CN219151181U

CN219151181U - Steel pipe hydraulic pushing device

Info

Publication number: CN219151181U
Application number: CN202223469849.2U
Authority: CN
Inventors: 何建忠
Original assignee: Shanghai Tian Yang Steel Tube Co ltd
Current assignee: Shanghai Tian Yang Steel Tube Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-06-09
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to a steel pipe hydraulic pushing device in the technical field of steel pipe cold drawing, which comprises a cold drawing die and a supporting plate arranged on one side of the cold drawing die, wherein a hydraulic rod is fixedly connected inside the supporting plate, one end of the hydraulic rod is provided with a connecting component, one end of the connecting component is fixedly connected with a push plate, one side of the push plate is provided with a limit groove and a mounting screw groove, the inner thread of the mounting screw groove is connected with a mounting screw ring, one end of the mounting screw ring is fixedly connected with a fixing frame, the inside of the fixing frame is provided with a rectangular groove, and the inner wall of the rectangular groove is fixedly connected with a plurality of compression springs. Through backup pad, hydraulic stem, push pedal, spacing groove, installation helicoid groove, installation spiro ring, fixed frame, rectangular channel, compression spring, rectangle keep off the cooperation of ring and spacing frame and use to can be convenient for when promoting the steel pipe, spacing the steel pipe, avoid the steel pipe under the powerful push, the steel pipe is bent, crooked condition.

Description

Steel pipe hydraulic pushing device

Technical Field

The utility model relates to the technical field of steel pipe cold drawing, in particular to a hydraulic pushing device for steel pipes.

Background

When carrying out cold drawing to the steel pipe in the mould, generally all punch through one end to the steel pipe, and generally all when beating the head to the steel pipe, the length of beating is 150~300mm according to the difference of pipe diameter, is pulling the inside that equipment inserted the steel pipe was punched through equipment, then carries out cold drawing to the steel pipe from the inside of mould, and by the one end steel pipe of big end, and this section steel pipe usually counts as the waste material, can't use to cause the waste, and can be convenient for not beating the head to the steel pipe through hydraulic pushing device, be convenient for push out the steel pipe, realize cold drawing.

The utility model discloses a hydraulic pushing device as disclosed in the authority bulletin number CN203239255U, it is through the hydraulic cylinder lift replace the manual work to take the breakout tongs to block the steel pipe, be convenient for carry automatically, but the steel pipe among the prior art is at the hydraulic stem in-process of pushing the steel pipe, because the thrust of hydraulic stem is great, and the steel pipe is by the in-process of being pushed, because there is a partial hollow position in the inside of steel pipe, thereby under the circumstances that is pushed by force, make the steel pipe have the phenomenon such as distortion bending easily, cause the damage problem when the steel pipe cold drawing, we propose a steel pipe hydraulic pushing device for this reason.

Disclosure of Invention

In order to solve the problems, the utility model provides a hydraulic steel pipe pushing device, which is provided with a mechanism for preventing the steel pipe from bending and limiting the position of the steel pipe when pushing the steel pipe.

The technical scheme of the utility model is as follows: the utility model provides a steel pipe hydraulic pushing device, includes the cold drawing mould and installs the backup pad in cold drawing mould one side, the inside fixedly connected with hydraulic stem of backup pad, the one end of hydraulic stem is equipped with coupling assembling, coupling assembling's one end fixedly connected with push pedal, spacing groove and installation helicoidal groove have been seted up to one side of push pedal, the inside threaded connection of installation helicoidal groove has the installation spiral ring, the one end fixedly connected with fixed frame of installation spiral ring, rectangular channel has been seted up to the inside of fixed frame, the inner wall fixedly connected with multiple compression spring of rectangular channel, a plurality of the equal fixedly connected with rectangle of compression spring keeps off the ring, the one end fixedly connected with spacing frame of rectangle keeps off the ring.

In further technical scheme, the inside of spacing frame is threaded connection respectively has adjusting screw and No. two adjusting screw, no. one adjusting screw and No. two relative one end of adjusting screw all rotate and are connected with the limiting plate, no. one adjusting screw and No. two adjusting screw not relative one end all fixedly connected with adjusting ring, two the relative one side surface of limiting plate all is equipped with the slipmat.

In further technical scheme, coupling assembling includes the connecting screw rod of fixed connection in hydraulic stem one end, the surface cover of connecting screw rod has the baffle ring, one side rotation of push pedal is connected with the connecting screw barrel, the one end threaded connection of connecting screw rod is in the inside of connecting screw barrel.

In further technical scheme, two arc recesses have been seted up to the upper surface of backup pad, two arc lugs of bottom fixedly connected with of push pedal, two the one end sliding connection of arc lug is in the inside of arc recess.

In a further technical scheme, a limit groove is formed in one side of the cold drawing die, a limit bar is fixedly connected to one side of the supporting plate, and one end of the limit bar is arranged in the limit groove.

In a further technical scheme, a cold-drawing through groove is formed in the cold-drawing die.

The beneficial effects of the utility model are as follows:

1. the steel pipe is conveniently limited when being pushed by the cooperation of the supporting plate, the hydraulic rod, the pushing plate, the limiting groove, the mounting screw groove, the mounting spiral ring, the fixing frame, the rectangular groove, the compression spring, the rectangular baffle ring and the limiting frame, so that the condition that the steel pipe is bent and bent under the strong pushing action of the steel pipe is avoided, the heading procedure before cold drawing of the steel pipe is omitted, the production procedure of the steel pipe is simplified, the production efficiency is improved, and meanwhile, steel pipe waste generated in the cold drawing procedure of the steel pipe can be reduced;

2. through the cooperation of adjusting screw, no. two adjusting screw, limiting plate, adjusting ring and slipmat, thereby can be convenient for carry out the position to the inside steel pipe of spacing frame and further carry out spacing effect.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic view showing the internal structure of a fixing frame according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of a mounting groove according to an embodiment of the present utility model;

FIG. 4 is an enlarged view of the structure of FIG. 1A in accordance with an embodiment of the present utility model;

reference numerals illustrate:

1. cold drawing the mold; 2. a support plate; 3. a hydraulic rod; 4. a push plate; 5. a limit groove; 6. installing a screw groove; 7. installing a spiral ring; 8. a fixed frame; 9. rectangular grooves; 10. a compression spring; 11. a rectangular baffle ring; 12. a limit frame; 13. cold drawing the through groove; 14. a first adjusting screw; 15. a second adjusting screw; 16. a limiting plate; 17. an anti-slip pad; 18. a connecting screw; 19. a connecting screw cylinder; 20. an arc-shaped groove; 21. arc-shaped protruding blocks; 22. a limit groove; 23. a limit bar; 24. an adjusting ring; 25. a baffle ring.

Detailed Description

Embodiments of the present utility model are further described below with reference to the accompanying drawings.

Examples:

as shown in fig. 1-4, a steel pipe hydraulic pushing device, including cold drawing mould 1 and the backup pad 2 of installing in cold drawing mould 1 one side, the inside fixedly connected with hydraulic stem 3 of backup pad 2, be used for ejecting the inside of cold drawing mould 1 to the steel pipe, the one end fixedly connected with connecting screw 18 of hydraulic stem 3, the surface cover of connecting screw 18 has baffle ring 25, connecting screw 18's surface screw thread has cup jointed a connection spiral shell section of thick bamboo 19, be used for being connected between push pedal 4 and hydraulic stem 3, connecting spiral shell section of thick bamboo 19's one end fixedly connected with push pedal 4, be used for promoting the effect of steel pipe, limit groove 5 and installation helicoid 6 have been seted up to one side of push pedal 4, be used for spacing to the steel pipe position, the inside threaded connection of installation helicoid 7, the one end fixedly connected with fixed frame 8 of installation helicoid 7, rectangular channel 9 has been seted up to the inside of fixed frame 8, the inner wall fixedly connected with a plurality of compression springs 10 of steel pipe, the one end of a plurality of compression springs 10 all fixedly connected with rectangular baffle ring 11, the one end fixedly connected with limit frame 12 of rectangular baffle ring 11, when being used for promoting the push pedal 4, when promoting all around, limit groove 5, two limit groove 21 are connected with two arc-shaped groove 21 at two arc-shaped groove 21 when the inside of backup pad, two arc-shaped groove 20 is connected with arc-shaped groove 20.

The working principle of the technical scheme is as follows:

through rotating the connection screw 19, can make the one end threaded connection of connecting screw 18 in the inside of connecting screw 19 under the effect of screw thread, the effect of being connected between push pedal 4 and the hydraulic stem 3, then through placing the one end of steel pipe in the inside of spacing groove 5, through the elasticity promotion rectangle baffle ring 11 of compression spring 10 slides in the inside of rectangle groove 9, thereby can promote spacing frame 12 slip, carry out the position spacing to the outside of steel pipe, then promote push pedal 4 slip through starting hydraulic stem 3, fixed frame 8 has been promoted to push pedal 4, spacing frame 12 and the steel pipe promotes to one side of cold drawing mould 1, through the spacing to the steel pipe, avoid when promoting the steel pipe roll-off cold drawing mould 1, the condition that the steel pipe is crooked, simultaneously when promoting the steel pipe, make the one end of spacing frame 12 slide in the inside of fixed frame 8, shrink, avoid influencing the spacing to the steel pipe.

In another embodiment, as shown in fig. 1 and fig. 2, the first adjusting screw 14 and the second adjusting screw 15 are respectively screwed in the limiting frame 12 and used for limiting the position of the limiting plate 16, the opposite ends of the first adjusting screw 14 and the second adjusting screw 15 are rotationally connected with the limiting plate 16 and used for limiting and clamping the steel pipe, the non-opposite ends of the first adjusting screw 14 and the second adjusting screw 15 are fixedly connected with the adjusting ring 24, and anti-slip pads 17 are respectively arranged on the opposite side surfaces of the two limiting plates 16 and increase friction between the two limiting plates and the steel pipe.

The first adjusting screw 14 and the second adjusting screw 15 are respectively driven to rotate by rotating the two adjusting rings 24, the limiting plate 16 is pushed to slide towards the middle under the action of threads, then the anti-slip pads 17 can be pushed to abut against the two sides of the steel pipe, and the limiting of the steel pipe is increased when the steel pipe is pushed.

In another embodiment, as shown in fig. 1, a limit groove 22 is formed on one side of the cold drawing die 1, a limit bar 23 is fixedly connected to one side of the support plate 2, one end of the limit bar 23 is disposed in the limit groove 22, and a cold drawing through groove 13 is formed in the cold drawing die 1.

The position of the supporting plate 2 can be conveniently limited by the limiting grooves 22 and the limiting strips 23.

The foregoing examples merely illustrate specific embodiments of the utility model, which are described in greater detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims

1. The utility model provides a steel pipe hydraulic pushing device, includes cold drawing mould (1) and installs backup pad (2) in cold drawing mould (1) one side, its characterized in that: the inside fixedly connected with hydraulic stem (3) of backup pad (2), the one end of hydraulic stem (3) is equipped with coupling assembling, coupling assembling's one end fixedly connected with push pedal (4), spacing groove (5) and installation helicoidal groove (6) have been seted up to one side of push pedal (4), the inside threaded connection of installation helicoidal groove (6) has installation helicoidal ring (7), the one end fixedly connected with fixed frame (8) of installation helicoidal ring (7), rectangular groove (9) have been seted up to the inside of fixed frame (8), the inner wall fixedly connected with a plurality of compression spring (10) of rectangular groove (9), a plurality of the equal fixedly connected with rectangle of one end of compression spring (10) keeps off ring (11), the one end fixedly connected with spacing frame (12) of rectangle keeps off ring (11).

2. A steel pipe hydraulic pushing device according to claim 1, characterized in that: the inside of spacing frame (12) is threaded connection respectively has adjusting screw (14) and No. two adjusting screw (15), no. one adjusting screw (14) and No. two opposite one end of adjusting screw (15) all rotate and are connected with limiting plate (16), no. one adjusting screw (14) and No. two opposite one end of adjusting screw (15) all fixedly connected with adjusting ring (24), two the opposite one side surface of limiting plate (16) all is equipped with slipmat (17).

3. A steel pipe hydraulic pushing device according to claim 1, characterized in that: the connecting assembly comprises a connecting screw rod (18) fixedly connected to one end of the hydraulic rod (3), a baffle ring (25) is sleeved on the surface of the connecting screw rod (18), a connecting screw cylinder (19) is rotatably connected to one side of the push plate (4), and one end of the connecting screw rod (18) is in threaded connection with the inside of the connecting screw cylinder (19).

4. A steel pipe hydraulic pushing device according to claim 1, characterized in that: two arc grooves (20) are formed in the upper surface of the supporting plate (2), two arc protruding blocks (21) are fixedly connected to the bottom of the pushing plate (4), and one ends of the two arc protruding blocks (21) are slidably connected to the inside of the arc grooves (20).

5. A steel pipe hydraulic pushing device according to claim 1, characterized in that: a limiting groove (22) is formed in one side of the cold drawing die (1), a limiting strip (23) is fixedly connected to one side of the supporting plate (2), and one end of the limiting strip (23) is arranged in the limiting groove (22).

6. A steel pipe hydraulic pushing device according to claim 5, wherein: a cold drawing through groove (13) is formed in the cold drawing die (1).