CN106903333A - A kind of heavy processing lathe tool of multitool chip - Google Patents

Abstract

The invention discloses a kind of heavy processing lathe tool of multitool chip, including cutter head and knife bar, the top of knife bar is mounting seat, cutter head is arranged in mounting seat, multiple mounting rods are integrally formed with behind cutter head, the mounting hole corresponding with mounting rod position is provided with mounting seat, the mounting rod passes through mounting hole, and the free end of mounting rod is furnished with clamp nut；The cutter head spatially type or cuboid-type, main cutting blade is equipped with stupefied place in the front left of cutter head vertically, before the cutter head on the stupefied place of level be equipped with before cutting tip, the cutting tip after the stupefied place of upper left level of cutter head is equipped with；Cutting fluid shower nozzle is mounted on the left surface of main cutting blade and rear cutting tip, cutting fluid shower nozzle is communicated with siphunculus, the siphunculus is laid in the inside of cutter head, it is achieved thereby that a kind of blade is replaceable, formula, knife bar, by the heavy processing lathe tool of the adjustable multitool chip of stress, improve crudy, reduce production cost in cutting fluid.

Description

A kind of multi-blade heavy-duty machining turning tool

technical field

The invention belongs to the technical field of mechanical cutting, in particular to a multi-blade heavy-duty machining turning tool.

Background technique

In the process of mechanical heavy machining, different turning tool surfaces have different functions. For example, the main cutting edge of the turning tool mainly plays the role of cutting metal, the front cutting edge of the turning tool mainly rubs against chips, and the rear cutting edge of the turning tool mainly Friction with the workpiece, so the requirements for the blade material are also different. However, the main cutting edge, front cutting edge and rear cutting edge of the existing turning tools are all integrally formed with the same material. On the other hand, in the process of machining, cutting fluid cooling is the main cooling method. At present, the cutting fluid is sprayed from the outside for cooling, which cannot effectively cool the chip contact surface; different processing parameters and workpiece materials also affect the tool holder. Different degrees of stress will be generated, so the stress requirements for the tool holder are also different, and the prior art does not provide a solution to the stress requirements.

Contents of the invention

The object of the present invention is to propose a multi-blade heavy-duty machining turning tool with replaceable blades, a cutting fluid inner passage type, and adjustable stress on the cutter bar in order to solve the problems in the above-mentioned prior art.

The technical scheme adopted by the present invention to achieve the above object is: a multi-blade heavy-duty machining turning tool, comprising a cutter head and a cutter bar, the top of the cutter bar is a mounting seat, and the cutter head is installed in the mounting seat, A plurality of mounting rods are integrally provided at the back, and mounting holes corresponding to the positions of the mounting rods are provided on the mounting seat, the mounting rods pass through the mounting holes, and the free ends of the mounting rods are equipped with fastening nuts; the cutter head It is three-dimensional or cuboid, and the main cutting blade is installed at the front left vertical groove of the cutter head, the front cutting blade is installed at the front upper horizontal groove of the cutter head, and the rear cutting blade is installed at the upper left horizontal groove of the cutter head. The blade, the main cutting blade, the front cutting blade and the rear cutting blade are arranged orthogonally in pairs; a cutting fluid nozzle is installed on the left surface of the main cutting blade and the rear cutting blade, and the cutting fluid nozzle is connected with a through pipe. The through pipe is arranged inside the cutter head, and a liquid inlet connection port communicated with the through pipe is provided on the surface of the cutter head.

Preferably, a first notch for placing the main cutting blade is provided at the front left vertical edge of the cutter head, a first stopper is provided at the bottom end of the first notch, and a first threaded hole is provided on the first stopper , a first screw is connected to the internal thread of the first threaded hole, and the top of the first screw is provided with a first push block for positioning the main cutting blade up and down; on the left surface of the cutter head, a first The main wedge is provided with a first auxiliary wedge on the front side of the first main wedge for positioning the main cutting blade in the front and back directions. The first main wedge is slidingly connected with the wedge surface of the first auxiliary wedge. When the first When the main wedge is close to the cutter head, the first auxiliary wedge is pushed to slide towards the main cutting blade; the main cutting blade is fixed on the cutter head through the first right-angle fixing frame, and the first right-angle fixing frame is fixed on the cutter head through the third screw. The first right-angle fixing frame is provided with first fastening bolts for fixing the main cutting blade.

Preferably, a second notch for placing the front cutting blade is provided at the front upper horizontal edge of the cutter head, a second stopper is provided at the right end of the second notch, and a second threaded hole is provided on the second stopper. The second threaded hole is internally threaded with a fourth screw, and the left end of the fourth screw is provided with a second push block for positioning the front cutting blade in the left and right direction; the second main wedge is fixed on the upper surface of the cutter head by the fifth screw Block, on the front side of the second main wedge, there is a second auxiliary wedge for positioning the front and rear cutting blades, the second main wedge is slidingly connected with the wedge surface of the second auxiliary wedge, when the second main wedge When the block is close to the cutter head, push the second pair of wedges to slide forward the cutting blade; the front cutting blade is fixed on the cutter head through the second right-angle fixing frame, and the second right-angle fixing frame is fixed on the cutter head through the sixth screw, and the second The second fastening bolt for fixing the front cutting blade is arranged on the right-angle fixed frame.

Preferably, a third notch for placing the rear cutting blade is provided at the upper left horizontal edge of the cutter head, a third stopper is provided at the rear end of the third notch, and a third threaded hole is provided on the third stopper. The third threaded hole is internally threaded with a seventh screw, and the front end of the seventh screw is provided with a third push block for positioning the rear cutting blade in the front and rear direction; the third main wedge is fixed on the left surface of the cutter head by the eighth screw Block, on the upper side of the third main wedge, there is a third auxiliary wedge for positioning the rear cutting blade in the up and down direction, the third main wedge is slidingly connected with the wedge surface of the third auxiliary wedge, when the third main wedge When the block is close to the cutter head, the third pair of wedges is pushed to slide towards the rear cutting blade; the rear cutting blade is fixed on the cutter head through the third right-angle fixing frame, and the third right-angle fixing frame is fixed on the cutter head through the ninth screw. A third fastening bolt for fixing the rear cutting blade is provided on the right-angle fixed frame.

Preferably, the plurality of mounting rods are arranged in rows and columns in a rectangular shape, the thermal expansion coefficients of the mounting rods in the same column are the same, and the thermal expansion coefficients of the mounting rods increase gradually from left to right.

Preferably, a mounting platform is provided at the bottom of the mounting seat, and the cutter head is placed on the mounting platform and fixed on the mounting platform by a fourth fastening bolt.

Preferably, the tops of the main cutting blade, the front cutting blade and the rear cutting blade are all flat with the top of the cutter head; the left end of the front cutting blade is close to the right side of the main cutting blade; The back side of the cutting insert is tight.

The beneficial effects of the present invention are as follows: the present invention uses three different blades, the main cutting blade, the front cutting blade and the rear cutting blade, each responsible for the corresponding work function of the processing surface, which improves the utilization efficiency of the blade and the cutting quality of the product; Through the setting of the cutting fluid nozzle, the cutting coolant is directly sprayed from the processing surface of the blade, realizing the cooling effect that the conventional cooling method cannot cool the chip contact surface; finally, the cutter head and the tool holder can be quickly disassembled and installed, so that it can be convenient The tool holder with different stress requirements can be replaced in a timely manner, and the stress-adjustable effect of the cutter rod is realized. Through the above-mentioned improvement, a multi-blade heavy-duty machining turning tool with replaceable blades, cutting fluid inner passage, and adjustable cutter rod stress is realized. , improve the processing quality and reduce the production cost.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the front view of the present invention;

Fig. 3 is the right view of Fig. 2;

Fig. 4 is a sectional view along A-A in Fig. 2 .

detailed description

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Fig. 1, Fig. 3 and Fig. 4, the present invention comprises cutter head 1 and cutter bar 3, and the top of cutter bar 3 is mounting seat 2, and cutter head 1 is installed in the mounting seat 2, and the back of cutter head 1 is integrally arranged There are a plurality of mounting rods 20, mounting holes corresponding to the positions of the mounting rods 20 are provided on the mounting seat 2, the mounting rods 20 pass through the mounting holes, and the free ends of the mounting rods 20 are equipped with fastening nuts 19; Described cutter head 1 is three-dimensional or cuboid shape, is equipped with main cutting blade 13 at the front left vertical corrugated place of cutter head 1, is equipped with front cutting blade 4 at the front upper horizontal corrugated place of cutter head 1, in cutter head 1 A rear cutting blade 5 is equipped at the upper left horizontal corrugated place of the upper left, and the main cutting blade 13, the front cutting blade 4 and the rear cutting blade 5 are orthogonally arranged in pairs; There is a cutting fluid spray head 6, and the cutting fluid spray head 6 is connected with a through pipe. The through pipe is arranged inside the cutter head 1, and a liquid inlet connection port communicated with the through pipe is provided on the surface of the cutter head 1.

As shown in Figures 1 and 2, the main cutting blade 13 is further fixed, and the front left vertical edge of the cutter head 1 is provided with a first gap for placing the main cutting blade 13, and the bottom end of the first gap is provided with a The first block 21 is provided with a first threaded hole on the first block 21, and a first screw 21 is threaded in the first threaded hole. Positioned first push block 15; on the left surface of the cutter head 1, the first main wedge 7 is fixed by the second screw 8, and the front side of the first main wedge 7 is provided for adjusting the front and rear direction of the main cutting blade 13. Positioned first auxiliary wedge 9, the first main wedge 7 is slidingly connected with the wedge surface of the first auxiliary wedge 9, and when the first main wedge 7 approaches the cutter head 1, the first auxiliary wedge 9 is pushed toward the main The cutting blade 13 slides; while the main cutting blade 13 is fixed on the cutter head 1 by the first right-angle fixing frame 11, the first right-angle fixing frame 11 is fixed on the cutter head 1 by the third screw 12, and the first right-angle fixing frame 11 is provided with There are first fastening bolts 10 for fixing the main cutting insert 13 .

As shown in Fig. 1 and Fig. 2, the further fixing manner of the front cutting blade 4 and the rear cutting blade 5 is the same as that of the main cutting blade 13, therefore, corresponding reference numerals are omitted in the figures, and in the cutter head 1 A second notch for placing the front cutting blade 4 is provided at the front upper horizontal corrugated part of the front, a second stopper is provided at the right end of the second notch, and a second threaded hole is provided on the second stopper, and a second threaded hole is provided in the second threaded hole A fourth screw is threaded, and the left end of the fourth screw is provided with a second push block for positioning the front cutting blade 4 left and right; the upper surface of the cutter head 1 is fixed with a second main wedge by the fifth screw, The front side of the second main wedge is provided with a second auxiliary wedge for positioning the front and rear cutting blades 4, and the second main wedge is slidingly connected with the wedge surface of the second auxiliary wedge. When the cutter head 1 approaches, push the second auxiliary wedge to slide forward the cutting blade 4; the front cutting blade 4 is fixed on the cutter head 1 by the second right-angle fixing frame, and the second right-angle fixing frame is fixed on the cutter head 1 by the sixth screw, A second fastening bolt for fixing the front cutting blade 1 is provided on the second right-angle fixing frame.

Equally, as Fig. 1, Fig. 2, Fig. 4, be provided with the 3rd breach that is used to place rear cutting blade 5 at the upper left horizontal corrugated place of cutter head 1, the rear end of the 3rd breach is provided with the 3rd stopper, in the 3rd stop The block is provided with a third threaded hole, and the third threaded hole is internally threaded with a seventh screw, and the front end of the seventh screw is provided with a third push block for positioning the rear cutting blade 5 in the front and rear direction; on the left side of the cutter head 1 On the surface, the third main wedge 17 is fixed by the eighth screw 16, and the upper side of the third main wedge 17 is provided with a third secondary wedge 18 for positioning the rear cutting blade 5 up and down. The third main wedge 17 is slidingly connected with the wedge surface of the third auxiliary wedge 18, and when the third main wedge 17 approaches the cutter head 1, the third auxiliary wedge 18 is pushed to slide toward the rear cutting blade; the rear cutting blade 5 passes through the third right-angle fixed frame Fixed on the cutter head 1, the third right-angle fixed frame is fixed on the cutter head 1 by the ninth screw, and the third fastening bolt for fixing the rear cutting blade 5 is arranged on the third right-angle fixed frame.

As shown in Fig. 3 and Fig. 4, the plurality of mounting rods 20 are arranged in a rectangular row of 3×3, referring to the concept of gradient functional materials, the thermal expansion coefficients of the mounting rods 20 in the same vertical column are the same, and they are installed from left to right The coefficient of thermal expansion of the rod 20 increases step by step.

In order to further fix the cutter head 1 and facilitate the disassembly and installation of the cutter head 1, a mounting platform 23 is provided at the bottom of the mounting seat 2, and the cutter head 1 is placed on the mounting platform 23 and fixed on the mounting surface by the fourth fastening bolt 22. On stage 23.

As shown in Figure 1, in order to ensure the working requirements of the main cutting blade 13, the tops of the main cutting blade 13, the front cutting blade 4 and the rear cutting blade 5 are all flat with the top of the cutter head 1; Close to the right side of the main cutting insert 13 , the front end of the rear cutting insert 5 is close to the rear side of the main cutting insert 13 .

The present invention uses the main cutting blade 13, the front cutting blade 4 and the rear cutting blade 5. Three different blades are responsible for the corresponding processing surface work functions, which improves the utilization efficiency of the blade and the cutting quality of the product; It is set so that the cutting coolant is sprayed directly from the processing surface of the insert, realizing the cooling effect that the conventional cooling method cannot cool the chip contact surface; finally, the cutter head 1 and the tool holder 3 can be quickly disassembled and installed, so that different parts can be easily replaced. The stress requires the cutter bar 3, which realizes the effect that the stress on the tool bar can be adjusted. Through the above improvements, a multi-blade heavy-duty processing turning tool with replaceable blades, cutting fluid internal passage, and adjustable tool bar stress is realized, which improves Improve processing quality and reduce production cost.

In describing the present invention, it is to be understood that the terms "central", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying It means that the device or element referred to must have a specific orientation, be constructed and operated for a specific orientation, and thus cannot be construed as limiting the protection content of the present invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be Modifications are made to the technical solutions described in the foregoing embodiments, or equivalent replacements are made to some of the technical features, but these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (7)

1. a kind of multitool chip is heavy processes lathe tool, it is characterised in that including cutter head and knife bar, and the top of knife bar is mounting seat, Cutter head is arranged in mounting seat, and multiple mounting rods are integrally formed with behind cutter head, is provided with mounting seat and mounting rod position Corresponding mounting hole, the mounting rod passes through mounting hole, and the free end of mounting rod is furnished with clamp nut；The cutter head is in vertical Build or cuboid-type, main cutting blade is equipped with stupefied place in the front left of cutter head vertically, before the cutter head on the stupefied place's assembling of level Have preceding cutting tip, the cutting tip after the stupefied place of upper left level of cutter head is equipped with, the main cutting blade, preceding cutting tip and Cutting tip pairwise orthogonal is set afterwards；Cutting fluid shower nozzle is mounted on the left surface of main cutting blade and rear cutting tip, Cutting fluid shower nozzle is communicated with siphunculus, and the siphunculus is laid in the inside of cutter head, is provided with what is connected with siphunculus on the surface of cutter head Feed liquor connectivity port.

