CN214976665U

CN214976665U - Novel centering roller carrier roller for preventing concave surface generated during rolling of large-diameter thin-walled tube

Info

Publication number: CN214976665U
Application number: CN202121414688.XU
Authority: CN
Inventors: 戴钟平; 周姜; 姜日升
Original assignee: Huai'an Zhenda Steel Tube Manufacturing Co ltd
Current assignee: Huai'an Zhenda Steel Tube Manufacturing Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-03
Anticipated expiration: 2031-06-24

Abstract

The utility model relates to a centring roller bearing roller technical field, and disclose a novel centring roller bearing roller for preventing rolling heavy-calibre thin-walled pipe produces concave surface, solved the problem that the heavy-calibre thin-walled pipe can't be prevented to produce concave surface in use of the current centring roller bearing roller, it includes the base, the top of base is symmetrically installed with the locating lever, install the arc layer board between the locating lever, movable connecting plate one is all installed on both sides of the arc layer board, and movable connecting plate one is movably covered on the outside limit of the locating lever, and the arc apron of fitting with the arc layer board is installed between the locating levers and above the arc layer board, movable connecting plate two is all installed on both sides of the arc apron, and movable connecting plate two is movably covered on the outside limit of the locating lever; the utility model discloses, can avoid heavy-calibre thin wall pipe to produce because of the weight of self and jolt from top to bottom along the axial at the in-process that uses, ensured that heavy-calibre thin wall pipe can not take place the concave surface.

Description

Novel centering roller carrier roller for preventing concave surface generated during rolling of large-diameter thin-walled tube

Technical Field

The utility model belongs to the technical field of the centering roller bearing roller, specifically be a prevent that rolling heavy-calibre thin wall pipe from producing the novel bearing roller of centering roller of concave surface.

Background

The thin-wall pipe is made up by using steel ingot or solid pipe blank through the processes of punching, making into blank pipe, hot-rolling, cold-rolling or cold-drawing, and is characterized by that the raw material of said thin-wall pipe is circular pipe blank, and the circular pipe blank is cut by cutting machine to obtain a blank material whose length is about one meter, and said blank material is conveyed into smelting furnace by means of conveying belt to heat it, and the centering roller carrier roller is a component for supporting in thin-wall pipe rolling mill.

The existing centering roller carrier roller cannot achieve the effect of preventing the concave surface generated by rolling the large-caliber thin-walled tube in the using process, and influences the production quality of the large-caliber thin-walled tube, so that the use requirement of people cannot be better met.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a prevent that rolling heavy-calibre thin-walled pipe from producing the novel bearing roller of centering roller of concave surface, the effectual problem of solving current centering roller bearing roller in use can't prevent that heavy-calibre thin-walled pipe from producing the concave surface.

In order to achieve the above object, the utility model provides a following technical scheme: a novel centering roller carrier roller for preventing a large-diameter thin-walled tube from generating a concave surface in rolling comprises a base, positioning rods are symmetrically arranged at the top of the base, an arc-shaped supporting plate is arranged between the positioning rods, a first movable connecting plate is arranged on each of two side edges of the arc-shaped supporting plate, a first movable connecting plate is movably sleeved on the outer side edge of each positioning rod, an arc-shaped cover plate matched with the arc-shaped supporting plate is arranged between the positioning rods and above the arc-shaped supporting plate, a second movable connecting plate is arranged on each of two side edges of the arc-shaped cover plate, a second movable connecting plate is movably sleeved on the outer side edge of each positioning rod, a strip-shaped groove is formed in one side edge, close to each other, of the arc-shaped cover plate and the arc-shaped supporting plate, a plurality of pulleys are arranged inside the strip-shaped groove, a pressing plate is arranged at the bottom of the arc-shaped supporting plate, a groove is formed in the position, corresponding to the pressing plate, an air bag is arranged inside the groove, and a spring is arranged at the bottom of the first movable connecting plate, and the bottom of the spring is fixedly connected with the base, a thread sleeve is installed on one side edge, far away from the arc-shaped supporting plate, of the first movable connecting plate, a threaded rod matched with the thread sleeve is installed inside the thread sleeve in a penetrating mode, a rotating block is installed at the bottom of the threaded rod, a connecting block is installed at the top of the threaded rod, and the connecting block is connected with the second movable connecting plate.

Preferably, a limit stop is fixedly mounted at the top of the positioning rod.

Preferably, the first movable connecting plate and the second movable connecting plate are provided with movable sleeves matched with the positioning rods at the penetrating positions of the positioning rods.

Preferably, the outer side edge of the rotating block is provided with anti-skid insections which are annularly arranged on the outer side edge of the rotating block.

Preferably, the strip-shaped groove on the arc-shaped supporting plate and the strip-shaped groove on the arc-shaped cover plate are five groups, and the number of the pulleys in the strip-shaped grooves is four.

Preferably, the bottom of base is symmetrically installed with the fixed plate, and the last mounting bolt that runs through of fixed plate.

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

1) during operation, the arc-shaped supporting plate, the arc-shaped cover plate and the pulley are arranged, and the pressing block, the air bag and the spring are matched to interact with each other, so that the large-caliber thin-walled tube can be prevented from being bumped up and down along the axial direction due to the self weight in the using process, and the large-caliber thin-walled tube is ensured not to have a concave surface;

2) in operation, through the turning block that sets up and the interact of threaded rod and thread bush and connecting block, cooperation locating lever and swing joint board one and swing joint board two can adjust the distance between arc layer board and the arc apron to can be convenient for make the better laminating of arc layer board and arc apron at the outside limit of heavy-calibre thin wall pipe when using, so that can reach better bearing effect.

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 view of the present invention;

FIG. 2 is a schematic view of a partial top view of the arc-shaped supporting plate of the present invention;

fig. 3 is a schematic view of the structure of the base of the present invention.

In the figure: 1. a base; 2. positioning a rod; 3. an arc-shaped supporting plate; 4. a first movable connecting plate; 5. an arc-shaped cover plate; 6. a second movable connecting plate; 7. a strip-shaped groove; 8. a pulley; 9. pressing a plate; 10. a groove; 11. an air bag; 12. a spring; 13. a threaded sleeve; 14. a threaded rod; 15. rotating the block; 16. connecting blocks; 17. a limit stop block; 18. a movable sleeve; 19. a fixing plate; 20. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1, fig. 2 and fig. 3, the utility model comprises a base 1, positioning rods 2 are symmetrically installed on the top of the base 1, arc-shaped supporting plates 3 are installed between the positioning rods 2, movable connecting plates one 4 are installed on both sides of the arc-shaped supporting plates 3, and the movable connecting plates one 4 are movably sleeved on the outer side edges of the positioning rods 2, an arc-shaped cover plate 5 matched with the arc-shaped supporting plates 3 is installed between the positioning rods 2 and above the arc-shaped supporting plates 3, movable connecting plates two 6 are installed on both sides of the arc-shaped cover plate 5, and the movable connecting plates two 6 are movably sleeved on the outer side edges of the positioning rods 2, a strip-shaped groove 7 is formed on one side edge of the arc-shaped cover plate 5 and the arc-shaped supporting plates 3, a plurality of pulleys 8 are installed inside the strip-shaped groove 7, a pressing plate 9 is installed at the bottom of the arc-shaped supporting plates 3, and a groove 10 is formed at the top of the base 1 corresponding to the pressing plate 9, an air bag 11 is arranged inside the groove 10, a spring 12 is arranged at the bottom of the first movable connecting plate 4, the bottom of the spring 12 is fixedly connected with the base 1, the large-diameter thin-walled tube can be prevented from axially bumping up and down due to the self weight through the arranged arc supporting plate 3, the arc cover plate 5 and the pulley 8 and the interaction of the pressing block, the air bag 11 and the spring 12, the large-diameter thin-walled tube is ensured not to be concave, a thread sleeve 13 is arranged on one side edge of the first movable connecting plate 4 away from the arc supporting plate 3, a threaded rod 14 matched with the thread sleeve 13 is arranged inside the thread sleeve 13 in a penetrating mode, a rotating block 15 is arranged at the bottom of the threaded rod 14, a connecting block 16 is arranged at the top of the threaded rod 14, the connecting block 16 is connected with the second movable connecting plate 6, and through the interaction of the rotating block 15, the threaded rod 14 and the thread sleeve 13 with the connecting block 16, the distance between arc layer board 3 and arc apron 5 can be adjusted to cooperation locating lever 2 and swing joint board 4 and swing joint board two 6 to can be convenient for make the better laminating of arc layer board 3 and arc apron 5 in the outside limit of heavy-calibre thin walled tube when using, so that can reach better bearing effect.

Second, on the basis of first embodiment, the top fixed mounting of locating lever 2 has limit stop 17, can reach better spacing effect, has ensured the stability of structure.

Third embodiment, on the basis of first embodiment, the movable sleeve 18 that all installs and 2 looks adaptations of locating lever is located in the department that runs through of locating lever 2 on swing joint board one 4 and the swing joint board two 6, can make swing joint board one 4 and the swing joint board two 6 homoenergetic reach better mobility to can be better satisfy people's user demand.

Fourth embodiment, on the basis of first embodiment, the outside limit of turning block 15 has seted up anti-skidding insection, and this anti-skidding insection ring locates the outside limit of turning block 15, makes things convenient for people to rotate turning block 15 when using, has improved the efficiency of operation.

Embodiment five, on the basis of embodiment one, the bar groove 7 on the arc layer board 3 and the bar groove 7 on the arc apron 5 are five groups, and the inside pulley 8 in bar groove 7 is four, can reach better active nature at the in-process of bearing, be convenient for can be better satisfy people's user demand.

Sixth embodiment, on the basis of first embodiment, fixed plate 19 is installed to the bottom symmetry of base 1, and runs through on the fixed plate 19 and install fixing bolt 20, can fix whole bearing roller when using to be convenient for can be better satisfy people's user demand.

The working principle is as follows: during operation, firstly, the large-caliber thin-walled tube is placed at the top of the arc-shaped supporting plate 3, then the rotating block 15 is rotated to drive the threaded rod 14 to rotate, under the action of the threaded sleeve 13, the distance between the arc-shaped cover plate 5 and the arc-shaped supporting plate 3 is adjusted, so that the arc-shaped cover plate 5 and the arc-shaped supporting plate 3 are both contacted with the outer side edge of the large-caliber thin-walled tube, then in the using process, the large-caliber thin-walled tube can be better moved through the interaction of the strip-shaped groove 7 and the pulley 8, through the interaction of the pressing block, the air bag 11 and the spring 12, the large-caliber thin-walled tube can be prevented from axially bumping up and down due to the self weight, the large-caliber thin-walled tube can not be sunken, and the production quality of the large-caliber thin-walled tube is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent that rolling heavy-calibre thin wall pipe from producing novel bearing roller of centering roller of concave surface, includes base (1), its characterized in that: positioning rods (2) are symmetrically installed at the top of the base (1), arc-shaped supporting plates (3) are installed between the positioning rods (2), movable connecting plates I (4) are installed on two side edges of the arc-shaped supporting plates (3), the movable connecting plates I (4) are movably sleeved on the outer side edges of the positioning rods (2), arc-shaped cover plates (5) matched with the arc-shaped supporting plates (3) are installed between the positioning rods (2) and above the arc-shaped supporting plates (3), movable connecting plates II (6) are installed on two side edges of the arc-shaped cover plates (5), the movable connecting plates II (6) are movably sleeved on the outer side edges of the positioning rods (2), strip-shaped grooves (7) are formed in one side edge of the arc-shaped cover plates (5) close to the arc-shaped supporting plates (3), a plurality of pulleys (8) are installed inside the strip-shaped grooves (7), and pressing plates (9) are installed at the bottoms of the arc-shaped supporting plates (3), the top of base (1) is seted up fluted (10) with the corresponding position of clamp plate (9), the internally mounted of recess (10) has gasbag (11), spring (12) are installed to the bottom of swing joint board (4), and the bottom and base (1) fixed connection of spring (12), side that arc layer board (3) were kept away from in swing joint board (4) is installed thread bush (13), threaded rod (14) with thread bush (13) looks adaptation are installed to the inside through-mounting of thread bush (13), turning block (15) are installed to the bottom of threaded rod (14), connecting block (16) are installed at the top of threaded rod (14), and connecting block (16) are connected with swing joint board two (6).

2. The novel centering roller for preventing the concave surface generated during the rolling of the large-caliber thin-walled tube according to claim 1, is characterized in that: and a limit stop (17) is fixedly arranged at the top of the positioning rod (2).

3. The novel centering roller for preventing the concave surface generated during the rolling of the large-caliber thin-walled tube according to claim 1, is characterized in that: and the penetrating parts of the first movable connecting plate (4) and the second movable connecting plate (6) and the positioning rod (2) are provided with movable sleeves (18) matched with the positioning rod (2).

4. The novel centering roller for preventing the concave surface generated during the rolling of the large-caliber thin-walled tube according to claim 1, is characterized in that: the anti-skidding insection is arranged on the outer side edge of the rotating block (15), and the anti-skidding insection is annularly arranged on the outer side edge of the rotating block (15).

5. The novel centering roller for preventing the concave surface generated during the rolling of the large-caliber thin-walled tube according to claim 1, is characterized in that: the arc-shaped supporting plate is characterized in that the strip-shaped grooves (7) in the arc-shaped supporting plate (3) and the strip-shaped grooves (7) in the arc-shaped cover plate (5) are five groups, and the number of the pulleys (8) in the strip-shaped grooves (7) is four.

6. The novel centering roller for preventing the concave surface generated during the rolling of the large-caliber thin-walled tube according to claim 1, is characterized in that: the bottom symmetry of base (1) is installed fixed plate (19), and runs through on fixed plate (19) and install fixing bolt (20).