CN208912504U - A kind of double circular shaft vibrating screens - Google Patents

Abstract

The utility model discloses a kind of double circular shaft vibrating screens, belong to vibrating screen apparatus field, solve the problems, such as ....It includes screen box, the driving assembly for driving screen box vibration, the shock bracket for being used to support screen box damping simultaneously, and screen box includes sieve, shell, and sieve includes the more sieve lines being parallel to each other, and the setting direction for sieving line is parallel with the plane of oscillation of screen box；It is provided with ejection piece between every two sieves line, when screen box is vibrated to lowest part, ejection piece upper end is located above sieve line；Ejection piece lower end is connected with connecting rod, and shell is sheathed on outside connecting rod, and the loose slot moved on shell for connecting rod is offered on shell；Connecting rod lower end is pierced by shell and fixes with ground.The utility model is ejected the material being stuck in sieve line by the way that ejection piece is arranged between sieve line.

Description

A kind of double circular shaft vibrating screens

Technical field

The utility model relates to vibrating screen apparatus field, in particular to a kind of double circular shaft vibrating screens.

Background technique

Vibrating screen is vibrated using reciprocating rotary type caused by oscillator exciting and is worked.The upper rotation weight of oscillator makes to sieve Face generates plane whirling vibration, and lower rotation weight then makes compass screen surface generate conical surface rotary vibration, and the effect of synergy then makes Compass screen surface generates again rotation type and vibrates.It is mainly used for the size screening and separation of solid matter.

Notification number is CN204503546U, and publication date is that the Chinese patent on July 29th, 2015 discloses a kind of double-shaft circular Vibrating screen, including motor, vibrator, screen box and screen frame (unit), screen box on be equipped with the main shafts of 2 fixed vibrators, 2 main shafts are equal It is rotatablely connected with screen box, one end of 2 main shafts is equipped with gear-box, and main shaft is connected with gear-box by flexible connection structure, gear Case is fixed on screen frame (unit), and gear-box is driven using angular wheel, and motor drives main axis by gear-box.

The above-mentioned prior art guarantees continuity of the motor to spindle drive twisting resistance, prevents from beating during motor drive Sliding, stuck phenomenon extends service life of equipment；But sieve is easy to block material similar with sieve sizing grid.When blocking Need to shut down processing.

Utility model content

It is easy to block material the purpose of the utility model is to overcome the sieve of vibrating screen in the prior art, and needs dock The deficiency of reason, and a kind of double circular shaft vibrating screens are provided, achieve the effect that without shutting down material in processing grid.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of double circular shaft vibrating screens, the driving assembly vibrated including screen box, driving screen box are used to support screen box damping simultaneously Shock bracket, screen box includes sieve, shell, and the sieve includes the more sieve lines being parallel to each other, sieve the setting direction of line with The plane of oscillation of screen box is parallel；Multiple ejection pieces are provided between every two sieves line, when screen box is vibrated to lowest part, ejection piece Upper end is located above sieve line.

By adopting the above technical scheme, when screen box vibrates, sieve line is done on vertical plane to be vibrated, when screen box moves up, ejection Part is located at below sieve line, and sieve line can screen material；When screen box moves down, ejection piece is pierced by between sieve line, by card Material ejection between sieve line allows vibrating screen that will sieve the material blocked in line while vibration and clears up, nothing Cleaning need to be shut down.Driving assembly drives screen box to do complex vibration on vertical plane, and sieves the setting direction of line and the vibration of screen box Plane is parallel, and ejection piece is set between sieve line, and the positional relationship between ejection piece and sieve line makes ejection piece and sieve line will not Generate interference.

Further preferably are as follows: the ejection piece is provided with the first inclined-plane close to the side of sieve line.

By adopting the above technical scheme, when the upper surface of ejection piece is horizontal plane, it may be such that material lagging is ejecting On part, the efficiency of vibration and the screening of vibrating screen will affect；After the first inclined-plane is arranged, material can be fallen along the first inclined-plane Under, it will not stay on ejection piece.

Further preferably are as follows: the ejection piece lower end is connected with connecting rod, and shell is sheathed on outside connecting rod, and is opened on shell Equipped with the loose slot moved on shell for connecting rod；Connecting rod lower end is pierced by shell and fixes with ground.

By adopting the above technical scheme, ejection piece realizes by connecting rod and fixes that connecting rod is fixed with ground, so that ejection piece It is not moved with the entirety of connecting rod；And on the other hand, driving assembly will drive shell and vibrated, shell and connecting rod it Between exist relative movement, relative movement of the loose slot between shell and connecting rod provides space, so that shell and connecting rod Between will not interfere with each other.Connecting rod will not occupy screen box inner volume simultaneously.

Further preferably are as follows: the connecting rod includes the vertical bar fixed with ground, the water for connecting vertical bar and ejection piece Flat bar；The loose slot include for placing the vertical slots of vertical bar, the level trough for placing horizon bar one end；Level trough one Place shell is run through at end.

By adopting the above technical scheme, horizon bar is movable in level trough, and vertical slots are movable in vertical slots.

Further preferably are as follows: the sealing plate risen as high as the banks for sealing water, the sealing plate and shell are provided on the horizon bar Body abuts.

By adopting the above technical scheme, level trough is blocked using sealing plate, places material and carry out in shell, by vibrating screen card Extremely.

Further preferably are as follows: the horizon bar is provided with the second inclined-plane close to the side of sieve line.

By adopting the above technical scheme, when the upper surface of horizon bar is horizontal plane, it may be such that material lagging in level On bar, the efficiency of vibration and the screening of vibrating screen will affect；After the first inclined-plane is arranged, material can be fallen along the first inclined-plane Under, it will not stay on horizon bar.

Further preferably are as follows: the driving component includes motor, two rotation axis fixed with motor output shaft, is fixed on Eccentric wheel in every rotation axis；Rotation axis is arranged in shell and connect with housing into rotation.

By adopting the above technical scheme, motor driven rotation axis rotates, and rotation axis band movable eccentric wheel rotates, and is rotated using bias The centrifugal force generated when dynamic drives screen box.

Further preferably are as follows: the driving component further includes placement plate, and placement plate is fixed with ground, and motor is placed in placement On plate.

By adopting the above technical scheme, mounting means is provided for motor.

Further preferably are as follows: the shock bracket includes the bracket fixed with bottom surface, the fixed block fixed with shell, connect The damping spring of fixed block and bracket.

By adopting the above technical scheme, shock bracket can be supported screen box, while realizing support, reduce screen box Vibrate the influence to ground.

Further preferably are as follows: elastic rubber is provided with outside the damping spring.

By adopting the above technical scheme, rubber also has certain elasticity, can be with when damping spring is used together with rubber Extend the service life of damping spring.

In conclusion the utility model has the following beneficial effects:

1, by setting ejection piece, the material being stuck between sieve line can be ejected in shaker vibration by realizing, be not necessarily to Shutdown operation；

2, by setting connecting rod, loose slot, so that ejection piece and screen box will not interfere with each other, and connecting rod will not be occupied Volume in screen box；

3, by setting the first inclined-plane, the second inclined-plane, so that material will not be stranded in the upper surface of ejection piece and connecting rod；

4, by setting damping spring and rubber, extend the service life of damping spring.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the top view of the utility model；

Fig. 3 is the cross-sectional view of A-A cutting line in Fig. 2；

Fig. 4 is the cross-sectional view of B-B cutting line in Fig. 2；

Fig. 5 is the top view of damping spring and elastic rubber；

Fig. 6 is the cross-sectional view of C-C cutting line in Fig. 5.

Appended drawing reference: 1, screen box；11, shell；111, side plate；112, connecting plate；113, vertical plate；114, feeding end； 115, discharge end；12, sieve；121, line is sieved；13, loose slot；131, vertical slots；132, level trough；2, driving assembly；21, electric Machine；22, rotation axis；23, eccentric wheel；24, placement plate；3, shock bracket；31, bracket；32, fixed block；33, damping spring；34, Elastic rubber；4, ejection piece；41, the first inclined-plane；5, connecting rod；51, vertical bar；52, horizon bar；521, the second inclined-plane；6, close Sealing plate.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of double circular shaft vibrating screens, as shown in Figure 1, including screen box 1, for driving screen box 1 to vibrate on perpendicular Driving assembly 2 is used to support screen box 1 while realizing the shock bracket 3 of damping.Screen box 1 includes shell 11 and sieve 12, screen box 1 On be provided with for ejecting 12 ejection pieces 4 for being stuck in material in sieve 12.

As shown in Figure 1, screen box 1 has feeding end 114 and discharge end 115.Shell 11 includes two blocks of side plates being vertically arranged 111, two pieces of connecting plates 112 of two blocks of side plates 111 are connected, seal side plate 111 close to the vertical plate 113 of 114 side of feeding end.Side The extending direction of plate 111 and the transporting direction of material are identical, and two pieces of connecting plates 112 are located at 114 He of feeding end of side plate 111 Discharge end 115.Sieve 12 includes three sieve lines 121 that are parallel to each other and are uniformly arranged, and sieves the setting direction and side plate 111 of line 121 Extending direction it is identical；The both ends of sieve line 121 are individually fixed in 111 lower surface of side plate.

As shown in Figure 1, driving assembly 2 includes the placement plate 24 being set on ground, two be fixed in placement plate 24 Motor 21, respectively two piece rotation axis 22 fixed with even 21 output shaft of motor, the eccentric wheel 23 being fixed in rotation axis 22；It puts It sets plate 24 and motor 21 is located at the side of screen box 1.Two 22 one end of rotation axis and motor 21 export axis connection, and the other end passes through two The other side of the arrival screen box 1 of block side plate 111；And rotation axis 22 is flexibly connected with side plate 111.Eccentric wheel 23 is located at two blocks of side plates Between 111.When starting motor 21, eccentric wheel 23 is rotated, and eccentric wheel 23 generates centrifugal force when rotating, and screen box 1 is driven to vibrate.

As shown in Figure 1, there are four shock brackets 3, be respectively arranged at every block of side plate 111 close to the side of feeding end 114 and Close to the side (referring to fig. 2) of discharge end 115.Shock bracket 3 includes consolidating with underside fixing bracket 31, with 111 outer surface of side plate The damping spring 33 of fixed fixed block 32, connection fixing block 32 and bracket 31.Damping spring 33 be vertically arranged and both ends respectively with Bracket 31 and fixed block 32 are fixed.As shown in Figure 5 and Figure 6, damping spring 33 is coated with elastic rubber 34.

Shown in as shown in Figures 2 and 3, loose slot 13 is offered on shell 11.4 lower end of every two pieces of ejection pieces is fixed with one Connecting rod 5,5 lower end of connecting rod are fixed with ground.It is opened up on side plate 111 there are six loose slot 13, is offered on every block of side plate 111 Three.Ejection piece 4 is vertically arranged and is staggered (referring to fig. 4) with eccentric wheel 23.

As shown in figure 3,4 shape of ejection piece is cuboid, 4 upper surface of ejection piece is provided with the first inclined-plane 41.Connecting rod 5 is wrapped The horizon bar 52 for including the vertical bar 51 fixed with ground, connecting vertical bar 51 and ejection piece 4.52 upper surface of horizon bar not with ejection The fixed region of part 4 is provided with the second inclined-plane 521(referring to fig. 4).Loose slot 13 include accommodate vertical bar 51 vertical slots 131, Accommodate the level trough 132 at level trough 132 and 131 switching of vertical slots；Vertical slots 131 and level trough 132 are interconnected, vertical slots 131 and the cross section of level trough 132 be rectangle；Level trough 132 runs through place side plate 111 close to 1 inside one end of screen box.Every The sealing plate 6 of one piece of cuboid is respectively and fixedly provided on horizon bar 52, sealing plate 6 is abutted with side plate 111, and covers level trough 132.

The working condition of the present embodiment is as follows: when installation, vertical bar 51 and bracket 31 being fixed on ground, fixed block 32 It is fixed with side plate 111；Start motor 21 later, so that eccentric wheel 23 drives screen box 1 to vibrate.When screen box 1 vibrates, screen box 1 vibrates It is located at 4 lower section of ejection piece to sieve line 121, ejection piece 4 ejects the material being stuck in sieve line 121；Screen box 1 is vibrated to sieve line 121 Positioned at 4 lower section of ejection piece, material can be screened.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (10)

1. a kind of double circular shaft vibrating screens, the driving assembly (2) vibrated including screen box (1), driving screen box (1) are used to support screen box (1) shock bracket (3) of damping simultaneously, screen box (1) includes sieve (12), shell (11), which is characterized in that the sieve (12) The sieve line (121) being parallel to each other including more, the setting direction for sieving line (121) are parallel with the plane of oscillation of screen box (1)；Every two Multiple ejection pieces (4) are provided between sieve line (121), when screen box (1) is vibrated to lowest part, ejection piece (4) upper end is located at sieve Above line (121).

2. a kind of double circular shaft vibrating screens according to claim 1, which is characterized in that the ejection piece (4) is close to sieve line (121) side is provided with the first inclined-plane (41).

3. a kind of double circular shaft vibrating screens according to claim 1, which is characterized in that ejection piece (4) lower end is connected with Connecting rod (5), shell (11) are sheathed on connecting rod (5) outside, and are offered on shell (11) for connecting rod (5) on shell (11) Mobile loose slot (13)；Connecting rod (5) lower end is pierced by shell (11) and fixes with ground.

4. a kind of double circular shaft vibrating screens according to claim 3, which is characterized in that the connecting rod (5) includes and ground The horizon bar (52) of fixed vertical bar (51), connection vertical bar (51) and ejection piece (4)；The loose slot (13) includes being used for The vertical slots (131) of placement vertical bar (51), the level trough (132) for placing horizon bar (52) one end；Level trough (132) one Place shell (11) are run through at end.

5. a kind of double circular shaft vibrating screens according to claim 4, which is characterized in that be arranged on the horizon bar (52) useful It rises as high as the banks the sealing plate (6) of (132) in sealing water, the sealing plate (6) abuts with shell (11).

6. a kind of double circular shaft vibrating screens according to claim 4, which is characterized in that the horizon bar (52) is close to sieve line (121) side is provided with the second inclined-plane (521).

7. a kind of double circular shaft vibrating screens according to claim 1, which is characterized in that the driving component (2) includes motor (21), two rotation axis (22) fixed with motor (21) output shaft, the eccentric wheel (23) being fixed on every rotation axis (22)； Rotation axis (22) is arranged in shell (11) and is rotatablely connected with shell (11).

8. a kind of double circular shaft vibrating screens according to claim 7, which is characterized in that the driving component (2) further includes putting It sets plate (24), placement plate (24) is fixed with ground, and motor (21) is placed on placement plate (24).

9. a kind of double circular shaft vibrating screens according to claim 1, which is characterized in that the shock bracket (3) includes and bottom The damping bullet of fixed block (32), connection fixing block (32) and bracket (31) that the fixed bracket (31) in face and shell (11) are fixed Spring (33).

10. a kind of double circular shaft vibrating screens according to claim 9, which is characterized in that the damping spring (33) is arranged outside Flexible rubber (34).