CN209407449U - A kind of fine boring tool for cabinet - Google Patents

Abstract

The utility model belongs to technical field of mechanical processing, disclose a kind of fine boring tool for cabinet, including knife handle, interconnecting piece and the affixed knife bar in interconnecting piece one end, knife bar has multiple sides, side is respectively provided with a cutter head, and cutter head includes tool apron, the blade being arranged on tool apron, the fixing piece that tool apron bottom is arranged in and is placed in the locking nut on tool apron to be fastened on the tool apron on knife bar；When processing head housing box body product, the cutter head of corresponding size is installed on cutter head for various sizes of processing hole, it can be rotated by interconnecting piece in machining boreholes so that cutter head correspond to the processing hole of corresponding size, substantially increase stock-removing efficiency, and to the fixed reduction error of cutter head precision.

Description

A kind of fine boring tool for cabinet

Technical field

The utility model belongs to technical field of mechanical processing, in particular to a kind of fine boring tool for cabinet.

Background technique

Machining refers to the process of to be changed by outer dimension or performance of a kind of mechanical equipment to workpiece.By adding Difference in work mode can be divided into machining and pressure processing, and wherein machining can generally be processed by cutting tool for boring.

Boring cutter is one kind of cutting tool for boring, usually round handle, also there is larger workpiece user knife bar, most common occasion It is exactly interior hole machined, reaming, profiling etc..There is one or two cutting tip, dedicated for the progress roughing of existing hole, half The cutter of finishing or finishing.Boring cutter can use on boring machine, lathe or milling machine.

In the patent that China Patent No. is CN207914611U, a kind of compound tool of the coarse-fine boring with chamfering is proposed, wrap Cutter hub and cutter head are included, right boring portion and heavy boring portion are equipped in the cutter head, right boring portion is located at the top of cutter head, and heavy boring portion is located at cutter head diameter To place, and heavy boring portion is between right boring portion and cutter hub, right boring portion and heavy boring portion with cutter head mobile connection, and right boring portion and thick Boring portion direction is different.

A hole that cutter can only be processed a kind of size, is not capable of processing different holes in above-mentioned patent, in conversion blade When it is cumbersome be easy precision is impacted.By field research and observation, the work in processing head housing box body product is found People is also processed using white steel knife, hard alloy brazed shank tool and machine clamping type cutting tool, and the too low of these conventional knifes is cut Speed and feed speed are cut, is not able to satisfy the requirement of high-speed cutting, this cutter cannot improve stock-removing efficiency.

Summary of the invention

The utility model aim is to provide a kind of fine boring tool for cabinet, and the cutter to solve mentioned above can only A kind of hole of size is processed, is not capable of processing different holes, it is cumbersome when converting blade to be easy to impact precision, And stock-removing efficiency cannot be improved.

The utility model solve its technical problem the technical solution adopted is that, propose a kind of fine boring tool for cabinet, Including knife handle and the affixed interconnecting piece of the knife handle and the affixed knife bar of the interconnecting piece other end, the knife bar has multiple Side, the side are respectively provided with a cutter head, and the cutter head includes tool apron, the blade being arranged on tool apron, is arranged in the knife Seat bottom fixing piece and be placed in the locking nut on tool apron to be fastened on the tool apron on knife bar.

It is further preferred that the knife bar is set there are three symmetric side, each side is respectively fixed with the first cutter head, the Two cutter heads and third cutter head.

It is further preferred that the cutting ruler diameter of first cutter head, the second cutter head and third cutter head is all different.

It is further preferred that the interconnecting piece include one end and knife handle it is affixed set the first connector of internal thread, one The external screw thread of second connector outer surface and screw-internal thread fit is arranged in end and the second affixed connector of knife bar, by the Two connectors are along the first connector internal screw thread precession or back-out so that knife bar is connect with knife handle.

It is further preferred that the interconnecting piece further includes the elastic bumps being placed on the outside of the second connector and is correspondingly arranged at Through-hole on first connector, the clear size of opening is identical as elastic bumps, when the second connector is connect with the first connector Elastic bumps are extended to be resisted in through-hole and by through-hole to fix knife bar and knife handle.

It is further preferred that the second connector setting is there are three elastic bumps, each elastic bumps is correspondingly arranged Where each side of knife bar on parallel surface.

It is further preferred that being provided with three through-holes corresponding with elastic bumps on first connector.

It is further preferred that the blade is triangular structure, the side of the tool apron is embedded in by lock screw installation.

The utility model has the beneficial effects that when processing head housing box body product, for various sizes of processing hole on cutter head The cutter head for installing corresponding size can be rotated in machining boreholes by interconnecting piece so that cutter head corresponds to the processing hole of corresponding size, Stock-removing efficiency is substantially increased, and reduces error to cutter head precision is fixed.

Detailed description of the invention

Fig. 1 is a kind of planar structure schematic diagram of fine boring tool for cabinet of the utility model embodiment；

Fig. 2 is that the position that cutter head is installed on knife bar in a kind of fine boring tool for cabinet of the utility model embodiment shows It is intended to；

Fig. 3 is the overall structure signal of interconnecting piece in a kind of fine boring tool for cabinet of the utility model embodiment Figure；

Fig. 4 is the planar structure schematic diagram of cutter head in a kind of fine boring tool for cabinet of the utility model embodiment.

In figure: 1- knife handle, 2- interconnecting piece, the first connector of 21-, the second connector of 22-, 23- external screw thread, 24- elasticity are convex Rise, 25- through-hole, 3- knife bar, 4- cutter head, 41- tool apron, 42- blade, 43- fixing piece, 44- locking nut, the first cutter head of 45-, The second cutter head of 46-, 47- third cutter head.

Specific embodiment

It, below will control in order to illustrate more clearly of the utility model embodiment and/or technical solution in the prior art Detailed description of the invention specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also basis These attached drawings obtain other attached drawings, and obtain other embodiments.In addition, between being related to the belonging to and only indicate each component of orientation Relative positional relationship, rather than absolute positional relation.

Please refer to Fig. 1 and Fig. 4.The compound fine boring tool of three steps for cabinet in the utility model embodiment, packet Including knife handle 1 and the affixed interconnecting piece 2 of the knife handle 1 and the affixed knife bar 3 of 2 other end of interconnecting piece, the knife bar 3 has Multiple sides, the side are respectively provided with a cutter head 4, the cutter head 4 include tool apron 41, the blade 42 being arranged on tool apron 41, The fixing piece 43 of 41 bottom of tool apron is set and is placed in the lock on tool apron 41 to be fastened on the tool apron 41 on knife bar 3 Tight nut 44.

1 one end of knife handle is fixed in interconnecting piece 2 in this embodiment, and the other end is attached on lathe, can in machining box At processing hole needed for cutter head 4 is placed in, processed by 42 pairs of processing holes of blade.

In the fixed cutter head 4 of the present embodiment, to ensure that cutter head requirement clamps securely, does not shake unshift when in use, institute The shape for stating fixing piece 43 can be as shown in Fig. 1,2 or 4, and similar " S " type, is fixed in 41 bottom of tool apron and length is less than 41 bottom of tool apron Portion, increase as far as possible in 43 precession of fixing piece with the contact area of knife bar 3, in knife bar 3 and 43 junction of fixing piece equipped with The bore hole that fixing piece 43 cooperates is to ensure the fixation of fixing piece 43；The lock to reinforce cutter head 4 is also added in this embodiment Tight nut 44, the locking nut 44 are placed in 41 two sides of tool apron, by bolt precession or screw out with fixed to tool apron 41.

As shown in Fig. 2, the knife bar 3 is set there are three symmetric side, each side is respectively fixed with the first cutter head 45, the The cutting ruler diameter of two cutter heads 46 and third cutter head 47, first cutter head 45, the second cutter head 46 and third cutter head 47 is all different.

For three cutter heads 4 as shown in Fig. 2, knife bar 3 is in triangular prism structure, the angle of every one side is 120 in the present embodiment Degree, first cutter head 45, the second cutter head 46 and third cutter head 47 are respectively placed on every one side, and the ruler of each cutter head 4 Very little difference；When processing in one embodiment to the head capsule cabinet of model 8146-280301, the size of three cutter heads 4 can be set respectively For diameter 99.992mm, 109.992mm and 139.992mm, error range is in 0.025mm, when being processed using corresponding cutter head 4 Only need rotary connector 2 that will process hole corresponding.

As shown in figure 3, the interconnecting piece 2 include one end and knife handle 1 it is affixed set the first connector of internal thread 21, one End and the second affixed connector 22 of knife bar 3, the external screw thread that the second connector 22 outer surface and screw-internal thread fit are set 23, by the second connector 22 along the 21 internal screw thread precession of the first connector or back-out so that knife bar 3 is connect with knife handle 1；The connection Portion 2 further includes the through-hole 25 for being placed in the elastic bumps 24 in 22 outside of the second connector and being correspondingly arranged on the first connector 21, 25 size of through-hole is identical as elastic bumps 24, and when the second connector 22 is connect with the first connector 21, elastic bumps 24 can It stretches out in through-hole 25 and is resisted by through-hole 25 to fix knife bar 3 and knife handle 1.

Particularly, there are three elastic bumps 24, each elastic bumps 24 is correspondingly arranged for the setting of the second connector 22 Where each knife face of knife bar 3 on parallel surface.

Particularly, three through-holes 25 corresponding with elastic bumps 24 are provided on first connector 21.

Where elastic bumps 24 and through-hole 25 are separately positioned on the side of knife bar 3 on parallel surface, in this way in the second connector Various sizes of cutter head 4 changes position when 22 rotation but the knife handle 1 connecting with lathe remains unchanged, and increases stock-removing efficiency.

Knife handle 1 can be BT50 knife handle in this embodiment.

Cutter head 3 can be 40Cr cutter head in this embodiment.

It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the protection scope of the utility model.

Claims (8)

1. a kind of fine boring tool for cabinet, it is characterised in that: including knife handle (1) and the knife handle (1) affixed interconnecting piece (2), with the affixed knife bar (3) of the interconnecting piece (2) other end, with multiple sides, the side is respectively provided with the knife bar (3) One cutter head (4), the cutter head (4) include tool apron (41), the blade (42) being arranged on tool apron (41), are arranged in the tool apron (41) fixing piece (43) of bottom and it is placed in the locking screw on tool apron (41) to be fastened on the tool apron (41) on knife bar (3) Female (44).

2. a kind of fine boring tool for cabinet according to claim 1, it is characterised in that: the knife bar (3) is equipped with three A symmetric side, each side are respectively fixed with the first cutter head (45), the second cutter head (46) and third cutter head (47).

3. a kind of fine boring tool for cabinet according to claim 2, it is characterised in that: first cutter head (45), The cutting ruler diameter of second cutter head (46) and third cutter head (47) is all different.

4. a kind of fine boring tool for cabinet according to claim 1, it is characterised in that: the interconnecting piece (2) includes One end and knife handle (1) it is affixed set the first connector of internal thread (21), one end and affixed the second connector of knife bar (3) (22), the external screw thread (23) in the second connector (22) outer surface and screw-internal thread fit is set, by the second connector (22) Along the first connector (21) internal screw thread precession or back-out so that knife bar (3) is connect with knife handle (1).

5. a kind of fine boring tool for cabinet according to claim 4, it is characterised in that: the interconnecting piece (2) is also wrapped The through-hole (25) for including the elastic bumps (24) being placed on the outside of the second connector (22) and being correspondingly arranged on the first connector (21), Through-hole (25) size is identical as elastic bumps (24), elastic when the second connector (22) is connect with the first connector (21) (24) are extended resists in through-hole (25) and by through-hole (25) to fix knife bar (3) and knife handle (1) for protrusion.

6. a kind of fine boring tool for cabinet according to claim 5, it is characterised in that: second connector (22) There are three elastic bumps (24), each elastic bumps (24) is correspondingly arranged at where knife bar (3) each side in parallel for setting On face.

7. a kind of fine boring tool for cabinet according to claim 6, it is characterised in that: first connector (21) On be provided with three through-holes (25) corresponding with elastic bumps (24).

8. a kind of fine boring tool for cabinet according to claim 1, it is characterised in that: the blade (42) is triangle Shape structure is embedded in the side of the tool apron (41) by lock screw installation.