CN218475833U

CN218475833U - Be used for stainless steel corrugated pipe multilayer shaping axiality hydraulic means

Info

Publication number: CN218475833U
Application number: CN202222831474.3U
Authority: CN
Inventors: 邓小冬; 甄瑞瑞; 秦宝华; 江凤明
Original assignee: Jiangsu Henggao Electric Manufacturing Co ltd
Current assignee: Jiangsu Henggao Electric Manufacturing Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-14
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a be used for nonrust corrugated steel pipe multilayer shaping axiality hydraulic means, including the guide pillar, fill up mound and bayonet socket, the outer wall of guide pillar is installed and is filled up the mound, the side forms is installed to the outer wall of guide pillar, fill up the inner wall of mound and install first branch, first spring is installed to the outer wall of first branch. The utility model discloses an install the side forms, press ripples card and pipe, the bellows wave distance has been realized, ripples height one shot forming, many guide pillars are fixed the effect of having guaranteed the axiality between the many ripples, guarantee that the pipe does not have the dust at the during operation, impurity and indentation, then assemble the side forms and pad mound according to pressing the ripples card, the downthehole external diameter that makes guide pillar and all pressure ripples cards that inserts the side forms of many guide pillars of reuse is tangent, the upper and lower axiality of bellows has been guaranteed, hydraulic forming is carried out to water injection in the pipe after the equipment is accomplished, the bellows wave distance has been realized, ripples height one shot forming, many guide pillars are fixed the function of having guaranteed the axiality between the many ripples.

Description

Be used for stainless steel corrugated pipe multilayer shaping axiality hydraulic means

Technical Field

The utility model relates to a bellows hydraulic forming technical field specifically is a be used for shaping axiality hydraulic means of nonrust corrugated steel pipe multilayer.

Background

In the traditional stainless steel corrugated pipe welding process, the steps of the traditional stainless steel corrugated pipe welding process are mainly MIG welding priming and TIG welding surface forming, and the traditional coaxiality hydraulic device has the defects that the wave pitch and the wave height of a multilayer corrugated pipe cannot be formed at one time, the stress release is not uniform, the coaxiality among multiple waves is inconsistent, and the traditional hydraulic device is not suitable for manufacturing the corrugated pipe, so that the hydraulic process for the multilayer forming coaxiality of the stainless steel corrugated pipe is required.

The existing stainless steel corrugated pipe multilayer forming coaxiality hydraulic device has the following defects:

patent document CN103292058B discloses a method for forming a titanium and thin-wall stainless steel corrugated pipe, which includes the following steps: placing titanium and thin-wall stainless steel corrugated pipes into a forming die, wherein the wall thickness of the titanium and thin-wall stainless steel corrugated pipes is less than 3mm, the forming die comprises an upper die, a middle die and a lower die, the middle die comprises a middle male die and a middle female die, the middle female die adopts high polymer rubber cushion blocks, and the circumference of each corrugated forming adopts 3-8 high polymer rubber cushion blocks; and (3) pressing the titanium and thin-wall stainless steel corrugated pipe blanks until the deformation and shrinkage of the rubber cushion block are 1/4-2/5. The invention uses the cushion block made of high molecular rubber to replace the common metal bulging cushion block, improves the wave height consistency of the metal corrugated pipe, and reduces or eliminates the instability phenomenon in the forming process of the metal corrugated pipe, thereby improving the quality and the service cycle of the metal corrugated pipe.

The method for forming the titanium and thin-wall stainless steel corrugated pipe reduces or eliminates the instability phenomenon in the forming process of the metal corrugated pipe, thereby improving the quality and the service cycle of the metal corrugated pipe and not considering the problem of inconsistent coaxiality among multiple waves of the corrugated pipe.

In view of the above, it is necessary to develop a multi-layer forming coaxiality hydraulic device for a stainless steel corrugated pipe, so that the coaxiality between multiple waves is ensured by fixing through a plurality of guide pillars.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for nonrust corrugated steel pipe multilayer shaping axiality hydraulic means to the inconsistent problem of axiality between the bellows multiwave is not considered in solving the proposition in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the coaxiality hydraulic device for multilayer forming of the stainless steel corrugated pipe comprises a guide pillar, a pad pier and a bayonet, wherein the pad pier is installed on the outer wall of the guide pillar, and a side die is installed on the outer wall of the guide pillar;

a first supporting rod is installed on the inner wall of the pad pier, a first spring is installed on the outer wall of the first supporting rod, an opening is formed in one end of the pad pier, and a sealing ring is installed at one end of the first spring;

one end of the pad pier is provided with a pressure wave clamping piece.

Preferably, the outer wall of the side form is provided with a sealing gasket.

Preferably, the outer wall of the sealing gasket is provided with a hydraulic head.

Preferably, the outer wall of the pressure wave clamping piece is provided with a pipe blank.

Preferably, the outer wall of the tube blank is provided with a melting channel.

Preferably, the sleeve is installed to the outer wall of bayonet socket, and telescopic inner wall runs through and installs the kelly, and the pull rod is installed to the one end of kelly, and the second spring is installed to the outer wall of pull rod, and second branch is installed to the one end of second spring, and the one end of second branch and the interior wall connection of side forms, and the slide is installed to the inner wall of side forms, and the slider is installed to the inner wall of slide, and the one end of slider is connected with the one end of pull rod, and the stopper is installed to the inner wall of slide, and the one end of pull rod extends to the top of side forms.

Preferably, the clamping head is installed at the bottom of the sealing gasket, and a through opening is formed in the outer wall of the clamping head.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install the side forms, pressure ripples card and pipe, bellows wave distance has been realized, wave height one shot forming, many guide pillars are fixed has guaranteed the effect of the axiality between the many ripples, the effect of melt channel is the shaping of convenient bellows, the effect of hydraulic head is for providing pressure for the shaping of bellows, it does not have dust to guarantee the pipe at the during operation, impurity and indentation, then assemble side forms and pad mound according to the pressure ripples card, reuse many guide pillars insert the downthehole outside diameter that makes guide pillar and all pressure ripples cards tangent of side forms, the upper and lower axiality of bellows has been guaranteed, water injection carries out hydraulic forming in the pipe after the equipment is accomplished, bellows wave distance, wave height one shot forming has been realized, many guide pillars are fixed the function of the axiality between the many ripples;

2. the utility model discloses an install the kelly, slider and second spring, the sealed effect of filling up quick fixation and saving manual labor has been realized, telescopic effect makes things convenient for the removal of kelly, the effect of stopper is that the removal for the kelly provides spacingly, sealed pad drives the dop and removes, the dop removes and makes it move to in the bayonet socket, the pine pull rod is driven the pull rod by the second spring and removes when the second spring is in the shrink state, the pull rod removes and drives the slider and remove, the slider removes and makes the pull rod drive the kelly and remove, the kelly removes and makes its card go into to make sealed quick fixation of pad save manual labor in the through hole, the sealed function of filling up quick fixation and saving manual labor has been realized.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic cross-sectional structure of the present invention;

FIG. 4 is a schematic view of the structure of the pad pier of the present invention;

fig. 5 is a schematic structural view of the pull rod of the present invention.

In the figure: 1. a guide post; 2. padding a pier; 3. a wave pressing card; 4. side forms; 5. a gasket; 6. a hydraulic head; 7. melting; 8. a pipe blank; 9. a first support bar; 10. an opening; 11. a first spring; 12. a seal ring; 13. a bayonet; 14. a sleeve; 15. clamping a head; 16. a through opening; 17. a clamping rod; 18. a pull rod; 19. a slideway; 20. a slider; 21. a limiting block; 22. a second support bar; 23. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, a multi-layer forming coaxiality hydraulic device for a stainless steel corrugated pipe comprises a guide pillar 1, a pad pier 2 and a bayonet 13, wherein the guide pillar 1 is used for supporting the pad pier 2, the pad pier 2 is used for supporting a pressure wave card 3, the bayonet 13 is used for facilitating clamping of a clamping head 15, the pad pier 2 is installed on the outer wall of the guide pillar 1, a side die 4 is installed on the outer wall of the guide pillar 1, and the side die 4 is used for supporting a sealing pad 5.

