the limit slots 120 are abutted against the upper and lower disc surfaces of the first roller 150 or the upper and lower disc surfaces of the second roller 180 at the corresponding positions, so that the movable plates 12 are kept to be attached to the bottom wall surface of the material guiding coaming 10 in the rotation process, and meanwhile, the mounting heights of the first control rod 14 and the second control rod 17 can be maintained by means of the limit slots 120 of the movable plates 12, so that the whole structural stability is ensured.
Further, the center line of the first control rod 14 and the center line of the second control rod 17 are on the same straight line, the right part of the first control rod 14 and the left part of the second control rod 17 respectively extend to the upper part of the middle runner, and the right part of the first control rod 14 and the left part of the second control rod 17 are of an inner and outer sleeve structure, so that the first driving piece and the second driving piece of the embodiment are more stable and firm in structure and mutually support.
Further, in order to reduce or avoid sand leakage from the joint between the movable plate 12 and the partition plate 11, a first telescopic baffle 191 is respectively connected between the top end of the movable plate 12 in each left runner and the right partition plate 11, a second telescopic baffle 192 is respectively connected between the top end of the movable plate 12 in each right runner and the left partition plate 11, and the first telescopic baffle 191 and the second telescopic baffle 192 are respectively attached to the bottom wall surface of the material guiding coaming 10.
As shown in fig. 7-10, in this embodiment, the discharging barrel 20 corresponds to the upper portion of the top of the central axis of the guiding coaming 10, a plurality of blanking cavities 200 formed by separating the radially-radiating partition plates 21 are disposed in the discharging barrel 20, the bottom ends of the blanking cavities 200 are respectively connected with a guiding groove plate 22 extending obliquely downward to the top of the corresponding sand feeding channel 100, and the number of the blanking cavities 200 is matched with that of the sand feeding channel 100, i.e., five partition plates 21 in this embodiment are provided, and the number of the blanking cavities 200 and the guiding groove plates 22 are five.
Further, the radially inner ends of the isolation plates 21 are all connected with an intermediate body, the intermediate body is vertically and fixedly arranged in the discharging cylinder 20 through the isolation plates 21 and is coaxially arranged with the discharging cylinder 20, and the isolation plates 21 are uniformly arranged at intervals along the circumferential direction of the intermediate body. The intermediate body consists of an intermediate cylinder 23 which is penetrated up and down and a conical flow dividing plate 24 coaxially arranged at the top of the intermediate cylinder 23, wherein the outer diameter of the bottom end of the conical flow dividing plate 24 is larger than the outer diameter of the intermediate cylinder 23 and smaller than the inner diameter of the discharging cylinder 20. In this way, the iron sand in the feed hopper is dispersed into each blanking cavity 200 through the conical flow dividing plate 24, and then guided to the corresponding sand feeding flow channel 100 on the guide coaming 10 from the guide groove plate 22 below each blanking cavity 200, so that a large amount of iron sand is prevented from falling into the sand feeding flow channel 100 of one or two of the iron sand feeding flow channels to affect the screening efficiency of the screen mesh, and the iron sand firstly passes through the buffer of the inner wall of the discharge cylinder 20 and then falls into the guide groove plate 22 through the action of the conical flow dividing plate 24, so that the impact force on the guide groove plate 22 can be reduced.
The connection position of the top of the guide chute 22 in this embodiment is set according to the relative position of the blanking chamber 200 and the corresponding sand feeding channel 100, such that the top of the guide chute 22 is located at the rear of the guiding direction thereof, for example, the top of the guide chute 22 relatively close to the blanking chamber 200 of the sand feeding channel 100 is connected to the bottom of the middle cylinder 23, and the top of the guide chute 22 relatively far from the blanking chamber 200 of the sand feeding channel 100 is connected to the bottom of the discharging cylinder 20.
For reducing the iron sand volume difference in each blanking chamber 200, can make simultaneously that the iron sand that pours into the feeder hopper can all fall down, reduce the clean problem that extravagant and the long-term accumulation of iron sand caused, the fixed driving motor 25 that is equipped with in intermediate section of thick bamboo 23, the vertical upward extension of output shaft of driving motor 25 is connected toper flow distribution plate 24, just be equipped with annular rail groove 26 on the intermediate section of thick bamboo 23 top outer wall, toper flow distribution plate 24 bottom is equipped with and annular rail groove 26 matched with slider 27, drives the iron sand through driving motor 25 drive toper flow distribution plate 24 plane rotation and disperses to each blanking chamber 200 in, and rotation speed is slow.
