CN114012119A - Linkage adjusting double-edge boring head cutter - Google Patents
Linkage adjusting double-edge boring head cutter Download PDFInfo
- Publication number
- CN114012119A CN114012119A CN202111404118.7A CN202111404118A CN114012119A CN 114012119 A CN114012119 A CN 114012119A CN 202111404118 A CN202111404118 A CN 202111404118A CN 114012119 A CN114012119 A CN 114012119A
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- CN
- China
- Prior art keywords
- sliding block
- tool
- gear shaft
- screw rod
- boring head
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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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
- B23B29/03—Boring heads
- B23B29/034—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings
- B23B29/03403—Boring heads with tools moving radially, e.g. for making chamfers or undercuttings radially adjustable before starting manufacturing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention relates to a hole machining tool. The purpose provides a linkage regulation twolip boring head cutter, and this cutter can carry out the linkage regulation to twolip boring head, has the characteristics that reduce tool setting time, reduce twolip size offset, improve the regulation precision, guarantee work piece hole processingquality. The technical scheme is as follows: linkage regulation twolip boring head cutter, its characterized in that: the tool rest comprises a tool apron provided with a U-shaped through groove, a first sliding block assembly, a second sliding block assembly, a locking assembly and a driving assembly, wherein the first sliding block assembly and the second sliding block assembly are slidably positioned in the U-shaped through groove, tool bits are respectively arranged on the outer sides of the first sliding block assembly and the second sliding block assembly, the locking assembly is used for locking or loosening the two sliding block assemblies, and the driving assembly is used for driving the two sliding block assemblies to synchronously move along opposite directions.
Description
Technical Field
The invention relates to a hole machining tool, in particular to a linkage adjusting double-edge boring head tool.
Background
In the processing production, a part of workpieces need to use a semi-precision cutter for removing the allowance in a hole due to the requirement of a processing technology, the existing universal double-edge boring head is adjusted by a single edge, and the sizes of two cutter heads cannot be completely consistent in the adjusting process, so that the cutter heads of the cutters are poor in size, the quality of the workpiece hole is influenced during processing, the cutter heads of the cutters are easy to crack, the adjustment is carried out twice, and the cutter setting time is greatly prolonged.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide a linkage adjustment double-blade boring head cutter which can perform linkage adjustment on a double-blade boring head and has the characteristics of reducing tool setting time, reducing size offset of the two blades, improving adjustment precision and ensuring the processing quality of a workpiece hole.
The technical scheme provided by the invention is as follows:
linkage regulation twolip boring head cutter, its characterized in that: the tool rest comprises a tool apron provided with a U-shaped through groove, a first sliding block assembly, a second sliding block assembly, a locking assembly and a driving assembly, wherein the first sliding block assembly and the second sliding block assembly are slidably positioned in the U-shaped through groove, tool bits are respectively arranged on the outer sides of the first sliding block assembly and the second sliding block assembly, the locking assembly is used for locking or loosening the two sliding block assemblies, and the driving assembly is used for driving the two sliding block assemblies to synchronously move along opposite directions.
The locking component comprises a screw rod penetrating through the tool apron and the two sliding block assemblies, a fixed sleeve sleeved on the periphery of the screw rod and located between the tool apron and the head of the screw rod, and a nut in threaded connection with the other end of the screw rod.
The driving component comprises a gear shaft and a screw rod which are parallel to each other and can be rotationally positioned on the tool apron, a first connecting key of which one end is in threaded connection with the gear shaft and the other end is in clamping fit with the first sliding assembly, and a second connecting key of which one end is in threaded connection with the screw rod and the other end is in clamping fit with the second sliding assembly; the gear shaft and the screw rod are in transmission connection through a gear pair.
And the gear shaft and the screw rod are both provided with limiting parts to prevent the gear shaft and the screw rod from axially moving.
The limiting piece comprises a first annular groove arranged on the gear shaft or the screw rod, a second annular groove arranged on the cutter holder and corresponding to the first annular groove in position, and a plurality of steel balls arranged between the first annular groove and the second annular groove.
The outer wall of the cutter holder is provided with a threaded hole which is communicated with the second annular groove so as to be sequentially placed with steel balls; a headless screw is detachably mounted in the threaded hole to prevent the steel ball from rolling out of the threaded hole.
The axes of the gear shaft and the screw rod are parallel to the moving directions of the two sliding block assemblies; the axis of the screw is perpendicular to the moving direction of the two sliding block assemblies.
The outer end faces of the gear shaft and the screw rod are provided with dials; and the outer surface of the cutter holder is provided with a marked line for positioning the zero point of the dial.
The lead of the gear shaft and the lead screw are both 2 mm.
And 20 scribed lines are uniformly arranged on the dial face of the dial along the circumferential direction.
The invention has the beneficial effects that:
1) in the driving component, when the gear shaft and the screw rod are transmitted through the gear pair, the first connecting key and the second connecting key drive the two sliding assemblies to synchronously move, so that the linkage adjustment of the two tool bits is realized; when the tool setting device is used, the tool can be debugged only by ensuring the adjusting size of one tool bit, so that the debugging time is greatly saved, the tool setting efficiency is improved, and the size adjusting precision can be better ensured.
2) In the invention, the circle of steel balls are arranged between the tool apron and the gear shaft and between the tool apron and the screw rod, so that on one hand, the axial movement of the gear shaft and the screw rod can be prevented, on the other hand, the resistance of the gear shaft and the screw rod in size adjustment can be greatly reduced, the difficulty in size adjustment is reduced, and the service life of the tool part is prolonged.
3) The invention has simple structure, easy processing and manufacturing and is suitable for popularization and application.
Drawings
FIG. 1 is an exploded view of the present invention.
FIG. 2 is a second exploded view of the present invention.
Fig. 3 is a schematic front view of the present invention.
Fig. 4 is a sectional view a-a of fig. 3.
Fig. 5 is a sectional view B-B of fig. 3.
Fig. 6 is a cross-sectional view taken along line D-D of fig. 5.
Fig. 7 is a schematic top view of the present invention.
Fig. 8 is a schematic bottom view of the present invention.
Fig. 9 is a cross-sectional view E-E of fig. 8.
Fig. 10 is a sectional view F-F of fig. 8.
Reference numerals:
1. a tool apron; 1-1, a U-shaped through groove; 1-2, a first through hole; 1-3, a second through hole; 1-4, a third through hole; 1-5, a fourth through hole; 2. a first slider assembly; 2-1, first perforation; 2-2, a first card slot; 3. a second slider assembly; 3-1, second perforation; 3-2, a second card slot; 4-1, screw; 4-2, a nut; 4-3, fixing a sleeve; 5-1, gear shaft; 5-2, a screw rod; 5-3, a first connecting bond; 5-4, a second connecting bond; 5-5, a first gear; 5-6, a second gear; 5-7, a first annular groove; 5-8, a second annular groove; 5-9, steel balls; 5-10, headless screws; 5-11, a gasket; 5-12, expansion screw; 5-13, threaded hole; 6. a dial scale; 7. a cutter head; 8. and (5) marking.
Detailed Description
The following further description is made with reference to the embodiments shown in the drawings.
The linkage adjusting double-edge boring head tool shown in fig. 1 to 10 comprises a tool apron 1, a first sliding block assembly 2, a second sliding block assembly 3, a locking assembly and a driving assembly. The tool apron is provided with a U-shaped through groove 1-1; the first sliding block assembly and the second sliding block assembly can slide in the U-shaped through groove along opposite directions, and tool bits 7 are mounted on the outer sides of the two sliding block assemblies so as to cut and machine workpiece holes. In this embodiment, the width of the notch of the U-shaped through groove is adapted to the thickness of the two slider assemblies (i.e., after the two slider assemblies are loaded into the U-shaped through groove, a certain gap exists between the inner wall of the U-shaped through groove and the two slider assemblies) so as to ensure that the two slider assemblies can move in the U-shaped through groove to adjust the position.
The locking component is used for locking or loosening the two sliding block assemblies; the locking component comprises a screw rod 4-1, a fixed sleeve 4-3 and a nut 4-2. The screw rod is inserted into the through hole of the tool apron and the through holes of the two sliding block assemblies (wherein the tool apron is correspondingly provided with a first through hole 1-2 and a second through hole 1-3, the first sliding block assembly is provided with a first through hole 2-1, the second sliding block assembly is provided with a second through hole 3-1, and the screw rod sequentially penetrates through the first through hole, the second through hole, the first through hole and the second through hole, as shown in fig. 1 and 2); the axis of the screw is vertical to the moving direction of the two sliding block assemblies. The fixed sleeve is arranged between the tool apron and the head of the screw rod and is sleeved on the periphery of the screw rod; the nut is in threaded connection with the other end of the screw rod. When the two sliding block assemblies need to be locked, the nut is screwed, and the nut applies pressure to the cutter seat through the fixing sleeve, so that two sides of the U-shaped through groove slightly deform and clamp the two sliding block assemblies, the positions of the two sliding block assemblies are fixed, and the working stability of the cutter is ensured; after the nut is loosened, the positions of the two sliding block assemblies can be adjusted through the driving assembly, so that reaming operation in different degrees can be realized according to requirements.
The driving component is used for driving the two sliding block assemblies to synchronously move along opposite directions; the driving assembly comprises a gear shaft 5-1, a screw rod 5-2, a first connecting key 5-3 and a second connecting key 5-4. The gear shaft and the screw rod are parallel to each other (the axes of the gear shaft and the screw rod are both parallel to the moving direction of the two sliding block assemblies and perpendicular to the axis of the screw rod) and can be rotatably positioned on the tool apron (the tool apron is provided with a third through hole 1-4 and a fourth through hole 1-5, the gear shaft is inserted in the third through hole, and the screw rod is inserted in the fourth through hole, as shown in fig. 1 and 5); wherein, the left end of the gear shaft extends into and is positioned in a positioning hole (the positioning hole is positioned at the left end of the third through hole; see figure 5) on the inner wall of the cutter holder for radial positioning; the right end of the screw rod is fixed with a second gear 5-6 through an expansion screw 5-12 (the wall of a screw hole at the right end of the screw rod is uniformly provided with a plurality of expansion joints which are parallel to the axis of the screw rod and run through the hole at the right end, the expansion screw tightly screws the screw hole to force the right end of the screw hole to expand, thereby realizing the fixation of the screw rod and the second gear, see figure 5), and the outer edge of the second gear is used for radial positioning. The gear shaft and the screw rod are in transmission connection through a gear pair; the gear pair comprises a first gear 5-5 fixed on the gear shaft and a second gear 5-6 fixed on the screw rod. In the embodiment, the right end of the screw rod is provided with the step, and the second gear is positioned by the step and assembled; wherein a gasket 5-11 is filled between the step and the second gear end face, see fig. 6.
An external thread is formed in the middle of the gear shaft, one end of the first connecting key is connected with the external thread of the gear shaft in a matched mode through the screw hole formed in the first connecting key, and the other end of the first connecting key is matched with a first clamping groove 2-2 in the bottom end of the first sliding assembly in a clamped mode (see figure 1); one end of the second connecting key is connected with the external thread of the screw rod in a matching way through the screw hole, and the other end of the second connecting key is matched with a second clamping groove 3-2 at the bottom end of the second sliding assembly in a clamping way (see figure 1). During operation, only need to rotate gear shaft or lead screw alone, under the transmission effect of gear pair, gear shaft and lead screw rotate in step, drive first connector key and second connector key synchronous motion, and then drive two slip assemblies synchronous motion, realized the linkage regulation of two tool bits, improve tool setting efficiency. As shown in fig. 3, the outer end faces of the gear shaft and the screw rod are both provided with a dial 6, so that a user can conveniently and accurately adjust the rotation angles of the gear shaft and the screw rod, and the position adjustment precision of the two sliding assemblies is ensured; specifically, 20 scribed lines are uniformly arranged on the disc surface of the dial along the circumferential direction (namely, one scribed line is scribed at every 18 degrees), and the lead of the gear shaft and the lead screw are both 2mm, so that each time the gear shaft and the lead screw rotate through one scribed line, the two slide block assemblies can be driven to advance by 0.1 mm. The outer surface of the cutter holder is provided with a marked line which is initially aligned with the zero point of the dial. When adjusting, the calibrated scale of gear shaft and the outer terminal surface of lead screw can make the regulating variable visual, makes things convenient for the staff to know the regulation size more fast to effectively practice thrift tool setting time.
In this embodiment, the gear shaft and the lead screw are both provided with a limiting member to prevent the gear shaft and the lead screw from moving axially. The limiting piece comprises a first annular groove 5-7, a second annular groove 5-8 and a plurality of steel balls 5-9. The first annular groove is formed on the gear shaft (the right end of the gear shaft can be seen in fig. 5) or the screw rod (the left end of the screw rod can be seen in fig. 5); the second annular groove is formed in the tool apron (in the figures, the inner walls of the third through hole and the fourth through hole are both provided with the second annular groove, see fig. 1 and 2) and corresponds to the first annular groove in position; the steel balls are arranged between the first annular groove and the second annular groove (the first annular groove and the second annular groove are used as slideways of the steel balls), so that the steel balls are utilized to limit the axial movement of the gear shaft and the screw rod and realize radial positioning. In order to facilitate the installation of the steel balls, the outer wall of the cutter holder is provided with threaded holes 5-13 (see fig. 6) communicated with the second annular groove, so that the steel balls are sequentially placed into the second annular groove through the threaded holes. The screwed hole is detachably provided with headless screws 5-10; and after all the steel balls are placed in the second annular groove, screwing the headless screw into the threaded hole to prevent the steel balls from rolling out of the threaded hole. In addition, the steel balls can also greatly reduce the resistance of the gear shaft and the screw rod when the size is adjusted, the difficulty of adjusting the size is reduced, and the service life of the cutter part is prolonged. The limiting piece can also adopt a bearing, namely, a bearing inner ring is fixedly connected with a gear shaft or a screw rod, and a bearing outer ring is fixedly connected with a cutter holder; compared with the bearing, the limiting part structure of the embodiment has the advantage of convenient assembly and disassembly.
The working mode of the invention is as follows:
when the tool is set, the nut is loosened, the pressure applied on the tool apron by the nut and the fixed sleeve is relieved, and at the moment, the two sliding assemblies are in a loose state (namely, the two sliding block assemblies can slide to carry out position adjustment). The rotary gear shaft drives the first connecting key to move axially along the gear shaft on the one hand, and drives the screw rod to rotate through the gear pair on the other hand, and the screw rod drives the second connecting key to move axially along the screw rod when rotating. In the tool setting process, the double-edged tool debugging work can be completed only by ensuring the adjusting size of one tool bit, so that the debugging time is greatly saved, the tool setting efficiency is improved, and the size adjusting precision can be better ensured. After the tool setting is completed, the nut is screwed to fix the positions of the two sliding block assemblies, and then the cutting operation can be carried out on the workpiece hole.
Claims (10)
1. Linkage regulation twolip boring head cutter, its characterized in that: the tool comprises a tool apron (1) provided with a U-shaped through groove (1-1), a first sliding block assembly (2) and a second sliding block assembly (3) which are slidably positioned in the U-shaped through groove and provided with tool bits (7) at the outer sides respectively, a locking component for locking or loosening the two sliding block assemblies and a driving component for driving the two sliding block assemblies to synchronously move along opposite directions.
2. The gang adjustable double-edged boring head tool as claimed in claim 1, wherein: the locking component comprises a screw (4-1) penetrating through the tool apron and the two sliding block assemblies, a fixed sleeve (4-3) sleeved on the periphery of the screw and positioned between the tool apron and the head of the screw, and a nut (4-2) in threaded connection with the other end of the screw.
3. The gang adjustable double-edged boring head tool as claimed in claim 2, wherein: the driving component comprises a gear shaft (5-1) and a screw rod (5-2) which are parallel to each other and can be rotationally positioned on the tool apron, a first connecting key (5-3) with one end in threaded connection with the gear shaft and the other end in clamping connection with the first sliding assembly, and a second connecting key (5-4) with one end in threaded connection with the screw rod and the other end in clamping connection with the second sliding assembly; the gear shaft and the screw rod are in transmission connection through a gear pair.
4. The gang adjustable double-edged boring head tool as claimed in claim 3, wherein: and the gear shaft and the screw rod are both provided with limiting parts to prevent the gear shaft and the screw rod from axially moving.
5. The gang adjustable double-edged boring head tool as claimed in claim 4, wherein: the limiting piece comprises a first annular groove (5-7) arranged on the gear shaft or the screw rod, a second annular groove (5-8) arranged on the cutter holder and corresponding to the first annular groove in position, and a plurality of steel balls (5-9) arranged between the first annular groove and the second annular groove.
6. The gang adjustable double-edged boring head tool as claimed in claim 5, wherein: the outer wall of the cutter holder is provided with threaded holes (5-12) which are communicated with the second annular groove so as to be sequentially placed with steel balls; a headless screw (5-10) is detachably mounted in the threaded hole to prevent the steel ball from rolling out of the threaded hole.
7. The gang adjustable double-edged boring head tool as claimed in claim 6, wherein: the axes of the gear shaft and the screw rod are parallel to the moving directions of the two sliding block assemblies; the axis of the screw is perpendicular to the moving direction of the two sliding block assemblies.
8. The gang adjustable double-edged boring head tool as claimed in claim 7, wherein: the outer end faces of the gear shaft and the screw rod are provided with dials (6); and the outer surface of the cutter holder is provided with a marking line (8) for positioning the zero point of the dial.
9. The gang adjustable double-edged boring head tool as claimed in claim 8, wherein: the lead of the gear shaft and the lead screw are both 2 mm.
10. The gang adjustable double-edged boring head tool as claimed in claim 9, wherein: and 20 scribed lines are uniformly arranged on the dial face of the dial along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111404118.7A CN114012119A (en) | 2021-11-24 | 2021-11-24 | Linkage adjusting double-edge boring head cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111404118.7A CN114012119A (en) | 2021-11-24 | 2021-11-24 | Linkage adjusting double-edge boring head cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114012119A true CN114012119A (en) | 2022-02-08 |
Family
ID=80066097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111404118.7A Pending CN114012119A (en) | 2021-11-24 | 2021-11-24 | Linkage adjusting double-edge boring head cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114012119A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505510A (en) * | 2022-02-23 | 2022-05-17 | 浙江品上智能科技有限公司 | Double-tool-bit turning tool capable of finely adjusting and simultaneously turning |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4278372A (en) * | 1979-11-30 | 1981-07-14 | Fansteel Inc. | Adjustable boring bar mechanism |
| US6406225B1 (en) * | 2000-05-01 | 2002-06-18 | Stojan Stojanovski | Boring head assembly |
| CN1388769A (en) * | 2000-09-11 | 2003-01-01 | E.P.B.公司 | Boring head |
| US20120294685A1 (en) * | 2011-05-17 | 2012-11-22 | Andy Shozda | Dual blade boring tool assembly |
| CN202984708U (en) * | 2012-12-20 | 2013-06-12 | 浙江汉纳机械科技有限公司 | Boring cutter adjusting device |
| CN111266612A (en) * | 2020-03-20 | 2020-06-12 | 烟台艾迪精密机械股份有限公司 | Coarse-fine dual-mode adjustable boring cutter and using method thereof |
-
2021
- 2021-11-24 CN CN202111404118.7A patent/CN114012119A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4278372A (en) * | 1979-11-30 | 1981-07-14 | Fansteel Inc. | Adjustable boring bar mechanism |
| US6406225B1 (en) * | 2000-05-01 | 2002-06-18 | Stojan Stojanovski | Boring head assembly |
| CN1388769A (en) * | 2000-09-11 | 2003-01-01 | E.P.B.公司 | Boring head |
| US20120294685A1 (en) * | 2011-05-17 | 2012-11-22 | Andy Shozda | Dual blade boring tool assembly |
| CN202984708U (en) * | 2012-12-20 | 2013-06-12 | 浙江汉纳机械科技有限公司 | Boring cutter adjusting device |
| CN111266612A (en) * | 2020-03-20 | 2020-06-12 | 烟台艾迪精密机械股份有限公司 | Coarse-fine dual-mode adjustable boring cutter and using method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505510A (en) * | 2022-02-23 | 2022-05-17 | 浙江品上智能科技有限公司 | Double-tool-bit turning tool capable of finely adjusting and simultaneously turning |
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