Variable-diameter flaring forming die for seamless steel pipe
By introducing a fan blade and heat-absorbing plate cooling system into the flaring mold of seamless steel pipe, combined with a water storage box and guide pipe, the problem of heat accumulation in the mold is solved, achieving efficient cooling and extending the mold life, and adapting to the cooling needs of different steel pipe sizes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-15
- Publication Date
- 2026-04-10
AI Technical Summary
Existing seamless steel pipe flaring forming molds generate a lot of heat during processing, which accelerates mold wear and affects the microstructure and properties of the steel pipe.
A seamless steel pipe variable diameter flaring forming mold was designed, which adopts a fan blade and heat absorption plate cooling system, combined with a water storage box and guide pipe. The cooling effect is improved by combining airflow cooling and water cooling, and the airflow range is adjusted by a bidirectional screw to adapt to different steel pipe sizes.
It improves the service life of the mold, reduces the impact on the microstructure and properties of the steel pipe, and enhances the cooling effect and the adaptability of the mold.
Smart Images

Figure CN224101661U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of seamless steel pipe processing, and particularly relates to a variable-diameter flaring forming die for a seamless steel pipe. BACKGROUND
[0002] In modern industrial production, seamless steel pipes are widely used in many fields such as petroleum, chemical industry, machinery manufacturing, and building. In these application scenarios, the pipe openings of the seamless steel pipes often need to be flared to meet the requirements of pipeline connection and part assembly process.
[0003] The flaring forming die in the prior art mainly comprises a rack and a flaring mechanism. During use, the seamless steel pipe is placed and fixed on the rack so that it corresponds to the flaring mechanism, and then the flaring mechanism is started to process the diameter of the seamless steel pipe.
[0004] However, in the prior art, it is found that during the processing of the seamless steel pipe by the flaring mechanism, a large amount of heat is generated through mutual friction, which is difficult to release quickly, thereby accelerating the wear of the die and affecting the structure and performance of the seamless steel pipe. Therefore, a variable-diameter flaring forming die for a seamless steel pipe is proposed to solve the above problems. SUMMARY
[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art, the utility model provides a variable-diameter flaring forming die for a seamless steel pipe.
[0006] The utility model discloses a variable-diameter flaring forming die for a seamless steel pipe, which comprises a flaring forming die body, an outer shell is arranged on the side wall of the flaring forming die body, a driving motor is fixedly connected to the inner side wall of the outer shell, a fan blade is fixedly connected to the output end of the driving motor, a flow guide pipe is fixedly connected to the side wall of the outer shell, a plurality of first air outlets are uniformly arranged in the side wall of the flow guide pipe, a water storage box is fixedly connected to the inner side wall of the outer shell, and a plurality of heat absorption plates are fixedly connected to the side wall of the water storage box.
[0007] Preferably, a pair of openings are arranged in the side wall of the flow guide pipe, the openings are symmetrically arranged on both sides of the flow guide pipe and have the same structure, a connecting pipe is slidably connected to the side wall of the openings, a plurality of second air outlets are uniformly arranged in the side wall of the connecting pipe, a bidirectional screw rod is rotatably connected to the side wall of the outer shell, a pair of connecting blocks are symmetrically and threadedly connected to the side wall of the bidirectional screw rod, and the connecting blocks are fixedly connected to the connecting pipe.
[0008] Preferably, the flared forming die body side wall is fixed with a guide rail; the guide rail inner side wall is slidably connected with a sliding block; the sliding block is in fixed connection with the outer shell; the sliding block side wall is fixed with a pair of supporting plates; the supporting plates are symmetrically arranged on both sides of the sliding block and are identical in structure; the supporting plate side wall is fixed with a spring; the spring end is fixed with an insertion block; the insertion block side wall is fixed with a pull plate; the pull plate penetrates the supporting plate wall and is slidably connected therewith; the guide rail side wall is uniformly provided with a plurality of insertion slots.
[0009] Preferably, the connecting block side wall is provided with a cleaning brush plate; the cleaning brush plate side wall is fixed with a connecting rod.
[0010] Preferably, the connecting block side wall is provided with a fixing groove; the fixing groove side wall is slidably connected with a fixing block; the fixing block is in fixed connection with the cleaning brush plate; the fixing block side wall is fixed with a rubber pad.
[0011] Preferably, the sliding block side wall is fixed with a pair of spring rods; the spring rods are symmetrically arranged on both sides of the sliding block and are identical in structure; the spring rod end is fixed with a scraper.
[0012] The utility model discloses beneficial effects:
[0013] 1. The utility model provides a seamless tube variable diameter flared forming die, through the setting fan leaf and heat absorption plate, can play the cooling effect when the seamless tube processing, simultaneously using water storage box and heat absorption plate make fan leaf blow out cold wind, can further increase the cooling speed of seamless tube and flared forming die body, improve cooling effect, further increase the service life of flared forming die body, reduce the influence to the organization structure and performance of seamless tube.
[0014] 2. The utility model provides a seamless tube variable diameter flared forming die, through the setting bidirectional screw rod, can play the adjusting effect to the air blowing range of flow guide pipe, increases the use range of flow guide pipe, further simultaneously increases the sufficient contact action of airflow and seamless tube, improves cooling effect. ACCURATE DRAWINGS
[0015] The drawings described here are used to provide further understanding of the utility model and constitute a part of the application, and the illustrative embodiment of the utility model and its description are used to explain the utility model and do not constitute undue limitation on the utility model. In the drawings:
[0016] Figure 1 It is the perspective view of the utility model;
[0017] Figure 2 It is the perspective view of the utility model shell;
[0018] Figure 3 It is the perspective view of the flow guide pipe in the utility model;
[0019] Figure 4 is Figure 3 is a local enlarged view of A in figure
[0020] Figure 5 is a perspective view of the guide rail in the utility model.
[0021] Legend:
[0022] 1, flared forming die body; 11, outer shell; 12, drive motor; 13, fan blade; 14, flow guide pipe; 15, first air outlet; 16, water storage box; 17, heat absorbing plate; 2, opening; 21, connecting pipe; 22, second air outlet; 23, bidirectional screw; 24, connecting block; 3, guide rail; 31, sliding block; 32, support plate; 33, spring; 34, plug block; 35, pull plate; 36, plug groove; 4, cleaning brush plate; 41, connecting rod; 5, fixed groove; 51, fixed block; 52, rubber pad; 6, spring rod; 61, scraper. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] Specific embodiments are given below.
[0025] Please refer to Figures 1-5The utility model provides a seamless steel pipe variable diameter flaring forming die, including flaring forming die body 1, the flaring forming die body 1 side wall is equipped with the outer shell 11, the outer shell 11 inner side wall is fixedly connected with drive motor 12, drive motor 12 output is fixedly connected with fan blade 13, the outer shell 11 side wall is fixedly connected with the flow guide pipe 14, the flow guide pipe 14 side wall is evenly equipped with a plurality of first air outlet 15, the outer shell 11 inner side wall is fixedly connected with the water storage box 16, the water storage box 16 side wall is evenly fixedly connected with a plurality of heat absorption plate 17, when using, through starting drive motor 12, utilizes drive motor 12 to drive fan blade 13 to rotate and produces certain airflow, its external airflow is sucked into the outer shell 11 and enters the flow guide pipe 14, finally blows out to the outside through first air outlet 15, when airflow passes through heat absorption plate 17, utilizes heat absorption plate 17 to absorb part of heat in airflow, at this time, because the water body in water storage box 16, can make the heat absorbed by heat absorption plate 17 be conducted into water storage box 16, the heat absorbed by heat absorption plate 17 is cooled through water, to the cooling effect of the seamless steel pipe processing in this process, simultaneously utilizes water storage box 16 and heat absorption plate 17 to make fan blade 13 blow cold wind, can further increase the cooling speed of seamless steel pipe and flaring forming die body 1, improve cooling effect, to increase the service life of flaring forming die body 1, reduce the influence to the organization structure and performance of seamless steel pipe.
[0026] Further, as shown in Figures 1-5 The flow guide pipe 14 side wall is provided with a pair of openings 2; the openings 2 are symmetrically arranged on both sides of the flow guide pipe 14 and have the same structure; the connecting pipe 21 is slidably connected to the side wall of the opening 2; a plurality of second air outlets 22 are evenly formed in the side wall of the connecting pipe 21; the outer shell 11 is rotatably connected to the side wall of the double screw 23; a pair of connecting blocks 24 are symmetrically and threadedly connected to the side wall of the double screw 23; the connecting blocks 24 are fixedly connected to the connecting pipe 21; when in use, the double screw 23 is held and rotated, and the connecting blocks 24 are moved in opposite directions by threadedly cooperating with the double screw 23, so as to drive the connecting pipe 21 to slide in the opening 2 and adjust the blowing range, and at this time, part of the airflow enters the connecting pipe 21 and is finally sprayed to the outside through the second air outlet 22. In this process, the blowing range of the flow guide pipe 14 can be adjusted, the use range of the flow guide pipe 14 is increased, and the full contact between the airflow and the seamless steel pipe is increased at the same time, thereby improving the cooling effect.
