CN106903333B - A kind of multitool chip heavy type processing lathe tool - Google Patents

Abstract

The invention discloses a kind of multitool chip heavy types to process lathe tool, including cutter head and knife bar, the top of knife bar is mounting base, cutter head is mounted in mounting base, multiple mounting rods are integrally formed with behind cutter head, mounting hole corresponding with mounting rod position is equipped in mounting base, the mounting rod passes through mounting hole, and the free end of mounting rod is furnished with fastening nut；The cutter head spatially type or cuboid-type, in the front left of cutter head, stupefied place is equipped with main cutting blade vertically, cutting tip before upper horizontal stupefied place is equipped with before cutter head, the cutting tip after the horizontal stupefied place in the upper left of cutter head is equipped with；Cutting fluid spray head is mounted on the left surface of main cutting blade and rear cutting tip, cutting fluid spray head is communicated with siphunculus, the siphunculus is laid in the inside of cutter head, a kind of blade is replaceable, general formula, knife bar by the adjustable multitool chip heavy type of stress are processed lathe tool in cutting fluid to realizing, and improves processing quality, reduces production cost.

Description

A multi-blade heavy duty turning tool

technical field

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

Background technique

In the process of heavy-duty 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 the chips, and the rear cutting edge of the turning tool mainly Because of friction with the workpiece, the requirements for the material of the insert are also different. However, the main cutting edge, the front cutting edge and the rear cutting edge of the existing turning tool are all integrally formed using the same material. On the other hand, in the process of machining, cutting fluid cooling is the main cooling method. Currently, cutting fluid is mainly sprayed from the outside for cooling, which cannot effectively cool the chip contact surface; different machining parameters and workpiece materials also affect the tool holder. Different degrees of stress will be generated, so that the stress requirements for the tool bar are also different, and the prior art does not propose a solution to the stress requirements.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a multi-blade heavy-duty machining turning tool with replaceable inserts, internal general type of cutting fluid, and adjustable stress on the tool bar in order to solve the above-mentioned problems in the prior art.

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

Preferably, a first notch for placing the main cutting blade is provided at the front left vertical ridge of the cutter head, the bottom end of the first notch is provided with a first stopper, and the first stopper is provided with a first threaded hole , a first screw is threadedly connected in the first threaded hole, and the top of the first screw is provided with a first push block for positioning the main cutting blade in the up and down direction; the left surface of the cutter head is fixed with a second screw The main wedge, the front side of the first main wedge is provided with a first auxiliary wedge for positioning the main cutting blade in the front-rear direction, and the first main wedge is slidably connected with the wedge surface of the first auxiliary wedge. When the main wedge is close to the cutter head, the first auxiliary wedge is pushed to slide toward the main cutting blade; the main cutting blade is fixed on the cutter head by the first right angle fixing frame, and the first right angle fixing frame is fixed on the cutter head by the third screw, The first right-angle fixing frame is provided with a first fastening bolt for fixing the main cutting insert.

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

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

Preferably, the plurality of mounting rods are arranged in a rectangular row and column, and the thermal expansion coefficients of the mounting rods in the same vertical column are the same, and the thermal expansion coefficients of the mounting rods increase successively from left to right.

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

Preferably, the tops of the main cutting inserts, the front cutting inserts and the back cutting inserts are all level with the top of the cutter head; the left end of the front cutting insert The rear flanks of the cutting inserts abut against each other.

The beneficial effects of the present invention are as follows: the present invention uses three different inserts, the main cutting insert, the front cutting insert and the rear cutting insert, to be responsible for the corresponding work function of the machining surface, thereby improving the utilization efficiency of the insert and the cutting quality of the product; Through the setting of the cutting fluid nozzle, the cutting coolant is sprayed directly from the machining surface of the insert, which realizes the cooling effect that the conventional cooling method cannot cool the chip contact surface. Finally, the tool head and the tool holder can be quickly disassembled and installed, so that it can be conveniently Through the above improvements, a multi-blade type heavy-duty turning tool with replaceable inserts, internal cutting fluid, and adjustable tool shank 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 side view of Fig. 2;

FIG. 4 is a cross-sectional view along A-A in FIG. 2 .

Detailed ways

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

As shown in FIG. 1 , FIG. 3 and FIG. 4 , the present invention includes a cutter head 1 and a cutter bar 3 , the top of the cutter bar 3 is a mounting seat 2 , the cutter head 1 is installed in the mounting seat 2 , and is integrally provided behind the cutter head 1 There are a plurality of mounting rods 20, the mounting seat 2 is provided with mounting holes corresponding to the positions of the mounting rods 20, the mounting rods 20 pass through the mounting holes, and the free ends of the mounting rods 20 are provided with fastening nuts 19; The cutter head 1 is in a three-dimensional or cuboid shape, a main cutting blade 13 is assembled at the front left vertical ridge of the cutter head 1, a front cutting blade 4 is assembled at the front upper horizontal ridge of the cutter head 1, and the cutter head 1 The upper left horizontal corrugation is equipped with a rear cutting blade 5, and the main cutting blade 13, the front cutting blade 4 and the rear cutting blade 5 are arranged orthogonally in pairs; on the left surface of the main cutting blade 13 and the rear cutting blade 5 There is a cutting fluid nozzle 6 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 FIG. 1 and FIG. 2 , the main cutting blade 13 is further fixed, a first notch for placing the main cutting blade 13 is provided at the front left vertical ridge of the cutter head 1, and the bottom end of the first notch is provided with The first stopper 21 is provided with a first threaded hole on the first stopper 21, and a first screw 21 is threadedly connected in the first threaded hole. The first push block 15 is positioned; the first main wedge 7 is fixed on the left surface of the cutter head 1 through the second screw 8, and the front side of the first main wedge 7 is provided with a front-to-rear direction for the main cutting blade 13 The positioned first secondary wedge 9, the first primary wedge 7 is slidably connected with the wedge surface of the first secondary wedge 9, and when the first primary wedge 7 approaches the cutter head 1, the first secondary wedge 9 is pushed to the main wedge 9. The cutting insert 13 slides; at the same time, the main cutting insert 13 is fixed on the cutter head 1 through the first right angle fixing frame 11 , the first right angle fixing frame 11 is fixed on the cutting head 1 by the third screw 12 , and the first right angle fixing frame 11 is provided with There is a first fastening bolt 10 for fixing the main cutting insert 13 .

As shown in FIGS. 1 and 2 , the further fixing method of the front cutting insert 4 and the rear cutting insert 5 is the same as that of the main cutting insert 13 , therefore, the corresponding reference numerals are omitted in the drawings, and the cutting insert 1 There is a second notch for placing the front cutting blade 4 at the front upper horizontal corrugation of the second notch, the right end of the second notch is provided with a second stopper, a second threaded hole is arranged on the second stopper, and in the second threaded hole A fourth screw is threadedly connected, and the left end of the fourth screw is provided with a second push block for positioning the front cutting blade 4 in the left-right direction; a second main wedge is fixed on the upper surface of the cutter head 1 through the fifth screw, and the The front side of the second main wedge is provided with a second auxiliary wedge for positioning the front cutting blade 4 in the front-rear direction. The second main wedge is slidably connected with the wedge surface of the second auxiliary wedge. When the cutter head 1 approaches, push the second secondary wedge to slide the front 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 insert 1 is provided on the second right-angle fixing frame.

Similarly, as shown in Fig. 1, Fig. 2, Fig. 4, there is a third notch at the upper left horizontal ridge of the cutter head 1 for placing the rear cutting blade 5, and the rear end of the third notch is provided with a third stopper. The block is provided with a third threaded hole, a seventh screw is threaded in the third threaded hole, 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 directions; A third main wedge 17 is fixed on the surface by an eighth screw 16, and a third auxiliary wedge 18 is provided on the upper side of the third main wedge 17 for positioning the rear cutting insert 5 in the up-down direction. The third main wedge 17 is slidably connected with the wedge surface of the third auxiliary wedge 18, when the third main wedge 17 approaches the cutter head 1, pushes the third auxiliary wedge 18 to slide toward the rear cutting blade; the rear cutting blade 5 passes through the third right-angle fixing frame Fixed on the cutter head 1 , the third right-angle fixing frame is fixed on the cutter head 1 by the ninth screw, and the third right-angle fixing frame is provided with a third fastening bolt for fixing the rear cutting blade 5 .

As shown in FIG. 3 and FIG. 4 , the plurality of mounting rods 20 are arranged in a 3×3 row and column rectangle. Drawing on 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 thermal expansion coefficient of the rod 20 increases successively.

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

As shown in FIG. 1, in order to ensure the working requirements of the main cutting insert 13, the tops of the main cutting insert 13, the front cutting insert 4 and the rear cutting insert 5 are all level with the top of the cutter head 1; the left end of the front cutting insert 4 Abutting against the right side surface of the main cutting insert 13 , the front end of the rear cutting insert 5 abuts against the rear side surface of the main cutting insert 13 .

The present invention uses the main cutting insert 13 , the front cutting insert 4 and the rear cutting insert 5 three different inserts, each responsible for the corresponding work function of the machining surface, which improves the utilization efficiency of the insert and the cutting quality of the product; The setting allows the cutting coolant to be sprayed directly from the machining surface of the insert, which achieves the cooling effect that the conventional cooling method cannot cool the chip contact surface; finally, the cutter head 1 and the cutter shank 3 can be quickly disassembled and installed, so that different The stress requires the tool bar 3, which realizes the effect that the stress of the tool bar can be adjusted. Through the above improvements, a multi-blade type heavy-duty machining turning tool with replaceable inserts, internal cutting fluid, and adjustable tool bar stress is realized. The processing quality is improved and the production cost is reduced.

In the description of the present invention, it should be understood that the terms "center", "portrait", "horizontal", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or obscuring It means that the referred device or element must have a specific orientation, be constructed and operate for a specific orientation, and therefore cannot be understood as a limitation on 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, but not 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 some technical features thereof are equivalently replaced, but these modifications or replacements do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (7)

1. a kind of multitool chip heavy type processes lathe tool, which is characterized in that including cutter head and knife bar, the top of knife bar is mounting base, Cutter head is mounted in mounting base, and multiple mounting rods are integrally formed with behind cutter head, is equipped with and mounting rod position in mounting base Corresponding mounting hole, the mounting rod passes through mounting hole, and the free end of mounting rod is furnished with fastening nut；The cutter head is in length Cube type, in the front left of cutter head, stupefied place is equipped with main cutting blade vertically, and upper horizontal stupefied place is cut before being equipped with before cutter head Blade, the cutting tip after the horizontal stupefied place in the upper left of cutter head is equipped with, the main cutting blade, preceding cutting tip and rear bite The setting of piece pairwise orthogonal；Cutting fluid spray head, cutting fluid spray are mounted on the left surface of main cutting blade and rear cutting tip Head is communicated with siphunculus, and the siphunculus is laid in the inside of cutter head, and the feed liquor being connected to siphunculus is equipped on the surface of cutter head and is connect Port.

2. multitool chip heavy type according to claim 1 processes lathe tool, which is characterized in that at the front left stupefied place vertically of cutter head Equipped with the first notch for placing main cutting blade, the bottom end of the first notch is equipped with the first block, is equipped on the first block First threaded hole is connected with the first screw in the first threaded hole internal screw thread, and the top of the first screw is equipped with for main cutting knife First pushing block of piece up and down direction positioning；The first main voussoir is fixed with by the second screw on the left surface of cutter head, first The front side of main voussoir is equipped with the first secondary voussoir for positioning to main cutting blade front-rear direction, the first main voussoir and the first secondary wedge The wedge surface of block is slidably connected, and pushes the first secondary voussoir to main cutting blade slides when the first main voussoir is close to cutter head；Master cuts Paring blade is fixed on cutter head by the first right angle fixed frame, and the first right angle fixed frame is fixed on cutter head by third screw, First right angle fixed frame is equipped with the first fastening bolt for fixing main cutting blade.

3. multitool chip heavy type according to claim 2 processes lathe tool, which is characterized in that the upper horizontal stupefied place before cutter head Equipped with the second notch for cutting tip before placing, the right end of the second notch is equipped with the second block, is equipped on the second block Second threaded hole is connected with the 4th screw in the second threaded hole internal screw thread, and the left end of the 4th screw is equipped 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 front side of main voussoir is equipped with the second secondary voussoir for positioning to preceding cutting tip front-rear direction, the second main voussoir and the second secondary wedge The wedge surface of block is slidably connected, and the second secondary voussoir is pushed when the second main voussoir is close to cutter head, and cutting tip slides forward；Before cut Paring blade is fixed on cutter head by the second right angle fixed frame, and the second right angle fixed frame is fixed on cutter head by the 6th screw, Second right angle fixed frame is equipped with the second fastening bolt for fixed preceding cutting tip.

4. multitool chip heavy type according to claim 3 processes lathe tool, which is characterized in that at the horizontal stupefied place in the upper left of cutter head Equipped with the third notch for cutting tip after placing, the rear end of third notch is equipped with third block, is equipped on third block Third threaded hole is connected with the 7th screw in third threaded hole internal screw thread, and the front end of the 7th screw is equipped with for rear bite The third pushing block of piece front-rear direction positioning；The main voussoir of third is fixed with by the 8th screw on the left surface of cutter head, in third The upside of main voussoir is equipped with the third pair voussoir for positioning to rear cutting tip up and down direction, the main voussoir of third and third pair wedge The wedge surface of block is slidably connected, and third pair voussoir is pushed when the main voussoir of third is close to cutter head, and cutting tip slides backward；After cut Paring blade is fixed on cutter head by third right angle fixed frame, and third right angle fixed frame is fixed on cutter head by the 9th screw, Third right angle fixed frame is equipped with the third fastening bolt for cutting tip after fixing.

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

6. multitool chip heavy type according to claim 4 or 5 processes lathe tool, which is characterized in that the bottom of mounting base is equipped with Erecting bed, cutter head are placed on erecting bed and are fixed on erecting bed by the 4th fastening bolt.

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