CN218574694U

CN218574694U - Extrusion rolling forming die for pipe end of hydraulic steel pipe

Info

Publication number: CN218574694U
Application number: CN202220862491.0U
Authority: CN
Inventors: 蔡加宝; 董伟; 潘秀连; 潘伟林
Original assignee: Guangdong Tuoen Pipe Industry Co ltd
Current assignee: Guangdong Tuoen Pipe Industry Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2023-03-07
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a hydraulic pressure steel pipe end extrusion rolling forming die, including extrusion preforming mould and roll forming mould as follows, extrusion preforming mould comprises bolt, extrusion mould, extrusion plug, guide pillar A and clamp die A, extrusion plug and bolt are installed respectively to the inside and the back end of extrusion mould, and one side of extrusion mould IS provided with clamp die A, clamp die A's guide pin bushing gomphosis IS connected with guide pillar A, and presss from both sides the embedding of mould A and extrusion mould between remain fashioned hydraulic steel pipe, the utility model discloses an extrusion preforming mould carries out roll forming with the help of roll forming mould again after carrying out extrusion shaping in advance to the body, has adopted standard O type circle to be the sealing member simultaneously, has improved sealing performance greatly, has reduced the sealing member cost to because our forming process has used the standard dimension space that IS08434-1 gives completely, greatly reduced the formation and warp to make the fracture risk reduce to minimum.

Description

Extrusion rolling forming die for pipe end of hydraulic steel pipe

Technical Field

The utility model relates to a hydraulic pressure steel pipe end extrusion roll forming technical field, in particular to hydraulic pressure steel pipe end extrusion roll forming die.

Background

In the technical field of pipe end connection in hydraulic pipelines, a formed pipe end belongs to the highest end connection technology, the pipe end forming technology is basically occupied by large foreign brands at present, and the brands are based on a special forming structure manufactured by a special forming machine and are matched with special sealing elements with patents, so that the current situations that a manufacturer is expensive in initial investment on forming equipment and expensive in sealing elements in later production are caused, and the manufactured pipe end belongs to foreign manufacturers, most of the manufactured pipe end can serve customers through other matched manufacturing capabilities such as an agency, steel pipe bending and the like, and the cost is higher.

At present, the complexity of a sealing element is mainly improved due to the design of a plurality of foreign brands of pipe end forming processes, so that the imitation cost is improved, the patents are protected, and the high-price market is maintained. Based on this point, the forming structure is not an optimal forming scheme, and in long-term use in the market, the equipment is easy to clamp the die, so that the die is scrapped, the die cost is high (6000 to 1 ten thousand per set), and the formed pipe end is also often broken at the forming part.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a hydraulic pressure steel pipe end extrusion rolling forming die, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a hydraulic steel pipe end extrusion rolling forming die comprises an extrusion preforming die and a rolling forming die as follows, the extrusion preforming die consists of a bolt, an extrusion die, an extrusion core rod, a guide pillar A and a clamping die A, the extrusion core rod and the bolt are respectively arranged in the extrusion die and at the back end of the extrusion die, and one side of the extrusion die is provided with a clamping die A, a guide sleeve of the clamping die A is embedded and connected with a guide pillar A, and a hydraulic steel pipe to be formed is embedded between the clamping die A and the extrusion die, the rolling forming die consists of a clamping die B, a guide pillar B, a rolling core rod, a hydraulic chuck mounting plate, a bearing end cover, a deep groove ball bearing A, a snap spring, a set screw, a thrust bearing, a nut, a die clamping jaw bracket, a clamping jaw mounting bolt, a deep groove ball bearing B and a rolling die, the guide pillar B is embedded and connected at the guide sleeve of the clamping die B, the middle part of the clamping die B extends out of the steel pipe to be roll-formed, a roll core rod is pushed into the pipe orifice at one end of the steel pipe to be roll-formed, the tail end of the rolling core rod penetrates through the thrust bearing, the bearing end cover, the deep groove ball bearing A and the clamp spring and then extends into the hydraulic chuck mounting plate, the thrust bearing and the bearing end cover are mounted on the surface of the hydraulic chuck mounting plate, a deep groove ball bearing A and a snap spring are arranged in the hydraulic bearing end cover, a set screw is screwed between the bearing end cover and the hydraulic chuck mounting plate, a rolling die is arranged on one side of a clamping die B above the steel pipe to be rolled and formed, the rear end of the rolling die is embedded into a deep groove ball bearing B of the die clamping jaw bracket, the rear end of the rolling die extends out of the deep groove ball bearing B and is screwed with a nut, and a clamping jaw mounting bolt is screwed between the die clamping jaw support and the top plate body of the hydraulic chuck mounting plate through threads.

