CN215718483U

CN215718483U - Positioning and guiding device for coring bit

Info

Publication number: CN215718483U
Application number: CN202121799047.0U
Authority: CN
Inventors: 陈传洪; 罗雪; 钟宣阳; 蓝家树; 李群峰; 李正德; 田怀波
Original assignee: Chongqing Honggong Engineering Machinery Co ltd
Current assignee: Chongqing Honggong Engineering Machinery Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-01
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to the technical field of coring bits, in particular to a positioning and guiding device for a coring bit, aiming at limiting the coring bit when the coring bit works and correcting the offset of the coring bit at any time; the method comprises the following steps: the sleeve body and the fastening mechanism; the sleeve body is provided with a guide hole for a core bit to pass through; the fastening mechanisms are arranged in the sleeve body in an array manner and can reciprocate along the radial direction of the guide hole until the fastening mechanisms are contacted with or separated from the coring bit.

Description

Positioning and guiding device for coring bit

Technical Field

The utility model relates to the technical field of coring bits, in particular to a positioning and guiding device for a coring bit.

Background

The core bit, also called hollow bit, is mainly used for the tool to the products such as the steel plate, etc., the hollow bit cooperates with the machine to get the core bit specially, it is efficient, with low costs characteristics, the bit cutting part of the core bit adopts the hard alloy to make, it is geometric to have three-layer end teeth, cut lightly and quickly, the steel plate bit has long performance life, the one pair of flat shank interfaces of cutting, is suitable for various drilling machines such as the etc.. The hard alloy drill bit is also suitable for various vertical drilling machines, radial drilling machines, milling machines, lathes and the like. Because the hardness of the coring object of the coring bit is relatively high, the bit is easy to deviate in the reciprocating coring process, the deviation amount of the bit cannot be corrected by the conventional metal hooping mode, and a certain amount of adjustment cannot be carried out, so that the bit is damaged due to hard friction caused by the metal hooping when the bit deviates due to over-work.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a positioning and guiding device for a coring bit, which aims to limit the coring bit when the coring bit works and correct the offset of the coring bit at any time.

According to an embodiment of the present invention, a coring bit positioning guide comprises: the sleeve body and the fastening mechanism; the sleeve body is provided with a guide hole for a core bit to pass through; the fastening mechanisms are arranged in the sleeve body in an array manner and can reciprocate along the radial direction of the guide hole until the fastening mechanisms are contacted with or separated from the coring bit.

Preferably, a sliding groove is formed in the sleeve body; the fastening mechanism is arranged in the sliding chute in a sliding manner; and an adjusting mechanism used for controlling the fastening mechanism to reciprocate along the radial direction of the guide hole is further arranged in the sliding groove.

Preferably, the fastening mechanism comprises: a main shaft, a contact member; the main shaft is inserted in the sliding groove; the contact member is disposed on the main shaft and includes at least one contact surface that contacts the coring bit.

Preferably, at least one end face of the main shaft is provided with a sliding block; the sliding block is arranged in the sliding groove in a sliding mode.

Preferably, the adjusting mechanism is a screw; the screw penetrates into the sliding chute; when the screw rod is screwed, the main shaft can be driven to reciprocate in the sliding groove, and then the fastening mechanism is driven to reciprocate.

Preferably, the contact member includes: a bearing, a flexible outer sleeve; the bearing is rotatably sleeved on the main shaft; the flexible outer sleeve is sleeved on the bearing and can rotate along with the bearing.

Preferably, the sleeve body is provided with a plurality of positioning plug-ins; at least one tip is disposed on the positioning insert.

Preferably, the sleeve body is provided with a bracket for supporting the positioning plug-in unit.

Preferably, the bottom of the sleeve body is provided with an installation plate; a plurality of mounting holes are formed in the mounting plate.

Compared with the prior art, the utility model has the following beneficial effects:

the position of the coring bit is limited by the fastening mechanisms, the fastening mechanisms are arranged on the sleeve body in an array manner, the coring bit is circumferentially limited around the guide hole, and the adjusting mechanism can adjust the distance of each fastening mechanism corresponding to the bit, so that the offset of the bit can be effectively corrected, and the bit can be effectively limited.

Drawings

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

FIG. 2 is a schematic structural diagram of another embodiment of the present invention;

FIG. 3 is a schematic structural view of a fastening mechanism according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a fastening mechanism of an embodiment of the present invention.

In the above drawings: 1. a sleeve body; 11. a guide hole; 12. a chute; 2. a fastening mechanism; 21. a main shaft; 22. a contact member; 221. a flexible outer sleeve; 222. a bearing; 3. a screw; 4. a slider; 5. positioning the plug-in; 51. a tip; 6. a support; 7. mounting a plate; 71. and (7) installing holes.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1-4: a coring bit positioning guide, comprising: the sleeve body 1 and the fastening mechanism 2; the sleeve body 1 is composed of two metal plate sheets which are arranged at intervals, and a metal block is clamped between the two metal plate sheets; the fastening mechanism 2 is arranged in a gap between the metal blocks, and the two metal plates are both provided with circular guide holes 11 for the core bit to pass through; the fastening mechanisms 2 are arranged in the sleeve body 1 in an array mode, circumferentially surround the guide holes 11, and can move back and forth along the radial direction of the guide holes 11 until the fastening mechanisms 2 are contacted with or separated from the core bit.

