CN210940535U - Large-scale tubular product turn-ups flange preparation equipment - Google Patents
Large-scale tubular product turn-ups flange preparation equipment Download PDFInfo
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- CN210940535U CN210940535U CN201921410411.2U CN201921410411U CN210940535U CN 210940535 U CN210940535 U CN 210940535U CN 201921410411 U CN201921410411 U CN 201921410411U CN 210940535 U CN210940535 U CN 210940535U
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Abstract
The utility model provides a large-scale tubular product turn-ups flange preparation equipment, its characterized in that: the equipment for manufacturing the flanging flange of the large-sized pipe comprises the large-sized pipe, a stepped inner shaft extending into the end part of the large-sized pipe and an outer die sleeve clamped at the periphery of the end part and the inner shaft of the large-sized pipe, wherein a limiting ring for fixing in the end part of the large-sized pipe is sleeved at the first end part of the stepped inner shaft, the shaft diameter of the first end part of the stepped inner shaft is smaller than that of the inner pipe wall of the large-sized pipe so as to form an annular gap ring, a groove is formed in the inner wall surface of the outer die sleeve, a pouring cavity for manufacturing the flanging flange is formed by the groove and the annular gap ring, a pouring central flow channel, a pouring inlet and a pouring outlet communicated with the pouring central. The large-scale pipe flanging flange manufacturing equipment is beneficial to facilitating the manufacturing of large-scale pipe end flanges and facilitating subsequent installation.
Description
The technical field is as follows:
the utility model relates to a large-scale tubular product turn-ups flange preparation equipment.
Background art:
the large pipes (large fiber pipes) usually refer to fiber pipes with the pipe diameter of more than 300 mm and the weight of more than ton, the large fiber pipes are manufactured into a round pipe shape in the production process, the pipes are usually used for large water or oil pipelines, when the pipes are used on site, the pipes need to be connected, the traditional method is fusion welding, fusion welding equipment is needed during fusion welding, the fusion welding equipment is large in volume and can be transported through carrying equipment in flat areas, however, the pipes are inconvenient to transport in hilly areas or mountain areas, and when the pipes are used in the areas, manual fusion welding is carried out gradually along the peripheral wall of the pipes, the mode is low in efficiency and high in labor intensity, and the fusion welded pipes are easy to be detached due to uneven heating, so that the leakage of fluid in the pipes is easy to cause.
The invention content is as follows:
an object of the utility model is to provide a large-scale tubular product turn-ups flange preparation equipment, this large-scale tubular product turn-ups flange preparation equipment are favorable to making things convenient for the preparation of large-scale tubular product tip flange, make things convenient for follow-up installation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses large-scale tubular product turn-ups flange preparation equipment, its characterized in that: the flange casting device comprises a large-sized pipe, a stepped inner shaft extending into the end part of the large-sized pipe and an outer die sleeve clamped at the periphery of the end part and the inner shaft of the large-sized pipe, wherein a limiting ring fixed in the end part of the large-sized pipe is sleeved at a first end part of the stepped inner shaft, the shaft diameter of the first end part of the stepped inner shaft is smaller than that of the inner pipe wall of the large-sized pipe so as to form an annular gap ring, a groove is formed in the inner wall surface of the outer die sleeve, a casting cavity for manufacturing a flange is formed by the groove and the annular gap ring, a casting central flow channel, a casting inlet gate and a casting outlet gate communicated with the casting.
Furthermore, the outer circumference of the limit ring is in transition fit with the inner wall surface of the end part of the large-sized pipe, and the inner circumference of the limit ring is in transition fit with the outer surface of the first end part of the stepped inner shaft.
Furthermore, the inner circumference of the limit ring is conical, and the head of the first end of the stepped inner shaft is conical and matched with the inner circumference of the conical limit ring.
Furthermore, an annular groove is formed in the outer peripheral wall of the large shaft diameter of the stepped inner shaft, and an annular flange matched with the annular groove is arranged on the outer die sleeve.
Furthermore, the outer die sleeve is formed by splicing two symmetrical half bodies, and the two symmetrical half bodies are symmetrical by a plane passing through the axis.
Furthermore, the first end inner hole of the outer die sleeve is matched with the outer peripheral surface of the end part of the large-sized pipe, and the second end inner hole of the outer die sleeve is matched with the outer peripheral surface of the large-diameter end of the stepped inner shaft.
