CN216370301U

CN216370301U - Support direction type overlength straight flute and bore

Info

Publication number: CN216370301U
Application number: CN202122552509.5U
Authority: CN
Inventors: 陆志杰
Original assignee: Changshu Anuo Cutting Tools Co ltd
Current assignee: Changshu Anuo Cutting Tools Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-26
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a support guide type ultra-long straight flute drill which comprises a drill edge part, a support part, an extension rod and a handle rod, wherein the drill edge part is arranged on the support part; a plurality of positioning grooves are arranged on the outer wall of the supporting part at equal intervals along the axis direction of the supporting part, and supporting guide strips are arranged in the positioning grooves. The utility model can meet the requirement of processing deep holes by arranging the extension rod, has better supporting function at the position where the hole is formed by the supporting guide bar on the supporting part, realizes accurate guidance by the supporting performance, and improves the stability and processing precision of the straight groove drill during working.

Description

Support direction type overlength straight flute and bore

Technical Field

The utility model relates to the technical field of straight fluted drills, in particular to a support guide type ultra-long straight fluted drill.

Background

The straight fluted drill is more suitable for processing short-cut chip materials, such as gray cast iron, nodular cast iron, malleable cast iron and silicon-aluminum alloy with higher silicon content, and is superior to a twist drill in price because the straight fluted drill has excellent self-centering capacity, can process and obtain hole processing precision with high efficiency and is simple to manufacture.

Due to machining limitations in chip removal or manufacturing, the machining is generally limited to machining workpieces with a bore depth of up to 15 times. For a straight groove drill for deep hole machining, a gun drill is generally used for replacing the straight groove drill, but the gun drill cannot meet the machining requirements of workpieces due to relatively poor supporting and other conditions.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a support guide type ultra-long straight fluted drill, which can meet the requirement of processing deep holes by arranging an extension rod, has a better support function at the position where a hole is formed by a support guide bar on a support part, realizes accurate guidance by the support performance, and improves the stability and processing precision of the straight fluted drill during working.

In order to achieve the purpose, the utility model adopts the technical scheme that: a support guide type ultra-long straight flute drill comprises a drill edge part, a support part, an extension rod and a handle rod, wherein the drill edge part is arranged on the support part, the extension rod is in threaded connection with the support part, and the handle rod is arranged at one end, far away from the support part, of the extension rod; a plurality of positioning grooves are formed in the outer wall of the supporting portion at equal intervals along the axis direction of the supporting portion, and supporting guide strips are arranged in the positioning grooves.

As a further optimization, the supporting conducting bar is an alloy supporting conducting bar, and is welded in the positioning groove.

As a further optimization, the number of the positioning grooves is three to six.

As a further optimization, the drill edge part is an alloy straight fluted drill which is welded on the supporting part through a V-shaped structure at the end part.

As a further optimization, one end of the extension rod, which is far away from the handle rod, is provided with a positioning hole, an internal thread is arranged in the positioning hole, one end of the support part, which is close to the extension rod, is provided with a positioning head, an external thread is arranged on the positioning head, and the positioning hole is sleeved on the positioning head to fix the extension rod on the support part after the internal thread is in threaded connection with the external thread.

As a further optimization, a wrench clamping groove is arranged on the supporting part.

As a further optimization, the support and guide type ultralong straight slot drill also comprises an inner cooling pipe.

Compared with the prior art, the utility model has the following beneficial effects:

1. the extension rod is arranged, so that the requirement of deep hole machining can be met, a better supporting function is realized at the position where a hole is formed through the supporting guide bar on the supporting part, and accurate guidance is realized through the supporting performance, so that the stability of the straight groove drill during working is improved, and the machining precision and the machining quality of the deep hole are improved;

2. the straight fluted drill is welded through the V-shaped structure at the end part, so that the contact area is increased, and the fixing effect between the straight fluted drill and the straight fluted drill is better.

Drawings

FIG. 1 is a block diagram of the present invention.

FIG. 2 is a schematic view of a connection structure of the drill edge portion and the support portion according to the present invention.

Fig. 3 is a schematic diagram of the application of the present invention.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, a support guide type super-long straight fluted drill includes a drilling edge part 1, a support part 2, an extension rod 3 and a handle rod 4, wherein the drilling edge part 1 is arranged on the support part 2, the extension rod 3 is in threaded connection with the support part 2, and the handle rod 4 is arranged at one end of the extension rod 3 far away from the support part 2; a plurality of positioning grooves 20 are arranged on the outer wall of the supporting part 2 at equal intervals along the axial direction of the supporting part, and supporting guide bars 31 are arranged in the positioning grooves 20.

The straight slot drill provided by the utility model can meet the requirements of deep hole machining by arranging the extension rod, meanwhile, a better supporting function is realized at the position where a hole is formed by the supporting guide bar on the supporting part, and accurate guidance is realized by the supporting performance, so that the working stability of the straight slot drill is improved, and the machining precision and the machining quality of the deep hole are improved.

Support conducting bar 31 is the alloy support conducting bar, and it welds in constant head tank 20, and the support conducting bar of alloy material passes through the shaping of welded form on the supporting part, and is fixed effectual, and its alloy material has guaranteed the hardness and the rigidity of support, and the supporting effect is good.

The number of the positioning grooves 20 is three to six.

Drilling blade portion 1 bores for the alloy straight flute, and it welds on supporting part 2 through the V font structure 11 that the tip has, and the straight flute of alloy material bores the V font structural weld through the tip, has increased area of contact, and fixed effect between the two is better, and more accurate drive effect can be realized to V font structure simultaneously, and the welding has better installation fastness moreover.

Keep away from the one end of handle pole 4 on the extension rod 3 and be equipped with locating hole 31, be equipped with the internal thread in the locating hole 31, the one end that is close to extension rod 3 on the supporting part 2 is equipped with location head 23, be equipped with the external screw thread on the

location head

23, 31 covers of locating hole are located and are made internal thread and external screw thread looks spiro union back be fixed in the supporting part 2 with extension rod 3 on the location head 23 on, supporting part and extension rod pass through the form of spiro union, make things convenient for the dismouting, to the deep hole of different specifications, the extension rod of optional different length is in order to satisfy the processing requirement.

Be equipped with spanner draw-in groove 22 on the supporting part 2, the spanner draw-in groove is used for convenient operation when supporting part and extension rod installation, realizes combining the two closely.

The support guide type ultralong straight flute drill further comprises an inner cooling pipe 10 which extends from the handle rod, the extension rod and the support part to the drill edge part, has an inner cooling effect and realizes the rapid cooling of the cutter.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A support guide type ultra-long straight flute drill is characterized by comprising a drill edge part, a support part, an extension rod and a handle rod, wherein the drill edge part is arranged on the support part, the extension rod is in threaded connection with the support part, and the handle rod is arranged at one end, far away from the support part, of the extension rod; a plurality of positioning grooves are formed in the outer wall of the supporting portion at equal intervals along the axis direction of the supporting portion, and supporting guide strips are arranged in the positioning grooves.

2. The support-guided ultra-long straight slot drill of claim 1, wherein the support bar is an alloy support bar welded in the positioning slot.

3. The support-guided ultra-long straight fluted drill according to claim 1 or 2, wherein the number of the positioning grooves is three to six.

4. The support-guided ultra-long straight fluted drill according to claim 1, wherein the cutting edge part is an alloy straight fluted drill welded to the support part through a V-shaped structure provided at an end part thereof.

5. The support-guided ultra-long straight-flute drill according to claim 1, wherein a positioning hole is formed at one end of the extension rod, which is far away from the shank rod, an internal thread is formed in the positioning hole, a positioning head is arranged at one end of the support part, which is close to the extension rod, an external thread is formed on the positioning head, and the positioning hole is sleeved on the positioning head to fix the extension rod on the support part after the internal thread is in threaded connection with the external thread.

6. The support-guided ultra-long straight fluted drill according to claim 1, wherein the support part is provided with a wrench slot.

7. The support and guide ultralong straight fluted drill according to claim 1, further comprising an internal cooling tube.