CN203541597U - Large-sized hollow shaft machining device - Google Patents
Large-sized hollow shaft machining device Download PDFInfo
- Publication number
- CN203541597U CN203541597U CN201320560669.7U CN201320560669U CN203541597U CN 203541597 U CN203541597 U CN 203541597U CN 201320560669 U CN201320560669 U CN 201320560669U CN 203541597 U CN203541597 U CN 203541597U
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- Prior art keywords
- hollow shaft
- main body
- chuck main
- machining
- adjusting screw
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Abstract
The utility model discloses a large-sized hollow shaft machining device, relating to the field of machining of hollow shafts. The large-sized hollow shaft machining device comprises a disk-shaped chuck main body, wherein four adjusting grooves are formed on the outer side wall of the chuck main body at equal intervals; an adjusting nut and an adjusting screw rod are arranged inside each adjusting groove; each adjusting groove is connected with each adjusting screw rod through each adjusting nut; 3-4 limit stops are welded on the top of the chuck main body; each limit stop projects out of the chuck main body by 55-350 millimeters. The large-sized hollow shaft machining device can be matched with a four-claw chuck of a lathe to fix a hollow shaft constantly, and the hollow shaft is prevented from moving relative to a device for machining the hollow shaft, thereby ensuring the machining accuracy of the hollow shaft and reducing the machining allowance of the hollow shaft. The surface roughness of a hollow shaft machined with the machining device is below 6.3mum. For small-sized plants, the large-sized hollow shaft machining device is low in manufacturing cost and machining cost, and is convenient to produce and manufacture.
Description
Technical field
The utility model relates to hollow shaft manufacture field, is specifically related to a kind of large hollow axis machining apparatus.
Background technology
The sidewall of the hollow shaft that roll bending is made (madial wall and lateral wall) is irregular, when processing hollow shaft, generally adopts end face and the sidewall of large-scale lathe and special fixture processing hollow shaft, and special fixture coordinates large-scale lathe can guarantee the machining accuracy of hollow shaft.But, for accepting the midget plant of be pilot, adopt the processing cost of large-scale lathe and special fixture processing hollow shaft higher, the cost of increasing input, is unfavorable for the manufacturing of midget plant.
Utility model content
For the defect existing in prior art, the purpose of this utility model is to provide a kind of large hollow axis machining apparatus, and it is when processing hollow shaft, and not only processing cost is lower, and can guarantee the machining accuracy of hollow shaft, is convenient to the manufacturing of midget plant.
For reaching above object, the technical scheme that the utility model is taked is: a kind of large hollow axis machining apparatus, comprise discoid chuck main body, the lateral wall of described chuck main body equidistantly has 4 regulating tanks, the inside of each regulating tank is provided with adjusting nut and adjusting screw(rod), regulating tank is connected with adjusting screw(rod) by adjusting nut, and the welded top of chuck main body has 3～4 positive stops, and each positive stop all protrudes from chuck main body 55mm～350mm.
On the basis of such scheme, the model of described adjusting screw(rod) and adjusting nut is M36.
On the basis of such scheme, described adjusting screw(rod) and adjusting nut all adopt the national standard of GB/T41-2000.
On the basis of such scheme, the welded top of described chuck main body has 4 positive stops.
On the basis of such scheme, described 4 positive stops are equidistantly arranged at the top of chuck main body.
On the basis of such scheme, described 4 positive stops all protrude from chuck main body 55mm.
On the basis of such scheme, the length of described adjusting screw(rod) is 500mm.
On the basis of such scheme, the diameter of described chuck main body is 700mm.
Compared with prior art, the beneficial effects of the utility model are:
(1) lateral wall of chuck main body of the present utility model has 4 regulating tanks, and the inside of each regulating tank is provided with an adjusting screw(rod), and regulating tank is connected with adjusting screw(rod) by adjusting nut, and the top of chuck main body is equidistantly welded with 3～4 positive stops.During the utility model processing hollow shaft, the utility model is positioned over to the end of hollow shaft, by the collapsing length of adjusting screw(rod), the utility model and hollow shaft is fixed; Hollow shaft is placed with one end of large hollow axis machining apparatus near the live centre of tail stock, and the length that regulates live centre to stretch out can be fixed one end of hollow shaft and lathe, and the other end of hollow shaft is fixed by the chuck of lathe headstock.Therefore, the utility model can coordinate with the original chuck of lathe, constantly fix the hollow shaft that needs processing, hollow shaft is difficult for producing displacement with processing between the apparatus of hollow shaft, hollow shaft can be proofreaied and correct and process to the apparatus of processing hollow shaft accurately, not only guarantee the machining accuracy of hollow shaft, and reduced the allowance of hollow shaft; Through a large amount of experiments, draw, the hollow shaft of processing by utility model, its surface roughness is below 6.3 μ m, and for midget plant, manufacturing cost of the present utility model and processing cost are all lower, are convenient to manufacture.
(2) less because of the allowance of processing hollow shaft by the utility model, so hollow shaft can be used the roll bending that thickness of slab is thinner to make, while manufacturing hollow shaft, can the less roll unit of selection pressure, not only manufacturing cost is lower, and roll extrusion time and the process time of the thinner roll bending of thickness of slab are shorter, operating efficiency is higher.
(3) while processing hollow shaft by the utility model, because hollow shaft is fixed constantly, so hollow shaft do not need repeatedly to mount and dismount, and the integral body that hollow shaft can disposablely complete outer wall shapes, and its process is fairly simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation that the utility model embodiment coordinates with lathe.
In figure: 1-positive stop, 2-adjusting nut, 3-adjusting screw(rod), 4-chuck main body, 5-hollow shaft, 6-live centre, 7-hollow shaft processing unit (plant).
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
Shown in Figure 1, the large hollow axis machining apparatus in utility model embodiment, comprises discoid chuck main body 4, and the diameter of chuck main body 4 is 700mm.The lateral wall of chuck main body 4 equidistantly has 4 regulating tanks, and the inside of each regulating tank is provided with adjusting nut 2 and adjusting screw(rod) 3; The length of adjusting screw(rod) 3 is 500mm, and regulating tank is connected with adjusting screw(rod) 3 by adjusting nut 2.The model of adjusting screw(rod) 3 and adjusting nut 2 is M36, and adjusting screw(rod) 3 and adjusting nut 2 are all larger, and operation is than being easier to; Adjusting screw(rod) 3 and adjusting nut 2 all adopt the national standard of the GB/T41-2000 that cost of manufacture is lower, and its cost of manufacture is lower.The top of chuck main body 4 is equidistantly welded with 3～4 positive stops 1, and each positive stop 1 all protrudes from chuck main body 55mm～350mm; Chuck main body 4 in the present embodiment is equidistantly welded with 4 positive stops 1, and each positive stop 1 all protrudes from chuck main body 55mm.
Shown in Figure 2, the utility model coordinates with lathe that to process the process of hollow shaft 5 as follows:
(1) at the headstock of lathe, chuck is installed, at the tailstock of lathe, live centre 6 is installed.
(2) twisting adjusting screw(rod) 3, all adjusting screw(rod)s 3 are tightened up, the distance L of two adjusting screw(rod) 3 ends that measuring distance (is oppositely arranged) farthest, according to the inside diameter D of hollow shaft, regulate L, make L < D-10mm, to guarantee that large hollow axis machining apparatus 7 can enter the inside of hollow shaft 5.
(3) large hollow axis machining apparatus 7 is put into one end of hollow shaft 5, twisted adjusting screw(rod) 3 mothers 2, make the inwall close contact of all adjusting screw(rod)s 3 and hollow shaft 5.
(4) hollow shaft 5 is lifted on lathe, hollow shaft 5 is placed with one end of large hollow axis machining apparatus 7 near the live centre 6 of tail stock, and the other end is fixed by the chuck of lathe headstock.
(5) adjust the length that live centre 6 stretches out, live centre 6 moves to the center of large hollow axis machining apparatus 7, the end that the live centre 6 of lathe can large hollow axis machining apparatus 7 fixation hollow axles 5; Positive stop 1 is stuck in hollow shaft 5 ends, and to prevent that large hollow axis machining apparatus 7 from entering hollow shaft 5 inside, 4 equidistant positive stops 1 that arrange can make large hollow axis machining apparatus 7 stressed evenly, guarantee the use safety of large hollow axis machining apparatus 7.
(6) hollow shaft 5 that slowly runs, checks the axiality at hollow shaft 5 two ends by tosecan, comprehensive adjustment is carried out by the collapsing length of adjusting screw(rod) 3 in one end of hollow shaft 5, and the other end carries out comprehensive adjustment by chuck; Hollow shaft 5 is processed, specific process comprises the outer wall of rough turn outer wall, half finish turning outer wall, finish turning hollow shaft 5 etc., for the hollow shaft 5 that requires surface roughness below 3.2 μ m, can on the knife rest of lathe, set up the precision grinding process that abrasive machine completes hollow shaft 5.
The utility model is not only confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a utility model or akin technical scheme, all within its protection domain.
Claims (8)
1. a large hollow axis machining apparatus, comprise discoid chuck main body (4), it is characterized in that: the lateral wall of described chuck main body (4) equidistantly has 4 regulating tanks, the inside of each regulating tank is provided with adjusting nut (2) and adjusting screw(rod) (3), regulating tank is connected with adjusting screw(rod) (3) by adjusting nut (2), the welded top of chuck main body (4) has 3～4 positive stops (1), and each positive stop (1) all protrudes from chuck main body (4) 55mm～350mm.
2. large hollow axis machining apparatus as claimed in claim 1, is characterized in that: the model of described adjusting screw(rod) (3) and adjusting nut (2) is M36.
3. large hollow axis machining apparatus as claimed in claim 2, is characterized in that: described adjusting screw(rod) (3) and adjusting nut (2) all adopt the national standard of GB/T41-2000.
4. large hollow axis machining apparatus as claimed in claim 1, is characterized in that: the welded top of described chuck main body (4) has 4 positive stops (1).
5. large hollow axis machining apparatus as claimed in claim 4, is characterized in that: described 4 positive stops (1) are equidistantly arranged at the top of chuck main body (4).
6. large hollow axis machining apparatus as claimed in claim 4, is characterized in that: described 4 positive stops (1) all protrude from chuck main body (4) 55mm.
7. the large hollow axis machining apparatus as described in claim 1 to 6 any one claim, is characterized in that: the length of described adjusting screw(rod) (3) is 500mm.
8. the large hollow axis machining apparatus as described in claim 1 to 6 any one claim, is characterized in that: the diameter of described chuck main body (4) is 700mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560669.7U CN203541597U (en) | 2013-09-10 | 2013-09-10 | Large-sized hollow shaft machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320560669.7U CN203541597U (en) | 2013-09-10 | 2013-09-10 | Large-sized hollow shaft machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203541597U true CN203541597U (en) | 2014-04-16 |
Family
ID=50459766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320560669.7U Expired - Lifetime CN203541597U (en) | 2013-09-10 | 2013-09-10 | Large-sized hollow shaft machining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203541597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626496A (en) * | 2017-09-30 | 2018-01-26 | 重庆纵翼机械制造有限公司 | A kind of inner wall of hollow shaft polishing spray-painting plant |
-
2013
- 2013-09-10 CN CN201320560669.7U patent/CN203541597U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107626496A (en) * | 2017-09-30 | 2018-01-26 | 重庆纵翼机械制造有限公司 | A kind of inner wall of hollow shaft polishing spray-painting plant |
| CN107626496B (en) * | 2017-09-30 | 2019-05-24 | 重庆纵翼机械制造有限公司 | A kind of inner wall of hollow shaft polishing spray-painting plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |