Extrusion die of pipe welding unit
By using a forward and reverse screw system driven by hydraulic cylinder and motor in the welded pipe unit mold, combined with the support buffer mechanism, the problem of slow replacement of existing molds is solved, and the rapid replacement of pressure plates and molds is achieved, and the stable downward pressure of pressing plates and molds is achieved, thereby improving the improvement of the improvement of Productivity and service life.
Patent Information
- Application Number
- CN202420993110.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-05-09
AI Technical Summary
When replacing molds of different models and sizes, disassembly and install them is time-consuming and labor-intensive, resulting in low production efficiency.
A welded pipe unit extrusion mold is designed, using a forward and reverse screw system driven by hydraulic cylinder and motor, combined with a support buffer mechanism to realize the rapid installation, disassembly and replacement of the pressure plate and mold, and use sliding grooves and buffer springs to improve stability.
It realizes rapid replacement of press plates and molds, improves production efficiency, and stabilizes down pressure through buffer mechanisms, protects molds and extends service life.
Smart Images
Figure CN222220910U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of extrusion dies, and more specifically to an extrusion die for a welded pipe unit. Background Art
[0002] The extrusion die of the welded pipe unit is an important component used in the production of the welded pipe unit. This die is usually used to extrude metal strips into pipes of the required shape. In the welded pipe unit, the metal strips are processed into round, square or other shaped pipes through the extrusion die, and then connected into complete pipes through welding process.
[0003] Therefore, when processing pipes of different diameters, relatively more molds need to be replaced, and the existing welded pipe molds have a single function. In actual use, welded pipe molds of different models and sizes need to be replaced. Welded pipe molds usually use mechanical connections such as bolts, and disassembly and installation are time-consuming and labor-intensive. Extrusion molds are not easy to replace, resulting in a slow replacement speed and reduced production efficiency. For this reason, we propose an extrusion mold for a welded pipe unit to solve the above problems. Utility Model Content
[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an extrusion die for a welded pipe unit to solve the problems existing in the above-mentioned background technology.
[0005] The utility model provides the following technical scheme: a welding pipe unit extrusion die, comprising a base, support buffer mechanisms are symmetrically arranged on both sides of the top of the base, the top of the support buffer mechanism is fixedly connected to a top plate, a hydraulic cylinder is fixedly installed in the middle of the top of the top plate, the telescopic end of the hydraulic cylinder is fixedly connected to a second fixing mechanism, a pressing plate is arranged at the bottom of the second fixing mechanism, a die base is fixedly connected to the middle of the top of the base, a mounting groove is provided at the top of the die base, a die is arranged in the mounting groove, a second moving groove is provided at the bottom of the inner cavity of the die base, a first fixing mechanism is arranged on one side of the die base, the first fixing mechanism comprises a first motor fixedly installed at the bottom of one side of the die base, the output end of the first motor is fixedly connected to a first forward and reverse screw rod, both ends of the first forward and reverse screw rod are symmetrically threadedly connected to a first moving block, a clamping plate is fixedly connected to the top of the first moving block, and the sides of the two clamping plates close to each other are fixedly connected to an anti-slip pad.
[0006] Preferably, the first forward and reverse screw rods extend through the mold base to the interior of the second movable groove, and one end of the first forward and reverse screw rods away from the first motor is connected to the mold base bearing.
[0007] Preferably, the second fixing mechanism includes a fixing plate fixedly connected to the telescopic end of the hydraulic cylinder, a first moving groove is opened at the bottom of the fixing plate, sliding blocks are fixedly connected at both ends of the fixing plate, a second motor is fixedly installed on one side of the first moving groove, a second forward and reverse screw rod is fixedly connected to the output end of the second motor, a second forward and reverse screw rod is symmetrically threadedly connected at both ends of the second forward and reverse screw rod, a plug rod is fixedly connected to the side where the two second moving blocks are close to each other, a docking groove is opened in the middle of the bottom of the fixing plate, a docking block is inserted into the inner wall of the docking groove, slots are symmetrically opened on both sides of the docking block, and the bottom of the slot is fixedly connected to the top of the pressure plate.
[0008] Preferably, one end of the second forward and reverse screw rod away from the second motor is connected to the fixed plate bearing, the docking groove is connected to the first movable groove, and the insertion rod is adapted to the slot.
[0009] Preferably, the supporting buffer mechanism includes side plates fixedly connected to both sides of the top of the base, and sliding grooves are symmetrically provided on the sides where the two side plates are close to each other. The side plates are fixedly connected to a buffer spring at the bottom of the sliding groove, and a slider is fixedly connected to the top of the buffer spring.
[0010] Preferably, the side plates are symmetrically provided with sliding grooves on both sides of the bottom of the sliding groove, the sliding block and the sliding groove constitute a sliding connection structure, and the sliding block and the sliding groove constitute a sliding connection structure.
[0011] Technical effects and advantages of the utility model:
[0012] 1. When the utility model is in use, first, after the slot is aligned with the docking slot and inserted, then, by starting the second motor, the second motor drives the second positive and negative lead screw to rotate, and the second positive and negative lead screw drives the two second moving blocks to move relatively toward the middle, thereby driving the two insertion rods to move relatively toward the middle and insert into the slot to complete the installation and fixation of the pressure plate, which is convenient to operate and convenient for quickly installing and disassembling the pressure plate, and then, the mold matching the pressure plate is placed in the installation slot, and then, the first motor is started, the first motor drives the first positive and negative lead screw to rotate, and the first positive and negative lead screw drives the two first moving blocks to move relatively toward the middle along the second moving slot, thereby driving the two clamping plates to move relatively toward the middle, and the mold is convenient to quickly clamp and fix through the anti-slip pad, which is convenient to operate, convenient for quickly realizing the replacement of the pressure plate and the mold, and convenient for replacing pressure plates and molds of different sizes and specifications according to actual needs, with strong applicability, which is conducive to improving its production efficiency.
[0013] 2. The utility model is provided with a supporting buffer mechanism. When the pressure plate moves downward, the sliding block moves downward along the sliding groove, so that the downward pressure of the pressure plate is more stable and reliable. When the pressure plate is pressed downward, a large impact force will be generated. The sliding block moves downward to squeeze the sliding block, and the sliding block moves downward along the sliding groove to squeeze the buffer spring. The buffer spring plays a certain buffering role, which is convenient for protecting the pressure plate and is beneficial to improving its stability and service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0015] Figure 2 It is a partially enlarged structural schematic diagram of the support and buffer mechanism of the utility model.
[0016] Figure 3 It is a schematic diagram of the exploded structure of the second fixing mechanism of the utility model.
[0017] Figure 4 It is a schematic cross-sectional structure diagram of the first fixing mechanism of the utility model.
[0018] The accompanying drawings are marked as follows: 1. base; 2. support buffer mechanism; 21. side plate; 22. sliding groove; 23. sliding groove; 24. slider; 25. buffer spring; 3. mold base; 4. mounting groove; 5. first fixing mechanism; 51. first motor; 52. first forward and reverse screw rod; 53. first moving block; 54. clamping plate; 55. anti-slip pad; 6. mold; 7. pressing plate; 8. second fixing mechanism; 81. fixing plate; 82. first moving groove; 83. sliding block; 84. second motor; 85. second forward and reverse screw rod; 86. docking groove; 87. second moving block; 88. plug rod; 89. docking block; 810. slot; 9. top plate; 10. hydraulic cylinder; 11. second moving groove. DETAILED DESCRIPTION
[0019] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The extrusion die of a welded pipe unit involved in the present invention is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.
[0020] The utility model provides an extrusion die for a welded pipe unit. Figure 1-4As shown, it includes a base 1, support buffer mechanisms 2 are symmetrically arranged on both sides of the top of the base 1, a top plate 9 is fixedly connected to the top of the support buffer mechanism 2, a hydraulic cylinder 10 is fixedly installed in the middle of the top of the top plate 9, a second fixing mechanism 8 is fixedly connected to the telescopic end of the hydraulic cylinder 10, a pressing plate 7 is arranged at the bottom of the second fixing mechanism 8, a mold base 3 is fixedly connected to the middle of the top of the base 1, a mounting groove 4 is opened at the top of the mold base 3, a mold 6 is arranged in the mounting groove 4, a second movable groove 11 is opened at the bottom of the inner cavity of the mold base 3, and a first fixing mechanism 5 is arranged on one side of the mold base 3. The first fixing mechanism 5 includes a first motor 51 fixedly installed at the bottom of one side of the mold base 3, the output end of the first motor 51 is fixedly connected to a first forward and reverse screw rod 52, both ends of the first forward and reverse screw rod 52 are symmetrically threadedly connected to a first moving block 53, the top of the first moving block 53 is fixedly connected to a clamping plate 54, and the sides of the two clamping plates 54 close to each other are fixedly connected to an anti-slip pad 55, the first forward and reverse screw rod 52 passes through the mold base 3 and extends to the inside of the second moving groove 11, and the end of the first forward and reverse screw rod 52 away from the first motor 51 is connected to the bearing of the mold base 3.
[0021] In the embodiment of the present application, when in use, after the slot 810 is aligned with the docking slot 86 and inserted, the second motor 84 is started, the second motor 84 drives the second forward and reverse screw rod 85 to rotate, and the second forward and reverse screw rod 85 drives the two second moving blocks 87 to move relatively toward the middle, thereby driving the two insertion rods 88 to move relatively toward the middle and insert into the slot 810 to complete the installation and fixation of the pressing plate 7. The operation is convenient, and it is convenient to quickly install and disassemble the pressing plate 7. Then, the mold 6 matching the pressing plate 7 is placed in the installation groove 4. Then, the first motor 51 is started, and the first motor 51 drives the first forward and reverse screw rod 52 to rotate. The first forward and reverse screw rod 52 drives the two first moving blocks 53 to move relatively toward the middle along the second moving groove 11, thereby driving the two clamping plates 54 to move relatively toward the middle. The anti-slip pad 55 is convenient for quickly clamping and fixing the mold 6. The operation is convenient, and it is convenient to quickly realize the replacement of the pressing plate 7 and the mold 6. It is convenient to replace the pressing plate 7 and the mold 6 of different sizes and specifications according to actual needs. It has strong applicability and effectively improves its production efficiency.
[0022] Furthermore, the second fixing mechanism 8 includes a fixing plate 81 fixedly connected to the telescopic end of the hydraulic cylinder 10, a first moving groove 82 is provided at the bottom of the fixing plate 81, sliding blocks 83 are fixedly connected at both ends of the fixing plate 81, a second motor 84 is fixedly installed on one side of the first moving groove 82 of the fixing plate 81, a second forward and reverse screw rod 85 is fixedly connected to the output end of the second motor 84, and second moving blocks 87 are symmetrically threadedly connected at both ends of the second forward and reverse screw rod 85, and a plug rod 88 is fixedly connected to the side where the two second moving blocks 87 are close to each other, a docking groove 86 is provided in the middle of the bottom of the fixing plate 81, a docking block 89 is inserted into the inner wall of the docking groove 86, and the two sides of the docking block 89 are symmetrically opened. A slot 810 is provided, and the bottom of the slot 810 is fixedly connected to the top of the pressure plate 7. The end of the second forward and reverse screw rod 85 away from the second motor 84 is connected to the bearing of the fixed plate 81, the docking groove 86 is connected to the first movable groove 82, and the insertion rod 88 is adapted to the slot 810. When in use, the slot 810 is aligned with the docking groove 86 and inserted into it. Then, by starting the second motor 84, the second motor 84 drives the second forward and reverse screw rod 85 to rotate, and the second forward and reverse screw rod 85 drives the two second movable blocks 87 to move relative to the middle, thereby driving the two insertion rods 88 to move relative to the middle and insert into the slot 810 to complete the installation and fixation of the pressure plate 7. The operation is convenient and it is easy to quickly install and disassemble the pressure plate 7.
[0023] Furthermore, the supporting buffer mechanism 2 includes side plates 21 fixedly connected to both sides of the top of the base 1, and sliding grooves 22 are symmetrically provided on the sides where the two side plates 21 are close to each other. A buffer spring 25 is fixedly connected to the bottom of the side plate 21 located at the sliding groove 22, and a slider 24 is fixedly connected to the top of the buffer spring 25. The side plates 21 are symmetrically provided with sliding grooves 23 on both sides of the bottom of the sliding groove 22. The slider 24 and the sliding groove 23 constitute a sliding connection structure, and the sliding block 83 and the sliding groove 22 constitute a sliding connection structure. When in use, when the pressure plate 7 moves downward, the sliding block 83 moves downward along the sliding groove 22, so that the downward pressure of the pressure plate 7 is more stable and reliable. When the pressure plate 7 is pressed downward, a large impact force will be generated, and the sliding block 83 moves downward to squeeze the slider 24, and the slider 24 moves downward along the sliding groove 23 to squeeze the buffer spring 25. The buffer spring 25 plays a certain buffering role, which is convenient for protecting the pressure plate 7 to a certain extent, thereby improving its stability and service life.
[0024] The working principle of the utility model is as follows: when in use, the pressing plate 7 is first installed, and the slot 810 is aligned with the docking slot 86 and inserted. Then, by starting the second motor 84, the second motor 84 drives the second forward and reverse screw rods 85 to rotate, and the second forward and reverse screw rods 85 drive the two second moving blocks 87 to move relatively toward the middle, thereby driving the two insertion rods 88 to move relatively toward the middle and insert into the slot 810 to complete the installation and fixation of the pressing plate 7. The operation is convenient and it is easy to quickly install and disassemble the pressing plate 7. Then, the mold 6 matching the pressing plate 7 is placed in the installation slot 4 Then, by starting the first motor 51, the first motor 51 drives the first forward and reverse screw rods 52 to rotate, and the first forward and reverse screw rods 52 drive the two first moving blocks 53 to move relatively toward the middle along the second moving groove 11, thereby driving the two clamping plates 54 to move relatively toward the middle, and the anti-slip pad 55 is used to quickly clamp and fix the mold 6, which is convenient to operate and easy to quickly realize the replacement of the pressing plate 7 and the mold 6, and it is convenient to replace the pressing plate 7 and the mold 6 of different sizes and specifications according to actual needs, which has strong applicability and effectively improves its production efficiency;
[0025] After the mold 6 and the pressing plate 7 are installed, the hydraulic cylinder 10 is started, and the hydraulic cylinder 10 drives the second fixing mechanism 8 to move downward, thereby driving the pressing plate 7 to move toward the mold 6, so as to complete the extrusion molding operation. When the pressing plate 7 moves downward, the sliding block 83 moves downward along the sliding groove 22, so that the downward pressure of the pressing plate 7 is more stable and reliable. When the pressing plate 7 is pressed downward, a large impact force will be generated. The sliding block 83 moves downward to extrude the sliding block 24, and the sliding block 24 moves downward along the sliding groove 23 to extrude the buffer spring 25. The buffer spring 25 plays a certain buffering role, which is convenient for protecting the pressing plate 7 to a certain extent, thereby improving its stability and service life.
[0026] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0027] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A welded pipe extrusion die, comprising a base (1), characterized in that: Support and buffer mechanisms (2) are symmetrically arranged on both sides of the top of the base (1); a top plate (9) is fixedly connected to the top of the support and buffer mechanism (2); a hydraulic cylinder (10) is fixedly installed in the middle of the top of the top plate (9); a second fixing mechanism (8) is fixedly connected to the telescopic end of the hydraulic cylinder (10); a pressing plate (7) is arranged at the bottom of the second fixing mechanism (8); a mold base (3) is fixedly connected to the middle of the top of the base (1); a mounting groove (4) is provided at the top of the mold base (3); a mold (6) is arranged in the mounting groove (4); and an inner cavity of the mold base (3) A second movable groove (11) is provided at the bottom, and a first fixing mechanism (5) is provided at one side of the mold base (3). The first fixing mechanism (5) comprises a first motor (51) fixedly mounted at the bottom of one side of the mold base (3). The output end of the first motor (51) is fixedly connected to a first forward and reverse screw rod (52), and both ends of the first forward and reverse screw rod (52) are symmetrically threadedly connected to a first movable block (53). A clamping plate (54) is fixedly connected to the top of the first movable block (53), and a non-slip pad (55) is fixedly connected to the sides of the two clamping plates (54) that are close to each other.
2. The extrusion die of a welded pipe unit according to claim 1, characterized in that: The first forward and reverse screw rod (52) passes through the mold base (3) and extends to the inside of the second movable groove (11); one end of the first forward and reverse screw rod (52) away from the first motor (51) is connected to a bearing of the mold base (3).
3. The extrusion die of a welded pipe unit according to claim 1, characterized in that: The second fixing mechanism (8) comprises a fixing plate (81) fixedly connected to the telescopic end of the hydraulic cylinder (10), a first moving groove (82) being provided at the bottom of the fixing plate (81), sliding blocks (83) being fixedly connected to both ends of the fixing plate (81), a second motor (84) being fixedly mounted on one side of the fixing plate (81) located at the first moving groove (82), a second forward and reverse screw rod (85) being fixedly connected to the output end of the second motor (84), second moving blocks (87) being symmetrically threadedly connected to both ends of the second forward and reverse screw rod (85), and plug rods (88) being fixedly connected to the sides of the two second moving blocks (87) that are close to each other, a docking groove (86) being provided in the middle of the bottom of the fixing plate (81), a docking block (89) being inserted into the inner wall of the docking groove (86), slots (810) being symmetrically provided on both sides of the docking block (89), and the bottom of the slots (810) being fixedly connected to the top of the pressing plate (7).
4. The extrusion die for a welded pipe unit according to claim 3, characterized in that: One end of the second forward and reverse screw rod (85) away from the second motor (84) is connected to the bearing of the fixed plate (81), the docking groove (86) is connected to the first movable groove (82), and the insertion rod (88) is adapted to the slot (810).
5. The extrusion die for a welded pipe unit according to claim 4, characterized in that: The support buffer mechanism (2) comprises side plates (21) fixedly connected to both sides of the top of the base (1); sliding grooves (22) are symmetrically provided on the sides of the two side plates (21) close to each other; a buffer spring (25) is fixedly connected to the bottom of the sliding groove (22) of the side plate (21); and a slider (24) is fixedly connected to the top of the buffer spring (25).
6. The extrusion die for a welded pipe unit according to claim 5, characterized in that: The side plate (21) is symmetrically provided with sliding grooves (23) on both sides of the bottom of the sliding groove (22); the sliding block (24) and the sliding groove (23) form a sliding connection structure; and the sliding block (83) and the sliding groove (22) form a sliding connection structure.