CN117260348B - Feed mechanism for boring machine - Google Patents
Feed mechanism for boring machine Download PDFInfo
- Publication number
- CN117260348B CN117260348B CN202311427948.0A CN202311427948A CN117260348B CN 117260348 B CN117260348 B CN 117260348B CN 202311427948 A CN202311427948 A CN 202311427948A CN 117260348 B CN117260348 B CN 117260348B
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- China
- Prior art keywords
- bottom plate
- moving plate
- plate
- output shaft
- threaded
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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.)
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/28—Electric drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/013—Control or regulation of feed movement
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a feed mechanism for a boring machine, which comprises a bottom plate, a moving plate, a screw rod, a worm gear reducer, a servo motor, a limiting unit, an elastic clearance eliminating unit and a boring cutter, wherein the moving plate is arranged in parallel with the bottom plate and is connected with the bottom plate through the limiting unit, the elastic clearance eliminating unit is arranged between the moving plate and the bottom plate and is respectively connected with the moving plate so as to apply acting force close to the bottom plate to the moving plate, the worm gear reducer and the servo motor are both arranged on the bottom plate and are in transmission connection, an output shaft of the worm gear reducer is hollow, threads are arranged on the inner wall of the output shaft, one end of the screw rod is coaxially arranged in the output shaft and in threaded connection with the output shaft, the other end of the screw rod is in abutting contact with one end of the moving plate close to the bottom plate, and the boring cutter is detachably arranged at one end of the moving plate far away from the bottom plate. The invention provides a feed mechanism for a boring machine, which has a simple structure and small occupied space, and can ensure the accuracy of feeding a cutter head by applying a pretightening force.
Description
Technical Field
The present invention relates to the field of boring tools. More particularly, the present invention relates to a feed mechanism for a boring machine.
Background
In large ship processing, large pipes are often required, and cylinders are sleeved on the pipes. When a large pipe fitting is machined by a boring machine, an annular groove body needs to be machined on the periphery of the pipe fitting and the periphery of a cylinder at the same time, and the depth of the annular groove body needs to be adjusted to adjust the position of a cutter head. However, because of the limited processing space, a smaller-sized feed mechanism is required to achieve the feed of the bit position.
Disclosure of Invention
The invention aims to provide a feed mechanism for a boring machine, which has a simple structure and small occupied space, and can ensure the accuracy of feeding a cutter head by applying pretightening force.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a feed mechanism for a boring machine, comprising a base plate, a moving plate, a screw, a worm gear reducer, a servo motor, a limiting unit, an elastic backlash unit and a boring cutter, wherein the moving plate is arranged in parallel with the base plate and is connected with the base plate through the limiting unit, the elastic backlash unit is arranged between the moving plate and the base plate and is respectively connected with the moving plate and the base plate so as to apply a force close to the base plate to the moving plate, the worm gear reducer and the servo motor are both arranged on the base plate and are in driving connection, an output shaft of the worm gear reducer is hollow, threads are arranged on the inner wall of the worm gear reducer, one end of the screw is coaxially arranged in the output shaft and in threaded connection with the output shaft, the other end of the screw is in contact with one end of the moving plate close to the base plate, and the boring cutter is detachably arranged at one end of the moving plate away from the base plate.
Preferably, in the feeding mechanism for a boring machine, a positioning groove is formed in the middle of one end of the moving plate, which is close to the bottom plate, a positioning piece corresponding to the positioning groove is arranged at the other end of the screw rod, and the positioning piece is embedded in the positioning groove.
Preferably, in the feed mechanism for a boring machine, the feed mechanism further comprises a locking bolt, a threaded hole corresponding to the locking bolt is formed in the middle of the other end of the screw rod, a mounting through hole corresponding to the threaded hole is formed in the positioning piece, and the locking bolt penetrates through the mounting through hole and is installed in the threaded hole in a threaded mode.
Preferably, the feeding mechanism for the boring machine further comprises two limiting blocks, wherein two notches are formed in the positioning piece, one ends of the two limiting blocks are respectively embedded into the two notches, and the other ends of the two limiting blocks extend out of the notches respectively.
Preferably, in the feeding mechanism for a boring machine, the limiting unit includes a plurality of groups of limiting assemblies, the limiting assemblies include a guide post, a guide post base and a shaft sleeve, the guide post is disposed on the bottom plate through the guide post base, the shaft sleeve is coaxially and slidably sleeved on the guide post, and the shaft sleeve penetrates through the moving plate and is connected with the moving plate.
Preferably, in the feeding mechanism for a boring machine, the elastic anti-backlash unit includes two groups of elastic anti-backlash components, the two groups of elastic anti-backlash components are respectively disposed at two sides of the screw, the elastic anti-backlash components include two connecting pieces and a connecting spring, the two connecting pieces are respectively connected with the bottom plate and the movable plate, and the connecting spring is disposed between the two connecting pieces and is respectively connected with the two connecting pieces.
Preferably, in the feeding mechanism for the boring machine, one end of the moving plate, which is far away from the bottom plate, is provided with a strip-shaped through groove corresponding to the boring cutter, the boring cutter is slidably arranged in the strip-shaped through groove, a plurality of threaded through holes are uniformly distributed on the inner wall of the strip-shaped through groove, and positioning bolts are installed in the threaded through holes in a threaded mode.
The cutter feeding mechanism provided by the invention occupies a small space, and the elastic clearance eliminating unit applies pretightening force, so that the moving plate is tightly attached to the screw rod all the time in the moving process, and the cutter feeding accuracy of the cutter head is ensured.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of a feed mechanism according to the present invention;
FIG. 2 is a schematic view of the feed mechanism of the present invention with the moving plate removed;
FIG. 3 is a schematic view of a mobile plate according to the present invention;
FIG. 4 is a schematic view of the structure of the screw according to the present invention;
fig. 5 is a schematic structural view of an elastic anti-backlash assembly according to the present invention.
Detailed Description
The present invention is described in further detail below with reference to the drawings to enable those skilled in the art to practice the invention by referring to the description.
It should be noted that, in the description of the present invention, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1-2, an embodiment of the present invention provides a feeding mechanism for a boring machine, including a bottom plate 1, a moving plate 2, a screw 3, a worm gear reducer 4, a servo motor 5, a limiting unit, an elastic clearance eliminating unit and a boring cutter 6, where the moving plate 2 is parallel to the bottom plate 1 and connected with the bottom plate 1 through the limiting unit, the elastic clearance eliminating unit is disposed between the moving plate 2 and the bottom plate 1 and connected with the moving plate and applies a force close to the bottom plate 1 to the moving plate 2, the worm gear reducer 4 and the servo motor 5 are both disposed on the bottom plate 1 and in transmission connection with each other, an output shaft of the worm gear reducer 4 is hollow, threads are disposed on an inner wall of the worm gear reducer, one end of the screw 3 is coaxially disposed in the output shaft and in threaded connection with the output shaft, the other end of the screw abuts against one end of the moving plate 2 close to the bottom plate 1, and the boring cutter 6 is detachably disposed at one end of the moving plate 2 away from the bottom plate 1.
In this embodiment, the servo motor 5 drives the worm gear reducer 4 to work, the output shaft of the worm gear reducer 4 rotates to drive the screw 3 to rotate, but the other end of the screw 3 is connected with the moving plate 2, and the moving plate 2 can only move close to or away from the base plate 1 under the limit of the limiting unit, so that the screw 3 cannot rotate along with the output shaft at this time, when the output shaft rotates, the threaded rod only moves linearly along the axial direction, that is, the threaded rod drives the moving plate 2 to move close to or away from the base plate 1 at this time, so that the position of the moving plate 2, that is, the position of the tool bit, is adjusted under the condition that the position of the base plate 1 is fixed. In this embodiment, when the moving plate 2 is required to move away from the bottom plate 1, the threaded rod moves away from the worm gear reducer 4 to jack up the moving plate 2 for movement therewith. When the movable plate 2 is required to move close to the bottom plate 1, the threaded rod is in contact with the worm gear reducer 4 when the threaded rod moves, and the movable plate 2 cannot move along with the threaded rod at the moment due to contact connection between the threaded rod and the movable plate 2, so that an elastic gap eliminating unit is arranged between the movable plate 2 and the bottom plate 1, acting force close to the bottom plate 1 is applied to the movable plate 2 through the elastic gap eliminating unit, no matter whether the threaded rod moves close to or away from the worm gear reducer 4, the bottom plate 1 and the movable plate 2 are always in contact with each other, and therefore, when the threaded rod moves, the movable plate 2 can also move accurately.
Preferably, as another embodiment of the present invention, as shown in fig. 3, a positioning groove 7 is provided in the middle of one end of the moving plate 2 near the bottom plate 1, a positioning piece 8 corresponding to the positioning groove 7 is provided at the other end of the screw 3, and the positioning piece 8 is embedded in the positioning groove 7.
In this embodiment, the structure of the positioning groove 7 is matched with the positioning piece 8, and the positioning piece 8 is embedded in the positioning groove 7, so that the interference connection between the moving plate 2 and the screw 3 is realized. In order to avoid that the positioning member 8 rotates in the positioning groove 7 to cause the moving plate 2 to rotate relatively when the screw 3 rotates, as one of the specific implementation structures, as shown in fig. 4, the positioning member 8 further comprises two limiting blocks 10, two notches are arranged on the positioning member 8, one ends of the two limiting blocks 10 are respectively embedded in the two notches, and the other ends of the two limiting blocks extend out of the notches.
Preferably, as another embodiment of the present invention, as shown in fig. 4, the locking device further comprises a locking bolt 9, a threaded hole corresponding to the locking bolt 9 is provided in the middle of the other end of the screw 3, a mounting through hole corresponding to the threaded hole is provided on the positioning piece 8, and the locking bolt 9 passes through the mounting through hole and is threadedly mounted in the threaded hole.
In this embodiment, the positioning element 8 is fixed to the threaded rod by means of a connection between the locking bolt 9 and the threaded rod.
Preferably, as another embodiment of the present invention, as shown in fig. 2, the limiting unit includes a plurality of sets of limiting assemblies 11, the limiting assemblies 11 include a guide post 12, a guide post base and a shaft sleeve 13, the guide post 12 is disposed on the bottom plate 1 through the guide post base, the shaft sleeve 13 is coaxially and slidably sleeved on the guide post 12, and the shaft sleeve 13 penetrates through the moving plate 2 and is connected with the moving plate.
In this embodiment, the guide post 12 defines the movement track of the shaft sleeve 13, and then the shaft sleeve 13 drives the moving plate 2 to move, so that the movement track of the moving plate 2 can be defined. In a specific arrangement, the guide posts 12 are arranged parallel to the screw 3.
Preferably, as another embodiment of the present invention, as shown in fig. 5, the elastic anti-backlash unit includes two groups of elastic anti-backlash components 14, the two groups of elastic anti-backlash components 14 are respectively disposed at two sides of the screw 3, the elastic anti-backlash components 14 include two connecting pieces and connecting springs, the two connecting pieces are respectively connected with the base plate 1 and the moving plate 2, and the connecting springs are disposed between the two connecting pieces and are respectively connected with the two connecting pieces.
In this embodiment, the connecting spring is in tension, thereby exerting a force on the moving plate 2, creating a pre-tension on the moving plate 2.
Preferably, as another embodiment of the present invention, a strip-shaped through groove 15 corresponding to the boring cutter 6 is provided at an end of the moving plate 2 away from the bottom plate 1, the boring cutter 6 is slidably disposed in the strip-shaped through groove 15, a plurality of threaded through holes 16 are uniformly distributed on an inner wall of the strip-shaped through groove 15, and positioning bolts are installed in the threaded through holes 16 in a threaded manner.
In this embodiment, the position of the boring cutter 6 can be adjusted by adjusting the position of the boring cutter 6 in the strip-shaped through groove 15.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown, it is well suited to various fields of use for which the invention is suited, and further modifications may be readily made by one skilled in the art, and the invention is therefore not to be limited to the particular details and examples shown and described herein, without departing from the general concepts defined by the claims and the equivalents thereof.
Claims (2)
1. The feed mechanism for the boring machine is characterized by comprising a bottom plate (1), a moving plate (2), a screw (3), a worm gear reducer (4), a servo motor (5), a limiting unit, an elastic clearance eliminating unit and a boring cutter (6); the movable plate (2) is arranged in parallel with the bottom plate (1), wherein the movable plate (2) is connected with the bottom plate (1) through a limiting unit; the limiting unit comprises a plurality of groups of limiting assemblies (11), wherein the limiting assemblies (11) comprise guide posts (12), guide post bases and shaft sleeves (13); the guide post (12) is fixedly connected with the bottom plate (1) through a guide post base, and the shaft sleeve (13) is coaxially and slidably sleeved on the guide post (12); the elastic anti-backlash unit comprises two groups of elastic anti-backlash components (14), wherein the two groups of elastic anti-backlash components (14) are respectively arranged at two sides of the screw (3); the elastic gap eliminating unit is arranged between the movable plate (2) and the bottom plate (1), and two ends of the elastic gap eliminating unit are respectively connected with the movable plate (2) and the bottom plate (1); the worm and gear speed reducer (4) and the servo motor (5) are fixedly arranged on the bottom plate (1), and the worm and gear speed reducer (4) is in transmission connection with the servo motor (5); the output shaft of the worm gear reducer (4) is arranged in a hollow mode, and one end of the screw rod (3) is coaxially arranged in the output shaft and is in threaded connection with the output shaft; one end, far away from the output shaft, of the screw (3) is provided with a positioning piece (8), and a positioning groove (7) corresponding to the positioning piece (8) is formed in the bottom of the moving plate (2); the positioning piece (8) is embedded in the positioning groove (7); the boring cutter (6) is detachably arranged at the upper end of the movable plate (2); the top end of the positioning piece (8) is provided with a mounting through hole, wherein a threaded hole communicated with the mounting through hole is formed in the middle position of one end, close to the positioning piece (8), of the screw rod (3); a locking bolt (9) is arranged in the mounting through hole, and the locking bolt (9) penetrates through the mounting through hole and is in threaded connection with the threaded hole; two gaps are symmetrically formed on two sides of the positioning piece (8), and a limiting block (10) is embedded in each gap; one end of the limiting block (10) is fixedly connected with the notch of the positioning piece (8), and the other end of the limiting block (10) extends outwards.
2. A feed mechanism for a boring machine according to claim 1, characterized in that a strip-shaped through groove (15) corresponding to the boring cutter (6) is formed in the top end of the moving plate (2), wherein the boring cutter (6) is slidably arranged in the strip-shaped through groove; a plurality of threaded through holes (16) are uniformly distributed on the inner wall of the strip-shaped through groove (15), and positioning bolts are arranged in the threaded through holes (16) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311427948.0A CN117260348B (en) | 2023-10-31 | 2023-10-31 | Feed mechanism for boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311427948.0A CN117260348B (en) | 2023-10-31 | 2023-10-31 | Feed mechanism for boring machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117260348A CN117260348A (en) | 2023-12-22 |
| CN117260348B true CN117260348B (en) | 2024-04-16 |
Family
ID=89201036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311427948.0A Active CN117260348B (en) | 2023-10-31 | 2023-10-31 | Feed mechanism for boring machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117260348B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4037497A (en) * | 1975-09-09 | 1977-07-26 | Fritz Angst | Tool holder with fine infeed |
| CN2097702U (en) * | 1991-06-20 | 1992-03-04 | 武进机床数控设备厂 | Electric knife rest |
| CN210046359U (en) * | 2019-05-06 | 2020-02-11 | 奥戈恩（广州）泵业有限公司 | Blade adjusting device |
| CN213105748U (en) * | 2020-09-27 | 2021-05-04 | 成都岷江精密刀具有限公司 | Positioning device for cutter |
| CN215786976U (en) * | 2021-09-18 | 2022-02-11 | 方黛妮 | Accurate positioner of circular well lid milling machine |
| CN219074407U (en) * | 2022-11-16 | 2023-05-26 | 常州善镁精密机械有限公司 | Numerical control cutter for improving stability for machining |
| CN116460351A (en) * | 2023-03-13 | 2023-07-21 | 上海通晟海洋科技有限公司 | Cutting equipment and cutting method for large-diameter steel pipe pile |
| CN116833439A (en) * | 2023-07-11 | 2023-10-03 | 上海外高桥造船有限公司 | Boring device for stern shaft of ship |
-
2023
- 2023-10-31 CN CN202311427948.0A patent/CN117260348B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4037497A (en) * | 1975-09-09 | 1977-07-26 | Fritz Angst | Tool holder with fine infeed |
| CN2097702U (en) * | 1991-06-20 | 1992-03-04 | 武进机床数控设备厂 | Electric knife rest |
| CN210046359U (en) * | 2019-05-06 | 2020-02-11 | 奥戈恩（广州）泵业有限公司 | Blade adjusting device |
| CN213105748U (en) * | 2020-09-27 | 2021-05-04 | 成都岷江精密刀具有限公司 | Positioning device for cutter |
| CN215786976U (en) * | 2021-09-18 | 2022-02-11 | 方黛妮 | Accurate positioner of circular well lid milling machine |
| CN219074407U (en) * | 2022-11-16 | 2023-05-26 | 常州善镁精密机械有限公司 | Numerical control cutter for improving stability for machining |
| CN116460351A (en) * | 2023-03-13 | 2023-07-21 | 上海通晟海洋科技有限公司 | Cutting equipment and cutting method for large-diameter steel pipe pile |
| CN116833439A (en) * | 2023-07-11 | 2023-10-03 | 上海外高桥造船有限公司 | Boring device for stern shaft of ship |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117260348A (en) | 2023-12-22 |
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