阅读说明：本技术 一种三角滚轴筛分装置 (Triangular roller screening device ) 是由 张健 丁永峰 邓云凌 沈雪刚 于 2021-01-14 设计创作，主要内容包括：本发明公开了一种三角滚轴筛分装置,包括三角滚轴筛,包括由多个平行等间距设置的筛轴组成,所述筛轴上设置有多个等间距分布的勒洛三角筛盘结构,所述勒洛三角筛盘的初始状态相同,相邻两个所述筛轴上的所述勒洛三角筛盘相对设置；滚轴筛框架,用于安装所述三角滚轴筛；传动机构,安装于所述三角滚轴筛的一侧,使所述筛轴同步转动；驱动机构,与所述滚轴筛框架固定,用于驱动所述筛轴转动。本发明利用勒洛三角等宽曲线的特定极大地减少了硬质垃圾在主盘与副盘之间卡住的概率,从而影响阻碍筛轴的旋转,造成停机甚至导致传动机构发生损坏,影响滚轴筛的使用寿命。(The invention discloses a triangular roller screening device which comprises a triangular roller screen and a triangular roller screen, wherein the triangular roller screen comprises a plurality of screen shafts which are arranged in parallel at equal intervals, a plurality of Leluo triangular screen disc structures which are distributed at equal intervals are arranged on the screen shafts, the initial states of the Leluo triangular screen discs are the same, and the Leluo triangular screen discs on two adjacent screen shafts are oppositely arranged; the roller screen frame is used for mounting the triangular roller screen; the transmission mechanism is arranged on one side of the triangular roller screen and enables the screen shaft to synchronously rotate; and the driving mechanism is fixed with the roller screen frame and is used for driving the screen shaft to rotate. The invention utilizes the specific characteristic of the equal-width curve of the Leluo triangle to greatly reduce the probability of the hard garbage being clamped between the main disc and the auxiliary disc, thereby influencing the rotation of the sieve shaft, causing the shutdown and even causing the damage of the transmission mechanism and influencing the service life of the roller sieve.)

1. A triangular roller screening device, comprising:

the triangular roller screen (10) comprises a plurality of screen shafts (11) which are arranged in parallel at equal intervals, wherein a plurality of luxo triangular screen disc structures distributed at equal intervals are arranged on the screen shafts (11), the luxo triangular screen discs are in the same initial state, and the luxo triangular screen discs on two adjacent screen shafts (11) are oppositely arranged;

a roller screen frame (20) for mounting the triangular roller screen (10);

the transmission mechanism (30) is arranged on one side of the triangular roller screen (10) and enables the screen shaft (11) to synchronously rotate;

and the driving mechanism (40) is fixed with the roller screen frame (20) and is used for driving the screen shaft (11) to rotate.

2. The triangular roller screening device according to claim 1, wherein: the reuleaux triangle sieve tray structure comprises a main tray (12) fixedly connected with a sieve shaft (11) and an auxiliary tray (13) detachably fixed on one side of the main tray (12), wherein the size of the auxiliary tray (13) is larger than that of the main tray (12), and the main tray (12) and the auxiliary tray (13) are both reuleaux triangles.

3. The triangular roller screening device according to claim 2, wherein: the auxiliary discs (13) on two adjacent sieve shafts (11) are positioned on different sides of the main disc (12), and the main disc (12) is opposite to the auxiliary discs (13) on the adjacent sieve shafts (11).

4. The triangular roller screening device according to claim 2, wherein: the auxiliary disc (13) consists of two or more auxiliary disc assemblies (131), and the auxiliary disc assemblies (131) are fixed with the main disc (12) through bolts.

5. The triangular roller screening device according to claim 2, wherein: the auxiliary disc (13) is made of high-density polyurethane.

6. The triangular roller screening device according to claim 1, wherein: be fixed with on roller bearing sieve frame (20) with sieve axle (11) complex bearing frame (21), sieve axle (11) through the bearing with bearing frame (21) fixed connection, be equipped with oil filler point (22) on bearing frame (21), oil filler point (22) are connected with unified oiling device through the oiling pipe, unified oiling device including fixing glib talker mounting panel (23) of roller bearing frame (20) one side, be fixed with a plurality of oil cup installation pipes (24) on glib talker mounting panel (23), the one end of oil cup installation pipe (24) is connected with through type and presses annotates oil cup (25), its other end and oiling pipe intercommunication.

7. The triangular roller screening device according to claim 6, wherein: the transmission mechanism (30) comprises double-drive chain wheels (31) coaxially fixed with the sieve shafts (11), and every two adjacent double-drive chain wheels (31) are connected through chains.

8. The triangular roller screening device according to claim 6, wherein: be fixed with curb plate (26) and apron (27) on roller screen frame (20), feed inlet (28) have been seted up on apron (27), feed inlet (28) are located roller screen direction of transfer's initial point top, keep away from feed inlet (28) discharge gate (29) have been seted up on curb plate (26).

9. The triangular roller screening device according to claim 8, wherein: the feed inlet (28) is provided with an adjustable baffle (281).

10. The triangular roller screening device according to claim 1, wherein: the driving mechanism (40) comprises a motor and a speed reducer, and an output shaft of the speed reducer is connected with any one of the sieve shafts (11).

Technical Field

The invention belongs to the field of industrial garbage screening, and particularly relates to a triangular roller screening device.

Background

In the material screening process, the materials need to be separated according to different sizes, and the roller screen is a common device and has the characteristics of high processing capacity, high screening efficiency and the like.

The roller screen is composed of a plurality of screen shafts, the gap between every two adjacent screen shafts is a screen hole, when the roller screen works, materials with the size smaller than the screen hole fall down from the screen hole, and materials with the size larger than the screen hole pass through the screen shafts, so that the materials are separated according to different sizes.

However, when the material has hard block-shaped objects with the size close to the size of the sieve holes, the hard block-shaped objects can not fall from the sieve holes and are easily blocked in the sieve holes, and the blocked material can be blocked when the blocked material can not be separated from the sieve holes. The hard blocky objects blocked can block the rotation of the adjacent sieve shaft, stop the machine and even cause the damage of a transmission part, influence the service life of the roller sieve, and the roller sieve can continue to work after the blocked hard blocky objects are cleaned, so that the equipment can not continuously run and the sieving process is influenced.

Disclosure of Invention

In order to solve the problems, the invention provides a triangular roller screening device, which aims to improve screening precision and reduce material blockage.

A triangular roller screening device comprising:

the triangular roller screen comprises a plurality of screen shafts which are arranged in parallel at equal intervals, a plurality of luxo triangular screen tray structures which are distributed at equal intervals are arranged on each screen shaft, the luxo triangular screen trays are in the same initial state, and the luxo triangular screen trays on two adjacent screen shafts are arranged oppositely;

the roller screen frame is used for mounting the triangular roller screen;

the transmission mechanism is arranged on one side of the triangular roller screen and enables the screen shaft to synchronously rotate;

and the driving mechanism is fixed with the roller screen frame and is used for driving the screen shaft to rotate.

Preferably, the reuleaux triangle sieve tray structure comprises a main tray fixedly connected with the sieve shaft and an auxiliary tray detachably fixed on one side of the main tray, the size of the auxiliary tray is larger than that of the main tray, and the main tray and the auxiliary tray are both of the reuleaux triangle shape.

Preferably, the auxiliary discs on two adjacent sieve shafts are positioned on different sides of the main disc, and the main disc is opposite to the auxiliary discs on the adjacent sieve shafts.

Preferably, the auxiliary disc consists of two or more auxiliary disc assemblies, and the auxiliary disc assemblies are fixed with the main disc through bolts.

Preferably, the sub-disc is made of high density polyurethane.