While the basic principles and main features of the invention and advantages of the invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a feed arrangement of iron sand sieve separator, includes the feeder hopper that the bottom has vertical ejection of compact section of thick bamboo and corresponds the guide bounding wall that sets up in the feeder hopper below and slope, the open, characterized by in guide bounding wall bottom:
a plurality of sand conveying flow passages formed by separating partition plates arranged at left and right intervals are arranged in the guide coaming, and each partition plate is provided with a movable plate for changing the left and right positions of iron sand in the corresponding sand conveying flow passage;
a plurality of blanking cavities formed by separating radially arranged isolation plates are arranged in the discharging cylinder, the bottom ends of the blanking cavities are respectively connected with guide groove plates which extend obliquely downwards to the tops of the corresponding sand conveying channels, and the number of the blanking cavities is matched with that of the sand conveying channels;
the discharging cylinder corresponds to the upper part of the top of the central axis of the material guiding coaming;
the radial inner ends of the isolating plates are respectively connected with an intermediate body, the intermediate bodies are vertically and fixedly arranged in the discharging cylinder through the isolating plates and are coaxially arranged with the discharging cylinder, and the isolating plates are uniformly arranged at intervals along the circumferential direction of the intermediate bodies;
the separation plates are symmetrically arranged left and right by taking the central axis of the material guiding coaming as an axis, a space between the two middle separation plates is set as a middle runner, sand conveying runners positioned at the left side of the middle runner are set as left runners respectively, and sand conveying runners positioned at the right side of the middle runner are set as right runners respectively;
the top ends of the movable plates in the left runners are hinged to the right-direction separation plates of the corresponding sand conveying runners, and the movable plates in the left runners are driven by the first driving piece to rotate around the hinged ends of the movable plates;
the top ends of the movable plates in the right runners are hinged to the left separating plates of the corresponding sand conveying runners, and the movable plates in the right runners are driven by the second driving piece to rotate around the hinged ends of the movable plates;
the first driving part comprises a first air cylinder fixedly arranged at the left side of the material guiding coaming and a first control rod connected with a piston rod of the first air cylinder, and first clamping plates for clamping corresponding movable plates are respectively arranged at positions of the first control rod corresponding to the movable plates in each left runner;
the second driving part comprises a second air cylinder fixedly arranged on the right side of the material guiding coaming and a second control rod connected with a piston rod of the second air cylinder, and second clamping plates for clamping corresponding movable plates are respectively arranged at positions of the second control rod corresponding to the movable plates in the left flow passages.
2. The feeding device of the iron sand screening machine according to claim 1, wherein the intermediate body is composed of an intermediate cylinder which is penetrated up and down and a conical flow dividing plate coaxially arranged at the top of the intermediate cylinder, and the outer diameter of the bottom end of the conical flow dividing plate is larger than the outer diameter of the intermediate cylinder and smaller than the inner diameter of the discharging cylinder.
3. The feeding device of the iron sand screening machine according to claim 2, wherein a driving motor is fixedly arranged in the middle cylinder, and an output shaft of the driving motor is vertically and upwardly connected with a conical splitter plate in an extending manner; the outer wall surface of the top of the middle cylinder is provided with an annular rail groove, and the bottom of the conical splitter plate is provided with a sliding block matched with the annular rail groove.
4. The feeding device of the iron sand screening machine according to claim 1, wherein a first telescopic baffle is connected between the top end of the movable plate in each left runner and the right-direction partition plate, a second telescopic baffle is connected between the top end of the movable plate in each right runner and the left-direction partition plate, and the first telescopic baffle and the second telescopic baffle are respectively attached to the bottom wall surface of the guide coaming.
5. The feeding device of the iron sand screening machine according to claim 1, wherein,
the opposite inner surfaces of the first clamping plates are respectively combined with a first roller, the central shaft of the first roller is perpendicular to the bottom wall surface of the material guiding coaming, and the rolling peripheral surface of the first roller is in rolling fit with the movable plate;
the second rollers are respectively combined on the opposite inner surfaces of the second clamping plates, the central shafts of the second rollers are perpendicular to the bottom wall surface of the guide coaming, and the rolling peripheral surfaces of the second rollers are in rolling fit with the movable plates.
6. The feeding device of the iron sand screening machine according to claim 5, wherein limit grooves are respectively formed in the tops of two lateral surfaces of each movable plate in the width direction, and the limit grooves are abutted against the upper disc surface and the lower disc surface of the first roller or the upper disc surface and the lower disc surface of the second roller at corresponding positions.
7. The feeder of claim 1, wherein the center line of the first control rod and the center line of the second control rod are on the same straight line, the right portion of the first control rod and the left portion of the second control rod extend to above the middle runner, respectively, and the right portion of the first control rod and the left portion of the second control rod are of an inner and outer sleeve structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117573.0A CN108246617B (en) | 2018-02-06 | 2018-02-06 | Feeding device of iron sand screening machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810117573.0A CN108246617B (en) | 2018-02-06 | 2018-02-06 | Feeding device of iron sand screening machine |
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| CN108246617A CN108246617A (en) | 2018-07-06 |
| CN108246617B true CN108246617B (en) | 2023-08-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110949759B (en) * | 2019-12-03 | 2021-08-10 | 中山天聚自动化输送设备有限公司 | Dismounting combination sorting type blanking disc |
| CN113070212B (en) * | 2021-04-01 | 2022-09-13 | 枣庄学院 | Magnetic material automatic production line structure |
| CN115382783A (en) * | 2022-09-05 | 2022-11-25 | 重庆电子工程职业学院 | Artificial intelligence sorting device |
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| CN206782513U (en) * | 2017-04-07 | 2017-12-22 | 连云港恒奥达肥料科技有限公司 | A kind of feeding structure of fertilizer production device |
| CN206866101U (en) * | 2017-04-27 | 2018-01-12 | 四川来金燕食品有限公司 | A kind of soybean storage facilities |
| CN206858539U (en) * | 2017-05-13 | 2018-01-09 | 湖南省金顶实业有限公司 | Vinegar fermented grain material blending device is used in a kind of vinegar processing |
| CN208066740U (en) * | 2018-02-06 | 2018-11-09 | 泉州市五虎山冶金粉末有限公司 | A kind of feeding equipment of iron sand screening machine |
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| CN108246617A (en) | 2018-07-06 |
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