CN2565543Y

CN2565543Y - Cutting tool of crushing machine

Info

Publication number: CN2565543Y
Application number: CN 02247530
Authority: CN
Inventors: 吴有显
Original assignee: XOMSJEMGGIAMG INDUSTRY ELECTROMECHANICAL Co Ltd
Current assignee: XOMSJEMGGIAMG INDUSTRY ELECTROMECHANICAL Co Ltd
Priority date: 2002-08-20
Filing date: 2002-08-20
Publication date: 2003-08-13
Anticipated expiration: 2012-08-20

Abstract

The utility model relates to a cutting device for disintegrator, which mainly comprises cutter roller shaft, a plurality of inner knives, and a plurality of outer knives, wherein, the outer knives are fixedly arranged at the outer edge of a pulverizing rolling cylinder; the inner knives can be respectively dismantled and are evenly arranged on the circumference wall surface of a cutter roller shaft; the inner knives are in a square flat body, and the positive centers of the forward directions of the inner knives are vertically provided with fixing holes; openings of both ends of the fixing holes are in an inwards tipping funnel shape; the circumference wall surface of the cutter roller shaft is provided with rows of bearing seats which can contain the inner knives, and the bearing seats are mutually arranged alternately. The utility model has the advantages that the utility model can be assembled and disassembled conveniently, prolong the service life, lower the cutting resistance, and enhance the cutting efficiency.

Description

The cutter arrangement of pulverizer

Technical field

The utility model relates to the cutter arrangement of pulverizer, especially the interior cutter structure in the cutter arrangement of a kind of pulverizer of finger is square bluff body, make that cutter has eight cutting blades in this, and be easy to change and install and use, service life of cutter and increasing economic efficiency in prolonging.

Background technology

Referring to Fig. 6,7, the cutter structure of present known pulverizer, include on the periphery wall of a cutter roller shaft a parallel be equipped with plural pieces microscler in cutter b form, the shape of cutter b is elongated in being somebody's turn to do, and being provided with plural slotted hole thereon can pass and be locked on the cutter roller shaft a for bolt c, cooperates the outer cutter e that is fixed on the pulverization cylinder d to cut use again.

When above-mentioned known cutter uses, its each interior cutter b is when cutting crushed material f, whole length with the blade of cutter b in this contact with linearity simultaneously, so its cutting resistance that is produced (reaction force) is quite big, fix same interior cutter b because of need with several nuts C again, cause the comparatively time-consuming and inconvenience of cutter b in assembling or the dismounting and change: moreover, because of the shape of cutter b in above-mentioned has its directionality when the assembling, and can't optional turning or change face, cause this interior cutter b generally only can use single face, when some blade in the cutter in each produces breach or consume, promptly whole interior cutter must be abandoned and renew, cause the waste of material cost.

The chip of this known cutter when cutting, generally can be located with the space that is connected of cutter roller shaft a by cutter b in scraping, and lack the space of getting rid of chip and can't make chip (promptly chip can't be thrown to a limit to periphery, to be cut by cutter b in next, as shown in Figure 7), and then can influence its cutting power and increase the weight of the load of cutter.

I am thoughts on the cutter of known pulverizer structure, the defective of Cun Zaiing in actual use, thereby set about design, and based on the individual be engaged in for many years these facility design, make and the experience of use, design a kind of cutter arrangement of pulverizer finally.

Summary of the invention

Main purpose of the present utility model, be to provide a kind of cutter arrangement of pulverizer, it is divided into interior cutter and somely independently has eight blades and can repeat to replace the fritter of use, be staggered between cutter in each and be distributed on the peripheral wall surfaces of cutter roller shaft, make in these and have suitable row's chip space between cutter, resistance in the time of reducing cutting improves its stock-removing efficiency.

Secondary objective of the present utility model, be to provide a kind of cutter arrangement of pulverizer, when cutter was installed on the cutter roller shaft in it, wherein the cutting blade line of cutter and the rotation of cutter roller shaft formed an angle in each, can further reduce cutting resistance.

For reaching above-mentioned purpose, the cutter arrangement of a kind of pulverizer of the present utility model, mainly comprise: a cutter roller shaft and a plurality of interior cutter, and be installed with cutter outside several pulverizing cylinder outer rim appropriate position, again, cutter detachably evenly is arranged at respectively on the periphery wall of cutter roller shaft in these; It is characterized in that:

Interior cutter is square bluff body, centre in its positive direction vertically is provided with a fixing hole, this fixing hole both ends open is intilted funnel-form, and on the periphery wall of cutter roller shaft, be provided with several rows can be ccontaining above-mentioned in the bearing of cutter, this bearing rear end degree of depth is darker, and the bearing position between forward and backward row's bearing is interlaced arrangement.Wherein:

Be an angle between the axis of cutter bearing and cutter roller shaft on the described cutter roller shaft each.

Can be shaped on four sides of cutter periphery together in described or above together groove.

The utility model is some owing to interior cutter is divided into independently to have eight blades and can repeat to replace the fritter of use, cutter is staggered about being between its front and rear row within adding, so have the space of enough eliminating chips and have easy accessibility, increase the service life, reduce cutting resistance and promote the advantage of its stock-removing efficiency, can overcome the existing defective of known crushing machine cutting tool device fully.

Description of drawings

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

Fig. 2 is the sectional perspective exploded view of cutter in the utility model and cutter roller shaft.

Fig. 3 is the front view of cutter in the utility model and cutter roller shaft.

Fig. 4 is the front view of the utility model cutter and cutter roller shaft in another.

Fig. 5 is the various interior knife structure schematic side view of the utility model.

Fig. 6 is the schematic perspective view of cutter in known and cutter roller shaft.

Fig. 7 is the plane combination schematic diagram of known cutter arrangement.

The specific embodiment

Further understand and understanding in order to have the purpose of this utility model, technical characterictic and effect thereof, now for several embodiment, and conjunction with figs. is described in detail as follows:

Generally be used for crushing rubber, plastic cement or mineral ... Deng the cutter arrangement of pulverizer, it is cutter roller shaft of installing in a pulverization cylinder with cutter in the plural pieces, this cutter roller shaft drives rotation by a motor, and cooperation is fixedly arranged on the outer cutter on the pulverization cylinder and crushed material is pulverized processing again.

Referring to Fig. 1-3, be embodiment 1, a kind of cutter arrangement of pulverizer, mainly comprise: cutter roller shaft 10, interior cutter 30 and be fixed on the pulverization cylinder 20 inwardly outstanding outer cutter 40: wherein interior cutter 30 is made square bluff body, centre in its positive direction vertically is provided with a fixing hole 31, these fixing hole 31 both ends opens are intilted funnel-form, and on the periphery wall of cutter roller shaft 10, be provided with several rows can be ccontaining above-mentioned in the bearing 11 of cutter, these bearing 11 rear end degree of depth are darker, and the then interlaced arrangement in 11 positions of the bearing between forward and backward row.

Referring to Fig. 2,3, during above-mentioned tectonic association, cutter 30 can pass its Centromedian fixing hole 31 by a bolt 32 in each, and with cutter roller shaft 10 bearings 11 on the screw 13 sealed fixing assemblings of promptly finishing; Again, the utility model is all a flat square because of cutter in each 30, and fixing hole 31 is located at its centre, causing bolt 32 to pass on the screw 13 of fixing hole 31 with bolt 32 screw-in cutter bearings 11 fixes when using, should in cutter 30 arbitrarily conversion its reach the service orientation on each limit up and down, make in each cutter 30 comprise upper and lower surface and four limits and have eight cutting blades altogether and can use, increasing the service life of cutter in this, and then reach the effect of saving material cost.

Again, cutter 30 is staggered about being between its front and rear row in each, can reduce cutting resistance at one time, and the space with enough eliminating chips, and helps cutter in each that the crushed material for the treatment of in its place ahead is cut and gets rid of chip; And the combination form of this cutter roller shaft 10 and interior cutter 30 easily makes chip extrapolated when rotating cutting, promptly dishes out to pulverization cylinder 20 internal face directions, then helps inside and outside cutter and remakes further chopping work; Therefore, the utility model can significantly improve its cutting power.

In addition, cutter 30 all only cooperates the restriction of the bearing 11 of recess with a bolt 32 in above-mentioned each, and the spiral shell of cutter is worked admittedly in can finishing easily, thus in changing time and labour saving comparatively during cutter 30, can improve the practicality of pulverizer.

Referring to Fig. 4, be embodiment 2, cutter roller shaft 10 wherein, bearing 11 are made and 12 of rotations form an angle " θ ", cause when assembling interior cutter 30 thereon, make the cutting blade line 34 of cutter in each and " θ " of the rotation 12 formation one identical angle of cutter roller shaft.

Among this embodiment, be fixed in the bearing 11 of cutter roller shaft 10 outer rim walls when interior cutter 30 after, can make in each cutter 30 in fact can produce the edge line 34 of shear action and 12 of the rotations of cutter roller shaft 10 are an angle " θ " state, so that when cutting, cutter 30 will produce the effect that cuts to crushed material by its most advanced and sophisticated elder generation of blade away from cutter roller shaft 10 outer wall edge in these, again in regular turn along edge line 34 toward incisions, thereby become the state that cuts that a kind of point-like is destroyed; Therefore, the utility model can significantly reduce its cutting resistance, but and energy savings and its stock-removing efficiency of raising.

Moreover, cutter 30 is when implementing in of the present utility model, also can be shaped on four sides of its periphery together or the groove 33 (shown in various cutter cutaway view A, B, C, D, E, F, G among Fig. 5) together, with helping get rid of chip, to promote practical effect.

Claims

1. the cutter arrangement of a pulverizer mainly comprises: a cutter roller shaft and a plurality of in cutter, and be installed with cutter several outside pulverizing cylinder outer rim appropriate position, again, these interior cuttves detachably evenly are arranged at respectively on the periphery wall of cutter roller shaft; It is characterized in that:

Interior cutter is square bluff body, centre in its positive direction vertically is provided with a fixing hole, this fixing hole both ends open is intilted funnel-form, and on the periphery wall of cutter roller shaft, be provided with several rows can be ccontaining above-mentioned in the bearing of cutter, this bearing rear end degree of depth is darker, and the bearing position between forward and backward row's bearing is interlaced arrangement.

2. according to the cutter arrangement of the described pulverizer of claim 1, it is characterized in that: be an angle between the axis of cutter bearing and cutter roller shaft in each on the described cutter roller shaft.

3. according to the cutter arrangement of the described pulverizer of claim 1, it is characterized in that: can be shaped on four sides of cutter periphery together in described or above together groove.