CN114472961B - Tapered end hole expanding locator and hole expanding device with same - Google Patents
Tapered end hole expanding locator and hole expanding device with same Download PDFInfo
- Publication number
- CN114472961B CN114472961B CN202210111976.0A CN202210111976A CN114472961B CN 114472961 B CN114472961 B CN 114472961B CN 202210111976 A CN202210111976 A CN 202210111976A CN 114472961 B CN114472961 B CN 114472961B
- Authority
- CN
- China
- Prior art keywords
- tapered end
- hole
- reaming
- locator
- end hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a tapered end hole expanding locator, which comprises: the connecting body is provided with an outline which is suitable for being inserted into a tapered end hole needing reaming and is kept positioned with the tapered end hole under the action of operation thrust; the positioning hole is arranged on the connecting body and is suitable for inserting and rotationally connecting the support rod of the reaming bit; and maintaining the axis of rotation of the reamer bit parallel to the circular portion axis of the tapered end bore. The external contour of the tapered end hole expanding locator can keep the locator positioned relative to the tapered end hole, so the tapered end hole expanding locator can solve the technical problem that the hole expanding locator can solve the problem that in the prior art, the hole expanding locator is displaced or blocked in reaming due to uneven stress of the hole expanding locator caused by incomplete cutting parts.
Description
Technical Field
The invention relates to the field of remodelling processing of door lock tapered end holes, in particular to a positioner of a remodelling processing tool and a reaming device with the positioner.
Background
The hole patterns of the lock heads on the door faces in the market are processed and formed according to the dimensions of the lock heads when leaving the factory. When the lock is replaced, the appearance size of the newly replaced lock is different from that of the original lock, and when the diameter of the lock sleeve of the new lock is larger than that of the lock sleeve of the original lock, reaming operation is required to be carried out on the lock hole on the original door face. The common operation is that an installation master installs a common hole puncher tool on the market on a handheld portable electric tool to perform reaming operation. In the process of reaming, a reaming tool lacks stable and effective locating points, the locating only depends on the hand feeling and experience of a master, and a common tapered end hole consists of a round part and a connected long hole part extending radially, so that the situation that the hole digger is stressed unevenly and is displaced in reaming or the hole digger is blocked to cause accidents can occur due to incomplete cutting parts.
Chinese patent document CN202356887U discloses a positioning fixture for machining a screw drill, wherein a central rotating shaft is arranged on the axis of a cylindrical main body, and a tip is arranged at the top end of the central rotating shaft; the screw rod is arranged in the strip hole, two nuts are arranged on the screw rod and are respectively positioned on two end faces of the main body, and a rectangular flat rod is arranged at the end head of the screw rod. When the technical scheme is installed, the central rotating shaft in the clamp corresponds to the head part of the alloy reamer, the screw rod is adjusted in the strip hole along with the different diameters of the alloy reamer, the flat rod is matched with the excircle of the blade part of the alloy reamer, and the alloy reamer is locked by the screw cap. When the tool is used, the flat rod is inserted into the outer round flat of the blade part of the alloy reamer, so that the relative positioning of the circumferential direction of a workpiece in the machining process is ensured, and the machining is smoothly carried out. According to the positioning mode of the technical scheme, the problem of circumferential positioning of a workpiece is only solved, and for reaming of a round hole with an incomplete edge, the problem of displacement of a machining tool caused by incomplete cutting parts and uneven stress of a hole puncher in the machining process due to the incomplete round hole still exists.
Chinese patent document CN101105116a discloses a reamer bit structure; the reaming bit structure consists of a drill rod, a reaming blade arranged at the front part of the drill rod and a supporting rod arranged at the front end of the drill rod in front of the reaming blade. The tail part of the drill rod is provided with a spline groove connected with a driving device. In operation, the support rod provides a support point for the reamer bit, and simultaneously, the support rod also plays a role in positioning that the reamer bit is not displaced. However, in this technical scheme, the locating point of bracing piece is located on the axis of reamer bit direction of motion, and in the door lock hole reaming process, the direction of motion axis of hole digger is hollow, does not possess the condition that provides the locating point, so this technical scheme still can not solve and lead to the hole digger atress uneven and appear displacement or blocked the problem in the reaming because of cutting position is incomplete.
Disclosure of Invention
Therefore, the invention aims to solve the technical problem that the hole digger is displaced or blocked in reaming due to uneven stress of the hole digger caused by incomplete cutting part in the prior art.
In order to solve the technical problems, the invention provides a tapered end hole expanding locator, which comprises:
the connecting body is provided with an outline which is suitable for being inserted into a tapered end hole needing reaming and is kept positioned with the tapered end hole under the action of operation thrust;
the positioning hole is arranged on the connecting body and is suitable for inserting and rotationally connecting the support rod of the reaming bit; and maintaining the axis of rotation of the reamer bit parallel to the circular portion axis of the tapered end bore.
Further, the connector has a circular cylinder portion adapted to the circular portion of the tapered end hole and a clamping portion adapted to be clamped into the long hole portion of the tapered end hole portion, the clamping portion giving up a cutting space required for the reaming blade of the reamer bit.
Further, the clamping portion and the circular column portion are connected to each other at a side away from the insertion end of the support rod.
Further, the clamping portion is further provided with an attachment body extending towards the insertion end of the support rod of the circular cylinder portion, and a gap which is required by screwing in during machining of the reaming blade is reserved between the attachment body and the circular cylinder portion.
Further, a sliding structure is provided in the positioning hole to provide sliding support for the support rod of the reamer bit.
Further, the sliding structure is a bearing, the inner diameter of the bearing is matched with the diameter of the supporting rod, and the outer diameter of the bearing is matched with the diameter of the positioning hole.
Further, the number of the bearings is two, and the bearings are respectively arranged at two ends of the positioning hole.
A reaming device with a tapered end hole reaming locator, comprising:
the reaming bit consists of a drill rod, a reaming blade arranged at the front part of the drill rod and a supporting rod arranged at the front end of the drill rod in front of the reaming blade; the invention relates to a lock Kong Kuo hole locator.
Further, the reaming blade is of a cylindrical structure with tooth-shaped cutter teeth at the front end.
Compared with the prior art, the tapered end hole expanding locator can be connected to a reaming device in the prior art, and the outline of the expanding locator can enable the expanding locator to be positioned with the tapered end hole. Because the outline of the hole expanding locator can enable the hole expanding locator to be positioned with the tapered end hole, the radial stress of the hole expanding locator is uniform, so the hole expanding locator can provide uniform stress for the reamer, the problem that the reamer is displaced or blocked due to uneven stress is solved, and the reaming operation can be carried out on the tapered end of the metal door face more conveniently, rapidly and safely.
The locating hole of the tapered end hole expanding locator is arranged on the connecting body and is suitable for inserting and rotationally connecting the support rod of the reaming bit; and maintaining the axis of rotation of the reamer bit parallel to the circular portion axis of the tapered end bore. Therefore, the tapered end hole expanding locator can be conveniently installed on the existing expanding device.
The locating hole is internally provided with a sliding structure for providing sliding support for the support rod of the reaming bit, and the sliding structure can enable the support rod not to rotate together with the reaming bit.
The locating hole of the tapered end hole expanding locator is provided with the appendage which extends towards the insertion end of the supporting rod of the circular cylinder part, and the appendage has a certain length and can assist the expanding locator to continuously locate in the process of continuously pushing the working thrust into the door plate.
The two bearings are respectively arranged at two ends of the positioning hole, and can further provide support for the supporting rod, so that the axial lines of the supporting rod and the positioning hole are always kept parallel.
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.
FIG. 1 is an assembled schematic view of a reaming device with a tapered end hole reaming locator of the present invention;
FIG. 2 is a cross-sectional view of a reaming device with a tapered end hole reaming fixture of the present invention;
fig. 3 is a schematic view of a reaming device with a tapered end hole reaming locator of the present invention installed in a tapered end hole.
Reference numerals illustrate:
1-supporting rods; 2-positioning holes; 3-a circular cylinder portion; 4-a clamping part; 5-appendage; 6-reaming blades; 7-cutting space; 8-bearing; 9-drill rod.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, the tapered end hole expanding locator of the invention comprises a connector and a locating hole 2 which is arranged on the connector and is used for locating a supporting rod 1 of a reamer bit. The connector is provided with a circular cylinder part 3 which is suitable for the circular part of the tapered end hole needing reaming and a clamping part 4 which is suitable for being clamped into the long hole part of the tapered end hole, and the clamping part 4 and the circular cylinder part 3 are mutually connected at one side far away from the insertion end of the supporting rod 1. The clamping part 4 is also provided with an accessory body 5 which extends towards the insertion end of the support rod 1 of the circular cylinder part 3, and the accessory body 5 has the same length as the circular cylinder part 3 and leaves a gap between the circular cylinder part 3, which is suitable for being screwed into when a reaming blade 6 of the reaming bit is processed, and is used as a cutting space 7. A bearing 8 as a sliding structure for providing sliding support for the support rod 1 of the reamer bit is provided in the positioning hole 2. The number of the bearings 8 is two, and the bearings are respectively arranged at two ends of the positioning hole 2. The inner diameter of the bearing 8 is matched with the diameter of the supporting rod 1, and the outer diameter of the bearing 8 is matched with the diameter of the positioning hole 2. The tapered end Kong Kuo hole locator of the embodiment is arranged on a reaming device with a tapered end hole reaming locator, the reaming device is also provided with a drill rod 9, a reaming blade 6 arranged at the front part of the drill rod 9 and a reaming bit formed by a supporting rod 1 arranged at the front end of the drill rod 9 in front of the reaming blade 6. The hole enlarging positioner is arranged on the hole enlarging device, the supporting rod 1 of the hole enlarging device is arranged in the inner ring of the bearing 8 of the positioning hole 2 of the hole enlarging positioner in a penetrating mode, the circular cylinder part 3 of the connecting body of the hole enlarging positioner faces to one side of the inserting end of the supporting rod 1 and is arranged between the hole enlarging blade 6 and the outer ring of the bearing 8 sleeved on the supporting rod 1, and when the circular cylinder part 3 of the connecting body is kept motionless, the rotation of the hole enlarging blade 6 and the supporting rod 1 is not affected. The reaming blade 6 is partially disposed in a gap serving as a cutting space 7, and when the reaming blade 6 rotates along with the drill pipe 9, the cutting space 7 provides a rotating space for the reaming blade 6, so that the clamping portion 4 of the reaming device does not affect the rotation of the reaming blade 6. The reaming blade 6 has a cylindrical structure with tooth-shaped cutter teeth at the front end.
In use, referring to fig. 3, the clamping portion 4 of the connector is clamped into the long hole portion of the lock head hole, so that the circular cylinder portion 3 of the connector is clamped into the circular portion of the lock head hole, even if the axis of the positioning hole 2 is parallel to the axis of the circular portion of the lock head hole, the clamping portion 4 connected with the circular cylinder portion 3 at this time, in particular, the appendage 5 of the clamping portion abuts against the side edge of the long hole portion of the lock head hole, so that the lock head Kong Kuo hole positioner is positioned in the lock head hole and keeps the positioning stable. The support bar 1 on the reamer head is then inserted into the inner race of the bearing 8 until the serrated portion of the reamer blade 6 abuts against the door panel around the tapered end hole to be reamed. Starting a reaming device to enable the drill rod 9 and the reaming blade 6 arranged at the front part of the drill rod 9 to start rotating, applying thrust to the reaming device, and enabling the reaming blade 6 to screw into the door plate. In the process that the reaming blade 6 is screwed into the door panel, the front end of the reaming blade 6 gradually enters a gap which is required by the cutting space 7 when the accessory 5 and the circular cylinder part 3 are processed, as shown in fig. 3, the circular cylinder part 3 of the reaming positioner fixed on the reaming device is clamped with the circular part of the tapered end hole, the clamping part 4 of the reaming positioner is clamped with the strip part of the tapered end hole, so that the reaming positioner is uniformly stressed, and the reaming positioner can only move along the axis of the circular part of the tapered end hole under the action of pushing force and cannot generate displacement in the radial direction of the circular part of the tapered end hole. The outline of the hole enlarging locator can keep the hole enlarging locator and the lock head hole positioned. Since the support bar 1 of the reaming means is connected to and held in position by the bearing 8 with the reaming positioner, the support bar 1 is held parallel to the axis of the bearing 8, i.e. the axis of rotation of the reamer bit is held parallel to the axis of the part of the circular cylinder of the reaming positioner, the reaming means can be held in position in operation with respect to the tapered end bore.
In an alternative embodiment, three bearings 8 are respectively disposed at two ends of the positioning hole 2 and in the middle of the positioning hole 2.
Alternatively, a clamping portion 4 may be used which does not require the appendage 5.
In addition, during operation, the tapered end hole expanding locator is not excluded from moving in the tapered end hole to be expanded under the action of pushing force along with the screwing of the hole expanding blade 6 into the door plate.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (6)
1. A tapered end hole expanding locator is characterized in that: comprising
The connecting body is provided with an outline which is suitable for being inserted into a tapered end hole needing reaming and is kept positioned with the tapered end hole under the action of operation thrust;
a positioning hole (2) which is arranged on the connecting body and is suitable for inserting and rotationally connecting the support rod (1) of the reamer bit; and maintaining the axis of rotation of the reamer bit parallel to the circular portion axis of the tapered end bore;
the connecting body is provided with a circular cylinder part (3) which is adapted to the circular part of the tapered end hole and a clamping part (4) which is suitable for being clamped into the long hole part of the tapered end hole, and the clamping part (4) allows a cutting space (7) required by a reaming blade (6) of the reaming bit to be opened;
the clamping part (4) is connected with the circular cylinder part (3) at one side far away from the insertion end of the support rod (1), the clamping part (4) is further provided with an accessory (5) extending towards the insertion end of the support rod (1) of the circular cylinder part (3), and a gap which is suitable for screwing in when the reaming blade (6) is processed is reserved between the accessory (5) and the circular cylinder part (3).
2. The tapered end hole-enlarging locator of claim 1, wherein: a sliding structure for providing sliding support for the support rod (1) of the reamer bit is arranged in the positioning hole (2).
3. The tapered end hole-enlarging locator of claim 2, wherein: the sliding structure is a bearing (8), the inner diameter of the bearing (8) is matched with the diameter of the supporting rod (1), and the outer diameter of the bearing (8) is matched with the diameter of the positioning hole (2).
4. A tapered end hole-enlarging locator according to claim 3, wherein: the number of the bearings (8) is two, and the bearings are respectively arranged at two ends of the positioning hole (2).
5. A reaming device with tapered end hole expanding locator, its characterized in that: comprising
The reaming bit consists of a drill pipe (9), a reaming blade (6) arranged at the front part of the drill pipe (9) and a supporting rod (1) arranged at the front end of the drill pipe (9) in front of the reaming blade (6); and
a lock cylinder Kong Kuo hole locator as claimed in any one of claims 1 to 4.
6. The reaming device with tapered end hole reaming locator of claim 5, wherein: the reaming blade (6) is of a cylindrical structure with tooth-shaped cutter teeth at the front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210111976.0A CN114472961B (en) | 2022-01-29 | 2022-01-29 | Tapered end hole expanding locator and hole expanding device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210111976.0A CN114472961B (en) | 2022-01-29 | 2022-01-29 | Tapered end hole expanding locator and hole expanding device with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114472961A CN114472961A (en) | 2022-05-13 |
| CN114472961B true CN114472961B (en) | 2023-08-08 |
Family
ID=81478529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210111976.0A Active CN114472961B (en) | 2022-01-29 | 2022-01-29 | Tapered end hole expanding locator and hole expanding device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114472961B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115090923A (en) * | 2022-06-27 | 2022-09-23 | 宝武清洁能源武汉有限公司 | Hole expanding device for maintaining gas riser and using method thereof |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220513Y (en) * | 1994-08-27 | 1996-02-21 | 孙忠琦 | Special type safety spring lock and its key |
| US5848859A (en) * | 1997-01-08 | 1998-12-15 | The Boeing Company | Self normalizing drill head |
| EP1085167A2 (en) * | 1999-09-09 | 2001-03-21 | Smith International, Inc. | Polycrystaline diamond compact insert reaming tool |
