CN210996857U - Automatic centering type composite finish reamer - Google Patents

Abstract

The utility model relates to the technical field of machining, and an automatic recognize compound finish reamer of formula is disclosed, including the handle of a knife, the handle of a knife is the cylinder type stock, and the external screw thread has been seted up to the outer wall of handle of a knife, and the place ahead fixed mounting of handle of a knife has the stabilizer ring, and the stabilizer ring is the ring, and stabilizer ring the place ahead fixed mounting has the blade, and the blade is the cylinder type stock, and blade the place ahead fixed mounting has the tool bit, and the tool bit is the cylinder type stock, and eight groups of fixed thread holes have been seted up to tool bit excircle department, and eight groups of fixed thread holes etc. The utility model discloses in, form the recess of V type between two sets of adjacent trapezoidal cutting edges, the groove gap of V type can make the sword bits discharge along with the gap when parts machining to can not cause the metal fillings to block up the cutting edge and influence processing, four group's cutting edges of same circumference department stagger each other, and the work piece side that staggered cutting edge makeed processing out is more level and more smooth.

Description

Automatic centering type composite finish reamer

Technical Field

The utility model relates to the technical field of machining, specifically be an automatic recognize compound finish reamer of heart formula.

Background

The reamer is a rotary tool having one or more teeth for cutting a thin layer of metal on the surface of a machined hole, and the reamer is a rotary finishing tool having a straight edge or a spiral edge for reaming or repairing the hole.

When the reamer rotates at a high speed, the knife edge is abraded, the service life is short, equipment needs to be stopped for replacing the reamer, time is wasted, and the reamer for reducing the knife edge abrasion is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides an automatic think compound finish reamer of heart formula possesses advantages such as stand wear and tear, has solved the problem of the easy wearing and tearing of reamer.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic compound finish reamer of formula of believing, includes the handle of a knife, the handle of a knife is the cylinder type stock, the external screw thread has been seted up to the outer wall of handle of a knife, the place ahead fixed mounting of handle of a knife has the stabilizer ring, the stabilizer ring is the ring, stabilizer ring the place ahead fixed mounting has the blade, the blade is the cylinder type stock, blade the place ahead fixed mounting has the tool bit, the tool bit is the cylinder type stock.

Eight groups of fixing threaded holes are formed in the outer circle of the cutter head, the eight groups of fixing threaded holes are equally distributed in the outer circle of the cutter head, every two groups of fixing threaded holes are a pair, a cutter blade plate is arranged at the outer circle of the cutter head, four groups of cutter blade plates are equally distributed in the outer circle of the cutter head, the cutter blade plate is a rectangular plate, two fixing holes are formed in the cutter blade plate, the fixing holes are through holes, screws are arranged on the cutter blade plate, and the screws penetrate through the fixing holes and are in threaded connection with the fixing threaded holes.

Preferably, the outer side wall surface of the blade plate is provided with blades, the blades are trapezoidal blades with cross sections, and a V-shaped groove is formed between two adjacent groups of trapezoidal blades.

Preferably, the apical pore has been seted up to tool bit antetheca intermediate position, the apical pore is the hole of rectangle, tool bit the place ahead is provided with the location awl, the location awl is that the cross section is trapezoidal round platform, location awl rear end fixedly connected with fixes the rectangle post, the location awl is through fixing inside the apical pore of rectangle post plug-in connection at the tool bit.

Preferably, the side wall surface of the positioning cone is fixedly provided with four side cutters, the outer circle of the positioning cone is equally divided into four parts by the side cutters, the front wall surface of the positioning cone is provided with a fixed round hole, the fixed round hole is a circular notch, the front end of the positioning cone is provided with a drill bit, and the drill bit is a triangular cone with a cross section.

Preferably, the rear end fixed mounting of drill bit has the cylinder, the cylinder is the cylinder type stock, and the cylinder is the same with the disc diameter size of fixed round hole, the drill bit passes through cylinder and fixed round hole and location awl joint, the helicla flute has been seted up to the drill bit outer wall.

(III) advantageous effects

Compared with the prior art, the utility model provides an automatic think compound finish reamer of heart formula possesses following beneficial effect:

1. this automatic think compound finish reamer of heart formula all is equipped with the blade on through the cutting edge board outside wall, the blade is that the cross section is trapezoidal cutting edge, and the trapezium structure atress is even, reduces central point, improves the whole atress resistance of cutting edge, and is stand wear and tear during trapezoidal cutting edge processing, long service life, form the recess of V type between adjacent two sets of trapezoidal cutting edges, and the recess gap of V type can make the sword bits discharge along with the gap when parts machining to can not cause the metal fillings to block up the cutting edge and influence processing, four groups cutting edges of same circumference department stagger each other, and the work piece side that staggered cutting edge made processing come out is more level and more smooth.

2. This automatic think compound finish reamer of heart formula can play the effect of the location of punching on the processing work piece plane through drill bit conical structure, the helicla flute has been seted up to the drill bit outer wall, the helicla flute is current structure, does not do here and gives unnecessary details, and the helicla flute can make the drill bit when punching, and the helicla flute forms suitable cutting edge space, can assist drill bit drilling more laborsaving, and the notch of helicla flute can also discharge backward along the helicla flute with the metal fillings that the machined surface produced.

Drawings

FIG. 1 is a side view of the overall structure of a reamer according to the present invention;

FIG. 2 is a front view of the reamer of the present invention;

fig. 3 is a side view of the cutter head of the present invention.

In the figure: the cutting tool comprises a tool handle 1, a tool body 2, a tool bit 3, a tool edge plate 4, a positioning cone 5, a side tool 6, a drill bit 7, a stabilizing block 8, a first notch 9, a first blade 10, a spiral groove 11, a cylindrical column 12, a rectangular column 13, a top hole 14, a screw 15, a round fixing hole 16 and a threaded fixing hole 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, an automatic center-recognizing type composite reamer comprises a handle 1, wherein the handle 1 is a cylindrical long rod, an external thread is arranged on the outer wall surface of the handle 1, a stabilizing ring 8 is fixedly arranged in front of the handle 1, the stabilizing ring 8 is a circular ring, a blade 2 is fixedly arranged in front of the stabilizing ring 8, the blade 2 is a cylindrical long rod, a tool bit 3 is fixedly arranged in front of the blade 2, and the tool bit 3 is a cylindrical long rod.

Eight groups of fixing threaded holes 17 are formed in the excircle of the tool bit 3, the eight groups of fixing threaded holes 17 are equally and separately formed in the excircle of the tool bit 3, each two groups of fixing threaded holes 17 are a pair, a blade plate 4 is arranged on the excircle of the tool bit 3, four groups of blade plates 4 are equally and separately formed in the excircle of the tool bit 3, each blade plate 4 is a rectangular plate, two fixing holes 9 are formed in each blade plate 4, each fixing hole 9 is a through hole, a screw 15 is arranged on each blade plate 4, the screw 15 is of an existing structure and is not described herein any more, and the screw 15 penetrates through the fixing holes 9 and is in threaded connection with the fixing threaded holes 17, so that the blade plates 4 are fixed at the excircle of the tool bit 3.

All be equipped with blade 10 on the 4 outside wall surfaces of cutting edge board, blade 10 is that the cross section is trapezoidal cutting edge, the trapezium structure atress is even, reduce the central point, improve the whole atress resistance of cutting edge, it is stand wear and tear during trapezoidal cutting edge processing, long service life, form the recess of V type between two sets of adjacent trapezoidal cutting edges, the recess gap of V type can make the sword bits discharge along with the gap when parts machining, thereby can not cause the metal fillings to block up the cutting edge and influence processing, four groups of cutting edges of same circumference department stagger each other, staggered cutting edge makes the work piece side of processing out more level and more smooth, leave the gap after four groups of cutting edges do not stagger, the cutting plane has the interval, can make work piece side processing.

The middle position of the front wall surface of the cutter head 3 is provided with a top hole 14, the top hole 14 is a rectangular hole, a positioning cone 5 is arranged in front of the cutter head 3, the positioning cone 5 is a circular table with a trapezoidal cross section, the rear end of the positioning cone 5 is fixedly connected with a fixed rectangular column 13, and the positioning cone 5 is inserted into the top hole 14 of the cutter head 3 through the fixed rectangular column 13.

The positioning cone 5 is characterized in that four side cutters 6 are fixedly mounted on the side wall surface of the positioning cone 5, the outer circle of the positioning cone 5 is equally divided into four parts by the side cutters 6, a fixed round hole 16 is formed in the front wall surface of the positioning cone 5, the fixed round hole 16 is a circular notch, a drill bit 7 is arranged at the front end of the positioning cone 5, the cross section of the drill bit 7 is a triangular cone, a cylinder 12 is fixedly mounted at the rear end of the drill bit 7, the cylinder 12 is a cylindrical long rod, the diameter of the circular surface of the cylinder 12 is the same as that of the fixed round hole 16, the drill bit 7 is clamped with the positioning cone 5 through the cylinder 12 and the fixed round hole 16, the conical structure of the drill bit 7 can play a punching and positioning role on a processing workpiece plane, a spiral groove 11 is formed in the outer wall surface of the drill bit 7, the spiral groove 11 is an existing structure, no redundancy is, the auxiliary drill bit 7 can be used for drilling more labor-saving, and metal scraps generated on the machining surface can be discharged backwards along the spiral groove 11 through the notch of the spiral groove 11.

When using, press from both sides handle of a knife 1 on equipment, turn on the power, through the external screw thread of handle of a knife 1 for handle of a knife 1 is getting fixed in-process firm more stable pressing from both sides, avoids getting the unstability because the clamp is got when high-speed rotating and causes the sword to go out, and handle of a knife 1 rotates and drives tool bit 3 and rotate, and edge of a knife 3 drives cutting edge board 4 and rotates, drives drill bit 7 and rotates. All be equipped with blade 10 on the 4 outside wall surfaces of cutting edge board, blade 10 is that the cross section is trapezoidal cutting edge, the trapezium structure atress is even, reduce the central point, improve the whole atress resistance of cutting edge, it is stand wear and tear during trapezoidal cutting edge processing, long service life, form the recess of V type between two sets of adjacent trapezoidal cutting edges, the recess gap of V type can make the sword bits discharge along with the gap when parts machining, thereby can not cause the metal fillings to block up the cutting edge and influence processing, four groups of cutting edges of same circumference department stagger each other, the work piece side that the staggered cutting edge made processing come out is more level and more smooth. Gaps are reserved after the four groups of blades are not staggered, and the cutting surfaces have intervals, so that the side surface of the workpiece is rough to process. 7 conical structure of drill bit can play the effect of the location of punching on the processing work piece plane, and helicla flute 11 has been seted up to 7 outer wall faces of drill bit, and helicla flute 11 can make 7 of drill bit when punching, and helicla flute 11 forms suitable cutting edge space, can assist 7 of drill bit drills more laborsavingly, and helicla flute 11's notch can also be discharged the metal fillings that the machined surface produced backward along helicla flute 11 is interior.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an automatic think compound finish reamer of heart formula, includes handle of a knife (1), its characterized in that: a stabilizing ring (8) is fixedly arranged in front of the knife handle (1), a knife body (2) is fixedly arranged in front of the stabilizing ring (8), and a knife head (3) is fixedly arranged in front of the knife body (2);

eight groups of fixing threaded holes (17) are formed in the excircle of the cutter head (3), the cutter edge plate (4) is arranged in the excircle of the cutter head (3), and four groups of cutter edge plates (4) are arranged; blades (10) are arranged on the outer side wall surface of the blade plate (4), the cross section of each blade (10) is a trapezoidal blade, and a V-shaped groove is formed between every two adjacent groups of trapezoidal blades;

a top hole (14) is formed in the middle of the front wall surface of the cutter head (3), the top hole (14) is a rectangular hole, and a positioning cone (5) is arranged in front of the cutter head (3);

fixed mounting is located to location awl (5) side wall face has four side sword (6), side sword (6) will be fixed a position awl (5) excircle partition quartering, fixed round hole (16) have been seted up to location awl (5) antetheca, fixed round hole (16) are the circular shape notch, location awl (5) front end is provided with drill bit (7), drill bit (7) are the triangle-shaped circular cone for the cross section, the rear end fixed mounting of drill bit (7) has cylinder (12).

2. The automatic centering compound reamer of claim 1, wherein: the outer wall surface of the knife handle (1) is provided with external threads, eight groups of fixing threaded holes (17) are equally divided at the excircle of the knife head (3), and every two groups of fixing threaded holes (17) are a pair.

3. The automatic centering compound reamer of claim 1, wherein: the four groups of the knife edge plates (4) are arranged at the outer circle of the tool bit (3) in equal parts, the knife edge plates (4) are rectangular plates, two fixing holes (9) are formed in the knife edge plates (4), the fixing holes (9) are through holes, screws (15) are arranged on the knife edge plates (4), and the screws (15) penetrate through the fixing holes (9) and are in threaded connection with the fixing threaded holes (17).

4. The automatic centering compound reamer of claim 1, wherein: the positioning cone (5) is a round table with a trapezoidal cross section, the rear end of the positioning cone (5) is fixedly connected with a fixed rectangular column (13), and the positioning cone (5) is inserted into a top hole (14) of the tool bit (3) through the fixed rectangular column (13).

5. The automatic centering compound reamer of claim 1, wherein: the cylinder (12) is a cylindrical long rod, the diameter of the circular surface of the cylinder (12) is the same as that of the circular surface of the fixed round hole (16), and the drill bit (7) is connected with the positioning cone (5) in a clamping mode through the cylinder (12) and the fixed round hole (16).

6. The automatic centering compound reamer of claim 1, wherein: the outer wall surface of the drill bit (7) is provided with a spiral groove (11).

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