CN103350258A - Combined reamer - Google Patents
Combined reamer Download PDFInfo
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- CN103350258A CN103350258A CN2013102786762A CN201310278676A CN103350258A CN 103350258 A CN103350258 A CN 103350258A CN 2013102786762 A CN2013102786762 A CN 2013102786762A CN 201310278676 A CN201310278676 A CN 201310278676A CN 103350258 A CN103350258 A CN 103350258A
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- sleeve
- wall
- reamer
- connecting rod
- thread part
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Abstract
The invention relates to a combined reamer which comprises a connecting rod, wherein the upper end of the connecting rod is conical, the middle of the connecting rod is provided with a first external thread part and the lower end of the connecting rod is provided with an axial concave hole. Axial protrusion parts are arranged on the edge of the lower end of the connecting rod, and a threaded hole is formed in the side wall of the axial concave hole. The combined reamer further comprises a connecting sleeve connected with the connecting rod, an annular boss is arranged on the outer wall of the connecting sleeve, and a second external thread part is arranged on the outer wall of the boss. The combined reamer further comprises a sleeve connected with the connecting sleeve, and an annular flange is arranged at the lower end of the inner wall of the sleeve. The combined reamer further comprises a positioning sleeve arranged in the sleeve in a penetrating mode, an annular flange is arranged at the upper end of the outer wall of the positioning sleeve, and an axial long-strip-shaped hole is further formed in the side wall of the positioning sleeve. The combined reamer further comprises a reamer head, a pin and a fastening bolt. Notches are formed in the top of the reamer head and matched with the protrusion parts, a shaft hole is formed in the center of the reamer head, the pin is inserted into the shaft hole, and an inclined plane is arranged on the outer wall of the top of the pin. The fastening bolt sequentially penetrates through the long-strip-shaped hole and the threaded hole, and the end of the fastening bolt abuts against the inclined plane.
Description
Technical field
The invention belongs to the machining equipment technical field, relate in particular to a kind of gang reamer.
Background technology
Reamer refers to have one or more cutters tooth, is used for excising the rotary cutter of hole surface sheet metal, has the rotation finishing tool of straight sword or helical edges, is used for reaming or repaiies the hole.Existing reamer is generally independently individual, and namely each reamer all has fixing size, and processing is fixed the hole of size, specification.And generally, different workpieces has the hole of complete different size, and for the cut place in hole, also is to be of different sizes requirement according to the actual installation needs.Workpiece structure as shown in Figure 1, this workpiece is the low noise intermediate of oil pump, the end cut of the side hydraulic fluid port of its both sides namely has complicated structure and required precision: ecto-entad, being provided with successively angle is 15 ± 1 ° collar extension and 45 ± 5 ° internal orifice, and the severity control of collar extension is at 3.92mm.Certainly, the workpiece of showing in accompanying drawing 1, the workpiece with hole of other kind has said structure equally.When adopting existing reamer to add man-hour, generally can not be by the moulding of same reamer time processing, its processing sequence can be to process first internal orifice, changes afterwards reamer processing processing collar extension.This kind processing mode not only working (machining) efficiency is low, and main problem is that twice processing can not guarantee with one heart accurate usually, causes between internal orifice and the collar extension to have deviation, affects follow-up use.If the cut of every kind of size all is equipped with special-purpose reamer, not only cost is uneconomical, and the operation of repeatedly changing reamer also has a strong impact on working (machining) efficiency and effect.
