CN213944325U - Quick turning device of sizing frame - Google Patents

Abstract

The application relates to a quick turning device of sizing frame, it includes the frame, it is connected with the roll-over stand to rotate on the frame, be provided with on the roll-over stand and be used for spacing the stop gear on the roll-over stand with the sizing frame, be provided with on the frame and be used for driving roll-over stand pivoted driving piece. The sizing machine frame has the effect of reducing collision between the sizing machine frame and the ground.

Description

Quick turning device of sizing frame

Technical Field

The application relates to the field of metal pipe processing machinery, in particular to a quick turnover device of a sizing rack.

Background

The sizing mill is used for obtaining the external dimension with higher precision by reheating a steel pipe rolled by a pilger rolling mill by a stepping furnace and then carrying out sizing rolling. A sizing roller of a sizing mill is a main sizing tool and is supported and rotated by a bearing in a sizing roller box, and the correct position of the sizing roller in a rack is ensured.

The sizing mill frame is 60-80 tons in weight, belongs to a heavy frame, and is required to be overturned to disassemble and assemble the sizing mill when a sizing roller on the sizing mill is disassembled and assembled. For a long time, the steel pipe industry generally adopts traveling cranes for rollover.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the sizing rack is overturned by adopting the travelling crane, the sizing rack is easy to collide with the ground, and the damage to the sizing rack is large.

SUMMERY OF THE UTILITY MODEL

In order to reduce the collision of sizing frame and ground, the application provides a quick turning device of sizing frame.

The application provides a quick turning device of sizing frame adopts following technical scheme:

the utility model provides a quick turning device of sizing frame, includes the frame, it is connected with the roll-over stand to rotate on the frame, be provided with on the roll-over stand and be used for spacing the stop gear on the roll-over stand of sizing frame, be provided with on the frame and be used for driving roll-over stand pivoted driving piece.

By adopting the technical scheme, when the sizing roller on the sizing mill needs to be disassembled and replaced, the driving piece drives the roll-over stand to rotate, the roll-over stand is rotated to a horizontal position, and then the sizing roller on the sizing mill is disassembled and replaced; after the replacement is finished, the driving piece drives the roll-over stand to rotate to a vertical state, so that the sizing mill is vertical, the production of the steel pipe is continued, the collision between the sizing stand and the ground is reduced, and the damage to the sizing stand is reduced; the sizing machine frame can be quickly horizontally and vertically placed, and the working efficiency is improved.

Optionally, the driving member comprises a plurality of driving hydraulic cylinders; the upper end of the driving hydraulic cylinder is rotatably connected to the roll-over stand, and the other end of the driving hydraulic cylinder is rotatably connected to the base.

Through adopting above-mentioned technical scheme, drive the roll-over stand through drive pneumatic cylinder and rotate, simple structure through the control to drive pneumatic cylinder extension, controls the rotation volume of roll-over stand, makes things convenient for operating personnel to the control of roll-over stand.

Optionally, the limiting mechanism comprises two limiting plates, the two limiting plates are arranged on the roll-over stand, and a space for the sizing rack to be placed is formed between the two limiting plates.

Through adopting above-mentioned technical scheme, through placing the sizing frame between two limiting plates, when the roll-over stand rotates is driven slowly to the driving piece, realize spacing the sizing frame on the roll-over stand simple structure.

Optionally, the limiting mechanism further comprises a limiting stop lever, the limiting stop lever is rotatably connected to the limiting plate, and the limiting plate and the limiting stop lever form a space for the sizing rack to be placed.

When the sizing frame is rotated to the vertical state, the driving piece stops acting suddenly, and the sizing frame can be separated from the two limiting plates under the action of inertia.

Through adopting above-mentioned technical scheme, rotate the spacing pin to one side that the roll-over stand deviates from the sizing frame during the use, reduced when the sizing frame rotates to vertical state, the condition that the sizing frame breaks away from between two limiting plates takes place.

Optionally, one of them the limiting plate slides along sizing frame length direction and connects on the roll-over stand, be provided with adjustment mechanism on the roll-over stand, adjustment mechanism includes accommodate the lead screw and drive handle, accommodate the lead screw length direction is parallel with the length direction of sizing frame, accommodate the lead screw rotates and connects on the roll-over stand, accommodate the lead screw with slide the limiting plate threaded connection of connection on the roll-over stand.

Through adopting above-mentioned technical scheme, the accessible rotates the drive handle during the use, adjusts the distance between two limiting plates to the not sizing frame of co-altitude of adaptation has improved stop gear's application scope.

Optionally, the ground is provided with a mounting groove for mounting the base, and the base is arranged at the bottom of the mounting groove.

Because the frame and the sizing frame after keeping flat are higher, the sizing roller on the sizing frame is inconvenient for an operator to disassemble and replace.

