CN216912126U - Cross hole deburring fork type spiral line cutter - Google Patents

Abstract

A fork-type spiral line cutter for removing burrs of a cross hole comprises a cutter handle component and a cutter head, wherein the cutter head comprises a clamping handle and a cutting part which are integrally formed, the clamping handle is detachably connected with the front end of the cutter handle component, a gap is formed in the front part of the cutting part, the gap is arranged along the axial direction of the cutting part, and a spiral protrusion is arranged on the outer wall of the front part of the cutting part; the rear end of the knife handle component is connected with the power device to drive the knife handle component and the knife head to rotate, and the cutting part rotates in the crossed hole to cut burrs. Be equipped with the clearance through the front portion with the cutting portion for the anterior diameter of cutting portion is greater than the internal diameter of crossing hole, inwards take in crossing hole and produce outside expansion force when cutting portion inserts crossing hole, the spiral arch can closely laminate with crossing hole inner wall, cutting portion rejects thoroughly with the burr in the crossing hole when handle of a knife subassembly and tool bit rotate, the burr that is cut can be better discharge under the effect in spiral arch and clearance, it is once only just can reject the burr totally, avoid doing over again, reduce the wearing and tearing of cutter.

Description

Cross hole deburring fork type spiral line cutter

Technical Field

The utility model relates to the technical field of cutters, in particular to a crossed hole deburring fork type spiral cutter.

Background

The problem of abnormal wear is often found in the use of bent axle, and the machine disassembling inspection wearing and tearing department has iron fillings impurity, and iron fillings impurity composition is similar with cylinder body bent axle material, and analysis bent axle processing technology flow discerns that iron fillings remain risk point and mainly is straight oilhole and oblique oilhole crossing position burr, generally clears away the burr through the cutter. The tool bit portion of the existing tool is cylindrical or flaky, the cutting edge is not attached to the hole wall enough, burrs are not removed thoroughly, reworking is often needed, the service life of the tool is further influenced, and the working efficiency is also influenced.

SUMMERY OF THE UTILITY MODEL

It is an object of the present application to overcome the above problems or to at least partially solve or alleviate the above problems.

The technical scheme of the utility model provides a crossed hole deburring fork-shaped spiral line cutter, which comprises: a knife handle assembly; the tool bit comprises a clamping handle and a cutting part which are integrally formed, the clamping handle is detachably connected with the front end of the tool handle component, a gap is arranged at the front part of the cutting part, the gap is arranged along the axial direction of the cutting part, and a spiral protrusion is arranged on the outer wall of the front part of the cutting part; the rear end of the cutter handle component is connected with a power device and used for driving the cutter handle component and the cutter head to rotate, so that the cutting part rotates in the crossed hole to cut burrs.

The application provides a cross hole burring fork type helix cutter, including handle of a knife subassembly and tool bit. Wherein, the tool bit includes centre gripping handle and cutting part, cutting part and centre gripping handle are integrative to be constituted, the front end detachably of centre gripping handle and handle of a knife subassembly connects, be equipped with the clearance through the front portion with the cutting part, make the anterior diameter of cutting part be greater than the internal diameter of cross hole, inwards take in cross hole and produce outside expansion force when the cutting part inserts cross hole like this, spiral protrusion at this moment can closely laminate with cross hole inner wall, cutting part is thorough with the burr rejection in the cross hole when power device drives handle of a knife subassembly and tool bit rotation, and simultaneously, the burr that is cut can be better discharge under the effect of spiral protrusion and clearance, once only just can reject the burr totally, avoid doing over, consequently, reduce the wearing and tearing of cutter, and improve work efficiency simultaneously.

In addition, the above technical solution of the present invention may further have the following additional technical features:

in the above technical solution, the tool holder assembly comprises; the tool handle comprises a threaded section, a transition section and a connecting section which are integrally formed, and a first inserting groove is formed in one end, close to the power device, of the connecting section and is used for being connected with the power device; the clamping piece is detachably connected with the threaded section, and a second inserting groove is formed in the front end of the clamping piece.

In the technical scheme, the transition section is sleeved with a support bearing.

In the technical scheme, the front end of the clamping piece is provided with the locking nut for locking the clamping handle.

In the above technical scheme, the clamping handle is inserted into the second insertion groove, and the shape of the clamping handle is matched with that of the second insertion groove.

In the above technical scheme, the outside of the connecting section is provided with at least one annular clamping groove.

In the above technical solution, the front end of the cutting portion is a tapered structure, the diameter of the front end of the tapered structure is smaller than the inner diameter of the cross hole, and the diameter of the front portion of the cutting portion is larger than the inner diameter of the cross hole.

In the above technical solution, the rear portion of the gap is an inclined surface for discharging the burr.

In the above technical solution, the diameter of the clamping handle is larger than the diameter of the cutting part.

In the above technical scheme, the power device is a machine tool or a motor.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present application will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic front view of a cross-hole deburring fork-type helical cutter according to one embodiment of the present application;

FIG. 2 is a schematic front view of a tool tip of the cross-hole deburring fork-type helical tool of FIG. 1;

FIG. 3 is a schematic perspective view of the shank of the cross-hole deburring fork-type helical cutting tool shown in FIG. 1;

FIG. 4 is a schematic perspective view of a holder of the cross-hole deburring fork-type helical cutter shown in FIG. 1;

FIG. 5 is a schematic perspective view of a lock nut of the cross-hole deburring fork-type helical cutting tool of FIG. 1;

fig. 6 is a schematic perspective view of a support bearing of the cross-hole deburring fork-type helical cutter shown in fig. 1.

The labels in the figure are:

100. a knife handle assembly; 101. a knife handle; 102. a threaded segment; 103. a transition section; 104. a connecting section; 105. a first insertion groove; 106. a clamping member; 107. a second insertion groove; 108. a support bearing; 109. an annular neck; 110. a lock nut;

200. a cutter head; 201. a clamping handle; 202. a cutting portion; 203. a gap; 204. a spiral protrusion; 205. a tapered structure; 206. an inclined surface.

Detailed Description

The present application will now be described in further detail by way of specific examples with reference to the accompanying drawings. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

Example 1:

FIG. 1 is a schematic front view of a cross-hole deburring fork-type helical cutter according to one embodiment of the present application; FIG. 2 is a schematic front view of a tool tip of the cross-hole deburring fork-type helical cutting tool of FIG. 1; as shown in FIGS. 1 and 2, in one particular embodiment, a cross-bore deburring fork-style helical cutter may generally comprise a shank assembly 100 and a cutter head 200.

In detail, the tool bit 200 comprises a clamping handle 201 and a cutting part 202 which are integrally formed, the clamping handle 201 is detachably connected with the front end of the tool shank assembly 100, a gap 203 is arranged at the front part of the cutting part 202, the gap 203 is arranged along the axial direction of the cutting part 202, and the outer wall of the front part of the cutting part 202 is provided with a spiral protrusion 204; the rear end of the tool shank assembly 100 is connected with a power device, and is used for driving the tool shank assembly 100 and the tool bit 200 to rotate, so that the cutting part 202 rotates in the crossed hole to cut burrs.

The application provides a cross hole burring fork type helix cutter, including handle of a knife subassembly 100 and tool bit 200. The tool bit 200 comprises a clamping handle 201 and a cutting part 202, the cutting part 202 and the clamping handle 201 are integrally formed, the clamping handle 201 is detachably connected with the front end of the tool holder assembly 100, a gap 203 is formed in the front part of the cutting part 202, so that the diameter of the front part of the cutting part 202 is larger than the inner diameter of a cross hole, when the cutting part 202 is inserted into the cross hole, the cutting part is retracted inwards into the cross hole and generates outward expansion force, at the moment, a spiral protrusion 204 can be tightly attached to the inner wall of the cross hole, when a power device drives the tool holder assembly 100 and the tool bit 200 to rotate, burrs in the cross hole are thoroughly removed by the cutting part 200, meanwhile, the cut burrs can be better discharged under the action of the spiral protrusion 204 and the gap 203, the burrs can be completely removed at one time, rework is avoided, the abrasion of the tool is reduced, and the working efficiency is improved.

The width of the gap 203 is 1-5 mm, so that the diameter of the front part of the cutting part 202 is enlarged and is larger than the inner diameter of the cross hole, the outer wall of the spiral protrusion 204 is tightly attached to the inner wall of the cross hole, and burrs can be better and thoroughly removed.

In the present embodiment, optionally, the diameter of the clamping handle 201 is larger than that of the cutting part 202, and the diameters of the clamping handle 201 and the second insertion groove 107 are adapted and inserted into the second insertion groove 107, so that the clamping handle 201 and the second insertion groove 107 are connected to form a detachable connection. The front part of the cutting part 202 is processed with a gap 203, the gap 203 is arranged along the axial direction of the cutting part 202, the length of the gap 203 is determined by the length of the cross hole, and the outer wall of the front part of the cutting part 202 is processed with an integrated spiral bulge 204 for removing burrs in the cross hole, because the spiral bulge 204 has a spiral gap, the removed burrs can enter the spiral gap and the gap 203 and are discharged out of the cross hole under rotation, the efficiency of removing the burrs is high, and the burrs can be completely discharged. The first insertion groove 105 at the rear end of the tool shank assembly 100 is connected with a power device, so that the tool shank assembly 100 and the tool bit 200 can be driven to rotate, and the cutting part 202 rotates in the crossed hole to cut burrs.

Specifically, the gap 203 is a long channel, and the length thereof can be set reasonably according to the use requirement.

It is understood that the outer surface of the spiral protrusion 204 is a smooth surface, and the length of the spiral protrusion 204 can be set according to the use requirement.

Alternatively, the power device is a machine tool or an electric motor.

Further, the front part of the cutting part 202 is provided with the gap 203 and the spiral protrusion 204 on the outer wall of the front part of the cutting part 202, so that the front part of the cutting part 202 forms a fork-shaped thread structure, the cutter can be freely opened and closed along with the change of the aperture, the joint of the cutting edge of the thread structure and the aperture wall is ensured, and the removal effect of the burrs of the crossed aperture is improved. Therefore, the structure improves the occurrence frequency of burrs on the lower line of the crankshaft, reduces reworking, prolongs the actual service life of the cutter, reduces the cost of the cutter, reduces the problem of abnormal abrasion of the crankshaft caused by the residual burrs, and reduces complaints after sale.

Example 2:

FIG. 1 is a schematic front view of a cross-hole deburring fork-type helical cutter according to one embodiment of the present application; FIG. 4 is a schematic perspective view of a holder of the cross-hole deburring fork-type helical cutter shown in FIG. 1; as shown in fig. 1 and 4, according to an embodiment of the present application, including the features defined in any of the embodiments above, and further and optionally, tool shank assembly 100 may generally include a tool shank 101 and a clamp 106, wherein tool shank 101 may include a threaded section 102, a transition section 103, and a connecting section 104.

In detail, the threaded section 102, the transition section 103 and the connecting section 104 are integrally formed, and a first insertion groove 105 is formed inside one end of the connecting section 104 close to the power device and used for connecting with the power device. The clamping member 106 is detachably connected to the threaded section 102, and a second insertion groove 107 is formed in the front end of the clamping member 106.

In this embodiment, optionally, the tool shank 101 is composed of a threaded section 102, a transition section 103 and a connecting section 104 which are integrally formed in sequence, and the length of the first insertion groove 105 is adapted to the insertion hole on the power device, so that the tool shank 101 and the power output shaft of the power device can be detachably connected. And the rotating speed of the tool shank 101 is consistent with the rotating speed of the power output shaft of the power device, and the rotating speed is controllable. The rear diameter of the clamping member 106 is larger than the front diameter, the rear inner wall of the clamping member 106 is provided with a thread for detachably connecting with the thread section 102, so as to facilitate disassembly and assembly, and the front end of the clamping member 106 is internally provided with a second insertion groove 107 for inserting the clamping handle 201 so as to connect the clamping handle and the clamping handle.

Optionally, the exterior of the connecting section 104 is provided with at least one ring-shaped slot 109 for engaging with a power device to improve the strength of the connection.

Alternatively, the threaded segment 102 may be integrally formed with the clamp 106 for added strength.

Example 3:

FIG. 1 is a schematic front view of a cross-hole deburring fork-type helical cutter according to one embodiment of the present application; FIG. 2 is a schematic front view of a tool tip of the cross-hole deburring fork-type helical cutting tool of FIG. 1;

FIG. 3 is a schematic perspective view of the shank of the cross-hole deburring fork-type helical cutting tool shown in FIG. 1; FIG. 5 is a schematic perspective view of a lock nut of the cross-hole deburring fork-type helical cutter of FIG. 1; FIG. 6 is a schematic perspective view of a support bearing of the cross-bore deburring fork-type helical cutter of FIG. 1; as shown in fig. 1, 2, 3, 5 and 6, according to an embodiment of the present application, the features defined in any of the above embodiments are included, and further and optionally, the support bearing 108, the lock nut 110, the tapered structure 205 and the inclined surface 206 are also included.

In detail, the transition section 103 is sleeved with a support bearing 108. A lock nut 110 is installed at the front end of the clamping member 106 for locking the clamping shank 201. The clamping handle 201 is inserted into the second insertion groove 107, and the shape of the clamping handle 201 is matched with the shape of the second insertion groove 107. The front end of the cutting part 202 is a conical structure 205, the front end diameter of the conical structure 205 is smaller than the inner diameter of the cross hole, and the front diameter of the cutting part 202 is larger than the inner diameter of the cross hole. The rear of the gap 203 is an inclined surface 206 for discharging the burr. The diameter of the clamping shank 201 is larger than the diameter of the cutting portion 202.

In this embodiment, the front end of the clamping member 106 is optionally provided with an external thread for installing a lock nut 110 on the front end of the clamping member 106 for locking the clamping handle 201 to prevent the tool bit 200 from being separated from the tool shank assembly 100. The clamping handle 201 is inserted into the second insertion groove 107 and is used for being connected with the clamping piece 106, and the shape of the clamping handle 201 is matched with that of the second insertion groove 107 and is used for being clamped in a proper mode, so that the clamping handle 201 and the clamping piece 106 rotate synchronously, and the cutting part 202 rotates along with the rotation to completely remove burrs. The front end of the cutting part 202 is a conical structure 205, the diameter of the front end of the conical structure 205 is smaller than the inner diameter of the cross hole, the conical structure 205 is firstly inserted into the cross hole, at the moment, two side gaps 203 at the front part of the cutting part 202 are extruded, and the front part of the cutting part 202 is larger than the inner diameter of the cross hole, so that the spiral protrusion 204 is attached to the inside of the cross hole, and burrs can be better removed when the cutting part 202 rotates. The rear part of the gap 203 is an inclined surface 206 for discharging the burr, and by designing the rear part of the gap 203 as the inclined surface 206, the burr can be discharged outwardly along the inclined surface 206, avoiding clogging. The diameter of the clamping shank 201 is larger than the diameter of the cutting portion 202, which facilitates the connection of the clamping shank 201 and the clamping member 106.

It is to be noted that, unless otherwise specified, technical terms or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a cross hole burring fork type helix cutter which characterized in that includes:

a shank assembly (100);

the tool bit (200) comprises a clamping handle (201) and a cutting part (202) which are integrally formed, the clamping handle (201) is detachably connected with the front end of the tool shank assembly (100), a gap (203) is arranged at the front part of the cutting part (202), the gap (203) is arranged along the axial direction of the cutting part (202), and a spiral protrusion (204) is arranged on the outer wall of the front part of the cutting part (202);

the rear end of the tool shank assembly (100) is connected with a power device and used for driving the tool shank assembly (100) and the tool bit (200) to rotate, so that the cutting part (202) rotates in the crossed hole to cut burrs.

2. The cross-hole deburring fork-type helical wire cutter as claimed in claim 1, wherein:

the tool shank assembly (100) comprises;

the tool comprises a tool handle (101), wherein the tool handle (101) comprises a threaded section (102), a transition section (103) and a connecting section (104) which are integrally formed, and a first inserting groove (105) is formed in one end, close to the power device, of the connecting section (104) and used for being connected with the power device;

the clamping piece (106) is detachably connected with the threaded section (102), and a second inserting groove (107) is formed in the front end of the clamping piece (106).

3. The cross-hole deburring fork-type helical wire cutter as claimed in claim 2, wherein:

the transition section (103) is sleeved with a support bearing (108).

4. The cross-hole deburring fork-type helical wire cutter as claimed in claim 2, wherein:

and a lock nut (110) is arranged at the front end of the clamping piece (106) and used for locking the clamping handle (201).

5. The cross-hole deburring fork-type helical wire cutter as claimed in claim 2, wherein:

the clamping handle (201) is inserted into the second insertion groove (107), and the shape of the clamping handle (201) is matched with that of the second insertion groove (107).

6. The cross-hole deburring fork-type helical wire cutter as claimed in claim 2, wherein:

at least one annular clamping groove (109) is arranged outside the connecting section (104).

7. The cross-hole deburring fork-type helical wire cutter as claimed in claim 1, wherein:

the front end of the cutting part (202) is a conical structure (205), the front end diameter of the conical structure (205) is smaller than the inner diameter of the cross hole, and the front diameter of the cutting part (202) is larger than the inner diameter of the cross hole.

8. The cross-hole deburring fork-type helical wire cutter as claimed in claim 1, wherein:

the rear of the gap (203) is an inclined surface (206) for discharging the burr.

9. The cross-hole deburring fork-type helical wire cutter as claimed in claim 1, wherein:

the diameter of the clamping shank (201) is larger than that of the cutting part (202).

10. The cross-hole deburring fork-type helical wire cutter as claimed in claim 1, wherein:

the power device is a machine tool or a motor.

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