CN117226542A - Center supporting mechanism for boring machine - Google Patents
Center supporting mechanism for boring machine Download PDFInfo
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- CN117226542A CN117226542A CN202311427945.7A CN202311427945A CN117226542A CN 117226542 A CN117226542 A CN 117226542A CN 202311427945 A CN202311427945 A CN 202311427945A CN 117226542 A CN117226542 A CN 117226542A
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- boring machine
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- 238000012856 packing Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention discloses a center supporting mechanism for a boring machine, which comprises an expansion sleeve, a positioning frame and a plurality of tensioning units, wherein the expansion sleeve is coaxially sleeved on a boring rod of the boring machine, the positioning frame is sleeved on the expansion sleeve and is rotationally connected with the expansion sleeve through a bearing, the plurality of tensioning units are uniformly distributed around the positioning frame along the circumferential direction of the expansion sleeve and are connected with the positioning frame, and the height of the tensioning units in the radial direction of the expansion sleeve is adjustable. The invention provides a center support mechanism for a boring machine, which can quickly finish alignment between a boring bar and a pipe fitting of the boring machine.
Description
Technical Field
The invention relates to the field of boring equipment. More particularly, the present invention relates to a center support mechanism for a boring machine.
Background
When the boring machine works, the boring bar rotates relative to the workpiece, and for smaller workpieces, the boring bar can be fixed through the two support frames, and in the large ship machining process, large pipe fittings are often required, and when the large pipe fittings are machined, the two support frames are difficult to fix, so that the boring bar needs to be rotatably arranged in the pipe fittings through the central support mechanism. However, the existing center supporting mechanism is complex in structure, and in the installation process, the boring bar position needs to be calibrated for a long time, so that the machining efficiency of the boring machine is affected.
Disclosure of Invention
The invention aims to provide a center support mechanism for a boring machine, which can quickly finish alignment between a boring bar and a pipe fitting of the boring machine.
To achieve these objects and other advantages and in accordance with the purpose of the invention, there is provided a center support mechanism for a boring machine, comprising a packing sleeve coaxially fitted over a boring bar of the boring machine, a positioning frame fitted over the packing sleeve and rotatably connected thereto by a bearing, and a plurality of packing units uniformly distributed around the positioning frame in a circumferential direction of the packing sleeve and connected thereto, the packing units being adjustable in height in a radial direction of the packing sleeve.
Preferably, in the center supporting mechanism for a boring machine, the tensioning unit includes a base, a lifting plate and a lifting assembly, the base is disposed on the positioning frame, and the lifting plate is disposed on a side of the base away from the positioning frame and connected with the base through the lifting assembly.
Preferably, in a center supporting mechanism for boring machine, lifting assembly include two wedge latch segment, positive and negative lead screw and a plurality of locating part, be equipped with first logical groove on the base, the diapire in first logical groove is by middle part orientation both ends slope, the lifter plate be close to the one end of base be equipped with first logical groove parallel second through groove, just the diapire in second through groove is by middle part orientation both ends slope, two the latch segment is followed the length direction slidable in first logical inslot, its both ends respectively with the diapire in first logical groove with the diapire in second through groove slides the laminating, two be equipped with respectively on the latch segment with the parallel threaded through hole in first logical groove, positive and negative lead screw runs through two respectively threaded through hole, its two sections screw thread respectively and with two latch segment threaded connection when positive and negative lead screw rotates, two the latch segment is close to each other or keeps away from each other, the lifter plate is followed through a plurality of the both can only make and be close to each other or keep away from each other through a plurality of threaded through the first logical groove.
Preferably, in the center supporting mechanism for a boring machine, an arc plate is disposed on a side of the lifting plate away from the base.
Preferably, in a center supporting mechanism for a boring machine, the limiting piece comprises a limiting rod, a spring and a limiting cylinder, an upper baffle and a lower baffle are respectively arranged at two ends of the limiting rod, the limiting rod penetrates through the base and the lifting plate, the lower baffle is connected with the positioning frame, the limiting cylinder and the spring are sleeved on the limiting rod, one end of the limiting rod is close to one end of the lifting plate, one end of the spring is in contact with the lower baffle, and the other end of the spring is in contact with the other end of the limiting cylinder.
Preferably, in the center supporting mechanism for the boring machine, connecting bearings are coaxially arranged in the threaded through holes, and the positive and negative screw rod penetrates through the connecting bearings and is in sliding connection with the inner ring of the positive and negative screw rod.
Preferably, in the center supporting mechanism for a boring machine, a limiting plate connected with the base is arranged on one side of the first through groove, a notch corresponding to the positive and negative screw rod is arranged on the limiting plate, one end of the positive and negative screw rod penetrates through the notch and can move in the notch, and a limiting block located on one side of the limiting plate, away from the base, is arranged on the positive and negative screw rod.
The center supporting mechanism is simple in structure, can quickly complete connection between the boring bar and the large pipe fitting, and can quickly adjust the position of the boring bar to enable the boring bar to be coaxial with the large pipe fitting.
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 center support mechanism according to the present invention;
FIG. 2 is a schematic view of the structure of the tensioning unit according to the present invention;
FIG. 3 is a schematic view of the connection of the base and the lifting assembly according to the present invention;
FIG. 4 is a schematic view of a lifting plate according to the present invention;
FIG. 5 is a schematic view of a locking block according to the present invention
Fig. 6 is a schematic diagram of the connection bearing and the forward and reverse wires 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 to 4, an embodiment of the present invention provides a center support mechanism for a boring machine, including a tightening sleeve 1, a positioning frame 2 and a plurality of tightening units 3, where the tightening sleeve 1 is coaxially sleeved on a boring bar of the boring machine, the positioning frame 2 is sleeved on the tightening sleeve 1 and rotationally connected with the tightening sleeve through a bearing 4, the plurality of tightening units 3 are uniformly distributed around the positioning frame 2 along the circumferential direction of the tightening sleeve 1 and connected with the positioning frame 2, and the height of the tightening units 3 in the radial direction of the tightening sleeve 1 is adjustable.
In the embodiment, the expansion sleeve 1 is coaxially sleeved on the boring bar of the boring machine, so that the positioning frame 2 and the boring bar are in rotary connection, the positioning frame 2 and the inner wall of the large pipe fitting are fixed through the plurality of expansion units 3, the axes of the boring bar and the large pipe fitting are overlapped by adjusting the height of each expansion unit 3 in the radial direction of the boring bar, and the boring bar is provided with the other supporting point except for the fixed supporting point.
Preferably, as another embodiment of the present invention, as shown in fig. 2, the tensioning unit 3 includes a base 5, a lifting plate 6, and a lifting assembly, the base 5 is disposed on the positioning frame 2, and the lifting plate 6 is disposed on a side of the base 5 away from the positioning frame 2 and is connected to the base 5 through the lifting assembly. As shown in fig. 2-4, the lifting assembly comprises two wedge-shaped locking blocks 7, a positive and negative screw rod 8 and a plurality of limiting members, a first through groove 10 is formed in the base 5, the bottom wall of the first through groove 10 is inclined from the middle part towards two ends, a second through groove 11 parallel to the first through groove 10 is formed in one end, close to the base 5, of the lifting plate 6, the bottom wall of the second through groove 11 is inclined from the middle part towards two ends, the two locking blocks 7 are slidably arranged in the first through groove 10 along the length direction of the first through groove 10, two ends of the locking blocks are respectively in sliding fit with the bottom wall of the first through groove 10 and the bottom wall of the second through groove 11, threaded through holes parallel to the first through groove 10 are respectively formed in the two locking blocks 7, the positive and negative screw rod 8 penetrates through the two threaded through holes respectively, the two sections of threads of the positive and negative screw rod 8 are respectively connected with the two locking blocks 7 in threaded connection, and when the screw rod 8 rotates, the two locking blocks 7 are mutually close to each other or are far away from the base 5 and can only be mutually far away from the positive and negative screw rod 8, and the positive and the negative screw rod 8 are mutually connected through the positive and the negative screw rod 6.
In this embodiment, in order to realize the height adjustment of the tensioning unit 3 in the radial direction of the boring bar, the bottom wall of the first through groove 10 is set to incline towards two ends in the middle, meanwhile, one end of the lifting plate 6 close to the base 5 is provided with the second through groove 11 parallel to the first through groove 10, the bottom wall of the second through groove 11 is set to incline towards two ends in the middle, at this time, two symmetrical spaces are formed between the first through groove 10 and the second through groove 11, two locking blocks 7 are wedge-shaped and are respectively arranged in the two spaces, two ends of each locking block 7 are respectively parallel to and slidingly attached to the bottom walls of the first through groove 10 and the second through groove 11 in the space where the locking blocks 7 are positioned, and the corresponding space of each locking block 7 can only slide along the length direction of the first through groove 10, so that when the lifting plate 6 rotates the positive and negative screw 8 by external force, the two locking blocks 7 are mutually close to or far away, and at this time, the distance between each lifting plate 6 and the base 5 can only be close to or far away from the base 5 under the limit of a plurality of limit pieces, so that the distance between the two locking blocks 7 can be moved up and the boring bar 6 can be adjusted in the radial direction of the boring bar 3, and the distance between the two units can be adjusted, and the height adjustment of the boring bar can be realized.
Preferably, as another embodiment of the present invention, as shown in fig. 2, an arc-shaped plate 12 is disposed on a side of the lifting plate 6 away from the base 5.
In this embodiment, the lifting plate 6 can be better attached to the inner wall of the large pipe fitting through the arc plate 12.
Preferably, as another embodiment of the present invention, the limiting member includes a limiting rod 13, a spring 14 and a limiting cylinder 15, two ends of the limiting rod 13 are respectively provided with an upper baffle and a lower baffle, the limiting rod 13 penetrates through the base 5 and the lifting plate 6, the lower baffle is connected with the positioning frame 2, the limiting cylinder 15 and the spring 14 are both sleeved on the limiting rod 13, one end of the limiting rod is connected with one end of the lifting plate 6 close to the base 5, one end of the spring 14 is in contact with the lower baffle, and the other end of the spring 14 is in contact with the other end of the limiting cylinder 15.
In this embodiment, the limiting cylinder 15 is connected to the lifting plate 6, and the limiting cylinder 15 is sleeved on the limiting rod 13, so that the limiting cylinder 15 is limited to slide only along the length direction of the limiting rod 13, and thus the relative movement between the base 5 and the lifting plate 6 is limited.
Preferably, as another embodiment of the present invention, as shown in fig. 5-6, the threaded through holes are coaxially provided with connecting bearings 17, and the positive and negative screw rods 8 pass through the connecting bearings 17 and are slidably connected with the inner rings thereof.
In this embodiment, by arranging the bearing between the front and back screw rod 8 and the locking block 7, the stability of the locking block 7 can be enhanced when the front and back screw rod 8 rotates to drive the locking block 7 to linearly move.
As another embodiment of the present invention, as shown in fig. 2 and 6, a limiting plate 16 connected to the base 5 is disposed on one side of the first through groove 10, a notch corresponding to the front and back screw rod 8 is disposed on the limiting plate 16, one end of the front and back screw rod 8 passes through the notch and can move in the notch, and a limiting block 18 located on one side of the limiting plate 16 away from the base 5 is disposed on the front and back screw rod 8.
In this embodiment, the limiting plate 16 and the limiting block 18 respectively serve as two limiting members when the two locking blocks 7 move away from each other and move close to each other, and can limit the moving track of the two locking blocks 7 in the first through groove 10 and the second through groove 11. 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 (7)
1. A center supporting mechanism for boring machine, its characterized in that includes tight cover (1) of expanding, locating frame (2) and a plurality of tight unit (3) that rise, tight cover (1) of expanding is coaxial to be established on the boring bar of boring machine, locating frame (2) cover is established tight cover (1) of expanding and rotate rather than being connected through bearing (4), a plurality of tight unit (3) that rise are in along the circumference equipartition of tight cover (1) of expanding around locating frame (2) and be connected with it, tight unit (3) that rises is in the radial height-adjustable of tight cover (1) that expands.
2. A central support mechanism for a boring machine according to claim 1, wherein the tensioning unit (3) comprises a base (5), a lifting plate (6) and a lifting assembly, the base (5) being arranged on the positioning frame (2), the lifting plate (6) being arranged on a side of the base (5) remote from the positioning frame (2) and being connected to the base (5) by the lifting assembly.
3. The center supporting mechanism for a boring machine according to claim 2, wherein the lifting assembly comprises two wedge-shaped locking blocks (7), a positive and negative screw rod (8) and a plurality of limiting parts, a first through groove (10) is formed in the base (5), the bottom wall of the first through groove (10) is inclined from the middle part towards two ends, one end of the lifting plate (6) close to the base (5) is provided with a second through groove (11) parallel to the first through groove (10), the bottom wall of the second through groove (11) is inclined from the middle part towards two ends, the two locking blocks (7) are slidably arranged in the first through groove (10), the two ends of the locking blocks are respectively attached to the bottom wall of the first through groove (10) and the bottom wall of the second through groove (11) in a sliding mode, threaded through holes parallel to the first through groove (10) are respectively formed in the two locking blocks (7), the positive and negative screw rod (8) are respectively connected with the two through holes (7) and can only be far away from each other through the two screw rods (7) when the two positive and negative screw rods (7) are connected with each other, and the two positive and the negative screw rods (7) are respectively far away from each other.
4. A central support mechanism for a boring machine according to claim 3, characterised in that the lifting plate (6) is provided with an arcuate plate (12) on the side remote from the base (5).
5. A central supporting mechanism for a boring machine according to claim 3, wherein the limiting member comprises a limiting rod (13), a spring (14) and a limiting cylinder (15), an upper baffle and a lower baffle are respectively arranged at two ends of the limiting rod (13), the limiting rod (13) penetrates through the base (5) and the lifting plate (6), the lower baffle is connected with the positioning frame (2), the limiting cylinder (15) and the spring (14) are sleeved on the limiting rod (13), one end of the limiting rod is connected with one end of the lifting plate (6) close to the base (5), one end of the spring (14) is in contact with the lower baffle, and the other end of the spring is in contact with the other end of the limiting cylinder (15).
6. A central support mechanism for a boring machine according to claim 3, wherein the threaded through holes are each coaxially provided with a connecting bearing (17), and the positive and negative screw rods (8) pass through the connecting bearings (17) and are slidably connected with the inner rings thereof.
7. A central support mechanism for a boring machine according to claim 3, wherein a limiting plate (16) connected with the base (5) is arranged on one side of the first through groove (10), a notch corresponding to the positive and negative screw rod (8) is arranged on the limiting plate (16), one end of the positive and negative screw rod (8) penetrates through the notch and can move in the notch, and a limiting block (18) positioned on one side of the limiting plate (16) away from the base (5) is arranged on the positive and negative screw rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311427945.7A CN117226542A (en) | 2023-10-31 | 2023-10-31 | Center supporting mechanism for boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311427945.7A CN117226542A (en) | 2023-10-31 | 2023-10-31 | Center supporting mechanism for boring machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117226542A true CN117226542A (en) | 2023-12-15 |
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ID=89082734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311427945.7A Pending CN117226542A (en) | 2023-10-31 | 2023-10-31 | Center supporting mechanism for boring machine |
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| Country | Link |
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| CN (1) | CN117226542A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201008988Y (en) * | 2007-03-26 | 2008-01-23 | 渤海船舶重工有限责任公司 | Boring spindle intermediate support device of large-scale equipment boring field processing |
| CN202162407U (en) * | 2011-06-09 | 2012-03-14 | 广州新成机械技术有限公司 | Portable boring machine |
| CN204584321U (en) * | 2015-04-29 | 2015-08-26 | 辽宁东宝集团船舶制造有限公司 | Boring equipment machine |
| CN209364101U (en) * | 2018-11-28 | 2019-09-10 | 佛山新成洪鼎机械技术有限公司 | A kind of Boring machine |
| CN113145900A (en) * | 2021-03-18 | 2021-07-23 | 上海外高桥造船有限公司 | Middle supporting device for boring stern shaft tube of large ship |
| CN114074256A (en) * | 2021-12-01 | 2022-02-22 | 永胜机械工业（昆山）有限公司 | Large inner diameter machining device for super-long workpiece of large circular tube |
| CN218109454U (en) * | 2022-09-13 | 2022-12-23 | 信丰康桥电子有限公司 | Depth-control milling equipment for printed circuit board |
-
2023
- 2023-10-31 CN CN202311427945.7A patent/CN117226542A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201008988Y (en) * | 2007-03-26 | 2008-01-23 | 渤海船舶重工有限责任公司 | Boring spindle intermediate support device of large-scale equipment boring field processing |
| CN202162407U (en) * | 2011-06-09 | 2012-03-14 | 广州新成机械技术有限公司 | Portable boring machine |
| CN204584321U (en) * | 2015-04-29 | 2015-08-26 | 辽宁东宝集团船舶制造有限公司 | Boring equipment machine |
| CN209364101U (en) * | 2018-11-28 | 2019-09-10 | 佛山新成洪鼎机械技术有限公司 | A kind of Boring machine |
| CN113145900A (en) * | 2021-03-18 | 2021-07-23 | 上海外高桥造船有限公司 | Middle supporting device for boring stern shaft tube of large ship |
| CN114074256A (en) * | 2021-12-01 | 2022-02-22 | 永胜机械工业（昆山）有限公司 | Large inner diameter machining device for super-long workpiece of large circular tube |
| CN218109454U (en) * | 2022-09-13 | 2022-12-23 | 信丰康桥电子有限公司 | Depth-control milling equipment for printed circuit board |
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