CN219025509U

CN219025509U - Fixing device for lower die of pipe making machine for large-caliber steel pipe production

Info

Publication number: CN219025509U
Application number: CN202223384239.2U
Authority: CN
Inventors: 徐洪栋; 李仁乐; 白林旺
Original assignee: Shandong Xushi Heavy Industry Co ltd
Current assignee: Shandong Xushi Heavy Industry Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-16
Anticipated expiration: 2032-12-16

Abstract

The utility model provides a lower die fixing device of a pipe making machine for large-caliber steel pipe production, which comprises a base and a lower die, wherein a through groove is formed in the base, the lower die is placed in the through groove of the base, grooves are formed in two sides of the through groove, positioning mechanisms are arranged in the grooves and are symmetrically arranged, wedge-shaped columns are arranged on the lower surface of the lower die, an electromagnet is arranged below the through groove, wedge-shaped grooves matched with the wedge-shaped columns are formed in the upper surface of the electromagnet, a buffer seat is arranged below the electromagnet, at least 4 quick fixing devices are arranged on the upper surface of the base, and the quick fixing devices are symmetrically arranged. The utility model adopts the setting of the positioning mechanism, is used for realizing the positioning of the lower die, avoids the phenomena of movement and the like of the lower die in the working process, and the wedge-shaped column is matched with the wedge-shaped groove of the electromagnet, thereby being convenient for realizing the quick fixing of the lower die, being convenient for the positioning mechanism to position and being provided with the damping and buffering function.

Description

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

Technical Field

The utility model belongs to the technical field of fixing of a lower die of a pipe making machine, and particularly relates 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 such equipment is at least over a million, and for this reason, a great deal 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. In the die changing process, the lower die needs to be replaced or replaced with the lower die groove, the die needs to be fixed in a die-retooling mode, but in order to improve the working efficiency of the pipe making machine, the lower die needs to be fixed fast, but in the prior art, when the lower die of the pipe making machine is installed, a large number of bolts are generally used for fixing, so that the installation process is very complicated, a large amount of time is wasted, the labor cost is high, and the efficiency of the installation, the fixation, the disassembly and the maintenance of the die is not beneficial to improvement.

Disclosure of Invention

Aiming at the technical problems existing in the prior pipe making machine lower die fixing, the utility model provides the pipe making machine lower die fixing device for producing the large-caliber steel pipe, which has the advantages of reasonable design, simple structure and convenient processing.

In order to achieve the above purpose, the technical scheme includes that the fixing device for the lower die of the pipe making machine for producing the large-caliber steel pipe comprises a base and a lower die, wherein a through groove is formed in the base, the lower die is placed in the through groove of the base, grooves are formed in two sides of the through groove, positioning mechanisms are arranged in the grooves and symmetrically arranged, wedge-shaped columns are arranged on the lower surface of the lower die, an electromagnet is arranged below the through groove, a wedge-shaped groove matched with the wedge-shaped columns is formed in the upper surface of the electromagnet, a buffer seat is arranged below the electromagnet, at least 4 quick fixing devices are arranged on the upper surface of the base, and the quick fixing devices are symmetrically arranged.

Preferably, the positioning mechanism comprises a fixed plate, a fixed shaft, a connecting shaft and a transmission rod, wherein the fixed plate is arranged in the groove in a sliding manner, the fixed shaft is arranged on one side, far away from the groove, of the fixed plate, one end of the connecting shaft is arranged on one side, far away from the fixed shaft, of the fixed plate, the connecting shaft is vertically arranged with the fixed plate, the connecting shaft is meshed with one end of the transmission rod, the transmission rod is rotatably arranged in the groove, and one end, far away from the connecting shaft, of the transmission rod extends out of the groove.

Preferably, the transmission rod is perpendicular to the connecting shaft, a rack is arranged on the lower surface of the connecting shaft, a gear is arranged at one end of the transmission rod, which is meshed with the connecting shaft, and the rack is meshed with the gear.

Preferably, mounting holes matched with the fixing shafts are formed in the two sides, close to the grooves, of the lower die, and the fixing shafts and the mounting holes are arranged in a sliding mode.

Preferably, a rotary handle is arranged on the side of the transmission rod away from the connecting shaft.

Preferably, the quick fixing device comprises a pressing handle, a supporting seat, an adjusting bolt and a pressing seat, wherein the supporting seat is fixed on the upper surface of the base, the pressing handle and the supporting seat are rotatably arranged, one side, far away from the pressing handle, of the supporting seat is provided with the adjusting bolt, and the lower end of the adjusting bolt is provided with the pressing seat.

Preferably, a cavity is formed in the buffer seat, a plurality of springs are arranged in the cavity, one ends of the springs are arranged at the bottom of the cavity, and the other ends of the springs are arranged on the lower surface of the electromagnet.

Compared with the prior art, the utility model has the advantages and positive effects that the positioning mechanism is adopted, the positioning mechanism is used for positioning the lower die, the phenomenon that the lower die moves in the working process is avoided, the wedge-shaped column is matched with the wedge-shaped groove of the electromagnet, the quick fixing of the lower die is convenient, the positioning mechanism is convenient for positioning, the buffer seat is arranged for realizing the damping and buffering functions, when the lower die is pressed, the pressure is transmitted to the buffer seat through the wedge-shaped column, the pressure is prevented from directly acting on the base, the lower die is also prevented from being pressed for a long time, deformation is avoided, the quick fixing device is arranged, and after the positioning mechanism is fixed, the lower die is further positioned, and the lower die is prevented from moving.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is an axial view of a lower die fixing device of a pipe making machine for producing large-caliber steel pipes;

FIG. 2 is a front view of a lower die fixing device of a pipe making machine for producing large-caliber steel pipes;

FIG. 3 is an isometric view of a positioning mechanism;

FIG. 4 is a cross-sectional view of a bumper block;

in the figures, 1, a base; 2. a lower die; 21. a wedge-shaped column; 3. a groove; 4. a positioning mechanism; 41. a fixing plate; 42. a fixed shaft; 43. a connecting shaft; 44. a transmission rod; 441. rotating the handle; 45. a rack; 46. a gear; 5. an electromagnet; 6. a buffer seat; 61. a spring; 7. a quick fixing device; 71. pressing the handle; 72. a support base; 73. an adjusting bolt; 74. pressing the base.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in fig. 1, 2, 3 and 4, the embodiment of the fixing device for a lower die of a pipe making machine for producing large-caliber steel pipes comprises a base 1 and a lower die 2, wherein a through groove is formed in the base 1, the lower die 2 is placed in the through groove of the base 1, the base 1 is rectangular, of course, the base 1 can be set into other shapes, but the rectangular arrangement can be used for placing the lower die 2 better considering that the base 1 needs to be matched with the lower die 2.

The lower die 2 is a common lower die 2 of a large-sized pipe making machine, and the overall shape is rectangular.

The through groove is rectangular, and of course, the through groove can be formed in other shapes, but considering that the through groove needs to be matched with the lower die 2, the rectangular arrangement can better place the lower die 2, and the above structure is a common structure, so that the detailed description is omitted.

In order to facilitate the quick realization of the fixing of the lower die 2, in the embodiment, the groove 3 is arranged on both sides of the through groove, the positioning mechanism 4 is arranged in the groove 3, the positioning mechanism 4 is symmetrically arranged, the wedge column 21 is arranged on the lower surface of the lower die 2, the electromagnet 5 is arranged below the through groove, the wedge groove matched with the wedge column 21 is arranged on the upper surface of the electromagnet 5, the buffer seat 6 is arranged below the electromagnet 5, at least 4 quick fixing devices 7 are arranged on the upper surface of the base 1, the quick fixing devices 7 are symmetrically arranged, the grooves 3 are arranged for placing the positioning mechanism 4, the positioning mechanism 4 is prevented from being exposed, dust and the like fall into, the normal work of the positioning mechanism 4 is influenced, the positioning mechanism 4 is arranged for realizing the positioning of the lower die 2, the phenomenon of the lower die 2 is avoided, the wedge column 21 and the wedge groove of the electromagnet 5 are matched, the quick fixing of the lower die 2 is facilitated, the positioning mechanism 4 is facilitated, the buffer seat 6 is arranged, when the lower die 2 is pressed, the pressure is transmitted to the buffer seat 6 through the wedge column 21, the pressure is also prevented from being directly acted on the base 1, the lower die 2 is prevented from being directly deformed, the die 2 is prevented from being further fixed, and the die 2 is prevented from being further deformed, and the die 2 is further fixed, and the die is prevented from being further fixed, and the die 2 is further prevented from being deformed, and fixed, and the device is further is fixed.

In order to realize the function of positioning mechanism 4, in this embodiment, positioning mechanism 4 includes fixed plate 41, fixed axle 42, connecting axle 43 and transfer line 44, fixed plate 41 slides and sets up in recess 3, one side that recess 3 was kept away from to fixed plate 41 is provided with fixed axle 42, connecting axle 43 one end sets up in one side that fixed axle 42 was kept away from to fixed plate 41, connecting axle 43 sets up perpendicularly with fixed plate 41, connecting axle 43 and transfer line 44 one end meshing setting, transfer line 44 rotates and sets up in recess 3, the one end that connecting axle 43 was kept away from to transfer line 44 stretches out recess 3, the setting of fixed plate 41 realizes fixing fixed axle 42, simultaneously fixed plate 41 also can contact with lower mould 2, realize fixed and spacing to lower mould 2, avoid lower mould 2 to appear rocking scheduling problem in the course of working, fixed axle 42's setting stretches into in lower mould 2, realize fixed to lower mould 2, further guarantee that lower mould 2 does not take place to rock, connecting axle 43's setting, cooperate with transfer line 44, realize the removal to fixed plate 41, thereby drive the removal of fixed axle 42, realize fixed axle 2's fixed and setting, realize spacing cooperation with transfer line 43, realize moving of connecting axle 43.

In order to achieve the arrangement of the connecting shaft 43 and the transmission rod 44 in an engaged manner, in the embodiment, the transmission rod 44 is perpendicular to the connecting shaft 43, a rack 45 is arranged on the lower surface of the connecting shaft 43, a gear 46 is arranged at one end of the transmission rod 44 engaged with the connecting shaft 43, the rack 45 is engaged with the gear 46, a rotating handle 441 is arranged at one side of the transmission rod 44 away from the connecting shaft 43, the gear 46 is driven to rotate through rotation of the transmission rod 44, the gear 46 is in engaged contact with the rack 45, and the gear 46 cannot rotate due to incapability of displacement of the transmission rod 44, so that the rack 45 moves, the connecting shaft 43 moves relative to the transmission rod 44, the transmission rod 44 is conveniently operated by a worker to rotate, the rotating handle 441 is arranged in a plum blossom shape, and the worker can hold the rotating handle 441 more conveniently.

In order to facilitate the insertion of the fixed shaft 42 into the lower die 2, mounting holes matched with the fixed shaft 42 are formed in two sides, close to the groove 3, of the lower die 2, the fixed shaft 42 and the mounting holes are arranged in a sliding mode, and the mounting holes are formed, so that the fixed shaft 42 is convenient to insert, and the lower die 2 is more reliably fixed.

In order to further realize the fixation to bed die 2, in this embodiment, quick fixing device 7 includes presses handle 71, supporting seat 72, adjusting bolt 73 and presses seat 74, supporting seat 72 is fixed on base 1 upper surface, press handle 71 and supporting seat 72 rotation setting, one side that supporting seat 72 kept away from pressing handle 71 is provided with adjusting bolt 73, the adjusting bolt 73 lower extreme is provided with presses seat 74, the setting of supporting seat 72 has realized the installation and the fixed of quick fixing device 7, avoid in the course of the work, quick fixing device 7 takes place to rock the condition such as, press handle 71's setting, make things convenient for the staff to realize the purpose of quick fixed bed die, adjusting bolt 73's setting, make the staff can adjust bed die 2's fixed condition according to actual conditions, make bed die 2 be in tightly fixed state, avoid after long-time use, quick fixing device 7 wearing and tearing, the purpose of fixed bed die 2 is not reached, press the setting of seat 74, increase the area of contact between quick fixing device 7 and bed die 2, increase the fastness.

In order to avoid the long-time use in the electromagnet 5, the compression deformation is provided with the cavity in the buffer seat 6, and be provided with a plurality of springs 61 in the cavity, spring 61 one end sets up in the cavity bottom, and the spring 61 other end sets up at electromagnet 5 lower surface, and the setting of cavity for place spring 61, avoid spring 61 to expose, the setting of spring 61 is used for reducing the impact force between electromagnet 5 and the buffer seat 6, avoids electromagnet 5's damage.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a tubulation machine lower mould fixing device for heavy-calibre steel pipe production, includes base and bed die, be provided with logical groove on the base, the bed die is placed in the base logical inslot, its characterized in that, it is provided with the recess to lead to the groove both sides, be provided with positioning mechanism in the recess, positioning mechanism symmetry sets up, the bed die lower surface is provided with the wedge post, it is provided with the electro-magnet to lead to the groove below, the electro-magnet upper surface is provided with the wedge groove with wedge post matched with, the electro-magnet below is provided with the buffering seat, the base upper surface is provided with 4 at least quick fixing device, quick fixing device symmetry sets up.

2. The fixing device for the lower die of the pipe making machine for producing the large-caliber steel pipes as claimed in claim 1, wherein the positioning mechanism comprises a fixing plate, a fixing shaft, a connecting shaft and a transmission rod, the fixing plate is arranged in the groove in a sliding mode, the fixing shaft is arranged on one side, far away from the groove, of the fixing plate, one end of the connecting shaft is arranged on one side, far away from the fixing shaft, of the fixing plate, the connecting shaft is perpendicular to the fixing plate, the connecting shaft is meshed with one end of the transmission rod, the transmission rod is arranged in the groove in a rotating mode, and one end, far away from the connecting shaft, of the transmission rod extends out of the groove.

3. The fixing device for the lower die of the pipe making machine for producing the large-caliber steel pipes as claimed in claim 2, wherein the transmission rod is perpendicular to the connecting shaft, a rack is arranged on the lower surface of the connecting shaft, a gear is arranged at one end, meshed with the connecting shaft, of the transmission rod, and the rack is meshed with the gear.

4. A lower die fixing device for a pipe making machine for producing large-caliber steel pipes as claimed in claim 3, wherein the two sides of the lower die, which are close to the grooves, are provided with mounting holes matched with a fixing shaft, and the fixing shaft and the mounting holes are arranged in a sliding manner.

5. A lower die fixing device for a pipe making machine for producing large-caliber steel pipes as set forth in claim 4, wherein a rotating handle is arranged on one side of the transmission rod away from the connecting shaft.

6. The lower die fixing device for a pipe making machine for producing large-caliber steel pipes as set forth in claim 5, wherein the quick fixing device comprises a pressing handle, a supporting seat, an adjusting bolt and a pressing seat, the supporting seat is fixed on the upper surface of the base, the pressing handle and the supporting seat are rotatably arranged, the adjusting bolt is arranged on one side, far away from the pressing handle, of the supporting seat, and the lower end of the adjusting bolt is provided with the pressing seat.

7. The lower die fixing device for the pipe making machine for producing the large-caliber steel pipes as claimed in claim 6, wherein a cavity is formed in the buffer seat, a plurality of springs are arranged in the cavity, one ends of the springs are arranged at the bottom of the cavity, and the other ends of the springs are arranged on the lower surface of the electromagnet.