CN211539999U - Flange and pipeline welding mould - Google Patents
Flange and pipeline welding mould Download PDFInfo
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- CN211539999U CN211539999U CN201922267779.4U CN201922267779U CN211539999U CN 211539999 U CN211539999 U CN 211539999U CN 201922267779 U CN201922267779 U CN 201922267779U CN 211539999 U CN211539999 U CN 211539999U
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Abstract
The utility model discloses a flange and pipeline welding mould, which comprises a bottom plate and a flange template which are vertically fixed together, wherein the flange template is provided with a plurality of thread hole groups; each thread hole group is arranged on different circumferences; one end of the bottom plate is provided with a flange bearing device, the other end of the bottom plate is provided with a pipeline supporting device, the pipeline supporting device comprises a supporting frame and two symmetrically arranged supporting plates, and the top of the supporting frame is provided with a rectangular through hole; the support frame is arranged in the through hole; the bottom of the supporting plate is connected with the screw; the screw is divided into a first screw section and a second screw section with opposite screw thread turning directions, and two support plates are respectively connected with the first screw section and the second screw section; the utility model can make the correction more convenient when the flange is welded with the pipeline, the time consumption is short, and the working efficiency is high; the requirement on the skill of workers can be reduced, and the influence of human factors is small during correction, so that the flange and the pipeline are welded to form standardization; the correction deviation can be reduced, the rejection rate is reduced, and the pipeline connection is more convenient.
Description
Technical Field
The utility model relates to a welding mould, specific theory relates to a flange and pipeline welding mould.
Background
In the pipeline maintenance process, the situation of welding a flange and a pipeline on site is often encountered, but under the situations of pipeline maintenance, modification and incapability of on-site fire-driving in a flammable and explosive workshop, the on-site welding cannot be implemented due to high danger of on-site welding operation, and the pipeline and the flange need to be welded in advance and then installed on site; according to actual conditions, the pipeline maintenance in the workshop of chemical product production is frequent in change, and when the pipeline is maintained and replaced, maintenance personnel generally use a wire crane or an angle square to correct the flange, so that the plane of the flange is perpendicular to the pipeline, the perpendicularity and the position of a bolt hole of the flange are ensured, and the perpendicularity and the position of the bolt hole of the two flanges are consistent when the two flanges are connected through bolts.
However, when welding a flange and a pipeline in the prior art, no matter the flange and the pipeline are corrected by using a suspension wire or an angle square, the following defects exist:
1. the operation is complicated, the time consumption is long, and the working efficiency is low;
2. the requirement on the skills of workers is high, and human factors are large during correction, so that the welding of each flange and the pipeline is different, and standardized production cannot be formed.
3. The deviation appears easily to when carrying out bolted connection to two flanges, the bolt hole takes place the dislocation, leads to unable connection, not only causes the waste product, and causes inconvenience to the connection of pipeline, influences pipeline maintenance work.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a flange and pipeline welding mould, which can make the correction more convenient when welding the flange and the pipeline, the time consumption is short and the working efficiency is high; the requirement on the skill of workers can be reduced, and the influence of human factors is small during correction, so that the flange and the pipeline are welded to form standardization; the correction deviation can be reduced, the rejection rate is reduced, and the pipeline connection is more convenient.
For solving the technical problem, the utility model discloses a following technical scheme: a flange and pipeline welding mould comprises a bottom plate and a flange template, wherein the flange template is vertically fixed on the bottom plate and is used for positioning flanges with different nominal diameters; a plurality of thread hole groups are arranged on the flange template; each thread hole group is arranged on different circumferences; each threaded hole group comprises a plurality of threaded holes uniformly arranged along the circumferential direction; each threaded hole is provided with a positioning bolt in a matching way; a flange supporting device is arranged at one end, close to the flange template, of the bottom plate and comprises two symmetrically arranged supporting seats, inclined planes are arranged on one sides, opposite to the two supporting seats, of the two supporting seats, and the inclined planes of the two supporting seats are in contact with the peripheral surface of the flange;
a pipeline supporting device is arranged at one end, far away from the flange template, of the bottom plate, and comprises a supporting frame and two supporting plates, the supporting frame is of an inverted U-shaped structure, and the supporting frame is vertically fixed on the bottom plate; the top of the support frame is provided with a rectangular through hole; the two support frames are symmetrically arranged in the through hole; the bottom of the supporting plate is in threaded connection with the screw; the screw is divided into a first screw section and a second screw section, and the screw thread turning directions of the first screw section and the second screw section are opposite; a support plate is connected with the first screw section; and the other support plate is connected with the second screw rod section, and when the screw rod rotates, the two support plates move reversely.
Further, the supporting seat is arranged on the sliding rail in a sliding manner; the slide rail is fixedly arranged on the bottom plate and slides on the slide rail through the supporting seats, and the distance between the two supporting seats is adjusted.
Furthermore, the opposite sides of the two supporting plates are provided with inclined surfaces, and the inclined surfaces of the two supporting plates are in contact with the outer wall of the pipeline.
Furthermore, guide blocks are arranged on two sides of the supporting plate and are arranged in guide grooves in a sliding mode, and the guide grooves are formed in the side walls of the through holes.
Furthermore, when the flange is positioned, the positioning bolt penetrates through and extends out of the flange template; the length of the positioning bolt extending out of the flange template is greater than the thickness of the flange; the number of threaded holes, the diameter of the threaded holes and the diameter of the central circle of the threaded holes in each threaded hole group are the same as the number of bolt holes, the diameter of the bolt holes and the diameter of the central circle of the bolt holes of the flange to be positioned.
Furthermore, a locking bolt is arranged between the supporting seat and the sliding rail, and the supporting seat is locked and positioned through the locking bolt.
Furthermore, both ends of the screw rod are rotatably connected with the support frame, one end of the screw rod penetrates out of the support frame, and a hand wheel is fixedly arranged on the screw rod.
Further, a shaft shoulder is arranged between the first screw section and the second screw section.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
the utility model can make the correction more convenient when the flange is welded with the pipeline, the time consumption is short, and the working efficiency is high; the requirement on the skill of workers can be reduced, and the influence of human factors is small during correction, so that the flange and the pipeline are welded to form standardization; the correction deviation can be reduced, the rejection rate is reduced, and the pipeline connection is more convenient.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a view taken from the direction A of FIG. 1;
FIG. 3 is a schematic view of a pipe support apparatus;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic view of a flange template;
in the figure, the position of the upper end of the main shaft,
1-bottom plate, 2-flange template, 21-threaded hole, 3-positioning bolt, 4-pipeline supporting device, 41-supporting frame, 42-supporting plate, 43-screw rod, 431-first screw rod section, 432-second screw rod section, 433-shaft shoulder, 44-hand wheel, 45-guide groove, 46-guide block, 47-through hole, 5-flange supporting device, 51-supporting seat, 52-locking bolt and 53-sliding rail.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-5, the utility model provides a flange and pipeline welding mold, which comprises a bottom plate 1 and a flange template 2, wherein the flange template 2 is vertically fixed on the bottom plate 1, and the flange template 2 is used for positioning flanges with different nominal diameters; specifically, a plurality of thread hole groups are arranged on the flange template 2; each thread hole group is arranged on different circumferences; each thread hole group corresponds to flanges with different nominal diameters; according to the standard sizes of the flanges with different nominal diameters, each threaded hole group comprises a plurality of threaded holes 21 uniformly distributed along the circumferential direction; each threaded hole 21 is provided with a positioning bolt 3 in a matching way; the positioning bolt 3 is used for positioning a flange which needs to be welded with a pipeline; when the flange is positioned, the positioning bolt 3 passes through and extends out of the flange template 2; the length of the positioning bolt 3 extending out of the flange template 2 is greater than the thickness of the flange, so that the flange can be positioned conveniently; the positioning bolts 3 of other specifications which are not needed to be used are unscrewed from the flange template 2, or the positioning bolts 3 are screwed until the end surfaces of the positioning bolts are flush with the side surface of the flange template 2 where the flange is placed.
The number of threaded holes 21, the diameter of the threaded holes 21, and the diameter of the central circle of the threaded holes 21 in each threaded hole group are the same as the number of bolt holes of the flange to be positioned, the diameter of the bolt holes, and the diameter of the central circle of the bolt holes.
A flange supporting device 5 is arranged at one end, close to the flange template 2, of the bottom plate 1, the flange supporting device 5 comprises two symmetrically arranged supporting seats 51, inclined planes are arranged on one sides, opposite to the two supporting seats 51, of the two supporting seats 51, and the inclined planes of the two supporting seats 51 are in contact with the peripheral surface of the flange to support the flange; the supporting seat 51 is arranged on the sliding rail 53 in a sliding manner; the slide rail 53 is fixedly arranged on the bottom plate 1, and slides on the slide rail 53 through the support seats 51 to adjust the distance between the two support seats 51, so that the flange adjusting device is suitable for flanges with different nominal diameters.
And a locking bolt 52 is arranged between the supporting seat 51 and the sliding rail 53, and the supporting seat is locked and positioned through the locking bolt 52.
A pipeline supporting device 4 is arranged at one end, far away from the flange template 2, of the bottom plate 1, the pipeline supporting device 4 is used for supporting and fixing a pipeline welded with a flange, the pipeline supporting device 4 comprises a supporting frame 41, the supporting frame 41 is of an inverted U-shaped structure, the supporting frame 41 is vertically fixed on the bottom plate 1, a through hole 47 is formed in the top of the supporting frame, the through hole 47 is rectangular, and two supporting plates 42 are arranged in the through hole 47; the two support plates 42 are arranged symmetrically to each other; guide blocks 46 are arranged on two sides of the support plate 42, the guide blocks 46 are slidably arranged in guide grooves 45, and the guide grooves 45 are arranged on the side walls of the through holes 47.
The opposite sides of the two support plates 42 are provided with inclined surfaces, and the inclined surfaces of the two support plates 42 are in contact with the outer wall of the pipe to support and fix the pipe.
The bottom of the supporting plate 42 is in threaded connection with a screw 43; the screw 43 is divided into a first screw section 431 and a second screw section 432, and the screw threads of the first screw section 431 and the second screw section 432 are opposite in rotation direction; a support plate 42 is threadably connected to the first screw section 431; the other support plate 42 is threadedly coupled to the second screw section 432 such that the two support plates 42 move in opposite directions when the screw 43 is rotated.
A shoulder 433 is provided between the first screw section 431 and the second screw section 432 to prevent the two support plates 42 from colliding with each other.
The two ends of the screw 43 are rotatably connected with the support frame 41, one end of the screw 43 penetrates through the support frame 41 and is fixedly provided with a hand wheel 44, the screw 43 is driven to rotate by rotating the hand wheel 44, the two support plates 42 move in opposite directions, and therefore the distance between the two support plates 42 is adjusted to adapt to pipelines with different diameters.
The utility model discloses a theory of operation:
when the flange fixing device is used, the corresponding threaded hole group and the corresponding positioning bolt 3 are selected according to the nominal diameter of the flange, the positioning bolt 3 is screwed into the threaded hole 21 to extend out of the flange template 2, the bolt hole of the flange is aligned to the positioning bolt 3, the flange is pushed into the end face of the flange to be abutted against the side face of the flange template 2, the two supporting seats 51 are adjusted to enable the inclined faces of the supporting seats 51 to be abutted against the outer circular face of the flange, and then the flange is locked and fixed through the locking bolt 52; then the pipeline is inserted into the flange, the hand wheel 44 is rotated to drive the screw 43 to rotate, so that the two support plates 42 move reversely, the distance between the two support plates 42 is adjusted, the inclined surfaces of the two support plates 42 are abutted to the outer diameter of the pipeline, the positioning of the pipeline and the flange is completed, and the axial lines of the flange and the pipeline are ensured to be perpendicular to each other.
The utility model can make the correction more convenient when the flange is welded with the pipeline, the time consumption is short, and the working efficiency is high; the requirement on the skill of workers can be reduced, and the influence of human factors is small during correction, so that the flange and the pipeline are welded to form standardization; the correction deviation can be reduced, the rejection rate is reduced, and the pipeline connection is more convenient.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (8)
1. The utility model provides a flange and pipeline welding mould which characterized in that: the flange plate structure comprises a bottom plate (1) and a flange template (2), wherein the flange template (2) is vertically fixed on the bottom plate (1), and the flange template (2) is used for positioning flanges with different nominal diameters; a plurality of thread hole groups are arranged on the flange template (2); each thread hole group is arranged on different circumferences; each threaded hole group comprises a plurality of threaded holes (21) uniformly arranged along the circumferential direction; each threaded hole (21) is provided with a positioning bolt (3) in a matching way; a flange supporting device (5) is arranged at one end, close to the flange template (2), of the bottom plate (1), the flange supporting device (5) comprises two symmetrically arranged supporting seats (51), an inclined plane is arranged on one side, opposite to the two supporting seats (51), of each supporting seat, and the inclined planes of the two supporting seats (51) are in contact with the peripheral surface of the flange;
a pipeline supporting device (4) is arranged at one end, far away from the flange template (2), of the bottom plate (1), the pipeline supporting device (4) comprises a supporting frame (41) and two supporting plates (42), the supporting frame (41) is of an inverted U-shaped structure, and the supporting frame (41) is vertically fixed on the bottom plate (1); the top of the support frame (41) is provided with a rectangular through hole (47); the two support frames (41) are symmetrically arranged in the through hole (47); the bottom of the supporting plate (42) is in threaded connection with the screw (43); the screw (43) is divided into a first screw section (431) and a second screw section (432), and the screw threads of the first screw section (431) and the second screw section (432) are opposite in rotation direction; a support plate (42) connected to the first screw section (431); the other support plate (42) is connected with the second screw section (432), and when the screw (43) rotates, the two support plates (42) move reversely.
2. A flange and pipe welding die as defined in claim 1, wherein: the supporting seat (51) is arranged on the sliding rail (53) in a sliding manner; the sliding rail (53) is fixedly arranged on the bottom plate (1), and the distance between the two supporting seats (51) is adjusted by the supporting seats (51) sliding on the sliding rail (53).
3. A flange and pipe welding die as defined in claim 1, wherein: the opposite sides of the two supporting plates (42) are provided with inclined surfaces, and the inclined surfaces of the two supporting plates (42) are in contact with the outer wall of the pipeline.
4. A flange and pipe welding die as defined in claim 1, wherein: the two sides of the supporting plate (42) are provided with guide blocks (46), the guide blocks (46) are arranged in guide grooves (45) in a sliding mode, and the guide grooves (45) are arranged on the side walls of the through holes (47).
5. A flange and pipe welding die as defined in claim 1, wherein: when the flange is positioned, the positioning bolt (3) penetrates through and extends out of the flange template (2); the length of the positioning bolt (3) extending out of the flange template (2) is greater than the thickness of the flange; the number of the threaded holes (21), the diameter of the threaded holes (21) and the central circle diameter of the threaded holes (21) in each threaded hole group are the same as the number of bolt holes of the flange to be positioned, the diameter of the bolt holes and the central circle diameter of the bolt holes.
6. A flange and pipe welding die as defined in claim 2, wherein: and a locking bolt (52) is arranged between the supporting seat (51) and the sliding rail (53), and the supporting seat (51) is locked and positioned through the locking bolt (52).
7. A flange and pipe welding die as defined in claim 1, wherein: the two ends of the screw rod (43) are rotatably connected with the support frame (41), one end of the screw rod (43) penetrates out of the support frame (41), and a hand wheel (44) is fixedly arranged on the screw rod.
8. A flange and pipe welding die as defined in claim 1, wherein: and a shaft shoulder (433) is arranged between the first screw section (431) and the second screw section (432).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922267779.4U CN211539999U (en) | 2019-12-17 | 2019-12-17 | Flange and pipeline welding mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922267779.4U CN211539999U (en) | 2019-12-17 | 2019-12-17 | Flange and pipeline welding mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211539999U true CN211539999U (en) | 2020-09-22 |
Family
ID=72506781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922267779.4U Active CN211539999U (en) | 2019-12-17 | 2019-12-17 | Flange and pipeline welding mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211539999U (en) |
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2019
- 2019-12-17 CN CN201922267779.4U patent/CN211539999U/en active Active
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