2. multitool chip according to claim 1 is heavy processes lathe tool, it is characterised in that at the vertical stupefied place of the front left of cutter head The first breach for placing main cutting blade is provided with, the bottom of the first breach is provided with the first block, is provided with the first block First screwed hole, the first screw is connected with the first screwed hole internal thread, and the top of the first screw is provided with for main cutting knife First pushing block of piece above-below direction positioning；The first main voussoir is fixed with by the second screw on the left surface of cutter head, first The first secondary voussoir for being positioned to main cutting blade fore-and-aft direction, the first main voussoir and the first secondary wedge are provided with front side of main voussoir The wedge surface of block is slidably connected, and the first secondary voussoir is promoted when the first main voussoir is close to cutter head to main cutting blade slides；Master cuts Paring blade is fixed on cutter head by the first right angle fixed mount, and the first right angle fixed mount is fixed on cutter head by the 3rd screw, First right angle fixed mount is provided with the first fastening bolt for fixing main cutting blade.

3. the heavy processing lathe tool of multitool chip according to claim 2, it is characterised in that the stupefied place of level on before the cutter head The second breach for placing preceding cutting tip is provided with, the right-hand member of the second breach is provided with the second block, is provided with the second block Second screwed hole, the 4th screw is connected with the second screwed hole internal thread, and the left end of the 4th screw is provided with for preceding bite Second pushing block of piece left and right directions positioning；The second main voussoir is fixed with by the 5th screw on the upper surface of cutter head, second The second secondary voussoir for being positioned to preceding cutting tip fore-and-aft direction, the second main voussoir and the second secondary wedge are provided with front side of main voussoir The wedge surface of block is slidably connected, and the second secondary voussoir is promoted when the second main voussoir is close to cutter head, and cutting tip is slided forward；Before cut Paring blade is fixed on cutter head by the second right angle fixed mount, and the second right angle fixed mount is fixed on cutter head by the 6th screw, Second right angle fixed mount is provided with the second fastening bolt for fixed preceding cutting tip.

4. multitool chip according to claim 3 is heavy processes lathe tool, it is characterised in that at the stupefied place of upper left level of cutter head The 3rd breach for cutting tip after placement is provided with, the rear end of the 3rd breach is provided with third gear block, is provided with third gear block 3rd screwed hole, the 7th screw is connected with the 3rd screwed hole internal thread, and the front end of the 7th screw is provided with for rear bite 3rd pushing block of piece fore-and-aft direction positioning；The 3rd main voussoir is fixed with by the 8th screw on the left surface of cutter head, the 3rd The 3rd secondary voussoir for being positioned to rear cutting tip above-below direction, the 3rd main voussoir and the 3rd secondary wedge are provided with the upside of main voussoir The wedge surface of block is slidably connected, and the 3rd secondary voussoir is promoted when the 3rd main voussoir is close to cutter head, and cutting tip is slided backward；After cut Paring blade is fixed on cutter head by the 3rd right angle fixed mount, and the 3rd right angle fixed mount is fixed on cutter head by the 9th screw, 3rd right angle fixed mount is provided with the 3rd fastening bolt for cutting tip after fixation.

5. multitool chip according to claim 4 is heavy processes lathe tool, it is characterised in that the multiple mounting rod is in ranks Rectangular arrangement, the thermal coefficient of expansion positioned at the mounting rod of same perpendicular row is identical, and the thermal coefficient of expansion of mounting rod is gradually from left to right Increase.

6. the heavy processing lathe tool of multitool chip according to claim 4 or 5, it is characterised in that the bottom of mounting seat is provided with Erecting bed, cutter head is placed on erecting bed and is fixed on erecting bed by the 4th fastening bolt.

7. the heavy processing lathe tool of multitool chip according to claim 4 or 5, it is characterised in that the main cutting blade, preceding Top of the top of cutting tip and rear cutting tip with cutter head is equal；The left end of preceding cutting tip and the right side of main cutting blade Side is close to, and front end and the trailing flank of main cutting blade of rear cutting tip are close to.