Summary of the invention
The present invention provides a kind of and is convenient to change for solving the technical problem that exists in the known technology, simple operation, can the disposable gang reamer that accurately processes complicated cut geomery.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: a kind of gang reamer comprises the connecting rod that the upper end is tapered, the middle part has axial shrinkage pool with the first external thread part, lower end, edge in described connecting rod lower end is provided with axial jut, is provided with screwed hole at described axial shrinkage pool sidewall partly; Also comprise the adapter sleeve with the internal thread part that matches with described the first external thread part, be provided with the boss of annular at its outer wall, be provided with the second external thread part at the outer wall of described boss; Also comprise the sleeve that cooperates with described the second external thread part by the internal thread part that is opened in the inwall upper end, the lower end of wall is provided with the flange of annular within it; Also comprise the positioning sleeve that is arranged in described sleeve, be provided with the flange of annular in the upper end of its outer wall, the external diameter of this flange portion also is provided with axial strip hole less than the internal diameter of described sleeve on the sidewall of described positioning sleeve; Also comprise cutter head, pin and fastening bolt, the top of described cutter head is provided with the notch, the center that cooperate with described jut and is provided with axis hole, described pin is inserted in the described axis hole, the outer wall at its top is provided with the inclined-plane, described fastening bolt ecto-entad passes described strip hole and screwed hole successively, and its end holds out against in described inclined-plane.
Advantage of the present invention and good effect are: the invention provides a kind of Combined reamer, segment design becomes removable form, size according to the hole of the required processing of different workpieces is changed different cutter heads, avoid trouble that the reamer integral replacing is brought, also avoided changing the precision problem that reamer brings.By screwing out fastening bolt pin is taken off, change and reinsert pin behind the cutter head and tighten fastening bolt and namely finished whole operations of remodeling, it is very convenient to operate, and does not also affect precision.The equal fabrication design of the shape and size that cutter head is fixed a cutting tool becomes the shape and size in the hole of workpiece to be processed, can carry out disposable machine-shaping to workpiece, and working (machining) efficiency is high.
Preferably: the cross sectional shape of described jut is rectangle, and quantity is 2, along circumferentially 180 ° of distributions in interval.
Preferably: on described the first threaded portion, also be provided with locknut.
Preferably: the below of the boss of described adapter sleeve is provided with two-stage hierarchic structure, is arranged with annular pad at first order ladder, and ladder is arranged with pressure bearing in the second level.
Preferably: also comprise the Taper Pipe that is plugged on described connecting rod top.
Description of drawings
Fig. 1 is the Workpiece structure schematic diagram of gang reamer processing of the present invention;
Fig. 2 is the half sectional view of assembled state of the present invention;
Fig. 3 is explosive view of the present invention.
Among the figure: 1, Taper Pipe; 2, connecting rod; 3, the first external thread part; 4, adapter sleeve; 5, the second external thread part; 6, pad; 7, pressure bearing; 8, sleeve; 9, positioning sleeve; 10, cutter head; 11, pin; 12, fastening bolt; 13, locknut.。
The specific embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples and be described in detail as follows:
See also Fig. 2 and Fig. 3, gang reamer of the present invention comprises with lower member:
Connecting rod 2, its upper end is tapered, the middle part has axial shrinkage pool with the first external thread part 3, lower end, and the edge in connecting rod 2 lower ends is provided with axial jut, is provided with screwed hole at axial shrinkage pool sidewall partly.The tapering part of upper end is connected for inserting soon with drilling machine, is connected in order to adapt to the drilling machine of different size, diameter, also is plugged with the Taper Pipe 1 that is all conical in shape at tapering part, and this has promoted the versatility of this gang reamer.
Adapter sleeve 4 has the internal thread part that matches with the first external thread part 3, is provided with the boss of annular at its outer wall, is provided with the second external thread part 5 at the outer wall of boss.Adapter sleeve 4 is positioned at the first external thread part 3 parts of connecting rod 2, can regulate the height of adapter sleeve 4 in the vertical directions by turn.For the ease of adapter sleeve 4 is carried out turn, be processed with the plane at its outer wall, the instruments such as spanner, clamp that are applicable to operate.In the process of processing, loosening for preventing adapter sleeve 4, on the first external thread part 3, also be provided with locknut 13.
Sleeve 8 cooperates with the second external thread part 5 by the internal thread part that is opened in the inwall upper end, and the lower end of wall is provided with the flange of annular within it.