As shown in fig. 1 and 2: a plurality of sliding grooves 12 are formed in the sleeve body 1 along the radial direction of the guide hole 11; the fastening mechanism 2 is slidably arranged inside the chute 12 so as to be capable of contacting/separating with/from the coring bit; and an adjusting mechanism for controlling the fastening mechanism 2 to reciprocate along the radial direction of the guide hole 11 is also arranged in the sliding groove 12.

As shown in fig. 1-3: the fastening mechanism 2 includes: a main shaft 21, a contact 22; the main shaft 21 is inserted into the sliding groove 12 and clamped between the two metal sheets; the contact member 22 is disposed on the main shaft 21 and includes at least one contact surface contacting with the core bit, in this embodiment, the contact member 22 is circumferentially disposed on the main shaft 21, and the outer surface thereof is a circular surface, and the outer surface is the aforementioned contact surface.

As shown in fig. 1-3: a rectangular sliding block 4 is arranged on at least one end face of the main shaft 21, the sliding block 4 is connected with the end face of the main shaft 21 in an inserting or threaded manner, the purpose of arranging the sliding block 4 is to protect the main shaft 21, and in the embodiment, the sliding block 4 is arranged on only one end face of the main shaft 21; the sliding block 4 is slidably arranged in the sliding groove 12.

As shown in fig. 1 and 2: the adjusting mechanism is a screw rod 3; the screw rod 3 penetrates into the sleeve body 1 along the radial direction of the guide hole 11 and penetrates into the sliding chute 12 to be abutted against the side surface of the main shaft 21 and the side surface of the sliding block 4; when the screw rod 3 is screwed, the main shaft 21 can be driven to reciprocate in the chute 12, and then the fastening mechanism 2 is driven to reciprocate.

As shown in fig. 3 and 4: the contact member 22 includes: bearing 222, flexible casing 221; the bearing 222 is rotatably sleeved on the main shaft 21; the flexible outer sleeve 221 is sleeved on the bearing 222 and can rotate along with the bearing 222, and in this embodiment, the flexible outer sleeve 221 is made of rubber.

As shown in fig. 1 and 2: two positioning plug-in units 5 with cylinder structures are arranged on one metal sheet on the sleeve body 1 at intervals; the positioning insert 5 is provided with at least one point 51 for insertion positioning against a hard object.

As shown in fig. 1 and 2: the metal sheet surface that sets up location plug-in components 5 on the cover body 1 corresponds the welding and has the support 6 that is used for supporting the bar structure of location plug-in components 5 for supplementary support location plug-in components 5 prevents its skew.

As shown in fig. 1 and 2: a rectangular mounting plate 7 is arranged at the bottom of the sleeve body 1; the four corners of the mounting plate 7 are provided with a plurality of mounting holes 71, and the mounting plate 7 is used for positioning the sleeve body 1 on the drilling assembly.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. A coring bit positioning guide, comprising: the sleeve body and the fastening mechanism; the sleeve body is provided with a guide hole for a core bit to pass through; the fastening mechanisms are arranged in the sleeve body in an array manner and can reciprocate along the radial direction of the guide hole until the fastening mechanisms are contacted with or separated from the coring bit.

2. The coring bit positioning guide of claim 1, wherein the sleeve body has a chute formed therein; the fastening mechanism is arranged in the sliding chute in a sliding manner; and an adjusting mechanism used for controlling the fastening mechanism to reciprocate along the radial direction of the guide hole is further arranged in the sliding groove.

3. A coring bit positioning guide as set forth in claim 2, wherein the fastening mechanism comprises: a main shaft, a contact member; the main shaft is inserted in the sliding groove; the contact member is disposed on the main shaft and includes at least one contact surface that contacts the coring bit.

4. A coring bit positioning guide as set forth in claim 3 wherein the spindle has a slider disposed on at least one end surface thereof; the sliding block is arranged in the sliding groove in a sliding mode.

5. The coring bit positioning guide of claim 4, wherein the adjustment mechanism is a screw; the screw penetrates into the sliding chute; when the screw rod is screwed, the main shaft can be driven to reciprocate in the sliding groove, and then the fastening mechanism is driven to reciprocate.

6. A coring bit positioning guide as set forth in claim 3, wherein the contact member comprises: a bearing, a flexible outer sleeve; the bearing is rotatably sleeved on the main shaft; the flexible outer sleeve is sleeved on the bearing and can rotate along with the bearing.

7. The coring bit positioning guide of claim 1, wherein the housing body is provided with a plurality of positioning inserts; at least one tip is disposed on the positioning insert.

8. The coring bit positioning guide of claim 7, wherein the housing is provided with a support for supporting the positioning insert.

9. The positioning and guiding device for the core drill bit as claimed in claim 1, wherein the bottom of the sleeve body is provided with a mounting plate; a plurality of mounting holes are formed in the mounting plate.