CN207447371U - A kind of Bar Wire Product processing efficient aid tool of high-speed steel roll last groove - Google Patents

Abstract

The utility model is related to the technical fields of Bar Wire Product processing auxiliary equipment, more particularly to a kind of Bar Wire Product processing efficient aid tool of high-speed steel roll last groove, the efficient aid tool of Bar Wire Product processing high-speed steel roll last groove that the high-precision, high efficiency, low cost of high-speed steel roll pass are processed can be realized；Including set of blades and knife bar, knife bar top is horizontally arranged with knife nest group, and set of blades top is located inside knife nest group, and knife bar front side wall is provided with multigroup plate screw hole, and knife bar front side wall is horizontally arranged with pressing plate positioning slot.

Description

A kind of Bar Wire Product processing efficient aid tool of high-speed steel roll last groove

Technical field

The utility model is related to the technical fields of Bar Wire Product processing auxiliary equipment, process and use more particularly to a kind of Bar Wire Product The efficient aid tool of high-speed steel roll last groove.

Background technology

It is well known that Bar Wire Product processing is that one kind adds for Bar Wire Product with the efficient aid tool of high-speed steel roll last groove During work, the device of efficient secondary process is carried out to high-speed steel roll last groove；Country's high-speed steel roll mainly should at present Product frame and pre- cutting sortie used in stick line milling train Ribbed Bar product, and based on small dimension, finished frame pass adds Work feature is that slot number is more（The finished product roller of Φ 14mm Ribbed Bars has 24 or 28 slots）, separation precision it is high（＜ 0.05mm）, do not permit Permitted have accumulated error, and pre-slit pass size is big, and pass sectional area is accordingly just big, and hole depth is generally higher than equal to 7mm.With general Logical hard alloy molding cutter processes above-mentioned pass, can lead to the problem of following processing difficulties：1st, because of lathe rigidity deficiency The knife that shakes is caused, if the knife that shakes can seriously cause cutter tipping, fragmentation, causes cutter abnormal waste, pass surface transverse direction chatter mark mistake It is big etc.；2nd, tool wear is fast, and with the raising of high-speed steel roll hardness, cutter refaces number increase during pass is processed, Even one group of pass will be refaced 2-3 times, require height to worker's sharpening technology, labor intensity is big, non-cutting backman's duration；3rd, frequency Numerous tool changing can influence pass positioning accuracy, and present hot rolled ribbed bars generally use splitting rolling, especially small dimension, usually For 3-4 cuttings even 5 cuttings, finished frame pass centre-to-centre spacing error is required for very in below 0.05mm, each time tool changing Accurately center and knife bar drift angle are adjusted, at least need 3-5min every time, not only lost time but also influences pass centre-to-centre spacing Precision；4th, cutting speed is low causes processing efficiency low.In order to reduce the abrasion of cutter, can only add under slow-speed of revolution operating mode Work, generally 2-4r/min, even 1.5r/min, process a deeper pass（＞ 8mm）, to take several hours；5、 Particularly with slitting pass, because depth of groove is deep, connects that knife face is long, and the problems such as the radial-thrust force brought is big, corner wear is fast, gas Anger road is refaced and difficult, causes the cutting forming cutter initial failure of high price, and cutter consumption is high, processing efficiency is low.

Utility model content

In order to solve the above technical problems, a kind of high-precision that can realize high-speed steel roll pass of the utility model offer, High efficiency, the Bar Wire Product processing efficient aid tool of high-speed steel roll last groove of low cost processing.

A kind of Bar Wire Product processing efficient aid tool of high-speed steel roll last groove of the utility model, including set of blades And knife bar, knife bar top are horizontally arranged with knife nest group, set of blades top is located inside knife nest group, and knife bar front side wall is provided with multigroup Plate screw hole, and knife bar front side wall is horizontally arranged with pressing plate positioning slot.

A kind of Bar Wire Product of the utility model, which is processed, uses the efficient aid tool of high-speed steel roll last groove, knife in set of blades Piece is taper disk.

The beneficial effects of the utility model are compared with prior art：By above-mentioned setting, knife bar is positioned to because of set of blades It asks high, used under high speed heavy cut, material selects 40Cr forgings to expect, behind quenched each face of processing, knife nest made allowance carries out surface hardening, Finish-milling is carried out with numerical controlled carving milling machine again, the cooperation of blade and cutter hub is finally examined with blade coloration, can be put into after qualified makes With.Knife number is rigidly determined by pass specification and lathe in every cutter group knife bar, by taking C8463 roll lathes as an example, one As φ 12mm reinforcing bars be 3-4 pieces, φ 14mm reinforcing bars are 2-3 pieces, and φ 16-20 reinforcing bars are 2, while the overall width of knife bar is small In 75mm, otherwise easily shake knife, so as to fulfill the high-precision of high-speed steel roll pass, high efficiency, low cost processing.

Description of the drawings

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the left view of Fig. 1；

Fig. 3 is the structure diagram of any one group of blade in set of blades；

It is marked in attached drawing：1st, set of blades；2nd, knife bar；3rd, knife nest group；4th, plate screw hole；5th, pressing plate positioning slot.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

As shown in Figure 1 to Figure 3, a kind of Bar Wire Product processing of the utility model is efficiently aided in high-speed steel roll last groove Cutter, including set of blades 1 and knife bar 2, knife bar top is horizontally arranged with knife nest group 3, and set of blades top is located inside knife nest group, knife Bar front side wall is provided with multigroup plate screw hole 4, and knife bar front side wall is horizontally arranged with pressing plate positioning slot 5；By above-mentioned setting, For knife bar because set of blades positioning requirements are high, are used under high speed heavy cut, material selects 40Cr forgings to expect, behind quenched each face of processing, knife nest Made allowance carries out surface hardening, then carries out finish-milling with numerical controlled carving milling machine, finally matching somebody with somebody with blade coloration inspection blade and cutter hub It closes, can come into operation after qualified.Knife number is rigidly determined by pass specification and lathe in every cutter group knife bar, with Exemplified by C8463 roll lathes, general φ 12mm reinforcing bars are 3-4 pieces, and φ 14mm reinforcing bars are 2-3 pieces, and φ 16-20 reinforcing bars are 2, together When knife bar overall width be less than 75mm, otherwise easily shake knife, so as to fulfill the high-precision of high-speed steel roll pass, high efficiency, Low cost processing.

A kind of Bar Wire Product of the utility model, which is processed, uses the efficient aid tool of high-speed steel roll last groove, knife in set of blades Piece is taper disk；By above-mentioned setting, blade is the design of taper disk in set of blades, has the blank material of raw material The advantages that utilization rate is high, processing cost is low, diameter tolerance is small, indexable utilization rate is high, positioning accuracy is high, while 7 ° of tapers can protect Card respectively connects knife direction in cutting enough thick angles, and cutting resistance is small, and without knife phenomenon is squeezed, blade diameter D allowance controls are in G Grade（±0.02mm）, it is contemplated that intensity, impact resistance and the cost of blade, blade thickness H are generally 8mm, in interrupted penetration of a cutting tool and Lathe rigidity deficiency can only use low speed（>6r/min）In the case of, blade should use alloy material.

A kind of Bar Wire Product processing efficient aid tool of high-speed steel roll last groove of the utility model, is working When, for new roller, first body of roll smart car in place, with rough turn model（Depth of groove stays 0.5mm surpluses, and other sizes are the same as smart car sample Plate is identical）, cubic boron nitride blade is selected to carry out the roughing of pass, after finishing without changing knife rod, depending on blade abrasion situation into Row indexing is replaced, and reduces linear velocity, is reused smart car model and is completed smart car, finally changes the rose reamer notch of falling pass fillet, right In the old slot reparation of Ribbed Bar K1 finished product rollers, because there are crescent cross rib, first removing cross rib using alloy circular knife, technique is： Every 1.5 change hands dynamic feed once, and the amount of feeding about 0.1mm, because belonging to interrupted cut, blade abrasion is very fast, to regard blade halfway and grind The indexing in time of damage situation is replaced, and prevents blade bursts apart from damaging knife bar, after the removal completely of old cross rib is clean, changes cubic boron nitride Blade completes smart car, it should be noted that this aid tool can process 2-4 pass simultaneously, can miss the accumulation of pass spacing Difference reduces 2-4 times.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model technical principle is not departed from, several improvement and modification can also be made, these change The scope of protection of the utility model is also should be regarded as into modification.

Claims (2)

1. a kind of Bar Wire Product processing efficient aid tool of high-speed steel roll last groove, which is characterized in that including set of blades（1） And knife bar（2）, knife bar（2）Top is horizontally arranged with knife nest group（3）, set of blades（1）Top is located at knife nest group（3）Inside, knife bar （2）Front side wall is provided with multigroup plate screw hole（4）, and knife bar（2）Front side wall is horizontally arranged with pressing plate positioning slot（5）.

2. a kind of Bar Wire Product processing efficient aid tool of high-speed steel roll last groove as described in claim 1, feature It is, set of blades（1）Middle blade is taper disk.