CN109396565B

CN109396565B - Deburring cutter

Info

Publication number: CN109396565B
Application number: CN201811618697.3A
Authority: CN
Inventors: 赵连凯; 李金年; 朱志鹏
Original assignee: Shengrui Transmission Co Ltd
Current assignee: Shengrui Transmission Co Ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2021-03-02
Anticipated expiration: 2038-12-28
Also published as: CN109396565A

Abstract

The invention discloses a deburring tool, which comprises a tool bar, wherein a rotating shaft is fixedly arranged at the lower end of the tool bar, a sleeve is rotatably arranged on the rotating shaft, a rotating locking device which enables an included angle between the sleeve and the tool bar to be zero degree is arranged between the sleeve and the tool bar, a guide post is movably arranged in the sleeve, an upper spring is arranged between the sleeve and the upper end of the guide post, the lower end of the upper spring is abutted against the upper end of the guide post, a lower spring is arranged between the lower end of the sleeve and the guide post, a deburring tool is rotatably arranged at the lower end of an installation rod, and a rotation limiting mechanism is arranged between the deburring tool and the guide post; when deburring operation is carried out on a straight line, an arc surface and the like, the locking device is rotated to lock the angle between the sleeve and the cutter bar, so that the angle between the sleeve and the cutter bar is zero, the cutter bar is moved along the straight line or the arc surface, and the deburring cutter acts on the deburring position to complete deburring operation.

Description

Deburring cutter

Technical Field

The invention relates to a deburring tool.

Background

When burr on the work piece is got rid of among the prior art, adopt manual operation more, operating personnel manually carries out getting rid of burr, and operating efficiency is lower, need consume a large amount of manpowers moreover, can't carry out the burr of big work piece in batches with high efficiency and get rid of.

Disclosure of Invention

In order to make up for the defects, the invention provides the deburring cutter which can effectively improve the deburring efficiency, has various functions and is convenient to operate.

The technical scheme of the invention is as follows: a deburring cutter comprises a cutter bar, a rotating shaft is fixedly installed at the lower end of the cutter bar, a sleeve is rotatably installed on the rotating shaft, a torsional spring which enables the sleeve and the cutter bar to be ninety degrees is sleeved on the rotating shaft, a rotating locking device which enables an included angle between the sleeve and the cutter bar to be zero degree is arranged between the sleeve and the cutter bar, a guide post is movably installed in the sleeve, an upper spring is arranged between the sleeve and the upper end of the guide post, the lower end of the upper spring abuts against the upper end of the guide post, an installation rod is fixedly installed on the lower surface of the guide post and extends out of the lower end of the sleeve, a lower spring is arranged between the lower end of the sleeve and the guide post, the lower spring is sleeved outside the installation rod, the lower end of the lower spring is supported on a retaining ring at the lower end of the sleeve, and the upper end of the lower spring abuts against the lower surface of the guide post, the lower end of the mounting rod is rotatably provided with a deburring knife, and a rotation limiting mechanism is arranged between the deburring knife and the guide post.

According to a preferable technical scheme, the deburring cutter comprises a cutter handle, the cutter handle is rotatably arranged on a sliding block, a guide hole is formed in the lower end face of the mounting rod, the sliding block is movably arranged in the guide hole, a through hole communicated with the guide hole is formed in the side surface of the mounting rod, and a screw hole is formed in the side surface of the sliding block; still include the locking bolt, the locking bolt passes the through-hole closes soon in the screw hole, it includes establishes to rotate stop gear first spacing surface and the spacing surface of second on the handle of a knife, first spacing surface with the spacing surface mutually perpendicular of second, first spacing surface pastes tightly the lower terminal surface of installation pole, the length direction of slider with the axis of installation pole is parallel, works as the spacing surface of second pastes tightly the lower terminal surface of installation pole, the length direction of slider with the axis of installation pole is perpendicular, first spacing surface and the spacing surface of second with distance between the pivot of handle of a knife equals.

As a preferred technical scheme, the rotation locking device comprises a first screw hole formed in the cutter bar, a positioning through hole is formed in the sleeve, and the rotation locking device further comprises a positioning bolt which penetrates through the positioning through hole and is screwed in the first screw hole.

As an optimal technical scheme, the deburring knife is in the shape of an isosceles triangle, the bottom edge of the isosceles triangle is fixedly connected with the knife handle, and deburring knife edges are arranged on two waists of the isosceles triangle.

By adopting the technical scheme, the deburring cutter comprises a cutter bar, a rotating shaft is fixedly arranged at the lower end of the cutter bar, a sleeve is rotatably arranged on the rotating shaft, a torsional spring which enables the sleeve and the cutter bar to be ninety degrees is sleeved on the rotating shaft, a rotating locking device which enables an included angle between the sleeve and the cutter bar to be zero degree is arranged between the sleeve and the cutter bar, a guide post is movably arranged in the sleeve, an upper spring is arranged between the sleeve and the upper end of the guide post, the lower end of the upper spring is abutted against the upper end of the guide post, an installation rod is fixedly arranged on the lower surface of the guide post, the installation rod extends out from the lower end of the sleeve, a lower spring is arranged between the lower end of the sleeve and the guide post, the lower spring is sleeved outside the installation rod, and the lower end of the lower spring is supported on a stop ring at the lower end of the sleeve, the upper end of the lower spring is abutted against the lower surface of the guide post, the lower end of the mounting rod is rotatably provided with a deburring knife, and a rotary limiting mechanism is arranged between the deburring knife and the guide post; when deburring operation is carried out on a straight line, an arc surface and the like, the angle between the sleeve and the cutter bar is locked by rotating the locking device, so that the angle between the sleeve and the cutter bar is zero, the cutter bar is moved along the straight line or the arc surface, the deburring cutter acts at the deburring position, the deburring operation can be completed, when deburring operation is carried out on a circular boss, the rotating locking device is loosened, the sleeve and the cutter bar are ninety degrees under the action of a torsional spring, the deburring cutter acts on the deburring circular boss, the cutter bar is rotated, the deburring cutter rotates along with the cutter bar around the circle center of the circular boss, the deburring operation is completed, because the guide post can move in two directions relative to the sleeve between the upper spring and the lower spring, the length of the mounting rod extending out of the sleeve can be increased when deburring operation is carried out on the circular edge of the circular boss with larger diameter, thereby adapting to a circular boss with a larger radius.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a state of use reference diagram of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a tool bar in an embodiment of the invention.

Detailed Description

As shown in fig. 1, 2 and 3, a deburring tool comprises a tool bar 1, a rotating shaft 2 is fixedly installed at the lower end of the tool bar 1, a sleeve 3 is rotatably installed on the rotating shaft 2, a torsional spring which enables the sleeve 3 and the tool bar to be ninety degrees is sleeved on the rotating shaft 2, a first end of the torsional spring is fixed on the sleeve, a second end of the torsional spring is fixed on the tool bar, a rotation locking device which enables an included angle between the sleeve and the tool bar to be zero degree is arranged between the sleeve 3 and the tool bar 1, a guide post 4 is movably installed in the sleeve 3, an upper spring 5 is arranged between the sleeve 3 and the upper end of the guide post 4, the lower end of the upper spring 5 is abutted against the upper end of the guide post 4, an installation rod 17 is fixedly installed on the lower surface of the guide post, the installation rod extends out from the lower end of the sleeve, a lower spring 14 is arranged between the lower end of the sleeve 3 and the guide post, the lower spring sleeve is arranged outside the installation rod, the lower end of the lower spring is supported on the baffle ring at the lower end of the sleeve, the upper end of the lower spring is abutted to the lower surface of the guide post, the lower end of the installation rod is rotatably provided with the deburring knife 6, and a rotation limiting mechanism is arranged between the deburring knife 6 and the installation rod. The guide post is arranged between the upper spring and the lower spring, so that the guide post can move up and down relative to the sleeve, when deburring operation is carried out on a straight line, an arc surface and the like, the angle between the sleeve and the cutter bar is locked by the rotating locking device, as shown in figure 1, the angle between the sleeve and the cutter bar is zero, the cutter bar is moved along the straight line or the arc surface, the deburring cutter is enabled to act on a deburring position, the deburring operation can be completed, when deburring operation is carried out on a circular boss, the rotating locking device is released, and under the action of the torsional spring, as shown in figure 2, the sleeve and the cutter bar are ninety degrees, so that the deburring cutter acts on the deburring circular boss, the cutter bar is rotated, the deburring cutter bar rotates around the circle center of the circular boss along with the cutter bar, the deburring operation is completed, and as the guide post can move bidirectionally relative to the sleeve between the upper spring and the lower spring, therefore, when the deburring operation is carried out on the circular edge of the circular boss with the larger radius, the length of the mounting rod extending out of the sleeve can be increased, and the deburring tool is suitable for the circular boss with the larger radius.

As shown in figure 1, the deburring knife is in the shape of an isosceles triangle, the bottom edge 15 of the isosceles triangle is fixedly connected with the knife handle, and two sides 16 of the isosceles triangle are provided with deburring knife edges.

The deburring cutter comprises a cutter handle 7, the cutter handle 7 is rotatably arranged on a sliding block 8, a guide hole 9 is formed in the lower end face of the mounting rod 17, the sliding block 8 is movably arranged in the guide hole 9, a through hole communicated with the guide hole 9 is formed in the side surface of the mounting rod 17, and a screw hole is formed in the side surface of the sliding block 8; still include locking bolt 10, locking bolt 10 passes the through-hole closes soon in the screw hole, it includes establishes to rotate stop gear first spacing surface 11 and the spacing surface 12 of second on the handle of a knife, first spacing surface 11 with the spacing surface 12 mutually perpendicular of second, first spacing surface 11 pastes tightly the lower terminal surface of installing rod 17, the length direction of slider 8 with the axis of installing rod 17 is parallel, works as the spacing surface 12 of second pastes tightly the lower terminal surface of installing rod 17, the length direction of slider 8 with the axis of installing rod 17 is perpendicular, first spacing surface and the spacing surface of second with the distance between the pivot of handle of a knife equals. When loosening the rotation locking device, sleeve and cutter arbor are ninety degrees, be applicable to this moment and carry out the burring operation to the circular border of circular boss, can change the angle of deburring sword for the installation pole through rotating stop gear this moment to make the burring cutting edge can be used in on the circular border of circular boss, when adjusting, loosen the locking bolt, the slider can be taken out from the guiding hole this moment, and first spacing face no longer laminates this moment the lower terminal surface of installation pole, the handle of a knife can rotate for the installation pole, as shown in fig. 2, then make the laminating of second spacing face on the lower terminal surface of installation pole, lock the locking bolt simultaneously, alright accomplish the angle modulation of deburring sword.

The rotation locking device comprises a first screw hole 13 formed in the cutter bar, a positioning through hole 18 is formed in the sleeve 3, and the rotation locking device further comprises a positioning bolt 19 which penetrates through the positioning through hole to be screwed in the first screw hole 13.

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 embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A deburring cutter is characterized by comprising a cutter bar, a rotating shaft is fixedly mounted at the lower end of the cutter bar, a sleeve is rotatably mounted on the rotating shaft, a torsional spring which enables the sleeve and the cutter bar to be ninety degrees is sleeved on the rotating shaft, a rotating locking device which enables an included angle between the sleeve and the cutter bar to be zero degree is arranged between the sleeve and the cutter bar, a guide post is movably mounted in the sleeve, an upper spring is arranged between the sleeve and the upper end of the guide post, the lower end of the upper spring abuts against the upper end of the guide post, a mounting rod is fixedly mounted on the lower surface of the guide post, the mounting rod extends out from the lower end of the sleeve, a lower spring is arranged between the lower end of the sleeve and the guide post, the lower spring is sleeved outside the mounting rod, and the lower end of the lower spring is supported on a retaining ring at the lower end of the sleeve, the upper end of the lower spring is abutted against the lower surface of the guide post, the lower end of the mounting rod is rotatably provided with a deburring knife, and a rotary limiting mechanism is arranged between the deburring knife and the guide post; the deburring cutter comprises a cutter handle, the cutter handle is rotatably arranged on a sliding block, the lower end face of the mounting rod is provided with a guide hole, the sliding block is movably arranged in the guide hole, a through hole communicated with the guide hole is formed in the side surface of the mounting rod, and a screw hole is formed in the side surface of the sliding block; still include the locking bolt, the locking bolt passes the through-hole closes soon in the screw hole, it includes establishes to rotate stop gear first spacing surface and the spacing surface of second on the handle of a knife, first spacing surface with the spacing surface mutually perpendicular of second, first spacing surface pastes tightly the lower terminal surface of installation pole, the length direction of slider with the axis of installation pole is parallel, works as the spacing surface of second pastes tightly the lower terminal surface of installation pole, the length direction of slider with the axis of installation pole is perpendicular, first spacing surface and the spacing surface of second with distance between the pivot of handle of a knife equals.

2. A deburring tool as claimed in claim 1 wherein said rotational locking means comprises a first threaded bore provided in said shank, said sleeve being provided with a locating through bore, said rotational locking means further comprising a locating bolt threaded through said locating through bore in said first threaded bore.

3. A deburring tool as claimed in claim 2 wherein said deburring tool is in the form of an isosceles triangle having its base fixedly connected to said handle and having deburring edges at the two waists of said isosceles triangle.