Referring to fig. 1, 2, 3 and 4, a first supporting rod 9 is installed on the inner wall of a pad pier 2, a first spring 11 is installed on the outer wall of the first supporting rod 9, an opening 10 is arranged at one end of the pad pier 2, a sealing ring 12 is installed at one end of the first spring 11, a pressure wave clamping piece 3 is installed at one end of the pad pier 2, a sealing gasket 5 is installed on the outer wall of a side die 4, a hydraulic head 6 is installed on the outer wall of the sealing gasket 5, a tube blank 8 is installed on the outer wall of the pressure wave clamping piece 3, a melting channel 7 is arranged on the outer wall of the tube blank 8, the sealing gasket 5 and the first spring 11 realize the convenience of improving the sealing performance of the pressure wave clamping piece 3 and the pad pier 2, the effect of melt way 7 is the shaping that makes things convenient for the bellows, hydraulic head 6's effect provides pressure for the shaping of bellows, it does not have the dust to guarantee pipe 8 at the during operation, impurity and indentation, then assemble side forms 4 and pad mound 2 according to pressure ripples card 3, it is tangent with all pressure ripples card 3's external diameter that make guide pillar 1 in the downthehole of side forms 4 with many guide pillars 1 of reuse, the upper and lower axiality of bellows has been guaranteed, inject water into pipe 8 after the equipment is accomplished and carry out hydraulic forming, bellows wave distance has been realized, wave height one shot forming, many guide pillars 1 are fixed the function of the axiality of having guaranteed between the multiwave.

Referring to fig. 1 and 5, a sleeve 14 is installed on the outer wall of the bayonet 13, a clamping rod 17 is installed on the inner wall of the sleeve 14 in a penetrating manner, a pull rod 18 is installed at one end of the clamping rod 17, a second spring 23 is installed on the outer wall of the pull rod 18, a second support rod 22 is installed at one end of the second spring 23, one end of the second support rod 22 is connected with the inner wall of the side die 4, a slide 19 is installed on the inner wall of the side die 4, a slide block 20 is installed on the inner wall of the slide 19, one end of the slide block 20 is connected with one end of the pull rod 18, a limiting block 21 is installed on the inner wall of the slide 19, one end of the pull rod 18 extends to the top of the side die 4, a clamping head 15 is installed at the bottom of the sealing gasket 5, a through opening 16 is formed in the outer wall of the clamping head 15, the sleeve 14 serves to facilitate movement of the clamping rod 17, the limiting block 21 serves to provide a limiting limit for movement of the clamping rod 17, the sealing gasket 5 drives the clamping head 15 to move so as to move the clamping head 13, the clamping rod 18 is loosened when the second spring 23 is in a retracted state, the clamping rod 18, the clamping rod moves so as to enable the clamping rod to be clamped in a labor saving function of fixing the labor saving the labor, and fix the labor saving, and the labor intensity of the labor saving the labor intensity of the sealing gasket 5.

The working principle is that the guide posts 1 are used for supporting the cushion pier 2, the cushion pier 2 is used for supporting the pressure wave clamping piece 3, the bayonet 13 is used for facilitating clamping of the clamping head 15, the sealing gasket 5 and the first spring 11 are used for facilitating improvement of the sealing performance of the pressure wave clamping piece 3 and the cushion pier 2, the melt channel 7 is used for facilitating forming of the corrugated pipe, the hydraulic head 6 is used for providing pressure for forming of the corrugated pipe, during working, it is guaranteed that the pipe blank 8 is free of dust, impurities and indentation, then the side die 4 and the cushion pier 2 are assembled according to the pressure wave clamping piece 3, a plurality of guide posts 1 are inserted into holes of the side die 4 to enable the guide posts 1 and the outer diameters of all the pressure wave clamping pieces 3 to be equal in diameter, the vertical coaxiality of the corrugated pipe is guaranteed, water is injected into the pipe blank 8 for hydraulic forming after the assembly is completed, the corrugated pipe wave pitch and wave height one-step forming is achieved, the function of ensuring coaxiality between multiple waves is fixed by the guide pillars 1, the sleeve 14 is used for facilitating movement of the clamping rod 17, the limiting block 21 is used for limiting movement of the clamping rod 17, the sealing gasket 5 drives the clamping head 15 to move, the clamping head 15 moves to move into the bayonet 13, the second spring 23 is in a contraction state, the pull rod 18 is loosened, the second spring 23 drives the pull rod 18 to move, the pull rod 18 moves to drive the sliding block 20 to move, the sliding block 20 moves to enable the pull rod 18 to drive the clamping rod 17 to move, the clamping rod 17 moves to enable the clamping rod 17 to be clamped into the through opening 16, the sealing gasket 5 is rapidly fixed, manual labor is saved, and the function of rapidly fixing the sealing gasket 5 and saving manual labor is achieved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a be used for stainless steel corrugated pipe multilayer shaping axiality hydraulic means, includes guide pillar (1), pad mound (2) and bayonet socket (13), its characterized in that: the outer wall of the guide post (1) is provided with a pad pier (2), and the outer wall of the guide post (1) is provided with a side die (4);

a first supporting rod (9) is installed on the inner wall of the pad pier (2), a first spring (11) is installed on the outer wall of the first supporting rod (9), an opening (10) is formed in one end of the pad pier (2), and a sealing ring (12) is installed at one end of the first spring (11);

one end of the pad pier (2) is provided with a pressure wave clamping piece (3).

2. The hydraulic device for multilayer forming coaxiality of the stainless steel corrugated pipe as claimed in claim 1, wherein: and a sealing gasket (5) is arranged on the outer wall of the side die (4).

3. The hydraulic device for multilayer forming coaxiality of the stainless steel corrugated pipe as claimed in claim 2, wherein: and a hydraulic head (6) is arranged on the outer wall of the sealing gasket (5).

4. The hydraulic device for multilayer forming coaxiality of the stainless steel corrugated pipe as claimed in claim 1, wherein: and a pipe blank (8) is installed on the outer wall of the pressure wave clamping piece (3).

5. The hydraulic device for multilayer forming coaxiality of the stainless steel corrugated pipe as claimed in claim 4, wherein: the outer wall of the tube blank (8) is provided with a melting channel (7).

6. The hydraulic device for multilayer forming coaxiality of the stainless steel corrugated pipe as claimed in claim 1, wherein: sleeve (14) are installed to the outer wall of bayonet socket (13), the inner wall of sleeve (14) runs through and installs kelly (17), pull rod (18) are installed to the one end of kelly (17), second spring (23) are installed to the outer wall of pull rod (18), second branch (22) are installed to the one end of second spring (23), and the one end of second branch (22) and the interior wall connection of side forms (4), slide (19) are installed to the inner wall of side forms (4), slider (20) are installed to the inner wall of slide (19), and the one end of slider (20) is connected with the one end of pull rod (18), stopper (21) are installed to the inner wall of slide (19), and the one end of pull rod (18) extends to the top of side forms (4).

7. The hydraulic device for multilayer forming coaxiality of the stainless steel corrugated pipe as claimed in claim 2, wherein: dop (15) are installed to the bottom of sealed pad (5), and the outer wall of dop (15) is equipped with and runs through mouthful (16).