Positioning sleeve 9 is arranged in the sleeve 8, is provided with the flange of annular in the upper end of its outer wall, and the external diameter of this flange portion is less than the internal diameter of sleeve 8, and namely positioning sleeve 9 can move up and down flexibly in that sleeve 8 is interior, also is provided with axial strip hole on the sidewall of positioning sleeve 9.
Cutter head 10, its top are provided with that the notch, the center that cooperate with the jut of connecting rod 2 lower ends are provided with axis hole, outer wall is provided with blade.Wherein, notch cooperates rear blade 10 and connecting rod 2 to rotate synchronously with jut, and in this example, the cross sectional shape of jut is rectangle, and quantity is 2, along circumferentially 180 ° of distributions in interval.The shape of blade is processed to form different structures according to the difference of workpiece size, forms a series of removable cutter heads 10.
Fastening bolt 12, its ecto-entad pass strip hole on the positioning sleeve 9 and the screwed hole on the connecting rod 2 successively, and its end holds out against in the chamfered portion of pin 11, and pin can not be come off.It should be noted that fastening bolt 12 should have enough length, hold out against in the inclined-plane with satisfied its front end of working as that the nut of its outer end is not urged to the outer wall of positioning sleeve 9 yet, does not namely affect moving up and down of positioning sleeve 9.
For the ease of the relative rotation between positioning sleeve 9 and all the other devices, in this example, the below of the boss of adapter sleeve 4 is provided with two-stage hierarchic structure, be arranged with the pad 6 of annular at first order ladder, be arranged with pressure bearing 7 at second level ladder.
The course of work of this example: with reference to the workpiece in the accompanying drawing 1, in order to process the side hydraulic fluid port cut of amplifier section, this gang reamer vertically is plugged on the drilling machine, and workpiece is fixed under the reamer, the backward lower precession reamer of capturing position.Originally the lower limb that covers the positioning sleeve 9 of whole cutter head 10 and pin 11 contacts with workpiece, and when continuing to fall cutter, positioning sleeve 9 moves up, and cutter head 10 and pin 11 expose gradually, and the bottom of pin 11 falls in the default hole on the workpiece.Positioning sleeve 9 moves always until the inside of its top flange contacts with pressure bearing 7, and positioning sleeve 9 begins that the rotation relative with all the other devices arranged afterwards, and at this moment, the part that cutter head 10 exposes should be consistent with the shape of the cut that will process.When needs are regulated size, by turn adapter sleeve 4 and adopt locknut 13 lockings, can make cutter head more than 10 or less be exposed to outside the positioning sleeve 9.
Claims (5)
1. gang reamer, it is characterized in that: comprise the connecting rod (2) that the upper end is tapered, the middle part has axial shrinkage pool with the first external thread part (3), lower end, edge in described connecting rod (2) lower end is provided with axial jut, is provided with screwed hole at described axial shrinkage pool sidewall partly; Also comprise the adapter sleeve (4) with the internal thread part that matches with described the first external thread part (3), be provided with the boss of annular at its outer wall, be provided with the second external thread part (5) at the outer wall of described boss; Also comprise the sleeve (8) that cooperates with described the second external thread part (5) by the internal thread part that is opened in the inwall upper end, the lower end of wall is provided with the flange of annular within it; Also comprise the positioning sleeve (9) that is arranged in described sleeve (8), be provided with the flange of annular in the upper end of its outer wall, the external diameter of this flange portion also is provided with axial strip hole less than the internal diameter of described sleeve (8) on the sidewall of described positioning sleeve (9); Also comprise cutter head (10), pin (11) and fastening bolt (12), the top of described cutter head (10) is provided with the notch, the center that cooperate with described jut and is provided with axis hole, described pin (11) is inserted in the described axis hole, the outer wall at its top is provided with the inclined-plane, described fastening bolt (12) ecto-entad passes described strip hole and screwed hole successively, and its end holds out against in described inclined-plane.
