Drill bit for deep hole machining

Abstract

The utility model relates to the technical field of deep hole machining drill bits, in particular to a drill bit for deep hole machining, which comprises a rod body, a cutting shaft for supporting is integrally constructed on the surface of the outer side end of the rod body, and ring bodies for supporting are integrally constructed at one end, far away from the rod body, of the cutting shaft and the periphery of the rod body. A sleeve used for supporting is installed on the periphery of the ring body in a screwed mode. When the drill bit for deep hole machining is used, the conical block can drive the blade body installed on the inclined face to rotate in a deep hole, and the blade is conical and matched with the ring body when rotating, so that protrusions in the deep hole can be cut; by means of the structure, the ring body can smoothly step in the deep hole, the blade body on the cutting shaft can be conveniently supported, the blade body on the periphery of the cutting shaft can more stably work in the deep hole, the conical block is connected with the ring body in a screwed mode through the threaded sleeve, and disassembly, assembly and replacement are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to deep hole machining drill bit technical field, concretely relates to a drill bit for deep hole machining. BACKGROUND

[0002] Deep hole machining is the hole length and the hole diameter ratio is greater than 6 hole, deep hole machining general deep hole most cases deep diameter ratio L / d is greater than or equal to 100. Such as oil cylinder hole, axial oil hole of shaft, hollow spindle hole and hydraulic valve hole etc. ; Patent No. CN201721716061.3 discloses a drill bit for deep hole machining, the drill bit is made of high speed steel, adopts sectional structure, is equipped with spiral groove on the guide section, improves the rigidity of drill bit, guarantees the smooth discharge of iron filings, but when the drill bit is used, since the blade is located in the cutting section, if there is a protrusion in the hole, it will cause certain influence to the stepping of guide end, and will hinder the stepping cutting of drill bit. For this reason, we propose a drill bit for deep hole machining. SUMMARY

[0003] In view of the problems in the prior art, the utility model provides a drill bit for deep hole machining.

[0004] The utility model discloses a technical scheme that solves its technical problem is a drill bit for deep hole machining, including the pole body, the pole body outside end surface integration has the cutting shaft for supporting, and the cutting shaft is away from the pole body one end and the pole body periphery integration has the ring body for supporting, the ring body periphery screw fits and is installed the sleeve for supporting, and the sleeve periphery rotation has the outer ring for auxiliary support, and the outer ring periphery is equipped with the bull's eye wheel for moving, and the bull's eye wheel has multiple groups.

[0005] The end of the ring body away from the cutting shaft is screw fitted with a threaded sleeve, and the threaded sleeve is away from the ring body one end and is integrated with a tapered block for guiding, the tapered block and the cutting shaft periphery are all provided with inclined surfaces, and the inclined surfaces have multiple groups, the inclined surfaces are assembled with a blade body for deep hole machining through bolts.

[0006] By adopting the above technical scheme, when the drill bit for deep hole machining is used, the tapered block can drive the blade body installed on the inclined surface to rotate in the deep hole, and the blade rotates in a conical shape and is adapted to the ring body, so that the protrusion in the deep hole can be cut, the ring body can smoothly step in the deep hole and conveniently support the blade body on the cutting shaft, the blade body on the cutting shaft periphery can work more stably in the deep hole, and the tapered block is screw connected with the ring body through the threaded sleeve, which is convenient for disassembly and replacement.

[0007] When the drill bit is used to process a deep hole, the outer ring conforming to the hole diameter specification can be selected, the sleeve on the inner periphery of the outer ring is conveniently screwed and connected with the ring on the outer periphery of the rod body, the outer ring is conveniently installed, the outer ring on the outer periphery of the sleeve is conveniently rotated, a plurality of groups of cow eye wheels on the outer periphery of the outer ring can support the outer ring, the outer ring can smoothly slide and displace in the deep hole, and the sleeve on the inner periphery of the outer ring can rotate with the rotation of the ring, so that the blade on the inclined surface on the outer periphery of the cutting shaft between the two groups of rings can more stably work, and the stability during work is improved.

[0008] Specifically, the outer periphery of the ring is provided with a plurality of groups of arc-shaped grooves.

[0009] By adopting the above technical scheme, the arc-shaped grooves on the outer periphery of the ring can conveniently discharge the debris or cooling liquid during work in the deep hole, so as to conveniently reduce the accumulation of the debris or cooling liquid.

[0010] Specifically, the outer periphery of the ring is provided with a plurality of groups of arc-shaped grooves.

[0011] By adopting the above technical scheme, the arc-shaped grooves on the outer periphery of the ring can conveniently discharge the debris or cooling liquid during work in the deep hole, so as to conveniently reduce the accumulation of the debris or cooling liquid.

[0012] Specifically, the outer periphery of the ring is provided with a plurality of groups of arc-shaped grooves.

[0013] By adopting the above technical scheme, the arc-shaped grooves on the outer periphery of the ring can conveniently discharge the debris or cooling liquid during work in the deep hole, so as to conveniently reduce the accumulation of the debris or cooling liquid.

[0014] Specifically, the outer periphery of the ring is provided with a plurality of groups of arc-shaped grooves.

[0015] By adopting the above technical scheme, the arc-shaped grooves on the outer periphery of the ring can conveniently discharge the debris or cooling liquid during work in the deep hole, so as to conveniently reduce the accumulation of the debris or cooling liquid.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1、The technical scheme of the application is characterized in that the cutting shaft, the ring body, the sleeve, the outer ring and the bullseye wheel are designed, when a drill bit is used to process a deep hole, the outer ring meeting the hole diameter specification can be selected, the sleeve on the inner periphery of the outer ring is convenient for being screw-connected with the ring body on the outer periphery of the rod body, the outer ring on the outer periphery of the sleeve is convenient for rotating, and the plurality of bullseye wheels on the outer periphery of the outer ring can support the outer ring, so that the outer ring can smoothly slide and displace in the deep hole, and the sleeve on the inner periphery of the outer ring can rotate with the rotation of the ring body, so that the blade body on the inclined surface on the outer periphery of the cutting shaft between the two ring bodies can more stably work, and the stability during work is improved.

[0018] 2、The technical scheme of the application is characterized in that the cutting shaft, the ring body, the sleeve, the outer ring and the bullseye wheel are designed, when a drill bit is used to process a deep hole, the outer ring meeting the hole diameter specification can be selected, the sleeve on the inner periphery of the outer ring is convenient for being screw-connected with the ring body on the outer periphery of the rod body, the outer ring on the outer periphery of the sleeve is convenient for rotating, and the plurality of bullseye wheels on the outer periphery of the outer ring can support the outer ring, so that the outer ring can smoothly slide and displace in the deep hole, and the sleeve on the inner periphery of the outer ring can rotate with the rotation of the ring body, so that the blade body on the inclined surface on the outer periphery of the cutting shaft between the two ring bodies can more stably work, and the stability during work is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] The application will be further described below in combination with the drawings and embodiments.

[0020] Figure 1 is the axonometric view of the application;

[0021] Figure 2 is the exploded view of the connecting structure between the outer ring and the ring body of the application;

[0022] Figure 3 is the plane schematic view of the connecting structure between the conical block and the ring body of the application;

[0023] In the drawings: 1, rod body; 2, cutting shaft; 3, ring body; 4, threaded sleeve; 5, conical block; 6, inclined surface; 7, sleeve; 8, outer ring; 9, bullseye wheel; 10, arc-shaped groove; 11, circular hole; 12, inner hexagonal stud; 13, threaded hole; 14, blade body. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, purposes and effects realized by the application easy to understand, the application will be further described below in combination with specific embodiments.

[0025] Please refer to Figures 1-3The utility model discloses an embodiment provides a kind of technical scheme: a drill bit for deep hole machining, including stem 1, stem 1 outer side end surface integrally constructs the cutting shaft 2 for supporting, and the cutting shaft 2 away from stem 1 one end and stem 1 periphery integrally construct the ring body 3 for supporting, ring body 3 periphery screwing installation is used for supporting the sleeve 7, and the sleeve 7 periphery rotation installation is used for the outer ring 8 of auxiliary support, and the outer ring 8 periphery is equipped with the cow eye wheel 9 for moving, and the cow eye wheel 9 has multiple groups;Ring body 3 away from the cutting shaft 2 one end screwing installation has threaded sleeve 4, and threaded sleeve 4 away from ring body 3 one end integrally constructs the tapered block 5 for guiding, tapered block 5 and cutting shaft 2 periphery are all provided with inclined plane 6, and inclined plane 6 has multiple groups, and inclined plane 6 is equipped with the blade body 14 for deep hole machining by bolt.

[0026] When using, when the drill bit for deep hole machining is used, the tapered block 5 can rotate the blade body 14 installed on the inclined plane 6 in the deep hole, and the blade rotates in a conical shape and is adapted to the ring body 3, so that the protrusions in the deep hole can be cut, the ring body 3 can smoothly step in the deep hole and conveniently support the blade body 14 on the cutting shaft 2, and the blade body 14 on the periphery of the cutting shaft 2 can more stably work in the deep hole, and the tapered block 5 is connected by screwing between the threaded sleeve 4 and the ring body 3, which is convenient for disassembly and replacement;

[0027] When the drill bit is used to machine the deep hole, the outer ring 8 conforming to the hole diameter specification can be selected, the sleeve 7 on the inner periphery of the outer ring 8 is conveniently connected with the ring body 3 on the periphery of the stem 1 by screwing, which is convenient for installation, the outer ring 8 on the periphery of the sleeve 7 is conveniently self-rotating, the multiple cow eye wheels 9 on the periphery of the outer ring 8 can support the outer ring 8, so that the outer ring 8 can smoothly slide and displace in the deep hole, and the sleeve 7 on the inner periphery of the outer ring 8 can rotate with the rotation of the ring body 3, so that the blade body 14 on the inclined plane 6 on the periphery of the cutting shaft 2 between the two ring bodies 3 can more stably work, and the stability during work is improved.

[0028] As shown in Figure 1 and Figure 2 , the outer periphery surface of the ring body 3 is provided with arc grooves 10, and the arc grooves 10 have multiple groups.

[0029] When in use, the arc grooves 10 on the periphery of the ring body 3 can discharge the debris or cooling liquid during work in the deep hole, which is convenient for reducing the accumulation of debris or cooling liquid therein.

[0030] As shown in Figure 2 , the ring body 3 periphery screwing installation has the inner hexagonal stud 12 that is screwing connected with threaded sleeve 4.

[0031] In use, the hexagonal stud 12 is screwed to the outer periphery of the ring body 3 and is connected with the threaded sleeve 4, so as to facilitate the auxiliary fixation of the tapered block 5 on the outer periphery of the ring body 3, and the tapered block 5 can operate more stably.

[0032] As shown in Figure 1 , Figure 2 and Figure 3 , the outer peripheral surface of the tapered block 5 is provided with a plurality of circular holes 11 for rotation.

[0033] In use, the circular holes 11 on the outer periphery of the tapered block 5 make the tapered block 5 more convenient to disassemble and assemble.

[0034] As shown in Figure 1 , Figure 2 and Figure 3 , the end of the tapered block 5 away from the ring body 3 is provided with a threaded hole 13.

[0035] In use, the threaded hole 13 on the outer side of the tapered block 5 is convenient to connect and use, and can be connected with the shaft of the auxiliary support when auxiliary support is needed, so that the drill bit can operate more stably.

[0036] The working principle and use process of the utility model are as follows: in use, first, the corresponding structural components are installed in the appropriate position, and when the drill bit for deep hole machining is used, the tapered block 5 can drive the blade body 14 installed on the inclined surface 6 to rotate, and the blade rotates in a conical shape and is matched with the ring body 3, so that the protrusions in the deep hole can be cut, the ring body 3 can smoothly step in the deep hole, the blade body 14 on the cutting shaft 2 can be conveniently supported, the blade body 14 on the outer periphery of the cutting shaft 2 can operate more stably in the deep hole, and the tapered block 5 is connected with the ring body 3 through the threaded sleeve 4, so as to facilitate disassembly and replacement, and when the drill bit is used to machine the deep hole, the outer ring 8 conforming to the hole diameter specification can be selected, the sleeve 7 on the inner periphery of the outer ring 8 is convenient to be connected with the ring body 3 on the outer periphery of the rod body 1, so as to facilitate the installation, the outer ring 8 on the outer periphery of the sleeve 7 is convenient to rotate, a plurality of cow eye wheels 9 on the outer periphery of the outer ring 8 can support the outer ring 8, so that the outer ring 8 can smoothly slide and displace in the deep hole, and the sleeve 7 on the inner periphery of the outer ring 8 can rotate with the rotation of the ring body 3, so that the blade body 14 on the inclined surface 6 on the outer periphery of the cutting shaft 2 between the two ring bodies 3 can operate more stably, and the stability during operation is improved.

[0037] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A drill bit for deep hole machining, characterized by, Including the pole body (1), the pole body (1) outer side end surface is integrally configured with the cutting shaft (2) for support, and the cutting shaft (2) is away from the one end of the pole body (1) and the pole body (1) outer periphery is integrally configured with the ring body (3) for support, the ring body (3) outer periphery screw installation is used for supporting the sleeve (7), and the sleeve (7) outer periphery rotationally installed is used for the auxiliary support ring (8), and the ring (8) is equipped with the bull's eye wheel (9) for moving outside the periphery, and the bull's eye wheel (9) has a plurality of groups; The ring body (3) is away from the one end of the cutting shaft (2) and is screw-mounted with the threaded sleeve (4), and the threaded sleeve (4) is integrally configured with the tapered block (5) for guiding away from the one end of the ring body (3), the tapered block (5) and the cutting shaft (2) outer periphery are all provided with inclined surface (6), and the inclined surface (6) has a plurality of groups, the inclined surface (6) is assembled with the blade body (14) for deep hole machining through the bolt.

2. The drill bit of claim 1, wherein, The ring body (3) outer periphery surface is provided with arc-shaped groove (10), and the arc-shaped groove (10) has a plurality of groups.

3. The drill bit of claim 1, wherein, The ring body (3) outer periphery screw installation is screw-connected with the inner hexagonal stud (12) of the threaded sleeve (4).

4. The drill bit of claim 1, wherein, The tapered block (5) outer periphery surface is provided with a circular hole (11) for rotation, and the circular hole (11) has a plurality of groups.

5. The drill bit of claim 1, wherein, The tapered block (5) is away from the one end of the ring body (3) and is provided with a threaded hole (13).

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