By adopting the technical scheme, the base is placed in the mounting groove, the height of the sizing rack is reduced, and the sizing roller on the sizing rack can be conveniently detached by an operator.

Optionally, the base is provided with a plurality of support rods for supporting the roll-over stand.

Through adopting above-mentioned technical scheme, when the roll-over stand was located horizontal position, the bracing piece supported the roll-over stand, had reduced the harm of roll-over stand to the driving piece.

Optionally, a buffer mechanism is arranged on the support rod, the buffer mechanism includes a buffer spring and a contact block, a buffer slot is formed in the support rod, the contact block is connected in the buffer slot in a sliding manner, and the buffer spring is located between the contact block and the bottom of the buffer slot; the upper end of the buffer spring is arranged on the contact block, and the lower end of the buffer spring is arranged at the bottom of the buffer groove.

Through adopting above-mentioned technical scheme, when the driving piece rotated the roll-over stand to horizontal position, the roll-over stand was inconsistent with the conflict piece, and the conflict piece moves down buffer spring and cushions the impact between roll-over stand and the conflict piece, has reduced the damage of conflict piece and roll-over stand.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the base, the roll-over stand and the limiting mechanism, the sizing frame is erected and laid horizontally, rapid roll-over is realized, and the collision between the sizing frame and the ground is reduced;

2. the distance between the two limiting plates is adjusted by rotating the adjusting screw rod, and the limiting of sizing racks with different heights is realized;

3. the damage to the driving piece, the turnover frame and the contact block is reduced through the supporting rod and the buffer mechanism.

Drawings

Fig. 1 is a schematic structural diagram of a specific embodiment of the present application.

Fig. 2 is a schematic structural diagram of an embodiment of the present application, which is used for illustrating the connection relationship among the driving member, the roll-over stand and the base.

Fig. 3 is a cross-sectional view taken in the direction of a-a in fig. 2 of the present application.

Fig. 4 is an enlarged view at B in fig. 3 of the present application.

Reference numerals: 1. a machine base; 11. a base plate; 12. a support plate; 13. mounting grooves; 14. a rotating shaft; 15. driving the hydraulic cylinder; 16. rotating the base; 2. a support bar; 21. a buffer tank; 22. a buffer mechanism; 221. a buffer spring; 222. a contact block; 3. a limiting mechanism; 31. a first limit plate; 32. a second limiting plate; 33. a limit stop lever; 34. a reinforcing plate; 4. a roll-over stand; 41. a sliding groove; 42. an adjustment mechanism; 421. adjusting the screw rod; 422. a drive handle; 43. rotating the shaft bolt; 5. and (4) a sizing frame.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses quick turning device of sizing frame. Referring to fig. 1 and 2, a quick turning device of sizing frame includes frame 1, frame 1 includes bottom plate 11 and two backup pads 12, mounting groove 13 has been seted up on the ground, 11 fixed connection at the tank bottom of mounting groove 13 of bottom plate, the equal vertical fixed connection of two backup pads 12 is at 11 upper surfaces of bottom plate, be provided with axis of rotation 14 between two backup pads 12, fixed connection is on two backup pads 12 respectively at the both ends of axis of rotation 14, 4 covers of roll-over stand establish on axis of rotation 14, set up the waist type hole that supplies the steel pipe to pass on the roll-over stand 4, be provided with three driving piece between roll-over stand 4 and the bottom plate 11, be provided with stop gear 3 on the roll-over stand 4.

Referring to fig. 1 and 2, the driving member includes a driving hydraulic cylinder 15, three rotating bases 16 fixedly connected to the bottom plate 11, the three rotating bases 16 are distributed along the width direction of the mounting groove 13, the cylinder body of the driving hydraulic cylinder 15 is rotatably connected to the rotating bases 16, the piston rod of the driving hydraulic cylinder 15 is rotatably connected to the roll-over stand 4, and one end of the piston rod of the driving hydraulic cylinder 15, which is far away from the bottom plate 11, is located on one side of the rotating shaft 14, which deviates from the rotating bases 16.

Referring to fig. 3 and 4, all be provided with bracing piece 2 between per two adjacent rotating base 16, 2 bottom surface fixed connection of bracing piece are on bottom plate 11, bracing piece 2 is located one side that rotating base 16 deviates from axis of rotation 14, buffer slot 21 has been seted up to bracing piece 2 upper surface, be provided with buffer gear 22 on the bracing piece 2, buffer gear 22 includes buffer spring 221 and conflict piece 222, conflict piece 222 slides and connects in buffer slot 21, buffer spring 221 is located between the tank bottom of conflict piece 222 and buffer slot 21, buffer spring 221 upper end fixed connection is in the bottom surface of conflict piece 222, lower extreme fixed connection is at the tank bottom of buffer slot 21.

