CN102896350B - Cutter bar structure for machining grooves in deep blind holes - Google Patents
Cutter bar structure for machining grooves in deep blind holes Download PDFInfo
- Publication number
- CN102896350B CN102896350B CN201210389305.7A CN201210389305A CN102896350B CN 102896350 B CN102896350 B CN 102896350B CN 201210389305 A CN201210389305 A CN 201210389305A CN 102896350 B CN102896350 B CN 102896350B
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- CN
- China
- Prior art keywords
- knife bar
- cutter bar
- regulating shaft
- gear
- cutter
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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 - Fee Related
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- Drilling And Boring (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention discloses a cutter bar structure for machining grooves in deep blind holes. The structure aims at machining grooves in deep blind holes of boxes, and can machine grooves in blind holes. The structure comprises a cutter bar taper shank; a cutter bar is fixedly connected with the front end of the cutter bar taper shank through screws; a regulating shaft penetrates through the cutter bar; the regulating shaft is movably connected with the cutter bar; and a cutter head is movably installed on the side wall of the cutter bar along the radial direction of the cutter bar. The structure is characterized in that the contact surface between the cutter bar and the cutter head adopts a conical surface; a tapered bottom is positioned on the inner side of the regulating shaft; a gear is fixedly connected with the rear part or the rear end of the regulating shaft; an intermediate gear is installed at the rear end of the cutter bar through a hinge pin in a relatively rotating way; the intermediate gear is meshed with the gear; a screw pair is connected with between the cutter bar and the regulating shaft; the cutter bar is in transmission connection with the regulating shaft through the screw pair; a shifting sleeve is connected with the front end of the cutter bar taper shank through a pressure pad and screws in a relatively rotating way; the cutter bar penetrates through the middle of the shifting sleeve; internal teeth are formed in the side wall of the shifting sleeve; and the internal teeth are meshed with the intermediate gear.
Description
Technical field
The present invention relates to a kind of casing class deep hole internal channel processing lever structure, relate in particular to a kind of lever structure of processing deep blind-hole internal channel.
Background technology
In the time of the internal channel of machining box-type hole, need cutter head can realize and moving radially at internal channel place, hole so that by groove processing to needs size; In existing lever structure, regulate the member that cutter head moves radially to be located at knife bar front end, and hole is necessary for through hole; In the time of processing blind hole internal channel, existing knife bar can not be realized cutter head and move radially; And in the time of design elements structure, some need to be designed to groove in blind hole, but can not get realizing.
Summary of the invention
The object of this invention is to provide a kind of lever structure of processing deep blind-hole internal channel, this structure is for casing class deep hole and be blind hole internal channel processing, can processing blind hole internal channel.
For achieving the above object, the technical solution used in the present invention is:
A kind of lever structure of processing deep blind-hole internal channel, comprise knife bar taper shank, knife bar taper shank front end is fixedly connected with knife bar by screw, in knife bar, be installed with regulating shaft, regulating shaft and knife bar are movably connected, on the sidewall of knife bar, be radially movably installed with cutter head along knife bar, it is characterized in that: the contact-making surface of knife bar and cutter head is taper surface, and the cone end, is positioned at regulating shaft inboard, regulating shaft rear portion or rear end are fixedly connected with gear, knife bar rear end is rotatably installed with idler gear relatively by bearing pin, and idler gear is meshed with gear; Between knife bar and regulating shaft, be connected with screw thread pair, knife bar is connected by screw thread pair transmission with regulating shaft; Knife bar taper shank front end is by pressure pad be rotatably connected sliding set relative to screw, and knife bar passes in the middle of sliding set, and the sidewall the inside of sliding set is with internal tooth, and internal tooth is meshed with idler gear.
According to the lever structure of described a kind of processing deep blind-hole internal channel, it is characterized in that: on the sidewall of described knife bar, along radially two cutter heads of movable installation of knife bar, two cutter head symmetries are contained in the front end of knife bar.
In the present invention, knife bar taper shank and knife bar are located and are linked together with screw by seam, regulating shaft with gear and screw thread is housed in the chamber of knife bar, gear on regulating shaft is meshed with the idler gear being contained on knife bar, sliding set is contained in the outside of knife bar, use pressure pad and screw to be positioned at the outside of knife bar and knife bar taper shank junction, internal tooth and the idler gear of sliding set are meshed; Rotation sliding set rotates regulating shaft and is moved by idler gear, and the cutter head that regulating shaft promotion is contained in knife bar front end moves radially, thereby realizes the object of radial cutting.
Lever structure, in deep hole processing and while being the internal channel of blind hole, is that adjustable cutter head moves radially in outer workpiece, realizes the object of processing blind hole internal channel, simple in structure, easy making, easy to operate; Knife bar can be realized safety, inner hole groove processing fast.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
In accompanying drawing:
1, knife bar taper shank; 2, regulating shaft; 3, pressure pad; 4, screw; 5, screw; 6, cutter head; 7, knife bar; 8, bearing pin; 9, idler gear; 10, sliding set; 11, screw thread pair; 12, gear.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
A kind of lever structure of processing deep blind-hole internal channel, as shown in Figure 1, comprise knife bar taper shank 1, knife bar taper shank 1 front end is fixedly connected with knife bar 7 by screw 5, in knife bar 7, be installed with regulating shaft 2, regulating shaft 2 is movably connected with knife bar 7, on the sidewall of knife bar 7, be radially movably installed with cutter head 6 along knife bar 7, knife bar 7 is taper surface with the contact-making surface of cutter head 6, and the cone end, is positioned at regulating shaft 2 inboards, regulating shaft 2 rear portions or rear end are fixedly connected with gear 12, and knife bar 7 rear ends are rotatably installed with idler gear 9 relatively by bearing pin 8, and idler gear 9 is meshed with gear 12; Between knife bar 7 and regulating shaft 2, be connected with screw thread pair 11, knife bar 7 is connected by screw thread pair 11 transmissions with regulating shaft 2; Knife bar taper shank 1 front end is by pressure pad 3 be rotatably connected sliding set 10 relative to screw 4, and knife bar 7 passes in the middle of sliding set 10, and the sidewall the inside of sliding set 10 is with internal tooth, and internal tooth is meshed with idler gear 9.In the present embodiment, on the sidewall of knife bar 7 along the radially movable front end of 6, two cutter head 6 symmetries of two cutter heads are installed are contained in knife bar 7 of knife bar 7.
Embodiment recited above is described the preferred embodiment of the present invention; not the spirit and scope of the present invention are limited; do not departing under the prerequisite of design concept of the present invention; various modification and improvement that in this area, common engineers and technicians make technical scheme of the present invention; all should fall into protection scope of the present invention; the technology contents of request protection of the present invention, has all been documented in claims.
The present invention is for all kinds of boring machines and machining center, is used for deep hole processing and be blind hole, aperture relatively little hole internal channel again.
In the present invention, cutter head is contained in the square hole of knife bar front end, then regulating shaft is contained in the chamber of knife bar, the conical surface of the conical surface contact cutter head of regulating shaft front end; Knife bar taper shank and knife bar are located by seam and are linked together with screw; Idler gear is fixed on bearing pin in the lateral groove of knife bar; Sliding set is contained in the outside of knife bar, is positioned at the position that knife bar is connected with knife bar taper shank with pressure pad and screw; Internal tooth and the idler gear of sliding set are meshed, gear on idler gear and regulating shaft is meshed, rotation sliding set makes regulating shaft rotation by idler gear, when regulating shaft rotation, by the screw thread pair being meshed with knife bar, regulating shaft is moved axially simultaneously, the conical surface of regulating shaft front end promotes cutter head and does the motion of forward and back cutter; Two cutter head symmetries are contained in cutter lever front end, symmetrical cutting when cutter radial feed, and the knife bar having produced because of Tool in Cutting drag while having avoided hilted broadsword feeding vibration, makes Tool in Cutting stress balance, and processing dimension is reliable.
Claims (2)
1. the lever structure of a processing deep blind-hole internal channel, comprise knife bar taper shank (1), knife bar taper shank (1) front end is fixedly connected with knife bar (7) by screw (5), in knife bar (7), be installed with regulating shaft (2), regulating shaft (2) is movably connected with knife bar (7), on the sidewall of knife bar (7), be radially movably installed with cutter head (6) along knife bar (7), it is characterized in that: knife bar (7) is taper surface with the contact-making surface of cutter head (6), and the cone end, is positioned at regulating shaft (2) inboard, regulating shaft (2) rear portion or rear end are fixedly connected with gear (12), knife bar (7) rear end is rotatably installed with idler gear (9) relatively by bearing pin (8), idler gear (9) is meshed with gear (12), between knife bar (7) and regulating shaft (2), be connected with screw thread pair (11), knife bar (7) is connected by screw thread pair (11) transmission with regulating shaft (2), knife bar taper shank (1) front end is by pressure pad (3) be rotatably connected sliding set relative to screw (4) (10), and knife bar (7) passes in the middle of sliding set (10), and the sidewall the inside of sliding set (10) is with internal tooth, and internal tooth is meshed with idler gear (9).
2. the lever structure of a kind of processing deep blind-hole internal channel according to claim 1, is characterized in that: on the sidewall of described knife bar (7), along radially movable two cutter heads (6) of installing of knife bar (7), two cutter heads (6) symmetry is contained in the front end of knife bar (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210389305.7A CN102896350B (en) | 2012-10-15 | 2012-10-15 | Cutter bar structure for machining grooves in deep blind holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210389305.7A CN102896350B (en) | 2012-10-15 | 2012-10-15 | Cutter bar structure for machining grooves in deep blind holes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102896350A CN102896350A (en) | 2013-01-30 |
| CN102896350B true CN102896350B (en) | 2014-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210389305.7A Expired - Fee Related CN102896350B (en) | 2012-10-15 | 2012-10-15 | Cutter bar structure for machining grooves in deep blind holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102896350B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107791048A (en) * | 2016-09-02 | 2018-03-13 | 贵州龙飞航空附件有限公司 | A kind of device for processing deep blind-hole internal channel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR759981A (en) * | 1933-08-07 | 1934-02-14 | Boring tool head device | |
| GB589954A (en) * | 1945-05-03 | 1947-07-03 | Richard Lee | Improvements relating to adjustable reamers |
| DE2327686A1 (en) * | 1973-05-30 | 1975-01-16 | Uzina Mecanica Fina Sinaia | Borer facing attachment - has tool sliding radially in spindle head with pin engaging in spiral feed groove |
| US4400118A (en) * | 1980-07-10 | 1983-08-23 | Toyoda Koki Kabushiki Kaisha | Machine tool with bore diameter measuring apparatus and tool position compensating apparatus |
| CN200951469Y (en) * | 2006-10-19 | 2007-09-26 | 武裕 | Boring roller head |
| CN202910328U (en) * | 2012-10-15 | 2013-05-01 | 山东鲁南机床有限公司 | Cutter bar structure for processing inner trough of deep blind hole |
-
2012
- 2012-10-15 CN CN201210389305.7A patent/CN102896350B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR759981A (en) * | 1933-08-07 | 1934-02-14 | Boring tool head device | |
| GB589954A (en) * | 1945-05-03 | 1947-07-03 | Richard Lee | Improvements relating to adjustable reamers |
| DE2327686A1 (en) * | 1973-05-30 | 1975-01-16 | Uzina Mecanica Fina Sinaia | Borer facing attachment - has tool sliding radially in spindle head with pin engaging in spiral feed groove |
| US4400118A (en) * | 1980-07-10 | 1983-08-23 | Toyoda Koki Kabushiki Kaisha | Machine tool with bore diameter measuring apparatus and tool position compensating apparatus |
| CN200951469Y (en) * | 2006-10-19 | 2007-09-26 | 武裕 | Boring roller head |
| CN202910328U (en) * | 2012-10-15 | 2013-05-01 | 山东鲁南机床有限公司 | Cutter bar structure for processing inner trough of deep blind hole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102896350A (en) | 2013-01-30 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 Termination date: 20211015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |