The animal crusher cutter of interchangeable bit
Affiliated field
The present invention relates to a kind of crusher cutter, particularly have the animal crusher cutter of interchangeable bit.
Background technology
The operating mechanism of animal disintegrating machine mainly comprises: casing, be installed in working shaft in the casing, be installed on hobboing cutter on the axle, be fixed on the stationary knife in the casing.When work, the shearing force that produces between the impulsive force that the dependence hobboing cutter produces in rotation and hobboing cutter and the stationary knife is broken with larger animal, so hobboing cutter plays a part very important.The cutter head and the tool rest of existing Animal Body Breaker cutter are structure as a whole more; Its advantage is to guarantee that cutter head has enough intensity; But anufacturability is had higher requirement, and after cutter weares and teares, need to change the monoblock cutter or the blade of polishing again.
Consider the level of processing restriction of present China most machining factory, guarantee that the machining accuracy of cutter has certain degree of difficulty.In addition, with regard to the selection of cutter, if select middle low carbon steel for use for the requirement of satisfying impact flexibility, then its hardness and wearability etc. can't be satisfied the demand; If select high-carbon steel or carbide alloy for use in order to satisfy hardness and wearability to require, then can't satisfy the impact flexibility requirement, and cost is higher, economy is bad.Again the polish blade of cutter causes blade annealing to make hardness and wearability reduction easily, reduction of service life, also will spend lot of manpower and material resources Quenching Treatment again.The solid tool sharpening will be to a certain degree scrapping, and the waste of cutter material is also bigger.
Summary of the invention
The present invention provides a kind of animal crusher cutter of interchangeable bit, can overcome the deficiency of prior art.
The technical scheme that the present invention taked is: the animal disintegrating machine hobboing cutter and the stationary knife of interchangeable bit, mainly form by hobboing cutter head and hob head, stationary knife and stationary knife seat.Said hobboing cutter head has the curved blade of inclination, and is fixed on the hob head front end through three groups of screws; Said stationary knife and cutter shaft are to tilt to install, and are fixed on the stationary knife seat through three groups of screws; Said hob head passes through double key system on axle.
The arc knife back of the outer arc of said hobboing cutter head and hob head matches, and the external arc of the inner arc of hobboing cutter head and hob head axle sleeve matches.
Said hobboing cutter head and stationary knife adopt the manganese steel or the carbide alloy manufacturing of high-strength abrasion-proof, and said hob head and stationary knife seat adopt the ordinary low-carbon steel manufacturing.
The invention has the beneficial effects as follows: 1) cutter head can separate manufacturing with different materials with tool rest; Can satisfy the requirement of cutter head to high-strength, high-anti-friction property; Also can satisfy the requirement of tool rest impact toughness and welding procedure, reduce also that steel are selected for use and manufacturing cost, improve the manufacturability of processing; 2) the hobboing cutter head has the curved blade of inclination, both can well material be bitten, and makes material can carry out fragmentation, intensity and the service life that can improve cutter head again continuously; 3) cutter head and tool rest are through bolt, and cutter structure is simple, and maintain and replace is convenient, has reduced the working service cost of cutter.
Description of drawings
Fig. 1 is a transverse sectional view of the present invention
Among the figure: 1, cutter shaft, 2, the arc knife back, 3, hob head, 4, screw, 5, the hobboing cutter head, 6, outer arc, 7, curved blade, 8, inner arc, 9, the stationary knife seat, 10, screw, 11, stationary knife, 12, sleeve outer circle, 13, key
The specific embodiment
Below in conjunction with accompanying drawing the present invention is further specified.
As shown in Figure 1, the animal crusher cutter of interchangeable bit mainly is made up of hobboing cutter head 5 and hob head 3, stationary knife 11 and stationary knife seat 9.Hobboing cutter head 5 is fixed on hob head 3 front ends through three groups of screws 4; Stationary knife 11 also is fixed on the stationary knife seat 9 through three groups of screws 10, and hob head 3 is fixed on the cutter shaft 1 through two keys 13, and such cutter structure is simple; Maintain and replace is convenient, has reduced the working service cost of cutter.
The outer arc 6 of hobboing cutter head 5 matches with the arc knife back 2 of hob head 3, and the inner arc 8 of hobboing cutter head 5 matches with the external arc 12 of hob head 3 axle sleeves, makes hobboing cutter head and hob head become an organic whole.
Hobboing cutter head 5 adopts manganese steel or carbide alloy manufacturing with stationary knife 11; Hob head 3 adopts the ordinary low-carbon steel manufacturing with stationary knife seat 9; Can satisfy the requirement of cutter head to high-strength, high-anti-friction property; Also can satisfy the requirement of tool rest impact toughness; And reduced that steel are selected for use and manufacturing cost; Improve the manufacturability of processing, be convenient to welding forming.
Hobboing cutter head 5 has the curved blade 7 of inclination, and stationary knife 11 relative cutter shafts 1 are to tilt to install, and both can well material be bitten, and make material can carry out fragmentation, intensity and the service life that can improve cutter head again continuously.
The above is used to illustrate the present invention, but is not used for limiting scope of the present invention.Under the prerequisite that does not break away from know-why of the present invention, the present invention can also make some modifications and variation, and these modifications and variation also are considered as protection scope of the present invention.