| FR2826304A1 (en) * | 2001-06-26 | 2002-12-27 | Federal Mogul Chasseneuil | Reamer and method of boring a hole using this reamer |
| KR20090125368A (en) * | 2008-06-02 | 2009-12-07 | 현대중공업 주식회사 | Jig for drilling &reaming |
| CN205342027U (en) * | 2015-12-22 | 2016-06-29 | 陕西理工学院 | Be provided with centering sleeve 's metal hole digger |
| CN206509561U (en) * | 2016-12-31 | 2017-09-22 | 广东富华机械装备制造有限公司 | lock core drilling tool |
| CN206693919U (en) * | 2017-03-22 | 2017-12-01 | 阳泉新宇岩土工程有限责任公司 | Drill hole of drilling machine reaming bit |
| KR101875081B1 (en) * | 2017-09-08 | 2018-07-05 | (주)피엔티 | Apparatus for boring end portions of cylindrical filter body |
| CN212551901U (en) * | 2020-05-25 | 2021-02-19 | 浙江恩光金刚石工具有限公司 | Diamond hole digger |
| CN213224424U (en) * | 2020-08-18 | 2021-05-18 | 中直科创股份有限公司 | Diameter-variable concentric hole opener |
| CN214026453U (en) * | 2020-11-10 | 2021-08-24 | 湖北兴龙工具有限公司 | Ceramic tapping drill bit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017059372A1 (en) * | 2015-09-30 | 2017-04-06 | Pelkey Michael H | Self-adjusting pocket hole jig |
-
2022
- 2022-01-29 CN CN202210111976.0A patent/CN114472961B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2220513Y (en) * | 1994-08-27 | 1996-02-21 | 孙忠琦 | Special type safety spring lock and its key |
| US5848859A (en) * | 1997-01-08 | 1998-12-15 | The Boeing Company | Self normalizing drill head |
| EP1085167A2 (en) * | 1999-09-09 | 2001-03-21 | Smith International, Inc. | Polycrystaline diamond compact insert reaming tool |
| FR2826304A1 (en) * | 2001-06-26 | 2002-12-27 | Federal Mogul Chasseneuil | Reamer and method of boring a hole using this reamer |
| KR20090125368A (en) * | 2008-06-02 | 2009-12-07 | 현대중공업 주식회사 | Jig for drilling &reaming |
| CN205342027U (en) * | 2015-12-22 | 2016-06-29 | 陕西理工学院 | Be provided with centering sleeve 's metal hole digger |
| CN206509561U (en) * | 2016-12-31 | 2017-09-22 | 广东富华机械装备制造有限公司 | lock core drilling tool |
| CN206693919U (en) * | 2017-03-22 | 2017-12-01 | 阳泉新宇岩土工程有限责任公司 | Drill hole of drilling machine reaming bit |
| KR101875081B1 (en) * | 2017-09-08 | 2018-07-05 | (주)피엔티 | Apparatus for boring end portions of cylindrical filter body |
| CN212551901U (en) * | 2020-05-25 | 2021-02-19 | 浙江恩光金刚石工具有限公司 | Diamond hole digger |
| CN213224424U (en) * | 2020-08-18 | 2021-05-18 | 中直科创股份有限公司 | Diameter-variable concentric hole opener |
| CN214026453U (en) * | 2020-11-10 | 2021-08-24 | 湖北兴龙工具有限公司 | Ceramic tapping drill bit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114472961A (en) | 2022-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7770276B2 (en) | Device and method for sequentially cold working and reaming a hole | |
| CN114472961B (en) | Tapered end hole expanding locator and hole expanding device with same | |
| US4842451A (en) | Deburring drill bit | |
| US4838742A (en) | Method and apparatus for making an undercut drilled hole in a fixed base | |
| JPH1076409A (en) | Burr removing tool and method of removing burrs from hole situated on the opposite side of the tool | |
| JPH11129116A (en) | Reamer and its using method | |
| US3664755A (en) | Finishing boring head | |
| KR101252608B1 (en) | Tool holder for adjusting the cutting depth | |
| JPS61152309A (en) | Hole saw | |
| JP3510852B2 (en) | Polishing tool | |
| US2585038A (en) | Tool | |
| JPH1071517A (en) | Boring tool, centering jig for boring tool and boring method with boring tool | |
| CN202715904U (en) | Interior angle cutting tool of electric hand drill | |
| JP7278752B2 (en) | Deburring tool, deburring method and deburring device | |
| JPH078493B2 (en) | Machining member in the inner diameter enlarging and slicing device of the expansion anchor embedded hole | |
| KR200393893Y1 (en) | Drill | |
| JP2006130582A (en) | Angular head | |
| US5318389A (en) | Towed array hose termination preparation tool apparatus | |
| KR100500312B1 (en) | Removal method and removal device of burr | |
| CN217166794U (en) | Vertical type inside groove reamer | |
| CN219005359U (en) | Fixed tool of hardware processing drilling | |
| JP2000005906A (en) | Multi-purpose cutter and method for using the same | |
| JPH0222168Y2 (en) | ||
| CN203109311U (en) | Improved tool for removing orifice burrs | |
| JPH05162010A (en) | Drill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |