CN112317862A - Small-bore rifling groove broaching device - Google Patents
Small-bore rifling groove broaching device Download PDFInfo
- Publication number
- CN112317862A CN112317862A CN202011246288.2A CN202011246288A CN112317862A CN 112317862 A CN112317862 A CN 112317862A CN 202011246288 A CN202011246288 A CN 202011246288A CN 112317862 A CN112317862 A CN 112317862A
- Authority
- CN
- China
- Prior art keywords
- wedge
- cutter
- groove
- cutter body
- screw
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D41/00—Broaching machines or broaching devices characterised only by constructional features of particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D39/00—Accessories for broaching machines or broaching devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to a small-bore rifling grooving device, belonging to the technical field of mechanical engineering; comprises a cutter body (1), a slot-drawing cutter (2), an oblique iron (3) and a screw (4); the screw rod is in threaded connection with the cutter body from the end part and is locked through a locking nut (6), the wedge iron is inserted into the wedge-shaped groove of the cutter body, an adjusting nut (5) is placed in the middle of a support lug of the wedge-shaped groove and then is sleeved on the screw rod, the axial feeding amount of the wedge iron in the cutter body is adjusted through the adjusting nut, the slot-drawing cutter (2) is placed on the wedge iron in the groove of the cutter body and is hinged to the cutter body through a pin (7), the height of the slot-drawing cutter is determined through the adjustment of the axial position of the wedge iron and then is locked through a set screw. Compared with the prior art, the groove broaching machine adopts the spiral transmission fine adjustment structure to drive the wedge block, and realizes the adjustment of the feed amount of the groove broaching tool through the inclined plane, thereby solving the problem of groove broaching of small-caliber rifling.
Description
Technical Field
The invention relates to a groove broaching device, in particular to a small-bore rifling groove broaching device, and belongs to the technical field of mechanical engineering.
Background
The existing cutting equipment is difficult to realize the cutting processing of the small-bore rifling broached groove with the diameter within 15mm because the structural volume of the broached groove device is larger.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and solve the problem of cutting processing of a small-caliber rifling groove, and provides a small-caliber rifling groove pulling device which is applied to the existing cutting equipment and used for realizing cutting processing in a small caliber.
The purpose of the invention is realized by the following technical scheme.
A small bore rifling channeling apparatus, comprising: the cutter body, the broaching tool, the wedge and the screw rod;
the cutter body is used for providing mounting positions for the slotting cutter, the wedge and the screw and is of a cylindrical structure, a groove is formed in the middle of the cutter body and used for placing the slotting cutter, and a hole is formed in the side face of the groove and used for being hinged with the slotting cutter through a pin to provide a rotating shaft of the slotting cutter; a wedge-shaped groove is axially formed to provide the inclined iron mounting position; a threaded hole is formed in the end part of the cutter body on the side edge of the wedge-shaped groove and used for mounting the screw rod;
the broaching tool is used for cutting a broaching groove on a part to be processed; the groove-drawing cutter is of a T-like structure, a threaded hole is formed in the tail of the groove-drawing cutter and used for fixing through a set screw, a bulge is arranged on the other side of the cutter head, a shaft hole is formed in the cutter body and used for being hinged with a side hole in the cutter body through a pin, the height of the cutter head extending out of the cutter body can be adjusted by taking the pin as a shaft and the bulge as a fulcrum, and therefore cutting machining of grooves of different depths of parts is achieved;
the oblique iron is used for providing the height of a pivot point for the rotation of the broaching tool, and a support lug capable of moving forwards and backwards along the screw rod is arranged on the side surface of the large end part;
the screw is used for providing a guide rail for advancing and retreating the inclined iron and a fixing and mounting point;
the screw rod passes through cutter body tip screw hole with the cutter body is connected, the screw rod with cutter body junction screw in lock nut, the band iron inserts the cutter body wedge groove, put into in the middle of the band iron journal stirrup behind the adjusting nut cup joint in the screw rod, screw rod outermost end screw in lock nut, the broach is arranged in the cutter body recess on the band iron, articulate in through the pin in the cutter body, through the adjustment of band iron axial position is confirmed the broach is locked through holding screw behind the height, at this moment, through lock nut locking the screw rod and the band iron.
Preferably, in order to facilitate processing of the cutter body, the cutter body is arranged to be of a split structure, a few half cutter bodies are cut along the axial direction, the section is just positioned on one side surface of the groove, and the two half cutter bodies are connected into a whole through screws.
Preferably, in order to protect the inner hole of the part, end sleeves made of soft metal are arranged at the front end and the rear end of the cutter body.
Preferably, the end sleeve is made of copper.
Advantageous effects
Compared with the prior art, the invention aims at the problem of difficult groove drawing of the small-caliber rifling, adopts the spiral transmission fine adjustment structure to drive the wedge block, and realizes the adjustment of the feed amount of the broach through the inclined plane, thereby solving the problem of groove drawing of the small-caliber rifling.
Drawings
FIG. 1 is a schematic cross-sectional view of a small-bore rifling grooving apparatus according to the present invention;
FIG. 2 is a schematic view of the overall structure of the small-bore rifling groove broaching device of the present invention;
reference numerals: 1, a cutter body; 2-groove broaching cutter; 3-an oblique iron; 4-screw rod; 5-adjusting the nut; 6-locking the nut; 7-pins; 8-half cutter body; 9-a screw; 10-end sleeve.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art in light of these embodiments are intended to be within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
For the purpose of illustrating the objects, technical solutions and advantages of the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
As shown in fig. 1, the invention provides a small bore rifling grooving apparatus, comprising: the tool body 1, the broaching tool 2, the wedge 3 and the screw rod 4;
the knife body is used for providing mounting positions for the slotting cutter 2, the wedge 3 and the screw 4, is of a cylindrical structure, is provided with a groove in the middle for placing the slotting cutter 2, and is provided with a hole in the side surface for being hinged with the slotting cutter 2 through a pin 7 so as to provide a rotating shaft of the slotting cutter 2; a wedge-shaped groove is axially formed to provide an installation position of the wedge-shaped iron 3; a threaded hole is formed in the end part of the cutter body on the side edge of the wedge-shaped groove and used for mounting the screw rod 4;
the broaching tool 2 is used for cutting and broaching a groove on a part to be machined; the tool is of a T-like structure, a threaded hole is formed in the tail of the slotting tool and used for fixing through a set screw, a bulge is arranged on the other side of the tool bit, a shaft hole is formed in the tool body and used for being hinged with a side hole formed in the tool body 1 through a pin 7, the height of the tool bit extending out of the tool body 1 can be adjusted by taking the pin 7 as a shaft and the bulge as a fulcrum, and therefore cutting machining of grooves of different depths of parts is achieved;
the wedge 3 is used for providing the height of a pivot point for the rotation of the slot drawing knife 2, and a support lug capable of moving forwards and backwards along the screw rod 4 is arranged on the side surface of the large end part;
the screw rod 4 is used for providing a guide rail for advancing and retreating the inclined iron and a fixing and mounting point;
screw rod 4 passes through 1 tip screw hole of cutter body with cutter body 1 is connected, screw rod 4 with cutter body junction screw in lock nut, the sloping iron 3 inserts 1 wedge groove of cutter body, cup joint after putting into adjusting nut 5 in the middle of the 3 lugs of sloping iron in the screw rod, screw rod outermost end screw in lock nut, the broach is arranged in the cutter body recess on the sloping iron 3, articulate through pin 7 in cutter body 1, through 3 axial position's of sloping iron adjustment is confirmed 2 high backs of broach are locked through holding screw, at this moment, lock through lock nut 6 screw rod 4 and sloping iron 3.
Preferably, in order to facilitate the processing of the cutter body 1, the cutter body is provided with two halves of a split structure, as shown in fig. 1 and fig. 2, that is, a few cutter bodies are axially cut, so that the section is just positioned on one side surface of the groove, and the two cutter bodies are connected into a whole through screws.
Preferably, in order to protect the inner hole of the part and prevent the cutter body from damaging the inner wall of the part when the cutter body enters or exits the part, the front end and the rear end of the cutter body are provided with end sleeves made of soft metal, and the end sleeves are sleeved into a cylinder which is integrated with the cutter body.
Preferably, the end sleeve is made of copper.
The use process of the device is as follows:
the broaching tool 2 is hinged with the tool body 1 by a pin 7, the two tool bodies are connected by a screw 9 to form an integral tool body 1, copper sleeves 10 are sleeved at two ends of the tool body, the tool body 1 is supported in an auxiliary mode and moves back and forth in a guiding mode in the broaching process, a screw rod 4 is screwed on the tool body 1 and locked by a nut, the inclined iron 3 and an adjusting nut 5 are mounted on the screw rod 4 together and adjusted in place, namely the position of the inclined iron 3 is adjusted by the adjusting nut 5, the broaching tool 2 is jacked up to reach a preset height, namely the feeding amount of the broaching tool 2 is adjusted, the inclined iron 3 is locked by a locking nut 6 after adjustment, and the broaching tool 2 is locked by the screw. And finally, after the small-bore rifling groove drawing device is prepared, the small-bore rifling groove drawing device is installed into equipment, and then the parts can be machined.
Practice proves that the device can be used for rapidly finishing broaching the small-bore rifling in the small-bore rifling machining process with quality and quantity guaranteed in the machining process of certain product parts in our factory, and the design requirements are met. The inner diameter of the part is phi 12.7mm, and the outer diameter of the cutter body of the device is phi 11 mm. The device has compact structure and ingenious design, the wedge block is driven by the screw drive fine adjustment structure, and the feed amount of the slotting cutter is adjusted through the inclined plane.
In order to illustrate the contents and embodiments of the present invention, specific examples are given herein. The details introduced in the examples are not intended to limit the scope of the claims but to assist in understanding the present invention. Those skilled in the art will understand that: although the description is given in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art will recognize that the embodiments described herein may be combined as a whole to form other embodiments as would be understood by those skilled in the art. And that various modifications, changes, or alterations to the steps of the preferred embodiments are possible without departing from the spirit and scope of the invention and appended claims. Therefore, the present invention should not be limited to the disclosure of the preferred embodiments and the accompanying drawings.
Claims (4)
1. The utility model provides a small-bore rifling trombone slide device which characterized in that: comprises a cutter body (1), a slot-drawing cutter (2), an oblique iron (3) and a screw (4);
the knife body (1) is used for providing mounting positions for the slotting cutter (2), the wedge (3) and the screw (4), is of a cylindrical structure, is provided with a groove in the middle for placing the slotting cutter (2), and is provided with a hole in the side surface for being hinged with the slotting cutter (2) through a pin (7) so as to provide a rotating shaft of the slotting cutter (2); a wedge-shaped groove is axially formed to provide an installation position of the wedge (3); a threaded hole is formed in the end part of the cutter body (1) on the side edge of the wedge-shaped groove and used for mounting the screw (4);
the broaching tool (2) is used for cutting a broaching groove on a part to be machined; the groove broaching tool is of a T-like structure, a threaded hole is formed in the tail of the groove broaching tool (2) and used for fixing through a set screw (9), a bulge is arranged on the other side of the tool bit, a shaft hole is formed in the tool body and used for being hinged with a side hole formed in the tool body (1) through a pin (7), the height of the tool bit extending out of the tool body (1) can be adjusted by taking the pin (7) as a shaft and the bulge as a fulcrum, and therefore cutting machining of grooves of different depths of parts is achieved;
the wedge (3) is used for providing the height of a rotating fulcrum of the slot drawing knife (2), is of a wedge-shaped structure, and is provided with a support lug capable of moving forwards and backwards along the screw rod (4) on the side surface of the large end part;
the screw (4) is used for providing a guide rail for advancing and retreating the inclined iron (3) and a fixing and mounting point;
screw rod (4) with cutter body (1) is through its tip threaded connection, connect the terminal surface and establish lock nut (6), wedge (3) insert cutter body (1) wedge groove, put into in the middle of wedge (3) journal stirrup and cup joint after adjusting nut (5) in screw rod (4), lock nut (6) are established to screw rod (4) outermost end, broach sword (2) are arranged in cutter body (1) recess on wedge (3), articulate through pin (7) in cutter body (1), through the adjustment of wedge (3) axial position is confirmed broach sword (2) is locked through holding screw (9) behind the height, lock through lock nut (6) screw rod (4) and wedge (3).
2. The apparatus of claim 1, wherein: the cutter body (1) is arranged to be of a split structure, a few half cutter bodies (1) are cut along the axial direction, the section is just positioned on one side surface of the groove, and the two half cutter bodies (1) are connected into a whole through screws (9).
3. The apparatus of claim 1 or 2, wherein: end sleeves (10) made of soft metal are arranged at the front end and the rear end of the cutter body (1).
4. The apparatus of claim 3, wherein: the end sleeve (10) is made of copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011246288.2A CN112317862B (en) | 2020-11-10 | 2020-11-10 | Small-bore rifling groove broaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011246288.2A CN112317862B (en) | 2020-11-10 | 2020-11-10 | Small-bore rifling groove broaching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112317862A true CN112317862A (en) | 2021-02-05 |
| CN112317862B CN112317862B (en) | 2023-03-24 |
Family
ID=74318023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011246288.2A Active CN112317862B (en) | 2020-11-10 | 2020-11-10 | Small-bore rifling groove broaching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112317862B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB123750A (en) * | 1918-02-23 | 1919-11-20 | Carl Godfrey Allgrunn | Improvements in Rifling Tools and Method of Using same. |
| GB549912A (en) * | 1941-09-15 | 1942-12-14 | Lapointe Machine Tool Co | Improvements in or relating to method of rifling gun barrels |
| US2305028A (en) * | 1941-02-08 | 1942-12-15 | Lapointe Machine Tool Co | Rifling broach |
| GB624202A (en) * | 1946-07-06 | 1949-05-30 | Nellie May Gottschalt | Expansible broach |
| US2757580A (en) * | 1952-11-07 | 1956-08-07 | Pratt & Whitney Co Inc | Cutter head for rifling machines |
| CN1745945A (en) * | 2005-09-21 | 2006-03-15 | 鲁宏 | Assembled broach |
| CN203448766U (en) * | 2013-09-16 | 2014-02-26 | 重庆工具厂有限责任公司 | Keyway broach with adjustable broaching depth |
| CN203843284U (en) * | 2013-12-05 | 2014-09-24 | 山西北方机械制造有限责任公司 | Broaching tool for machining rifling on bore of barrel of small-caliber gun |
| CN205764180U (en) * | 2016-07-01 | 2016-12-07 | 陕西理工大学 | Combined flat surface broaching tool |
| CN205949994U (en) * | 2016-08-16 | 2017-02-15 | 山西北方机械制造有限责任公司 | Deep hole kerve device |
-
2020
- 2020-11-10 CN CN202011246288.2A patent/CN112317862B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB123750A (en) * | 1918-02-23 | 1919-11-20 | Carl Godfrey Allgrunn | Improvements in Rifling Tools and Method of Using same. |
| US2305028A (en) * | 1941-02-08 | 1942-12-15 | Lapointe Machine Tool Co | Rifling broach |
| GB549912A (en) * | 1941-09-15 | 1942-12-14 | Lapointe Machine Tool Co | Improvements in or relating to method of rifling gun barrels |
| GB624202A (en) * | 1946-07-06 | 1949-05-30 | Nellie May Gottschalt | Expansible broach |
| US2757580A (en) * | 1952-11-07 | 1956-08-07 | Pratt & Whitney Co Inc | Cutter head for rifling machines |
| CN1745945A (en) * | 2005-09-21 | 2006-03-15 | 鲁宏 | Assembled broach |
| CN203448766U (en) * | 2013-09-16 | 2014-02-26 | 重庆工具厂有限责任公司 | Keyway broach with adjustable broaching depth |
| CN203843284U (en) * | 2013-12-05 | 2014-09-24 | 山西北方机械制造有限责任公司 | Broaching tool for machining rifling on bore of barrel of small-caliber gun |
| CN205764180U (en) * | 2016-07-01 | 2016-12-07 | 陕西理工大学 | Combined flat surface broaching tool |
| CN205949994U (en) * | 2016-08-16 | 2017-02-15 | 山西北方机械制造有限责任公司 | Deep hole kerve device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112317862B (en) | 2023-03-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107234441A (en) | A kind of lock housing composite processor | |
| CN100540188C (en) | The cutter saddle of metal machining tool | |
| CN102101240B (en) | Device for processing longhole | |
| CN112317862B (en) | Small-bore rifling groove broaching device | |
| US4018542A (en) | Adjustable tool holder for boring bar | |
| US2283491A (en) | Boring apparatus | |
| CN214720637U (en) | Positioning push boring cutter used before deep hole machining | |
| US11045880B2 (en) | Boring tool | |
| CN113245849A (en) | Automatic machining machine tool for lock shell of blade mortise lock | |
| JP2000167701A (en) | Bar work device and bar feeder | |
| CN110576199B (en) | End face grooving cutter body | |
| CN111230190A (en) | Improved generation axle sleeve outer lane mills slotting machine | |
| CN212857792U (en) | Boring cutter for machining blocking hole of slewing bearing | |
| CN215698056U (en) | Adjustable direction boring cutter | |
| CN217291364U (en) | Knife pouch, cutter and lathe | |
| CN204770735U (en) | Advance boring cutter to one side | |
| CN218109374U (en) | Tool for machining key groove of lathe | |
| CN219156082U (en) | Label slitting mechanism | |
| CN215658034U (en) | Hard alloy composite drill | |
| CN220240081U (en) | Walk heart machine convenient to change cutter | |
| CN220739499U (en) | Inner and outer diameter integrated adjustable boring cutter | |
| CN218891449U (en) | Numerical control cutting tool convenient to installation | |
| CN215091970U (en) | Automatic machining machine tool for lock shell of blade mortise lock | |
| CN219310627U (en) | Composite boring cutter with adjustable radius of deep hole | |
| CN217749388U (en) | Fine-adjustable boring cutter for machining conical surface |
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 |