Further, the rod head of the rolling mandrel is a bullet-shaped head.

Furthermore, a clamping cavity is arranged between the upper die body and the lower die body of the clamping die A, and a hydraulic steel pipe to be formed is clamped in the clamping cavity of the clamping die A.

Furthermore, a clamping cavity is arranged between the upper die body and the lower die body of the clamping die B, and a steel pipe to be subjected to roll forming is clamped in the clamping cavity of the clamping die B.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses an extrusion preforming mould carries out extrusion forming again with the help of the rolling forming mould after extrusion forming in advance to the body, has adopted standard O type circle to be the sealing member simultaneously, has improved sealing performance greatly, has reduced the sealing member cost to because our forming process has used the standard size space that IS08434-1 gave completely, greatly reduced forms and warp, thereby makes the fracture risk reduce to minimum.

Drawings

Fig. 1 is a schematic view of the overall structure of the extrusion preforming mold of the present invention.

Fig. 2 is the overall structure schematic diagram of the rolling forming mold of the present invention.

In the figure: 1. a bolt; 2. extruding the die; 3. extruding the core rod; 4. a guide pillar A; 5. clamping a die A; 6. a hydraulic steel pipe to be formed; 7. rolling and forming the steel pipe; 8. clamping a die B; 9. a guide pillar B; 10. rolling the core rod; 11. a hydraulic chuck mounting plate; 12. a bearing end cap; 13. a deep groove ball bearing A; 14. a clamp spring; 15. tightening the screw; 16. a thrust bearing; 17. a nut; 18. a mold jaw support; 19. a clamping jaw mounting bolt; 20. a deep groove ball bearing B; 21. and (5) rolling the die.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1-2, a hydraulic steel tube end extrusion rolling forming die comprises an extrusion preforming die and a rolling forming die, wherein the extrusion preforming die comprises a bolt 1, an extrusion die 2, an extrusion core rod 3, a guide pillar A4 and a clamp die A5, the extrusion core rod 3 and the bolt 1 are respectively installed inside and at the back end of the extrusion die 2, the clamp die A5 is arranged at one side of the extrusion die 2, the guide pillar A4 is connected to a guide sleeve of the clamp die A5 in an embedded manner, a hydraulic steel tube 6 to be formed is embedded between the clamp die A5 and the extrusion die 2, the rolling forming die comprises a clamp die B8, a guide pillar B9, a rolling core rod 10, a hydraulic chuck mounting plate 11, a bearing end cover 12, a deep groove ball bearing a13, a clamp spring 14, a set screw 15, a thrust bearing 16, a nut 17, a die clamping jaw support 18, a clamping jaw mounting bolt 19, a deep groove ball bearing B20 and a rolling die 21, a guide post B9 is connected at the position of a guide sleeve of the clamping die B8 in an embedded manner, the middle part of the clamping die B8 extends out of a steel pipe 7 to be roll-formed, a roll core rod 10 is pushed into a pipe orifice at one end of the steel pipe 7 to be roll-formed, the tail end of the roll core rod 10 penetrates through a thrust bearing 16, a bearing end cover 12, a deep groove ball bearing A13 and a clamp spring 14 and then extends into a hydraulic chuck mounting plate 11, the thrust bearing 16 and the bearing end cover 12 are mounted on the surface of the hydraulic chuck mounting plate 11, the deep groove ball bearing A13 and the clamp spring 14 are mounted inside the hydraulic bearing end cover 12, a set screw 15 is screwed between the bearing end cover 12 and the hydraulic chuck mounting plate 11 through threads, a rolling die 21 is arranged on one side of the clamping die B8 above the steel pipe 7 to be roll-formed, the rear end of the rolling die 21 is embedded into a deep groove ball bearing B20 of a die clamping jaw support 18, and a nut 17 is screwed after the rear end of the rolling die 21 extends out of the deep groove ball bearing B20, and a clamping jaw mounting bolt 19 is screwed between the mould clamping jaw bracket 18 and the top plate body of the hydraulic chuck mounting plate 11.

Further, the head of the rolling mandrel 10 is a bullet-shaped head.

Further, a clamping cavity is arranged between the upper die body and the lower die body of the clamping die A5, and a hydraulic steel pipe 6 to be formed is clamped in the clamping cavity of the clamping die A5.

Further, a clamping cavity is arranged between the upper die body and the lower die body of the clamping die B8, and the steel pipe 7 to be rolled and formed is clamped in the clamping cavity of the clamping die B8.

It should be noted that the utility model relates to a hydraulic pressure steel pipe end extrusion forming die, the utility model discloses an extrusion preforming mould carries out extrusion forming to the body in advance after with the help of the rolling forming die again and carries out roll forming, has adopted standard O type circle to be the sealing member simultaneously, has improved sealing performance greatly, has reduced the sealing member cost to because our forming process has used the standard dimension space that IS08434-1 gave completely, greatly reduced form and warp, thereby make the fracture risk reduce to minimumly.

When the hydraulic steel pipe rolling forming device works, a hydraulic steel pipe 6 to be formed can be clamped between clamping dies A5, when the clamping dies A5 are in butt joint, guide sleeves of the clamping dies A5 are in guide butt joint through guide posts A4, then an extrusion core rod 3 in an extrusion die 2 on one side of a bolt 1 is used for carrying out extrusion forming on the hydraulic steel pipe 6 to be formed to form a steel pipe 7 to be formed in a rolling mode, the steel pipe 7 to be formed in the rolling mode is placed into a clamping die B8 to be clamped, guide sleeves of the clamping dies B8 are in guide butt joint through guide posts B9, at the moment, a rolling core rod 10 arranged on a hydraulic chuck mounting plate 11 and a bearing end cover 12 through a deep groove ball bearing A13, a clamp spring 14, a set screw 15 and a thrust bearing 16 can be jacked into the steel pipe 7 to be formed in the rolling mode to be supported, at the moment, the rolling die 21 arranged on the core rod 10 through a nut 17, a die clamping jaw support 18, a clamping jaw mounting bolt 19 and a deep groove ball bearing B20 can be used for carrying out rolling forming on the steel pipe 7 to be formed in the rolling mode.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hydraulic pressure steel pipe end extrusion rolling forming die, includes extrusion preforming mould and rolling forming die, its characterized in that: the extrusion preforming die is composed of a bolt (1), an extrusion die (2), an extrusion core rod (3), a guide pillar A (4) and a clamp die A (5), the extrusion core rod (3) and the bolt (1) are respectively installed at the inner part and the back end of the extrusion die (2), the clamp die A (5) is arranged on one side of the extrusion die (2), the guide sleeve of the clamp die A (5) is connected with the guide pillar A (4) in an embedded mode, a hydraulic steel pipe (6) to be formed is embedded between the clamp die A (5) and the extrusion die (2), the rolling forming die is composed of a clamp die B (8), the guide pillar B (9), a rolling core rod (10), a hydraulic chuck installing plate (11), a bearing end cover (12), a deep groove ball bearing A (13), a clamp spring (14), a set screw (15), a thrust bearing (16), a nut (17), a clamp jaw die support (18), a clamp jaw installing bolt (19), a deep groove ball bearing B (20) and a rolling forming die (21), the guide sleeve B (8) of the clamp die B (8) is connected with the guide sleeve (9), the rolling core rod B (8), the middle of the clamp die B (7) extends out of the rolling forming die, the thrust bearing (7) penetrates through the rolling forming die A (10), and the end of the rolling forming die B (10) is connected with the rolling forming die (7) to be formed, and the end of the rolling forming die B (10), and the rolling forming bearing (10) to be formed, stretch into in hydraulic chuck mounting panel (11) behind bearing cap (12), deep groove ball bearing A (13) and jump ring (14), install in the surface of hydraulic chuck mounting panel (11) thrust bearing (16) and bearing cap (12), and the internally mounted of hydraulic bearing end cap (12) has deep groove ball bearing A (13) and jump ring (14), the screw thread has connect holding screw (15) soon between bearing cap (12) and hydraulic chuck mounting panel (11), treat that clamp die B (8) one side of roll forming steel pipe (7) top is provided with roll forming die (21), and in deep groove ball bearing B (20) of the rear end embedding mould clamping jaw support (18) of roll forming die (21), the rear end of roll forming die (21) stretches out and connects soon behind deep groove B (20) and installs nut (17), the screw thread has connect clamping jaw mounting bolt (19) soon between the top plate body of mould clamping jaw support (18) and hydraulic chuck mounting panel (11).

2. The die for extruding, rolling and forming the pipe end of the hydraulic steel pipe as claimed in claim 1, wherein: the head of the rolling core rod (10) is a bullet-shaped head.

3. The die for extrusion rolling forming of the pipe end of the hydraulic steel pipe as claimed in claim 1, wherein: a clamping cavity is arranged between the upper die body and the lower die body of the clamping die A (5), and a hydraulic steel pipe (6) to be formed is clamped in the clamping cavity of the clamping die A (5).

4. The die for extruding, rolling and forming the pipe end of the hydraulic steel pipe as claimed in claim 1, wherein: a clamping cavity is arranged between the upper die body and the lower die body of the clamping die B (8), and a steel pipe (7) to be rolled and formed is clamped in the clamping cavity of the clamping die B (8).