CN115921285A - Sieving mechanism is used in material metallography - Google Patents
Sieving mechanism is used in material metallography Download PDFInfo
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- CN115921285A CN115921285A CN202310237731.7A CN202310237731A CN115921285A CN 115921285 A CN115921285 A CN 115921285A CN 202310237731 A CN202310237731 A CN 202310237731A CN 115921285 A CN115921285 A CN 115921285A
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Abstract
The invention discloses a screening device for material metallographic detection, and mainly relates to the field of material screening. Including setting up the screening mechanism in the casing, the top installation of casing is provided with the apron, be equipped with the feed inlet on the apron, the bottom of casing is equipped with qualified discharge gate, one side of screening mechanism rotates with the inside wall of casing to be connected, there is the slider along lateral sliding connection on the apron, be equipped with the lifter on the slider, the lifter is along vertical and apron sliding connection, the tip of lifter rotates and is connected with tray device, tray device and the bottom sliding contact of screening mechanism, be equipped with drive slider along lateral sliding and the vertical gliding actuating mechanism of lifter on the apron, one side of casing is equipped with the coarse fodder discharge gate that the cooperation screening mechanism used. The invention has the beneficial effects that: the efficiency and the quality of sieving the material for improving the sieving device.
Description
Technical Field
The invention relates to the field of material screening, in particular to a screening device for material metallographic detection.
Background
The metallographic detection is mainly to determine the three-dimensional morphology of an alloy structure by adopting a quantitative metallographic principle and applying the measurement and calculation of a metallographic microstructure of a ground surface or a film of a two-dimensional metallographic specimen, so as to establish a quantitative relation among the components, the structure and the performance of the alloy. The first step of metallographic detection is sampling, the size of a sample is usually determined to be convenient to hold and easy to grind, and the recommended size is a cylinder with the diameter of 15mm and the height of 15-20mm or a cube with the side length of 15-25mm, and the metallographic detection of the material is completed through the procedures of coarse grinding of the sample, fine grinding of the sample, polishing of the sample and the like. The tradition adopts artifical screening material to take a sample, screening efficiency hangs down, need use screening mechanism to carry out quick accurate sieving to the material, current screening mechanism is generally including setting up the screening mechanism in the casing, the top installation of casing is provided with the apron, be equipped with the feed inlet on the apron, the bottom of casing is equipped with qualified discharge gate, pour the material into from the feed inlet, sieve the material through screening mechanism, block the unqualified material of size, the material that the size is qualified then passes through screening mechanism from the discharge gate roll-off, but along with the lapse of screening time, too much unqualified material of size will stop on screening mechanism, block that the material that the size is qualified passes through screening mechanism, influence the subsequent efficiency and the quality of sieving of device, in addition, when the unqualified material of size piles up too much and causes on a large scale the jam, need stop to sieve and clear up the material on the device that sieves and just can normally sieve, the efficiency of screening mechanism has been influenced. Consequently, prior art is to the improvement scheme of above-mentioned problem, generally through the reciprocating motion drive material shake of vertical direction or horizontal direction, avoids the material to block up screening mechanism, keeps higher screening efficiency, but along with going on of screening, unqualified large granule material is not cleared up in time, still can cause the interference of large granule material to screening mechanism, and the screening efficiency in screening later stage compares in earlier stage greatly reduced for holistic screening efficiency remains further to be improved.
Disclosure of Invention
The invention aims to provide a screening device for material metallographic detection, which is used for improving the efficiency and quality of material screening.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a material is sieving mechanism for metallographic detection, is including setting up the screening mechanism in the casing, the top installation of casing is provided with the apron, be equipped with the feed inlet on the apron, the bottom of casing is equipped with qualified discharge gate, one side of screening mechanism rotates with the inside wall of casing to be connected, there is the slider along lateral sliding connection on the apron, be equipped with the lifter on the slider, the lifter is along vertical and apron sliding connection, the tip of lifter rotates and is connected with the tray device, the bottom sliding contact of tray device and screening mechanism, be equipped with the drive slider on the apron along lateral sliding and the vertical gliding actuating mechanism of lifter, one side of casing is equipped with the coarse fodder discharge gate that cooperation screening mechanism used.
Further, screening mechanism includes and rotates the horizontal screen cloth of being connected with the casing inboard, what the symmetry was equipped with on the horizontal screen cloth erects the screen cloth, and two perpendicular screen cloths have separated the region above the horizontal screen cloth into coarse sieve room and two fine sieve rooms.
Furthermore, the vertical screen is arc-shaped, and two sides of the vertical screen and the transverse screen are respectively provided with a coarse screen hole and a fine screen hole.
Furthermore, the qualified discharge port comprises a fine material discharge port and a fine material discharge port, the position of the coarse material discharge port corresponds to the coarse screening chamber, and the position of the fine material discharge port corresponds to the fine screening chamber.
Furthermore, the bottom of the coarse screen chamber is also provided with fine screen holes.
Furthermore, two ends of the coarse screen chamber are provided with clapboards.
Furthermore, the top of lifter is equipped with vertical spacing groove, slider and spacing groove sliding connection, the symmetry is equipped with the slide rail on the apron, the slider bottom is equipped with the spout with slide rail sliding connection.
Furthermore, the slide rail is connected with a plurality of rollers in a rotating mode, and the top of the sliding groove is provided with a wheel groove which is in contact with the rollers.
Further, actuating mechanism is including setting up the horizontal cylinder on the apron, the expansion end and the slider of horizontal cylinder are connected, actuating mechanism is still including setting up the vertical cylinder on the slider, the expansion end and the lifter of vertical cylinder are connected.
Furthermore, a fixing groove is formed in the top of the lifting rod, and the sliding block is fixed in the fixing groove.
Furthermore, the cover plate is connected with a lifting block along the vertical direction in a sliding mode, a transverse groove is transversely formed in the upper edge of the lifting block, and the sliding block slides in the transverse groove.
Furthermore, a sliding rod is vertically arranged on the upper edge of the cover plate, the cross section of the sliding rod is T-shaped, and a groove in sliding connection with the T-shaped structure is formed in the lifting block.
Furthermore, a vertical cylinder is arranged on the cover plate, the lifting block is fixed at the movable end of the vertical cylinder, a transverse cylinder is arranged on the lifting block, and the sliding block is fixed at the movable end of the transverse cylinder.
Furthermore, an arc-shaped groove is formed in the cover plate, and the sliding block is connected in the arc-shaped groove in a sliding mode.
Furthermore, the cover plate is provided with a transverse cylinder, the movable end of the transverse cylinder is provided with a push block, the push block is connected with a push rod along the vertical sliding direction, and the slide block is rotatably connected with the push rod.
Further, the tray device comprises a tray which is rotatably connected to the end of the lifting rod, the tray is slidably connected with the screening mechanism, and the tray is rotatably connected with a plurality of steel balls which are in rolling contact with the screening mechanism.
Further, the tray device comprises a tray which is rotatably connected to the end of the lifting rod, the tray is slidably connected with the screening mechanism, and a plurality of wheel shafts which are in rolling contact with the screening mechanism are rotatably connected to the side face of the tray.
Furthermore, arc-shaped chutes are arranged at the coarse material discharge port and the qualified discharge port.
Furthermore, a material guide groove communicated with the material inlet is arranged in the shell and extends to the upper part of the screening mechanism.
Further, the bottom of screening mechanism is equipped with the buffer board, the buffer board sets up in the below of fine screen room and is the arc.
Compared with the prior art, the invention has the beneficial effects that:
1. one side of the screening mechanism is rotatably connected with the inner side wall of the shell, so that the screening mechanism is inclined and shaken to drive large and small qualified materials to slide out of the qualified discharge port through the screening mechanism, meanwhile, large granular materials continuously move to the inclined side, finally, the screening mechanism falls down to enter the coarse material discharge port, the effects of screening and distributing materials are achieved, the large granular materials are cleaned in time, the large granular materials are prevented from staying on the screening mechanism to block the large and small qualified materials from passing through the screening mechanism, and the screening efficiency and quality of the screening mechanism are improved;
2. secondly, each rotation of the screening mechanism drives the materials to be displaced in the inclined direction in a small range on the screening mechanism, so that even if the screening is carried out in the later stage, more large-particle materials cannot be left on the screening mechanism, the situation that the screening mechanism is blocked does not exist, the screening effect is kept better and consistent in the early stage and the later stage of the screening, and the whole screening efficiency is further improved;
3. the cover plate is connected with a sliding block in a transverse sliding mode, the sliding block is provided with a lifting rod, the end part of the lifting rod is connected with a tray device which is in sliding contact with the bottom of the screening mechanism in a rotating mode, the driving mechanism drives the sliding block to slide in the transverse sliding mode and the lifting rod to slide in the vertical sliding mode, the lifting rod drives the screening mechanism to rotate relative to the shell, the inclined shaking effect is achieved, the effect of screening while material distribution is achieved, and the screening efficiency and the quality of the screening mechanism are improved;
4. through the coarse sieve mesh and the fine sieve mesh which are respectively arranged on the vertical sieve mesh and the horizontal sieve mesh, the material is separated into the material with the size suitable for the material between the metallographic detection interval, the material with undersize particles and the material with oversized particles, so that the quality of the material sieved by the screening mechanism is improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 isbase:Sub>A cross-sectional view taken along the linebase:Sub>A-base:Sub>A of fig. 1 in accordance with the present invention.
FIG. 3 is a schematic structural view of the coarse material outlet of the present invention.
Figure 4 is an isometric view of the roller of the present invention.
FIG. 5 is a schematic view of the structure of the roller of the present invention.
Fig. 6 is a schematic structural view of the lifting block of the present invention.
Figure 7 is an isometric view of the elevator block of the present invention.
FIG. 8 is a schematic structural diagram of the steel ball of the present invention.
Figure 9 is a schematic view of the construction of the axle of the present invention.
FIG. 10 is a schematic view of the construction of an arcuate slot of the present invention.
Reference numerals shown in the drawings:
1. a housing; 2. a cover plate; 3. a feed inlet; 4. qualified discharge port; 5. a slider; 6. a lifting rod; 7. a coarse material outlet; 8. a transverse screen; 9. erecting a screen; 10. a coarse screening chamber; 11. a fine screen chamber; 12. coarse screening holes; 13. fine mesh; 14. a fine material discharge port; 15. a fine material discharge hole; 16. a partition plate; 17. a limiting groove; 18. a slide rail; 19. a roller; 20. a transverse cylinder; 21. a vertical cylinder; 22. a lifting block; 23. a transverse groove; 24. a slide bar; 25. an arc-shaped slot; 26. a push rod; 27. a push block; 28. a tray; 29. steel balls; 30. a wheel axle; 31. a chute; 32. a material guide chute; 33. a buffer plate.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The invention provides a screening device for material metallographic detection, which comprises a screening mechanism arranged in a shell 1, wherein a cover plate 2 is arranged at the top of the shell 1, a feed inlet 3 is arranged on the cover plate 2, a qualified discharge outlet 4 is arranged at the bottom of the shell 1, materials are poured in from the feed inlet 3, the materials are screened by the screening mechanism, large-particle materials are blocked, and large-size qualified materials slide out from the qualified material discharge outlet 4 through the screening mechanism, so that the screening function of a material foundation is realized; one side of the screening mechanism is rotatably connected with the inner side wall of the shell 1, a sliding block 5 is connected to the cover plate 2 in a transverse sliding mode, a lifting rod 6 is arranged on the sliding block 5, the lifting rod 6 is vertically and slidably connected with the cover plate 2, the end part of the lifting rod 6 is rotatably connected with a tray device, the tray device is in sliding contact with the bottom of the screening mechanism, a driving mechanism for driving the sliding block 5 to slide in the transverse direction and slide in the vertical direction of the lifting rod 6 is arranged on the cover plate 2, a coarse material discharging port 7 matched with the screening device is arranged on one side of the shell 1, the sliding block 5 is driven to slide in the transverse direction and slide in the vertical direction of the lifting rod 6 through the driving mechanism, the screening mechanism is driven to rotate continuously, the effect of oblique shaking is achieved, large and small materials are enabled to slide out from the qualified discharging port 4 through the screening mechanism, large and granular materials move continuously to the oblique side, finally the screening mechanism falls down to enter the coarse material discharging port 7, the effect of material distributing while screening is achieved, the large and small and large and small materials are prevented from stopping on the screening mechanism and passing through the screening mechanism, the screening efficiency and the quality of the screening mechanism are improved; secondly, screening mechanism realizes the slope shake through rotating, and rotation each time of screening mechanism will drive the material displacement to the incline direction of the small-amplitude in screening mechanism, even the screening goes on the later stage, can not remain more large granule material in the screening mechanism yet, does not have the condition of blockking up screening mechanism yet for screening earlier stage and later stage all keep better and unanimous screening effect, make holistic screening efficiency obtain further improvement.
Preferably, screening mechanism includes the cross screen 8 of being connected with the inboard rotation of casing 1, the symmetry is equipped with perpendicular screen cloth 9 on the cross screen 8, and two perpendicular screen cloths 9 have separated into coarse screening room 10 and two fine screening rooms 11 with the region of cross screen cloth 8 top, and the material gets into the coarse screening room 10 on the screening mechanism at first after getting into from feed inlet 3, through the slope shake of screening mechanism for the material that the size is qualified gets into fine screening room 11 through erecting screen cloth 9, and the rethread cross screen cloth 8 sieves away too little material, leaves the material that the size is applicable to between the metallographic examination section and follows qualified discharge gate 4 roll-off.
Preferably, erect screen cloth 9 and be the arc, curved structure makes the material more easy and erect screen cloth 9 contact, be equipped with coarse mesh 12 and fine mesh 13 on erecting screen cloth 9 and horizontal screen cloth 8's the both sides respectively, specific coarse mesh 12 size is slightly greater than the maximum value that is suitable for the metallographic detection material for sieve too big material, and specific fine mesh 13 size is slightly less than the minimum that is suitable for the metallographic detection material for sieve the material of undersize.
Preferably, the qualified discharge port 4 comprises a fine material discharge port 14 and a fine material discharge port 15, the position of the coarse material discharge port 7 corresponds to the coarse screen chamber 10, so that large-particle materials in the coarse screen chamber 10 enter the coarse material discharge port 7 to slide out through the inclined shaking of the screening mechanism, and the position of the fine material discharge port 15 corresponds to the fine screen chamber 11, so that materials with proper size in the fine screen chamber 11 enter the fine material discharge port 15 to slide out through the inclined shaking of the screening mechanism.
Preferably, the bottom of the coarse screen chamber 10 is also provided with the fine screen holes 13, so that when the material enters the coarse screen chamber 10, the material with the undersize is preferentially filtered through the fine screen holes 13 arranged at the bottom, and the screening efficiency and quality are improved.
Preferably, the two ends of the coarse screening chamber 10 are provided with partition plates 16, the specific height is slightly larger than the maximum value of the material suitable for metallographic detection, the material smaller than the maximum value suitable for metallographic detection is intercepted, the material is prevented from sliding out of the coarse material discharge port 7, and the screening quality is further improved.
Preferably, the top of lifter 6 is equipped with vertical spacing groove 17, slider 5 and spacing groove 17 sliding connection, one comes to slide to lifter 6 in vertical direction and plays spacing effect, prevents that lifter 6 from breaking away from slider 5, two comes to slide to lifter 6 in vertical direction and play the effect of direction, and three lifter 6 can follow slider 5 and transversely slide together, the symmetry is equipped with slide rail 18 on the apron 2, slider 5 bottom is equipped with the spout with 18 sliding connection of slide rail for slider 5 is more smooth and easy along transversely sliding on apron 2, prevents its cunning partially simultaneously.
Preferably, a plurality of rollers 19 are rotatably connected to the slide rail 18, a wheel groove in contact with the roller 19 is formed in the top of the slide groove, the roller 19 is in contact with the wheel groove and is directly in contact with the slide rail 18, the contact area and the friction coefficient are smaller, and therefore the sliding block 5 can better slide on the cover plate 2.
Preferably, the driving mechanism comprises a transverse cylinder 20 arranged on the cover plate 2, the movable end of the transverse cylinder 20 is connected with the sliding block 5, the driving mechanism further comprises a vertical cylinder 21 arranged on the sliding block 5, the movable end of the vertical cylinder 21 is connected with the lifting rod 6, the sliding block 5 is driven to transversely slide on the cover plate 2 by the transverse cylinder 20, the lifting rod 6 is driven to slide in the vertical direction by the vertical cylinder 21, and the cylinder has the advantages of compact structure, small size, large load, rapid action, quick response, good working environment adaptability and the like, and is suitable for the driving mechanism of the screening mechanism.
Preferably, the top of lifter 6 is equipped with the fixed slot, slider 5 is fixed in the fixed slot for lifter 6 slides along with slider 5 in the transverse direction and then slides, prevents 6 roll-off sliders 5 of lifter simultaneously.
Preferably, there is elevating block 22 along vertical sliding connection on apron 2, transversely be equipped with transverse groove 23 on elevating block 22, slider 5 slides in transverse groove 23, drive slider 5 through elevating block 22 and slide in vertical direction, and then drive lifter 6 and slide in vertical direction, the transverse groove 23 that is equipped with can restrict slider 5's slip, have fine guide effect and make its slip more smooth and easy at transverse sliding to slider 5 simultaneously, in addition, slider 5 will drive lifter 6 and slide along perpendicular direction and transverse direction simultaneously, make lifter 6 drive screening mechanism make a round trip to rotate in casing 1, realize screening mechanism's slope shake, thereby improve screening mechanism's efficiency and quality.
Preferably, the apron 2 is gone up along the vertical slide bar 24 that is equipped with, the cross section of slide bar 24 is the T type, be equipped with on the elevator 22 with T type structure sliding connection's recess, through the sliding fit of recess and T type structure for elevator 22 has fine guide effect in vertical slip, prevents its skew track, also enables its gliding more smoothly simultaneously.
Preferably, be equipped with vertical cylinder 21 on the apron 2, the expansion end at vertical cylinder 21 is fixed to elevator 22, be equipped with horizontal cylinder 20 on the elevator 22, slider 5 is fixed at the expansion end of horizontal cylinder 20, and the cylinder has advantages such as compact structure, small in size, load are big, the action is rapid, the reaction is fast, operational environment adaptability is good, is applicable to the actuating mechanism of screening mechanism.
Preferably, be equipped with arc wall 25 on the apron 2, 5 sliding connection of slider are in arc wall 25 for slider 5 drives lifter 6 and slides in arc wall 25, and then lifter 6 drives screening mechanism and makes a round trip to rotate in casing 1, realizes screening mechanism slope shake, thereby improves the efficiency and the quality of screening mechanism.
Preferably, be equipped with horizontal cylinder 20 on apron 2, the cylinder has advantages such as compact structure, small in size, load is big, the action is rapid, the reaction is fast, operational environment adaptability is good, the expansion end of horizontal cylinder 20 is equipped with ejector pad 27, there is push rod 26 along vertical sliding connection on the ejector pad 27, slider 5 rotates with push rod 26 to be connected, through promoting ejector pad 27 at lateral sliding, drives sliding connection's in ejector pad 27 push rod 26 lateral sliding, and then pulls push rod 26 to rotate slider 5 of connecting and slide in arc wall 25, and slider 5 drives lifter 6 relative movement for lifter 6 drives screening mechanism and makes a round trip to rotate in casing 1, realizes screening mechanism's slope shake, thereby improves the efficiency and the quality of screening mechanism.
Preferably, the tray device comprises a tray 28 rotatably connected to the end of the lifting rod 6, the tray 28 is slidably connected with the screening mechanism, the tray 28 is rotatably connected with a plurality of steel balls 29 in rolling contact with the screening mechanism, and the tray 28 can be better slidably connected with the screening mechanism by reducing the contact area and the friction coefficient of the tray 28 and the screening mechanism.
Preferably, the tray device comprises a tray 28 rotatably connected to the end of the lifting rod 6, the tray 28 is slidably connected to the screening mechanism, a plurality of axles 30 in rolling contact with the screening mechanism are rotatably connected to the side of the tray 28, and the tray 28 can be better slidably connected to the screening mechanism by reducing the contact area and friction coefficient of the tray 28 and the screening mechanism.
Preferably, coarse fodder discharge gate 7 and qualified discharge gate 4 department all are equipped with curved chute 31, and curved chute 31 surface has the inclination and smooth, can be better make the material from coarse fodder discharge gate 7 and qualified discharge gate in roll-off, prevent that its roll-off from slowly causing the jam of coarse fodder discharge gate 7 and qualified discharge gate 4, influence the screening efficiency of device.
Preferably, be equipped with the baffle box 32 of intercommunication feed inlet 3 in the casing 1, baffle box 32 extends to the upper portion of screening mechanism, and the effect that plays the direction on the screening mechanism is entered into from feed inlet 3 to the material for the material gets into the screening mechanism and is in the highest end after the slope of screening mechanism, prevents that the material from getting into the screening mechanism after directly being located the screening mechanism the lowest end make the material not through the screening just fall down screening mechanism from coarse fodder discharge gate 7 roll-off, influence the screening quality of screening mechanism.
Preferably, the bottom of screening mechanism is equipped with buffer board 33, buffer board 33 sets up in the below of fine screen room 11 and is the arc, plays the effect of buffering to the material that enters into 1 bottom of casing through screening mechanism, prevents that it from falling from the eminence and causing the damage of knocking by of surface, influences the result that the metallography detected.
Example 1
The invention provides a screening device for material metallographic detection, as shown in fig. 1-10, a lifting rod 6 is arranged on a sliding block 5 sliding along a cover plate 2, the lifting rod 6 is connected with the cover plate 2 in a sliding manner along the vertical direction, the end part of the lifting rod 6 is rotatably connected with a tray device in sliding contact with the bottom of a screening mechanism, one side of the screening mechanism is rotatably connected with the inner side wall of a shell 1, materials enter the screening mechanism from a feed inlet 3 arranged on the cover plate 2 at the top of the shell 1, the sliding block 5 is driven to slide transversely and the lifting rod 6 slides vertically by a driving mechanism to drive the screening mechanism to rotate continuously, so that the effect of oblique shaking is achieved, the materials with qualified sizes slide out from a qualified discharge port 4 by the screening mechanism, the materials with large particles move towards the oblique side continuously, and finally the screening mechanism falls down to enter a coarse material discharge port 7, the effect of material distribution while screening is achieved, the large particles are prevented from staying on the screening mechanism to block the large and small materials from passing through the screening mechanism, and the screening efficiency and the quality of the screening mechanism are improved; secondly, screening mechanism realizes the slope shake through rotating, and rotation each time of screening mechanism will drive the material displacement to the incline direction of the small-amplitude in screening mechanism, even the screening goes on the later stage, can not remain more large granule material in the screening mechanism yet, does not have the condition of blockking up screening mechanism yet for screening earlier stage and later stage all keep better and unanimous screening effect, make holistic screening efficiency obtain further improvement.
Example 2
On the basis of embodiment 1, the screening mechanism comprises a transverse screen 8 rotatably connected with the inner side of the shell 1, an arc-shaped vertical screen 9 is symmetrically arranged on the transverse screen 8, the two vertical screens 9 divide the area above the transverse screen 8 into a coarse screen chamber 10 and two fine screen chambers 11, materials enter from the feed inlet 3 and then pass through a guide chute 32 connected with the feed inlet 3, firstly enter the inclined highest end of the coarse screen chamber 10 of the screening mechanism, and through the inclined shaking of the screening mechanism, the materials with qualified sizes enter the fine screen chambers 11 through the coarse screen holes 12 arranged on the vertical screens 9, the materials with undersize sizes fall onto a buffer plate 33 arranged below the screening mechanism through the fine screen holes 13 arranged at the bottom of the coarse screen chamber 10, then slide down the buffer plate 33 to enter an arc-shaped chute 31 arranged at the bottom of the shell 1, and slide out through a fine material discharge hole 14 connected with the arc-shaped chute 31; the material entering the fine screen chamber 11 is screened by the fine screen holes 13 arranged on the transverse screen 8 to remove smaller materials, the material with qualified size and the oversize material left after being screened by the coarse screen chamber 10 are shaken by the inclination of the screening device and continuously move towards the lower part of the screening mechanism, and finally fall into the arc chute 31 communicated with the fine material discharge port 15 and the coarse material discharge port 7 respectively and slide out of the arc chute, and the qualified material mixed in the oversize material left after being screened by the coarse screen chamber 10 is blocked by the partition plate 16 arranged on the coarse screen chamber 10 to be prevented from sliding out of the coarse material discharge port 7, so that the screening quality is improved.
Example 3
On the basis of embodiment 1, vertical spacing groove 17 has been seted up at the top of lifter 6, slider 5 is along with spacing groove 17 sliding connection, the symmetry is equipped with slide rail 18 on apron 2, and set up the spout with slide rail 18 sliding connection in slider 5 bottom, furthermore, rotate on slide rail 18 and connect a plurality of gyro wheels 19, the race that contacts with gyro wheel 19 is seted up at the top of spout, slide on slide rail 18 through the horizontal cylinder 20 drive slider 5 that sets up on apron 2, slide along vertical direction through the vertical cylinder 21 drive lifter 6 that sets up on slider 5, and slider 5 drives lifter 6 and slides along the horizontal direction simultaneously, thereby drive screening mechanism at casing 1 internal rotation, and then realize the slope shake of screening mechanism, promote the efficiency and the quality of screening mechanism.
Example 4
On the basis of the embodiment 1, the cover plate 2 is vertically and slidably connected with the lifting block 22, the lifting block 22 is provided with a groove which is slidably connected with the T-shaped structure of the sliding rod 24, and the lifting block 22 can slide vertically to have a good guiding effect by the sliding fit of the groove and the T-shaped structure, so that the lifting block is prevented from deviating from a track; a transverse groove 23 is transversely arranged on the lifting block 22, so that the sliding block 5 can slide in the transverse groove 23; be equipped with the fixed slot at the top of lifter 6, let slider 5 fix in the fixed slot, make lifter 6 slide and then slide at the transverse direction along with slider 5, prevent 6 roll-off slider 5 of lifter simultaneously, it slides along perpendicular direction to be equipped with vertical cylinder 21 drive elevator 22 on 2 through the apron, and then drive slider 5 and lifter 6 and slide at vertical direction, slide at the transverse direction through setting up transverse cylinder 20 drive slider 5 on elevator 22, and then drive lifter 6 and slide at the transverse direction and drive screening mechanism at 1 internal rotation of casing, and then realize the slope shake of screening mechanism, promote the efficiency and the quality of screening mechanism.
Example 5
On embodiment 1's basis, be equipped with the arc wall 25 on the apron 2, 5 sliding connection of slider are in the spout, drive ejector pad 27 at the lateral sliding through the horizontal cylinder 20 that is equipped with on the apron 2, thereby drive the push rod 26 lateral sliding in the ejector pad 27, and then pull the slider 5 that push rod 26 rotated the connection and slide in arc wall 25, slider 5 drives lifter 6 relative movement again, make lifter 6 drive screening mechanism make a round trip to rotate in casing 1, realize screening mechanism's slope shake, thereby improve the efficiency and the quality of screening mechanism.
Example 6
On the basis of embodiment 1, the tray device includes that the tray 28 of rotation connection at the lifter 6 tip, tray 28 and screening mechanism sliding connection, rotate on the tray 28 and be connected with a plurality of steel balls 29 with screening mechanism rolling contact for tray 28 can be better with screening mechanism sliding connection through reducing the contact area and the coefficient of friction of tray 28 and screening mechanism.
Example 7
On the basis of embodiment 1, the tray device comprises a tray 28 rotatably connected to the end of the lifting rod 6, the tray 28 is slidably connected with the screening mechanism, the side surface of the tray 28 is rotatably connected with a plurality of wheel shafts 30 in rolling contact with the screening mechanism, and the tray 28 can be better slidably connected with the screening mechanism by reducing the contact area and the friction coefficient of the tray 28 and the screening mechanism.
Claims (20)
1. The utility model provides a material metallography detects uses sieving mechanism, is including setting up the screening mechanism in casing (1), the top of casing (1) is provided with apron (2), be equipped with feed inlet (3) on apron (2), the bottom of casing (1) is equipped with qualified discharge gate (4), its characterized in that: one side of screening mechanism rotates with the inside wall of casing (1) to be connected, there is slider (5) apron (2) to go up along lateral sliding connection, be equipped with lifter (6) on slider (5), lifter (6) are along vertical and apron (2) sliding connection, the tip of lifter (6) rotates and is connected with the tray device, the bottom sliding contact of tray device and screening mechanism, be equipped with drive slider (5) on apron (2) along lateral sliding and lifter (6) vertical gliding actuating mechanism, one side of casing (1) is equipped with coarse fodder discharge gate (7) that the cooperation screening mechanism used.
2. The screening device for material metallographic detection according to claim 1, wherein: screening mechanism includes horizontal screen cloth (8) of being connected with casing (1) inboard rotation, what be symmetrical on horizontal screen cloth (8) is equipped with perpendicular screen cloth (9), and two perpendicular screen cloth (9) have separated the region above horizontal screen cloth (8) into coarse screening room (10) and two fine screening rooms (11).
3. The screening device for material metallographic detection according to claim 2, wherein: the vertical screen (9) is arc-shaped, and the two sides of the vertical screen (9) and the transverse screen (8) are respectively provided with a coarse screen hole (12) and a fine screen hole (13).
4. The screening device for material metallographic detection according to claim 2, wherein: the qualified discharge port (4) comprises a fine material discharge port (14) and a fine material discharge port (15), the position of the coarse material discharge port (7) corresponds to the coarse screen chamber (10), and the position of the fine material discharge port (15) corresponds to the fine screen chamber (11).
5. The screening device for material metallographic detection according to claim 3, wherein: the bottom of the coarse screen chamber (10) is also provided with fine screen holes (13).
6. The screening device for material metallographic detection according to claim 2, wherein: two ends of the coarse screen chamber (10) are provided with clapboards (16).
7. The screening device for material metallographic detection according to claim 1, wherein: the top of lifter (6) is equipped with vertical spacing groove (17), slider (5) and spacing groove (17) sliding connection, the symmetry is equipped with slide rail (18) on apron (2), slider (5) bottom is equipped with the spout with slide rail (18) sliding connection.
8. The screening device for material metallographic detection according to claim 7, wherein: the sliding rail (18) is connected with a plurality of idler wheels (19) in a rotating mode, and the top of the sliding groove is provided with a wheel groove which is in contact with the idler wheels (19).
9. The screening device for material metallographic detection according to claim 8, wherein: actuating mechanism is including setting up horizontal cylinder (20) on apron (2), the expansion end and the slider (5) of horizontal cylinder (20) are connected, actuating mechanism is still including setting up vertical cylinder (21) on slider (5), the expansion end and the lifter (6) of vertical cylinder (21) are connected.
10. The screening device for material metallographic detection according to claim 1, wherein: the top of lifter (6) is equipped with the fixed slot, slider (5) are fixed in the fixed slot.
11. The screening device for material metallographic detection according to claim 10, wherein: the cover plate (2) is connected with a lifting block (22) along the vertical sliding direction, a transverse groove (23) is transversely formed in the upper edge of the lifting block (22), and the sliding block (5) slides in the transverse groove (23).
12. The screening device for material metallographic detection according to claim 11, wherein: the cover plate (2) is vertically provided with a sliding rod (24), the cross section of the sliding rod (24) is T-shaped, and a groove in sliding connection with the T-shaped structure is formed in the lifting block (22).
13. The screening device for material metallographic detection according to claim 12, wherein: be equipped with vertical cylinder (21) on apron (2), the expansion end at vertical cylinder (21) is fixed in elevator (22), be equipped with horizontal cylinder (20) on elevator (22), the expansion end at horizontal cylinder (20) is fixed in slider (5).
14. The screening device for material metallographic detection according to claim 10, wherein: the cover plate (2) is provided with an arc-shaped groove (25), and the sliding block (5) is connected in the arc-shaped groove (25) in a sliding mode.
15. The screening device for material metallographic detection according to claim 14, wherein: be equipped with horizontal cylinder (20) on apron (2), the expansion end of horizontal cylinder (20) is equipped with ejector pad (27), there is push rod (26) along vertical sliding connection on ejector pad (27), slider (5) rotate with push rod (26) and are connected.
16. The screening device for material metallographic detection according to claim 1, wherein: the tray device comprises a tray (28) which is rotatably connected to the end of the lifting rod (6), the tray (28) is slidably connected with the screening mechanism, and a plurality of steel balls (29) which are in rolling contact with the screening mechanism are rotatably connected to the tray (28).
17. The screening device for material metallographic detection according to claim 1, wherein: the tray device comprises a tray (28) which is rotatably connected to the end part of the lifting rod (6), the tray (28) is in sliding connection with the screening mechanism, and the side surface of the tray (28) is rotatably connected with a plurality of wheel shafts (30) which are in rolling contact with the screening mechanism.
18. The screening device for material metallographic detection according to claim 1, wherein: and arc-shaped chutes (31) are arranged at the coarse material discharge port (7) and the qualified discharge port (4).
19. The screening device for material metallographic detection according to claim 1, wherein: a guide chute (32) communicated with the feed port (3) is arranged in the shell (1), and the guide chute (32) extends to the upper part of the screening mechanism.
20. The screening device for material metallographic detection according to claim 2, wherein: the bottom of screening mechanism is equipped with buffer board (33), buffer board (33) set up in the below of fine screen room (11) and be the arc.
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| CN202310237731.7A CN115921285B (en) | 2023-03-14 | 2023-03-14 | Screening device for metallographic detection of materials |
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| CN202310237731.7A CN115921285B (en) | 2023-03-14 | 2023-03-14 | Screening device for metallographic detection of materials |
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| CN115921285B CN115921285B (en) | 2023-05-12 |
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| US20150239152A1 (en) * | 2014-02-25 | 2015-08-27 | Zhejiang Future Machinery Co., Ltd. | Dry Granulator |
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| CN115921285B (en) | 2023-05-12 |
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