A seamless steel pipe rounding die with a replacement structure

Abstract

The utility model relates to seamless steel pipe rounding die technical field discloses a seamless steel pipe rounding die with replacement structure, including first semicircle seat, second semicircle seat, first semicircle die, second semicircle die, the side of first semicircle die and second semicircle die all are fixed with connecting sleeve, the first connecting groove is connected with first mounting bolt, the utility model discloses the insertion hole is set up in the first semicircle seat and second semicircle seat, and the connecting sleeve is fixed in the side of first semicircle die, second semicircle die, therefore when carrying out combination installation, the first semicircle die, second semicircle die are placed in the hollow groove, then let the insertion rod insert through the insertion hole, and install the second mounting bolt at the position of second screw groove, let the second mounting bolt complete the connecting assembly between first semicircle seat and side plate, and it is more convenient when assembling and replacing first semicircle die, second semicircle die.

Description

Technical Field

[0001] This utility model relates to the field of seamless steel pipe rounding mold technology, specifically a seamless steel pipe rounding mold with a replacement structure. Background Technology

[0002] Seamless steel pipes are made by piercing a whole round steel bar and have no weld seams on the surface. They have high tensile strength and yield strength, and can withstand large external forces without deformation or breakage. Seamless steel pipes have good processing performance, are easy to cut and weld, and the welded joints have high strength and good sealing performance. Seamless steel pipes have good corrosion resistance, and different materials can be selected according to different usage environments and media requirements.

[0003] Seamless steel pipes are widely used in various fields due to their excellent performance. However, during the processing of seamless steel pipes, it is necessary to process them into different shapes. This process requires the use of a round mold. A round mold is a mold used to make round objects. It is usually made up of two semicircles. However, the required size varies depending on the actual needs. If it is inconvenient to replace, multiple models of round molds may be used to meet different sizes, which directly affects the convenience. Utility Model Content

[0004] The purpose of this utility model is to provide a seamless steel pipe round mold with a replaceable structure to solve the problem mentioned in the background art that the required size varies according to actual needs, and if replacement is inconvenient, multiple models of round molds are used to meet different sizes, which directly affects convenience.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a seamless steel pipe round mold with a replacement structure, comprising a first semi-circular seat, a second semi-circular seat, a first semi-circular mold, and a second semi-circular mold. Hollow grooves are formed within the first and second semi-circular seats. Connecting sleeves are fixed to the sides of both the first and second semi-circular molds. Insertion holes are provided within both the first and second semi-circular seats, and insertion rods are inserted into these holes. Side plates are fixed at the upper and lower positions of the sides of the insertion rods. Second threaded grooves are formed within the side plates, and second mounting bolts are connected to the second threaded grooves. First threaded grooves are formed at the upper and lower positions of the insertion holes. A reserved groove is formed within the connecting sleeve. A second connecting groove is formed within the insertion rod. A positioning groove is formed at one end of the connecting sleeve, and a first connecting groove is formed at the other end of the connecting sleeve. A first mounting bolt is connected to the first connecting groove.

[0006] As a further technical solution of this utility model, a threaded connection is formed between the first mounting bolt and the second connecting groove, and a threaded connection is formed between the first mounting bolt and the first connecting groove.

[0007] As a further technical solution of this utility model, the first connecting groove and the positioning groove are distributed in the same position within the connecting sleeve, and the external dimension of the insertion rod is smaller than the internal dimension of the reserved groove.

[0008] As a further technical solution of this utility model, the side plates are symmetrically distributed about the central axis of the insertion rod, and the tail end of the insertion rod is inserted into the interior of the connecting sleeve.

[0009] As a further technical solution of this utility model, a threaded connection is formed between the second mounting bolt and the second threaded groove, and a threaded connection is formed between the second mounting bolt and the first threaded groove.

[0010] As a further technical solution of this utility model, mounting pieces are fixed at the upper and lower positions of the sides of the first semicircular seat and the second semicircular seat. A reserved hole is opened in the mounting piece, and a locking pin is inserted in the reserved hole. Threaded ends are fixed at both ends of the locking pin, and a locking nut is connected to the outside of the threaded end.

[0011] As a further technical solution of this utility model, the locking nut and the threaded end form a threaded connection, and the locking nut is symmetrically distributed about the central axis of the locking pin.

[0012] As a further technical solution of this utility model, a first adhesive layer is fixed on the inner wall of the hollow groove, and a protective pad is bonded to the outside of the first adhesive layer.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the seamless steel pipe round mold with replacement structure not only improves the replacement capability, but also improves the assembly convenience and interval protection capability of the round mold.

[0014] (1) By opening insertion holes in the first semicircular seat and the second semicircular seat, and fixing connecting sleeves on the sides of the first semicircular mold and the second semicircular mold, when assembling and installing, the first semicircular mold and the second semicircular mold are placed in the hollow groove, and then the insertion rod is inserted through the insertion hole, and the tail end of the insertion rod reaches the reserved groove in the connecting sleeve. Then, the first mounting bolt is used to connect and lock through the first connecting groove, the second connecting groove and the positioning groove, and the second mounting bolt is installed at the position of the second thread groove, so that the second mounting bolt completes the connection and assembly between the first semicircular seat and the side plate. This makes it more convenient to assemble and replace the first semicircular mold and the second semicircular mold.

[0015] (2) By installing and fixing the mounting piece in the upper and lower positions of the first semicircular seat and the second semicircular seat, and opening a reserved hole inside the mounting piece, when connecting and assembling the first semicircular seat and the second semicircular seat, after the two sets of mounting pieces are matched and corresponded, the locking pin is inserted from the reserved hole, and then the locking nut is used to lock the position at the threaded ends of the locking pin, thereby improving the overall assembly convenience during the working process.

[0016] (3) A hollow groove is formed in the first semicircular seat and the second semicircular seat, and a first adhesive layer is fixed on the inner wall of the hollow groove. A protective pad is bonded to the outside of the first adhesive layer. Therefore, the first semicircular mold and the second semicircular mold are located in the hollow groove. At this time, the outer walls of the first semicircular mold and the second semicircular mold can contact the protective pad. In this way, the first semicircular mold and the second semicircular mold can be separated from the first semicircular seat and the second semicircular seat during the working process, thereby improving the overall spacing protection capability. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0018] Figure 2 This is a bottom view sectional structural diagram of the connecting sleeve of this utility model;

[0019] Figure 3 For the present utility model Figure 1 Enlarged cross-sectional view of point A in the middle;

[0020] Figure 4 This is a partial frontal cross-sectional view of the mounting plate of this utility model.

[0021] In the diagram: 1. First semicircular seat; 2. Mounting piece; 3. Second semicircular seat; 4. First adhesive layer; 5. First semicircular mold; 6. Protective pad; 7. Hollow groove; 8. Second semicircular mold; 9. Connecting sleeve; 10. First connecting groove; 11. Reserved groove; 12. Insertion rod; 13. Second connecting groove; 14. Positioning groove; 15. First mounting bolt; 16. Second mounting bolt; 17. First threaded groove; 18. Insertion hole; 19. Second threaded groove; 20. Side plate; 21. Reserved hole; 22. Locking pin; 23. Locking nut; 24. Threaded end. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 This utility model provides an embodiment of a seamless steel pipe circular mold with a replacement structure, comprising a first semicircular seat 1, a second semicircular seat 3, a first semicircular mold 5, and a second semicircular mold 8. Hollow grooves 7 are formed in the first semicircular seat 1 and the second semicircular seat 3. Connecting sleeves 9 are fixed to the sides of both the first semicircular mold 5 and the second semicircular mold 8. Insertion holes 18 are provided in both the first semicircular seat 1 and the second semicircular seat 3. Insertion rods 12 are inserted into the insertion holes 18. Side plates 20 are fixed at the upper and lower positions of the sides of the insertion rods 12. Second threaded grooves 19 are provided in the side plates 20. Second mounting bolts 16 are connected to the second threaded grooves 19. First threaded grooves 17 are provided at the upper and lower positions of the insertion holes 18. A reserved groove 11 is formed in the connecting sleeve 9. A second connecting groove 13 is provided in the insertion rod 12. A positioning groove 14 is provided at one end of the connecting sleeve 9, and a first connecting groove 10 is provided at the other end of the connecting sleeve 9. A first mounting bolt 15 is connected to the first connecting groove 10.

[0024] A threaded connection is formed between the first mounting bolt 15 and the second connecting groove 13, and a threaded connection is formed between the first mounting bolt 15 and the first connecting groove 10.

[0025] The first connecting groove 10 and the positioning groove 14 are distributed in the same position within the connecting sleeve 9, and the external dimensions of the insertion rod 12 are smaller than the internal dimensions of the reserved groove 11.

[0026] The side plates 20 are symmetrically distributed about the central axis of the insertion rod 12, and the tail end of the insertion rod 12 is inserted into the interior of the connecting sleeve 9.

[0027] The second mounting bolt 16 forms a threaded connection with the second threaded groove 19, and the second mounting bolt 16 forms a threaded connection with the first threaded groove 17.

[0028] Mounting pieces 2 are fixed at the upper and lower positions of the sides of the first semicircular seat 1 and the second semicircular seat 3. A reserved hole 21 is opened in the mounting piece 2, and a locking pin 22 is inserted into the reserved hole 21. Threaded ends 24 are fixed at both ends of the locking pin 22, and locking nuts 23 are connected to the outside of the threaded ends 24.

[0029] A threaded connection is formed between the locking nut 23 and the threaded end 24, and the locking nut 23 is symmetrically distributed about the central axis of the locking pin 22.

[0030] A first adhesive layer 4 is fixed on the inner wall of the hollow groove 7, and a protective pad 6 is bonded to the outside of the first adhesive layer 4.

[0031] Furthermore, a hollow groove 7 is formed in the first semicircular seat 1 and the second semicircular seat 3. The hollow groove 7 is for the purpose of facilitating the assembly and replacement of the first semicircular mold 5 and the second semicircular mold 8.

[0032] When further connecting and assembling the first semicircular seat 1 and the second semicircular seat 3, after the two sets of mounting pieces 2 are aligned, the locking pins 22 are inserted into the reserved holes 21 to ensure that the first semicircular seat 1 and the second semicircular seat 3 are flush.

[0033] Working principle: First, during operation, a hollow groove 7 is formed inside the first semicircular seat 1 and the second semicircular seat 3. A first adhesive layer 4 is fixed to the inner wall of the hollow groove 7, and a protective pad 6 is bonded to the outside of the first adhesive layer 4. Therefore, the first semicircular mold 5 and the second semicircular mold 8 are located in the hollow groove 7. At this time, the outer walls of the first semicircular mold 5 and the second semicircular mold 8 can contact the protective pad 6, separating the first semicircular mold 5 and the second semicircular mold 8 from the first semicircular seat 1 and the second semicircular seat 3. When connecting and assembling the first semicircular seat 1 and the second semicircular seat 3, after the two sets of mounting pieces 2 align, a locking pin 22 is inserted into the reserved hole 21, and then... The positions of the threaded ends 24 are locked with locking nuts 23. After the first semicircular mold 5 and the second semicircular mold 8 are placed in the hollow groove 7, the insertion rod 12 is inserted through the insertion hole 18. The tail end of the insertion rod 12 reaches the reserved groove 11 in the connecting sleeve 9. The first mounting bolt 15 is used to connect and lock through the first connecting groove 10, the second connecting groove 13 and the positioning groove 14. The second mounting bolt 16 is installed at the position of the second threaded groove 19. The second mounting bolt 16 completes the connection and assembly between the first semicircular seat 1 and the side plate 20. Finally, after the positions of the first semicircular mold 5 and the second semicircular mold 8 are fixed, the processing of the seamless steel pipe is completed.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A seamless steel pipe rounding mold with a replacement structure, comprising a first semicircular seat (1), a second semicircular seat (3), a first semicircular mold (5), and a second semicircular mold (8), characterized in that: Hollow grooves (7) are formed in the first semicircular seat (1) and the second semicircular seat (3). Connecting sleeves (9) are fixed to the sides of the first semicircular mold (5) and the second semicircular mold (8). Insertion holes (18) are opened in the first semicircular seat (1) and the second semicircular seat (3). Insertion rods (12) are inserted into the insertion holes (18). Side plates (20) are fixed at the upper and lower positions of the sides of the insertion rods (12). Second threaded grooves (19) are opened in the side plates (20). The second threaded groove (19) is connected to the second mounting bolt (16), and the upper and lower positions of the insertion hole (18) are provided with the first threaded groove (17). The connecting sleeve (9) is formed with the reserved groove (11), the insertion rod (12) is provided with the second connecting groove (13), one end of the connecting sleeve (9) is provided with the positioning groove (14), the other end of the connecting sleeve (9) is provided with the first connecting groove (10), and the first mounting bolt (15) is connected to the first connecting groove (10).

2. The seamless steel pipe rounding mold with a replacement structure according to claim 1, characterized in that: The first mounting bolt (15) and the second connecting groove (13) form a threaded connection, and the first mounting bolt (15) and the first connecting groove (10) form a threaded connection.

3. The seamless steel pipe rounding mold with a replacement structure according to claim 1, characterized in that: The first connecting groove (10) and the positioning groove (14) are distributed in the same position within the connecting sleeve (9), and the external dimensions of the insertion rod (12) are smaller than the internal dimensions of the reserved groove (11).

4. A seamless steel pipe rounding mold with a replacement structure according to claim 1, characterized in that: The side plates (20) are symmetrically distributed about the central axis of the insertion rod (12), and the tail end of the insertion rod (12) is inserted into the interior of the connecting sleeve (9).

5. A seamless steel pipe rounding mold with a replacement structure according to claim 1, characterized in that: The second mounting bolt (16) forms a threaded connection with the second threaded groove (19), and the second mounting bolt (16) forms a threaded connection with the first threaded groove (17).

6. A seamless steel pipe rounding mold with a replacement structure according to claim 1, characterized in that: Mounting pieces (2) are fixed at the upper and lower positions of the sides of the first semicircular seat (1) and the second semicircular seat (3). A reserved hole (21) is opened in the mounting piece (2). A locking pin (22) is inserted in the reserved hole (21). Threaded ends (24) are fixed at both ends of the locking pin (22). Locking nuts (23) are connected to the outside of the threaded ends (24).

7. A seamless steel pipe rounding mold with a replacement structure according to claim 6, characterized in that: The locking nut (23) and the threaded end (24) form a threaded connection, and the locking nut (23) is symmetrically distributed about the central axis of the locking pin (22).

8. A seamless steel pipe rounding mold with a replacement structure according to claim 1, characterized in that: The inner wall of the hollow groove (7) is fixed with a first adhesive layer (4), and a protective pad (6) is bonded to the outside of the first adhesive layer (4).

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