CN217830173U

CN217830173U - Concrete coarse and fine aggregate screening device

Info

Publication number: CN217830173U
Application number: CN202222045393.0U
Authority: CN
Inventors: 于向明; 蒋苹; 欧志海
Original assignee: Guilin Guicheng Concrete Co ltd
Current assignee: Guilin Guicheng Concrete Co ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-11-18
Anticipated expiration: 2032-08-04

Abstract

The utility model relates to a concrete preparation technical field, in particular to concrete thickness aggregate screening plant, the power distribution box comprises a box body, the feed inlet has been seted up at the top of box, from last one-level screen cloth that down inclines in proper order to be provided with in the box, second grade screen cloth and stock guide one, the one-level screen cloth is the vertebra shape, the lower end of one-level screen cloth is the downward and fixed stacking plate that is provided with, be provided with spiral lifting mechanism on the stacking plate, spiral lifting mechanism's discharge end is provided with aggregate rubbing crusher and constructs, the lower end of second grade screen cloth and stock guide one all is provided with the stock outlet seat, the logical groove of ejection of compact has been seted up to the upper surface of stock outlet seat, the logical spiral discharge mechanism that is provided with of ejection of compact inslot, one side of box is just seted up the one end that the logical groove of ejection of compact, two discharge gates are connected with coarse fodder discharge tube and fine fodder discharge tube respectively, the utility model discloses can effectively deal with the broken screening needs of raw and other materials such as building stones, realize the meticulous classification of the different thickness particle diameters of aggregate, effectively ensure holistic treatment simultaneously, degree of automation is high.

Description

Concrete coarse and fine aggregate screening device

Technical Field

The utility model relates to a concrete preparation technical field, in particular to concrete thickness aggregate screening plant.

Background

The coarse aggregate required in the concrete ingredient is crushed stone with the particle size of 5-10mm, the fine aggregate has the particle size of below 5mm, the fine aggregate is generally formed by crushing the crushed stone, and more coarse aggregate is still contained in the crushed fine aggregate, so the coarse aggregate and the fine aggregate are required to be respectively screened in order to improve the accuracy of the proportioning of the raw materials in the flat concrete ingredient.

The existing common method for crushing and screening the aggregate comprises the following steps: 1. putting the raw materials into a crusher, conveying the crushed aggregates into a screening machine through conveying equipment for screening and grading, and conveying the aggregates with larger particle sizes back to the crusher or resetting the crusher for crushing; 2. the raw materials are put into a sieving machine to be directly sieved and classified, and the aggregates with larger grain diameter are crushed and sieved again by another set of equipment. The first method requires a crusher with higher power and larger processing materials, the crusher not only needs to crush aggregates with larger particle sizes, but also needs to occupy the space of the crusher for aggregates with compliant particle sizes and without crushing, and unnecessary processing amount is consumed; the second method has low efficiency, large occupied space and inflexible aggregate crushing, screening and transition, and simultaneously needs manual operation, thereby increasing the workload of field operators. Therefore, the equipment which can effectively ensure the crushing, screening and grading of the aggregate, simultaneously enables the energy consumption of the equipment to be at a lower level and has high automation degree is needed to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete thickness aggregate screening plant to solve the problem that proposes among the above-mentioned background art.

In order to realize the purpose, the technical scheme of the utility model is as follows:

the utility model provides a concrete coarse and fine aggregate screening plant, the power distribution box comprises a box body, the feed inlet has been seted up at the top of box, from last one-level screen cloth, second grade screen cloth and the stock guide first of down having set gradually in the box, the one-level screen cloth is the vertebra shape, the lower extreme of one-level screen cloth is downwards and the fixed windrow board that is provided with, be provided with spiral lifting mechanism on the windrow board, spiral lifting mechanism's discharge end is provided with aggregate rubbing crusher and constructs, the lower extreme of second grade screen cloth and stock guide first all is provided with the ejection of compact seat, the logical groove of ejection of compact has been seted up to the upper surface of ejection of compact seat, the ejection of compact leads to the inslot and is provided with spiral discharge mechanism, one side of box is just right the discharge gate has been seted up to the logical one end of ejection of compact, two the discharge gate is connected with coarse fodder blow-off pipe and fine fodder blow-off pipe respectively, be equipped with control panel on the box, aggregate rubbing crusher constructs, spiral lifting mechanism and spiral discharge mechanism all with control panel electricity is connected.

It is specific, aggregate rubbing crusher constructs including crushing roller one, axis of rotation one, crushing roller two and axis of rotation two, form the roll gap between crushing roller one and the crushing roller two, crushing roller one is located the inside of box just passes through axis of rotation one is rotated with the box and is connected, the one end of axis of rotation one is passed box fixedly connected with action wheel, the other end of axis of rotation one is worn out be connected with driving motor one behind the box, crushing roller two is located the inside of box just passes through axis of rotation two is rotated with the box and is connected, the one end of axis of rotation two is worn out be provided with from the driving wheel behind the box, the action wheel with from the driving wheel be connected through the belt.

Specifically, the spiral lifting mechanism comprises a driving motor II, a material guide cylinder, a rotating shaft I and a spiral blade I, wherein the driving motor II is arranged at the top of the box body, the material guide cylinder is arranged on the material piling plate, the rotating shaft I is vertically and rotatably connected into the material guide cylinder, an output shaft of the driving motor II is in driving connection with the rotating shaft I, the spiral blade I is arranged on the rotating shaft I, an opening is formed in one side of the material guide cylinder and is close to the top end of the material guide cylinder, a material guide plate II is arranged at the opening, and the material guide plate II is used for guiding aggregate to the aggregate crushing mechanism.

Specifically, spiral discharge mechanism includes driving motor three, rotation axis two and helical blade two, driving motor three install in one side of box, the logical inslot of ejection of compact is close to discharge gate fixedly connected with support frame, rotation axis two set up in the logical inslot of ejection of compact, the one end of rotation axis two with box rotatable coupling, the other end of rotation axis two with support frame rotatable coupling, driving of output shaft of driving motor three is connected rotation axis two, helical blade two is installed on the rotation axis two.

Specifically, one side of box is provided with the intercommunication the clear material pipe of flitch is arranged to the windrow, all be provided with on thick material row material pipe, the thin material row material pipe and the clear material pipe and arrange the material control valve.

The utility model has the advantages that:

when the device works, raw materials enter the box body through the feeding hole and are screened by the first-stage screen and the second-stage screen, so that part of coarse and fine aggregates which have different standard particle sizes and do not need to be primarily crushed are respectively discharged from the coarse material discharge pipe and the fine material discharge pipe through the spiral discharge mechanism, part of oversize aggregates which exceed the standard particle sizes are screened on the first-stage screen and flow onto the stacking plate, the oversize aggregates are conveyed to the aggregate crushing mechanism through the spiral lifting mechanism to be crushed, and the crushed aggregates are continuously screened; the utility model discloses can effectively deal with the broken screening needs of raw and other materials such as building stones, the meticulous grading of the different thickness particle diameters of realization aggregate that can be fine effectively ensures holistic throughput simultaneously, and degree of automation is high.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a right side view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic structural view of the aggregate crushing mechanism of the present invention;

fig. 5 is a schematic structural view of the middle spiral discharging mechanism of the present invention.

Reference numerals are as follows: a box body 1; a feed port 2; a first-stage screen 3; a secondary screen 4; a first material guide plate 5; a material piling plate 6; an aggregate crushing mechanism 7; a crushing roller I71; a first rotating shaft 72; a capstan 73; a second crushing roller 74; a second rotating shaft 75; a driven pulley 76; a belt 77; a first driving motor 78; a spiral lifting mechanism 8; a second driving motor 81; a material guide cylinder 82; a first rotating shaft 83; a first helical blade 84; an opening 85; a second material guide plate 86; a discharging seat 9; a discharge through groove 10; a spiral discharging mechanism 11; driving a motor III 111; a second rotating shaft 112; a second helical blade 113; a support frame 114; a discharge port 12; a coarse material discharge pipe 13; a fine material discharge pipe 14; a control panel 15; a clear pipe 16; a discharge control valve 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, 2, 3, 4, 5, a concrete coarse and fine aggregate screening plant, includes box 1, feed inlet 2 has been seted up at the top of box 1, from last one-level screen cloth 3, second grade screen cloth 4 and the stock guide 5 of down having set gradually in the box 1, one-level screen cloth 3 is the tapered, the lower extreme of one-level screen cloth 3 is downwards and the fixed flitch 6 that is provided with of piling, be provided with spiral hoist mechanism 8 on the flitch 6, the discharge end of spiral hoist mechanism 8 is provided with aggregate rubbing crusher 7, the lower extreme of second grade screen cloth 4 and stock guide 5 all is provided with ejection of compact seat 9, ejection of compact logical groove 10 has been seted up to the upper surface of ejection of compact seat 9, the ejection of compact logical inslot 10 is provided with spiral discharge mechanism 11, one side of box 1 is just right the one end that the ejection of compact logical groove 10 has been seted up discharge gate 12, two discharge gate 12 is connected with coarse aggregate discharge pipe 13 and fine aggregate discharge pipe 14 respectively, be equipped with control panel 15 on the box 1, crushing mechanism 7, spiral hoist mechanism 8 and spiral discharge mechanism 11 all with control panel 15 electricity is connected.

When the device works, raw materials enter the box body 1 through the feeding hole 2 and are screened through the primary screen 3 and the secondary screen 4, so that part of coarse and fine aggregates with the combined particle size and without primary crushing are discharged from the coarse material discharge pipe 13 and the fine material discharge pipe 14 through the spiral discharge mechanism 11, part of oversize aggregates with the particle size exceeding the combined particle size are screened on the primary screen 3 and flow onto the stacking plate 6, the oversize aggregates are conveyed to the aggregate crushing mechanism 7 through the spiral lifting mechanism 8 to be crushed, and the crushed aggregates are screened continuously; the utility model discloses can effectively deal with the crushing and screening needs of raw and other materials such as building stones, the meticulous classification of the different thickness particle diameters of realization aggregate that can be fine effectively ensures holistic throughput simultaneously, and degree of automation is high.

As shown in fig. 1, 2, 3 and 4, the aggregate crushing mechanism 7 includes a first crushing roller 71, a first rotating shaft 72, a second crushing roller 74 and a second rotating shaft 75, a roller gap is formed between the first crushing roller 71 and the second crushing roller 74, the first crushing roller 71 is located inside the box 1 and is rotatably connected with the box 1 through the first rotating shaft 72, one end of the first rotating shaft 72 penetrates through the box 1 and is fixedly connected with a driving wheel 73, the other end of the first rotating shaft 72 penetrates through the box 1 and is connected with a first driving motor 78, the second crushing roller 74 is located inside the box 1 and is rotatably connected with the box 1 through the second rotating shaft 75, one end of the second rotating shaft 75 penetrates through the box 1 and is provided with a driven wheel 76, and the driving wheel 73 is connected with the driven wheel 76 through a belt 77; in this embodiment, the first rotating shaft 72 is driven to rotate by the first driving motor 78, and the second rotating shaft 75 is driven to rotate by the driving wheel 73, the driven wheel 76 and the belt 77, so that the first crushing roller 71 and the second crushing roller 74 are driven to rotate, and the aggregates passing through the roll gaps are crushed.

As shown in fig. 1, 2, 3, and 5, the spiral lifting mechanism 8 includes a second driving motor 81, a first guiding cylinder 82, a first rotating shaft 83, and a first spiral blade 84, the second driving motor 81 is disposed at the top of the box body 1, the guiding cylinder 82 is disposed on the stacking plate 6, the first rotating shaft 83 is vertically and rotatably connected in the guiding cylinder 82, an output shaft of the second driving motor 81 is drivingly connected to the first rotating shaft 83, the first spiral blade 84 is mounted on the first rotating shaft 83, an opening 85 is disposed at one side of the guiding cylinder 82, the opening 85 is disposed near the top end of the guiding cylinder 82, a second guiding plate 86 is disposed at the opening 85, and the second guiding plate 86 is used for guiding aggregate to the aggregate crushing mechanism 7; in this embodiment, the first rotating shaft 83 is driven to rotate by the second driving motor 81, the first helical blade 84 rotates to drive aggregate on the stacking plate 6 to ascend to the position of the opening 85, the aggregate enters the aggregate crushing mechanism 7 through the second guide plate 86 to be crushed, and the oversized aggregate can be crushed into coarse and fine aggregate for concrete production through repeated crushing.

As shown in fig. 2, 3 and 5, the spiral discharging mechanism 11 includes a driving motor three 111, a rotating shaft two 112 and a spiral blade two 113, the driving motor three 111 is installed at one side of the box body 1, a support frame 114 is fixedly connected in the discharging through groove 10 near the discharging hole 12, the rotating shaft two 112 is arranged in the discharging through groove 10, one end of the rotating shaft two 112 is rotatably connected with the box body 1, the other end of the rotating shaft two 112 is rotatably connected with the support frame 114, an output shaft of the driving motor three 111 is connected with the rotating shaft two 112 in a driving manner, and the spiral blade two 113 is installed on the rotating shaft two 112; in this embodiment, the second driving motor 111 drives the second rotating shaft 112 to rotate, the second helical blade 113 rotates to convey the aggregates in the discharging through groove 10 to the discharging hole 12, and the aggregates are discharged through the coarse material discharging pipe 13 and the fine material discharging pipe 14.

As shown in fig. 1, 2 and 3, a material cleaning pipe 16 communicated with the material piling plate 6 is arranged on one side of the box body 1, and discharge control valves 17 are arranged on the coarse material discharge pipe 13, the fine material discharge pipe 14 and the material cleaning pipe 16; in this embodiment, when the operation is stopped, the aggregate on the stacking plate 6 can be cleaned out of the box body 1 through the cleaning pipe 16.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a concrete coarse and fine aggregate screening plant, includes box (1), its characterized in that: feed inlet (2) have been seted up at the top of box (1), from last down slope in proper order has set up one-level screen cloth (3), second grade screen cloth (4) and stock guide (5) in box (1), one-level screen cloth (3) are the vertebra shape, the least significant end of one-level screen cloth (3) is provided with stacking plate (6) downwards and fixed, be provided with spiral elevating system (8) on stacking plate (6), the discharge end of spiral elevating system (8) is provided with aggregate rubbing crusher (7), the least significant end of second grade screen cloth (4) and stock guide (5) all is provided with ejection of compact seat (9), ejection of compact logical groove (10) have been seted up to the upper surface of ejection of compact seat (9), the ejection of compact is led to and is provided with spiral discharge mechanism (11) in groove (10), one side of box (1) is just right discharge gate (12) have been seted up to the one end that the ejection of compact led to groove (10), two discharge gate (12) are connected with coarse fodder row material pipe (13) and thin material row material pipe (14) respectively, be equipped with control panel (15) on box (1), crushing mechanism (7), spiral elevating system (8) and spiral aggregate electricity are all connected with control panel (15) and discharge mechanism (15).

2. The concrete coarse and fine aggregate screening device according to claim 1, wherein: aggregate rubbing crusher constructs (7) including crushing roller (71), axis of rotation one (72), two (74) of crushing roller and axis of rotation two (75), form the roll gap between crushing roller (71) and crushing roller two (74), crushing roller one (71) are located the inside of box (1) and pass through axis of rotation one (72) are rotated with box (1) and are connected, the one end of axis of rotation one (72) is passed box (1) fixedly connected with action wheel (73), the other end of axis of rotation one (72) is worn out be connected with driving motor one (78) behind box (1), crushing roller two (74) are located the inside of box (1) and pass through axis of rotation two (75) are rotated with box (1) and are connected, the one end of axis of rotation two (75) is worn out be provided with behind box (1) from driving wheel (76), action wheel (73) are connected through belt (77) with from driving wheel (76).

3. The concrete coarse and fine aggregate screening device according to claim 1, wherein: spiral hoist mechanism (8) include driving motor two (81), guide cylinder (82), rotation axis one (83) and helical blade one (84), driving motor two (81) set up in the top of box (1), guide cylinder (82) are located on flitch (6), the vertical rotatable coupling of rotation axis one (83) in guide cylinder (82), the output shaft drive of driving motor two (81) is connected rotation axis one (83), helical blade one (84) are installed on rotation axis one (83), opening (85) have been seted up to one side of guide cylinder (82), opening (85) are close to the top setting of guide cylinder (82), opening (85) department is provided with guide plate two (86), guide plate two (86) are used for leading aggregate to aggregate rubbing crusher constructs (7).

4. The concrete coarse and fine aggregate screening device according to claim 1, wherein: spiral discharge mechanism (11) include driving motor three (111), rotation axis two (112) and helical blade two (113), driving motor three (111) install in one side of box (1), the ejection of compact is close to in leading to groove (10) discharge gate (12) fixedly connected with support frame (114), rotation axis two (112) set up in the ejection of compact is led to in the groove (10), the one end of rotation axis two (112) with box (1) rotatable coupling, the other end of rotation axis two (112) with support frame (114) rotatable coupling, the output shaft drive of driving motor three (111) is connected rotation axis two (112), helical blade two (113) are installed on rotation axis two (112).

5. The concrete coarse and fine aggregate screening device according to claim 1, wherein: and a material cleaning pipe (16) communicated with the material piling plate (6) is arranged on one side of the box body (1), and a material discharging control valve (17) is arranged on each of the coarse material discharging pipe (13), the fine material discharging pipe (14) and the material cleaning pipe (16).