Welded pipe extrusion die with uniform stress
By introducing buffer components and spring structures into the welded pipe extrusion mold, the problem of uneven stress caused by too fast downward pressure during welded pipe extrusion is solved, and uniform molding and safe processing of welded pipes are achieved to meet diverse processing needs.
Patent Information
- Application Number
- CN202420663670.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-02
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-04-02
AI Technical Summary
The existing welded pipe extrusion die for thick-wall welded pipe welding is pressed too fast when the welded pipe is extruded, resulting in the welded pipe deformation speed, uneven force, and easy to cause damage.
A welded pipe extrusion die with uniform stress was designed. By installing the extrusion shell and cylinder on the processing table, the extrusion pressure is cushioned with buffering components and springs to ensure that the welded pipe is subjected to uniform stress during the extrusion process and passes through The movable holes and clamping holes achieve diverse extrusion processing requirements.
It effectively prevents the welded pipe from being damaged due to uneven stress during processing, improves the molding quality and production efficiency of the welded pipe, and ensures the safety of the extrusion process.
Smart Images
Figure CN222133181U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of welded pipe processing, in particular to a welded pipe extrusion die with uniform force. Background Art
[0002] Welded pipe is a steel pipe made by welding steel plates or strips after curling and forming. The production process of welded pipe is simple, the production efficiency is high, the variety and specifications are many, and the equipment investment is small. It is mainly used for mechanical processing, coal mining, hydraulic steel, and many other purposes.
[0003] According to the Chinese patent application number: CN202221155070.0, a welding pipe extrusion die for thick-walled welding pipe is disclosed, which belongs to the technical field of extrusion dies and comprises a lower die main board, the upper surface of the lower die main board is fixedly connected to the lower surface of the lower die main body, and the upper surface of the lower die main board is fixedly connected to two limit slide bars; the welding pipe extrusion die for thick-walled welding pipe is provided with a first return spring, the lower surface of the upper die main body is extruded to the linkage slide bars on both sides, the linkage slide bars and the linkage hinged rod are used to drive the inclined slide bars on both sides to slide toward the middle, the inclined slide bars are used to extrude the ejector plate, thereby driving the ejector plate to descend and fit with the inner wall of the lower die main body, after the extrusion is completed, the upper die main body rises, and the ejector plate drives the extruded welded pipe to rise under the influence of the force of the first return spring, and the linkage slide bar is driven to rise by the linkage hinged rod, so that it is convenient for the staff to take out the extruded welded pipe, thereby improving the production efficiency of the welded pipe.
[0004] At present, there are still some shortcomings in the welding pipe extrusion die used for welding thick-walled welded pipes. For example, when the welded pipe is extruded, the extrusion die presses down quickly, resulting in a fast deformation speed of the welded pipe and uneven force, which easily leads to damage of the welded pipe. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a welded pipe extrusion die with uniform force, which solves the problem that when the welded pipe is extruded, the extrusion die presses down too quickly, resulting in rapid deformation of the welded pipe and uneven force, which easily leads to damage of the welded pipe.
[0006] The above technical objectives of the utility model are achieved through the following technical solutions:
[0007] A welded pipe extrusion die with uniform force comprises: a processing table, a mounting frame is fixedly mounted on the top surface of the processing table, an extrusion shell is arranged on the inner bottom surface of the mounting frame, a plurality of extrusion dies are arranged inside the extrusion shell, a plurality of cylinders are fixedly mounted on the top surface of the extrusion shell, a plurality of connecting holes are opened on the top surface of the extrusion shell, the shafts of the cylinders pass through the connecting holes and are fixedly connected to the extrusion dies, a placement block is fixedly mounted on the top surface of the processing table; a buffer assembly is arranged on one side of the inner side of the placement block and is used to buffer the extrusion force.
[0008] By adopting the above technical scheme and setting an extrusion die, when in use, after placing the welded pipe on the placing block, start the cylinder to drive the extrusion die in the extrusion shell to extrude the welded pipe and extrude the welded pipe into plasticity. The extrusion force is buffered by the buffer component to prevent the extrusion force from being too fast, which causes uneven force on the welded pipe.
[0009] Preferably, the buffer assembly includes: a support column, the support column is fixedly mounted on one side of the inner part of the placement block, the outer circular wall surface of the support column is provided with two abutment plates, the outer circular wall surface of the support column is fixedly mounted with a plurality of telescopic cylinders, the interior of the telescopic cylinder is provided with a first spring, the internal movable sleeve of the telescopic cylinder is provided with a telescopic rod, and the telescopic rod is fixedly connected to the abutment plate.
[0010] By adopting the above technical solution and setting a support column, the staff inserts the welded pipe into the outside of the support column and fixes the welded pipe through the abutment plate. When the welded pipe is squeezed by the extrusion die, the abutment plate inside the welded pipe is compressed, and the first spring is slowly compressed to buffer the extrusion force, thereby ensuring that the welded pipe is evenly stressed during the extrusion process, which is beneficial to reduce the damage of the welded pipe during the processing.
[0011] Preferably, one of the extrusion dies is provided with movable holes on both sides, a connecting column is provided inside the movable hole, a second spring is provided inside the movable hole, and one side of the other two extrusion dies is provided with a clamping hole.
[0012] By adopting the above technical solution and setting the clamping holes, when multiple extrusion dies are extruding, the extrusion dies are connected together as a whole through the connecting column to ensure the overall downward pressure of the extrusion dies, which is conducive to ensuring the uniformity of the extrusion of the welded pipe.
[0013] Preferably, the outer circular wall surface of one of the extrusion dies is provided with two toggle openings, a toggle rod is fixedly mounted on the outer circular wall surface of the connecting column, and bayonet openings are provided on both sides of the toggle openings.
[0014] By adopting the above technical solution and setting the bayonet, when the extrusion dies need to be separated to perform different degrees of extrusion, the staff can move the toggle rod into the bayonet to separate the several extrusion dies, which is conducive to meeting the needs of diverse extrusion processing.
[0015] Preferably, an electric push rod is fixedly mounted on the top surface of the mounting frame, a through hole is opened on the top surface of the mounting frame, and a telescopic shaft of the electric push rod is fixedly connected to the extruded shell.
[0016] By adopting the above technical solution and setting an extrusion shell, when the extrusion process is carried out, the electric push rod drives the extrusion shell to descend, the extrusion die is covered in the placement block, and then the extrusion operation is carried out, so as to prevent the weld pipe from cracking during the extrusion process and the splashing fragments from causing injuries to the surrounding personnel.
[0017] Preferably, an insertion hole is provided on one side of the mounting frame.
[0018] By adopting the above technical solution and providing the insertion hole, it is convenient for the staff to insert the welded pipe to be extruded into the placement block.
[0019] In summary, the utility model mainly has the following beneficial effects:
[0020] By setting up the support column, the staff puts the welded pipe into the outside of the support column and fixes the welded pipe through the abutment plate. When the welded pipe is squeezed by the extrusion die, the abutment plate inside the welded pipe is compressed, and the first spring is slowly compressed to buffer the extrusion force, ensuring that the welded pipe is evenly stressed during the extrusion process, which is beneficial to reduce the damage of the welded pipe during the processing.
[0021] By setting the clamping holes, when multiple extrusion dies are extruding, the extrusion dies are connected together as a whole through the connecting column, so as to ensure the overall downward pressure of the extrusion dies, which is conducive to ensuring the uniformity of the extrusion of the welded pipe. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0023] Figure 2 This is a schematic diagram of the split structure of the extruded shell of the utility model;
[0024] Figure 3 It is a schematic diagram of the split structure of the abutment plate of the utility model;
[0025] Figure 4 It is a schematic diagram of the extrusion die structure of the utility model;
[0026] Figure 5 yes Figure 4 A schematic diagram of the enlarged local structure in the middle.
[0027] Figure numerals: 1. Processing table; 2. Mounting frame; 3. Extrusion shell; 4. Extrusion die; 5. Cylinder; 6. Connecting hole; 7. Placement block; 8. Support column; 9. Abutment plate; 10. Telescopic cylinder; 11. First spring; 12. Telescopic rod; 13. Insertion hole; 14. Movable hole; 15. Connecting column; 16. Second spring; 17. Snap-in hole; 18. Toggle rod; 19. Bayonet; 20. Electric push rod; 21. Through hole; 22. Toggle port. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] refer to Figure 1 , Figure 2 A welded pipe extrusion die with uniform force comprises: a processing table 1, a mounting frame 2 is fixedly installed on the top surface of the processing table 1, an extrusion shell 3 is arranged on the inner bottom surface of the mounting frame 2, a plurality of extrusion dies 4 are arranged inside the extrusion shell 3, a plurality of cylinders 5 are fixedly installed on the top surface of the extrusion shell 3, a plurality of connecting holes 6 are opened on the top surface of the extrusion shell 3, the shafts of the cylinders 5 pass through the connecting holes 6 and are fixedly connected to the extrusion die 4, a placement block 7 is fixedly installed on the top surface of the processing table 1; a buffer component, the buffer component is arranged on one side of the inner side of the placement block 7, and is used to buffer the extrusion force. By arranging the extrusion die 4, when in use, after the welded pipe is placed on the placement block 7, the cylinder 5 is started to drive the extrusion die 4 in the extrusion shell 3 to squeeze the welded pipe. The welding pipe is extruded and plasticized. The extrusion force is buffered by the buffer component to prevent the extrusion force from being too fast, resulting in uneven force on the welding pipe. An electric push rod 20 is fixedly installed on the top surface of the mounting frame 2. A through hole 21 is provided on the top surface of the mounting frame 2. The telescopic shaft of the electric push rod 20 is fixedly connected to the extrusion shell 3. By setting the extrusion shell 3, when the extrusion process is carried out, the electric push rod 20 drives the extrusion shell 3 to descend, and the extrusion mold 4 is covered in the placement block 7, and then the extrusion operation is carried out to prevent the welding pipe from cracking during the extrusion process. The splashing fragments cause injuries to the surrounding staff. An insertion hole 13 is provided on one side of the mounting frame 2. By setting the insertion hole 13, it is convenient for the staff to insert the welding pipe to be extruded into the placement block 7.
[0030] refer to Figure 1 , Figure 3The buffer assembly includes: a support column 8, which is fixedly mounted on one side of the inner side of the placement block 7. The outer circular wall of the support column 8 is provided with two abutment plates 9. A plurality of telescopic cylinders 10 are fixedly mounted on the outer circular wall of the support column 8. A first spring 11 is provided inside the telescopic cylinder 10. A telescopic rod 12 is provided inside the telescopic cylinder 10. The telescopic rod 12 is fixedly connected to the abutment plate 9. By setting the support column 8, the staff inserts the welding pipe into the outside of the support column 8. By setting the support column 8, the staff inserts the welding pipe into the outside of the support column 8. The welding pipe is fixed by the abutment plate 9. When the welding pipe is squeezed by the extrusion die 4, after the abutment plate 9 inside the welding pipe is compressed, the first spring 11 is slowly compressed to buffer the extrusion force, thereby ensuring that the welding pipe is subjected to uniform force during the extrusion process, which is beneficial to reducing the damage of the welding pipe during the processing.
[0031] refer to Figure 2 , Figure 4 and Figure 5 , one of the extrusion dies 4 is provided with movable holes 14 on both sides, and a connecting column 15 is provided inside the movable hole 14 for movable sleeve, and a second spring 16 is provided inside the movable hole 14. A clamping hole 17 is provided on one side of the other two extrusion dies 4. By setting the clamping hole 17, when multiple extrusion dies 4 are extruded, the extrusion dies 4 are connected together as a whole through the connecting column 15 to ensure the overall downward pressure of the extrusion dies 4, which is conducive to ensuring the uniform degree of extrusion of the welded pipe. The outer circular wall surface of one of the extrusion dies 4 is provided with two toggle openings 22, and a toggle rod 18 is fixedly installed on the outer circular wall surface of the connecting column 15. A bayonet 19 is provided on both sides of the toggle opening 22. By setting the bayonet 19, when the extrusion dies 4 need to be separated for different degrees of extrusion, the staff can toggle the toggle rod 18 into the bayonet 19 to separate the several extrusion dies 4, which is conducive to meeting the needs of diverse extrusion processing.
[0032] Working principle: Please refer to Figure 1-Figure 5 As shown, when in use, the staff puts the welding pipe into the outside of the support column 8, fixes the welding pipe through the abutment plate 9, starts the cylinder 5, drives the extrusion die 4 in the extrusion shell 3, extrude the welding pipe, and extrude the welding pipe into plasticity. After the abutment plate 9 inside the welding pipe is compressed, the first spring 11 is slowly compressed to buffer the extrusion force, which is beneficial to ensure that the welding pipe is evenly stressed during the extrusion process. The extrusion die 4 is connected together as a whole through the connecting column 15 to ensure the overall downward pressure of the extrusion die 4. When the extrusion die 4 needs to be separated for different degrees of extrusion, the staff can move the toggle rod 18 into the bayonet 19 to separate several extrusion dies 4 to meet the needs of diverse extrusion processing.
[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A welded pipe extrusion die with uniform force, characterized in that: include: A processing table (1), wherein a mounting frame (2) is fixedly mounted on the top surface of the processing table (1), an extrusion shell (3) is arranged on the inner bottom surface of the mounting frame (2), a plurality of extrusion dies (4) are arranged inside the extrusion shell (3), a plurality of cylinders (5) are fixedly mounted on the top surface of the extrusion shell (3), a plurality of connection holes (6) are opened on the top surface of the extrusion shell (3), the axis of the cylinder (5) passes through the connection hole (6) and is fixedly connected to the extrusion die (4), and a placement block (7) is fixedly mounted on the top surface of the processing table (1); A buffer component is arranged on one side of the interior of the placement block (7) and is used to buffer the squeezing force.
2. A welded pipe extrusion die with uniform force according to claim 1, characterized in that: The buffer assembly comprises: A support column (8), wherein the support column (8) is fixedly mounted on one side of the inner side of the placement block (7), the outer circular wall surface of the support column (8) is provided with two abutment plates (9), the outer circular wall surface of the support column (8) is fixedly mounted with a plurality of telescopic cylinders (10), the interior of the telescopic cylinder (10) is provided with a first spring (11), the interior of the telescopic cylinder (10) is provided with a telescopic rod (12), and the telescopic rod (12) is fixedly connected to the abutment plate (9).
3. The welded pipe extrusion die with uniform force according to claim 1, characterized in that: One of the extrusion dies (4) is provided with movable holes (14) on both sides, a connecting column (15) is movably sleeved inside the movable hole (14), a second spring (16) is arranged inside the movable hole (14), and one side of the other two extrusion dies (4) is provided with a clamping hole (17).
4. The welded pipe extrusion die with uniform force according to claim 3, characterized in that: The outer circular wall surface of one of the extrusion dies (4) is provided with two shifting openings (22), the outer circular wall surface of the connecting column (15) is fixedly provided with a shifting rod (18), and both sides of the shifting opening (22) are provided with bayonet openings (19).
5. The welded pipe extrusion die with uniform force according to claim 1, characterized in that: An electric push rod (20) is fixedly mounted on the top surface of the mounting frame (2), a through hole (21) is provided on the top surface of the mounting frame (2), and a telescopic shaft of the electric push rod (20) is fixedly connected to the extrusion housing (3).
6. The welded pipe extrusion die with uniform force according to claim 1, characterized in that: An insertion hole (13) is provided on one side of the mounting frame (2).