CN212821989U

CN212821989U - Expanding device for expanding equipment of large-wall-thickness compensator

Info

Publication number: CN212821989U
Application number: CN202021805276.4U
Authority: CN
Inventors: 汤爱军
Original assignee: Qinhuangdao Haizhi Technology Co ltd
Current assignee: Qinhuangdao Haizhi Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-30
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses an expansion device for expansion equipment of a large wall thickness compensator, wherein a die block is arranged on the top of a guide post and consists of a lower die reset block, a die and an upper die reset block, the die is positioned between the lower die reset block and the upper die reset block, the lower die reset block is positioned below the upper die reset block, and the die, the lower die reset block and the upper die reset block are fixedly connected by screws, in the expansion process of the large wall thickness compensator, planes with different numbers on a cone body provide driving force for the die block and limit the moving position of the die during expansion, thereby ensuring the position precision of the die during moving, and simultaneously resetting through a plurality of groups of reset springs during recovery, thus avoiding the need of a fragile mechanical reset structure in the original production technology and ensuring that the cone body and the die cannot be damaged during the production process of the large wall thickness compensator, the cone and the die are protected.

Description

Expanding device for expanding equipment of large-wall-thickness compensator

Technical Field

The utility model relates to a big wall thickness compensator type device technical field that rises specifically is a big wall thickness compensator type equipment that rises is with type device that rises.

Background

The production technology of the compensator has a history of more than 100 years abroad, at the end of the fifties of the last century, in order to meet the development requirement of the aerospace industry in China, the corrugated pipe for the pipeline is successfully developed in China, the corrugated pipe compensator is researched in the beginning of sixties, the corrugated pipe compensator is also developed in succession in various industrial fields in China so as to meet the matching requirement of products in the industry, the development is developed to the present, hundreds of compensator production plants are provided in China, the production technology of the compensator is developed for many years and has great progress, but in the production process, a plurality of problems still exist, such as a large-wall-thickness compensator used on a high-pressure pipeline, the expansion type can only be used in the production, the strength of a slideway structure in the current mechanical expansion type method is small, although a mechanical mechanism can be used for withdrawing a mould, the mechanical structure can be damaged due to the slightly increased pressure caused by the strength, therefore, the method is not suitable for producing large wall thickness compensators with the wall thickness of more than 5mm for a long time;

however, in the hydraulic expansion mode, a whole set of mold and sealing ring is required to be installed each time, the production efficiency is very low, the hydraulic expansion mode is only suitable for small-batch production, in addition, the mold cost of the hydraulic expansion mode is very high and is several times or even more than ten times of that of the mechanical expansion mode, and the production cost is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a big wall thickness compensator type equipment that rises is with type device that rises can effectively solve and propose among the above-mentioned background art that the slide structural strength that has in the present mechanical type method that rises is little, and unsuitable long-term production wall thickness is at the big wall thickness compensator more than 5mm, and production efficiency is very low, the very high problem of manufacturing cost.

In order to achieve the above object, the utility model provides a following technical scheme: the expansion device for the expansion equipment of the large wall thickness compensator comprises a guide post, wherein a die block is arranged at the top of the guide post and consists of a die lower reset block, a die and a die upper reset block, the die is positioned between the die lower reset block and the die upper reset block, the die lower reset block is positioned below the die upper reset block, the die lower reset block and the die upper reset block are fixedly connected through screws, the bottom of the die lower reset block is fixedly connected with the top of the guide post, and the top of the die upper reset block is fixedly connected with the bottom of an upper gland;

the upper gland is provided with a positioning hole, the inner side of the die block is provided with a long groove, a plugging screw is embedded and connected in the long groove, the plugging screw sequentially penetrates through the upper gland, the upper die reset block, the die and the lower die reset block, and the bottom of the plugging screw is embedded and fixedly connected to the upper surface of the guide post;

the middle part of the inner side of the die block is embedded and matched with a cone, the cone is provided with multiple surfaces, the bottom of the cone is positioned in the guide post, and the position, located at the top of the inner side of the guide post, of the bottom of the cone is connected with a connecting pull rod.

The die block is positioned between the upper gland and the guide post, sliding grooves are processed on one sides of the upper gland and the guide post, which are in contact with the die block, and the die block can move inside and outside in the sliding grooves.

Preferably, the outer side edge parts of the lower reset block and the upper reset block of the mold are provided with grooves, the number of the grooves is 3-8 according to the equipment specification, and each groove is internally provided with a reset spring.

Preferably, the cone is a frustum with 6-16 surfaces, and the bottom end of the cone is in threaded connection with the connecting pull rod.

Preferably, every face of cone promotes a mould chunk outwards to the intermediate position of every face of cone has all been seted up and has been prevented changeing the draw-in groove, and the corresponding position department of draw-in groove that corresponds with preventing changeing on every face of mould chunk all is provided with the boss, prevents changeing the boss on draw-in groove and the mould chunk and mutually supports.

Preferably, the lower end of the connecting pull rod is connected with an oil cylinder, the oil cylinder provides driving force for the cone, after the cone is stressed, the mold is pushed by the cone to move outwards during expansion, and the mold is pulled back to the initial position by a return spring after expansion.

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

the utility model discloses in the big wall thickness type that rises in-process, mainly provide drive power for the mould chunk by the unequal plane of quantity on the centrum to the shift position when rising the type to the mould limits, thereby guarantee the precision of position when the mould moves, reset through multiunit reset spring when retrieving simultaneously, just so need not the fragile mechanical reset structure among the original production technology, guarantee can not damage cone and mould in big wall thickness compensator production process, protected cone and mould;

meanwhile, the driving force is transmitted in the mode, and the reset is carried out through the reset spring, so that the problems that the production efficiency is low, the production cost is high and the like in the production of the traditional hydraulic mode are solved, the production cost is greatly reduced while the production efficiency is improved in the mode, the development of the large wall thickness compensator technology is greatly promoted, and the large wall thickness compensator is convenient to popularize and use subsequently.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

reference numbers in the figures: 1. a guide post; 2. a lower mold reset block; 3. a mold; 4. a return spring; 5. a gland is arranged; 6. a cone; 7. plugging and screwing screws; 8. a reset block is arranged on the die; 9. a pull rod is connected.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figure 1, the utility model provides a technical scheme, the expanding device for the expanding equipment of the large wall thickness compensator comprises a guide column 1, a mould block is arranged at the top of the guide column 1, the mould block is composed of a lower mould resetting block 2, a mould 3 and an upper mould resetting block 8, the mould 3 is positioned between the lower mould resetting block 2 and the upper mould resetting block 8, the outer side parts of the lower mould resetting block 2 and the upper mould resetting block 8 are respectively provided with a groove, the number of the grooves is divided into 3-8 according to the specification of the equipment, and a resetting spring 4 is arranged in each groove, so that the resetting spring 4 is conveniently connected with the lower mould resetting block 2 and the upper mould resetting block 8, the position of the resetting spring 4 after installation is conveniently limited, the lower mould resetting block 2 is positioned below the upper mould resetting block 8, and the three parts of the mould 3, the lower mould resetting block 2 and the upper mould resetting block 8 are fixedly connected through screws, the bottom of the lower die reset block 2 is fixedly connected with the top of the guide post 1, the top of the upper die reset block 8 is fixedly connected with the bottom of the upper gland 5, the die block is positioned between the upper gland 5 and the guide post 1, sliding grooves are processed on the upper gland 5 and one side of the guide post 1, which is in contact with the die block, the die block can move inside and outside the sliding grooves, the die block is convenient to mount, and the position of the die block is convenient to adjust;

a positioning hole is formed in the upper gland 5, an elongated slot is formed in the inner side of the die block, a plugging screw 7 is embedded and connected in the elongated slot, the plugging screw 7 sequentially penetrates through the upper gland 5, the upper die reset block 8, the die 3 and the lower die reset block 2, and the bottom of the plugging screw 7 is embedded and fixedly connected to the upper surface of the guide column 1;

the middle part of the inner side of the die block is embedded and matched with a cone 6, the cone 6 is provided with a plurality of surfaces, the cone 6 is a frustum body with 6-16 surfaces, the bottom end of the cone 6 is connected with a connecting pull rod 9 through threads, the connection between the bottom end of the cone 6 and the connecting pull rod 9 is convenient, the stability of the connection between the bottom end of the cone 6 and the connecting pull rod is ensured, the bottom of the cone 6 is positioned in the guide post 1, each surface of the cone 6 pushes one die block to expand outwards, an anti-rotation clamping groove is formed in the middle of each surface of the cone 6, bosses are arranged on each surface of the die block corresponding to the anti-rotation clamping grooves and are matched with the bosses on the die block, the cone 6 is prevented from rotating in the ascending or descending process, the moving position of the cone 6 is limited, and the connecting pull rod 9 is connected at the position of the bottom of the, the lower end of the connecting pull rod 9 is connected with an oil cylinder, the oil cylinder provides driving force for the cone 6, after the cone 6 is stressed, the mold 3 is pushed to move outwards through the cone 6 during expansion, and the mold 3 is pulled back to the initial position by the return spring 4 after expansion, so that the position of the mold 3 can be changed conveniently, and meanwhile, the working efficiency of the mold 3 in the expansion process is improved.

The utility model discloses a theory of operation and use flow: in the practical application process of the large-wall-thickness compensator expansion equipment, the bottom of a cone 6 is connected with a connecting pull rod 9 through threads, the lower end of the connecting pull rod 9 is connected with an equipment oil cylinder, and the compensator provides driving force for the cone 6 through the oil cylinder when in work;

when expanding, after the cone 6 is stressed, the mould 3 is pushed by the cone 6 to move outwards, after expanding, the mould 3 is pulled back to the initial position by the reset spring 4, in the expanding process, the planes with different numbers on the cone 6 mainly provide driving force for the mould blocks, the moving position of the mould 3 during expanding is limited, and the mould 3 is reset by a plurality of groups of reset springs 4 during recovery, so that a fragile mechanical reset structure in the original production technology is replaced, and the cone 6 and the mould 3 are not damaged in the production process of the large-wall-thickness compensator.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a big wall thickness compensator rises type equipment with rising type device, includes guide post (1), its characterized in that: the top of the guide column (1) is provided with a die block, the die block is composed of a lower die reset block (2), a die (3) and an upper die reset block (8), the die (3) is positioned between the lower die reset block (2) and the upper die reset block (8), the lower die reset block (2) is positioned below the upper die reset block (8), the die (3), the lower die reset block (2) and the upper die reset block (8) are fixedly connected through screws, the bottom of the lower die reset block (2) is fixedly connected with the top of the guide column (1), and the top of the upper die reset block (8) is fixedly connected with the bottom of the upper gland (5);

elongated grooves are formed in the inner sides of the upper gland (5) and the die block, a driving screw (7) is embedded into each elongated groove, the driving screws (7) sequentially penetrate through the upper gland (5), the upper die reset block (8), the die (3) and the lower die reset block (2), and the bottom of each driving screw (7) is embedded into and fixedly connected to the upper surface of the guide column (1);

go up gland (5) and go up the processing and have the locating hole, the inboard middle part embedding of mould chunk is agreed with and is connected with cone (6), and cone (6) are provided with the multiaspect, cone (6) bottom is located guide post (1), and cone (6) bottom is located guide post (1) inboard top position department and is connected with and connect pull rod (9).

2. The expansion device for the expansion equipment of the large wall thickness compensator as claimed in claim 1, wherein: the die block is positioned between the upper gland (5) and the guide post (1), sliding grooves are processed on one sides of the upper gland (5) and the guide post (1) which are in contact with the die block, and the die block can move inside and outside in the sliding grooves.

3. The expansion device for the expansion equipment of the large wall thickness compensator as claimed in claim 1, wherein: the outer side edge parts of the lower die reset block (2) and the upper die reset block (8) are provided with grooves, the number of the grooves is divided into 3-8 according to the equipment specification, and each groove is internally provided with a reset spring (4).

4. The expansion device for the expansion equipment of the large wall thickness compensator as claimed in claim 1, wherein: the cone (6) is a frustum with 6-16 surfaces, and the bottom end of the cone (6) is connected with the connecting pull rod (9) through threads.

5. The expansion device for the expansion equipment of the large wall thickness compensator as claimed in claim 1, wherein: every face of cone (6) promotes a mould chunk outwards to the intermediate position of every face of cone (6) has all been seted up and has been prevented changeing the draw-in groove, and the corresponding position department of draw-in groove all is provided with the boss with preventing changeing on every face of mould chunk, prevents changeing the boss on draw-in groove and the mould chunk and mutually supports.

6. The expansion device for the expansion equipment of the large wall thickness compensator as claimed in claim 3, wherein: the lower end of the connecting pull rod (9) is connected with the oil cylinder, the oil cylinder provides driving force for the cone (6), after the cone (6) is stressed, the mold (3) is pushed to move outwards through the cone (6) during expansion, and the mold (3) is pulled back to the initial position by the reset spring (4) after expansion.