CN210937443U

CN210937443U - Composite reamer

Info

Publication number: CN210937443U
Application number: CN201921946513.6U
Authority: CN
Inventors: 张先桂
Original assignee: Suzhou Tianyin Tengda Mechanical And Electrical Engineering Co ltd
Current assignee: Suzhou Tianyin Tengda Mechanical And Electrical Engineering Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-07
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a compound reamer, including first drilling rod and second drilling rod, the material of first drilling rod and second drilling rod is the same, the lower extreme of first drilling rod and second drilling rod all is equipped with hinge spare, the lower extreme of first drilling rod and the upper end threaded connection of second drilling rod, be equipped with the measuring part on the hinge spare. The utility model discloses an in inserting the circular slot of locating on the second drilling rod with the screw thread hinge on the first drilling rod for the internal thread threaded connection on second external screw thread on the first drilling rod and the circular slot, different reamers are changed to the needs of convenient according to actual drilling shape, promote the efficiency of hank cutting, through the scale mark in the arc wall on the sharp hinge, the actual degree of depth of being convenient for audio-visual measurement straight line hank cutting.

Description

Composite reamer

Technical Field

The utility model relates to a reamer technical field especially relates to a compound reamer.

Background

The reamer is a spiral blade such as a drill bit, is a rotary finishing tool with a straight edge or a spiral edge, is used for reaming or hole repairing operations, can obtain accurate size and shape of a hole machined by the reamer, is used for reaming the drilled hole on a workpiece, mainly aims at improving the machining precision of the hole and reducing the roughness of the surface of the hole, and is a tool for finishing and semi-finishing the hole.

When the existing reamer is used, different reamers are not convenient to replace according to the needs of the actual drilling shape, the reaming efficiency is reduced, the actual depth of straight line reaming is not convenient to observe, and the composite reamer is provided at present to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a compound reamer for solve current reamer among the background art when in-service use, need change different reamer according to the drilling shape difference, reduced the efficiency that the hank was cut, and be not convenient for observe the technical problem of the actual degree of depth that the hank was cut.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a composite reamer, includes first drilling rod and second drilling rod, the material of first drilling rod and second drilling rod is the same, the lower extreme of first drilling rod and second drilling rod all is equipped with the hinge spare, the lower extreme of first drilling rod and the upper end threaded connection of second drilling rod, be equipped with the measuring part on the hinge spare.

Preferably, the hinge head piece comprises a threaded hinge head fixedly connected to the lower end of the first drill rod and a linear hinge head fixedly connected to the lower end of the second drill rod, respectively, and the measuring piece is arranged on the linear hinge head.

Preferably, a fixing rod is arranged at the upper end of the first drill rod, a first external thread is arranged on the annular side wall of the fixing rod, a second external thread is arranged on the annular side wall of the first drill rod, which is close to the lower end of the first drill rod, and the second external thread is in threaded connection with the upper end of the second drill rod.

Preferably, the threaded hinge head and the linear hinge head are the same in length, the threaded hinge head and the fixing rod are integrally arranged with the first drill rod, and the linear hinge head and the second drill rod are integrally arranged.

Preferably, a circular slot is formed in the upper end of the second drill rod, internal threads are formed in the annular inner wall, close to the upper end, of the circular slot, the lower ends of the first drill rod and the threaded hinge head are inserted into the circular slot, and the second external threads are in threaded connection with the internal threads.

Preferably, the measuring part comprises an arc-shaped groove arranged on the annular side wall of the linear hinged head, and scale marks are arranged on the arc-shaped inner wall of the arc-shaped groove.

Compared with the prior art, the utility model, its beneficial effect does:

1. through inserting the threaded hinge head on the first drilling rod in locating the circular slot on the second drilling rod for the second external screw thread on the first drilling rod is connected with the internal thread threaded connection on the circular slot, and the different reamers are conveniently changed according to the needs of actual drilling shape, promote the efficiency of hank cutting.

2. The actual depth of the straight line reaming is convenient to measure visually through the scale marks in the arc-shaped groove on the straight line reaming head.

Drawings

Fig. 1 is a schematic cross-sectional view of a compound reamer according to the present invention;

fig. 2 is a schematic structural view of a first drill rod of the compound reamer provided by the present invention;

fig. 3 is a schematic cross-sectional view of a second drill rod of a compound reamer according to the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the figure: the measuring tool comprises a first drill rod 1, a second drill rod 2, a hinge part 3, a measuring part 4, a threaded hinge part 5, a linear hinge part 6, a fixing rod 7, a first external thread 8, a second external thread 9, a circular slot 10, an internal thread 11, an arc-shaped groove 12 and a scale mark 13.

Detailed Description

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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.

Referring to fig. 1-4, a composite reamer comprises a first drill rod 1 and a second drill rod 2, wherein the first drill rod 1 and the second drill rod 2 are made of the same material, the lower ends of the first drill rod 1 and the second drill rod 2 are respectively provided with a hinge part 3, the hinge parts 3 comprise a threaded hinge 5 and a linear hinge 6, the threaded hinge 5 and the linear hinge 6 are respectively and fixedly connected to the lower end of the first drill rod 1 and the lower end of the second drill rod 2, the threaded hinge 5 and the linear hinge 6 are respectively used for linear and spiral reaming, and a measuring part 4 is arranged on the linear hinge 6.

The upper end of first drilling rod 1 is equipped with dead lever 7, be equipped with first external screw thread 8 on the annular lateral wall of dead lever 7, first external screw thread 8 is used for with the threaded hole (not shown in the figure) threaded connection on the external drive device, be equipped with second external screw thread 9 on the annular lateral wall that first drilling rod 1 is close to the lower extreme, the upper end threaded connection of second external screw thread 9 and second drilling rod 2, the length of thread hinge 5 is the same with sharp hinge 6, thread hinge 5 and dead lever 7 all are the integration setting with first drilling rod 1, sharp hinge 6 is the integration setting with second drilling rod 2, thread hinge 5 and dead lever 7 with first drilling rod 1 integration setting, and the sharp hinge 6 with second drilling rod 2 integration setting, be convenient for carry out moulding processing.

The lower extreme of first drilling rod 1 and the upper end threaded connection of second drilling rod 2, the upper end of second drilling rod 2 is equipped with circular slot 10, circular slot 10 is equipped with internal thread 11 on being close to the annular inner wall of upper end, the lower extreme of first drilling rod 1 and screw-thread hinge 5 is inserted and is located in circular slot 10, second external screw thread 9 and internal thread 11 threaded connection, be convenient for shrink screw-thread hinge 5 to circular slot 10 in, the different reamers of convenient change according to the needs of actual drilling shape, promote the efficiency of hank cutting, be equipped with measuring part 4 on the hinge part 3, measuring part 4 is including setting up arc wall 12 on the annular lateral wall of sharp hinge 6, be equipped with scale mark 13 on the arc inner wall of arc wall 12, scale mark 13 is convenient for the audio-visual actual degree of depth of measuring.

When the utility model is used, the first external thread 8 on the first drill rod 1 is manually connected with the thread hole (not shown in the figure) on the external driving device by screw thread, when the straight-line reaming head 6 is needed to be used for reaming and cutting, the driving device drives the straight-line reaming head 6 to be separated from the workpiece by the scale mark 13 in the arc-shaped groove 12 on the straight-line reaming head 6, so as to measure the actual depth of the straight-line reaming and cutting, when the thread reaming head 5 is needed to be used for reaming and cutting, only the second drill rod 2 is needed to be twisted, so that the second external thread 9 on the first drill rod 1 is separated from the internal thread 11 in the circular slot 10 on the second drill rod 2, when the straight-line reaming head 6 is needed to be reused, only the circular slot 10 on the second drill rod 2 needs to be inserted on the first drill rod 1 again, so that the second external thread 9 is connected with the internal thread 11 by screw thread, the reamer can be conveniently replaced, the efficiency of hank is cut is promoted.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a compound reamer, includes first drilling rod (1) and second drilling rod (2), the material of first drilling rod (1) and second drilling rod (2) is the same, its characterized in that, the lower extreme of first drilling rod (1) and second drilling rod (2) all is equipped with hinge spare (3), the lower extreme of first drilling rod (1) and the upper end threaded connection of second drilling rod (2), be equipped with on hinge spare (3) and measure piece (4).

2. A compound reamer according to claim 1, characterised in that the said hinge member (3) comprises a threaded hinge head (5) fixedly connected to the lower end of the first drill rod (1) and a linear hinge head (6) fixedly connected to the lower end of the second drill rod (2), respectively, the said measuring member (4) being arranged on the linear hinge head (6).

3. The compound reamer as claimed in claim 2, characterized in that the upper end of the first drill rod (1) is provided with a fixing rod (7), the annular side wall of the fixing rod (7) is provided with a first external thread (8), the annular side wall of the first drill rod (1) near the lower end is provided with a second external thread (9), and the second external thread (9) is in threaded connection with the upper end of the second drill rod (2).

4. A compound reamer according to claim 3, characterised in that the threaded head (5) and the linear head (6) are of the same length, the threaded head (5) and the fixing rod (7) being integral with the first drill rod (1), the linear head (6) being integral with the second drill rod (2).

5. The compound reamer as claimed in claim 3, wherein the second drill rod (2) is provided at its upper end with a circular slot (10), the circular slot (10) is provided at its inner annular wall near the upper end with internal threads (11), the first drill rod (1) and the threaded reamer head (5) are inserted at their lower ends into the circular slot (10), and the second external threads (9) are in threaded connection with the internal threads (11).

6. The compound reamer according to claim 2, characterized in that the measuring member (4) comprises an arc-shaped groove (12) provided on the annular side wall of the linear reamer head (6), the arc-shaped inner wall of the arc-shaped groove (12) being provided with scale marks (13).