The utility model discloses a manufacturing process of large-scale tubular product flanging flange, wherein large-scale tubular product flanging flange manufacturing equipment includes large-scale tubular product, the ladder inner shaft that stretches into the large-scale tubular product tip internal and the outer die sleeve of centre gripping in large-scale tubular product tip and inner shaft periphery, the first end cover of ladder inner shaft is equipped with the spacing ring that is used for fixing in the large-scale tubular product tip internal, the shaft diameter of ladder inner shaft first end is less than the inner pipe wall shaft diameter of large-scale tubular product to form annular clearance circle, the outer die sleeve internal face is equipped with the recess, and this recess and annular clearance circle form the pouring cavity of preparation flanging flange, be provided with pouring central runner, with pouring central runner intercommunication's in gate and play runner in the ladder inner shaft, it is just to pouring the cavity; when the flange is manufactured, the limiting ring is firstly extruded into the end part body of the large-sized pipe for a certain distance, then the stepped inner shaft is pushed in to enable the first end part to be matched with the inner circumference of the limiting ring for limiting, then the outer die sleeve is sleeved on the end part of the large-sized pipe and the outer circumference of the stepped inner shaft, and then molten plastic liquid is injected from the injection gate to enable the molten plastic liquid to fill the pouring cavity of the flange; and finally, after the plastic liquid is solidified, removing the outer die sleeve and pulling out the stepped inner shaft.
Furthermore, anti-skid lines are processed on the inner surface and the outer surface of the end part of the large pipe in advance, and the anti-skid lines are threads or straight lines.
Furthermore, the limit ring is extruded into the end body of the large-sized pipe by 10-20 cm.
Furthermore, the end part of the large pipe is in a cone mouth shape, and the taper of the large pipe is 1-3 degrees.
The utility model discloses large-scale tubular product turn-ups flange preparation equipment can be under construction the preparation turn-ups flange at the piping erection scene, it can be more convenient to make in the factory building in advance certainly, this preparation equipment simple structure, weight is not heavy, through two people, even one can accomplish, though relate to pouring of plastic in the manufacturing process, nevertheless adopt ordinary container and firing equipment to pour after can melting plastics, it is convenient to implement, and can guarantee the firm in connection of the turn-ups flange of pouring and tubular product, long service life, after turn-ups flange preparation is accomplished, can be through drilling through the electric drill on turn-ups flange, and it is fixed with two tubular product connections through construction bolt in the drilling of two tubular product turn-ups flanges, and can install the ring circle sealing washer on two tubular product turn-ups flanges's terminal surface and seal.
Description of the drawings:
FIG. 1 is a schematic view of the front cross-section structure of the present invention;
FIG. 2 is a schematic view of the K-K cross-sectional configuration of FIG. 1;
FIG. 3 is a schematic view of the front view cross-section structure of the utility model during casting;
FIG. 4 is a schematic cross-sectional structure of a flange formed by pouring a large pipe;
FIG. 5 is a schematic view of the configuration of FIG. 4 after the drilling process;
fig. 6 is a schematic view of the connection structure of two large pipes according to the present invention.
Fig. 7 is a schematic view of the construction of another embodiment of fig. 1.
The specific implementation mode is as follows:
the utility model discloses large-scale tubular product turn-ups flange preparation equipment includes large-scale tubular product 1, this large-scale tubular product 1 is the fibre tubular product of big pipe diameter, stretch into the internal ladder axle 2 in large-scale tubular product tip, this ladder interior axle 2 falls into little pipe diameter section and big pipe diameter section, the centre gripping has outer die sleeve 3 in large-scale tubular product tip (this tip is the position of planning to make the turn-ups flange promptly) and interior axle periphery (is located big pipe diameter section periphery), outer die sleeve 3 of this application is formed by the amalgamation of two halves, and fix through bolted connection, the first end of ladder interior axle (refer to the end towards large-scale tubular product 1) cover is equipped with the spacing ring 4 that is used for fixing in large-scale tubular product tip, this spacing ring 4 can be the metal ring, it need fix on the internal perisporium of large-scale tubular product 1 this turn-ups flange process in making, in order to realize the ladder of interior axle and outer die, so that the limit ring 4 can not move when no huge external force is applied in the large-scale pipe 1, and a certain thrust is needed when the limit ring 4 is pushed into the large-scale pipe 1 at first, the shaft diameter of the first end part of the stepped inner shaft is smaller than that of the inner pipe wall of the large pipe to form an annular gap ring 5, and when casting is carried out later, the annular gap ring 5 is fully poured with plastics, the inner wall surface of the outer die sleeve is provided with a groove 6, the groove 6 and the annular gap ring 5 form a pouring cavity 7 for manufacturing the flange A, a pouring central runner 8, a pouring inlet 9 and a pouring outlet 10 which are communicated with the pouring central runner are arranged in the stepped inner shaft body, the pouring outlet is opposite to the pouring cavity, when pouring the molten plastic liquid, a certain gravity can be generated by the aid of a higher vertical pipe vertically arranged at the pouring gate 9, so that the molten plastic liquid tends to be conveyed to the pouring cavity 7.
In one embodiment (as shown in fig. 1), in order to ensure the position of the limit ring 4 in the large pipe 1, the outer circumference of the limit ring 4 is in transition fit with the inner wall surface of the end of the large pipe, and in order to realize that the limit ring can position the axial position of the stepped inner shaft, the inner circumference and the inner circumference of the limit ring are in transition fit with the outer surface of the first end of the stepped inner shaft.
In another embodiment (as shown in fig. 7), the inner circumference of the limit ring 4 is tapered, the first end of the stepped inner shaft is tapered to match the inner circumference of the tapered limit ring, and the axial positioning of the stepped inner shaft can be better achieved through the tapered matching, when the portion of the large pipe 1 to be manufactured with the flanging flange is in the shape of a trumpet-shaped taper, the axial positioning effect of the limit ring and the stepped inner shaft is better, and the preferred taper is 1-3 degrees.
Furthermore, in order to better realize the axial positioning of the outer die sleeve, an annular groove 11 is formed in the outer peripheral wall with the large shaft diameter of the stepped inner shaft, an annular flange 12 matched with the annular groove is formed in the outer die sleeve, and the axial positioning of the outer die sleeve and the stepped inner shaft can be realized through the matching of the annular flange 12 and the annular groove 11.
Furthermore, in order to facilitate manufacturing and positioning, the outer die sleeve is formed by splicing two symmetrical half bodies, and the two symmetrical half bodies are symmetrical by a plane passing through the axis line.
Furthermore, in order to prevent liquid leakage during pouring, the inner hole of the first end of the outer die sleeve is matched with the outer peripheral surface of the end part of the large-sized pipe, the inner hole of the second end of the outer die sleeve is matched with the outer peripheral surface of the large-diameter end of the stepped inner shaft, and release agents are coated on the inner peripheral wall of the outer die sleeve and the outer peripheral surface of the stepped inner shaft in the manufacturing process.
The utility model discloses a manufacturing process of large-scale tubular product flanging flange, wherein large-scale tubular product flanging flange manufacturing equipment includes large-scale tubular product, the ladder inner shaft that stretches into the large-scale tubular product tip internal and the outer die sleeve of centre gripping in large-scale tubular product tip and inner shaft periphery, the first end cover of ladder inner shaft is equipped with the spacing ring that is used for fixing in the large-scale tubular product tip internal, the shaft diameter of ladder inner shaft first end is less than the inner pipe wall shaft diameter of large-scale tubular product to form annular clearance circle, the outer die sleeve internal face is equipped with the recess, and this recess and annular clearance circle form the pouring cavity of preparation flanging flange, be provided with pouring central runner, with pouring central runner intercommunication's in gate and play runner in the ladder inner shaft, it is just to pouring the cavity; when the flange is manufactured, the limiting ring is firstly extruded into the end part body of the large-sized pipe for a certain distance, then the stepped inner shaft is pushed in to enable the first end part to be matched with the inner circumference of the limiting ring for limiting, then the outer die sleeve is sleeved on the end part of the large-sized pipe and the outer circumference of the stepped inner shaft, and then molten plastic liquid is injected from the injection gate to enable the molten plastic liquid to fill the pouring cavity of the flange; and finally, after the plastic liquid is solidified, removing the outer die sleeve and pulling out the stepped inner shaft.
Furthermore, in order to enable the connection between the flange and the end of the pipe to be firmer, anti-skid grains are processed on the inner surface and the outer surface of the end of the large pipe in advance, and the anti-skid grains are threads or straight grains.
Furthermore, in order to ensure that the connection between the flange and the end of the pipe is firmer, the limit ring is extruded into the end body of the large pipe by 10-20 cm.
The utility model discloses large-scale tubular product turn-ups flange preparation equipment can be under construction the preparation turn-ups flange at the piping erection scene, it can be more convenient to make in the factory building in advance certainly, this preparation equipment simple structure, weight is not heavy, through two people, even one can accomplish, though relate to pouring of plastic in the manufacturing process, nevertheless adopt ordinary container and firing equipment to pour after can melting plastics, it is convenient to implement, and can guarantee the firm in connection of the turn-ups flange of pouring and tubular product, long service life, after turn-ups flange preparation is accomplished, can be through drilling through the electric drill on turn-ups flange, and it is fixed with two tubular product connections through construction bolt 14 in drilling 13 at two tubular product turn-ups flanges, and can install the ring circle sealing washer on the terminal surface of two tubular product turn-ups flanges and seal.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (6)
1. The utility model provides a large-scale tubular product turn-ups flange preparation equipment which characterized in that: the flange casting device comprises a large-sized pipe, a stepped inner shaft extending into the end part of the large-sized pipe and an outer die sleeve clamped at the periphery of the end part and the inner shaft of the large-sized pipe, wherein a limiting ring fixed in the end part of the large-sized pipe is sleeved at a first end part of the stepped inner shaft, the shaft diameter of the first end part of the stepped inner shaft is smaller than that of the inner pipe wall of the large-sized pipe so as to form an annular gap ring, a groove is formed in the inner wall surface of the outer die sleeve, a casting cavity for manufacturing a flange is formed by the groove and the annular gap ring, a casting central flow channel, a casting inlet gate and a casting outlet gate communicated with the casting.
2. The large-sized pipe flanging flange manufacturing equipment according to claim 1, characterized in that: the outer circumference of the limit ring is in transition fit with the inner wall surface of the end part of the large-sized pipe, and the inner circumference of the limit ring is in transition fit with the outer surface of the first end part of the stepped inner shaft.
3. The large-sized pipe flanging flange manufacturing equipment according to claim 1, characterized in that: the inner circumference of the limit ring is in a conical shape, and the head of the first end of the stepped inner shaft is in a conical shape matched with the inner circumference of the conical limit ring.
4. The large-sized pipe flanging flange manufacturing equipment according to claim 1, characterized in that: the outer die sleeve is provided with an annular flange matched with the annular groove.
5. The large-sized pipe flanging flange manufacturing equipment according to claim 1 or 4, characterized in that: the outer die sleeve is formed by splicing two symmetrical half bodies, and the two symmetrical half bodies are symmetrical by a plane passing through the axis.
6. The large-sized pipe flanging flange manufacturing equipment according to claim 1 or 4, characterized in that: the first end inner hole of the outer die sleeve is matched with the outer peripheral surface of the end part of the large-sized pipe, and the second end inner hole of the outer die sleeve is matched with the outer peripheral surface of the large-diameter end of the stepped inner shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410411.2U CN210940535U (en) | 2019-08-28 | 2019-08-28 | Large-scale tubular product turn-ups flange preparation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921410411.2U CN210940535U (en) | 2019-08-28 | 2019-08-28 | Large-scale tubular product turn-ups flange preparation equipment |
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| Publication Number | Publication Date |
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| CN210940535U true CN210940535U (en) | 2020-07-07 |
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| CN201921410411.2U Active CN210940535U (en) | 2019-08-28 | 2019-08-28 | Large-scale tubular product turn-ups flange preparation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481054A (en) * | 2019-08-28 | 2019-11-22 | 福州森百德机电科技有限公司 | Large pipe Flange making apparatus and its manufacture craft |
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2019
- 2019-08-28 CN CN201921410411.2U patent/CN210940535U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110481054A (en) * | 2019-08-28 | 2019-11-22 | 福州森百德机电科技有限公司 | Large pipe Flange making apparatus and its manufacture craft |
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