CN217550766U

CN217550766U - Hollow steel three-roller rolling device for heavy drill rod

Info

Publication number: CN217550766U
Application number: CN202221156266.1U
Authority: CN
Inventors: 马元鹏
Original assignee: Shandong Pengrui Zaoyan Technology Co ltd
Current assignee: Shandong Pengrui Zaoyan Technology Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-10-11
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a heavy bore rod is with cavity steel three-roller rolling device, this three-roller rolling device aim at solving prior art's three-roller rolling device and lack the direction pay-off structure usually, are difficult to with the cavity steel rapid stabilization send to between two rolls, and the position of direction pay-off structure is difficult to the technical problem of quick travel adjustment. The three-roller rolling device comprises a bearing table, and a pushing block and a movable block which are movably arranged above the bearing table; the upper end fixed mounting of plummer has first supporting shoe, second supporting shoe and gear box, rotate between first supporting shoe and the second supporting shoe and install evenly distributed's roll. The three-roller rolling device places the hollow steel between the first turntables and the second turntables, so that the front end face and the rear end face of the hollow steel are attached to the outer walls of the two turntables, the two turntables are driven to rotate, the guide feeding of the hollow steel can be realized, and the hollow steel is stably conveyed between the two rollers.

Description

Hollow steel three-roller rolling device for heavy drill rod

Technical Field

The utility model belongs to rolling device field, concretely relates to heavy hollow steel three-roller rolling device for drill rod.

Background

The three-roller rolling mill is a rolling mill which is most commonly used for rolling multiple times, hollow steel for heavy drill rods is usually rolled by a three-roller rolling device, but the conventional three-roller rolling device is usually lack of a guide feeding structure, the hollow steel is difficult to be quickly and stably fed between two rollers, and the position of the guide feeding structure is difficult to be quickly moved and adjusted, so that the improvement is needed.

At present, the utility model patent that patent number is CN201921128512.0 discloses a three-roller rolling device of F shaped steel, and the device includes: an upper horizontal roller, a lower horizontal roller and a vertical roller; the upper horizontal roller and the lower horizontal roller are arranged vertically and oppositely, and the vertical roller is positioned on the same side of the upper horizontal roller and the lower horizontal roller; the three cooperate jointly to form an F shape space, the device adopts the leg outside to one side of vertical roll processing F shaped steel, replace the prior art in the horizontal roll processing F shaped steel leg outside to one side, the stress state in the leg outside course of working has been optimized, the relative speed in roll and the F shaped steel leg outside has been reduced, can show to alleviate surface defects such as roll rub mark, the frizing is impressed, improve the yield, reduce rolling cost, but present three-roller rolling device lacks direction pay-off structure usually, be difficult to with the cavity steel fast and stable send to between two rolls, the position of direction pay-off structure is difficult to the fast moving regulation.

Therefore, in order to solve the problems that the conventional three-roller rolling device usually lacks a guiding feeding structure, is difficult to rapidly and stably feed the hollow steel between the two rollers, and the position of the guiding feeding structure is difficult to be rapidly moved and adjusted, it is necessary to provide a three-roller rolling device with a guiding feeding structure, which can rapidly and stably feed the hollow steel between the two rollers, and the position of the guiding feeding structure can be rapidly moved and adjusted.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

To prior art not enough, the utility model aims to provide a heavy cavity steel three-roller rolling device for drill rod, this three-roller rolling device aim at solving current three-roller rolling device and lack direction pay-off structure usually, are difficult to with between two rolls of delivering to of cavity steel rapid stabilization, and the position of direction pay-off structure is difficult to the technical problem of quick travel adjustment.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a hollow steel three-roller rolling device for heavy drill rods, which comprises a bearing platform, a push block and a movable block, wherein the push block and the movable block are movably arranged above the bearing platform; the utility model discloses a bearing table, including bearing block, first cell body, the upper end of bearing block, the rear end of telescopic link, the front end of telescopic link, the upper end of bearing block, the bearing block is connected with the front end of ejector pad, the upper end activity of bearing block is provided with the bearing block, the front end fixed mounting of bearing block has the first pneumatic cylinder of symmetry, the rear end of telescopic link of first pneumatic cylinder runs through the front end of bearing block and is connected with the front end of ejector pad, the activity of movable block sets up in the upper end of bearing block, the upper end fixed mounting of bearing block has the stopper of symmetry, the first cell body that sets up evenly distributed is run through at both ends around the movable block, the upper and lower both ends inner wall of first cell body rotates and installs first carousel, both ends run through the fourth cell body that sets up evenly distributed around the ejector pad, the upper and lower both ends inner wall of fourth cell body rotates and installs the second carousel, the front end fixed mounting of bearing block has symmetrical servo motor, servo motor's output shaft rear end runs through the bearing block front end fixed connection lead screw body.

When the three-roller rolling device adopting the technical scheme is used, the position of the push block can be quickly adjusted by opening the first hydraulic cylinder, the hollow steel is placed between the first turntables and the second turntables, the front end face and the rear end face of the hollow steel are attached to the outer walls of the two turntables, the two turntables are driven to rotate, and therefore guiding feeding of the hollow steel can be achieved, and the hollow steel can be stably conveyed between the two rollers.

Preferably, the upper end fixed mounting of movable block has evenly distributed's first motor, the upper end that the output shaft lower extreme of first motor runs through the movable block is connected with the upper end of first carousel. The first motor is turned on to rotate the first turntable.

Preferably, the upper end of the push block is fixedly provided with uniformly distributed second motors, and the lower ends of the output shafts of the second motors penetrate through the upper end of the push block and are connected with the upper end of the second turntable. The second motor is started to enable the second rotary table to rotate, and the two rotary tables which can be used by the two motors are matched to convey the hollow steel.

Preferably, both ends run through the first spacing groove of seting up the symmetry around the movable block, the inner wall in first spacing groove is laminated with the outer wall of stopper mutually, both ends run through the second spacing groove of seting up the symmetry around the ejector pad, the inner wall in second spacing groove is laminated with the outer wall of stopper mutually. When the movable block and the push block move in the horizontal direction, the first limiting groove and the second limiting groove both move along the outer wall of the limiting block, so that the movable block and the push block can stably move.

Preferably, both ends run through around the movable block and have seted up the second cell body, the inner wall fixed mounting of second cell body has the fixed block, the inner wall fixed mounting of fixed block has screw-nut, screw-nut and lead screw body looks adaptation. The screw rod body can drive the screw rod nut to move on the outer wall of the screw rod body when rotating, so that the movable block can stably move in the horizontal direction.

Preferably, both ends run through the third cell body of seting up the symmetry around the ejector pad, the activity of lead screw body sets up in the inside of third cell body, the rear end and the rear end inner wall run through formula fixed mounting of carrier block have the bearing, the inner wall of bearing is laminated with the rear end outer wall of lead screw body mutually. The setting of bearing does benefit to the steady rotation of lead screw body.

Preferably, the outer wall of the rear end of each roller is fixedly provided with three transmission gears, one transmission gear is meshed with the other two transmission gears, the rear end of the gear box is fixedly provided with a driving motor, and the front end of an output shaft of the driving motor penetrates through the rear end of the gear box and is connected with the rear end of one roller. The driving motor is started to enable the middle roller to rotate, and the other two rollers rotate under the action of the transmission gear to roll the hollow steel.

Preferably, the inner wall of the lower end of the bearing platform is fixedly provided with second hydraulic cylinders which are uniformly distributed, and the upper ends of the telescopic rods of the second hydraulic cylinders penetrate through the bearing platform and are connected with the lower end of the bearing block. And the second hydraulic cylinder is started to enable the bearing block to move upwards, so that the height of the hollow steel placed above the bearing block can be quickly adjusted.

(3) Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a but position of first pneumatic cylinder quick adjustment ejector pad is opened to three-roller rolling device, place the cavity steel between a plurality of first carousels and second carousel, make the outer wall of both ends face and two carousels laminate mutually around the cavity steel, drive two carousels and rotate, can realize the direction pay-off to the cavity steel, make the stable transport of cavity steel to between two rolls, open the position of the usable lead screw principle quick adjustment movable block of servo motor, it can highly carry out the quick adjustment to placing the cavity steel in the carrier block top to open the second pneumatic cylinder messenger carrier piece rebound, but the ability of direction pay-off structure's position quick travel adjustment has been realized.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a specific embodiment of the three-roller rolling device of the present invention;

FIG. 2 is a schematic view of a partially enlarged structure of a movable block of the embodiment of the three-roll rolling device of the present invention;

fig. 3 is a schematic view of a partially enlarged structure of a push block of the embodiment of the three-roller rolling device of the present invention;

fig. 4 is a sectional view of the gear box of the three-roller rolling device according to the embodiment of the present invention;

fig. 5 is a cross-sectional view of the three-roller rolling device according to the embodiment of the present invention.

The labels in the figures are: 1. a bearing table; 2. a first support block; 3. a second support block; 4. rolling; 5. a gear case; 6. a drive motor; 7. a bearing block; 8. a first hydraulic cylinder; 9. a push block; 10. a movable block; 11. a servo motor; 12. a bearing; 13. a screw rod body; 14. a limiting block; 15. a first tank body; 16. a first turntable; 17. a first motor; 18. a first limit groove; 19. a second tank body; 20. a fixed block; 21. a feed screw nut; 22. a third tank body; 23. a second limit groove; 24. a fourth tank body; 25. a second turntable; 26. a second motor; 27. a transmission gear; 28. and a second hydraulic cylinder.

Detailed Description

The specific embodiment is a hollow steel three-roller rolling device for heavy-duty drill rods, the three-dimensional structure schematic diagram of which is shown in fig. 1, and the partial enlarged structure schematic diagram of a movable block 10 of which is shown in fig. 2, wherein the three-roller rolling device comprises a bearing platform 1, and a push block 9 and a movable block 10 which are movably arranged above the bearing platform 1; a first supporting block 2, a second supporting block 3 and a gear box 5 are fixedly arranged at the upper end of the bearing table 1, uniformly distributed rollers 4 are rotatably arranged between the first supporting block 2 and the second supporting block 3, a bearing block 7 is movably arranged at the upper end of the bearing table 1, symmetrical first hydraulic cylinders 8 are fixedly arranged at the front ends of the bearing blocks 7, the rear ends of telescopic rods of the first hydraulic cylinders 8 penetrate through the front ends of the bearing blocks 7 to be connected with the front ends of the push blocks 9, a movable block 10 is movably arranged at the upper end of the bearing block 7, symmetrical limit blocks 14 are fixedly arranged at the upper end of the bearing block 7, uniformly distributed first groove bodies 15 are arranged at the front ends and the rear ends of the movable block 10 in a penetrating manner, first rotating discs 16 are rotatably arranged on the inner walls at the upper end and the lower end of the first groove bodies 15, and uniformly distributed fourth groove bodies 24 are arranged at the front ends and the rear ends of the push blocks 9 in a penetrating manner, the inner walls of the upper end and the lower end of the fourth trough body 24 are rotatably provided with a second rotating disc 25, the front ends of the bearing blocks 7 are fixedly provided with symmetrical servo motors 11, the rear ends of output shafts of the servo motors 11 penetrate through the front ends of the bearing blocks 7 and are fixedly connected with a lead screw body 13, the outer walls of the rear ends of the rollers 4 are fixedly provided with transmission gears 27, the rollers 4 are divided into three, one transmission gear 27 is meshed with the other two transmission gears 27, the rear end of the gear box 5 is fixedly provided with a driving motor 6, the front end of the output shaft of the driving motor 6 penetrates through the rear end of the gear box 5 and is connected with the rear end of one roller 4, the inner wall of the lower end of the bearing table 1 is fixedly provided with uniformly distributed second hydraulic cylinders 28, and the upper ends of telescopic rods of the second hydraulic cylinders 28 penetrate through the bearing table 1 and are connected with the lower end of the bearing blocks 7.

In order to realize the stable movement of the hollow steel, the upper end of the movable block 10 is fixedly provided with first motors 17 which are uniformly distributed, the lower end of an output shaft of each first motor 17 penetrates through the upper end of the movable block 10 to be connected with the upper end of the corresponding first rotating disc 16, the upper end of the push block 9 is fixedly provided with second motors 26 which are uniformly distributed, and the lower end of an output shaft of each second motor 26 penetrates through the upper end of the push block 9 to be connected with the upper end of the corresponding second rotating disc 25. The first rotating disk 16 can be rotated by turning on the first motor 17, and the second rotating disk 25 can be rotated by turning on the second motor 26, so that stable moving conveyance of the hollow steel can be realized.

In order to realize the stable movement of the movable block 10 and the push block 9, the front end and the rear end of the movable block 10 are penetrated by first limiting grooves 18 which are symmetrical, the inner wall of each first limiting groove 18 is attached to the outer wall of the corresponding limiting block 14, the front end and the rear end of the push block 9 are penetrated by second limiting grooves 23 which are symmetrical, and the inner walls of the second limiting grooves 23 are attached to the outer walls of the corresponding limiting blocks 14. When the movable block 10 moves in the horizontal direction, the first limiting groove 18 moves along the outer wall of the limiting block 14, and when the push block 9 moves in the horizontal direction, the second limiting groove 23 moves along the outer wall of the limiting block 14, so that the stable movement of the movable block 10 and the push block 9 can be realized.

In order to realize the steady removal of movable block 10, second cell body 19 has been seted up in both ends running through around the movable block 10, the inner wall fixed mounting of second cell body 19 has fixed block 20, the inner wall fixed mounting of fixed block 20 has screw-nut 21, screw-nut 21 and lead screw body 13 looks adaptation, both ends run through the third cell body 22 of seting up the symmetry around the ejector pad 9, lead screw body 13 activity sets up in the inside of third cell body 22, the rear end of carrier block 7 and rear end inner wall run through formula fixed mounting have bearing 12, the inner wall of bearing 12 is laminated with the rear end outer wall of lead screw body 13 mutually. The stable movement of the movable block 10 can be realized by using the screw principle.

A schematic diagram of a partially enlarged structure of the pushing block 9 of the three-roller rolling device is shown in fig. 3, a sectional view of the gear box 5 is shown in fig. 4, and a sectional view of the carrier table 1 is shown in fig. 5.

When the three-roller rolling device adopting the technical scheme is used, the position of the push block 9 can be quickly adjusted by opening the first hydraulic cylinder 8, the servo motor 11 is started to enable the screw rod body 13 to rotate, the movable block 10 can be driven by the screw rod principle to move in the horizontal direction, the hollow steel is placed between the first turntables 16 and the second turntables 25, the front end face and the rear end face of the hollow steel are attached to the outer walls of the two turntables, the two turntables are driven to rotate, guiding feeding of the hollow steel can be achieved, the hollow steel is stably conveyed between the two rollers 4, the bearing block 7 can be quickly adjusted by opening the second hydraulic cylinder 28 to enable the bearing block 7 to move upwards, and the position of the guiding feeding structure can be quickly adjusted.

Claims

1. The three-roller rolling device comprises a bearing table (1), and a push block (9) and a movable block (10) which are movably arranged above the bearing table (1); it is characterized in that the upper end of the bearing table (1) is fixedly provided with a first supporting block (2), a second supporting block (3) and a gear box (5), evenly distributed rollers (4) are rotatably arranged between the first supporting block (2) and the second supporting block (3), the upper end of the bearing table (1) is movably provided with a bearing block (7), the front end of the bearing block (7) is fixedly provided with symmetrical first hydraulic cylinders (8), the rear end of the telescopic rod of the first hydraulic cylinder (8) penetrates through the front end of the bearing block (7) and is connected with the front end of the push block (9), the movable block (10) is movably arranged at the upper end of the bearing block (7), the upper end of the bearing block (7) is fixedly provided with symmetrical limiting blocks (14), the front end and the rear end of the movable block (10) are provided with first groove bodies (15) which are uniformly distributed in a penetrating way, the inner walls of the upper end and the lower end of the first groove body (15) are rotatably provided with a first rotating disc (16), the front end and the rear end of the push block (9) are provided with fourth groove bodies (24) which are uniformly distributed in a penetrating way, the inner walls of the upper end and the lower end of the fourth groove body (24) are rotatably provided with a second rotating disc (25), symmetrical servo motors (11) are fixedly arranged at the front ends of the bearing blocks (7), the rear end of an output shaft of the servo motor (11) penetrates through the front end of the bearing block (7) and is fixedly connected with a screw rod body (13).

2. The hollow steel three-roller rolling device for the heavy-duty drill rod is characterized in that first motors (17) which are uniformly distributed are fixedly arranged at the upper ends of the movable blocks (10), and the lower ends of output shafts of the first motors (17) penetrate through the upper ends of the movable blocks (10) and are connected with the upper ends of the first rotating discs (16).

3. The hollow steel three-roll rolling device for the heavy-duty drill rod according to claim 1, characterized in that the second motors (26) are uniformly distributed and fixedly installed at the upper ends of the push blocks (9), and the lower ends of the output shafts of the second motors (26) penetrate through the upper ends of the push blocks (9) and are connected with the upper ends of the second rotating discs (25).

4. The hollow steel three-roller rolling device for the heavy-duty drill rod according to claim 1, characterized in that symmetrical first limiting grooves (18) are formed through the front end and the rear end of the movable block (10), the inner walls of the first limiting grooves (18) are attached to the outer walls of the limiting blocks (14), symmetrical second limiting grooves (23) are formed through the front end and the rear end of the push block (9), and the inner walls of the second limiting grooves (23) are attached to the outer walls of the limiting blocks (14).

5. The hollow steel three-roller rolling device for the heavy drill rod as recited in claim 1, wherein second grooves (19) are formed in the front end and the rear end of the movable block (10) in a penetrating manner, fixed blocks (20) are fixedly mounted on the inner walls of the second grooves (19), lead screw nuts (21) are fixedly mounted on the inner walls of the fixed blocks (20), and the lead screw nuts (21) are matched with the lead screw body (13).

6. The hollow steel three-roller rolling device for the heavy-duty drill rod according to claim 1, characterized in that symmetrical third grooves (22) are formed in the front end and the rear end of the push block (9) in a penetrating manner, the screw rod body (13) is movably arranged in the third grooves (22), bearings (12) are fixedly arranged on the rear ends of the bearing blocks (7) in a penetrating manner and the inner walls of the rear ends of the bearing blocks (7) in a penetrating manner, and the inner walls of the bearings (12) are attached to the outer walls of the rear ends of the screw rod body (13).

7. The hollow steel three-roller rolling device for the heavy-duty drill rod according to claim 1, characterized in that the outer wall of the rear end of each roller (4) is fixedly provided with three transmission gears (27), one transmission gear (27) is meshed with the other two transmission gears (27), the rear end of the gear box (5) is fixedly provided with a driving motor (6), and the front end of the output shaft of the driving motor (6) penetrates through the rear end of the gear box (5) to be connected with the rear end of one roller (4).

8. The hollow steel three-roller rolling device for the heavy-duty drill rod is characterized in that second hydraulic cylinders (28) which are uniformly distributed are fixedly arranged on the inner wall of the lower end of the bearing platform (1), and the upper ends of telescopic rods of the second hydraulic cylinders (28) penetrate through the bearing platform (1) and are connected with the lower end of the bearing block (7).