CN220836651U - Drum screen cleaning device - Google Patents

Abstract

The utility model discloses a rotary screen cleaning device, and mainly relates to the field of rotary screens. Including the organism, rotate on the organism and be connected with the drive shaft, be connected with the screen drum in the drive shaft, the array distributes on the drive shaft has a plurality of branches, the array distributes on the screen drum has a plurality of fixed plates, the fixed plate extends along the axial of screen drum, branch and fixed plate are connected, rotate on the organism and be connected with a plurality of dwells, be equipped with the torsional spring between dwang and the organism, the tip of dwang is equipped with the batting, the batting contacts with the surface of screen drum, be equipped with the bead on the fixed plate, the dwang is located the rotation route of bead. The utility model has the beneficial effects that: the novel rotary screen can solve the technical problem that the conventional rotary screen is inconvenient to clean the blocked screen holes, can realize quick and effective cleaning of the blocking of the screen cylinder without an additional power structure, greatly reduces the cleaning difficulty and workload, and improves the cleaning convenience of the rotary screen cylinder.

Description

Drum screen cleaning device

Technical Field

The utility model relates to the field of drum screen cleaning, in particular to a drum screen cleaning device.

Background

A drum sieve for sieving when using, there is the material that the size is equivalent with the sieve mesh usually to block up the sieve mesh, and then leads to the holistic screening efficiency decline behind the partial sieve mesh jam, and the screen bowl is rotatory constantly, consequently it is difficult to carry out effectual cleanness to the screen bowl to utilize traditional clean mode, the majority condition is that the manual work is cleared up the sieve mesh of jam when the drum sieve shut down, the sieve mesh is numerous, the clearance degree of difficulty and working strength are all bigger, lead to the cleanness to current drum sieve comparatively inconvenient.

Disclosure of utility model

The utility model aims to provide a roller screen cleaning device which can solve the technical problem that the conventional roller screen is inconvenient to clean blocked screen holes, can quickly and effectively clean the blocked screen drum without an additional power structure, greatly reduces the cleaning difficulty and workload, and improves the cleaning convenience of the rotating screen drum.

The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

the utility model provides a drum sieve cleaning device, includes the organism, rotate on the organism and be connected with the drive shaft, be connected with the screen drum in the drive shaft, array distribution has a plurality of branches in the drive shaft, array distribution has a plurality of fixed plates on the screen drum, the axial extension of screen drum is followed to the fixed plate, branch and fixed plate are connected, rotate on the organism and be connected with a plurality of dwang, be equipped with the torsional spring between dwang and the organism, the tip of dwang is equipped with strikes ball, strike ball and screen drum's surface and contact, be equipped with the bead on the fixed plate, the dwang is located the rotation route of bead.

Further, a plurality of baffle columns are arranged on the machine body, and the torsion spring is positioned between the rotating rod and the baffle columns.

Further, one side of the baffle column is provided with a limiting groove, and the rotating rod is rotationally connected in the limiting groove.

Further, a plurality of grooves are formed in the convex edges, rollers are connected in the grooves in a rotating mode, and the rollers are in rolling contact with the rotating rods.

Further, the striking ball is made of elastic materials.

Further, the bottom of organism is equipped with the bottom plate that the cooperation screen cylinder used, the longitudinal section of bottom plate is the arc, bottom plate and screen cylinder all slope setting.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the utility model, the plurality of rotating rods are arranged on the machine body, the torsion springs are arranged between the rotating rods and the machine body, the striking balls are arranged at the end parts of the rotating rods and are contacted with the surface of the rolling screen cylinder, so that the screen cylinder can be contacted with the striking balls when the screen cylinder rotates, the striking balls and the rotating rods rotate relative to the machine body to compress the torsion springs, the striking balls are out of support after being separated from the screen cylinder when the rotating rods rotate, the striking balls are contacted with the surface of the screen cylinder again after being reset under the action of the elastic force of the torsion springs, the striking balls are sequentially reciprocated to be in intermittent contact with the surface of the screen cylinder, the continuous striking of the surface of the screen cylinder is realized, the blocking position on the screen cylinder is cleaned, and the driving of an additional power structure is not needed, so that the complexity of the device is simplified, the difficulty and the working strength of blocking and cleaning of the screen cylinder are greatly reduced, and the cleaning convenience is improved;

2. The machine body is rotatably provided with a driving shaft, a plurality of supporting rods are distributed on the driving shaft in an array manner, a plurality of fixing plates extending along the axial direction are distributed on the screen cylinder in an array manner, the supporting rods are connected with the fixing plates, the rotation of the rotating shaft is utilized to realize the rotation driving of the screen cylinder, meanwhile, the fixing plates are provided with convex edges, the rotating rods are positioned on the rotating paths of the convex edges, when the screen cylinder rotates, the convex edges rotate to the vicinity of the rotating rods and then are contacted with the rotating rods, and then extrudees the dwang and makes its certain range of rotation, carries out the compression of bigger degree to the torsional spring, and the bead resets under the elasticity effect of torsional spring behind dwang separation for strike the ball and carry out the striking of bigger intensity to screen cylinder surface, make the jam more easily be knocked down from the sieve mesh, thereby further improved the clear effect to screen cylinder jam position.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a front view of the present utility model.

FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2 in accordance with the present utility model.

Fig. 4 is an enlarged view of a portion of the utility model at B in fig. 3.

The reference numbers shown in the drawings:

1. A body; 2. a drive shaft; 3. a screen drum; 4. a support rod; 5. a fixing plate; 6. a rotating lever; 7. a torsion spring; 8. striking a ball; 9. a rib; 10. a baffle column; 11. a limit groove; 12. a groove; 13. a roller; 14. a bottom plate.

Detailed Description

The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.

Referring to fig. 1 and 2, the main structure of the utility model is a drum screen cleaning device, the main structure comprises a machine body 1, the machine body 1 is a main body part of a drum screen, the machine body 1 is rotatably connected with a driving shaft 2 through a bearing, a motor is arranged on the machine body 1, an output shaft of the motor is connected with the driving shaft 2 to realize the rotation driving of the driving shaft 2, a screen drum 3 is connected on the driving shaft 2, the longitudinal section of the screen drum 3 is of a circular ring structure with two open ends, a plurality of screen holes are distributed on the side wall of the screen drum 3 in an array manner, materials to be screened are poured into one end of the screen drum 3, small particles fall into the lower part after passing through the screen holes, the large particles are remained in the screen drum 3, the effective screening treatment of the materials is realized, a plurality of struts 4 welded or fixed by bolts are distributed on the driving shaft 2 in an array manner, a plurality of fixed plates 5 which are welded or fixed by bolts are distributed on the screen cylinder 3 in an array manner, the fixed plates 5 extend along the axial direction of the screen cylinder 3, the fixed plates 5 are used for fixing the screen cylinder 3, the structural strength of the screen cylinder 3 in the axial direction is ensured, the condition that the screen cylinder 3 is bent due to too heavy materials is avoided, the supporting rods 4 are welded or fixedly connected with the fixed plates 5, the supporting structure of the screen cylinder 3 is formed by the supporting rods 4 and the fixed plates 5 in such a structure, the accurate and stable rotation driving of the driving shaft 2 on the screen cylinder 3 is realized, a plurality of rotating rods 6 are rotatably connected on the machine body 1 through pin shafts or hinges, torsion springs 7 are arranged between the rotating rods 6 and the machine body 1, the end bolts of the rotating rods 6 are connected with knocking balls 8 or through fixing ropes, the knocking balls 8 are contacted with the surface of the screen cylinder 3, the knocking balls 8 keep contact with the screen cylinder 3 when the screen cylinder 3 is stationary, and when screen drum 3 rotates, because the effect of centripetal force can make to strike ball 8 and dwang 6 and carry out the rotation of certain range, compress to torsional spring 7, strike ball 8 after dwang 6 rotates and lose the support of screen drum 3, dwang 6 resets and rotates under the effect of torsional spring 7 elasticity, make to strike ball 8 again with screen drum 3 surface contact, reciprocal realization in proper order strikes the repetition on screen drum 3 surface, thereby carry out effectual cleanness to the sieve mesh that blocks up on the screen drum 3, need not to set up extra power structure, make to screen drum 3 clean simpler and convenient, the clear degree of difficulty and the work load of having greatly reduced, welded or bolted connection have bead 9 on the fixed plate 5, dwang 6 is located the rotation route of bead 9, such structure is when screen drum 3 drives bead 9 and rotates, 9 and dwang 6 contact can drive dwang 6 and rotate bigger range, make torsional spring 7 compressed bigger range, and then can bring bigger beating dynamics when making the sieve mesh that blocks up on screen drum 3, further thoroughly and the clean effect to screen drum 3 surface has been beaten to the screen drum 3.

Preferably, referring to fig. 3, a plurality of blocking posts 10 are welded or bolted on the machine body 1, the torsion spring 7 is located between the rotation rod 6 and the blocking posts 10, the blocking posts 10 extend vertically and are used for providing fixed support for the torsion spring 7, so that the rotation rod 6 rotates towards a direction close to or far away from the blocking posts 10, and further the torsion spring 7 between the two is accurately compressed, thereby ensuring the accuracy of the reset rotation of the rotation rod 6 and the accuracy of the surface cleaning of the screen cylinder 3.

Preferably, referring to fig. 4, one side of the baffle post 10 is provided with a limit groove 11, the limit groove 11 penetrates through the baffle post 10 to face the side face of the rotating rod 6, the rotating rod 6 is rotationally connected in the limit groove 11, and the position of two sides of the rotating rod 6 can be limited by the limit groove 11, so that the rotating rod 6 cannot shake or incline in the rotating process, the knocking ball 8 on the rotating rod 6 can be accurately contacted with the surface of the screen drum 3 to be knocked, and the effect of knocking the surface of the screen drum 3 is ensured.

Preferably, a plurality of grooves 12 are formed in the rib 9, rollers 13 are rotatably connected in the grooves 12 through bearings, the rollers 13 are in rolling contact with the rotating rod 6, and the structure enables the rib 9 to be in rolling contact with the rotating rod 6 when the rotating rod 6 is in contact and extrusion driving rotation, so that friction force at the contact position of the rib 9 and the rotating rod 6 is reduced, movement interference is reduced, the rotating rod 6 is clamped, the rotating rod 6 rotates more smoothly, and smoothness of a knocking cleaning structure is improved.

Preferably, the knocking ball 8 is made of elastic materials, and specific rubber or silica gel materials can be used, so that the damage to the surface of the screen cylinder 3 is reduced while the knocking cleaning effect is ensured, and the integrity of the screen cylinder 3 is ensured.

Preferably, the bottom of organism 1 is equipped with the bottom plate 14 that cooperation screen drum 3 used, and one side of bottom plate 14 sets up the discharge gate, and the material after the screening falls on bottom plate 14 and carries out the ejection of compact, the longitudinal section of bottom plate 14 is the arc, bottom plate 14 and screen drum 3 all slope setting, and such structure makes the material of taking the screening and the material that the screening finishes all can follow the direction continuous motion and the ejection of compact of slope for the ejection of compact of material after the screening is more smooth and easy and convenient.

Working principle: according to the utility model, the machine body 1 is provided with the plurality of rotating rods 6, the torsion spring 7 is arranged between the rotating rods 6 and the machine body 1, the knocking balls 8 are arranged at the end parts of the rotating rods 6, the knocking balls 8 are in contact with the surface of the rolling screen cylinder 3, and by adopting the structure, when the screen cylinder 3 rotates, the screen cylinder 3 can be in contact with the knocking balls 8, so that the knocking balls 8 and the rotating rods 6 rotate relative to the machine body 1, the torsion spring 7 is compressed, when the rotating rods 6 rotate, the knocking balls 8 are separated from the screen cylinder 3 and then lose support, after the rotating rods 6 reset under the action of the elastic force of the torsion spring 7, the knocking balls 8 are in contact with the surface of the screen cylinder 3 again, and the knocking balls 8 are in contact with the surface of the screen cylinder 3 in a reciprocating manner in sequence, so that continuous knocking of the surface of the screen cylinder 3 is realized, and further, the blocking position on the screen cylinder 3 is cleaned, no additional driving power structure is needed, the complexity of the device is simplified, the blocking and cleaning difficulty and working strength of the screen cylinder 3 are greatly reduced, and cleaning convenience is improved; the rotary screen is characterized in that a driving shaft 2 is rotatably arranged on the screen body 1, a plurality of supporting rods 4 are distributed on the driving shaft 2 in an array manner, a plurality of fixing plates 5 extending along the axial direction are distributed on the screen cylinder 3 in an array manner, the supporting rods 4 are connected with the fixing plates 5, rotation of a rotating shaft is utilized to realize rotation driving of the screen cylinder 3, meanwhile, a convex rib 9 is arranged on the fixing plates 5, the rotating rod 6 is located on a rotation path of the convex rib 9, when the screen cylinder 3 rotates, the convex rib 9 rotates to the vicinity of the rotating rod 6 and then contacts with the rotating rod 6, the rotating rod 6 is extruded to enable the rotating rod 6 to rotate by a certain extent, the torsion spring 7 is compressed to a greater extent, the rotating rod 6 is reset under the elastic force of the torsion spring 7 after the convex rib 9 is separated from the rotating rod 6, so that a knocking ball 8 knocks the surface of the screen cylinder 3 by a larger strength, and a blocking object is knocked down from a screen hole more easily, and therefore the effect of cleaning the blocking position of the screen cylinder 3 is further improved.

Claims (6)

1. The utility model provides a drum sieve cleaning device, includes organism (1), rotation is connected with drive shaft (2) on organism (1), be connected with screen cylinder (3), its characterized in that on drive shaft (2): the utility model discloses a sieve tube, including drive shaft (2) and fixed plate (5), array distribution has a plurality of branches (4) on drive shaft (2), array distribution has a plurality of fixed plates (5) on sieve tube (3), axial extension along sieve tube (3) of fixed plate (5), branch (4) are connected with fixed plate (5), rotate on organism (1) and be connected with a plurality of dwang (6), be equipped with torsional spring (7) between dwang (6) and organism (1), the tip of dwang (6) is equipped with strikes ball (8), strike ball (8) and sieve tube (3) surface phase contact, be equipped with bead (9) on fixed plate (5), dwang (6) are located the rotation route of bead (9).

2. A trommel cleaning apparatus as claimed in claim 1, wherein: the machine body (1) is provided with a plurality of baffle columns (10), and the torsion spring (7) is positioned between the rotating rod (6) and the baffle columns (10).

3. A trommel cleaning apparatus as claimed in claim 2, wherein: one side of the baffle column (10) is provided with a limit groove (11), and the rotating rod (6) is rotationally connected in the limit groove (11).

4. A trommel cleaning apparatus as claimed in claim 1, wherein: the convex rib (9) is provided with a plurality of grooves (12), the grooves (12) are rotationally connected with rollers (13), and the rollers (13) are in rolling contact with the rotating rod (6).

5. A trommel cleaning apparatus as claimed in claim 1, wherein: the knocking ball (8) is made of elastic materials.

6. A trommel cleaning apparatus as claimed in claim 1, wherein: the bottom of organism (1) is equipped with bottom plate (14) that cooperation screen drum (3) used, the longitudinal section of bottom plate (14) is the arc, bottom plate (14) and screen drum (3) all slope setting.