CN203875369U - Central spindle machining tool of seamless tube machine - Google Patents
Central spindle machining tool of seamless tube machine Download PDFInfo
- Publication number
- CN203875369U CN203875369U CN201420185054.5U CN201420185054U CN203875369U CN 203875369 U CN203875369 U CN 203875369U CN 201420185054 U CN201420185054 U CN 201420185054U CN 203875369 U CN203875369 U CN 203875369U
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- CN
- China
- Prior art keywords
- section
- shaft part
- seamless pipe
- mandrel
- hole section
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 238000003754 machining Methods 0.000 title abstract description 10
- 230000013011 mating Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Abstract
The utility model provides a central spindle machining tool of a seamless tube machine. The central spindle machining tool comprises a central spindle with a matched shaft section and an annular groove, a locking sleeve, an expansion sleeve with a matched hole section, and a bearing. The matched shaft section is matched with the matched hole section, and the matched shaft section comprises a conical shaft section, a first positioning shaft section and a second positioning shaft section, wherein the first positioning shaft section and the second positioning shaft section are arranged at the two ends of the conical shaft section respectively. The matched hole section comprises a conical hole section, a first positioning hole section and a second positioning hole section, wherein the first positioning hole section and the second positioning hole section are arranged at the two ends of the conical hole section respectively. The bearing is arranged between the expansion sleeve and the locking sleeve, and the locking sleeve and the central shaft are in threaded connection. A positioning seat is arranged at the rear end of the central shaft, and a positioning hole is formed in the front end of the central shaft. The expansion sleeve is evenly provided with a plurality of opening seams in the axial direction, and a groove is formed in the middle of the outer wall of the expansion sleeve. According to the central spindle machining tool of the seamless tube machine, machining to the two ends of seamless tubes can be achieved by one-time clamping, the machining precision is improved, the mode of fixing of two ends is used, clamping is more firm, the balance is good, and the central spindle machining tool can be used for the machining of long seamless tube machines.
Description
Technical field
The utility model relates to a kind of replacer of tubular product, particularly relates to a kind of seamless pipe machined mandrel tool.
Background technology
In machining, often there will be the turning processing of tubular product, generally by cylindrical one end of jig clamping tubular product, carry out turning processing under normal circumstances; effect due to chucking power; tubular product is easily deformable, easily causes deviations, directly affects product processing quality.Existing inner circle swelled dabber clamp, patent No. CN203304606U, one end is fixed and the mode of being installed of fixture has determined that it can only carry out the processing of one end, easily makes the workpiece that is installed unbalance, is not suitable for the seamless pipe that the large and two ends of length all need processing.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of seamless pipe machined mandrel tool, and both-end is simultaneously fixing, can be applicable to the seamless pipe that length is large, and is once installed and can completes the processing at two ends, and processing is guaranteed.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of seamless pipe machined mandrel tool, comprises with the mandrel, lock sleeve, the ringfeder with mating holes section, the bearing that coordinate shaft part and annular groove; Described cooperation shaft part matches with mating holes section; Described cooperation shaft part comprises the first location shaft part and the second location shaft part that taper shaft part and taper shaft part two ends arrange respectively; Described mating holes section comprises the first locating hole section and the second locating hole section that bellmouth section and bellmouth section two ends arrange; Described bearing is arranged between ringfeder and lock sleeve; Described lock sleeve is connected with mandrel thread.
Further, the diameter of described the first location shaft part is greater than the diameter of the second location shaft part.
Further, described core back-end is provided with positioning seat, and front end is provided with locating hole.
Further, described core back-end is at least provided with two row's installing holes vertically.
Further, described lock sleeve outer wall is regular hexagon structure.
Further, described ringfeder is uniform vertically arranges many open seam.
Further, the middle part of described ringfeder outer wall has groove.
Further, described bearing is self-lubricating bearing.
Advantage and the good effect that the utlity model has are: simple in structure, easy to operate, and be once installed and can complete the processing to seamless pipe two ends, improved machining accuracy, adopted the fixing mode in two ends, be installed more firm, balance is good, can be used for the seamless pipe machined that length is large.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1-coordinates shaft part; 2-annular groove; 3-mandrel; 4-mating holes section; 5-lock sleeve; 6-ringfeder; 7-bearing; 11-taper shaft part; 12-the first location shaft part; 13-the second location shaft part; 31-positioning seat; 32-locating hole; 41-bellmouth section; 42-the first locating hole section; 43-the second locating hole section; 61-groove.
The specific embodiment
A seamless pipe machined mandrel tool, as shown in Figure 1, comprises with the mandrel 3, lock sleeve 5, the ringfeder 6 with mating holes section 4, the bearing 7 that coordinate shaft part 1 and annular groove 2; Described cooperation shaft part 1 matches with mating holes section 4; Described cooperation shaft part 1 comprises the first location shaft part 12 and the second location shaft part 13 that taper shaft part 11 and taper shaft part 11 two ends arrange respectively; Described mating holes section 4 comprises the first locating hole section 42 and the second locating hole section 43 that bellmouth section 41 and bellmouth section 41 two ends arrange; Described bearing 7 is arranged between ringfeder 6 and lock sleeve 5; Described lock sleeve 5 is threaded with mandrel 3.
The diameter of described the first location shaft part 12 is greater than the diameter of the second location shaft part 13, and corresponding, the diameter of the first locating hole section 42 matching with the first location shaft part 12 is greater than the second locating hole section 43 matching with the second location shaft part 13.
Described mandrel 3 rear ends are provided with positioning seat 31, and front end is provided with locating hole 32, can realize two ends simultaneously fixing, more stable during the large seamless pipe of processing length.
Described mandrel 3 rear ends are at least provided with two row's installing holes vertically, and simultaneously every row's installing hole is uniform and at least arrange 3 along axle center, laborsaving while installing like this, convenient.
Described lock sleeve 5 outer walls are regular hexagon structure, adapt to the instruments such as spanner and on mandrel 3, install and remove lock sleeve 5.
Described ringfeder 6 is uniform vertically arranges many open seam, and according to the diameter of processed seamless pipe, open seam is set to 6 or 8 conventionally accordingly.
The middle part of described ringfeder 6 outer walls has groove 61, can overcome the internal stress producing on ringfeder 6 under longer seamless pipe effect.
Described bearing 7 is self-lubricating bearing, effectively reduces the wearing and tearing of ringfeder 6 and lock sleeve 5, and bearing 7 both ends of the surface fit tightly with ringfeder 6 and lock sleeve 5 end faces respectively simultaneously, are more conducive to stable transmission axial force.
Operation principle: positioning seat 31 and locating hole 32 by mandrel 3 two ends have the mandrel 3 of ringfeder 6 to be fixed on lathe in cover, seamless pipe is sleeved on ringfeder 6 again, then bearing 7 and lock sleeve 5 are successively enclosed within on mandrel 3, lock sleeve 5 can expose a seamless pipe part, facilitate instrument mounting or dismounting, now screw and press lock sleeve 5, under responsive to axial force, ringfeder 6 is compacted and to moving to left, now first of mandrel 3 the location shaft part 12 and the second location shaft part 13 match with the first locating hole section 42 and the second locating hole section 43 of ringfeder 6 respectively, guaranteed that seamless pipe is coaxial with mandrel 3, simultaneously under the mating reaction of taper shaft part 11 and bellmouth section 41, ringfeder 6 external diameter expansion increase, produced the inwall that uniform expanding force compresses seamless pipe, thereby seamless pipe and mandrel 3 are synchronizeed rotation on lathe, carry out various machine operations.
Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model scope and improvement etc., within all should still belonging to this patent covering scope.
Claims (8)
1. a seamless pipe machined mandrel tool, is characterized in that: comprise with the mandrel (3) that coordinates shaft part (1) and annular groove (2), lock sleeve (5), with the ringfeder (6) of mating holes section (4), be arranged on the bearing (7) between lock sleeve (5) and ringfeder (6); Described cooperation shaft part (1) matches with mating holes section (4); Described cooperation shaft part (1) comprises the first location shaft part (12) and the second location shaft part (13) that taper shaft part (11) and taper shaft part (11) two ends arrange respectively; Described mating holes section (4) comprises the first locating hole section (42) and the second locating hole section (43) that bellmouth section (41) and bellmouth section (41) two ends arrange; Described lock sleeve (5) is threaded with mandrel (3).
2. a kind of seamless pipe machined mandrel tool according to claim 1, is characterized in that: the diameter of described the first location shaft part (12) is greater than the diameter of the second location shaft part (13).
3. a kind of seamless pipe machined mandrel tool according to claim 1, is characterized in that: described mandrel (3) rear end is provided with positioning seat (31), and front end is provided with locating hole (32).
4. a kind of seamless pipe machined mandrel tool according to claim 1, is characterized in that: described mandrel (3) rear end is at least provided with two row's installing holes vertically.
5. a kind of seamless pipe machined mandrel tool according to claim 1, is characterized in that: described lock sleeve (5) outer wall is regular hexagon structure.
6. a kind of seamless pipe machined mandrel tool according to claim 1, is characterized in that: described ringfeder (6) is uniform vertically arranges many open seam.
7. a kind of seamless pipe machined mandrel tool according to claim 1, is characterized in that: the middle part of described ringfeder (6) outer wall has groove (61).
8. a kind of seamless pipe machined mandrel tool according to claim 1, is characterized in that: described bearing (7) is self-lubricating bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420185054.5U CN203875369U (en) | 2014-04-16 | 2014-04-16 | Central spindle machining tool of seamless tube machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420185054.5U CN203875369U (en) | 2014-04-16 | 2014-04-16 | Central spindle machining tool of seamless tube machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203875369U true CN203875369U (en) | 2014-10-15 |
Family
ID=51675912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420185054.5U Expired - Lifetime CN203875369U (en) | 2014-04-16 | 2014-04-16 | Central spindle machining tool of seamless tube machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203875369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106144025A (en) * | 2015-04-09 | 2016-11-23 | 安徽凤凰松包装有限公司 | A kind of expansion clamp |
-
2014
- 2014-04-16 CN CN201420185054.5U patent/CN203875369U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106144025A (en) * | 2015-04-09 | 2016-11-23 | 安徽凤凰松包装有限公司 | A kind of expansion clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |