CN210632991U

CN210632991U - Drilling, reaming and milling deep hole cavity machining tool

Info

Publication number: CN210632991U
Application number: CN201921405405.8U
Authority: CN
Inventors: 张乃强; 张海洋
Original assignee: Suzhou Jiangxin Tools Co ltd
Current assignee: Suzhou Jiangxin Tools Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-05-29
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a bore deep hole die cavity processing cutter that reams and mill, including handle of a knife, blade and tool bit, its characterized in that: at least three groups of spiral raised lines are spirally arranged on the outer edge surface of the cutter body, and spiral chip grooves are formed between every two adjacent spiral raised lines; a plurality of groups of arc-shaped grooves are uniformly distributed on the outer surface of each group of spiral protrusions; the cutter head is composed of at least three groups of blades, the number of the blades is matched with that of the spiral raised lines, and the blades are spirally and uniformly distributed at the right ends of the spiral raised lines; one end of each group of blades is connected with the right end of the blade body, and the other end of each group of blades is arranged on the outer surface of the right end of one group of spiral raised lines; the outer diameter formed by the tool bit is larger than the outer diameter formed by the plurality of groups of spiral raised lines; the outer surface of each group of blades is arranged on the outer side corresponding to the outer surface of the spiral raised line, and a plurality of chip breaking grooves are formed in the outer surface of each blade. The utility model provides high machining efficiency and quality have prolonged the life of cutter.

Description

Drilling, reaming and milling deep hole cavity machining tool

Technical Field

The utility model relates to a cutter especially relates to a bore deep hole die cavity processing cutter that reams and mills.

Background

In the prior art, when a product is machined by using a cutter, the machining efficiency is slow in general conditions, and the cutter is easy to damage after long-time machining, so that the service life of the cutter is short. In addition, when a material such as wood is processed without being particularly hard, the processed surface is easily torn by a cutter.

Disclosure of Invention

The utility model aims at providing a deep hole die cavity processing cutter that bores and ream and mill through using this structure, has improved machining efficiency, has prolonged life, guarantees the processingquality of product.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a deep hole cavity machining cutter for drilling, reaming and milling comprises a cutter handle, a cutter body and a cutter head, wherein the left side of the cutter body is connected with the right side of the cutter handle, the right side of the cutter body is connected with the cutter head, at least three groups of spiral convex strips are spirally arranged on the outer edge surface of the cutter body, and spiral chip grooves are formed between every two adjacent spiral convex strips; a plurality of groups of arc-shaped grooves are uniformly distributed on the outer surface of each group of spiral protrusions, the arc-shaped grooves are in the same spiral direction as the spiral convex strips, and two ends of each spiral protrusion are communicated with the side walls on two sides of each spiral protrusion;

the cutter head is composed of at least three groups of blades, the number of the blades is matched with that of the spiral raised lines, and the blades are spirally and uniformly distributed at the right ends of the spiral raised lines;

one end of each group of blades is connected with the right end of the blade body, and the other end of each group of blades is arranged on the outer surface of the right end of one group of spiral raised lines; the outer diameter formed by the tool bit is larger than the outer diameter formed by the plurality of groups of spiral raised lines;

the outer surface of each group of blades is arranged on the outer side corresponding to the outer surface of the spiral raised line, and a plurality of chip breaking grooves are formed in the outer surface of each blade.

Among the above-mentioned technical scheme, the blade includes end-to-end connection's horizontal blade and vertical blade, the right-hand member of horizontal blade with the top of vertical blade links to each other, the bottom of vertical blade with the axis of blade flushes the setting, the left surface of vertical blade with the right flank of blade links to each other, the bottom surface of horizontal blade with a set of the right side surface of spiral sand grip links to each other, the chip breaker interval set up in on the top surface of horizontal blade.

Among the above-mentioned technical scheme, every group be equipped with the breach on the surface on spiral sand grip right side, the breach constitutes blade installation position, the bottom surface of horizontal blade install in the breach, just the top surface of horizontal blade set up in corresponding the outside of spiral sand grip surface.

In the technical scheme, the joint of the right sides of the transverse blade and the longitudinal blade is provided with an inclined surface, and the inclined surface forms a guide blade.

In the above technical scheme, a finishing edge is arranged on the top surface of the transverse blade, the finishing edge is parallel to the axis of the blade body, and the finishing edge is arranged between the transverse blade and the leftmost chip breaker.

In the above technical scheme, the cutter head is made of polycrystalline diamond.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. the utility model is made of a plurality of groups of blades through the tool bit, and a plurality of groups of chip breakers are arranged on the outer surface of the blades, thus preventing the blades from tearing the product in the processing process, and reducing the resistance, thus prolonging the service life of the cutter and improving the processing efficiency of the cutter to the product;

2. in the utility model, a plurality of groups of arc-shaped grooves are arranged on the surface of the spiral raised line, so that the heat dissipation area of the cutter can be increased in the use process, and the heat dissipation effect is improved;

3. the arrangement of the guide blade in the utility model can realize directional cutting; the arrangement of the finishing edge can ensure the smooth surface of a product during reaming and the precision of the size;

4. the utility model discloses well tool bit is made by polycrystalline diamond, can prolong the life of tool bit like this, improves machining efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a blade according to a first embodiment of the present invention.

Wherein: 1. a knife handle; 2. a blade body; 3. a cutter head; 4. a spiral rib; 5. a spiral chip groove; 6. an arc-shaped slot; 7. a blade; 8. a chip breaker groove; 9. a transverse blade; 10. a longitudinal blade; 11. a notch; 12. a guide blade; 13. and (5) finishing the blade.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

the first embodiment is as follows: referring to fig. 1 and 2, the deep hole cavity machining tool for drilling, reaming and milling comprises a tool shank 1, a tool body 2 and a tool bit 3, wherein the left side of the tool body is connected with the right side of the tool shank, the right side of the tool body is connected with the tool bit, at least three groups of spiral convex strips 4 are spirally arranged on the outer edge surface of the tool body, and spiral chip grooves 5 are formed between adjacent spiral convex strips; a plurality of groups of arc-shaped grooves 6 are uniformly distributed on the outer surface of each group of spiral protrusions, the arc-shaped grooves are in the same spiral direction as the spiral convex strips, and two ends of each spiral protrusion are communicated with the side walls on two sides of each spiral protrusion;

the cutter head is composed of at least three groups of blades 7, the number of the blades is matched with that of the spiral raised lines, and the blades are spirally and uniformly distributed at the right ends of the spiral raised lines;

one end of each group of blades is connected with the right end of the blade body, and the other end of each group of blades is arranged on the outer surface of the right end of one group of spiral raised lines; the outer diameter that the tool bit constitutes is greater than the outer diameter that the multiunit spiral sand grip constitutes. Like this in processing, blade and spiral sand grip can not direct and product contact, prevent the wearing and tearing of blade, also can prevent the damage of blade to the product.

The outer surface of each group of blades is arranged on the outer side corresponding to the outer surface of the spiral raised line, and a plurality of chip breakers 8 are arranged on the outer surface of the blade 7.

In this embodiment, the cutting head is welded to the blade. Therefore, if the cutter head is seriously worn, the cutter head can be replaced, and the cost can be reduced. When the tool is used, the tool handle is connected with equipment to drive the tool to tell rotation, the right end face of the blade is firstly contacted with a product, the right end face of the blade is firstly used for drilling the product, after the tool drills into the product, the outer edge face of the blade is used for simultaneously processing the product, and chips generated by processing are discharged by using the spiral chip discharge grooves. Wherein, at the cutter to the in-process of product processing, because the high-speed rotation of cutter, rotate the processing to the product simultaneously, when tool bit and product contact, can receive the pressure that increases like this, easy wearing and tearing. When traditional cutter is not very hard product processing to materials such as timber, when the cutter rotational speed is very fast, the machined surface of product is torn easily, consequently, in this embodiment, set up the setting of chip breaker groove at the surface of blade, can reduce the resistance of cutter like this, simultaneously, the area of contact of blade and product is little in the unit interval, small area atress, the machined surface atress that can guarantee the product is even, prevent tearing of product machined surface, under the circumstances of guaranteeing product machining efficiency and guarantee the processingquality of product.

Referring to fig. 1 and 2, the blade 7 includes a transverse blade 9 and a longitudinal blade 10 connected end to end, the right end of the transverse blade is connected to the top of the longitudinal blade, the bottom of the longitudinal blade is flush with the axis of the blade body, the left side of the longitudinal blade is connected to the right side of the blade body, the bottom of the transverse blade is connected to the right outer surface of a set of spiral raised lines, and the chip breakers are arranged on the top surface of the transverse blade at intervals. Wherein, the right flank of vertical blade and the top surface of horizontal blade all can set up the cutting edge for to the processing of product.

Every group be equipped with breach 11 on the surface on spiral sand grip right side, the breach constitutes blade installation position, the bottom surface of horizontal blade install in the breach, just the top surface of horizontal blade set up in corresponding the outside of spiral sand grip surface. Wherein, the transverse blade is connected with the notch in a welding way, and the longitudinal blade is connected with the right side of the knife body in a welding way.

The right side face of the longitudinal blade can cut the end of the hole site when drilling, the outer surface can mill the inner wall of the hole site, and milling of the drilling machine is achieved at one time.

As shown in fig. 1 and 2, the joint between the transverse blade 9 and the right side of the longitudinal blade is provided with a bevel, and the bevel forms a guide edge 12. The setting of direction sword sets up in the junction on horizontal blade and vertical blade right side, and in drilling course of working, be convenient for like this with the directional discharge of piece, prevent the influence of piece to the blade and influence the processing of product, guarantee the chip removal quality, guarantee the processingquality of product simultaneously.

Referring to fig. 1 and 2, a finishing edge 13 is arranged on the top surface of the transverse blade, the finishing edge is parallel to the axis of the blade body, and the finishing edge is arranged between the transverse blade and the leftmost chip breaker.

In this embodiment, adopt the setting of truing sword to set up the truing sword in the leftmost side of humming the blade, namely after horizontal blade mills the inner wall of hole site, mill the effect not good in order to prevent the chip breaker, recycle truing sword and carry out the reaming, guarantee that hole site inner wall surface is smooth, and guarantee the precision of size, guarantee the reaming quality.

In the prior structure, during hole position processing, holes are drilled, milled and reamed. In this embodiment, can realize boring, mill, the one-time shaping of hinge, efficient, of high quality.

Wherein the tool bit is made of polycrystalline diamond. Compared with the material adopting the alloy cutter head, the alloy cutter head has longer service life, better quality, faster acceptable rotating speed, improved processing efficiency and prolonged service life.

Claims

1. The utility model provides a deep hole die cavity processing cutter that bores hinge and mills, includes handle of a knife, blade and tool bit, the left side of blade with the right side of handle of a knife links to each other, the right side of blade with the tool bit links to each other its characterized in that: at least three groups of spiral raised lines are spirally arranged on the outer edge surface of the cutter body, and spiral chip grooves are formed between every two adjacent spiral raised lines; a plurality of groups of arc-shaped grooves are uniformly distributed on the outer surface of each group of spiral protrusions, the arc-shaped grooves are in the same spiral direction as the spiral convex strips, and two ends of each spiral protrusion are communicated with the side walls on two sides of each spiral protrusion;

2. The deep-hole cavity machining tool for drilling, reaming and milling according to claim 1, characterized in that: the blade includes end-to-end connection's horizontal blade and vertical blade, the right-hand member of horizontal blade with the top of vertical blade links to each other, the bottom of vertical blade with the axis of blade flushes the setting, the left surface of vertical blade with the right flank of blade links to each other, the bottom surface of horizontal blade with a set of the right side surface of spiral sand grip links to each other, chip breaker groove interval set up in on the top surface of horizontal blade.

3. The deep-hole cavity machining tool for drilling, reaming and milling according to claim 2, characterized in that: every group be equipped with the breach on the surface on spiral sand grip right side, the breach constitutes blade installation position, the bottom surface of horizontal blade install in the breach, just the top surface of horizontal blade set up in corresponding the outside of spiral sand grip surface.

4. The deep-hole cavity machining tool for drilling, reaming and milling according to claim 2, characterized in that: the connecting part of the transverse blade and the right side of the longitudinal blade is provided with an inclined plane, and the inclined plane forms a guide blade.

5. The deep-hole cavity machining tool for drilling, reaming and milling according to claim 2, characterized in that: the top surface of the transverse blade is provided with a finishing edge, the finishing edge is parallel to the axis of the blade body, and the finishing edge is arranged between the transverse blade and the leftmost chip breaker.

6. The deep-hole cavity machining tool for drilling, reaming and milling according to claim 1, characterized in that: the tool tip is made of polycrystalline diamond.