2. according to gang reamer claimed in claim 1, it is characterized in that: the cross sectional shape of described jut is rectangle, and quantity is 2, along circumferentially 180 ° of distributions in interval.
3. according to gang reamer claimed in claim 1, it is characterized in that: on described the first threaded portion (3), also be provided with locknut (13).
4. according to gang reamer claimed in claim 1, it is characterized in that: the below of the boss of described adapter sleeve (4) is provided with two-stage hierarchic structure, is arranged with annular pad (6) at first order ladder, is arranged with pressure bearing (7) at second level ladder.
5. according to each described gang reamer of claim 1 to 4, it is characterized in that: also comprise the Taper Pipe (1) that is plugged on described connecting rod (2) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310278676.2A CN103350258B (en) | 2013-07-04 | 2013-07-04 | A kind of gang reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310278676.2A CN103350258B (en) | 2013-07-04 | 2013-07-04 | A kind of gang reamer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103350258A true CN103350258A (en) | 2013-10-16 |
| CN103350258B CN103350258B (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310278676.2A Expired - Fee Related CN103350258B (en) | 2013-07-04 | 2013-07-04 | A kind of gang reamer |
Country Status (1)
| Country | Link |
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| CN (1) | CN103350258B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB377340A (en) * | 1931-05-13 | 1932-07-28 | Henry Conrad Heide | Improvements in expansion reamers and like cutting tools |
| CN2093052U (en) * | 1991-05-16 | 1992-01-15 | 潍坊华丰机器厂 | Combined reamer |
| CN2126128U (en) * | 1992-05-07 | 1992-12-30 | 周敬祥 | Assembling type floating reamer for machie |
| DE10204957A1 (en) * | 2002-02-06 | 2003-08-14 | Juergen Dangel | Reamer for use in e.g. drilling machines or lathes, includes mechanism for retracting cutting part once reaming has finished |
| CN2640677Y (en) * | 2003-07-10 | 2004-09-15 | 衡阳市工具厂 | Reamer for internal-regulating one-step shaping valve race |
| JP2008114327A (en) * | 2006-11-02 | 2008-05-22 | Komatsu Ltd | Reaming tool, and reusing method for reaming tool |
| CN202622069U (en) * | 2012-05-29 | 2012-12-26 | 宿迁中意机械制造有限公司 | Reamer provided with locator |
| CN203448779U (en) * | 2013-07-04 | 2014-02-26 | 天津市汇晶丰精密机械有限公司 | Gang reamer |
-
2013
- 2013-07-04 CN CN201310278676.2A patent/CN103350258B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB377340A (en) * | 1931-05-13 | 1932-07-28 | Henry Conrad Heide | Improvements in expansion reamers and like cutting tools |
| CN2093052U (en) * | 1991-05-16 | 1992-01-15 | 潍坊华丰机器厂 | Combined reamer |
| CN2126128U (en) * | 1992-05-07 | 1992-12-30 | 周敬祥 | Assembling type floating reamer for machie |
| DE10204957A1 (en) * | 2002-02-06 | 2003-08-14 | Juergen Dangel | Reamer for use in e.g. drilling machines or lathes, includes mechanism for retracting cutting part once reaming has finished |
| CN2640677Y (en) * | 2003-07-10 | 2004-09-15 | 衡阳市工具厂 | Reamer for internal-regulating one-step shaping valve race |
| JP2008114327A (en) * | 2006-11-02 | 2008-05-22 | Komatsu Ltd | Reaming tool, and reusing method for reaming tool |
| CN202622069U (en) * | 2012-05-29 | 2012-12-26 | 宿迁中意机械制造有限公司 | Reamer provided with locator |
| CN203448779U (en) * | 2013-07-04 | 2014-02-26 | 天津市汇晶丰精密机械有限公司 | Gang reamer |
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| Publication number | Publication date |
|---|---|
| CN103350258B (en) | 2015-11-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20160704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |