CN217647623U - Spiral deep hole stepped reamer - Google Patents

Abstract

The utility model discloses a spiral deep hole ladder reamer, the electric iron comprises a knife handle, the handle of a knife is inside to be provided with the thread bush by the upper end, a plurality of round holes have been seted up to the thread bush outer wall, and are a plurality of two that the round hole is relative are a set of, and are two sets of the inside threaded rod that all runs through of round hole is provided with, two the equal movable sleeve of threaded rod outer wall is equipped with two nuts, the fixed first ladder that is provided with of handle of a knife lower extreme, the fixed second ladder that is provided with in first ladder lower extreme, the fixed third ladder that is provided with in second ladder lower extreme. The utility model discloses a spiral deep hole ladder reamer through being provided with end sword and flat angle sword, makes it have the function of conveniently grinding the angle, through being provided with thread bush, round hole, threaded rod and nut, makes it have the fixed function of installation, through being provided with retaining ring knot, fixed screw, bracing piece and screw hole, makes it have the function that improves life.

Description

Spiral deep hole stepped reamer

Technical Field

The utility model relates to a ladder reamer technical field especially relates to a spiral deep hole ladder reamer.

Background

The reamer is the universal tool in accurate hole on the processing part, especially processes the first-selected instrument of the aperture below the diameter 50 millimeters, and common reamer can divide into hand reamer and machine reamer two types according to the mode that uses, and the machine reamer can divide into post handle reamer, taper shank reamer and cover reamer according to the mode of clamping, and the reamer is used for doing the finish machining's cutter to the hole, especially in the aviation field, not only to the size and the required precision of hole than higher, but often still need the shoulder hole of different diameters.

The prior patent (publication number: CN 201002150Y) discloses a stepped deep-hole reamer, wherein a hard alloy blade is welded on a cutter tooth, a radial water inlet hole is formed in the front end of a cutter handle, a radial water outlet hole is formed in the bottom of each cutter tooth groove, a water through hole in a core part is connected with the water inlet hole and the water outlet hole, and a plug is arranged at the front end of the water through hole. Although this reamer has the steady advantage of processing, its in use has some to leak and lacks, and this reamer is when long-term the use, because be in the process of abrasive dust and pushing down always, the cracked condition appears in the time of leading to the long-term abrasive dust of drill bit and pushing down very easily, makes the reamer directly scrap, appears the condition of accidental injury staff easily, and is comparatively dangerous.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a spiral deep hole stepped reamer.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a spiral deep hole ladder reamer, includes the handle of a knife, the handle of a knife is inside to be provided with the thread bush by the upper end, the thread bush outer wall has seted up a plurality of round holes, and is a plurality of two that the round hole is relative are a set of, two sets of all run through in the round hole, two the equal movable sleeve of threaded rod outer wall is equipped with two nuts, the fixed first ladder that is provided with of handle of a knife lower extreme, the fixed second ladder that is provided with of first ladder lower extreme, the fixed third ladder that is provided with of second ladder lower extreme, the equal fixed cover of first ladder, second ladder and third ladder outer wall is equipped with the fixed ring and detains, and is a plurality of fixed screw that all is provided with in the middle of the fixed ring detains the outer wall, the inside fixed fritter that is provided with of lower extreme that leans on, the fixed bracing piece lower extreme middle fixed bracing piece that is provided with, a plurality of threaded holes have been seted up to the bracing piece outer wall, the fixed drill bit that is provided with the end sword in the middle of drill bit lower extreme, drill bit lower extreme one side is provided with two flat angle sword.

As a further description of the above technical solution:

the upper end of the knife handle is fixedly provided with an end head.

As a further description of the above technical solution:

the number of the round holes is four.

As a further description of the above technical solution:

the number of the threaded holes is three.

As a further description of the above technical solution:

the fixing screws are respectively aligned with the threaded holes.

As a further description of the above technical solution:

and the nuts are attached to the outer wall of the knife handle.

As a further description of the above technical solution:

the knife handle is made of stainless steel materials.

As a further description of the above technical solution:

the drill bit is composed of an alloy material.

The utility model discloses following beneficial effect has:

1. the utility model provides a spiral deep hole ladder reamer compares current reamer, and this reamer has the function of conveniently grinding the angle, through being provided with end sword and flat angle sword, when this reamer cuts, at first carries out chip cutting processing through end sword, later after the cutting is accomplished, changes the reamer angle, makes flat angle sword grind flat processing, has reduced the time of tool changing, has reached the effect that improves work efficiency.

2. The utility model provides a spiral deep hole ladder reamer compares current reamer, and this reamer has the fixed function of installation, and through being provided with thread bush, round hole, threaded rod and nut, when this reamer is installed, at first rotate the thread bush and turn round into drive arrangement, after the dress is in suitable position, inside recycling the threaded rod runs through the round hole that the thread bush was seted up, turn round the nut to the threaded rod at last again, until the nut attach can at the handle of a knife outer wall, reached the fixed effect of installation.

3. The utility model provides a spiral deep hole ladder reamer, compare current reamer, this reamer has the function that improves life, general reamer is when using for a long time, because be in the process of abrasive dust and pushing down always, cracked condition appears when leading to the long-term abrasive dust of drill bit and pushing down very easily, make the reamer directly scrap, the staff's of accidental injury condition appears easily, comparatively dangerous, buckle through being provided with the retaining ring, the set screw, bracing piece and screw hole, can improve stronger holding power to drill bit inside at first through the bracing piece, increase internal stability, later utilize the set screw that the retaining ring buckled to turn round into threaded hole inside, can make the bracing piece avoid the condition of skew in inside, the effect that increases life has been reached.

Drawings

Fig. 1 is a front view of a spiral deep hole stepped reamer provided by the present invention;

fig. 2 is a front sectional view of a spiral deep hole stepped reamer provided by the present invention;

fig. 3 is a schematic structural view of a screw-type deep-hole stepped reamer thread bushing provided by the present invention;

fig. 4 is an enlarged view of a point a in fig. 1.

Illustration of the drawings:

1. a knife handle; 2. a tip; 3. a threaded rod; 4. a nut; 5. a first step; 6. fixing screws; 7. fixing a ring buckle; 8. a second step; 9. a third step; 10. a drill bit; 11. a threaded sleeve; 12. fixing the small blocks; 13. a threaded hole; 14. a support bar; 15. a circular hole; 16. a bottom edge; 17. a flat angle knife.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a spiral deep hole stepped reamer comprises a reamer handle 1, wherein a threaded sleeve 11 is arranged inside the reamer handle 1 by the upper end, a plurality of round holes 15 are formed in the outer wall of the threaded sleeve 11, two round holes 15 are opposite to each other and form a group, threaded rods 3 are arranged inside two groups of round holes 15 in a penetrating manner, two nut caps 4 are movably sleeved on the outer walls of the two threaded rods 3, the threaded sleeve 11, the round holes 15, the threaded rods 3 and the nut caps 4 are arranged, when the reamer is installed, the threaded sleeve 11 is firstly rotated and twisted into a driving device, the threaded rods 3 penetrate through the round holes 15 formed in the threaded sleeve 11 after being installed at proper positions, the nut caps 4 are finally twisted to the threaded rods 3 until the nut caps 4 are attached to the outer wall of the reamer handle 1, the effect of installing and fixing of the reamer handle is achieved, a first step 5 is fixedly arranged at the lower end of the handle 1, a second step 8 is fixedly arranged at the lower end of the first step 5, the lower end of the second step 8 is fixedly provided with a third step 9, the outer walls of the first step 5, the second step 8 and the third step 9 are fixedly sleeved with a fixing ring buckle 7, the middle parts of the outer walls of a plurality of fixing ring buckles 7 are fixedly provided with fixing screws 6, the inner part of the knife handle 1 is fixedly provided with a small fixing block 12 by the lower end, the middle part of the lower end of the small fixing block 12 is fixedly provided with a support rod 14, the outer wall of the support rod 14 is provided with a plurality of threaded holes 13, through the arrangement of the fixing ring buckles 7, the fixing screws 6, the support rod 14 and the threaded holes 13, the support rod 14 can firstly improve stronger supporting force for the inner part of the drill bit 10 to increase the inner stability, then the support rod 14 can be twisted into the threaded holes 13 by the fixing screws 6 on the fixing ring buckles 7, the condition that the support rod 14 is prevented from shifting in the inner part can be realized, the service life can be prolonged, the drill bit 10 is fixedly arranged at the lower end of the third step 9, the middle of the lower end of the drill bit 10 is provided with a bottom edge 16, one side of the lower end of the drill bit 10 is provided with two flat angle cutters 17, when the reamer is used for cutting, firstly, chip processing is carried out through the bottom edge 16, then, after the cutting is finished, the reamer angle is changed, the flat angle cutters 17 are used for grinding, the cutter changing time is reduced, and the effect of improving the working efficiency is achieved.

Fixed end 2 that is provided with in 1 upper end of handle of a knife, a plurality of round holes 15's quantity is four, and a plurality of screw hole 13's quantity is three, and a plurality of set screws 6 are equallyd divide and are do not in screw hole 13 and align, and a plurality of nuts 4 are all attached at 1 outer wall of handle of a knife, and handle of a knife 1 comprises stainless steel material, and drill bit 10 comprises alloy material.

The working principle is as follows: the utility model discloses during the use, at first rotate screw sleeve 11 and turn round drive arrangement, after the dress is in suitable position, it runs through inside the round hole 15 that screw sleeve 11 seted up to recycle threaded rod 3, turn round screw cap 4 to threaded rod 3 at last again, until screw cap 4 attached can at 1 outer wall of handle of a knife, later can improve stronger holding power to drill bit 10 inside through bracing piece 14, increase the internal stability, later utilize fixed screw 6 on the retaining ring knot 7 to turn round inside screw hole 13, can make bracing piece 14 avoid the condition of skew in inside, carry out chip machining through end sword 16 at last, later after the cutting is accomplished, change reamer angle, make flat angle sword 17 grind flat processing, the time of tool changing has been reduced, the effect that improves work efficiency has been reached.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (8)

1. The utility model provides a spiral deep hole ladder reamer, includes handle of a knife (1), its characterized in that: a threaded sleeve (11) is arranged inside the knife handle (1) close to the upper end, a plurality of round holes (15) are formed in the outer wall of the threaded sleeve (11), a plurality of round holes (15) are arranged in a group of two opposite round holes, threaded rods (3) are arranged inside the two groups of round holes (15) in a penetrating manner, two nuts (4) are movably sleeved on the outer walls of the two threaded rods (3), the lower end of the knife handle (1) is fixedly provided with a first step (5), the lower end of the first ladder (5) is fixedly provided with a second ladder (8), a third step (9) is fixedly arranged at the lower end of the second step (8), the outer walls of the first step (5), the second step (8) and the third step (9) are fixedly sleeved with fixing buckles (7), fixing screws (6) are fixedly arranged in the middles of the outer walls of the plurality of fixing buckles (7), a small fixing block (12) is fixedly arranged in the knife handle (1) close to the lower end, a support rod (14) is fixedly arranged in the middle of the lower end of the small fixed block (12), a plurality of threaded holes (13) are arranged on the outer wall of the supporting rod (14), a drill bit (10) is fixedly arranged at the lower end of the third step (9), the middle of the lower end of the drill bit (10) is provided with a bottom blade (16), and one side of the lower end of the drill bit (10) is provided with two flat angle cutters (17).

2. The helical deep hole stepped reamer of claim 1 wherein: the upper end of the knife handle (1) is fixedly provided with an end head (2).

3. The helical deep hole stepped reamer of claim 1 wherein: the number of the circular holes (15) is four.

4. The helical deep hole stepped reamer of claim 1 wherein: the number of the plurality of threaded holes (13) is three.

5. The helical deep hole stepped reamer of claim 1 wherein: the fixing screws (6) are aligned with the threaded holes (13) respectively.

6. The helical deep hole stepped reamer of claim 1 wherein: a plurality of screw caps (4) are attached to the outer wall of the knife handle (1).

7. The helical deep hole stepped reamer of claim 1 wherein: the knife handle (1) is made of stainless steel materials.

8. The helical deep hole stepped reamer of claim 1 wherein: the drill bit (10) is composed of an alloy material.

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