CN210816714U

CN210816714U - Tube blank step-by-step rolling device

Info

Publication number: CN210816714U
Application number: CN201921685971.9U
Authority: CN
Inventors: 潘丽菊; 袁东良
Original assignee: Suzhou Wotai Nonferrous Metal Co ltd
Current assignee: Suzhou Wotai Nonferrous Metal Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-06-23
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a pipe billet step-by-step rolling device, which comprises two connecting plates for placing pipe billets, a briquetting that is used for placing the board of shaping pipe and mutually supports and be used for rolling pipe with placing the board, the opposite side of two connecting plates respectively with the both ends fixed connection who places the board, two both sides of placing the board top are all fixed and are equipped with the connecting rod, the fixed same roof that is equipped with in top of four connecting rods, the bottom middle part rigidity of roof is equipped with second electric putter, the fixed lifter plate that can move about from top to bottom that is equipped with of second electric putter's output shaft, the fixed bottom middle part position of establishing at the lifter plate of briquetting, four edges in bottom of roof all fix and are equipped with first electric putter, the bottom mounting of controlling two first electric putter output shafts is equipped with the buffer gear that can move about, buffer gear's bottom mounting is equipped with the clamp plate that is. The utility model discloses the possibility of the perk that makes progress in pipe both ends has been reduced to the rolling precision of pipe has been improved.

Description

Tube blank step-by-step rolling device

Technical Field

The utility model relates to a rolling device specifically is a pipe blank substep rolling device.

Background

The blank used to produce the steel pipe is called a tube blank. Usually, solid round steel of good quality (or alloy) is used as the tube blank. Some tube production methods also adopt steel ingots, continuous casting billets, forged billets, rolled square billets, centrifugally cast hollow billets and the like as tube-making blanks.

When the pipe blank is rolled in a distributed mode, the existing pipe blank distribution rolling device is used for placing the pipe blank on the top end of the workbench mostly, and then the pressing block is pressed downwards directly, so that the pressing block is matched with the pressing groove, upward force is not generated at two ends of the pipe blank, the possibility that two ends of the pipe blank tilt upwards is possibly caused, and the accuracy of pipe blank rolling is influenced. Therefore, we improve the method and propose a tube blank step rolling device.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a pipe billet step-by-step rolling device, which comprises two connecting plates for placing pipe billets, a placing plate for forming the pipe billets and a pressing block which is matched with the placing plate and used for rolling the pipe billets, wherein the opposite sides of the two connecting plates are respectively and fixedly connected with the two ends of the placing plate, the two sides of the top end of the two placing plates are both fixedly provided with connecting rods, the top ends of the four connecting rods are fixedly provided with a same top plate, a second electric push rod is fixedly arranged in the middle of the bottom end of the top plate, a lifting plate capable of moving up and down is fixedly arranged on an output shaft of the second electric push rod, the fixed bottom middle part position of establishing at the lifter plate of briquetting, four edges in the bottom of roof all fix and are equipped with first electric putter, control two the bottom mounting of first electric putter output shaft is equipped with the buffer gear that can move about from top to bottom, buffer gear's bottom mounting is equipped with the clamp plate that is used for compressing tightly the pipe.

As a preferred technical scheme of the utility model, buffer gear includes buffer tube, buffer spring and telescopic link, buffer spring is located buffer tube's inner chamber, buffer spring's one end and the one end fixed connection of telescopic link, the other end and the clamp plate fixed connection of telescopic link.

As a preferred technical scheme of the utility model, first through-hole, four have all been seted up to four edges of lifter plate the connecting rod respectively with four first through-hole through connection.

As a preferred technical scheme of the utility model, place the board and set to the downward recessed semicircle arcuation, the bottom of briquetting sets to the downward bellied semicircle arcuation that matches with the semicircle arcuation of placing board undercut.

As an optimal technical scheme of the utility model, four second through-holes, four have been seted up on the top of lifter plate the second through-hole all is located four the inboard of first through-hole, four buffer gear respectively with four second through-hole through connection.

As a preferred technical scheme of the utility model, two four edges in bottom of connecting plate all fix and are equipped with four supporting legs, four the bottom of supporting leg is all fixed and is equipped with the slipmat.

The utility model has the advantages that: the tube blank stepped rolling device comprises a buffer mechanism, a pressing plate, a first electric push rod and the like which are matched with each other, a tube blank is placed at the top ends of two connecting plates, an output shaft of the first electric push rod pushes the buffer mechanism to move downwards until the pressing plate at the bottom end of the buffer mechanism presses the tube blank, the buffer mechanism continues to move downwards, a telescopic rod is sleeved with a buffer sleeve under the action of tube blank supporting force, a buffer spring starts to compress the tube blank, an output shaft of a second electric push rod pushes a lifting plate to move downwards after the tube blank is pressed, four corners of the lifting plate respectively slide up and down with four connecting rods, the lifting plate pushes a pressing block to move downwards, the pressing block moves downwards and rolls the tube blank downwards, when the pressing block moves downwards, two ends of the tube blank move towards the center, the top end of the pressing plate slides down, the pressing block continues to move downwards, and two ends of the tube blank can generate upward, under the action of the elastic potential energy of the buffer spring, the pressing plate generates a downward force, so that the possibility that two ends of the tube blank are tilted upwards is reduced, and the rolling precision of the tube blank is improved.

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 a device for rolling pipe billets step by step according to the present invention;

fig. 2 is a side sectional view of the structure of the tube blank step-by-step rolling device of the present invention.

In the figure: 1. supporting legs; 2. a connecting plate; 3. placing the plate; 4. a connecting rod; 5. a top plate; 6. a lifting plate; 7. briquetting; 8. a first electric push rod; 9. a buffer mechanism; 901. a buffer sleeve; 902. a buffer spring; 903. a telescopic rod; 10. pressing a plate; 11. a second electric push rod.

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 figures 1 and 2, the utility model relates to a tube blank step-by-step rolling device, which comprises two connecting plates 2 for placing a tube blank, a placing plate 3 for forming the tube blank and a pressing block 7 which is matched with the placing plate 3 and is used for rolling the tube blank, wherein the opposite sides of the two connecting plates 2 are respectively fixedly connected with the two ends of the placing plate 3, the two sides of the top end of the two placing plates 3 are respectively and fixedly provided with a connecting rod 4, the top ends of the four connecting rods 4 are fixedly provided with a same top plate 5, the middle position of the bottom end of the top plate 5 is fixedly provided with a second electric push rod 11, the output shaft of the second electric push rod 11 is fixedly provided with a lifting plate 6 which can move up and down, the pressing block 7 is fixedly arranged at the middle position of the bottom end of the lifting plate 6, the four corners of the bottom end of the top plate 5 are respectively and fixedly, the bottom end of the buffer mechanism 9 is fixedly provided with a pressing plate 10 for pressing the tube blank, the first electric push rod 8 and the second electric push rod 11 are respectively electrically connected with an external power supply through a first electric push rod switch and a second electric push rod switch which are arranged on the connecting plate 2, and the first electric push rod 8 and the second electric push rod 11 are preferably GRA-D3 type electric push rods.

Wherein, buffer gear 9 includes buffer sleeve 901, buffer spring 902 and telescopic link 903, and buffer spring 902 is located buffer sleeve 901's inner chamber, and buffer spring 902's one end and telescopic link 903's one end fixed connection, telescopic link 903's the other end and clamp plate 10 fixed connection, and buffer gear 9 downstream is promoted by first electric putter 8's output shaft, compresses tightly the base pipe to clamp plate 10 of buffer gear 9 bottom, and buffer spring 902 begins to compress.

Wherein, first through-hole has all been seted up at four edges of lifter plate 6, and four connecting rods 4 respectively with four first through-hole through connection, can strengthen the stability of lifter plate 6 upwards or downstream.

The placing plate 3 is arranged in a downward concave semi-circular arc shape, the bottom end of the pressing block 7 is arranged in a downward convex semi-circular arc shape matched with the downward concave semi-circular arc shape of the placing plate 3, and the tube blank can be rolled into a semi-circular arc shape.

Wherein, four second through-holes have been seted up on the top of lifter plate 6, and four second through-holes all are located the inboard of four first through-holes, and four buffer gear 9 respectively with four second through-hole through connection, when clamp plate 10 upwards or the downstream, the output shaft of first electric putter 8 promotes buffer gear 9 and upwards or the downstream, has improved the stability of clamp plate 10 motion.

Wherein, four edges of bottom of two connecting plates 2 all fix and are equipped with four supporting legs 1, and the bottom of four supporting legs 1 is all fixed and is equipped with the slipmat, and the setting of four supporting legs 1 plays fine supporting role to connecting plate 2, and the setting of slipmat can improve the frictional force of supporting leg 1 and ground.

When the device works, a tube blank is placed at the top ends of the two connecting plates 2, the first electric push rod switch is turned on, the output shaft of the first electric push rod 8 pushes the buffer mechanism 9 to move downwards until the pressing plate 10 at the bottom end of the buffer mechanism 9 presses the tube blank, the buffer mechanism 9 continues to move downwards, under the action of the tube blank supporting force, the telescopic rod 903 is sleeved with the buffer sleeve 901, the buffer spring 902 starts to compress, after the tube blank is pressed, the second electric push rod switch is turned on, the output shaft of the second electric push rod 11 pushes the lifting plate 6 to move downwards, the four corners of the lifting plate 6 respectively slide up and down with the four connecting rods 4, the lifting plate 6 pushes the pressing block 7 to move downwards, the pressing block 7 moves downwards and rolls the tube blank downwards, when the pressing block 7 moves downwards, the two ends of the tube blank move towards the center, the top end of the tube blank slides with the bottom end of the pressing plate, the two ends of the tube blank can generate upward force, and under the action of the elastic potential energy of the buffer spring 902, the pressure plate 10 generates downward force, the forces of the two forces are mutually counteracted, only the two ends of the tube blank slide towards the center, the possibility that the two ends of the tube blank tilt upwards is reduced, and the rolling precision of the tube blank is improved.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 referred to 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

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. A tube blank step-by-step rolling device comprises two connecting plates (2) used for placing tube blanks, a placing plate (3) used for forming the tube blanks and pressing blocks (7) which are matched with the placing plate (3) and used for rolling the tube blanks, and is characterized in that the opposite sides of the two connecting plates (2) are fixedly connected with the two ends of the placing plate (3) respectively, connecting rods (4) are fixedly arranged on the two sides of the top end of the two placing plates (3), a same top plate (5) is fixedly arranged on the top ends of the four connecting rods (4), a second electric push rod (11) is fixedly arranged in the middle of the bottom end of the top plate (5), a lifting plate (6) capable of moving up and down is fixedly arranged on an output shaft of the second electric push rod (11), the pressing blocks (7) are fixedly arranged in the middle of the bottom end of the lifting plate (6), and first electric push rods (8) are fixedly arranged at the four corners, the bottom end of the output shaft of the first electric push rod (8) is fixedly provided with a buffer mechanism (9) which can move up and down, and the bottom end of the buffer mechanism (9) is fixedly provided with a pressing plate (10) used for pressing the tube blank.

2. The device for rolling the pipe blank step by step according to claim 1, wherein the buffer mechanism (9) comprises a buffer sleeve (901), a buffer spring (902) and a telescopic rod (903), the buffer spring (902) is positioned in an inner cavity of the buffer sleeve (901), one end of the buffer spring (902) is fixedly connected with one end of the telescopic rod (903), and the other end of the telescopic rod (903) is fixedly connected with the pressing plate (10).

3. The device for rolling the pipe blank step by step according to claim 1, wherein four corners of the lifting plate (6) are provided with first through holes, and the four connecting rods (4) are respectively connected with the four first through holes in a penetrating manner.

4. A device for step rolling of a tube blank according to claim 1, wherein said holding plate (3) is formed in a downwardly concave semi-circular arc shape, and the bottom end of said pressing block (7) is formed in a downwardly convex semi-circular arc shape matching the downwardly concave semi-circular arc shape of the holding plate (3).

5. The device for rolling the pipe blank step by step as claimed in claim 3, wherein four second through holes are formed at the top end of the lifting plate (6), the four second through holes are all positioned at the inner sides of the four first through holes, and the four buffering mechanisms (9) are respectively connected with the four second through holes in a penetrating manner.

6. The device for rolling the pipe blank step by step as claimed in claim 1, wherein four supporting legs (1) are fixedly arranged at four corners of the bottom end of each of the two connecting plates (2), and anti-skid pads are fixedly arranged at the bottom ends of the four supporting legs (1).