CN2222009Y - Double-cavity roll type combined crusher - Google Patents

Abstract

The utility model relates to a double-cavity roller type combined crusher for carrying out crushing work to the materials such as ores, rocks, etc. Double crushing cavities are composed of fixed toothed plates (5) on the both sides of an upper machine frame (6), front and back crushing rollers (11, 12) sheathed with an eccentric shaft (7) with two eccentric working faces, and a lining board (29) on one side wall board. The secondary crushing of a roller type crushing mechanism is finished by a swing rod compacting composed of a driving roller (24) and a hinge axis (28) on a lower machine frame (16) through a swing rod (17) connected to a driven roller (13). Materials are crushed two times by the utility model, so the crushing rate of the materials can reach more than 50.

Description

The combined disintegrating machine of two-chamber roll-type

The utility model belongs to crushing technology equipment, the combined disintegrating machine of particularly a kind of two-chamber roll-type, and it can be widely used for the crushing operation of materials such as various ores or rock.

Prior art " combined two-chamber revolution super fine crusher " is (referring to Chinese patent: 92224094.9) mainly adopt the twin-chamber rotary crusher structure of three isosceles triangles arrangements, can realize high productivity, large reduction ratio and ultra-fine broken operation.But this fine crusher structure is complicated, and parts installation and maintenance inconvenience, particularly eccentric shaft is stressed concentrates fragile and its circumference course of work discontinuous time is long, causes part power to waste; Because safeties adopt the cast iron bracket, not only adjustable range is narrow, and needs after damaging to shut down to change, and influence is produced.

For overcoming the shortcoming of prior art, the purpose of this utility model provides a kind of simple in structure, is convenient to the assembling maintenance, and is broken stressed rationally with eccentric shaft, the combined disintegrating machine of two-chamber roll-type that can further cut down the consumption of energy.

The utility model is compared and has been done following remarkable improvement with prior art " the super fine crusher of combined two-chamber revolution ".

1, frame adopts and divides body structure, interface to be on the center line plane of eccentric shaft up and down, can be convenient to the installation of internal works like this, adjusts and maintenance.

2, crushing operation is alternately finished in two sections dislocation of eccentric shaft employing eccentric structures design, and two breaker rolls that are set with, and this has just improved the force-bearing situation of eccentric shaft, raises the efficiency, and cuts down the consumption of energy.

3, two couple of breaker roll and bilateral symmetry installation decides tooth plate composition double crashing cavity, not only simplifies the structure, and the vertical direction of crusher chamber is shortened, and helps flowing of material, improves crushing efficiency.

4, adopt spring and adjusting bolt to form the elasticity safeties, the pressure adjustable range is wide, and is not fragile, can protect axle, roller effectively and keep ordinary production.

5, the oppositely rolling roller crusher structure is adopted in second-time breakage, and it is made of drive roll and driven voller, and driven voller is supported by fork, and cooperates with the elasticity safeties, and is not only simple in structure, reliable, and is convenient to adjust particle size after cracking.

Fig. 1, the combined crusher structure figure of two-chamber roll-type

A among Fig. 2, Fig. 1-A cutaway view

B among Fig. 3, Fig. 1-B cutaway view

C among Fig. 4, Fig. 2-C cutaway view

Each parts title in the accompanying drawing:

1, material feeding baffle; 2, decide the tooth plate supporting plate; 3, suspended axle; 4, wedge; 5, decide tooth plate; 6, upper spider; 7, eccentric shaft; 8,14, regulate bolt; 9,15, spring; 10, pull bar; 11, back breaker roll; 12, preceding breaker roll; 13, driven voller; 16, lower bearing bracket; 17, fork; 18, sprocket wheel; 19,23,26, bearing; 20, inner bearing; 21, belt pulley; 22, driving shaft; 24, drive roll; 25, base; 27, driven shaft; 28, hinge axis; 29, liner plate; 30, motor; 31, flywheel

Now in conjunction with the accompanying drawings and embodiments the utility model is done detailed description.

As shown in Figure 1, 2, mainly by the two-chamber roll crushing mechanism that is installed in the frame, fork compresses the oppositely rolling roller crusher structure to the utility model, and base 25, motor 30 and transmission device thereof are formed.

The frame that is loaded on the base 25 is even formed for 6,16 groups by upper and lower frame.The two interface is on the center line horizontal plane of eccentric shaft 7, is connected and fixed with bolt between last lower bearing bracket.Opening upper spider can install easily, adjust, keep in repair, change internal works.

Mainly by being loaded on material feeding baffle 1, suspended axle 3 on the upper spider, deciding to decide tooth plate 5 on the tooth plate supporting plate 2, the forward and backward breaker roll 12,11, elasticity safeties and the positioning tie bar 10 that are sleeved on the eccentric shaft 7 are formed in two-chamber roll crushing mechanism.The top of upper spider 6 is the funnel-form material feeding baffle, plays the effect of material input orientation.Be fixed on and adorning two pairs on the medianly zygomorphic suspended axle 3 of upper spider and decide the tooth plate supporting plate, decide tooth plate under the compressing of wedge 4, closely cooperate with supporting plate, and two pairs to decide tooth plate be corresponding installation with forward and backward breaker roll.There is adjustable positioning tie bar 10 the supporting plate lower end, to adjust the gap that tooth plate and breaker roll are decided in control.The supporting plate rear lower is also being adorned by spring 9 and is being regulated the elasticity safeties that bolt 8 is formed.The pull bar and the other end of regulating bolt are fixed on the frame positioning tie bar and safeties mating reaction and to deciding the damage of tooth plate, breaker roll, keep ordinary production to guarantee the enough pressure of crushing operation in the time of can preventing to transship again.Both sides are decided tooth plate and are contained in the liner plate 29 common double crashing cavities of forming on the wallboard before and after forward and backward breaker roll on the eccentric shaft and the upper spider.

2,4 design features of finding out eccentric shaft 7 of the present utility model in conjunction with the accompanying drawings: the design of the middle part of axle have with spool two sections corresponding eccentric working faces of work center of rotation, the center of these two sections eccentric working faces equates with the eccentric throw that the work center of rotation forms, and α phase angle of mutual dislocation skew along the circumferential direction.As shown in Figure 4,0 is the work center of rotation of eccentric shaft 7, and 011,012 is respectively the center of two sections eccentric working faces, and wherein δ 1=δ 2 generally selects in the 2-10mm scope, and phase angle [alpha] is selected between 45 °～180 °.Breaker roll 11,12 is supported by two pairs of inner bearings 20 and is set on two eccentric working faces of eccentric shaft, and eccentric shaft is supported and fixed between the frame 6,16 by pair of bearings 19.The two ends of axle are also divided and are worn belt pulley 21, sprocket wheel 18, flywheel 31.

Shown in Fig. 2,3, be installed on and on the lower bearing bracket 16 on the base 25 fork be installed and compress the oppositely rolling roller crusher structure.Its driving shaft 22, suit of mainly drive roll 24 by suit the driven shaft 27, fork 17, sprocket wheel 18, hinge axis 28 of driven voller 13 and by spring 15 with regulate the elasticity safeties that bolt 14 forms and formed.Driving shaft 22 two ends are supported by pair of bearings 23 and are packed on the lower bearing bracket, and end dress sprocket wheel 18 links to each other with sprocket wheel on the eccentric shaft 7 by chain.The upper end that is packed in a pair of fork 17 is supported by pair of bearings 26 in the driven shaft two ends of driving shaft level one side, and its lower end is separately fixed at the two ends of lower bearing bracket upper hinge axle 28.Fork is axle with the hinge axis, can swing.Fork top one side is being adorned elastic pressuring clamping device, and the other end of regulating bolt is fixed on the frame.Elastic pressuring clamping device and adjusting bolt cooperate, and make the working clearance and the pressure that had both kept certain between drive roll and the driven voller, damage beaming roller when having certain elasticity to prevent to transship again.

The above-mentioned spring that the elasticity safeties adopted (9 or 15) is helical spring or the spring plate group for being formed by stacking by the multi-disc disc spring film by the spring steel wire coiling.

The utility model crushing operation process is that the motor that is fixed on the base drives belt pulley by driving belt, makes eccentric shaft do directed the rotation.After material enters crusher chamber, because the wobbler action of breaker roll, make roller surface and decide between the tooth plate apart from the generating period variation, realization is carried out attrition crushing to material, again because two breaker roll off-centre differ phase angle [alpha], make two breaker rolls alternately and decide tooth plate change distance, that is to say that crushing operation is that segmentation hockets.So just make that the operating pressure that eccentric shaft bore reduces greatly.According to surveying and determination, this eccentric work structuring is to the demand reduction by 20%～40% of power of electric motor demand than single eccentric structure.

Discharge between tooth plate and breaker roll from deciding through the material of primary fragmentation, enter in the double-roll crusher structure of below and carry out second-time breakage.Because eccentric shaft rotates by sprocket wheel, chain and drives drive roll and rotate, thereby make the driven shaft locking phase to rotation.When material enters between drive roll and the driven voller, by broken once more.Can control particle size after cracking by adjusting the adjusting bolt.Through after twice fragmentation, the material ratio of reduction can reach more than 50 like this.

The utility model is when implementing, and upper and lower frame adopts steel plate, section bar assembly unit to be welded, and each roller abridged table face is formed by the wear resistant alloy material built-up welding, decides the tooth plate steel-casting, the common spring material of spring.

Claims (5)

1, the combined disintegrating machine of a kind of two-chamber roll-type, its composition comprises the material feeding baffle (1) on upper spider (6) top, suspended axle (3), liner plate (29), pull bar (10), base (25), motor and transmission device thereof: belt pulley (21) sprocket wheel (18), flywheel (31), it is characterized in that being packed on the side-by-side mounting axle (3) two pairs of tooth plates of deciding on the tooth plate supporting plate (2) (5) of deciding and form the roll-type double crashing cavity with the forward and backward breaker rolls (12,11) that are sleeved on (7) two eccentric working faces of eccentric shaft; Have on the lower bearing bracket (16) by suit and the driving shaft (22) of drive roll (24), the driven shaft (27) that suit driven voller (13), its two ends are connected with hinge axis (28) by fork (17) and form fork and compress crushing mechanism; Above-mentioned two mechanisms are equipped with by spring (9 or 15) respectively and regulate the elasticity safeties that bolt (8 or 14) is formed.

2, disintegrating machine according to claim 1 is characterized in that two eccentric working face centers of described eccentric shaft (7) equate with the eccentric throw of axle work center of rotation, and the two mutual offset alpha phase angle.

3,, it is characterized in that described α phase angle selects between 45 °～180 ° according to the described disintegrating machine of claim 2.

4, disintegrating machine according to claim 1, the spring that it is characterized in that described elasticity safeties are helical spring or are formed by stacking by the butterfly spring sheet.

5, disintegrating machine according to claim 1 is characterized in that describedly deciding to decide tooth plate (5) by wedge (4) compression fit on the tooth plate supporting plate (2).

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