CN221208901U - Sand material sieving mechanism for building engineering - Google Patents
Sand material sieving mechanism for building engineering Download PDFInfo
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- CN221208901U CN221208901U CN202323049304.0U CN202323049304U CN221208901U CN 221208901 U CN221208901 U CN 221208901U CN 202323049304 U CN202323049304 U CN 202323049304U CN 221208901 U CN221208901 U CN 221208901U
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- 239000004576 sand Substances 0.000 title claims abstract description 61
- 238000007873 sieving Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 title claims description 15
- 238000012216 screening Methods 0.000 claims abstract description 136
- 230000033001 locomotion Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000007599 discharging Methods 0.000 claims description 38
- 238000010276 construction Methods 0.000 claims description 14
- 239000011265 semifinished product Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 description 8
- 241000220317 Rosa Species 0.000 description 5
- 239000000428 dust Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
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Abstract
The utility model relates to a sand screening device for constructional engineering, and belongs to the technical field of constructional engineering. Including the box, the top of box is provided with the feed inlet that is linked together with the box inner chamber, the bottom of box is provided with the discharge gate C that is linked together with the box inner chamber, the bottom of box is provided with multiunit supporting leg, still including last screening subassembly and the lower screening subassembly that sets up in the box inner chamber, go up screening subassembly and the left end of screening subassembly down all are connected with the telescopic ejection of compact subassembly of fixing on the box outer wall, be used for the semi-manufactured goods of branch specification discharge screening, go up screening subassembly and the right-hand member of screening subassembly down all are connected with the screening drive arrangement transmission of fixing on the box outer wall, screening drive arrangement is used for driving and goes up screening subassembly and lower screening subassembly and do left and right sides alternating reciprocating motion. The beneficial effects are as follows: through optimizing the design of sieving mechanism, realized that drive screening subassembly and lower screening subassembly do left and right sides alternating type reciprocating motion, make the structure more stable, screening effect better.
Description
Technical Field
The utility model relates to a sand screening device for constructional engineering, and belongs to the technical field of constructional engineering.
Background
Gravel is a building material commonly used in construction, and a general construction worker needs to screen a sand pile through a sand screening device so as to select gravel of different sizes, and uses appropriate gravel for construction.
Through retrieving, the patent application of application number 202222840507.0 discloses a mortar sand material sieving mechanism for hydraulic and hydroelectric construction with dust removal, sand material hierarchical function, especially relates to a mortar sand material sieving mechanism, including screening case, the feeder hopper is installed in the left side of screening case upper surface, the left surface of screening incasement wall and the left surface sliding connection of screening frame drive cam through servo motor and rotate, and when cam and pulley engaged, the screening frame upwards moves under the drive of pulley, and the screening frame upwards moves and drives sieve plate a, sieve plate b and flitch upwards move, and when cam and pulley do not engage, the screening frame downwards moves.
The above patent drives the up-and-down movement of the screen plate a and the screen plate b through the up-and-down movement of the screen frame, so that the sand material is subjected to three-stage screening, but the prior art is not fully considered, and has the following defects: the single side of the sieve plate is connected with the sieving frame, so that the structure is unstable and the sieving effect is poor; the three-stage sand materials after screening enter three cavities of the material collecting box through the discharge holes respectively for discharging, so that the sand materials of any grade are not favorable to be taken out from the material collecting box independently.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to solve the technical problems that: how to optimize the design of sieving mechanism in order to realize the left and right sides alternating reciprocating motion of the upper screening subassembly and the lower screening subassembly, realize collecting alone the sand material of arbitrary level after sieving, be convenient for the taking out, the use of sand material, provide a sand material sieving mechanism for building engineering for this.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model relates to a sand screening device for constructional engineering, which comprises a box body, wherein the top of the box body is provided with a feed inlet communicated with an inner cavity of the box body, the bottom of the box body is provided with a discharge outlet C communicated with the inner cavity of the box body, and the bottom of the box body is provided with a plurality of groups of supporting legs supported on the ground, and the sand screening device is characterized in that: still including setting up screening subassembly and lower screening subassembly in the box inner chamber, the left end of going up screening subassembly and lower screening subassembly all is connected with the telescopic ejection of compact subassembly of fixing on the box outer wall for the semi-manufactured goods of branch specification discharge screening, the right-hand member of going up screening subassembly and lower screening subassembly all is connected with the screening drive arrangement transmission of fixing on the box outer wall, screening drive arrangement is used for driving and goes up screening subassembly and lower screening subassembly and do left and right sides alternating reciprocating motion, makes screening effect better.
Preferably, the screening driving device comprises a deflector rod and a driving box arranged on the outer wall of the right side of the box body, a fixed plate and a supporting seat positioned on the right side of the fixed plate are arranged on the inner wall of the rear side of the driving box, an upper sliding groove and a lower sliding groove are symmetrically arranged on the fixed plate along the axis of the fixed plate in the horizontal direction, an upper sliding rod is arranged in the upper sliding groove in a sliding fit mode, a lower sliding rod is arranged in the lower sliding groove in a sliding fit mode, the middle part of the deflector rod is hinged to the fixed plate between the upper sliding groove and the lower sliding groove through a hinge pin, an upper long groove and a lower long groove are respectively formed in the two ends of the deflector rod along the length direction of the deflector rod, a driving motor is arranged on the supporting seat, an output shaft of the driving motor is fixedly connected with one end of a crank, the other end of the crank is hinged to a connecting rod, one end of the connecting rod, which is far away from the crank, is hinged to a pin rod A, the middle part of the upper sliding rod is fixedly connected with the upper sliding rod, and the middle part of the lower sliding rod is provided with a pin B which slides in a fit with the lower long groove.
Preferably, the upper screening component comprises an upper screening plate which is obliquely arranged, the left side of the upper screening plate is low, the right side of the upper screening plate is high, the right end of the upper screening plate is fixedly connected with a vertically arranged connecting plate A, two groups of limiting slide bars A are respectively fixed at the upper end and the lower end of the right side wall of the connecting plate A, the limiting slide bars A penetrate through the right side wall of the box body and extend to the outside of the box body, and the right side end face of the connecting plate A is fixedly connected with the upper slide bars; the left end of last sieve and the connecting plate C fixed connection of vertical setting, the upper end and the lower extreme of connecting plate C's left side wall are fixed with two sets of spacing slide bars C respectively, just spacing slide bar C runs through the left side wall of box and extends to the outside of box, connecting plate C's left end is connected with telescopic ejection of compact subassembly. The connecting plate A drives the upper sieve plate to move left and right under the pushing of the upper slide bar, so that coarse sand is screened.
Preferably, a group of reset springs A are respectively sleeved on four groups of limit slide bars A between the right end face of the connecting plate A and the inner wall of the box body, and a group of reset springs C are respectively sleeved on four groups of limit slide bars C between the left end face of the connecting plate C and the inner wall of the box body, so that the structure is more stable.
Preferably, the structure of the upper screening assembly is the same as that of the lower screening assembly, the lower screening assembly comprises a lower screen plate which is obliquely arranged, the left side of the lower screen plate is low, the right end of the lower screen plate is fixedly connected with a vertically arranged connecting plate B, two groups of limiting slide bars B are respectively fixed at the upper end and the lower end of the right side wall of the connecting plate B, the limiting slide bars B penetrate through the right side wall of the box body and extend to the outside of the box body, and the right side end face of the connecting plate B is fixedly connected with the lower slide bars; the left end of lower sieve board and the connecting plate D fixed connection of vertical setting, the upper end and the lower extreme of connecting plate D's left side wall are fixed with two sets of spacing slide bars D respectively, just spacing slide bar D runs through the left side wall of box and extends to the outside of box, connecting plate D's left end is connected with telescopic ejection of compact subassembly. The connecting plate B drives the lower sieve plate to move left and right under the pushing of the lower slide bar, so that the screening of the middle sand is realized.
Preferably, a group of reset springs B are respectively sleeved on four groups of limit slide bars B between the right side end face of the connecting plate B and the inner wall of the box body, and a group of reset springs D are respectively sleeved on four groups of limit slide bars D between the left side end face of the connecting plate D and the inner wall of the box body, so that the structure is more stable.
Preferably, the discharging component comprises a vertically arranged mounting plate, a discharging channel A penetrating through the box body and the connecting plate C, a discharging channel B penetrating through the box body and the connecting plate D, the mounting plate is fixedly arranged on the left outer wall of the box body through a plurality of groups of bolts, a shaft sleeve A which is in sliding connection with the discharging channel A is arranged at the upper end of the mounting plate in a penetrating mode, a shaft sleeve B which is in sliding connection with the discharging channel B is arranged at the lower end of the mounting plate in a penetrating mode, flanges are fixed on the outer wall of one side, far away from the box body, of the discharging channel A and the discharging channel B, end flanges of the shaft sleeve A are in butt joint with flanges on the discharging channel A through reset springs E, a discharging port A which is in sliding connection with the shaft sleeve A is sequentially arranged on the outer wall of the mounting plate from top to bottom, and the discharging position of the discharging port A is located on the right side of the discharging port B.
Preferably, the top of box is provided with the rose box, the rose box is located the left side of feed inlet, and the air intake of rose box bottom and the inner chamber intercommunication of box, the inner chamber of rose box is from supreme filter screen A, the filter screen B of transversely being provided with in proper order down, and filter screen B's filtration level is higher than filter screen A's filtration level, exhaust fan is installed on the upper portion of rose box. Through setting up filter screen A, filter screen B and exhaust fan, can carry out the absorption treatment to the dust that upwards floats in the box inner chamber, can reduce environmental pollution.
Preferably, the aperture of the sieve mesh of the lower sieve plate is smaller than that of the sieve mesh of the upper sieve plate, coarse sand sieved by the upper sieve plate sequentially slides through a discharge channel A and a shaft sleeve A, coarse sand is discharged from a discharge port A, middle sand sieved by the lower sieve plate sequentially slides through a discharge channel B and a shaft sleeve B, and finally the middle sand is discharged from the discharge port B.
Preferably, a receiving hopper fixedly connected with the inner wall surface of the box body is arranged below the lower sieve plate, the small diameter end of the receiving hopper is fixedly connected with the discharge port C, fine sand screened out by the lower sieve plate is collected by the receiving hopper, and finally the fine sand is discharged from the discharge port C.
Preferably, the connecting plate B is positioned below the connecting plate A, the lower surface of the connecting plate B and the upper surface of the connecting plate A can slide relatively, and the total movement stroke of the connecting plate B and the connecting plate A is smaller than the thickness of the connecting plate B; the connecting plate C is located the below of connecting plate D, and connecting plate C's lower surface and connecting plate D's upper surface can slide relatively, connecting plate C and connecting plate D's total motion stroke is less than connecting plate D's thickness, can avoid not dropping to the hopper in the well sand of screening of lower sieve.
Compared with the prior art, the utility model has the following beneficial effects:
According to the sand screening device for the construction engineering, through optimizing the design of the screening device and arranging the driving device outside the box body, the left-right alternating reciprocating motion of the upper screening component and the lower screening component is driven, so that the structure is more stable, and the screening effect is better
According to the sand screening device for the construction engineering, the telescopic discharging component is arranged outside the box body to match left and right alternating reciprocating motions of the upper screening component and the lower screening component, and the sieved sand is collected in a grading manner by fixing the discharging ports in a grading manner, so that the sand of any grade is independently taken out.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic illustration of the present utility model;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
FIG. 3 is an enlarged view of the utility model at B in FIG. 1;
FIG. 4 is an enlarged view of the utility model at C in FIG. 1;
FIG. 5 is a schematic view of the drive device of the present utility model moving to a left limit position;
FIG. 6 is an enlarged view of the utility model at A in FIG. 5;
FIG. 7 is an enlarged view of the utility model at B in FIG. 5;
FIG. 8 is a schematic view of the drive device of the present utility model moving to a right limit position;
FIG. 9 is an enlarged view of the utility model at A in FIG. 8;
Fig. 10 is an enlarged view of the present utility model at B in fig. 8.
In the figure: 1. the box body 2, the feed inlet 3, the filter box 4, the upper sieve plate 5, the lower sieve plate 6, the connecting plate A7, the connecting plate B8, the connecting plate C9, the connecting plate D10, the supporting seat 11, the driving motor 12, the crank 13, the connecting rod 14, the deflector rod 15, the upper slide rod 16, the lower slide rod 17, the upper slide groove 18, the lower slide groove 19, the fixed plate 20, the mounting plate 21, the discharge port A22, the discharge port B23, the discharge channel A24, the discharge channel B25, the shaft sleeve A26, the shaft sleeve B27, the limiting slide rod A28, the reset spring A29, the limiting slide rod C30, the reset spring C31, the reset spring E32, the collecting hopper 33, the discharge port C34, the filter screen A35, the filter screen B36, the exhaust fan 37, the supporting leg 38, the driving box 39, the upper long groove 40, the lower long groove 41, the pin A42, the pin B43, the limiting slide rod B44, the reset spring B45, the limiting D46 and the reset spring D.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
the present utility model is further illustrated by the following examples, which are not intended to be limiting, but any modifications, equivalents, improvements, etc. within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
1-2, A sand screening device for building engineering, including box 1, the top of box 1 is provided with feed inlet 2 that is linked together with box 1 inner chamber, the bottom of box 1 is provided with the discharge gate C33 that is linked together with box 1 inner chamber, the bottom of box 1 is provided with the multiunit supporting leg 37 that supports subaerial, still includes the last screening subassembly and the lower screening subassembly of setting in box 1 inner chamber, the left end of last screening subassembly and lower screening subassembly all is connected with the telescopic discharge subassembly of fixing on box 1 outer wall for divide the semi-manufactured goods of specification discharge screening, the right-hand member of last screening subassembly and lower screening subassembly all is connected with the screening drive arrangement transmission of fixing on box 1 outer wall, screening drive arrangement is used for driving last screening subassembly and lower screening subassembly and the alternating reciprocating motion of controlling, has realized the tertiary screening to sand material, divides into coarse sand, middle sand and sand, and the alternating motion of screening subassembly and lower screening subassembly makes the reciprocating motion about the fine sand better simultaneously.
Further, the screening driving device comprises a deflector rod 14, a driving box 38 installed on the outer wall of the right side of the box body 1, a fixing plate 19 and a supporting seat 10 positioned on the right side of the fixing plate 19 are installed on the inner wall of the rear side of the driving box 38, an upper sliding groove 17 and a lower sliding groove 18 are symmetrically arranged on the fixing plate 19 along the axis of the horizontal direction, an upper sliding rod 15 is in sliding fit with the upper sliding groove 17, a lower sliding rod 16 is in sliding fit with the lower sliding groove 18, the middle part of the deflector rod 14 is hinged on the fixing plate 19 between the upper sliding groove 17 and the lower sliding groove 18 through a hinge pin, an upper long groove 39 and a lower long groove 40 are respectively formed in the two ends of the deflector rod 14 along the length direction, a driving motor 11 is installed on the supporting seat 10, an output shaft of the driving motor 11 is fixedly connected with one end of a crank 12, the other end of the crank 12 is hinged with a connecting rod 13, one end of the connecting rod 13 far away from the crank 12 is hinged with a pin rod A41, the pin A41 penetrates through the upper long groove 39 and is fixedly connected with the middle part of the upper sliding rod 15, and the middle part of the lower sliding rod 16 is provided with a pin 40B in sliding fit with the lower long groove 40.
The output shaft of the driving motor 11 drives the crank 12 to rotate in a full circle, the crank 12 drives the deflector rod 14 to swing reciprocally in a small range through the connecting rod 13, so that the pin rod A41 slides in the upper long groove 39 and the pin rod B42 slides in the lower long groove 40, and the upper slide rod 15 and the lower slide rod 16 are driven to slide left and right alternately.
In the second embodiment, as shown in fig. 1-3, the sand screening device for construction engineering includes a box 1, a feeding port 2 which is communicated with an inner cavity of the box 1 is arranged at the top of the box 1, a discharging port C33 which is communicated with the inner cavity of the box 1 is arranged at the bottom of the box 1, multiple groups of supporting legs 37 which are supported on the ground are arranged at the bottom of the box 1, an upper screening assembly and a lower screening assembly which are arranged in the inner cavity of the box 1 are further included, the left ends of the upper screening assembly and the lower screening assembly are connected with a telescopic discharging assembly which is fixed on the outer wall of the box 1, and are used for discharging screened semi-finished products according to specifications, the right ends of the upper screening assembly and the lower screening assembly are in transmission connection with a screening driving device which is fixed on the outer wall of the box 1, and the screening driving device is used for driving the upper screening assembly and the lower screening assembly to do left-right alternate reciprocating motion, so that the sand screening is divided into coarse sand, middle sand and the sand, and the left screening assembly and the lower screening assembly are alternately moved to achieve better reciprocating effect.
Further, the screening driving device comprises a deflector rod 14, a driving box 38 installed on the outer wall of the right side of the box body 1, a fixing plate 19 and a supporting seat 10 positioned on the right side of the fixing plate 19 are installed on the inner wall of the rear side of the driving box 38, an upper sliding groove 17 and a lower sliding groove 18 are symmetrically arranged on the fixing plate 19 along the axis of the horizontal direction, an upper sliding rod 15 is in sliding fit with the upper sliding groove 17, a lower sliding rod 16 is in sliding fit with the lower sliding groove 18, the middle part of the deflector rod 14 is hinged on the fixing plate 19 between the upper sliding groove 17 and the lower sliding groove 18 through a hinge pin, an upper long groove 39 and a lower long groove 40 are respectively formed in the two ends of the deflector rod 14 along the length direction, a driving motor 11 is installed on the supporting seat 10, an output shaft of the driving motor 11 is fixedly connected with one end of a crank 12, the other end of the crank 12 is hinged with a connecting rod 13, one end of the connecting rod 13 far away from the crank 12 is hinged with a pin rod A41, the pin A41 penetrates through the upper long groove 39 and is fixedly connected with the middle part of the upper sliding rod 15, and the middle part of the lower sliding rod 16 is provided with a pin 40B in sliding fit with the lower long groove 40.
The output shaft of the driving motor 11 drives the crank 12 to rotate in a full circle, the crank 12 drives the deflector rod 14 to swing reciprocally in a small range through the connecting rod 13, so that the pin rod A41 slides in the upper long groove 39 and the pin rod B42 slides in the lower long groove 40, and the upper slide rod 15 and the lower slide rod 16 are driven to slide left and right alternately.
Further, the upper screening component comprises an upper screening plate 4 which is obliquely arranged, the upper screening plate 4 is low on the left and high on the right, the right end of the upper screening plate 4 is fixedly connected with a vertically arranged connecting plate A6, two groups of limiting slide bars A27 are respectively fixed at the upper end and the lower end of the right side wall of the connecting plate A6, the limiting slide bars A27 penetrate through the right side wall of the box body 1 to extend to the outside of the box body 1 and are in small clearance sliding fit with through holes on the right side wall of the box body 1, and the right side end face of the connecting plate A6 is fixedly connected with an upper slide bar 15; the left end of the upper sieve plate 4 is fixedly connected with a vertically arranged connecting plate C8, two groups of limiting slide bars C29 are respectively fixed at the upper end and the lower end of the left side wall of the connecting plate C8, the limiting slide bars C29 penetrate through the left side wall of the box body 1, extend to the outside of the box body 1 and are in small clearance sliding fit with through holes on the left side wall of the box body 1, and the left end of the connecting plate C8 is connected with a telescopic discharging assembly. The connecting plate A6 drives the upper sieve plate 4 to move left and right under the pushing of the upper slide bar 15, so that coarse sand is screened.
Further, a set of reset springs a28 are respectively sleeved on four sets of limit slide bars a27 between the right end face of the connecting plate A6 and the inner wall of the box body 1, and a set of reset springs C30 are respectively sleeved on four sets of limit slide bars C29 between the left end face of the connecting plate C8 and the inner wall of the box body 1, so that the structure is more stable.
Further, the structure of the upper screening assembly is the same as that of the lower screening assembly, the lower screening assembly comprises a lower screen plate 5 which is obliquely arranged, the lower screen plate 5 is low in left and high in right, the right end of the lower screen plate 5 is fixedly connected with a vertically arranged connecting plate B7, two groups of limiting slide bars B43 are respectively fixed at the upper end and the lower end of the right side wall of the connecting plate B7, the limiting slide bars B43 penetrate through the right side wall of the box body 1 to extend to the outside of the box body 1 and are in small clearance sliding fit with through holes on the right side wall of the box body 1, and the right side end face of the connecting plate B7 is fixedly connected with a lower slide bar 16; the left end of lower sieve 5 and the connecting plate D9 fixed connection of vertical setting, the upper end and the lower extreme of connecting plate D9's left side wall are fixed with two sets of spacing slide bars D45 respectively, just spacing slide bar D45 runs through the left side wall of box 1 and extends to the outside of box 1 to with the little clearance sliding fit of through-hole on the left side wall of box 1, connecting plate D9's left end is connected with telescopic ejection of compact subassembly. The connecting plate B7 drives the sieve plate 5 to move left and right under the pushing of the lower slide bar 16, so that the screening of the middle sand is realized.
Further, a group of reset springs B44 are respectively sleeved on four groups of limit sliding rods B43 between the right end face of the connecting plate B7 and the inner wall of the box body 1, and a group of reset springs D46 are respectively sleeved on four groups of limit sliding rods D45 between the left end face of the connecting plate D9 and the inner wall of the box body 1, so that the structure is more stable.
