CN112025178A - Thin-wall shell tensioning processing device - Google Patents
Thin-wall shell tensioning processing device Download PDFInfo
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- CN112025178A CN112025178A CN202011000317.7A CN202011000317A CN112025178A CN 112025178 A CN112025178 A CN 112025178A CN 202011000317 A CN202011000317 A CN 202011000317A CN 112025178 A CN112025178 A CN 112025178A
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- sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
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Abstract
The invention provides a tensioning processing device for a thin-wall shell, and relates to the field of thin-wall shell processing. The device comprises a mandrel, wherein a nut, a ring gland and an adjusting shaft sleeve are sleeved outside the left end of the mandrel from left to right; the left end of the adjusting shaft sleeve is connected with a first large nut in a threaded mode, a first taper sleeve is sleeved outside the adjusting shaft sleeve, a first expansion sleeve is sleeved outside the first taper sleeve, and a first space is formed by the first taper sleeve, the first expansion sleeve and the adjusting shaft sleeve; a nut, a ring gland and a short shaft sleeve are sleeved outside the right end of the mandrel from right to left; the right end of the short shaft sleeve is in threaded connection with a second large nut, a second taper sleeve is sleeved outside the second taper sleeve, a second expansion sleeve is sleeved outside the second taper sleeve, and a second space is formed by the second taper sleeve, the second expansion sleeve and the short shaft sleeve. The first large nut is locked to drive the adjusting shaft sleeve to move leftwards, the first expansion sleeve abutted against the adjusting shaft sleeve can be pushed to move under the action of force, the first taper sleeve and the first expansion sleeve are interacted, and the first taper sleeve can tension and expand the first expansion sleeve to finely adjust the first expansion sleeve; the right end of the device can be fine-tuned using the same operation and principles.
Description
Technical Field
The invention relates to the field of thin-wall shell machining, in particular to a thin-wall shell tensioning machining device.
Background
In the production and processing, industrial processing such as splicing and welding aiming at the thin-wall shell is often encountered, and particularly, when the annular thin-wall shell is processed and welded, because the wall thickness is too thin, the deformation of the annular thin-wall shell can be caused by small force during processing, the shape adjustment is difficult, the fine difference of the shaft diameters of the two shells is difficult to weld, the final welding result is influenced, and the quality of the final product is adversely affected.
Disclosure of Invention
In view of the above problems, it is an object of the present invention to provide a thin-walled housing tensioning device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a thin-walled housing tensioning apparatus comprising: a mandrel;
a nut, a ring gland and an adjusting shaft sleeve are sequentially sleeved and matched outside the left end of the mandrel from left to right;
the left end of the adjusting shaft sleeve is provided with threads and is in threaded connection with a first large nut, the right end of the adjusting shaft sleeve is provided with a protruding step, a first taper sleeve is sleeved outside the adjusting shaft sleeve, the left end of the first taper sleeve is abutted against the first large nut, a first expansion sleeve is sleeved outside the first taper sleeve, and the right end of the first expansion sleeve is abutted against the protruding step of the adjusting shaft sleeve;
a first space is formed by the first taper sleeve, the first expansion sleeve and the adjusting shaft sleeve;
a nut, a ring gland and a short shaft sleeve are sequentially sleeved and matched outside the right end of the mandrel from right to left;
the right end of the short shaft sleeve is provided with threads and is in threaded connection with a second large nut, a protruding step is arranged at the left end of the short shaft sleeve, a second taper sleeve is sleeved outside the short shaft sleeve, the right end of the second taper sleeve is abutted against the second large nut, a second expansion sleeve is sleeved outside the second taper sleeve, and the left end of the second expansion sleeve is abutted against the protruding step of the short shaft sleeve;
a second space is formed by the second taper sleeve, the second expansion sleeve and the short shaft sleeve;
the first expansion sleeve and the second expansion sleeve are made of 1Cr18Ni9 Ti.
Preferably, the first taper sleeve is internally provided with a circular through hole, the first taper sleeve is externally provided with a cone structure, one end of the large diameter of the cone structure is provided with a raised step, and the outer diameter of the raised step is larger than the large diameter of the cone structure;
the first expansion sleeve is internally provided with a taper hole matched with the taper sleeve, and the axial length of the taper hole is greater than that of the cone structure.
Preferably, a first annular groove is formed in the cone structure along the radial direction of the first taper sleeve, a plurality of vent holes are formed in one end of the large end face of the first taper sleeve, and the through holes are communicated with the first annular groove.
Preferably, a second annular groove is arranged in the taper hole along the radial direction of the first expansion sleeve.
Preferably, the outside of first bloated cover is equipped with syllogic step shaft structure, is first step shaft, second step shaft, third step shaft from a left side to the right side in proper order, the external diameter of second step shaft is the biggest, follows the radial direction of first bloated cover is in be equipped with third annular groove on the second step shaft, and follows the radial direction of first bloated cover is in be equipped with a plurality of through-hole in the third annular groove.
Preferably, the first taper sleeve and the second taper sleeve are identical in structure;
the first expansion sleeve and the second expansion sleeve are identical in structure.
Preferably, the first step shaft and the third step shaft are both provided with fourth annular grooves, and tension springs are arranged in the fourth annular grooves.
Preferably, the tension spring is a cold-rolling cylindrical tension spring.
Preferably, the riveting device further comprises a rivet, and a support is arranged in the third annular groove and is locked by the rivet.
Preferably, a connecting pipe is arranged between the first large nut and the first taper sleeve;
the left end of the first big nut is provided with an adjusting nut, and the right end of the second big nut is provided with a round nut.
Preferably, the ring gland is C-shaped in section, a through hole is formed in the center of the ring gland, and a tapered step is arranged on the outer edge of the end of the opening.
Preferably, the adjusting device further comprises a positioning key, and the adjusting shaft sleeve is positioned and locked with the mandrel through the positioning key; the short shaft sleeve is positioned and locked with the mandrel through a positioning key.
The invention has the beneficial effects that:
1. the device is provided with a first taper sleeve and a first expansion sleeve which are assembled, a first big nut is locked to drive the adjusting shaft sleeve to move leftwards, the first expansion sleeve which is abutted against a convex step of the adjusting shaft sleeve can be pushed to move under the action of force, the first taper sleeve and the first expansion sleeve are interacted, and the first taper sleeve can tension and expand the first expansion sleeve to finely adjust the first expansion sleeve; meanwhile, the right end of the device can be finely adjusted by adopting the same operation and principle.
2. When thin-walled shells with different lengths are processed, adjusting shaft sleeves with different lengths can be replaced, connecting pipes with different lengths can be correspondingly arranged according to the lengths of the adjusting shaft sleeves, and tensioning processing of the thin-walled shells with different lengths can be realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a first drogue of the present invention;
FIG. 3 is a cross-sectional view of a first expansion sleeve of the present invention;
icon: 1-mandrel; 2-a nut; 3-ring gland; 4-adjusting the nut; 5-a first taper sleeve; 5 a-pyramidal structure; 5 b-a raised step; 5 c-a first annular groove; 5 d-circular through hole; 5 e-a vent hole; 6-a first expansion sleeve; 6 a-a taper hole; 6 b-a second annular groove; 6 c-a third annular groove; 6 d-fourth annular groove; 6 e-a through hole; 7-adjusting the shaft sleeve; 8-short shaft sleeve; 9-a positioning key; 10-a first large nut; 11-round nuts; 12-a second large nut; 13-a tension spring; 14-a connecting tube; 15-second taper sleeve; 16-a second expansion sleeve; 17-a first space; 18-a second space; 19-rivets; 20-susceptor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the first, second, third, etc. description is merely intended to more readily describe various implementations of embodiments of the present invention and is not intended to represent or imply relative importance.
Embodiment 1, please refer to fig. 1 to 3, a thin-walled housing tensioning device includes: a mandrel 1; the nut 2, the ring pressure cover 3 and the adjusting shaft sleeve 7 are sequentially sleeved and matched with the outer part of the left end of the mandrel 1 from left to right; the left end of the adjusting shaft sleeve 7 is provided with a threaded structure, the adjusting shaft sleeve is connected with a first large nut 10 through threads, the right end of the adjusting shaft sleeve 7 is provided with a convex step, a first taper sleeve 5 is sleeved outside the adjusting shaft sleeve 7, the left end of the first taper sleeve 5 is abutted to the first large nut 10, a first expansion sleeve 6 is sleeved outside the first taper sleeve 5, and the right end of the first expansion sleeve 6 is abutted to the convex step of the adjusting shaft sleeve 7; a first space 17 is formed by the first taper sleeve 5, the first expansion sleeve 6 and the adjusting shaft sleeve 7; the nut 2, the ring pressure cover 3 and the short shaft sleeve 8 are sequentially sleeved and matched outside the right end of the mandrel 1 from right to left; the right end of the short shaft sleeve 8 is provided with threads, the threads are connected with a second large nut 12, the left end of the short shaft sleeve 8 is provided with a convex step, a second taper sleeve 15 is sleeved outside the short shaft sleeve 8, the right end of the second taper sleeve 15 is abutted against the second large nut 12, a second expansion sleeve 16 is sleeved outside the second taper sleeve 15, and the left end of the second expansion sleeve 16 is abutted against the convex step of the short shaft sleeve 8; the second taper sleeve 15, the second expansion sleeve 16 and the short shaft sleeve 8 form a second space 18. Wherein the nut 2 is mainly used for fine adjustment of locking the ring gland 3 along the axial direction of the mandrel 1. Preferably, the left end of the first big nut 10 is provided with an adjusting nut 4 which can lock and finely adjust the first big nut 10, and the right end of the second big nut 12 is provided with a round nut 11 which can lock and finely adjust the second big nut 12.
The ring gland 3 is C-shaped in section, a through hole is formed in the center of the ring gland, a tapered step is arranged on the outer edge of the end of the opening, and the tapered step is mainly used for guiding the added thin-wall shell during assembly and positioning and clamping the thin-wall shell.
Preferably, the first taper sleeve 5 and the second taper sleeve 15 are identical in structure; the first expansion sleeve 6 and the second expansion sleeve 16 are made of the same material, the material is 1Cr18Ni9Ti, 1Cr18Ni9Ti is a non-magnetic body, and when parts are welded by electron beam welding, a light beam cannot change a welding path due to magnetic interference, so that the welding quality is ensured. The first taper sleeve 5 is internally provided with a circular through hole 5d, the outside of the first taper sleeve is provided with a cone structure 5a, one end of the large diameter of the cone structure 5a is provided with a raised step 5b, and the outer diameter of the raised step 5b is larger than the large diameter of the cone structure 5 a; the first expansion sleeve 6 is internally provided with a taper hole 6a matched with the taper sleeve 5, the axial length of the taper hole 6a is greater than that of the taper structure 5a, when the first expansion sleeve 6 is pushed leftwards under the action of a protruding step of the adjusting shaft sleeve 7, the first taper sleeve 5 and the first expansion sleeve 6 interact with each other, and the first expansion sleeve 6 can be tensioned and expanded to be finely adjusted. A first annular groove 5c is formed in the cone structure 5a in the radial direction of the first taper sleeve 5, a plurality of vent holes 5e are formed in one end of the large end face of the first taper sleeve 5, and the vent holes are communicated with the first annular groove 5 c.
A second annular groove 6b is provided in the tapered hole 6a in the radial direction of the first expansion sleeve 6. When the first taper sleeve 5 and the first expansion sleeve 6 are in extrusion fit, the structural design can effectively discharge gas generated by extrusion, the influence of the generated gas on the device is avoided, a three-section type stepped shaft structure is arranged outside the first expansion sleeve 6, the first stepped shaft, the second stepped shaft and the third stepped shaft are sequentially arranged from left to right, the outer diameter of the second stepped shaft is maximum, a third annular groove 6c is arranged on the second stepped shaft along the radial direction of the first expansion sleeve 6, a plurality of through holes 6e are formed in the third annular groove 6c along the radial direction of the first expansion sleeve 6, and the third annular groove 6c is beneficial to reducing the misalignment of a thin-wall shell to an interface when the thin-wall shell is welded, so that the welding quality is improved. Be equipped with the susceptor 20 in the third annular groove 6c, and lock it through rivet 19, when welding thin-walled casing, partly unnecessary soldering tin can overflow on this third annular groove 6 c's susceptor 20, susceptor 20 can the first cover 6 that expands of effectual protection prevents its damage, when inside soldering tin overflow volume reaches a certain amount, dismantle rivet 19, only need change susceptor 20, it changes and extravagant to reduce first cover 6 that expands, guarantee the level and smooth of welding part simultaneously.
The first step shaft and the third step shaft are both provided with a fourth annular groove 6d, a tension spring 13 is arranged in the fourth annular groove 6d, preferably a cold-rolled cylindrical tension spring, the tension spring 13 can be fastened on the first taper sleeve 5 and the second expansion sleeve 16, and certain elasticity is guaranteed.
The device also comprises a positioning key 9, and the positioning key 9 can be used for adjusting the positioning and locking of the shaft sleeve 7 and the mandrel 1 and the positioning and locking of the short shaft sleeve 8 and the mandrel 1.
Specifically, a thin-wall shell A, a thin-wall shell B and a thin-wall shell C which need to be processed are prepared, the thin-wall shell B is sleeved on a first expansion sleeve 6 and a second expansion sleeve 16, two end parts of the thin-wall shell B are arranged at a third annular groove 6C, then the thin-wall shell A and the thin-wall shell C are respectively assembled at two ends of the device and are adjusted simultaneously, so that the right end of the thin-wall shell A is aligned with the left end of the thin-wall shell B, the left end of the thin-wall shell C is aligned with the right end of the thin-wall shell B, a first large nut 10 and a second large nut 12 are adjusted, the right end of the first large nut 10 is abutted against a first taper sleeve 5, the first large nut 10 is adjusted and locked to drive an adjusting shaft sleeve 7 to move leftwards, the right end of the first expansion sleeve 6 is abutted against a convex step of the adjusting shaft sleeve 7, when the convex step of the adjusting shaft sleeve 7 acts on the first expansion sleeve 6, the first taper sleeve 5 and the first expansion sleeve 6 interact with each other, the first expansion sleeve 6 can be tensioned and expanded to be finely adjusted, and meanwhile the right end of the device can be finely adjusted by the same operation and principle. Then the adjusting nut 4 and the round nut 11 are locked, the other ends of the thin-wall shell A and the thin-wall shell C are placed at the conical step of the ring pressing cover 3, and the nut 2 is locked, so that the next welding procedure can be carried out.
In the case of the example 2, the following examples are given,
the difference from the embodiment 1 is that: a connecting pipe 14 is arranged between the first large nut 10 and the first taper sleeve 5, the left end of the connecting pipe 14 is abutted against the first large nut 10, and the right end of the connecting pipe is abutted against the first taper sleeve 5. When thin-wall shells with different lengths are processed, the adjusting shaft sleeves 7 with different lengths can be replaced, and the connecting pipes 14 with different lengths can be correspondingly arranged according to the lengths of the adjusting shaft sleeves 7, so that the thin-wall shells with different lengths can be tensioned.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A thin-walled shell tensioning processingequipment characterized by, includes: a mandrel (1);
a nut (2), a ring pressure cover (3) and an adjusting shaft sleeve (7) are sequentially sleeved and matched with the outer part of the left end of the mandrel (1) from left to right;
the left end of the adjusting shaft sleeve (7) is provided with threads and is in threaded connection with a first large nut (10), the right end of the adjusting shaft sleeve (7) is provided with a convex step, a first taper sleeve (5) is sleeved outside the adjusting shaft sleeve (7), the left end of the first taper sleeve (5) is abutted to the first large nut (10), a first expansion sleeve (6) is sleeved outside the first taper sleeve (5), and the right end of the first expansion sleeve (6) is abutted to the convex step of the adjusting shaft sleeve (7);
a first space (17) is formed by the first taper sleeve (5), the first expansion sleeve (6) and the adjusting shaft sleeve (7);
a nut (2), a ring pressure cover (3) and a short shaft sleeve (8) are sequentially sleeved and matched outside the right end of the mandrel (1) from right to left;
the right end of the short shaft sleeve (8) is provided with threads and is in threaded connection with a second large nut (12), the left end of the short shaft sleeve (8) is provided with a raised step, a second taper sleeve (15) is sleeved outside the short shaft sleeve (8), the right end of the second taper sleeve (15) is abutted against the second large nut (12), a second expansion sleeve (16) is sleeved outside the second taper sleeve (15), and the left end of the second expansion sleeve (16) is abutted against the raised step of the short shaft sleeve (8);
the second taper sleeve (15), the second expansion sleeve (16) and the short shaft sleeve (8) form a second space (18);
the first expansion sleeve (6) and the second expansion sleeve (16) are made of 1Cr18Ni9 Ti.
2. The thin-wall shell tensioning machining device is characterized in that the first taper sleeve (5) is internally provided with a circular through hole (5d), the first taper sleeve is externally provided with a cone structure (5a), a large-diameter end of the cone structure (5a) is provided with a raised step (5b), and the outer diameter of the raised step (5b) is larger than the large diameter of the cone structure (5 a);
the first expansion sleeve (6) is internally provided with a taper hole (6a) matched with the taper sleeve (5), and the axial length of the taper hole (6a) is greater than that of the taper structure (5 a).
3. The thin-walled shell tensioning machining device according to claim 2, characterized in that a first annular groove (5c) is formed in the cone structure (5a) in the radial direction of the first taper sleeve (5), a plurality of vent holes (5e) are formed in one end of the large end face of the first taper sleeve (5), and the through holes are communicated with the first annular groove (5 c).
4. The thin-walled housing tensioning machining device according to claim 2, characterized in that a second annular groove (6b) is provided in the tapered bore (6a) in the radial direction of the first expansion sleeve (6).
5. The thin-walled shell tensioning machining device according to claim 4, characterized in that a three-section stepped shaft structure is arranged outside the first expansion sleeve (6), and comprises a first stepped shaft, a second stepped shaft and a third stepped shaft in sequence from left to right, the outer diameter of the second stepped shaft is the largest, a third annular groove (6c) is formed in the second stepped shaft along the radial direction of the first expansion sleeve (6), and a plurality of through holes (6e) are formed in the third annular groove (6c) along the radial direction of the first expansion sleeve (6).
6. The thin-walled shell tensioning machining device according to any one of claims 1 to 5, characterized in that the first taper sleeve (5) and the second taper sleeve (15) are identical in structure;
the first expansion sleeve (6) and the second expansion sleeve (16) have the same structure.
7. The thin-walled shell tensioning machining device according to claim 6, characterized in that a fourth annular groove (6d) is formed in each of the first step shaft and the third step shaft, and a tension spring (13) is arranged in each fourth annular groove (6 d).
8. The thin-walled housing tensioning machining device according to claim 7, characterized in that the tension spring (13) is a cold-rolled cylindrical tension spring.
9. The thin-walled shell tensioning machining device according to claim 6, characterized by further comprising a rivet (19), wherein a support (20) is arranged in the third annular groove (6c) and is locked by the rivet (19).
10. The thin-walled shell tensioning machining device of claim 1, characterized in that a connecting pipe (14) is arranged between the first large nut (10) and the first taper sleeve (5);
the left end of the first big nut (10) is provided with an adjusting nut (4), and the right end of the second big nut (12) is provided with a round nut (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011000317.7A CN112025178A (en) | 2020-09-22 | 2020-09-22 | Thin-wall shell tensioning processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011000317.7A CN112025178A (en) | 2020-09-22 | 2020-09-22 | Thin-wall shell tensioning processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112025178A true CN112025178A (en) | 2020-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011000317.7A Pending CN112025178A (en) | 2020-09-22 | 2020-09-22 | Thin-wall shell tensioning processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112025178A (en) |
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2020
- 2020-09-22 CN CN202011000317.7A patent/CN112025178A/en active Pending
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