CN203863100U - Pipe end milling cutter of nuclear power radiating pipe - Google Patents
Pipe end milling cutter of nuclear power radiating pipe Download PDFInfo
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- CN203863100U CN203863100U CN201420282901.XU CN201420282901U CN203863100U CN 203863100 U CN203863100 U CN 203863100U CN 201420282901 U CN201420282901 U CN 201420282901U CN 203863100 U CN203863100 U CN 203863100U
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Abstract
The utility model discloses a pipe end milling cutter of a nuclear power radiating pipe, and relates to a milling cutter. The pipe end milling cutter aims at solving the problem that no special tool can flatten a pipe end plane in a welding position of a pipe end of a radiating pipe. A nut is connected with a first cylinder via screw threads; a locating sleeve is arranged on a second cylinder; a milling cutter counter bored hole and a milling cutter threaded hole are formed in a milling cutter part; the milling cutter part is mounted on a third cylinder in a sleeving manner via the milling cutter counter bored hole, and mounted on a fourth cylinder in a sleeving manner via the milling cutter threaded hole; an adjusting sleeve is mounted on the milling cutter part in a sleeving manner; the adjusting sleeve and the milling cutter part are arranged at an interval; a bearing and a supporting sleeve are sequentially mounted on a central spindle in a sleeving manner; the bearing, the supporting sleeve and the central spindle are arranged at intervals; the adjusting sleeve, the bearing and the supporting sleeve are axially connected into a whole; the bearing is arranged between the adjusting sleeve and the supporting sleeve; a spring collar is arranged in the adjusting sleeve; the supporting sleeve is connected with a fifth cylinder of the central spindle via screw threads; four grooves are formed in the external circumference surface of the fifth cylinder; and a set screw penetrates through the supporting sleeve and is detachably connected in the grooves of the fifth cylinder. The pipe end milling cutter is used for milling a pipe end plane of the nuclear power radiating pipe.
Description
Technical field
The utility model relates to a kind of cutter, belongs to machining tool technical field.
Background technology
Nuclear power radiating tube is assemblied in tube sheet parts tubesheet holes, then radiating tube pipe end and Tube-sheet Welding one, need equating pipe end plane, and this step is the mode that adopts hand grinding always after this welding assembly welding, not only working (machining) efficiency is low, and crudy is also not ideal enough.
Utility model content
The purpose of this utility model is to provide a kind of nuclear power radiating tube pipe end milling cutter, does not have specific purpose tool to go the problem of equating pipe end plane to solve the welding position of radiating tube pipe end.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be: described a kind of nuclear power radiating tube pipe end milling cutter comprises mandrel, positioning sleeve, adjusting sleeve, support set, milling cutter, bearing, nut, check ring and holding screw, described mandrel one end is by all-in-one-piece the first cylinder processed successively, the second cylinder, three cylindrical body, the 4th cylinder and the 5th cylinder composition, on the outer circumference surface of the described mandrel other end, be processed with symmetrically arranged two planes, described the first cylinder, the second cylinder, three cylindrical body, the 4th cylinder and the 5th cylinder coaxially arrange, described the first cylindrical diameter, the second cylindrical diameter, the diameter of three cylindrical body, the 4th cylindrical diameter and the 5th cylindrical diameter increase from left to right successively, between the first cylinder and the second cylinder, be processed with the first cannelure, between the second cylinder and three cylindrical body, be processed with the second cannelure, between three cylindrical body and the 4th cylinder, be processed with the 3rd cannelure, between the 4th cylinder and the 5th cylinder, be processed with the 4th cannelure, described nut is threaded with the first cylinder, on described the second cylinder, be set with positioning sleeve, described three cylindrical body is transition axle journal, on described milling cutter, be processed with milling cutter counterbore and milling cutter screwed hole, described milling cutter counterbore and milling cutter screwed hole are communicated as one, described milling cutter is sleeved on three cylindrical body by milling cutter counterbore and is sleeved on the 4th cylinder by milling cutter screwed hole, milling cutter and three cylindrical body space arrange, milling cutter is threaded with the 4th cylinder, described adjusting sleeve is sleeved on milling cutter and with milling cutter gap and arranges, described bearing and support set are sleeved on successively on mandrel and with mandrel gap and arrange, described adjusting sleeve, bearing and support set axially connect as one, described bearing is arranged between adjusting sleeve and support set, described check ring is arranged in adjusting sleeve, described support set is threaded with the 5th cylinder of mandrel, on described the 5th cylindrical outer circumference surface, be processed with four grooves, described holding screw is detachably connected in the 5th cylindrical groove through support set.
The utlity model has following beneficial effect:
1, the utility model is the dedicated tool that is used in nuclear power radiating tube pipe end, replace the mode of traditional-handwork grinding, make working (machining) efficiency improve 20%～40%, the nuclear power radiating tube pipe end plane quality after processing is good, can ensure that each radiating tube pipe end length dimension is consistent after processing.
2, by positioning sleeve, the utility model is positioned in the pipe end plane of nuclear power radiating tube, milling cutter radial location precision is reached in 0.05mm, reduced the vibration in milling cutter process; Adjusting sleeve extension elongation can be adjusted according to concrete processing request, can meet the processing of different nuclear power radiating tube pipe end length; The setting of nut is in order to prevent that positioning sleeve from departing from mandrel; The effect of support set is in order to locate, support adjusting sleeve.
3, the utility model is reasonable in design, simple in structure, easy to operate.
Brief description of the drawings
Fig. 1 is main TV structure profile of the present utility model, Fig. 2 is main TV structure installation diagram of the present utility model, Fig. 3 is the left TV structure schematic diagram of Fig. 1, Fig. 4 is the main TV structure schematic diagram of mandrel 1, Fig. 5 is the right TV structure schematic diagram of Fig. 4, Fig. 6 is the main TV structure schematic diagram of nut 7, Fig. 7 is the main TV structure profile of nut 7, Fig. 8 is the left TV structure schematic diagram of Fig. 6, Fig. 9 is the main TV structure profile of positioning sleeve 2, Figure 10 is the main TV structure schematic diagram of adjusting sleeve 3, Figure 11 is the left TV structure schematic diagram of Figure 10, Figure 12 is the main TV structure profile of support set 4, Figure 13 is the right TV structure schematic diagram of Figure 12, Figure 14 is the main TV structure schematic diagram of milling cutter 5, Figure 15 is the left TV structure schematic diagram of Figure 14.
Detailed description of the invention
Detailed description of the invention one: in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, Figure 11, Figure 12, Figure 13, Figure 14 and Figure 15 illustrate present embodiment, and described in present embodiment, a kind of nuclear power radiating tube pipe end milling cutter comprises mandrel 1, positioning sleeve 2, adjusting sleeve 3, support set 4, milling cutter 5, bearing 6, nut 7, check ring 8 and holding screw 9, described mandrel 1 one end is by all-in-one-piece the first cylinder 1-1 processed successively, the second cylinder 1-2, three cylindrical body 1-3, the 4th cylinder 1-4 and the 5th cylinder 1-5 composition, be processed with symmetrically arranged two planes, described the first cylinder 1-1 on the outer circumference surface of described mandrel 1 other end, the second cylinder 1-2, three cylindrical body 1-3, the 4th cylinder 1-4 and the 5th cylinder 1-5 coaxially arrange, the diameter of described the first cylinder 1-1, the diameter of the second cylinder 1-2, the diameter of three cylindrical body 1-3, the diameter of the diameter of the 4th cylinder 1-4 and the 5th cylinder 1-5 increases from left to right successively, between the first cylinder 1-1 and the second cylinder 1-2, be processed with the first cannelure 10, between the second cylinder 1-2 and three cylindrical body 1-3, be processed with the second cannelure 11, between three cylindrical body 1-3 and the 4th cylinder 1-4, be processed with the 3rd cannelure 12, between the 4th cylinder 1-4 and the 5th cylinder 1-5, be processed with the 4th cannelure 13, described nut 7 is threaded with the first cylinder 1-1, on described the second cylinder 1-2, be set with positioning sleeve 2, described three cylindrical body 1-3 is transition axle journal, on described milling cutter 5, be processed with milling cutter counterbore 5-1 and milling cutter screwed hole 5-2, described milling cutter counterbore 5-1 and milling cutter screwed hole 5-2 are communicated as one, described milling cutter 5 is sleeved on three cylindrical body 1-3 by milling cutter counterbore 5-1 and is sleeved on the 4th cylinder 1-4 by milling cutter screwed hole 5-2, milling cutter 5 and three cylindrical body 1-3 gap arrange, milling cutter 5 is threaded with the 4th cylinder 1-4, described adjusting sleeve 3 is sleeved on milling cutter 5 and with milling cutter 5 gaps and arranges, described bearing 6 and support set 4 are sleeved on successively on mandrel 1 and with mandrel 1 gap and arrange, described adjusting sleeve 3, bearing 6 and support set 4 axially connect as one, described bearing 6 is arranged between adjusting sleeve 3 and support set 4, described check ring 8 is arranged in adjusting sleeve 3, described support set 4 is threaded with the 5th cylinder 1-5 of mandrel 1, on the outer circumference surface of described the 5th cylinder 1-5, be processed with four grooves 14, described holding screw 9 is detachably connected in the groove 14 of the 5th cylinder 1-5 through support set 4.
Nut 7 described in present embodiment is assemblied in the left end of mandrel 1, for preventing that positioning sleeve from departing from mandrel, is processed with flat mouthful of 13mm, for coordinating with external key, for this nut of installing/dismounting on nut 7.On the outer circumference surface of described mandrel 1 other end, being processed with symmetrically arranged two planes is flat mouthful of 10mm, for transmitting torque.The utility model due to arrange positioning sleeve 2 make its reliably locate, make milling steadily, improve crudy.Nuclear power radiating tube is existing parts on steam turbine, the diameter of nuclear power radiating tube be 12mm between 28mm, more than 2000 radiating tube is installed on each tube sheet, the utility model is that the pipe end plane of nuclear power radiating tube is carried out to machining.The utility model is applied widely, can be used on the machining of the pipe end plane of the nuclear power radiating tube of different length, and hand-held motor is as power source of the present utility model, and hand-held motor is existing product, and model is not limit, and specifically selects according to specific works environment.
Detailed description of the invention two: present embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, in nut 7 described in present embodiment, be processed with M10 screwed hole 7-1, on described the first cylinder 1-1, be processed with M10 external screw thread, nut 7 is connected with the M10 external screw thread on the first cylinder 1-1 by M10 screwed hole 7-1.Other composition of present embodiment and annexation are identical with detailed description of the invention one.
Detailed description of the invention three: present embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 9, on positioning sleeve 2 described in present embodiment, be processed with location endoporus 2-1, described positioning sleeve 2 is equipped with by location endoporus 2-1 and the second cylinder 1-2, the aperture of described location endoporus 2-1 is 12mm, and the external diameter of described the second cylinder 1-2 is 12mm.
In present embodiment, positioning sleeve 2 is by location endoporus 2-1 location and installation on mandrel 1, and locating effect is firmly stable.Other composition and annexation are identical with detailed description of the invention one or two.
Detailed description of the invention four: in conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 9, present embodiment is described, the external diameter of positioning sleeve 2 described in present embodiment is 24mm, and one end of described positioning sleeve 2 is processed with chamfering α, and described chamfering α is 20 °.The external diameter of positioning sleeve 2 is 24mm, such setting is to coordinate with nuclear power radiating tube pipe end for positioning sleeve 2, by positioning sleeve 2, the utility model is positioned in nuclear power radiating tube pore, chamfering α is technique chamfering, and the object of setting is to be convenient to positioning sleeve 2 to introduce in nuclear power radiating tube pore.Other composition and annexation are identical with detailed description of the invention three.
Detailed description of the invention five: present embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Figure 10 and Figure 11, the external diameter of the 1-3 of three cylindrical body described in present embodiment is 16mm, in described adjusting sleeve 3, be processed with annular internal bore groove 3-1, described annular internal bore groove 3-1 is the annular internal bore groove of Φ 55 × 2.2, described check ring 8 is arranged in annular internal bore groove 3-1, and one end of described adjusting sleeve 3 is processed with U-shaped open slot.Other composition and annexation are identical with detailed description of the invention one or four.
Detailed description of the invention six: present embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Figure 14 and Figure 15, described in present embodiment, on the 4th cylinder 1-4, be processed with M18 × 1.5 external screw thread, on described milling cutter screwed hole 5-2, be processed with M18 × 1.5 internal thread, described the 4th cylinder 1-4 is connected with M18 × 1.5 internal thread of milling cutter 5 by M18 × 1.5 external screw thread.Other composition and annexation are identical with detailed description of the invention five.
Detailed description of the invention seven: present embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Figure 12 and Figure 13, described in present embodiment, on the 5th cylinder 1-5, be processed with M24 × 1.5 external screw thread, in support set 4, be processed with M24 × 1.5 internal thread, described the 5th cylinder 1-5 is connected with support set 4M24 × 1.5 internal thread by M24 × 1.5 external screw thread.Other composition and annexation are identical with detailed description of the invention one, four or six.
Detailed description of the invention eight: present embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Figure 14 and Figure 15, the external diameter of milling cutter 5 described in present embodiment is 32mm, in described adjusting sleeve 3, be processed with and adjust endoporus 3-2, the aperture of described adjustment endoporus 3-2 is 33mm, and described milling cutter 5 is arranged on to adjust in endoporus 3-2 and with adjustment endoporus 3-2 gap and arranges.The milling cutter 5 arranging like this and the realistic need of work of design of adjusting sleeve 3.Other composition and annexation are identical with detailed description of the invention seven.
Detailed description of the invention nine: present embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Figure 12 and Figure 13, described in present embodiment, on the outer circumference surface of the 5th cylinder 1-5, be evenly processed with four grooves 14, described four grooves 14 are 6 × 22 grooves, on described support set 4, be processed with two M4 screwed hole 4-1, described holding screw 9 is detachably connected in the groove 14 of the 5th cylinder 1-5 through M4 screwed hole 4-1.The needs of realistic processing are set like this, and other composition and annexation are identical with detailed description of the invention eight.
Detailed description of the invention ten: present embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Figure 12, Figure 13, Figure 14 and Figure 15, on the outer circumference surface of milling cutter 5 described in present embodiment, be evenly equipped with four cutters tooth, the anterior angle β of milling cutter 5 is 10 °, and the relief angle Φ of milling cutter 5 is 8 °.The milling cutter 5 arranging is like this scientific and reasonable for structure, and cutting effect is good.Other composition and annexation are identical with detailed description of the invention nine.
In conjunction with detailed description of the invention one, two, three, four, five, six, seven, eight, nine and ten, assembling process of the present utility model and the courses of work are described:
Assembling process: first positioning sleeve 2 is arranged on mandrel 1, then nut 7 is assembled, screwed, to prevent that positioning sleeve 2 from departing from mandrel 1.By check ring 8, adjusting sleeve 3, bearing 6 and support set 4 are axially integrally connected, are then threaded on mandrel 1 by support set 4, determine after adjusting sleeve 3 axial lengths, utilize holding screw 9 that support set 4 is complete tightly assembling on mandrel 1.
The course of work: the utility model assembling is arranged on hand-held motor, by positioning sleeve 2, the utility model is positioned in a nuclear power radiating tube pipe end plane, the rotation of hand-held motor makes the milling that milling cutter 5 rotates, manually axial feed completes nuclear power radiating tube pipe end plane, and in like manner other nuclear power radiating tube pipe end plane is all by this process processing.
Claims (10)
1. a nuclear power radiating tube pipe end milling cutter, it is characterized in that: described a kind of nuclear power radiating tube pipe end milling cutter comprises mandrel (1), positioning sleeve (2), adjusting sleeve (3), support set (4), milling cutter (5), bearing (6), nut (7), check ring (8) and holding screw (9), described mandrel (1) one end is by all-in-one-piece the first cylinder processed (1-1) successively, the second cylinder (1-2), three cylindrical body (1-3), the 4th cylinder (1-4) and the 5th cylinder (1-5) composition, on the outer circumference surface of described mandrel (1) other end, be processed with symmetrically arranged two planes, described the first cylinder (1-1), the second cylinder (1-2), three cylindrical body (1-3), the 4th cylinder (1-4) and the 5th cylinder (1-5) coaxially arrange, the diameter of described the first cylinder (1-1), the diameter of the second cylinder (1-2), the diameter of three cylindrical body (1-3), the diameter of the diameter of the 4th cylinder (1-4) and the 5th cylinder (1-5) increases from left to right successively, between the first cylinder (1-1) and the second cylinder (1-2), be processed with the first cannelure (10), between the second cylinder (1-2) and three cylindrical body (1-3), be processed with the second cannelure (11), between three cylindrical body (1-3) and the 4th cylinder (1-4), be processed with the 3rd cannelure (12), between the 4th cylinder (1-4) and the 5th cylinder (1-5), be processed with the 4th cannelure (13), described nut (7) is threaded with the first cylinder (1-1), on described the second cylinder (1-2), be set with positioning sleeve (2), described three cylindrical body (1-3) is transition axle journal, on described milling cutter (5), be processed with milling cutter counterbore (5-1) and milling cutter screwed hole (5-2), described milling cutter counterbore (5-1) and milling cutter screwed hole (5-2) are communicated as one, described milling cutter (5) is sleeved on three cylindrical body (1-3) and is sleeved on the 4th cylinder (1-4) by milling cutter screwed hole (5-2) by milling cutter counterbore (5-1), milling cutter (5) arranges with three cylindrical body (1-3) gap, milling cutter (5) is threaded with the 4th cylinder (1-4), described adjusting sleeve (3) is sleeved on milling cutter (5) above and arranges with milling cutter (5) gap, described bearing (6) and support set (4) are sleeved on successively mandrel (1) above and arrange with mandrel (1) gap, described adjusting sleeve (3), bearing (6) and support set (4) axially connect as one, described bearing (6) is arranged between adjusting sleeve (3) and support set (4), described check ring (8) is arranged in adjusting sleeve (3), described support set (4) is threaded with the 5th cylinder (1-5) of mandrel (1), on the outer circumference surface of described the 5th cylinder (1-5), be processed with four grooves (14), described holding screw (9) is detachably connected in the groove (14) of the 5th cylinder (1-5) through support set (4).
2. a kind of nuclear power radiating tube pipe end milling cutter according to claim 1, it is characterized in that: in described nut (7), be processed with M10 screwed hole (7-1), on described the first cylinder (1-1), be processed with M10 external screw thread, nut (7) is connected with the M10 external screw thread on the first cylinder (1-1) by M10 screwed hole (7-1).
3. according to a kind of nuclear power radiating tube pipe end milling cutter described in claim 1 or 2, it is characterized in that: on described positioning sleeve (2), be processed with location endoporus (2-1), described positioning sleeve (2) is equipped with by location endoporus (2-1) and the second cylinder (1-2), the aperture of described location endoporus (2-1) is 12mm, and the external diameter of described the second cylinder (1-2) is 12mm.
4. a kind of nuclear power radiating tube pipe end milling cutter according to claim 3, is characterized in that: the external diameter of described positioning sleeve (2) is 24mm, one end of described positioning sleeve (2) is processed with chamfering α, and described chamfering α is 20 °.
5. according to a kind of nuclear power radiating tube pipe end milling cutter described in claim 1 or 4, it is characterized in that: the external diameter of described three cylindrical body (1-3) is 16mm, in described adjusting sleeve (3), be processed with annular internal bore groove (3-1), described annular internal bore groove (3-1) is the annular internal bore groove of Φ 55 × 2.2, described check ring (8) is arranged in annular internal bore groove (3-1), and one end of described adjusting sleeve (3) is processed with U-shaped open slot.
6. a kind of nuclear power radiating tube pipe end milling cutter according to claim 5, it is characterized in that: on described the 4th cylinder (1-4), be processed with M18 × 1.5 external screw thread, on described milling cutter screwed hole (5-2), be processed with M18 × 1.5 internal thread, described the 4th cylinder (1-4) is connected with M18 × 1.5 internal thread of milling cutter (5) by M18 × 1.5 external screw thread.
7. according to a kind of nuclear power radiating tube pipe end milling cutter described in claim 1,4 or 6, it is characterized in that: on described the 5th cylinder (1-5), be processed with M24 × 1.5 external screw thread, support set is processed with M24 × 1.5 internal thread in (4), and described the 5th cylinder (1-5) is connected with support set (4) M24 × 1.5 internal thread by M24 × 1.5 external screw thread.
8. a kind of nuclear power radiating tube pipe end milling cutter according to claim 7, it is characterized in that: the external diameter of described milling cutter (5) is 32mm, in described adjusting sleeve (3), be processed with and adjust endoporus (3-2), the aperture of described adjustment endoporus (3-2) is 33mm, and described milling cutter (5) is arranged on to adjust in endoporus (3-2) and with adjustment endoporus (3-2) gap and arranges.
9. a kind of nuclear power radiating tube pipe end milling cutter according to claim 8, it is characterized in that: on the outer circumference surface of described the 5th cylinder (1-5), be evenly processed with four grooves (14), described four grooves (14) are 6 × 22 grooves, on described support set (4), be processed with two M4 screwed holes (4-1), described holding screw (9) is detachably connected in the groove (14) of the 5th cylinder (1-5) through M4 screwed hole (4-1).
10. a kind of nuclear power radiating tube pipe end milling cutter according to claim 9, it is characterized in that: on the outer circumference surface of described milling cutter (5), be evenly equipped with four cutters tooth, the anterior angle β of milling cutter (5) is 10 °, and the relief angle Φ of milling cutter (5) is 8 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282901.XU CN203863100U (en) | 2014-05-29 | 2014-05-29 | Pipe end milling cutter of nuclear power radiating pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420282901.XU CN203863100U (en) | 2014-05-29 | 2014-05-29 | Pipe end milling cutter of nuclear power radiating pipe |
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| Publication Number | Publication Date |
|---|---|
| CN203863100U true CN203863100U (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420282901.XU Active CN203863100U (en) | 2014-05-29 | 2014-05-29 | Pipe end milling cutter of nuclear power radiating pipe |
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| CN (1) | CN203863100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159908A (en) * | 2017-07-20 | 2017-09-15 | 哈尔滨哈锅锅炉容器工程有限责任公司 | A kind of machining tool for heat exchanger pore rounding |
-
2014
- 2014-05-29 CN CN201420282901.XU patent/CN203863100U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107159908A (en) * | 2017-07-20 | 2017-09-15 | 哈尔滨哈锅锅炉容器工程有限责任公司 | A kind of machining tool for heat exchanger pore rounding |
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