CN112620468A

CN112620468A - Seamless taper pipe production device

Info

Publication number: CN112620468A
Application number: CN202011285243.6A
Authority: CN
Inventors: 张龙泽; 马彪; 陈洁; 王军
Original assignee: Zhejiang Qingshan Steel Pipe Co ltd
Current assignee: Zhejiang Qingshan Steel Pipe Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-04-09

Abstract

The invention discloses a seamless taper pipe production device which comprises a base, wherein a support platform is arranged above the base, a group of hydraulic cylinders is fixed on the support platform, a support plate is arranged below the support platform, an upper die is fixed at the bottom end of the support plate, a lower die is fixed on the base, a left support plate is fixed on the left side of the top end of the base, a left hydraulic cylinder is fixed on the left support plate, a high-pressure water hole plug is fixed on a piston rod of the left hydraulic cylinder, a water inlet hole is formed in the high-pressure water hole plug, a group of first O-shaped rings are installed on the high-pressure water hole plug, a right support plate is fixed on the right side of the top end of the base, a right hydraulic cylinder is fixed on the right support plate, a right blind hole plug is. The seamless tapered pipe processing device is ingenious and reasonable in structural design, can process straight pipes into seamless tapered pipes quickly, low in cost and good in quality, and is worthy of popularization and application.

Description

Seamless taper pipe production device

Technical Field

The invention relates to a device, in particular to a seamless taper pipe production device.

Background

The production of the taper pipe is a difficult problem in the industry, because of the problem of the taper, the common practice on the market is to directly extrude the straight pipe by using the tapered rod, thereby extruding the straight pipe into the taper pipe, in this way, because the head end of the straight pipe always suffers from the action of the extrusion force, the break is easy to generate, for the material with poor ductility, the yield is very low, and through the taper pipe after extrusion forming, the fatigue resistance of the taper pipe is poor, and the product quality is unstable.

Disclosure of Invention

The invention aims to solve the defects of the prior art, provides the seamless taper pipe production device which is suitable for processing the straight metal pipes with different ductility into the taper pipes and has high yield and good product quality, and meets the requirements of good processing quality and low production cost of the taper pipes of enterprises.

The invention adopts the technical scheme for solving the technical problems that: the seamless taper pipe production device comprises a base, wherein a support is arranged above the base, a group of hydraulic cylinders are fixed on the support, a support plate is arranged below the support, pistons of the hydraulic cylinders are all fixed with the support plate, an upper die is fixed at the bottom end of the support plate, a lower die is fixed on the base, an upper left blocking notch, an upper left clamping notch, an upper expanding notch and an upper right blocking notch are sequentially arranged on the lower end surface of the upper die from left to right, a lower left blocking notch, a lower left clamping notch, a lower expanding notch and a lower right blocking notch are sequentially arranged on the upper end surface of the lower die from left to right, a left support plate is fixed on the left end of the base, a left hydraulic cylinder is fixed on the left support plate, a high-pressure water hole plug is fixed on a piston rod of the left hydraulic cylinder, a water inlet is formed in the high-pressure water hole plug, a group of first O-shaped rings is installed, a right hydraulic cylinder is fixed on the right supporting plate, a right blocking plug is fixed on a piston rod of the right hydraulic cylinder, and a second O-shaped ring is installed on the right blind hole plug. The base, the hydraulic cylinder and the supporting plate have the functions of opening and closing the upper die and the lower die; the upper die, the upper left plugging notch, the upper left clamping notch, the upper expanding notch, the upper right plugging notch, the lower die, the lower left plugging notch, the lower left clamping notch, the lower expanding notch and the lower right plugging notch have the functions of clamping the straight pipe and applying water pressure to the straight pipe, so that the straight pipe can be expanded, and the shape of the straight pipe can be changed into a conical shape; the left hydraulic cylinder, the high-pressure water hole plug and the water inlet hole have the functions of plugging the left side of the straight pipe, then installing a high-pressure water pipe joint through the high-pressure water hole plug and introducing high-pressure water through the water inlet hole, so that the straight pipe expands and deforms to form a taper pipe; the right hydraulic cylinder and the right blocking plug have the functions of blocking the right end of the straight pipe; the cross sections of the upper left plugging notch, the upper left clamping notch, the upper expanding notch, the upper right plugging notch, the lower left clamping notch, the lower expanding notch and the lower right plugging notch are all in a semi-circular arc shape.

Further perfection, and third O-shaped rings are arranged on the upper left plugging notch and the lower left plugging notch. Here, the third O-ring functions to provide a better sealing function.

And further perfecting, and mounting fourth O-shaped rings on the upper right blocking notch and the lower right blocking notch. The fourth O-ring here has the effect that a better sealing action is achieved.

The invention has the beneficial effects that: the water pressure-bearing straight pipe pressing device is ingenious and reasonable in structural design, the upper die and the lower die can be used for wrapping the straight pipe, so that water pressure can be applied to the straight pipe, the upper expanding notches and the lower expanding notches of the upper die and the lower die can be used for pressing the straight pipe into the conical pipe, and the water pressure-bearing straight pipe pressing device is worthy of popularization and application.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the upper and lower mold regions of the present invention;

FIG. 3 is a flow chart of the working principle of the present invention;

FIG. 4 is a schematic flow chart of the present invention for processing a straight pipe into a tapered pipe.

Description of reference numerals: the device comprises a base 1, a supporting platform 2, a hydraulic cylinder 3, a lower supporting plate 4, an upper die 5, a left blocking notch 5-1, an upper left clamping notch 5-2, an upward-shaped notch 5-3, an upper right blocking notch 5-4, a lower die 6, a lower left blocking notch 6-1, a lower left clamping notch 6-2, a downward-shaped notch 6-3, a lower right blocking notch 6-4, a left supporting plate 7, a left hydraulic cylinder 8, a high-pressure water hole plug 9, a water inlet hole 9-1, a first O-shaped ring 9-2, a right supporting plate 10, a right hydraulic cylinder 11, a right blocking plug 12, a third O-shaped ring 13, a fourth O-shaped ring 14, a straight pipe 15 and a finished seamless taper pipe 16.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

with reference to the accompanying drawings: the seamless taper pipe production device comprises a base 1, a support platform 2 is arranged above the base 1, a group of hydraulic cylinders 3 are fixed on the support platform 2, a support plate 4 is arranged below the support platform 2, pistons of the hydraulic cylinders 3 are all fixed with the support plate 4, an upper die 5 is fixed at the bottom end of the support plate 4, a lower die 6 is fixed on the base 1, an upper left blocking notch 5-1, an upper left clamping notch 5-2, an upper expanding notch 5-3 and an upper right blocking notch 5-4 are sequentially arranged on the lower end surface of the upper die 5 from left to right, a lower left blocking notch 6-1, a lower left clamping notch 6-2, a lower expanding notch 6-3 and a lower right blocking notch 6-4 are sequentially arranged on the upper end surface of the lower die 6 from left to right, a left support plate 7 is fixed on the left side of the top end of the base 1, a left hydraulic cylinder 8 is fixed on the left support plate 7, a high-pressure water hole 9 is fixed on a, a water inlet 9-1 is formed in the high-pressure water hole plug 9, a group of first O-shaped rings 9-2 is mounted on the high-pressure water hole plug 9, a right supporting plate 10 is fixed to the right side of the top end of the base 1, a right hydraulic cylinder 11 is fixed to the right supporting plate 10, a right blocking plug 12 is fixed to a piston rod of the right hydraulic cylinder 11, and a second O-shaped ring 12-1 is mounted on the right blocking plug 12.

And a third O-shaped ring 13 in a half-ring type is arranged on each of the upper left blocking notch 5-1 and the lower left blocking notch 6-1.

And a half-ring type fourth O-shaped ring 14 is arranged on the upper right blocking notch 5-4 and the lower right blocking notch 6-4.

The working principle of the invention is as follows: firstly, a straight pipe 15 is placed at a lower left plugging notch 6-1 and a lower right plugging notch 6-4 of a lower die 6, then, a hydraulic press 1 is started, the hydraulic press 1 drives an upper die 5 to move downwards and enables the left plugging notch 5-1 and the upper right plugging notch 5-4 on the upper die 5 to be pressed, so that the straight pipe 15 is pressed, then, a left hydraulic cylinder 8 and a right hydraulic cylinder 11 are started, so that a high-pressure water hole plug 9 and a right plugging plug 12 are driven to plug two openings of the straight pipe 15, then, a high-pressure water pipe is tightly and fixedly connected at the inlet end of the high-pressure water hole plug 9, the high-pressure water applies pressure to the straight pipe 15 through a water inlet hole 9-1, so that the straight pipe 15 expands to an upward-shaped notch 5-3 and a downward-shaped notch 6-3, so that a conical shape is formed, then, the head and the tail of a semi-finished product are removed, so, As shown in fig. 3), is worthy of popularization and application.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides a seamless taper pipe apparatus for producing, includes base (1), base (1) top is equipped with a platform (2), characterized by: a group of hydraulic cylinders (3) are fixed on the supporting platform (2), a supporting plate (4) is arranged below the supporting platform (2), pistons of the hydraulic cylinders (3) are fixed with the supporting plate (4), an upper die (5) is fixed at the bottom end of the supporting plate (4), a lower die (6) is fixed on the base (1), an upper left blocking notch (5-1), an upper left clamping notch (5-2), an upper expanding notch (5-3) and an upper right blocking notch (5-4) are sequentially arranged on the lower end face of the upper die (5) from left to right, a lower left blocking notch (6-1), a lower left clamping notch (6-2), a lower expanding notch (6-3) and a lower right blocking notch (6-4) are sequentially arranged on the upper end face of the lower die (6) from left to right, a left supporting plate (7) is fixed on the left side of the top end of the base (1), be fixed with left pneumatic cylinder (8) on left support plate (7), be fixed with high pressure water hole end cap (9) on the piston rod of left side pneumatic cylinder (8), it has inlet opening (9-1) to open on high pressure water hole end cap (9), install a set of first O shape circle (9-2) on high pressure water hole end cap (9), base (1) top right side is fixed with right branch fagging (10), be fixed with right pneumatic cylinder (11) on right branch fagging (10), be fixed with right side jam end cap (12) on the piston rod of right pneumatic cylinder (11), install second O shape circle (12-1) on the right side jam end cap (12).

2. The apparatus for producing seamless taper pipe according to claim 1, wherein: and half-ring type third O-shaped rings (13) are arranged on the upper left blocking notch (5-1) and the lower left blocking notch (6-1).

3. The apparatus for producing seamless taper pipe according to claim 2, wherein: and the upper right plugging notch (5-4) and the lower right plugging notch (6-4) are respectively provided with a half-ring type fourth O-shaped ring (14).