[0027] Further, as shown in Figures 1-5As shown, the flared forming die body 1 side wall is fixed with guide rail 3; the guide rail 3 inner side wall is slidingly connected with a sliding block 31; the sliding block 31 and the outer shell 11 are in fixed connection; the sliding block 31 side wall is fixed with a pair of support plates 32; the support plates 32 are symmetrically arranged on both sides of the sliding block 31 and have the same structure; the support plate 32 side wall is fixed with a spring 33; the spring 33 end is fixed with an insertion block 34; the insertion block 34 side wall is fixed with a pull plate 35; the pull plate 35 penetrates the wall of the support plate 32 and is slidingly connected therewith; the guide rail 3 side wall is uniformly provided with a plurality of insertion slots 36; in use, first hold the pull plate 35 and pull, make it drive the insertion block 34 to move, after pulling it out of the insertion slot 36, the outer shell 11 can be pulled, the sliding block 31 slides in the guide rail 3, the height of the outer shell 11 is adjusted, at this time the insertion block 34 and the insertion slot 36 position corresponding to one of them, then release the pull plate 35, use the elasticity of the spring 33 to push the insertion block 34 into the side wall of the insertion slot 36, the sliding block 31 can be fixed to complete the height adjustment of the outer shell 11, in the process, the convenience of height adjustment of the outer shell 11 can be achieved, the adaptability of different length seamless steel pipe cooling is increased, and the use range of the outer shell 11 is further increased.
[0028] Further, as shown in Figures 1-5 The connecting block 24 side wall is provided with a cleaning brush plate 4; the cleaning brush plate 4 side wall is fixed with a connecting rod 41; in use, through the process of bidirectional screw rod 23 rotation and connecting block 24 movement, the bristles on the side wall of the cleaning brush plate 4 can pass through the surface of the bidirectional screw rod 23 to clean the surface, and in the process of cleaning the bristles, the connecting rod 41 can be used to fixedly connect a plurality of bristles so that they can be concentrated together during cleaning, which can clean the dust and impurities attached to the surface of the bidirectional screw rod 23, reduce the occurrence of blockage caused by dust and impurities entering between the bidirectional screw rod 23 and the connecting block 24, thereby increasing the smoothness of the connecting block 24 movement, reducing the corrosion of the bidirectional screw rod 23 caused by long-term attachment of dust and impurities, and further increasing the service life of the bidirectional screw rod 23.
[0029] Further, as shown in Figures 1-5 The connecting block 24 side wall is provided with a fixed slot 5; the fixed slot 5 side wall is slidingly connected with a fixed block 51; the fixed block 51 and the cleaning brush plate 4 are in fixed connection; the fixed block 51 side wall is fixed with a rubber pad 52; in use, by inserting the fixed block 51 into the fixed slot 5, the rubber pad 52 is in full contact with the fixed slot 5 and generates a certain friction force, the fixed block 51 can be fixed to complete the installation and fixation of the cleaning brush plate 4, which can achieve the convenience of dismounting and installing the cleaning brush plate 4, improve the effect of dismounting and replacing the cleaning brush plate 4, and further increase the practicality of the cleaning brush plate 4.
[0030] Further, as shown in Figures 1-5 The spring rod 6 is fixed to the side wall of the sliding block 31. The end of the spring rod 6 is fixed with a scraper 61. During the sliding process of the sliding block 31 in the guide rail 3, the scraper 61 can scrape the dust and impurities attached to the inner side wall of the guide rail 3. At the same time, the friction between the scraper 61 and the guide rail 3 can cause wear. At this time, the elasticity of the spring rod 6 can push the scraper 61, so that the scraper 61 can always fully adhere to the inner side wall of the guide rail 3. During the process, the dust and impurities attached to the inner side wall of the guide rail 3 can be cleaned, the smoothness of the sliding block 31 in the guide rail 3 can be improved, and the situation that the dust and impurities are blocked between the sliding block 31 and the guide rail 3 can be reduced.
[0031] Working principle: in use, by starting the drive motor 12, the use of drive motor 12 driven fan 13 rotation and produce a certain airflow, its external airflow suction into the shell 11 into the flow pipe 14, finally through the first air outlet 15 to the outside world, while the airflow through the heat absorbing plate 17, the use of heat absorbing plate 17 can absorb part of the heat in the airflow, at this time due to the water in the water storage box 16, can make the heat absorbing plate 17 absorbed by the heat conduction into the water storage box 16, through the water cooling heat absorbing plate 17 absorbs the heat, so that the fan 13 blowing cold wind, in use, by holding the two-way screw rod 23 and rotate, the use of connecting block 24 and two-way screw rod 23 thread cooperation, can make both sides connecting block 24 to the opposite direction, thus driving the connecting pipe 21 in the hole 2 sliding, adjust the blowing range, at this time can make part of the airflow into the connecting pipe 21, finally through the second air outlet 22 to the outside world, in use, first hold the pull plate 35 and pull, make it drive the plug 34 movement, from the slot 36 pull out, you can pull the shell 11, the slide 31 in the guide rail 3 sliding, the height of the shell 11 adjustment, at this time can make the plug 34 and one of the slot 36 position corresponding, then release the pull plate 35, the use of spring 33 of the elasticity of the plug 34 into the slot 36 side wall, you can slide 31 fixed, to complete the height adjustment of the shell 11, in use, by two-way screw rod 23 rotation and connecting block 24 movement in the process, can make the brush on the side wall of the cleaning brush plate 4 through the surface of the two-way screw rod 23, clean its surface, and in the process of cleaning the brush, the use of connecting rod 41 can be fixed connection of multiple bristles, so that they can be concentrated together in the cleaning process, in use, by inserting the fixed block 51 into the fixed groove 5, make the rubber pad 52 and fixed groove 5 full contact and generate a certain friction force, you can fix the fixed block 51, to complete the installation and fixation of the cleaning brush plate 4, in use, with the slide 31 in the guide rail 3 sliding in the process, can make the scraper 61 in the guide rail 3 inner wall scraping, will adhere to the dirt and impurities, at the same time with the scraper 61 and guide rail 3 contact each other friction will cause wear, at this time the elasticity of the spring rod 6 will push the scraper 61, make the scraper 61 can always with the guide rail 3 inner wall full of paste.
[0032] The above shows and describes the basic principle, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements fall within the scope of the present application.
Claims
1. A variable diameter flaring forming die for seamless steel pipes, comprising a flaring forming die body (1); characterized in that: The flared forming die body (1) side wall is provided with an outer shell (11); the inner side wall of the outer shell (11) is fixedly connected with a drive motor (12); the output end of the drive motor (12) is fixedly connected with a fan blade (13); the side wall of the outer shell (11) is fixedly connected with a flow guide pipe (14); the side wall of the flow guide pipe (14) is uniformly provided with a plurality of first air outlet holes (15); the inner side wall of the outer shell (11) is fixedly connected with a water storage box (16); the side wall of the water storage box (16) is uniformly fixedly connected with a plurality of heat absorbing plates (17).
2. A variable diameter flaring die for seamless steel tubes as set forth in claim 1, characterized in that: The side wall of the flow guide pipe (14) is provided with a pair of openings (2); the openings (2) are symmetrically arranged on both sides of the flow guide pipe (14) and have the same structure; the side wall of the opening (2) is slidably connected with a connecting pipe (21); the side wall of the connecting pipe (21) is uniformly provided with a plurality of second air outlet holes (22); the side wall of the outer shell (11) is rotatably connected with a bidirectional screw (23); the side wall of the bidirectional screw (23) is symmetrically and threadedly connected with a pair of connecting blocks (24); the connecting blocks (24) and the connecting pipe (21) are in fixed connection.
3. The variable diameter flaring die for seamless steel tubes as recited in claim 1, characterized by: The side wall of the flared forming die body (1) is fixedly connected with a guide rail (3); the inner side wall of the guide rail (3) is slidably connected with a sliding block (31); the sliding block (31) and the outer shell (11) are in fixed connection; the side wall of the sliding block (31) is fixedly connected with a pair of supporting plates (32); the supporting plates (32) are symmetrically arranged on both sides of the sliding block (31) and have the same structure; the side wall of the supporting plate (32) is fixedly connected with a spring (33); the end of the spring (33) is fixedly connected with a plug block (34); the side wall of the plug block (34) is fixedly connected with a pull plate (35); the pull plate (35) penetrates the wall of the supporting plate (32) and is slidably connected therewith; the side wall of the guide rail (3) is uniformly provided with a plurality of insertion grooves (36).
4. A variable diameter flaring die for seamless steel tubes as set forth in claim 2, characterized in that: The side wall of the connecting block (24) is provided with a cleaning brush plate (4); the side wall of the cleaning brush plate (4) is fixedly connected with a connecting rod (41).
5. A variable diameter flaring die for seamless steel tubes as set forth in claim 4, characterized in that: The side wall of the connecting block (24) is provided with a fixed groove (5); the side wall of the fixed groove (5) is slidably connected with a fixed block (51); the fixed block (51) and the cleaning brush plate (4) are in fixed connection; the side wall of the fixed block (51) is fixedly connected with a rubber pad (52).
6. A variable diameter flaring die for seamless steel tubes as set forth in claim 3, characterized in that: The side wall of the sliding block (31) is fixedly connected with a pair of spring rods (6); the spring rods (6) are symmetrically arranged on both sides of the sliding block (31) and have the same structure; the end of the spring rod (6) is fixedly connected with a scraper (61).