CN202639532U - Assembly type adjustable reamer - Google Patents
Assembly type adjustable reamer Download PDFInfo
- Publication number
- CN202639532U CN202639532U CN 201220342158 CN201220342158U CN202639532U CN 202639532 U CN202639532 U CN 202639532U CN 201220342158 CN201220342158 CN 201220342158 CN 201220342158 U CN201220342158 U CN 201220342158U CN 202639532 U CN202639532 U CN 202639532U
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- China
- Prior art keywords
- reamer
- reamer head
- head
- cylindrical
- knife
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- 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.)
- Expired - Lifetime
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- 238000004519 manufacturing process Methods 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model relates to a reamer, and provides an assembly type adjustable reamer which aims to solve the problems that a reamer pole and a reamer head of an existing reamer is in a one-piece structure, when the existing reamer is in use, reaming allowance is not large, a cutting tool is discarded as useless due to abrasion, and the cutting tool is short in service life and high in cost. A reamer head is formed by means of integral manufacturing of a cylindrical end socket and a cylindrical reamer handle, a reamer pole is formed by means of integral manufacturing of a cylindrical reamer pole and a conical reamer handle, and the cylindrical reamer handle of the reamer head is mounted in an inner hole of the reamer pole. A plurality of carbide blades are distributed and fixedly connected on an outer circumferential face of the cylindrical end socket of the reamer head along the peripheral direction of the cylindrical end socket, and a conical bore and a threaded connection hole are mutually communicated and machined at the center of a front end surface of the reamer head. An outer circular surface of a screw head of an adjusting screw is an outer circular conical surface which is matched with the screw hole, the outer circular conical surface of the adjusting screw is matched with a screw hole of the reamer head, the adjusting screw is connected with the threaded connection hole of the reamer head in a threaded mode, and the reamer head is fixedly connected with the reamer pole through two clamping screws. The assembly type adjustable reamer is suitable for machining of pin holes.
Description
Technical field
The utility model relates to a kind of reamer.
Background technology
Reamer is processing vapor turbine casing split is connected pin-and-hole with vertical plane dedicated tool, and annual use amount is very large.Knife bar and the reamer head of the existing reamer of cause are the integral type structure, and during use, because ream surplus little (surplus is 0.2-0.3mm), cutter is generally wearing and tearing and scraps, and cutting-tool's used life is short, cost of use is high.
The utility model content
The purpose of this utility model is a kind of assembled expansion reamer, and take the knife bar that solves existing reamer and reamer head as the integral type structure, during use, because the ream surplus is little, cutter is generally to wear and tear scraps the problem that cutting-tool's used life is short, cost of use is high.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be:
A kind of assembled expansion reamer, it comprises knife bar, the reamer head, adjustment screw, two pinching screws and a plurality of carbide chip, the reamer head is comprised of the cylindrical termination of all-in-one-piece processed and cylindrical knife shank, knife bar is comprised of all-in-one-piece cylinder shape knife rod processed and the conical handle of a knife that matches with tapered bore of machine tool spindle, the center of cylindrical knife rod end surface is provided with the endoporus that matches with the cylindrical knife shank of reamer head, the cylindrical knife shank of reamer head is installed in the endoporus of knife bar, be connected with a plurality of carbide chips along its circumferencial direction is uniform on the outer circumference surface of the cylindrical termination of reamer head, carbide chip is provided with blade, the center of reamer head front end face is processed with conical bore and the threaded connection hole that communicates from front to back, the aperture, outer end of conical bore is greater than inner aperture, the outer conical surface of the periphery of the head of screw of adjustment screw for matching with described conical bore, the outer conical surface of adjustment screw matches with the conical bore of reamer head, adjustment screw is threaded with the threaded connection hole of reamer head, and the reamer head is affixed by two pinching screws and knife bar.
The utlity model has following beneficial effect is: 1. the utility model is owing to adopt the adjustable structure pattern, after reamer wears up to dimension limit, the fine setting adjustment screw, the reamer head is swollen to required size outward, greatly improved cutter life, compare with cutter with former, improve 2～3 times service life.2. the utility model employing machine folder reamer head assembles pattern, and in the time can't re-using after the wearing and tearing of reamer head cutting edge, the reamer head that only need more renew gets final product, and has avoided former situation of scrapping with cutter integral body, has effectively saved this cutter cost of use.
Description of drawings
Fig. 1 is main TV structure schematic diagram of the present utility model; Fig. 2 is the A-A cutaway view of Fig. 1; Fig. 3 is the front view of knife bar; Fig. 4 is the B-B cutaway view of Fig. 3; Fig. 5 is the front view of reamer head; Fig. 6 is the C-C cutaway view of Fig. 5; Fig. 7 is the left view of Fig. 5; Fig. 8 is the front view of adjustment screw; Fig. 9 is the left view of Fig. 8.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1-Fig. 9 explanation, a kind of assembled expansion reamer of present embodiment, it comprises knife bar 1, reamer head 2, adjustment screw 3, two pinching screws 4 and a plurality of carbide chip 5, reamer head 2 is comprised of the cylindrical termination 2-1 of all-in-one-piece processed and cylindrical knife shank 2-2, knife bar 1 is comprised of (by conical handle of a knife 1-2 location all-in-one-piece cylinder shape knife rod 1-1 processed and the conical handle of a knife 1-2 that matches with tapered bore of machine tool spindle, knife bar 1 is installed in the taper hole of machine tool chief axis), the center of cylinder shape knife rod 1-1 end face is provided with the endoporus 1-3 that matches with the cylindrical knife shank 2-2 of reamer head 2, the cylindrical knife shank 2-2 of reamer head 2 is installed in the endoporus 1-3 of knife bar 1, the outer circumference surface 2-1-1 of the cylindrical termination 2-1 of reamer head 2 is upper to have a plurality of carbide chips 5 along its circumferencial direction uniform affixed (welding), carbide chip 5 is provided with blade, the center of reamer head 2 front end faces is processed with conical bore 2-3 and the threaded connection hole 2-4 that communicates from front to back, the aperture, outer end of conical bore 2-3 is greater than inner aperture, the outer conical surface 3-1 of the periphery of the head of screw of adjustment screw 3 for matching with described conical bore 2-3, the outer conical surface 3-1 of adjustment screw 3 matches with the conical bore 2-3 of reamer head 2, adjustment screw 3 is threaded with the threaded connection hole 2-4 of reamer head 2 on (by screw thread with adjustment screw 3 tightly on reamer head 2), and reamer head 2 is affixed by two pinching screws 4 and knife bar 1.
The specific embodiment two: in conjunction with Fig. 1-Fig. 4 explanation, the conical handle of a knife 1-2 of present embodiment is No. 6 taper shanks of Mohs, parallelly on the sidewall corresponding with endoporus 1-3 on the knife bar 1 be provided with two oblique screwed hole 1-4, tiltedly the outer end of screwed hole 1-4 is obliquely installed to the front end of knife bar 1, tiltedly the angle between screwed hole 1-4 and the horizontal plane is α, α is 82 ° ~ 84 °, and adjustment screw 3 is threaded with oblique screwed hole 1-4, and knife bar 1 is affixed by adjustment screw 3 with reamer head 2.Undocumented technical characterictic is identical with the specific embodiment one in the present embodiment.
The specific embodiment three: in conjunction with Fig. 5-Fig. 7 explanation, the lateral surface of the cylindrical knife shank 2-2 of the reamer head 2 of present embodiment is processed with two stairstepping inclined-plane 2-5, two stairstepping inclined-plane 2-5 be arranged in parallel, the downward-sloping setting of an end that stairstepping inclined-plane 2-5 is adjacent with cylindrical termination 2-1, angle between stairstepping inclined-plane 2-5 and the horizontal plane is β, and β is 6 °.Undocumented technical characterictic is identical with the specific embodiment one or two in the present embodiment.
The specific embodiment four: in conjunction with Fig. 5 and Fig. 6 explanation, the cone angle of the conical bore 2-3 of present embodiment reamer head 2 is δ, and δ is 6 °, and the cutting angle of reamer head 2 is K, and K is 15 °.Undocumented technical characterictic is identical with the specific embodiment two in the present embodiment.
The specific embodiment five: in conjunction with Fig. 5-Fig. 7 explanation, the anterior angle of the reamer head 2 of present embodiment is γ, and γ is 0 °～4 °; The circumferential teeth relief angle of reamer head 2 is α 1, and α 1 is 8 °; The cutting cone relief angle of reamer head 2 is α 2, and α 2 is 8 °.Undocumented technical characterictic is identical with the specific embodiment one or four in the present embodiment.
The specific embodiment six: in conjunction with Fig. 5 explanation, the outer circumference surface 2-1-1 of the cylindrical termination 2-1 of the reamer head 2 of present embodiment is upper to be welded with a plurality of carbide chips 5 along its circumferencial direction is uniform.Undocumented technical characterictic is identical with the specific embodiment one in the present embodiment.
Claims (6)
1. assembled expansion reamer, it comprises knife bar (1), reamer head (2), adjustment screw (3), two pinching screws (4) and a plurality of carbide chip (5), it is characterized in that: reamer head (2) is comprised of the cylindrical termination of all-in-one-piece processed (2-1) and cylindrical knife shank (2-2), knife bar (1) is comprised of all-in-one-piece cylinder shape knife rod processed (1-1) and the conical handle of a knife (1-2) that matches with tapered bore of machine tool spindle, the center of cylinder shape knife rod (1-1) end face is provided with the endoporus (1-3) that matches with the cylindrical knife shank (2-2) of reamer head (2), the cylindrical knife shank (2-2) of reamer head (2) is installed in the endoporus (1-3) of knife bar (1), the outer circumference surface (2-1-1) of the cylindrical termination (2-1) of reamer head (2) is upper along the uniform a plurality of carbide chips (5) that are connected with of its circumferencial direction, carbide chip (5) is provided with blade, the center of reamer head (2) front end face is processed with conical bore (2-3) and the threaded connection hole (2-4) that communicates from front to back, the aperture, outer end of conical bore (2-3) is greater than inner aperture, the outer conical surface (3-1) of the periphery of the head of screw of adjustment screw (3) for matching with described conical bore (2-3), the outer conical surface (3-1) of adjustment screw (3) matches with the conical bore (2-3) of reamer head (2), adjustment screw (3) is threaded with the threaded connection hole (2-4) of reamer head (2), and reamer head (2) is affixed by two pinching screws (4) and knife bar (1).
2. described a kind of assembled expansion reamer according to claim 1, it is characterized in that: conical handle of a knife (1-2) is No. 6 taper shanks of Mohs, parallel two the oblique screwed holes (1-4) that are provided with on the upper sidewall corresponding with endoporus (1-3) of knife bar (1), tiltedly the outer end of screwed hole (1-4) is obliquely installed to the front end of knife bar (1), tiltedly the angle between screwed hole (1-4) and the horizontal plane is α, α is 82 ° ~ 84 °, adjustment screw (3) is threaded with oblique screwed hole (1-4), and knife bar (1) is affixed by adjustment screw (3) with reamer head (2).
3. described a kind of assembled expansion reamer according to claim 1 and 2, it is characterized in that: the lateral surface of the cylindrical knife shank (2-2) of reamer head (2) is processed with two stairstepping inclined-planes (2-5), two stairstepping inclined-planes (2-5) be arranged in parallel, the downward-sloping setting of an end that stairstepping inclined-plane (2-5) is adjacent with cylindrical termination (2-1), angle between stairstepping inclined-plane (2-5) and the horizontal plane is β, and β is 6 °.
4. described a kind of assembled expansion reamer according to claim 2, it is characterized in that: the cone angle of the conical bore (2-3) of reamer head (2) is δ, and δ is 6 °, and the cutting angle of reamer head (2) is K, and K is 15 °.
5. according to claim 1 or 4 described a kind of assembled expansion reamers, it is characterized in that: the anterior angle of reamer head (2) is γ, and γ is 0 °～4 °; The circumferential teeth relief angle of reamer head (2) is α 1, and α 1 is 8 °; The cutting cone relief angle of reamer head (2) is α 2, and α 2 is 8 °.
6. described a kind of assembled expansion reamer according to claim 1, it is characterized in that: the outer circumference surface (2-1-1) of the cylindrical termination (2-1) of reamer head (2) is upper along the uniform a plurality of carbide chips (5) that are welded with of its circumferencial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342158 CN202639532U (en) | 2012-07-16 | 2012-07-16 | Assembly type adjustable reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220342158 CN202639532U (en) | 2012-07-16 | 2012-07-16 | Assembly type adjustable reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202639532U true CN202639532U (en) | 2013-01-02 |
Family
ID=47408709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220342158 Expired - Lifetime CN202639532U (en) | 2012-07-16 | 2012-07-16 | Assembly type adjustable reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202639532U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458404A (en) * | 2015-12-08 | 2016-04-06 | 太仓瑞鼎精密机械科技有限公司 | Rapid replacing adjustable welding reamer |
| CN112846399A (en) * | 2020-12-24 | 2021-05-28 | 途研(苏州)精密机械科技有限公司 | Replaceable welding lug reamer capable of reducing production cost |
| CN113547172A (en) * | 2021-08-27 | 2021-10-26 | 中宸一璟(上海)精密工具有限公司 | A high-precision double-end cutting combined reamer |
-
2012
- 2012-07-16 CN CN 201220342158 patent/CN202639532U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105458404A (en) * | 2015-12-08 | 2016-04-06 | 太仓瑞鼎精密机械科技有限公司 | Rapid replacing adjustable welding reamer |
| CN112846399A (en) * | 2020-12-24 | 2021-05-28 | 途研(苏州)精密机械科技有限公司 | Replaceable welding lug reamer capable of reducing production cost |
| CN113547172A (en) * | 2021-08-27 | 2021-10-26 | 中宸一璟(上海)精密工具有限公司 | A high-precision double-end cutting combined reamer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |