CN210878757U - Tool for vertical lathe machining of 50-degree elbow straight section and groove of nuclear power main pipeline - Google Patents
Tool for vertical lathe machining of 50-degree elbow straight section and groove of nuclear power main pipeline Download PDFInfo
- Publication number
- CN210878757U CN210878757U CN201921614415.2U CN201921614415U CN210878757U CN 210878757 U CN210878757 U CN 210878757U CN 201921614415 U CN201921614415 U CN 201921614415U CN 210878757 U CN210878757 U CN 210878757U
- Authority
- CN
- China
- Prior art keywords
- elbow
- screw rod
- nuclear power
- clamping
- screw rods
- 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.)
- Active
Links
- 238000003754 machining Methods 0.000 title abstract description 15
- 230000002146 bilateral effect Effects 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000004429 Calibre Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Images
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a vertical lathe tool for processing a 50-degree elbow straight section and a groove of a nuclear power main pipeline, belonging to the technical field of nuclear power pipeline processing, and comprising two clamping plates and a connecting screw rod which are arranged in bilateral symmetry, wherein the outer surface of the middle part of the connecting screw rod is coated with a rubber layer, and the two ends of the connecting screw rod are fastened and connected with the clamping plates through nuts; the connecting screw rods comprise elbow back screw rods, elbow ventral screw rods and elbow bottom surface screw rods, and are respectively distributed on the corresponding clamping plates on the elbow back, ventral and bottom surfaces according to the outer contour of the 50-degree elbow; the splint is also provided with a bottom positioning block and a waist positioning block which are distributed according to the outer contour of the 50-degree elbow. The utility model discloses the clamping is convenient, can adopt 50 elbows of ordinary vertical lathe processing nuclear power trunk line, can reduce the processing cost of elbow, improves machining efficiency to can popularize and be applied to the processing of 40 elbows straight sections of nuclear power trunk line and groove and during the straight sections and the groove machining of other heavy-calibre elbow products, have very high using value and spreading value.
Description
Technical Field
The utility model belongs to the technical field of the nuclear power pipeline processing technique and specifically relates to a vertical lathe processing nuclear power trunk line 50 elbow straight sections and frock for groove.
Background
The large-caliber stainless steel 50-degree elbow is an important component of a main pipeline of a loop of a nuclear power plant, and two ends of the large-caliber stainless steel 50-degree elbow are respectively provided with a straight section and a welding groove which need to be processed. At present, the common processing mode is to process by adopting equipment such as a large floor boring machine with a numerical control facing head, the equipment of the large floor boring machine with the numerical control facing head is expensive, high in processing cost, high in clamping difficulty, slow in rotating speed and low in processing efficiency, and a common vertical lathe is much lower in manufacturing cost than the large floor boring machine with the numerical control facing head and higher in processing efficiency. Therefore, a special clamping tool for a 50-degree elbow of a nuclear power main pipeline needs to be developed, so that a common vertical lathe can be used for machining straight sections at two ends and welding grooves, the cost of machining equipment is reduced, the clamping difficulty is reduced, and the machining efficiency is improved.
Disclosure of Invention
The utility model aims at providing a vertical lathe processing 50 elbows of nuclear power trunk line straight section and frock for groove carry out the clamping to 50 elbows of nuclear power trunk line through this frock for the straight section and the groove machining at 50 elbows both ends of nuclear power trunk line can be gone on ordinary vertical lathe, thereby reduce the equipment cost that the large-scale boring machine that falls to the ground that adopts the numerical control facing head to carry out processing at present stage, reduce the clamping degree of difficulty simultaneously, improve machining efficiency.
The utility model discloses a concrete technical scheme as follows:
a vertical lathe tool for machining a 50-degree elbow straight section and a groove of a nuclear power main pipeline comprises two clamping plates which are arranged in a bilateral symmetry mode and a connecting screw rod for connecting the clamping plates, wherein two ends of the connecting screw rod are fixedly connected with the clamping plates through nuts; the connecting screw rods comprise elbow back screw rods and elbow ventral screw rods, and the elbow back screw rods and the elbow ventral screw rods are respectively distributed on the corresponding clamping plates of the elbow back and the ventral according to the outer contour of the 50-degree elbow; and the clamping plate is also provided with bottom positioning blocks distributed according to the outline of the 50-degree elbow and used for positioning the bottom end face of the elbow and ensuring that the upward end face to be processed of the elbow is in a horizontal position.
Furthermore, the splint is also provided with waist positioning blocks distributed according to the outer contour of the 50-degree elbow, and the waist positioning blocks are used for clamping and positioning the waist curved surface of the elbow and ensuring the stability of the integral position of the elbow.
Furthermore, the connecting screw rod also comprises an elbow bottom surface screw rod which is distributed on the clamping plate corresponding to the elbow bottom surface according to the 50-degree elbow outer contour and is used for reinforcing and supporting the elbow bottom surface.
Furthermore, the elbow back screw rod at least comprises two connecting screw rods, and the elbow ventral surface screw rod and the elbow bottom surface screw rod at least comprise one connecting screw rod.
Furthermore, the bottom positioning block is welded and fixed on the inner side of the clamping plate.
Further, the waist locating piece is including welded fastening in the inboard L shape fixed plate of splint, the screw has been seted up towards the one end of elbow to L shape fixed plate, be equipped with tight set bolt in the screw, through adjusting tight set bolt, can realize the tight location of clamp to the elbow waist.
Furthermore, the outer surface of the middle part of the connecting screw rod is also coated with a rubber layer for preventing skidding and damping, avoiding the scratch of the screw rod on the outer surface of the elbow and protecting the elbow.
Further, the clamping plate is a rectangular clamping plate.
The utility model discloses a vertical lathe processing nuclear power trunk line 50 elbow straight sections and frock for groove will 50 elbows during the use arrange two splint in, then press from both sides two splint tightly with connecting screw and nut to adjust the tight set bolt on the waist locating piece, with fixed and tight 50 elbows of clamp. The connected tool is placed on a chuck of a vertical lathe, the end face of one end of the 50-degree elbow to be machined is upward, and the straight section part and the groove of the elbow can be machined after the whole elbow is aligned and the chuck is clamped tightly. After the straight section and the groove of one end face are processed, the 50-degree elbow is taken out, the end face of the other end of the elbow is upwards clamped again according to the method, and the straight section and the groove of the other end of the elbow can be processed, so that the straight section and the groove of the 50-degree elbow of the nuclear power main pipeline are processed on a common vertical lathe.
Therefore, the beneficial effects of the utility model are embodied in: the clamping is convenient, a common vertical lathe can be used for machining a 50-degree elbow of a nuclear power main pipeline, the machining quality of a nuclear power main pipeline product can be effectively ensured, the machining efficiency of the product is greatly improved, the production cost is reduced, the clamping device can be popularized and applied to machining of a 40-degree elbow straight section and a groove of the nuclear power main pipeline and machining operation of a straight section and a groove of other large-diameter elbow products, and has high application value and popularization value.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the whole structure of the positioning block for waist of the present invention.
Fig. 3 is a schematic view of the overall structure of the tool in the embodiment.
In the figure:
1. the device comprises a clamping plate, 2, a connecting screw rod, 21, an elbow back screw rod, 22-elbow ventral screw rod, 23, an elbow bottom screw rod, 3, a nut, 4, a bottom positioning block, 5, a waist positioning block, 51, an L-shaped fixing plate, 52, a fastening bolt, 6 and a rubber layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the tool for processing the 50-degree elbow straight section and the groove of the nuclear power main pipeline through the vertical lathe comprises two rectangular clamping plates 1 which are arranged in bilateral symmetry and a connecting screw rod 2 connected with the clamping plates 1, wherein two ends of the connecting screw rod 2 are fixedly connected with the clamping plates 1 through nuts 3; the connecting screw rod 2 comprises an elbow back screw rod 21 and an elbow ventral screw rod 22, the elbow back screw rod 21 and the elbow ventral screw rod 22 are respectively distributed on the elbow back and the splint 1 corresponding to the ventral surface according to the outline of 50-degree elbow, the elbow back screw rod 21 at least comprises two screw rods, the elbow ventral screw rod 22 at least comprises one screw rod, in the embodiment, the elbow back screw rod 21 and the elbow ventral screw rod 22 are both, and the back and the ventral surface of the 50-degree elbow form a circular holding type bearing limit.
The inner side of the clamping plate 1 is also provided with bottom positioning blocks 4 distributed according to the outline of the 50-degree elbow, and the bottom positioning blocks are used for positioning the bottom end face of the elbow and ensuring that the upward end face to be processed of the elbow is in a horizontal position, namely is parallel to the bottom of the rectangular clamping plate 1. In this embodiment, the bottom positioning blocks 4 are hollow right-angled triangular bodies, which are fixed to the inner sides of the clamping plates 1 by welding, and the number of the bottom positioning blocks 4 on the inner sides of each clamping plate 1 is two. Two hollow right-angled triangle body bottom locating pieces 4 can realize the location of the stable bearing of elbow bottom, have avoided the gliding condition to appear easily in single locating piece, and the design of its hollow structure still is favorable to alleviateing the dead weight of frock, is favorable to vertical lathe's processing.
The clamp plate 1 is further provided with waist positioning blocks 5 distributed according to the outer contour of the 50-degree elbow, and the waist positioning blocks are used for clamping and positioning the waist curved surface of the elbow and ensuring the stability of the integral position of the elbow. In this embodiment, the waist positioning block 5 includes the L-shaped fixing plate 51 welded and fixed on the inner side of the splint, a screw hole is opened at one end of the L-shaped fixing plate 51 facing the elbow, a fastening bolt 52 is arranged in the screw hole, and the waist of the elbow can be clamped and positioned by adjusting the fastening bolt 52. In this embodiment, the number of the lumbar positioning blocks 5 on the inner side of each splint 1 is two.
In a further preferred embodiment, the connecting screw rod 2 further comprises an elbow bottom surface screw rod 23, which is distributed on the corresponding clamping plate 1 on the elbow bottom surface according to the 50 ° elbow outer contour and is located below the bottom positioning block 4, and is used for reinforcing and supporting the elbow bottom surface, so that the pressure of the bottom positioning block 4 is reduced, and the service life of the bottom positioning block 4 is prolonged.
In a further preferred embodiment, the outer surface of the middle part of the connecting screw rod 2 is further coated with the rubber layer 6, so that the connecting screw rod 2 is prevented from scratching the outer surface of the elbow, the friction force between the connecting screw rod 2 and the outer surface of the elbow can be increased, the elbow is prevented from slipping, and meanwhile, the rubber layer 6 can play a role in damping when the elbow is machined, so that the elbow is prevented from being damaged by stress, and the elbow is protected.
When the tool is used, all detachable parts of the tool are detached firstly, in the embodiment, two elbow ventral surface screw rods 22 can be detached firstly, and the elbow back surface screw rod 21 and the elbow bottom screw rod 23 are appropriately unscrewed, so that a wider operation space is formed between the two clamping plates 1; then, a 50-degree elbow is placed between the two clamping plates 1, the back of the elbow is enabled to be close to the two elbow back screw rods 21, the bottom of the elbow is enabled to be close to the elbow bottom screw rod 23, the nuts 3 at the two ends of the elbow back screw rod 21 and the elbow bottom screw rod 23 are adjusted, the elbow is clamped by the two clamping plates 1, the end face of the bottom of the elbow is enabled to be close to the bottom positioning block 4, positioning is completed, and the end face, to be processed, of the 50-degree elbow, which; finally, the elbow ventral screw 22 is installed, and the fastening bolt 52 of the waist positioning block 5 is adjusted to complete the fixed clamping positioning of the elbow waist. The connected tool is placed on a chuck of a vertical lathe, the end face of one end of a 50-degree elbow to be processed faces upwards, the straight section part and the groove of the elbow can be processed after the whole elbow is aligned and the chuck is clamped, the 50-degree elbow is taken out after the straight section and the groove of one end face are processed, the end face of the other end of the elbow faces upwards and is clamped again according to the method, and the straight section and the groove of the other end of the elbow can be processed, so that the straight section and the groove of the 50-degree elbow of the nuclear power main pipeline can be processed on a common vertical lathe.
In the above description of the present invention, it should be understood that the terms "upper", "lower", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the product of the present invention is usually placed when in use, or the orientation or positional relationship that a person skilled in the art conventionally understands, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The foregoing is considered as illustrative only of certain exemplary embodiments of this invention, and is therefore to be understood that the drawings and descriptions will be regarded as illustrative in nature and not as restrictive. It should also be noted that, for those skilled in the art, a plurality of improvements and additions can be made in various ways without departing from the principles of the present invention, and these improvements and additions should also be considered as the protection scope of the present invention.
Claims (8)
1. Vertical lathe processing nuclear power trunk 50 elbow straight sections and frock for groove, its characterized in that: the clamping device comprises two clamping plates which are arranged in bilateral symmetry and a connecting screw rod for connecting the clamping plates, wherein two ends of the connecting screw rod are fixedly connected with the clamping plates through nuts; the connecting screw rods comprise elbow back screw rods and elbow ventral screw rods, and the elbow back screw rods and the elbow ventral screw rods are respectively distributed on the corresponding clamping plates of the elbow back and the ventral according to the outer contour of the 50-degree elbow; and the clamping plate is also provided with bottom positioning blocks distributed according to the outline of the 50-degree elbow and used for positioning the bottom end face of the elbow and ensuring that the upward end face to be processed of the elbow is in a horizontal position.
2. The tooling of claim 1, wherein the clamping plate is further provided with waist positioning blocks distributed according to the outer contour of the 50-degree elbow, and the waist positioning blocks are used for clamping and positioning the waist curved surface of the elbow.
3. The tool according to claim 1, wherein the connecting screw further comprises an elbow bottom surface screw which is distributed on the corresponding clamping plate on the elbow bottom surface according to the 50-degree elbow outer contour.
4. The tooling of claim 1, wherein the elbow back screw comprises at least two connecting screws.
5. The tooling of claim 1, wherein the bottom positioning block is welded and fixed to the inner side of the clamping plate.
6. The tooling of claim 2, wherein the waist positioning block comprises an L-shaped fixing plate fixed on the inner side of the clamping plate in a welding manner, a screw hole is formed in one end of the L-shaped fixing plate facing the elbow, and a fastening bolt is arranged in the screw hole.
7. The tool according to claim 1, wherein the outer surface of the middle part of the connecting screw rod is further coated with a rubber layer.
8. The tooling of claim 1, wherein the clamp plate is a rectangular clamp plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614415.2U CN210878757U (en) | 2019-09-26 | 2019-09-26 | Tool for vertical lathe machining of 50-degree elbow straight section and groove of nuclear power main pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921614415.2U CN210878757U (en) | 2019-09-26 | 2019-09-26 | Tool for vertical lathe machining of 50-degree elbow straight section and groove of nuclear power main pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210878757U true CN210878757U (en) | 2020-06-30 |
Family
ID=71340042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921614415.2U Active CN210878757U (en) | 2019-09-26 | 2019-09-26 | Tool for vertical lathe machining of 50-degree elbow straight section and groove of nuclear power main pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210878757U (en) |
-
2019
- 2019-09-26 CN CN201921614415.2U patent/CN210878757U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202317757U (en) | Machining positioning device | |
| CN210878757U (en) | Tool for vertical lathe machining of 50-degree elbow straight section and groove of nuclear power main pipeline | |
| CN207104357U (en) | A kind of new two pawls bias frock | |
| CN210849789U (en) | Tool with dual clamping function | |
| CN203390556U (en) | Special center frame for large-diameter long pipe lathe machining | |
| CN201988950U (en) | Equipment for machining multiple small box body parts | |
| CN218612065U (en) | Movable elbow processing tool | |
| CN204135767U (en) | A kind of connecting rod hydraulically operated fixture | |
| CN216151221U (en) | High-efficient circular workpiece mills processing and fixes clamping frock | |
| CN202985159U (en) | Bending plate for turning and clamping nut with irregular shape | |
| CN212351228U (en) | Tool for processing special profile of thin-wall gasket | |
| CN214519000U (en) | Annular workpiece positioning and clamping tool for gantry machine tool machining center | |
| CN214721930U (en) | Welding device for steel structure of constructional engineering | |
| CN211565219U (en) | Intelligent fixture for drilling and milling of main frame | |
| CN210756041U (en) | T-shaped piston rod machining and positioning device | |
| CN212042823U (en) | High-efficient type milling machine is used in malleable cast iron pipe fitting production | |
| CN204800322U (en) | Impulse turbine runner processing fixture device | |
| CN202106215U (en) | Clamp for machining blades of rotating wheel of through-flow turbine | |
| CN216681186U (en) | Clamping tool for machining top surface of water outlet pipe | |
| CN205342502U (en) | Arc cylindrical workpiece centre gripping frock | |
| CN220050877U (en) | Diamond flange elbow processing tool | |
| CN211728348U (en) | Universal vehicle included angle of impeller seat | |
| CN221047369U (en) | Processing clamping equipment for ferrous metal alloy plates | |
| CN211192974U (en) | Large-scale pump shaft ring piece location frock | |
| CN220480270U (en) | Electric pontoon liquid level meter processing frock convenient to high-efficient alignment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20231127 Granted publication date: 20200630 |
|
| PP01 | Preservation of patent right |