Further, the discharging component comprises a vertically arranged mounting plate 20, a discharging channel A23 penetrating through the box body 1 and the connecting plate C8, and a discharging channel B24 penetrating through the box body 1 and the connecting plate D9, wherein the mounting plate 20 is fixedly arranged on the left outer wall of the box body 1 through a plurality of groups of bolts, a shaft sleeve A25 which is in sliding connection with the discharging channel A23 is arranged at the upper end of the mounting plate 20 in a penetrating manner, a shaft sleeve B26 which is in sliding connection with the discharging channel B24 is arranged at the lower end of the mounting plate 20 in a penetrating manner, flanges are fixed on the outer wall of one side, far away from the box body 1, of the discharging channel A23 and the discharging channel B24, end flanges of the shaft sleeve A25 are in butt joint with flanges on the discharging channel A23 through a reset spring E31, the end flanges of the shaft sleeve B26 are in butt joint with flanges on the discharging channel B24 through a reset spring E31, a discharging port A21 which is in sliding connection with the shaft sleeve A26 is sequentially arranged on the outer wall of the mounting plate 20 from top to bottom, the discharging position of the discharging port A21 is located on the right side of the discharging port B22, and the discharging position of the discharging port A21 can be used for conveniently screening and grading sand.
The third embodiment, as shown in fig. 1-4, is different from the first embodiment and the second embodiment in that the top of the box body 1 is provided with a filter box 3, the filter box 3 is located at the left side of the feed inlet 2, an air inlet at the bottom of the filter box 3 is communicated with the inner cavity of the box body 1, a filter screen a34 and a filter screen B35 are sequentially and transversely arranged in the inner cavity of the filter box 3 from bottom to top, the filtering grade of the filter screen B35 is higher than that of the filter screen a34, and an exhaust fan 36 is installed at the upper part of the filter box 3. Through setting up filter screen A34, filter screen B35 and exhaust fan 36, can carry out the absorption to the dust that upwards floats in the box 1 inner chamber and handle, can reduce environmental pollution.
Further, one end of the four groups of limiting slide bars A27 located on the left side of the side wall of the box body 1 and one end of the four groups of limiting slide bars C29 located on the right side of the side wall of the box body 1 are respectively sleeved with a group of reset springs A28, and one end of the four groups of limiting slide bars C29 located on the left side of the side wall of the box body 1 and one end of the four groups of limiting slide bars C29 located on the right side of the side wall of the box body 1 are respectively sleeved with a group of reset springs C30, so that the structure is more stable.
Further, a set of reset springs B44 is sleeved at one end of the four sets of limiting sliding rods B43 located on the left side of the side wall of the box body 1 and one end of the four sets of limiting sliding rods D45 located on the right side of the side wall of the box body 1, and a set of reset springs D46 is sleeved at one end of the four sets of limiting sliding rods D45 located on the left side of the side wall of the box body 1 and one end of the four sets of limiting sliding rods D45 located on the right side of the side wall of the box body 1, so that the structure is more stable.
Further, the aperture of the sieve mesh of the lower sieve plate 5 is smaller than that of the sieve mesh of the upper sieve plate 4, coarse sand sieved by the upper sieve plate 4 sequentially slides through a discharge channel A23 and a shaft sleeve A25, coarse sand is discharged from a discharge hole A21, middle sand sieved by the lower sieve plate 5 sequentially slides through a discharge channel B24 and a shaft sleeve B26, and finally the middle sand is discharged from a discharge hole B22.
Further, a receiving hopper 32 fixedly connected with the inner wall surface of the box body 1 is arranged below the lower screen plate 5, the small diameter end of the receiving hopper 32 is fixedly connected with a discharge port C33, fine sand screened out by the lower screen plate 5 is collected by the receiving hopper 32, and finally the fine sand is discharged from the discharge port C33.
Further, the connecting plate B7 is positioned below the connecting plate A6, the lower surface of the connecting plate B7 and the upper surface of the connecting plate A6 can slide relatively, and the total movement stroke of the connecting plate B7 and the connecting plate A6 is smaller than the thickness of the connecting plate B7; the connecting plate C8 is located the below of connecting plate D9, and the lower surface of connecting plate C8 and the upper surface of connecting plate D9 can slide relatively, the total motion stroke of connecting plate C8 and connecting plate D9 is less than the thickness of connecting plate D9, can avoid not dropping to the hopper 32 through the well sand of screening of lower sieve 5.
The working principle of the utility model is as follows:
Referring to fig. 1 to 10, the crank 12 is driven to make full rotation by the output shaft of the driving motor 11, and the crank 12 drives the deflector rod 14 to reciprocate left and right in a small range by the connecting rod 13.
1. When the driving device moves from the upper middle position to the left limit position, the crank 12 rotates 90 degrees anticlockwise from the vertical upward position to rotate to the horizontal left position, the driving rod 14 is driven to swing to the left limit position by the connecting rod 13, the pin rod A41 slides in the upper long groove 39, so that the upper slide rod 15 is driven to slide leftwards in the upper slide groove 17, and the connecting plate A6 and the upper screen plate 4 are further driven to move leftwards; simultaneously, the pin rod B42 slides in the lower long groove 40, so that the lower slide rod 16 is driven to slide right in the lower long groove 40, and the connecting plate B7 and the lower sieve plate 5 are pulled to move right.
2. When the driving device moves from the left limit position to the lower middle position, the crank 12 rotates 90 degrees anticlockwise from the horizontal left position to the vertical lower position, the driving rod 14 is driven to swing rightwards to the middle position through the connecting rod 13, the pin rod A41 slides in the upper long groove 39, the upper sliding rod 15 is driven to slide rightwards in the upper sliding groove 17, and the connecting plate A6 and the upper screen plate 4 are pulled to move rightwards; simultaneously, the pin rod B42 slides in the lower long groove 40, so that the lower slide rod 16 is driven to slide left in the lower long groove 40, and the connecting plate B7 and the lower sieve plate 5 are pushed to move left.
3. When the driving device moves from the lower middle position to the right limit position, the crank 12 rotates 90 degrees anticlockwise from the vertical downward position to rotate to the horizontal rightward position, the driving rod 14 is driven to swing to the right limit position by the connecting rod 13, the pin rod A41 slides in the upper long groove 39, so that the upper slide rod 15 is driven to slide rightward in the upper slide groove 17, and the connecting plate A6 and the upper screen plate 4 are pulled to move rightward; simultaneously, the pin rod B42 slides in the lower long groove 40, so that the lower slide rod 16 is driven to slide left in the lower long groove 40, and the connecting plate B7 and the lower sieve plate 5 are pushed to move left.
4. When the driving device moves from the right limit position to the upper middle position, the crank 12 rotates 90 degrees anticlockwise from the horizontal right position to the vertical upper position, the driving rod 14 is driven to swing leftwards to the middle position through the connecting rod 13, the pin rod A41 slides in the upper long groove 39, the upper sliding rod 15 is driven to slide leftwards in the upper sliding groove 17, and the connecting plate A6 and the upper screen plate 4 are further driven to move leftwards; simultaneously, the pin rod B42 slides in the lower long groove 40, so that the lower slide rod 16 is driven to slide right in the lower long groove 40, and the connecting plate B7 and the lower sieve plate 5 are pulled to move right.
5. The circulation is realized, the upper screen plate 4 and the lower screen plate 5 are driven to do left-right alternate reciprocating motion, so that the screening is rapid and accurate, and the working efficiency is greatly improved.
According to the sand screening device for the construction engineering, through optimizing the design of the screening device and arranging the driving device outside the box body, the upper screening component and the lower screening component are driven to do left-right alternate reciprocating motion, so that the structure is more stable, and the screening effect is better.
According to the sand screening device for the construction engineering, the telescopic discharging component is arranged outside the box body to match left and right alternating reciprocating motions of the upper screening component and the lower screening component, and the sieved sand is collected in a grading manner by fixing the discharging ports in a grading manner, so that the sand of any grade is independently taken out.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Claims (6)
1. The utility model provides a sand material sieving mechanism for building engineering, includes box (1), the top of box (1) is provided with feed inlet (2) that are linked together with box (1) inner chamber, the bottom of box (1) is provided with discharge gate C (33) that are linked together with box (1) inner chamber, the bottom of box (1) is provided with multiunit supporting leg (37) of support on subaerial, its characterized in that: the novel screening device comprises a box body (1), and is characterized by further comprising an upper screening component and a lower screening component which are arranged in the inner cavity of the box body (1), wherein the left ends of the upper screening component and the lower screening component are connected with a telescopic discharging component fixed on the outer wall of the box body (1) and used for discharging screened semi-finished products according to specifications, the right ends of the upper screening component and the lower screening component are connected with a screening driving device fixed on the outer wall of the box body (1) in a transmission manner, and the screening driving device is used for driving the upper screening component and the lower screening component to do left-right alternate reciprocating motion.
2. The sand screening device for construction engineering according to claim 1, wherein: the screening driving device comprises a deflector rod (14), a driving box (38) arranged on the outer wall of the right side of the box body (1), a fixing plate (19) and a supporting seat (10) arranged on the right side of the fixing plate (19) are arranged on the inner wall of the rear side of the driving box (38), an upper sliding groove (17) and a lower sliding groove (18) are symmetrically arranged on the fixing plate (19) along the axis of the fixing plate in the horizontal direction, an upper sliding rod (15) is in sliding fit with the upper sliding groove (17), a lower sliding rod (16) is in sliding fit with the lower sliding groove (18), the middle part of the deflector rod (14) is hinged on a fixing plate (19) between the upper sliding groove (17) and the lower sliding groove (18) through a hinge pin, an upper long groove (39) and a lower long groove (40) are respectively arranged at two ends of the deflector rod (14), a driving motor (11) is arranged on the supporting seat (10), an output shaft of the driving motor (11) is fixedly connected with one end of a crank (12), the other end of the crank (12) is hinged with a connecting rod (13), one end of the connecting rod (41) is far away from the hinge pin (13) and is connected with one end (41) of the upper long groove (41), the middle part of the lower slide bar (16) is provided with a pin rod B (42) which is matched with the lower long groove (40) to slide.
3. The sand screening device for construction engineering according to claim 1, wherein: the upper screening component comprises an upper screening plate (4) which is obliquely arranged, the left side of the upper screening plate (4) is low, the right side of the upper screening plate (4) is high, the right end of the upper screening plate is fixedly connected with a vertically arranged connecting plate A (6), two groups of limit sliding rods A (27) are respectively fixed at the upper end and the lower end of the right side wall of the connecting plate A (6), the limit sliding rods A (27) penetrate through the right side wall of the box body (1) and extend to the outside of the box body (1), and the right side end face of the connecting plate A (6) is fixedly connected with an upper sliding rod (15); the left end of last sieve (4) and connecting plate C (8) fixed connection of vertical setting, the upper end and the lower extreme of the left side wall of connecting plate C (8) are fixed with two sets of spacing slide bars C (29) respectively, just spacing slide bar C (29) run through the left side wall of box (1) and extend to the outside of box (1), the left end and the telescopic ejection of compact subassembly of connecting plate C (8) are connected.
4. A sand screening device for construction engineering according to claim 3, wherein: a group of reset springs A (28) are respectively sleeved on four groups of limit sliding rods A (27) between the right side end surface of the connecting plate A (6) and the inner wall of the box body (1), and a group of reset springs C (30) are respectively sleeved on four groups of limit sliding rods C (29) between the left side end surface of the connecting plate C (8) and the inner wall of the box body (1).
5. A sand screening device for construction engineering according to claim 3, wherein: the structure of the upper screening assembly is the same as that of the lower screening assembly, the lower screening assembly comprises a lower screen plate (5) which is obliquely arranged, the lower screen plate (5) is low in left and high in right, the right end of the lower screen plate (5) is fixedly connected with a connecting plate B (7) which is vertically arranged, two groups of limiting slide bars B (43) are respectively fixed at the upper end and the lower end of the right side wall of the connecting plate B (7), the limiting slide bars B (43) penetrate through the right side wall of the box body (1) and extend to the outside of the box body (1), and the right side end face of the connecting plate B (7) is fixedly connected with a lower slide bar (16); the left end of lower sieve (5) and connecting plate D (9) fixed connection of vertical setting, the upper end and the lower extreme of the left side wall of connecting plate D (9) are fixed with two sets of spacing slide bars D (45) respectively, just spacing slide bar D (45) run through the left side wall of box (1) and extend to the outside of box (1), the left end and the telescopic ejection of compact subassembly of connecting plate D (9) are connected.
6. The sand screening device for construction engineering according to claim 5, wherein: a group of reset springs B (44) are respectively sleeved on four groups of limit sliding rods B (43) between the right side end surface of the connecting plate B (7) and the inner wall of the box body (1), and a group of reset springs D (46) are respectively sleeved on four groups of limit sliding rods D (45) between the left side end surface of the connecting plate D (9) and the inner wall of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323049304.0U CN221208901U (en) | 2023-11-13 | 2023-11-13 | Sand material sieving mechanism for building engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323049304.0U CN221208901U (en) | 2023-11-13 | 2023-11-13 | Sand material sieving mechanism for building engineering |
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| Publication Number | Publication Date |
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| CN221208901U true CN221208901U (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323049304.0U Active CN221208901U (en) | 2023-11-13 | 2023-11-13 | Sand material sieving mechanism for building engineering |
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| Country | Link |
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| CN (1) | CN221208901U (en) |
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2023
- 2023-11-13 CN CN202323049304.0U patent/CN221208901U/en active Active
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