Preferably, be fixed with on the roller bearing sieve frame with sieve axle complex bearing frame, the sieve axle pass through the bearing with bearing frame fixed connection, be equipped with the oil filler point on the bearing frame, the oil filler point is connected with unified oiling device through the oiling pipe, unified oiling device including fixing the glib talker mounting panel of roller bearing frame one side, be fixed with a plurality of oil cup installation pipes on the glib talker mounting panel, the one end of oil cup installation pipe is connected with through type and presses annotates the oil cup, and its other end and notes oil pipe intercommunication.

Preferably, the transmission mechanism comprises double-drive chain wheels coaxially fixed with the plurality of screen shafts, and every two adjacent double-drive chain wheels are connected through chains.

Preferably, a side plate and a cover plate are fixed on the roller screen frame, a feed port is formed in the cover plate, the feed port is located above the initial point of the conveying direction of the roller screen, and a discharge port is formed in the side plate far away from the feed port.

Preferably, the feed inlet is provided with an adjustable baffle.

Preferably, the driving mechanism comprises a motor and a speed reducer, and an output shaft of the speed reducer is connected with any one of the sieve shafts.

The invention has the beneficial effects that:

1. the invention utilizes the characteristic of the equal-width curve of the Relo triangle, namely, two parallel lines are used for clamping and forcing the Relo triangle from any direction, and the distance between the two parallel lines is always the same, so that the size of a and b can not be changed when the parallel line spacing a of the clamping and forcing auxiliary disk and the parallel line spacing b of the clamping and forcing main disk rotate, only the parallel lines of the clamping and forcing main disk and the auxiliary disk can swing left and right, and the initial positions of the oppositely arranged Relo triangle sieve disks are the same, so that the size of the spacing c is always unchanged by synchronously rotating the sieve shaft, the probability of clamping hard garbage between the main disk and the auxiliary disk is greatly reduced, the rotation of the sieve shaft is influenced, the halt is caused, even the transmission mechanism is damaged, and the service life of the roller sieve is influenced.

2. The triangular roller screen comprises a plurality of screen shafts which are arranged in parallel at equal intervals, a plurality of reuleaux triangular screen disc structures distributed at equal intervals are arranged on the screen shafts, and the reuleaux triangular screen disc structures on two adjacent screen shafts are arranged oppositely, so that two adjacent screen shafts and the reuleaux triangular screen disc structures jointly form screen holes with preset sizes, the reuleaux triangular screen disc structures rotate along with the screen shafts to generate height difference, the effect of throwing and scattering materials is achieved, and the screening precision and the screening efficiency are improved.

3. The auxiliary disc is composed of two or more auxiliary disc assemblies, is made of high-density polyurethane, has elasticity, can absorb the kinetic energy of falling garbage thrown into a flying field so as to protect the main disc and prolong the service life of the sieve shaft, and the auxiliary disc assemblies are fixed with the main disc through bolts, so that the auxiliary disc which is firstly worn can be dismounted and maintained on line, the whole shaft is not required to be dismounted when the disc is replaced, the cost is saved, and the maintenance time is saved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a hair growth diagram of the invention at FIG. 1A;

FIG. 3 is an enlarged view of the present invention at FIG. 1B;

FIG. 4 is a schematic view of another angular configuration of the present invention;

FIG. 5 is a hair growth diagram of the present invention at FIG. 4C;

FIG. 6 is a schematic structural view between a main disc and an auxiliary disc according to the present invention;

FIG. 7 is a schematic structural diagram of an embodiment of a sub-disc of the present invention;

FIG. 8 is a schematic structural view of another embodiment of the auxiliary disc of the present invention;

in the figure: 10. a triangular roller screen; 11. a screen shaft; 12. a master disk; 13. an auxiliary disc; 131. a sub-disc assembly; 20. a roller screen frame; 21. a bearing seat; 22. an oil filler hole; 23. a nozzle mounting plate; 24. an oil cup mounting tube; 25. a straight-through type pressure injection oil cup; 26. a side plate; 27. a cover plate; 28. a feed inlet; 281. an adjustable baffle; 29. a discharge port; 30. a transmission mechanism; 31. a dual drive sprocket; 40. a drive mechanism.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to the drawings, a triangular roller screening device comprises:

triangle roller screen 10 includes and constitutes by the sieve axle 11 of a plurality of parallel equidistant settings, be provided with the reuleaux triangle sieve tray structure of a plurality of equidistant distributions on the sieve axle 11, the initial condition of reuleaux triangle sieve tray structure is the same, adjacent two on the sieve axle 11 the reuleaux triangle sieve tray structure sets up relatively, consequently two adjacent sieve axles 11 and the sieve mesh of reuleaux triangle sieve tray structure formation predetermined size jointly, and the reuleaux triangle sieve tray structure rotates along with sieve axle 11 and produces the discrepancy in elevation, reaches the effect of throwing and flying the material of breaing up to improve screening precision and screening efficiency.

In order to maintain the convenience, the reuleaux triangle sieve tray structure include with 11 fixed connection's of sieve main tray 12 and can dismantle the fixing and be in the auxiliary tray 13 of main tray 12 one side, main tray 12 and sieve axle welding, the size of auxiliary tray 13 is greater than main tray 12, main tray 12 with auxiliary tray 13 is the reuleaux triangle-shaped, and auxiliary tray 13 uses high density polyurethane to make, has elasticity, can absorb the kinetic energy that throws the ground rubbish and drop to protect the main tray, extension sieve axle 11's life. The auxiliary discs 13 on two adjacent sieve shafts 11 are positioned on different sides of the main disc 12, and the main disc 12 is opposite to the auxiliary discs 13 on the adjacent sieve shafts 11. By utilizing the characteristic of the equal-width curve of the Relo triangle, namely, no matter in what direction two parallel lines are used for clamping and forcing the Relo triangle, the distance between the two parallel lines is always the same, so that as shown in FIG. 6, when the main disc 12 and the auxiliary disc 13 rotate, the sizes of the a and the b are not changed, only the parallel lines of the clamping and forcing main disc 12 and the auxiliary disc 13 can swing left and right, but the initial positions of the structures of the Relo triangle screen discs arranged oppositely are the same, so that only the screen shaft 11 needs to be synchronously rotated, the size of the interval c is always unchanged, the probability that hard garbage is clamped between the main disc 12 and the auxiliary disc 13 is greatly reduced, the rotation of the screen shaft 11 is influenced, the machine halt is caused, even the transmission mechanism 30 is damaged, and the service life of the roller screen is influenced.

Specifically, the auxiliary disk 13 is composed of two or more auxiliary disk assemblies 131, as shown in fig. 7, the auxiliary disk 13 is divided into two auxiliary disk assemblies 131 by a dividing line passing through the midpoint, in other embodiments, the auxiliary disk assemblies 131 may also be as shown in fig. 8, and the auxiliary disk assemblies 131 are fixed with the main disk 12 by bolts, so that the auxiliary disk 13 worn first can be dismounted and repaired on line, and the disk can be replaced without dismounting the whole shaft, thereby saving cost and maintenance time.

Roller bearing sieve frame 20 for the installation triangle roller bearing sieve 10, be fixed with on the roller bearing sieve frame 20 with sieve axle 11 complex bearing frame 21, sieve axle 11 pass through the bearing with bearing frame 21 fixed connection, be equipped with oil filler point 22 on the bearing frame 21, oil filler point 22 is connected with unified oiling device through the notes oil pipe, unified oiling device including fixing the glib talker mounting panel 23 of roller bearing frame 20 one side, be fixed with a plurality of oil cup installation pipes 24 on the glib talker mounting panel 23, the one end of oil cup installation pipe 24 is connected with through type and presses notes oil cup 25, its other end and notes oil pipe intercommunication. The outside of bearing frame 21 is installed sealed panel beating and is sealed the parcel to bearing frame 21, reduces the dust and gets into the bearing. The bearing needs to be lubricated all the time in the long-time operation process, and the bearing seat 21 can be regularly injected with oil through the unified oil injection device, so that a sealing metal plate does not need to be detached, and the maintenance is convenient.

Specifically, be fixed with curb plate 26 and apron 27 on the roller screen frame 20, curb plate 26 and apron 27 can be made by the panel beating, also can be made by transparent plastic to the aspect is observed the roller screen operational aspect, in time makes the adjustment that corresponds, the feed inlet 28 has been seted up on the apron 27, feed inlet 28 is located roller screen direction of transfer's initial point top, keeps away from feed inlet 28 the discharge gate 29 has been seted up on the curb plate 26. The feed inlet 28 is equipped with adjustable baffle 281, and rubbish drops to the baffle from feed inlet 28 on, then drops to the roller screen again, and adjustable baffle 281 can play the effect of buffering, makes the speed that rubbish dropped to the roller screen even simultaneously, ensures not to exceed the best handling capacity of roller screen. One end of the adjustable baffle 281 is hinged with the roller screen frame 20, and the other end is a free end, so that the rotation angle can be adjusted through the push rod to adapt to different garbage. The thickness of the auxiliary disc 13 below the feeding hole 28 is larger than that of the auxiliary disc 13 at the rest positions so as to deal with the impact of garbage blanking and prolong the service life.

The transmission mechanism 30 is arranged on one side of the triangular roller screen 10 and enables the screen shaft 11 to synchronously rotate; the transmission mechanism 30 comprises double-drive chain wheels 31 coaxially fixed with the sieve shafts 11, and every two adjacent double-drive chain wheels 31 are connected through chains.

And the driving mechanism 40 is fixed with the roller screen frame 20 and used for driving the screen shaft 11 to rotate, the driving mechanism 40 consists of a motor and a speed reducer, and an output shaft of the speed reducer is connected with any screen shaft.

In this example, the industrial waste of a certain factory is screened, and according to the data detected in this example: total volume of waste Q entering the inlet per hour₀(treatment amount m)³And/h), the screening precision η ═ undersize volume/(undersize volume of waste smaller than the screen mesh in the oversize product + undersize volume), the results are shown in table 1:

table 1: industrial refuse treatment quantity and screening precision

Serial number	Name (R)	Throughput Q0	Screening accuracy eta
				1	Refuse fraction 1	20m3/h	85％
2	Refuse fraction 2	25m3/h	80％
				3	Refuse fraction 3	30m3/h	70％

In table 1, the screening accuracy tended to decrease as the amount of waste entering the feed inlet increased.

Table 2: transverse comparison of screening precision of industrial garbage of roller screen

Serial number	Name (R)	Processing capacity	Accuracy of screening
				1	Triangular roller screen	20m3/h	85％
2	Disc screen	20m3/h	60％
				3	Sine roller screen	20m3/h	70％
4	Slope type roller screen	20m3/h	69％

Compared with the same type of roller screen, the screening precision has obvious advantages under the condition of the same treatment capacity.

The working principle of the invention is as follows: the industrial garbage enters from the feeding hole 28 and drops to the adjustable baffle 281, the garbage slowly and uniformly drops to the triangular roller screen 10 through the adjustable baffle 281, after dropping on the triangular roller screen 10, the garbage is hit and thrown by the Luoluo triangular structure and advances towards the direction of the discharging hole 29, in the advancing process, the garbage again drops on a screening surface formed by each screen shaft, the garbage smaller than the size of the screen hole drops from the screen hole, the garbage larger than the screen hole moves to the discharging hole 29 along the screen surface, and the garbage discharged from the discharging hole 29 enters the conveyor belt.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.