CN221754405U

CN221754405U - Fixing device for lower die of pipe making machine for large-caliber steel pipe production

Info

Publication number: CN221754405U
Application number: CN202420292824.XU
Authority: CN
Inventors: 宋瑞灵
Original assignee: Zhangjiagang Rongkang Pipe Industry Co ltd
Current assignee: Zhangjiagang Rongkang Pipe Industry Co ltd
Priority date: 2024-02-18
Filing date: 2024-02-18
Publication date: 2024-09-24
Anticipated expiration: 2034-02-18

Abstract

The utility model relates to the technical field of fixing of lower dies of pipe making machines, in particular to a fixing device of a lower die of a pipe making machine for producing large-caliber steel pipes, which comprises a workbench, wherein a lower die is arranged at the upper end of the workbench, mounting plates are fixedly connected to the left end and the right end of the lower die, two mounting blocks which are symmetrically distributed front and back are fixedly connected to the lower ends of the two mounting plates, inserting holes are formed in the left end faces of the mounting blocks, two groups of mounting grooves which are symmetrically distributed front and back are formed in the upper end faces of the workbench, two sliding grooves which are symmetrically distributed front and back are formed in the lower end faces of the workbench, the two sliding grooves are respectively communicated with the two groups of mounting grooves, inserting components are arranged in the two sliding grooves, and the inserting components are connected with the mounting blocks through the inserting holes; according to the utility model, the mounting block is conveniently and rapidly fixed under the action of the plug-in assembly, so that the lower die can be more rapidly mounted at the top end of the workbench under the cooperation of the mounting plate.

Description

Fixing device for lower die of pipe making machine for large-caliber steel pipe production

Technical Field

The utility model relates to the technical field of fixing of a lower die of a pipe making machine, in particular to a fixing device of the lower die of the pipe making machine for producing large-caliber steel pipes.

Background

In the steel plate pipe making process, the upper die of the pipe making machine is used to move, the steel plate is continuously bent, and finally, a prefabricated steel pipe blank is obtained, and in the existing large-size (diameter is larger than 2 m) steel pipe preparation process, the nominal force of the adopted large-size pipe making machine is generally required to be more than 10 ten thousand KN, and the required amount of the large-size steel pipe is not very large. For this reason, in most cases, such a pipe making machine is in a stopped state. The cost of the equipment is at least more than one million, so that a large amount of resource waste is caused for enterprises; because the tubing machine is also driven by hydraulic pressure, the power mechanism is consistent with the large forging equipment, and therefore, people can replace the upper die and the lower die of the large tubing machine to complete other works, and further waste is avoided.

At present, when the lower die of the pipe making machine is fixedly installed, a plurality of screws are required to be used for fixing, and when the pipe making machine is specifically operated, one screw is required to be screwed, and in the installation and fixation mode, the operation steps are numerous, a great deal of time is required to be spent, so that the efficiency of fixing the lower die is low, and therefore, the lower die fixing device of the pipe making machine for producing the large-caliber steel pipe is required to be designed.

Disclosure of utility model

The utility model aims to solve the defects in the prior art, and provides a fixing device for a lower die of a pipe making machine for producing large-caliber steel pipes.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a tubulation machine lower mould fixing device for heavy-calibre steel pipe production, includes the workstation, the lower mould has been placed to the upper end of workstation, the left and right sides both ends of lower mould are all fixedly connected with mounting panel, two the lower extreme of mounting panel is all fixedly connected with two and is the installation piece that the front and back symmetry distributes, a plurality of the jack has all been seted up to the left end face of installation piece, two sets of installation groove that the front and back symmetry distributes have been seted up to the upper end face of workstation, and every set of installation groove is provided with two, and is bilateral symmetry distribution, a plurality of installation grooves and a plurality of installation piece one-to-one, just installation piece and installation groove slip detachable connection, two be the sliding tray of front and back symmetry distribution has been seted up to the lower end face of workstation, two the sliding tray communicates each other with two sets of installation groove, and the grafting subassembly is all installed to peg graft the subassembly in the inside of sliding tray, and grafting subassembly is connected with the installation piece through the jack.

The utility model provides a plug-in component, including dog, inserted bar, connecting rod, movable seat, dead lever, spring and fixing base, two the equal sliding connection in inside of sliding tray has the inserted bar, the inserted bar slides with the jack and can dismantle the connection, two the lower extreme rotation of inserted bar is connected with the connecting rod, the bottom fixedly connected with of workstation is two the dead lever of front and back symmetric distribution, two the equal sliding connection of periphery of dead lever has movable seat, two pass through connecting plate fixed connection between the movable seat, the connecting rod is located movable seat to rotate with movable seat and be connected, two the equal fixedly connected with dog of lower extreme of dead lever, the upper end fixedly connected with spring of dog, the one end and the movable seat fixed connection of the movable seat of dog are kept away from to the spring.

Further, the inside fixedly connected with guide bar of sliding tray, the guide bar extends to in the inserted bar, and inserted bar and guide bar sliding connection.

Further, two the equal fixedly connected with link of one end that removes the seat and keep away from each other, the lower extreme of link rotates and is connected with the couple, the sliding hole has been seted up to the preceding terminal surface of link, the equal fixedly connected with fixed axle in both ends around the workstation, the fixed axle is located the sliding hole to with sliding hole swing joint, couple and fixed axle cooperate.

Further, the bottom fixedly connected with of workstation is bilateral symmetry's support frame.

Further, the upper end face of the lower die is provided with a groove, and the highest end of the connecting frame is lower than the lowest end of the groove.

Further, the end face of the sliding groove is inverted L-shaped.

The utility model has the following beneficial effects:

1. Compared with the prior art, this tubulation machine lower mould fixing device for large-bore steel pipe production is fixed through being under the effect of grafting subassembly, and then under the cooperation of mounting panel, makes the lower mould can be more quick install the top at the workstation, the mode of fixing the lower mould of installation like this, and operating procedure is more simple convenient, and the required time of spending is less, and then can improve the installation effectiveness of lower mould.

2. Compared with the prior art, this tubulation machine lower mould fixing device for large-bore steel pipe production, through under link, sliding hole, fixed axle and couple's mutually supporting, when the operation of control grafting subassembly, after the inserted bar breaks away from the installation piece completely, remove the seat and also can drive the link and move down to suitable height, at this moment rotate couple and fixed axle cooperation for the link can be stable be located this position, and difficult random removes to reset, at this moment the staff need not to pull the seat of removing always, just can take off the lower mould from the workstation, so make the staff dismantle and install the fixed lower mould again when, more labour saving and time saving.

Drawings

Fig. 1 is a schematic diagram of the whole structure of a lower die fixing device of a pipe making machine for producing large-caliber steel pipes, which is provided by the utility model;

Fig. 2 is a schematic structural view of a lower die of a pipe making machine fixing device for producing large-caliber steel pipes after being disassembled;

fig. 3 is a schematic diagram of a structure of a lower die fixing device of a pipe making machine for producing large-caliber steel pipes, which is partially sectioned from the front view and viewed from the bottom;

fig. 4 is an enlarged schematic view of the structure of a lower die fixing device a in fig. 3 of a pipe making machine for producing large-caliber steel pipes according to the present utility model;

Fig. 5 is an enlarged schematic view of the structure of the lower die fixing device B in fig. 4 of the pipe making machine for producing large-caliber steel pipes.

Legend description:

1. A work table; 2. a lower die; 3. a mounting plate; 4. a stop block; 5. a connecting rod; 6. a connecting frame; 7. a spring; 8. a mounting block; 9. a jack; 10. a mounting groove; 11. a rod; 12. a fixed rod; 13. a movable seat; 14. a guide rod; 15. a sliding groove; 16. a hook; 17. a fixed shaft; 18. a sliding hole; 19. and (5) connecting a plate.

Detailed Description

Referring to fig. 1-5, the pipe making machine lower die fixing device for large-caliber steel pipe production provided by the utility model comprises a workbench 1, wherein a lower die 2 is arranged at the upper end of the workbench 1, mounting plates 3 are fixedly connected to the left end and the right end of the lower die 2, two mounting blocks 8 which are symmetrically distributed front and back are fixedly connected to the lower ends of the two mounting plates 3, inserting holes 9 are formed in the left end faces of the plurality of mounting blocks 8, two groups of mounting grooves 10 which are symmetrically distributed front and back are formed in the upper end face of the workbench 1, two groups of mounting grooves 10 are symmetrically distributed left and right, the plurality of mounting grooves 10 are in one-to-one correspondence with the plurality of mounting blocks 8, the mounting blocks 8 are in sliding and detachable connection with the mounting grooves 10, two sliding grooves 15 which are symmetrically distributed front and back are respectively communicated with the two groups of mounting grooves 10, inserting components are respectively arranged in the inner parts of the two sliding grooves 15, and the inserting components are connected with the mounting blocks 8 through the inserting holes 9;

The plug-in assembly comprises a stop block 4, a plug rod 11, a connecting rod 5, a movable seat 13, a fixed rod 12, a spring 7 and a fixed seat, wherein the plug rod 11 is slidably connected in the two sliding grooves 15, the plug rod 11 is slidably and detachably connected with the plug hole 9, the lower ends of the two plug rods 11 are rotatably connected with the connecting rod 5, the bottom end fixedly connected with of the workbench 1 is provided with two fixed rods 12 which are symmetrically distributed around, the circumferential surfaces of the two fixed rods 12 are slidably connected with the movable seat 13, the two movable seats 13 are fixedly connected through a connecting plate 19, the connecting rod 5 is positioned in the movable seat 13 and rotatably connected with the movable seat 13, the lower ends of the two fixed rods 12 are fixedly connected with the stop block 4, the upper end of the stop block 4 is fixedly connected with the spring 7, and one end of the spring 7, which is far away from the stop block 4, is fixedly connected with the movable seat 13. During operation, through fixing the installation piece 8 under the effect of grafting subassembly, and then under the cooperation of mounting panel 3, make the installation that lower mould 2 can be more quick in the top of workstation 1, specifically, downward pulling link 6 moves down, and drive and remove seat 13 along dead lever 12 moves down, spring 7 is compressed this moment, and along with the removal of remove seat 13, can drive connecting rod 5 rotation and removal, and then drive the gradual direction removal to dead lever 12 of inserted bar 11, until inserted bar 11 moves to the complete direction of keeping away from mounting groove 10 under, just can put lower mould 2 on workstation 1, simultaneously install piece 8 and insert in mounting groove 10, then loosen link 6, at this moment under spring 7's effect, can promote to remove seat 13 and move up and reset, and then under connecting rod 5's cooperation, make inserted bar 11 gradually move to jack 9's direction, until inserted bar 11 inserts in jack 9, just realize stable connection of inserted bar 11 and installation piece 8, and then make the mould 2 can be installed in the workstation 1 just need more than necessary in the control frame 2, and the step can be accomplished more conveniently.

Further, a guide rod 14 is fixedly connected to the inside of the sliding groove 15, the guide rod 14 extends into the insert rod 11, and the insert rod 11 is slidably connected with the guide rod 14. During operation, under the action of the guide rod 14, the insert rod 11 can move along the sliding groove 15 more stably.

Further, one end that two removal seats 13 kept away from each other is all fixedly connected with link 6, and the lower extreme of link 6 rotates and is connected with couple 16, and slide hole 18 has been seted up to the preceding terminal surface of link 6, and the front and back both ends of workstation 1 are all fixedly connected with fixed axle 17, and fixed axle 17 is located slide hole 18 to with slide hole 18 swing joint, couple 16 and fixed axle 17 cooperate. When the connecting rack 6 is in operation, firstly, the hook 16 is rotated to rotate in the direction deviating from the fixed shaft 17 until the position of the connecting rack 6 is adjusted, the connecting rack 6 can be controlled to move until the position is at a proper angle, and after the connecting rack 6 is moved down to a proper height, the rotating hook 16 is matched with the fixed shaft 17, so that the connecting rack 6 can be stably positioned at the position and is not easy to randomly move and reset, at the moment, a worker does not need to pull the movable seat 13 all the time, the lower die 2 can be taken down from the workbench 1, and therefore, when the worker dismantles and reinstallates the fixed lower die 2, the time and the labor are saved.

Further, the bottom fixedly connected with of workstation 1 is two support frames of bilateral symmetry distribution. During operation, the support frame can stably support the workbench 1 and fixedly install the support frame in the pipe making machine, so that the workbench 1 can be stably installed in the pipe making machine, and the subsequent use of the lower die 2 on the workbench 1 and the matching of the upper die in the pipe making machine are convenient for producing and processing the large-caliber steel pipe.

Further, the upper end face of the lower die 2 is provided with a groove, and the highest end of the connecting frame 6 is lower than the lowest end of the groove. In operation, the existence of the connecting frame 6 is not easy to influence the use of the lower die 2.

Further, the end surface shape of the slide groove 15 is inverted L-shaped. When the sliding groove 15 is in operation, the connecting rod 5 and the inserted rod 11 can work smoothly.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a tuber lower mould fixing device for large-bore steel pipe production, includes workstation (1), its characterized in that: the upper end of the workbench (1) is provided with a lower die (2), the left end and the right end of the lower die (2) are fixedly connected with mounting plates (3), the lower ends of the mounting plates (3) are fixedly connected with two mounting blocks (8) which are symmetrically distributed front and back, the left end faces of the mounting blocks (8) are provided with jacks (9), the upper end face of the workbench (1) is provided with two groups of mounting grooves (10) which are symmetrically distributed front and back, each group of mounting grooves (10) is provided with two mounting grooves which are symmetrically distributed left and right, the mounting grooves (10) are in one-to-one correspondence with the mounting blocks (8), the mounting blocks (8) are connected with the mounting grooves (10) in a sliding and detachable mode, the lower end faces of the workbench (1) are provided with two sliding grooves (15) which are symmetrically distributed front and back, the two sliding grooves (15) are respectively communicated with the two groups of mounting grooves (10), and plug-in assemblies are respectively installed inside the sliding grooves (15) and are connected with the mounting blocks (8) through the jacks (9);

The utility model provides a plug-in assembly includes dog (4), inserted bar (11), connecting rod (5), removes seat (13), dead lever (12), spring (7) and fixing base, two equal sliding connection in inside of sliding tray (15) has inserted bar (11), the connection can be dismantled in the slip of inserted bar (11) and jack (9), two the lower extreme rotation of inserted bar (11) is connected with connecting rod (5), the bottom fixedly connected with of workstation (1) is two dead levers (12) that are fore-and-aft symmetric distribution, two equal sliding connection of periphery of dead lever (12) has removes seat (13), two pass through connecting plate (19) fixed connection between removing seat (13), connecting rod (5) are located removes seat (13) to with remove seat (13) swivelling joint, two the equal fixedly connected with dog (4) of lower extreme of dead lever (12), the upper end fixedly connected with spring (7) of dog (4), the one end and removal seat (13) that dog (4) were kept away from to spring (7).

2. A lower die fixing device for a pipe making machine for producing large-caliber steel pipes, which is characterized in that: the inside fixedly connected with guide bar (14) of sliding tray (15), guide bar (14) extend to in inserted bar (11), and inserted bar (11) and guide bar (14) sliding connection.

3. A lower die fixing device for a pipe making machine for producing large-caliber steel pipes, which is characterized in that: two the equal fixedly connected with link (6) of one end that removes seat (13) kept away from each other, the lower extreme rotation of link (6) is connected with couple (16), sliding hole (18) have been seted up to the preceding terminal surface of link (6), both ends all fixedly connected with fixed axle (17) around workstation (1), fixed axle (17) are located sliding hole (18) to with sliding hole (18) swing joint, couple (16) cooperate with fixed axle (17).

4. A lower die fixing device for a pipe making machine for producing large-caliber steel pipes, which is characterized in that: the bottom end of the workbench (1) is fixedly connected with two supporting frames which are distributed in a bilateral symmetry mode.

5. A lower die fixing device for a pipe making machine for producing large-caliber steel pipes, which is characterized in that: the upper end face of the lower die (2) is provided with a groove, and the highest end of the connecting frame (6) is lower than the lowest end of the groove.

6. A lower die fixing device for a pipe making machine for producing large-caliber steel pipes, which is characterized in that: the end face of the sliding groove (15) is in an inverted L shape.