CN213591770U - Adjustable shaft hole rough boring cutter device - Google Patents

Abstract

The utility model belongs to the technical field of cutters, in particular to an adjustable shaft hole rough boring cutter device, which comprises a rough boring cutter body, wherein a cutter seat is arranged at the upper end of the rough boring cutter body, a cutter cylinder is fixedly connected with the bottom end of the cutter seat, a cutter handle is arranged at the bottom end of the cutter cylinder, an insert cavity is arranged inside the cutter cylinder, an insert rod is integrally formed at the upper end of the cutter handle, a plurality of limiting clamping grooves are arranged at the periphery of the outer wall of the bottom end of the cutter cylinder, a plurality of limiting clamping blocks are integrally formed at the periphery of the outer wall of the upper end of the cutter handle, a fixing bolt is screwed and connected to one side of the cutter cylinder, a mounting groove is arranged at one side of the bottom end of the cutter cylinder, a cutter head is fixedly connected inside the mounting groove through a fixing wire, a limiting edge groove is arranged at the upper end of the mounting groove, thereby being convenient for the use of the rough boring cutter body and being convenient and fast to use.

Description

Adjustable shaft hole rough boring cutter device

Technical Field

The utility model belongs to the technical field of the cutter, concretely relates to adjustable shaft hole heavy boring cutter device.

Background

The boring cutter is one of boring cutters, the most common occasions are inner hole machining, hole expanding, profiling and the like, the boring cutter is provided with one or two cutting parts and is specially used for performing rough machining, semi-finishing machining or finish machining on an existing hole, the boring cutter can be used on a boring machine, a lathe or a milling machine, and the existing rough boring cutter for machining a shaft hole has the following problems in the use process: firstly, the knife handle is inserted and connected with the knife cylinder through the insertion rod and the insertion cavity, and then the knife handle is further screwed and fixed through the fastening screw bolt, so that the fixed installation of the knife handle relative to the knife cylinder is completed, however, only through the connecting structure and the installation mode, the fixing effect of the knife handle relative to the knife cylinder is poor, the knife handle is easy to slip and rotate relative to the knife handle after being stressed, the connection stability of the knife cylinder relative to the knife handle is influenced, and the use is inconvenient; secondly, the relative handle of a knife of tool carries out fixed connection through the fixed screw bolt, and the change of the tool bit blade face after the use is comparatively inconvenient to influence the multiaspect use of tool bit, it is comparatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides an adjustable shaft hole heavy boring cutter device has to connect firm and ann tears convenient characteristics open.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an adjustable shaft hole heavy boring cutter device, includes heavy boring sword cutter body, the upper end of heavy boring sword cutter body is provided with the blade holder, the bottom fixedly connected with sword section of thick bamboo of blade holder, the bottom of sword section of thick bamboo is provided with the handle of a knife, the inserted cavity has been seted up to the inside of sword section of thick bamboo, the upper end integrated into one piece of handle of a knife has the inserted bar, the spacing draw-in groove of a plurality of has been seted up all around to the bottom outer wall of sword section of thick bamboo, the upper end outer wall of handle of a knife has the spacing fixture block of a plurality of all around integrated into one piece, one side of sword section of thick bamboo closes soon and is connected with the gim peg, the mounting groove has been seted up to.

As the utility model discloses an adjustable shaft hole heavy boring cutter device is preferred technical scheme, the plug-in cavity is square structure and mutual gomphosis with the inserted bar, spacing draw-in groove is arc structure and mutual gomphosis with spacing fixture block.

As the utility model discloses an adjustable shaft hole heavy boring cutter device is preferred technical scheme, the gim peg is metal component and closes soon to run through and inserts chamber and inserted bar.

As the utility model discloses an adjustable shaft hole heavy boring cutter device preferred technical scheme, the tool bit is the mutual gomphosis of rhombus structure and upper end and spacing arris groove.

As the utility model discloses an adjustable shaft hole heavy boring cutter device is preferred technical scheme, the fixed wire is metal component and closes the tool bit that runs through soon.

As the utility model discloses an adjustable shaft hole heavy boring cutter device is preferred technical scheme, the external diameter of tool bit is wider in the handle of a knife.

Compared with the prior art, the beneficial effects of the utility model are that: when the boring cutter is used, the upper end of the cutter handle is mutually embedded with an inserting cavity in the cutter barrel through the inserting rod, a plurality of limiting clamping blocks on the periphery of the outer wall of the upper end of the cutter handle are mutually embedded with a plurality of limiting clamping grooves on the periphery of the outer wall of the bottom end of the cutter barrel, and the fixing bolt on one side of the cutter barrel is screwed and fixed, so that the fixed installation of the cutter handle relative to the cutter barrel is completed, the connection of the cutter handle relative to the cutter barrel is stable and firm, the sliding and the rotation are not easy, the use of a rough boring cutter body; when using, accomplish laying of the relative handle of a knife of tool bit through the mounting groove of a sword section of thick bamboo bottom one side, accomplish the gomphosis of the relative handle of a knife of tool bit through the spacing edge groove of the inside upper end of mounting groove, it is fixed to close soon through the fixed silk of mounting groove one side to accomplish the fixed mounting of the relative handle of a knife of tool bit, simultaneously, can change the cutting edge of tool bit after the use, the multiaspect of the tool bit of being convenient for is used, and then the use of the heavy boring sword cutter body of being convenient for, and it.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the external structure of the connection state of the knife handle and the knife cylinder in the present invention;

FIG. 3 is a schematic view of the internal sectional structure of the knife handle and knife cylinder in the mounting and dismounting state of the utility model;

FIG. 4 is a schematic view of the external structure of the knife handle and knife cylinder in the mounting and dismounting state of the utility model;

FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 6 is an enlarged view of the structure at B in FIG. 2;

FIG. 7 is a schematic view of the external structure of the tool bit and the tool holder in the connection state;

FIG. 8 is a side view of the external structure of the tool bit and the tool holder in the connection state of the tool bit and the tool holder;

in the figure: 1. a rough boring cutter body; 2. a tool apron; 3. a knife cylinder; 4. a knife handle; 5. a cutter head; 6. inserting a cavity; 7. inserting a rod; 8. a fixing bolt; 9. a limiting clamping groove; 10. a limiting clamping block; 11. mounting grooves; 12. fixing the wire; 13. spacing arris groove.

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.

Examples

Referring to fig. 1-8, the present invention provides the following technical solutions: an adjustable shaft hole rough boring cutter device comprises a rough boring cutter body 1, a cutter holder 2 is arranged at the upper end of the rough boring cutter body 1, a cutter barrel 3 is fixedly connected to the bottom end of the cutter holder 2, a cutter handle 4 is arranged at the bottom end of the cutter barrel 3, an insert cavity 6 is arranged inside the cutter barrel 3, an insert rod 7 is integrally formed at the upper end of the cutter handle 4, a plurality of limiting clamping grooves 9 are formed around the outer wall of the bottom end of the cutter barrel 3, a plurality of limiting clamping blocks 10 are integrally formed around the outer wall of the upper end of the cutter handle 4, a fixing bolt 8 is screwed and connected to one side of the cutter barrel 3, a mounting groove 11 is formed at one side of the bottom end of the cutter barrel 3, a cutter head 5 is fixedly connected inside the mounting groove 11 through a fixing wire 12, and a limiting rib groove 13 is formed at the upper end of the mounting groove 11, in the embodiment, the rough boring cutter body 1, the cutter holder 2, the cutter, it can be used for rough machining of shaft holes.

It is specific, insert chamber 6 and inserted bar 7 and be square structure and mutual gomphosis, spacing draw-in groove 9 is arc structure and mutual gomphosis with spacing fixture block 10, in this embodiment, when using, through the mutual gomphosis of inserted bar 7 and the inside chamber 6 of inserting of a knife section of thick bamboo 3 of handle of a knife 4 upper end, through the mutual gomphosis of a plurality of spacing fixture block 10 and a plurality of spacing draw-in groove 9 all around of 3 bottom outer walls of a knife section of thick bamboo 3 of handle of a knife 4 upper end outer wall all around, it is fixed to close soon through the gim peg 8 of 3 one sides of a knife section of thick bamboo, thereby accomplish the fixed mounting of the relative knife section of thick bamboo 3 of handle of a knife 4, the relative knife section of thick bamboo 3 of handle of a knife.

Specifically, the fixing bolt 8 is a metal member and is screwed to penetrate through the plug cavity 6 and the plug rod 7, in this embodiment, the fixing bolt 8 is used for fixing the plug rod 7 inside the plug cavity 6, the fixing bolt 8 is screwed to penetrate through the plug cavity 6 and the plug rod 7, and the front end of the fixing bolt is screwed into the inner wall of one side of the plug cavity 6, and corresponding threaded through holes are formed in the surfaces of the knife cylinder 3, the plug cavity 6 and the plug rod 7, which are not shown in the figure.

Specifically, the cutter head 5 is of a diamond structure, the upper end of the cutter head is embedded with the limit ridge groove 13, in the embodiment, the cutter head 5 is of a diamond structure and is provided with four edges, when the cutter head 5 is installed, the cutter head 5 is attached to the inside of the installation groove 11, the edge at the upper end of the fixing rod is clamped in the mounting groove 11 and then is screwed and fixed through the fixing wire 12, when in use, the installation of the tool bit 5 relative to the tool holder 4 is completed through the installation groove 11 at one side of the bottom end of the tool cylinder 3, the embedding of the tool bit 5 relative to the tool holder 4 is completed through the limiting edge groove 13 at the upper end inside the mounting groove 11, the fixing wire 12 at one side of the mounting groove 11 is screwed and fixed, thereby accomplish the fixed mounting of tool bit 5 relative handle of a knife 4, simultaneously, can change the faceted of tool bit 5 after the use, the multiaspect of the tool bit 5 of being convenient for is used, and then the use of the heavy boring sword cutter body 1 of being convenient for, and it is convenient to use.

Specifically, the fixing wire 12 is a metal member and is screwed to penetrate the tool bit 5, in this embodiment, the fixing wire 12 is used for fixing the tool bit 5 inside the mounting groove 11 and the limiting rib groove 13 relative to the tool holder 4, the fixing wire 12 is screwed to penetrate the tool bit 5, the front end of the fixing wire is screwed into the inner wall of one side of the mounting groove 11, and corresponding threaded through holes are formed in the surfaces of the tool bit 5 and the mounting groove 11, which are not shown in the drawing.

Specifically, the outer diameter of the tool bit 5 is wider than the tool shank 4, and in this embodiment, the outer diameter of the tool bit 5 is wider than the tool shank 4, so that the tool shank 4 at the upper end of the tool bit 5 passes through the formed hole.

The utility model discloses a theory of operation and use flow: when the utility model is used, the cutter holder 2 at the upper part of the rough boring cutter body 1 is fixedly arranged on a transmission device of an external boring machine, a lathe or a milling machine through a screw bolt, the inserted bar 7 at the upper end of the cutter handle 4 is embedded into the inserted cavity 6 inside the cutter barrel 3, a plurality of limiting clamping blocks 10 at the periphery of the outer wall at the upper end of the cutter handle 4 are tightly embedded with a plurality of limiting clamping grooves 9 at the periphery of the outer wall at the bottom end of the rough boring cutter body 1, and then the inserted bar 7 inside the inserted cavity 6 is screwed and fixed through the fixing bolt 8, thereby completing the fixed installation of the cutter handle 4 relative to the cutter barrel 3;

the tool bit 5 is placed in the attachment and placed in the installation groove 11, the edge angle of the upper end of the tool bit is embedded and clamped in the limiting edge groove 13, the tool bit 5 located in the installation groove 11 and the limiting edge groove 13 is screwed and fixed through the fixing wire 12, so that the tool bit 5 is fixedly installed relative to the tool holder 4, the rough boring tool body 1 is used correspondingly, the rough boring tool body 1 is driven to rotate through an external transmission device, the tool bit 5 at the bottom end of the tool holder 4 is used for drilling, when the blade face of the tool bit 5 after being used is required to be replaced, the tool bit 5 in the installation groove 11 and the limiting edge groove 13 is taken down through the fixing wire 12, then the edge angle of the tool bit 5 is replaced, and the tool bit 5 after the blade face of the tool bit 5 is replaced is fixedly installed in the installation groove 11 and the limiting edge groove 13 again through the fixing wire 12.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides an adjustable shaft hole heavy boring cutter device which characterized in that: comprises a rough boring cutter body (1), a cutter holder (2) is arranged at the upper end of the rough boring cutter body (1), the bottom end of the tool apron (2) is fixedly connected with a tool cylinder (3), the bottom end of the tool cylinder (3) is provided with a tool handle (4), an insert cavity (6) is arranged in the knife cylinder (3), an insert rod (7) is integrally formed at the upper end of the knife handle (4), a plurality of limiting clamping grooves (9) are arranged on the periphery of the outer wall of the bottom end of the knife cylinder (3), a plurality of limiting clamping blocks (10) are integrally formed on the periphery of the outer wall of the upper end of the knife handle (4), one side of the knife cylinder (3) is connected with a fixed bolt (8) in a screwing way, one side of the bottom end of the knife cylinder (3) is provided with an installation groove (11), mounting groove (11) are inside through mounting wire (12) fixedly connected with tool bit (5), spacing arris groove (13) have been seted up to the upper end of mounting groove (11).

2. The adjustable shaft hole rough boring cutter device of claim 1, wherein: the inserting cavity (6) and the inserting rod (7) are both of a square structure and are mutually embedded, and the limiting clamping groove (9) and the limiting clamping block (10) are both of an arc structure and are mutually embedded.

3. The adjustable shaft hole rough boring cutter device of claim 1, wherein: the fixing bolt (8) is a metal member and is screwed to penetrate through the insertion cavity (6) and the insertion rod (7).

4. The adjustable shaft hole rough boring cutter device of claim 1, wherein: the tool bit (5) is of a diamond structure, and the upper end of the tool bit is embedded with the limiting edge groove (13).

5. The adjustable shaft hole rough boring cutter device of claim 1, wherein: the fixing wire (12) is a metal component and penetrates through the cutter head (5) in a screwing mode.

6. The adjustable shaft hole rough boring cutter device of claim 1, wherein: the outer diameter of the cutter head (5) is wider than that of the cutter handle (4).

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