CN203236006U - Inner hole machining device used for large-diameter furnace tube - Google Patents
Inner hole machining device used for large-diameter furnace tube Download PDFInfo
- Publication number
- CN203236006U CN203236006U CN 201320271806 CN201320271806U CN203236006U CN 203236006 U CN203236006 U CN 203236006U CN 201320271806 CN201320271806 CN 201320271806 CN 201320271806 U CN201320271806 U CN 201320271806U CN 203236006 U CN203236006 U CN 203236006U
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- lower slider
- lathe
- upper bracket
- boring bar
- furnace pipe
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- Withdrawn - After Issue
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Abstract
The utility model relates to an inner hole machining device used for a large-diameter furnace tube. The inner hole machining device used for the large-diameter furnace tube comprises a lathe carriage, a chuck, a lower gliding base, an upper support, a boring bar and a fine-adjustment knife box, wherein the chuck is clamped on the large-diameter furnace tube in an axial rotating mode, the lower gliding base is arranged on the lathe carriage and capable of sliding in the Z direction of a lathe to be adjusted, the upper support is arranged on the lower gliding base and capable of sliding in the X direction of the lathe to be adjusted, the boring bar is supported on the upper support in the axial direction of the large-diameter furnace tube, and the fine-adjustment knife box is arranged at one end of the boring bar and corresponds to the large-diameter furnace tube. According to the inner hole machining device used for the large-diameter furnace tube, the upper support capable of moving in the X direction of the lathe to be adjusted and the lower gliding base capable of moving in the Z direction of the lathe to be adjusted are adopted to support the boring bar, large-size corresponding adjustment between the fine-adjustment knife box and the wall of an inner hole of the large-diameter furnace tube is achieved, all boring specification and size requirements are met, the structure is simple, working is stable and safe, the anti-vibration effect is good, machining accuracy is high, the adjustable workpiece boring size range is wide, and applicability is strong.
Description
Technical field
The utility model relates to a kind of inner bore machining device, is a kind of inner bore machining device of heavy caliber boiler tube specifically.
Background technology
Tradition adopts sizing boring head processing large-bore furnace pipe orifice, can only process the deep hole of respective interior bores size.Be 201120139035.5 disclosed heavy caliber alloy base roller boring devices such as the patent No., can regulate vibration proof box and fine-tuning joint tool slide in the installation of the circumference place of boring head, can regulate the vibration proof sleeper is installed on the vibration proof box, finely tune the fine setting that realization can be processed interior hole dimension by knife rest, prevent from processing simultaneously the vibration of circumferential size boring head when excessive by the vibration proof sleeper, its weak point is: during the processing big circumference, do under the stable condition guaranteeing borer, the magnitude relationship of knife rest and boring head circumference has retrained the size of knife rest, knife rest is inevitable much smaller than the boring head circumference, and the adjustable processing dimension scope of knife rest on the boring head circumference is little; In addition, by a plurality of vibration proof box and vibration proof sleepers regulated in the vibrationproof of boring head circumference adjusted, there is regulating error in a plurality of adjusting vibrationproof, are difficult to guarantee with the circularity uniformity of knife rest cutter on circumference, affect safety, steady operation and the boring precision of knife rest.
Summary of the invention
Can't take into account the deficiency of applicability, machining accuracy and vibrationproof for the endoporus processing of prior art Large diameter tubing, it is a kind of simple in structure that the utility model provides, working stability, safety, adjustable processing dimension scope is large, applicability is strong, can take into account the large-bore furnace pipe orifice processing unit (plant) of boring precision and vibrationproof requirement.
The technical solution adopted in the utility model is: a kind of large-bore furnace pipe orifice processing unit (plant) is characterized in that: comprising: the lathe saddle; Chuck, chuck are the axial rotation status of clamping large-bore furnace pipe; Lower slider, lower slider are arranged at and are on the lathe saddle along lathe Z-direction slidable adjustment state; Upper bracket, upper bracket are arranged at and are on the lower slider along lathe X-direction slidable adjustment state; Boring bar, boring bar are and axially are supported in the same way on the upper bracket with the large-bore furnace pipe; It is corresponding with the heavy caliber boiler tube that fine-adjustment cutter box, fine-adjustment cutter box are arranged at boring bar one end.
Further, described lathe saddle is provided with the supporting seat that supports the heavy caliber boiler tube, and supporting seat is arranged at and is on the lathe saddle along lathe Z-direction slidable adjustment state.
Further, described lower slider comprises front lower slider and rear lower slider, and front lower slider and rear lower slider are arranged at and are on the lathe saddle along lathe Z-direction slidable adjustment state; Upper bracket comprises front upper bracket and rami posterior superior seat, and front upper bracket and rami posterior superior seat are arranged at respectively and are on front lower slider and the rear lower slider along lathe X-direction slidable adjustment state; Boring bar is supported on front upper bracket and the rami posterior superior seat; Boring bar stretches out front upper bracket and is no more than 20mm.
Further, described boring bar cross-under brasses, brasses is connected on the upper bracket.
Further, described front upper bracket is connected in through front screw mandrel and is on the front lower slider along front screw mandrel direction slidable adjustment state on front lower slider; Described rami posterior superior seat through after screw mandrel be on the lower slider after being connected in along after the screw mandrel direction after slidable adjustment state on the lower slider, be equipped with the handwheel that drives rotation on the forward and backward screw mandrel;
Further, establish cutter in the described fine-adjustment cutter box, the positive drift angle of cutter is 75 °, and anterior angle is-10 °, and auxiliary angle is 8 °, and relief angle is-5 °, and front clearance is 4 °.
Again further, described boring bar is provided with the cooling fluid tube connector that is connected to fine-adjustment cutter box.
Adopt above technical scheme, the beneficial effect that the utility model reaches is:
1, the corresponding large-bore furnace pipe orifice of the cutter of fine-adjustment cutter box wall, moved along the lathe X-direction under the drive of upper bracket by boring bar, satisfy the boring of large-bore furnace pipe orifice diameter phi 500-φ 2000 and regulate, need not to do the sizing boring head, greatly save cost, easy to adjust; The tool sharpening large-bore furnace pipe orifice degree of depth of fine-adjustment cutter box moves realization along the lathe Z-direction by boring bar, the feed working stability under the drive of upper bracket at lower slider;
2, on upper bracket, brasses can reduce the mill amount of boring bar to boring bar, increases the service life, and guarantees stability of strutting system and boring bar service precision through the brasses support and connection; Boring bar is supported by forward and backward upper bracket, and exceeds front upper bracket and be no more than 20mm, and rigidity was strong when boring bar used, vibration is little, need not the vibrationproof facility, to processing work without the vibrationproof resistance, be conducive to improve the boring precision, alleviate lathe load, prolong life-span of lathe.
The utility model adopts and can move along lathe X-direction, Z-direction upper bracket and the lower slider support boring bar of adjusting, realize that fine-adjustment cutter box satisfies all size boring dimensional requirement with the corresponding adjusting of the large scale of large-bore furnace pipe orifice wall, it is simple in structure, working stability, safety, vibration-isolating effect is good, machining accuracy is high, and adjustable to add boring Chinese musical scale cun scope large, and applicability is strong.
Description of drawings
Fig. 1 is the utility model structural representation.
Among the figure: heavy caliber boiler tube 1, lathe 2, chuck 3, lathe saddle 4, supporting seat 5, rear lower slider 6, rami posterior superior seat 7, front lower slider 8, front upper bracket 9, screw mandrel 10, handwheel 11, brasses 12, boring bar 13, fine-adjustment cutter box 14, cooling fluid tube connector 15.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Shown in Figure 1, a kind of large-bore furnace pipe orifice processing unit (plant) comprises chuck 3, lathe saddle 4, supporting seat 5, rear lower slider 6, rami posterior superior seat 7, front lower slider 8, front upper bracket 9, screw mandrel 10, handwheel 11, brasses 12, boring bar 13, fine-adjustment cutter box 14 and cooling fluid tube connector 15.Heavy caliber boiler tube 1 one ends are connected on the chuck 3 of lathe 2, and heavy caliber boiler tube 1 other end is supported on the supporting seat 5, and supporting seat 5 is arranged on the lathe saddle 4 and is sliding mode; Front lower slider 8 and rear lower slider 6 are slidingly connected on the lathe saddle 4, upper bracket 9 before the screw mandrel 10 of band handwheel 11 connects on the front lower slider 8, front upper bracket 8 is along screw mandrel direction slidable adjustment state under screw mandrel drives, the screw mandrel of band handwheel connects rami posterior superior seat 7 on the rear lower slider 6, and rami posterior superior seat 7 is along screw mandrel direction slidable adjustment state under screw mandrel drives; Front upper bracket 8 and rami posterior superior seat 6 are provided with brasses 12, boring bar 13 be connected to be in the brasses 12 with heavy caliber boiler tube 1 axle center in the same way, boring bar 13 1 ends are provided with the fine-adjustment cutter box 14 of corresponding heavy caliber boiler tube 1 endoporus and stretch out front upper bracket 8 and are no more than 20mm, and the boring bar other end is provided with cooling fluid tube connector 15, and cooling fluid tube connector 15 is connected to fine-adjustment cutter box 14, establish cutter in the fine-adjustment cutter box, the positive drift angle of cutter is 75 °, and anterior angle is-10 °, and auxiliary angle is 8 °, relief angle is-5 °, and front clearance is 4 °.
The course of work of this device is:
1. the heavy caliber boiler tube is lifted on the lathe chuck, the other end is bearing on the supporting seat, proofreaies and correct heavy caliber boiler tube 1;
2. the cutter behind the sharpening is installed on the fine-adjustment cutter box, the positive drift angle of cutter is 75 °, and anterior angle is-10 °, and auxiliary angle is 8 °, and relief angle is-5 °, and front clearance is 4 °;
3. lock boring bar on forward and backward upper bracket, regulate fine-adjustment cutter box that forward and backward lower slider makes boring bar one end and correspond to the working depth of heavy caliber boiler tube, regulate forward and backward upper bracket by handwheel, screw mandrel again and drive boring bar and make X-direction and regulate and make the fine-adjustment cutter box of boring bar one end correspond to large-bore furnace pipe orifice wall;
4. start lathe the heavy caliber boiler tube is rotated counterclockwise, rotating speed is chosen according to the size of boiler tube diameter, and scope turns at 3-35/min, and diameter is large, and rotating speed selects low value, on the contrary the high value of choosing;
5. adjust the Tool in Cutting degree of depth, cutting depth selection range 5-10mm by fine-adjustment cutter box;
6. to the fine-adjustment cutter box cooling, flow is 10m3/min to the coolant pump of opening lathe, pressure 0.3MPa through the cooling fluid tube connector;
7. press the longitudinal feed mechanism of lathe saddle and do the Z-direction feeding, the amount of feeding is that 0.45mm/ turns, and requires and the endoporus size requirements until finish working depth.
Claims (8)
1. large-bore furnace pipe orifice processing unit (plant) is characterized in that: comprising:
The lathe saddle;
Chuck, chuck are the axial rotation status of clamping large-bore furnace pipe;
Lower slider, lower slider are arranged at and are on the lathe saddle along lathe Z-direction slidable adjustment state;
Upper bracket, upper bracket are arranged at and are on the lower slider along lathe X-direction slidable adjustment state;
Boring bar, boring bar are and axially are supported in the same way on the upper bracket with the large-bore furnace pipe;
It is corresponding with the heavy caliber boiler tube that fine-adjustment cutter box, fine-adjustment cutter box are arranged at boring bar one end.
2. large-bore furnace pipe orifice processing unit (plant) according to claim 1 is characterized in that: described lathe saddle is provided with the supporting seat that supports the heavy caliber boiler tube, and supporting seat is arranged at and is on the lathe saddle along lathe Z-direction slidable adjustment state.
3. large-bore furnace pipe orifice processing unit (plant) according to claim 1, it is characterized in that: described lower slider comprises front lower slider and rear lower slider, front lower slider and rear lower slider are arranged at and are on the lathe saddle along lathe Z-direction slidable adjustment state; Upper bracket comprises front upper bracket and rami posterior superior seat, and front upper bracket and rami posterior superior seat are arranged at respectively and are on front lower slider and the rear lower slider along lathe X-direction slidable adjustment state; Boring bar is supported on front upper bracket and the rami posterior superior seat.
4. according to claim 1 or 3 described large-bore furnace pipe orifice processing unit (plant)s, it is characterized in that: described boring bar cross-under brasses, brasses is connected on the upper bracket.
5. large-bore furnace pipe orifice processing unit (plant) according to claim 3, it is characterized in that: described front upper bracket is connected in through front screw mandrel and is on the front lower slider along front screw mandrel direction slidable adjustment state on front lower slider; Described rami posterior superior seat through after screw mandrel be on the lower slider after being connected in along after the screw mandrel direction after slidable adjustment state on the lower slider, be equipped with the handwheel that drives rotation on the forward and backward screw mandrel.
6. large-bore furnace pipe orifice processing unit (plant) according to claim 1, it is characterized in that: establish cutter in the described fine-adjustment cutter box, the positive drift angle of cutter is 75 °, and anterior angle is-10 °, and auxiliary angle is 8 °, and relief angle is-5 °, and front clearance is 4 °.
7. large-bore furnace pipe orifice processing unit (plant) according to claim 1, it is characterized in that: described boring bar is provided with the cooling fluid tube connector that is connected to fine-adjustment cutter box.
8. large-bore furnace pipe orifice processing unit (plant) according to claim 3, it is characterized in that: described boring bar stretches out front upper bracket and is no more than 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320271806 CN203236006U (en) | 2013-05-20 | 2013-05-20 | Inner hole machining device used for large-diameter furnace tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320271806 CN203236006U (en) | 2013-05-20 | 2013-05-20 | Inner hole machining device used for large-diameter furnace tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203236006U true CN203236006U (en) | 2013-10-16 |
Family
ID=49313340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320271806 Withdrawn - After Issue CN203236006U (en) | 2013-05-20 | 2013-05-20 | Inner hole machining device used for large-diameter furnace tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203236006U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286347A (en) * | 2013-05-20 | 2013-09-11 | 江苏久保联实业有限公司 | Machining device for inner holes of large-diameter furnace tubes |
| CN106475596A (en) * | 2016-12-09 | 2017-03-08 | 中国有色(沈阳)泵业有限公司 | Casing bore hole tool |
| CN107008924A (en) * | 2017-04-26 | 2017-08-04 | 哈尔滨汽轮机厂有限责任公司 | A kind of million nuclear power subsidiary engine large diameter pipe fittings block processing method and device |
| CN117754010A (en) * | 2024-02-21 | 2024-03-26 | 江苏久保联实业有限公司 | boring cutter device with variable boring diameter for furnace tube |
-
2013
- 2013-05-20 CN CN 201320271806 patent/CN203236006U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103286347A (en) * | 2013-05-20 | 2013-09-11 | 江苏久保联实业有限公司 | Machining device for inner holes of large-diameter furnace tubes |
| CN106475596A (en) * | 2016-12-09 | 2017-03-08 | 中国有色(沈阳)泵业有限公司 | Casing bore hole tool |
| CN106475596B (en) * | 2016-12-09 | 2018-04-03 | 中国有色(沈阳)泵业有限公司 | Casing bore hole tool |
| CN107008924A (en) * | 2017-04-26 | 2017-08-04 | 哈尔滨汽轮机厂有限责任公司 | A kind of million nuclear power subsidiary engine large diameter pipe fittings block processing method and device |
| CN107008924B (en) * | 2017-04-26 | 2019-01-04 | 哈尔滨汽轮机厂有限责任公司 | Million nuclear power subsidiary engine large diameter pipe fittings of one kind truncation processing method and device |
| CN117754010A (en) * | 2024-02-21 | 2024-03-26 | 江苏久保联实业有限公司 | boring cutter device with variable boring diameter for furnace tube |
| CN117754010B (en) * | 2024-02-21 | 2024-06-04 | 江苏久保联实业有限公司 | Boring cutter device with variable boring diameter for furnace tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131016 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |