CN210147021U

CN210147021U - Bridge type fine boring cutter

Info

Publication number: CN210147021U
Application number: CN201921059016.4U
Authority: CN
Inventors: 金青云
Original assignee: NINGBO OULE MACHINERY CO Ltd
Current assignee: NINGBO OULE MACHINERY CO Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-03-17
Anticipated expiration: 2029-07-08

Abstract

The utility model relates to a bridge type fine boring cutter, which comprises a cutter handle, a cutter bridge, a cutter holder and a boring head component, the knife bridge is detachably connected with the knife handle, the knife holder is in sliding connection with the knife bridge, an adjusting component is arranged in the knife bridge, the adjusting component is used for adjusting the position of the tool apron on the tool bridge, the boring head component is detachably connected with the tool apron, the adjusting component comprises an adjusting rod, a rotating head and a fixing rod, an adjusting channel is arranged in the knife bridge, the adjusting channel opening is provided with the fixed rod, one end of the rotating head is rotatably connected with the fixed rod, the other end of the rotating head is in threaded connection with one end of the adjusting rod, the bottom of the tool apron is provided with a fixing hole, the other end of the adjusting rod extends upwards to extend through the cutter bridge and extend into the fixing hole, and the adjustable.

Description

Bridge type fine boring cutter

Technical Field

The utility model relates to a machining equipment field, concretely relates to crane span structure formula finish boring sword.

Background

The boring cutter is a kind of boring cutter, generally a round handle, and also has a square cutter bar for a larger workpiece, the most common occasions are inner hole processing, hole expanding, profiling and the like, and the boring cutter is a cutter which has one or two cutting parts and is specially used for performing rough machining, semi-finish machining or finish machining on the existing hole, and the boring cutter can be used on a boring machine, a lathe or a milling machine.

Due to different clamping modes, the clamping device has various forms such as a square handle, a Morse taper handle and a 7:24 taper handle. The double-edge boring cutter has two cutter teeth which are distributed on two sides of the center and cut simultaneously, and because radial forces generated during cutting are balanced, the cutting amount can be increased, and the production efficiency is high.

The bridge type fine boring cutter can be used as a double-edge boring cutter, one side boring cutter can be replaced by a balance block to be used as a single-edge boring cutter, but the position of the boring cutter cannot be conveniently adjusted by the conventional bridge type fine boring cutter, or the conventional bridge type fine boring cutter has an adjusting structure, but the adjusting structure and the adjusting steps are complex, the adjusting structure is easy to generate faults in long-term use, and the use is difficult.

Therefore, it is an urgent problem to be solved by those skilled in the art to improve the conventional bridge type fine boring tool to overcome the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blade holder position can be convenient adjust, and the blade holder can not take place to remove when the machine carries out rotatory cutting machining, and the modularization degree is high, the firm in structure stable crane span structure formula fine boring cutter.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a crane span structure formula finish boring cutter, includes handle of a knife, bridge of a knife, blade holder and boring head subassembly, bridge of a knife detachable connect in the handle of a knife, the blade holder with bridge of a knife sliding connection, be provided with the adjusting part in the bridge of a knife, the adjusting part is used for adjusting the blade holder is in position on the bridge of a knife, boring head subassembly detachable connect in the blade holder.

Specifically, the adjusting part includes adjusting pole, rotating head and dead lever, be provided with the regulation passageway in the knife bridge, it is provided with to adjust the passway the dead lever, rotating head one end with the dead lever rotates to be connected, the rotating head other end with adjust pole one end threaded connection, the blade holder bottom is provided with the fixed orifices, it upwards extends to adjust the pole other end and pass the knife bridge, extend in the fixed orifices.

As an improvement, the blade holder both sides are provided with the joint groove, the joint inslot is provided with the regulation hole, be provided with on the bridge of knives and pass the screw of regulation hole makes the blade holder can carry out lateral sliding in the regulation hole within range, the joint tank bottom towards the inboard direction of blade holder upwards slopes gradually.

Specifically, the tool apron is provided with an installation groove for installing the boring head assembly, one side of the installation groove is provided with a positioning hole, the boring head assembly comprises a boring head and a balance block, one side of the boring head and one side of the balance block are both provided with positioning columns, and the positioning holes are used for fixing the positioning columns.

As an improvement, a fixing block is arranged between the knife handle and the knife bridge, and fixing grooves for clamping the fixing block are formed in the knife handle and the knife bridge.

As an improvement, a sliding block is arranged at the bottom of the cutter holder, and a sliding groove for accommodating the sliding block is arranged on the cutter bridge.

As an improvement, a water-cooling channel is arranged in the cutter handle and communicated to the interior of the cutter bridge.

As an improvement, clamping notches are arranged on two sides of the knife handle.

Compared with the prior art, the utility model has the advantages of: the bridge type fine boring cutter improves the structure of a cutter holder, an adjusting component is arranged in a cutter bridge, the rotating of a rotating head at a fixed position is utilized to adjust the threaded connection depth of the rotating head and an adjusting rod, so that the adjusting rod is moved, the structure of the adjusting component is fragile, in order to prevent the adjusting component from being damaged due to the rotation of a machine in use, a clamping groove is arranged at the screw part connecting the cutter holder and the cutter bridge, the clamping groove is gradually raised towards the inner side, the fastening degree of the screw can be increased when the cutter holder is thrown outwards in the rotating process, the cutter holder is ensured not to be thrown to the outer side, a fixing block is also arranged at the joint of the cutter holder and the cutter bridge, the structure of the fixed joint is clamped, the integral structural stability is improved, a positioning hole is also arranged between the boring head component and the cutter holder, the boring cutter is used for fixing the boring head component, practical and reliable functions and difficult failure.

Drawings

Fig. 1 is an overall structural view of a preferred embodiment according to the present invention;

fig. 2 is a top view of a preferred embodiment according to the present invention;

fig. 3 is a cross-sectional view taken along a-a in fig. 2 according to a preferred embodiment of the present invention;

FIG. 4 is an internal structural view of a knife bridge according to a preferred embodiment of the present invention;

FIG. 5 is an overall structural view of the tool holder in accordance with a preferred embodiment of the present invention;

FIG. 6 is a bottom view of the tool holder in accordance with a preferred embodiment of the present invention;

figure 7 is an overall structural view of the boring head assembly according to a preferred embodiment of the present invention;

fig. 8 is an overall structural view of a tool shank in accordance with a preferred embodiment of the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 8, a preferred embodiment of the present invention includes a handle 1, a bridge 2, a tool post 3 and a boring head assembly 4, the bridge 2 is detachably connected to the handle 1, the tool post 3 is slidably connected to the bridge 2, an adjusting assembly 5 is disposed in the bridge 2, the adjusting assembly 5 is used for adjusting the position of the tool post 3 on the bridge 2, and the boring head assembly 4 is detachably connected to the tool post 3.

Adjusting part 5 is including adjusting pole 51, rotating head 52 and dead lever 53, be provided with in the bridge of a knife 2 and adjust passageway 21, it is provided with dead lever 53 to adjust passageway 21 mouth, rotating head 52 one end rotates with dead lever 53 to be connected, the rotating head 52 other end with adjust pole 51 one end threaded connection, blade holder 3 bottom is provided with fixed orifices 31, it upwards extends through bridge of a knife 2 to adjust the pole 51 other end, extend in fixed orifices 31, the rotation that utilizes the rotating head 52 of fixed position adjusts rotating head 52 and the degree of depth of adjusting pole 51 threaded connection, realize adjusting the removal of pole 51 position, change and the position of the blade holder 3 of adjusting the joint of pole.

3 both sides of blade holder are provided with joint groove 32, be provided with regulation hole 33 in the joint groove 32, be provided with the screw 34 that passes regulation hole 33 on the bridge of a knife 2, make blade holder 3 can carry out lateral sliding at the regulation hole 33 within range, joint groove 32 bottom surface is upwards slope gradually to 3 inboard directions of blade holder, the angle of inclination is 3 degrees, screw 34 department connecting blade holder 3 and bridge of a knife 2 has set up joint groove 32, joint groove 32 risees gradually to the inboard, make blade holder 3 can increase screw 34's fastening degree when being swung outside at rotatory in-process, ensure that blade holder 3 can not be got rid of to the outside, the rotation of machine leads to adjusting part 5 to take place to damage when preventing to use.

The tool apron 3 is provided with an installation groove 35 for installing the boring head assembly 4, one side of the installation groove 35 is provided with a positioning hole 36, the boring head assembly 4 comprises a boring head 41 and a balance block 42, one sides of the boring head 41 and the balance block 42 are both provided with positioning columns 43, and the positioning hole 36 is used for fixing the positioning columns 43, so that the stability of connection between the boring head assembly 4 and the tool apron 3 is enhanced, and the boring head assembly 4 is prevented from moving or loosening.

Be provided with fixed block 6 between handle of a knife 1 and the bridge of a knife 2, all be provided with the fixed slot 11 of joint fixed block 6 on handle of a knife 1 and the bridge of a knife 2, can strengthen the steadiness of being connected between handle of a knife 1 and the bridge of a knife 2.

The bottom of the tool apron 3 is provided with a sliding block 37, and the tool bridge 2 is provided with a sliding groove 22 for accommodating the sliding block 37, so that the stability between the tool apron 3 and the tool bridge 2 is enhanced.

Be provided with water-cooling channel 12 in the handle of a knife 1, water-cooling channel 12 communicates to inside the bridge of a knife 2 for cool off handle of a knife 1 and bridge of a knife 2, prevent the overheated damage in the boring cutter operation.

Clamping notches 13 are formed in two sides of the knife handle 1, so that the firmness of connection of the knife handle 1 and a machine is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a crane span structure formula fine boring sword which characterized in that: including handle of a knife, bridge, blade holder and boring head subassembly, bridge detachable connect in the handle of a knife, the blade holder with bridge sliding connection, be provided with the adjusting part in the bridge of a knife, the adjusting part is used for adjusting the blade holder is in position on the bridge of a knife, boring head subassembly detachable connect in the blade holder.

2. The bridge type fine boring cutter according to claim 1, wherein: the adjusting component comprises an adjusting rod, a rotating head and a fixing rod, an adjusting channel is arranged in the knife bridge, an adjusting channel opening is formed in the fixing rod, one end of the rotating head is connected with the fixing rod in a rotating mode, the other end of the rotating head is connected with one end of the adjusting rod in a threaded mode, a fixing hole is formed in the bottom of the knife holder, and the other end of the adjusting rod extends upwards through the knife bridge and extends into the fixing hole.

3. The bridge type fine boring cutter according to claim 1, wherein: the utility model discloses a cutter holder, including blade holder, blade bridge, blade holder both sides are provided with the joint groove, the joint inslot is provided with the regulation hole, be provided with on the bridge of a knife and pass the screw in regulation hole makes the blade holder can carry out lateral sliding in the regulation hole within range, the joint tank bottom towards the inboard direction of blade holder upwards slopes gradually.

4. The bridge type fine boring cutter according to claim 1, wherein: the boring head assembly comprises a boring head and a balance block, positioning columns are arranged on one sides of the boring head and the balance block, and the positioning holes are used for fixing the positioning columns.

5. The bridge type fine boring cutter according to claim 1, wherein: the utility model discloses a fixed block of knife handle, including handle of a knife, the handle of a knife with be provided with the fixed block between the bridge of a knife, the handle of a knife with all be provided with the joint on the bridge of a knife the fixed slot of fixed block.

6. The bridge type fine boring cutter according to claim 1, wherein: the tool apron bottom is provided with the sliding block, be provided with on the bridge of a knife and hold the sliding tray of sliding block.

7. The bridge type fine boring cutter according to claim 1, wherein: a water-cooling channel is arranged in the cutter handle and communicated to the interior of the cutter bridge.

8. The bridge type fine boring cutter according to claim 1, wherein: clamping notches are formed in two sides of the knife handle.