Referring to fig. 1 and 2, the limiting mechanism 3 includes two limiting plates and a limiting stop lever 33, the two limiting plates are a first limiting plate 31 and a second limiting plate 32, the first limiting plate 31 and the second limiting plate 32 are both disposed on the upper surface of the roll-over stand 4, the first limiting plate 31 and the second limiting plate 32 are both parallel to the width direction of the mounting groove 13, and the first limiting plate 31 and the second limiting plate 32 are distributed along the length direction of the mounting groove 13.

Referring to fig. 2 and 3, first limiting plate 31 fixed connection is on roll-over stand 4 upper surface, and a plurality of reinforcing plates 34 that distribute along first limiting plate 31 length direction of fixedly connected with between first limiting plate 31 and the roll-over stand 4, reinforcing plate 34 are located one side that first limiting plate 31 deviates from second limiting plate 32, and reinforcing plate 34 bottom fixed connection is on roll-over stand 4 upper surface, and the one end fixed connection that is close to first limiting plate 31 is on first limiting plate 31.

Referring to fig. 2 and 3, the sliding groove 41 that extends along first limiting plate 31 to second limiting plate 32 direction is seted up to roll-over stand 4 upper surface, second limiting plate 32 bottom surface fixedly connected with sliding block, sliding block slides and connects in sliding groove 41, be provided with adjustment mechanism 42 on roll-over stand 4, adjustment mechanism 42 includes accommodate the lead screw 421 and drive handle 422, accommodate the lead screw 421 rotates and connects in sliding groove 41, accommodate the lead screw 421 and sliding block threaded connection, the roll-over stand 4 is worn out to the one end that first limiting plate 31 was kept away from to accommodate the lead screw 421, drive handle 422 fixed connection wears out the one end of roll-over stand 4 at accommodate the lead screw 421.

Referring to fig. 2, the limit stop lever 33 is rotatably connected to the surface of the second limit plate 32 away from the roll-over stand 4 through a rotating shaft bolt 43, the rotating shaft bolt 43 passes through the limit stop lever 33 and is in threaded connection with the surface of the second limit plate 32 away from the roll-over stand 4, and the first limit plate 31, the second limit plate 32 and the limit stop lever 33 form a space for placing limit for the sizing rack 5.

The implementation principle of the quick turnover device of the sizing rack in the embodiment of the application is as follows: when the sizing roller on the sizing frame 5 needs to be detached and replaced, the hydraulic cylinder 15 is driven to extend, the hydraulic cylinder 15 is driven to drive the roll-over stand 4 to rotate to the horizontal position, and the sizing roller is detached from the sizing frame 5 through an operator.

When the sizing machine is used, the adjusting screw rod 421 can be driven to rotate by the driving handle 422, and the adjusting screw rod 421 drives the second limiting plate 32 to be close to and far from the first limiting plate 31, so that the sizing machine frames 5 with different heights can be limited; during the use accessible is unscrewed the rotating shaft bolt 43, realizes rotating spacing pin 33 to the direction of keeping away from sizing frame 5 to dismantle out the whole follow first limiting plate 31 of sizing frame 5 between second limiting plate 32.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a quick turning device of sizing frame which characterized in that: including frame (1), it is connected with roll-over stand (4) to rotate on frame (1), be provided with on roll-over stand (4) and be used for spacing stop gear (3) on roll-over stand (4) sizing frame (5), be provided with on frame (1) and be used for driving roll-over stand (4) pivoted driving piece.

2. A sizing frame quick turnover device according to claim 1, characterized in that: the driving part comprises a plurality of driving hydraulic cylinders (15); the upper end of the driving hydraulic cylinder (15) is rotatably connected to the roll-over stand (4), and the other end of the driving hydraulic cylinder is rotatably connected to the machine base (1).

3. A sizing frame quick turnover device according to claim 1, characterized in that: the limiting mechanism (3) comprises two limiting plates which are arranged on the roll-over stand (4), and a space for placing the sizing rack (5) is formed between the two limiting plates.

4. A sizing frame quick turnover device according to claim 3, characterized in that: stop gear (3) still include spacing pin (33), spacing pin (33) rotate to be connected on the limiting plate, two limiting plate and spacing pin (33) form the space that supplies sizing frame (5) to place.

5. A sizing frame quick turnover device according to claim 3, characterized in that: one of them the limiting plate slides along sizing frame (5) length direction and connects on roll-over stand (4), be provided with adjustment mechanism (42) on roll-over stand (4), adjustment mechanism (42) are including accommodate the lead screw (421) and actuating handle (422), accommodate the lead screw (421) length direction is parallel with the length direction of sizing frame (5), accommodate the lead screw (421) rotate to be connected on roll-over stand (4), accommodate the lead screw (421) with slide and connect the limiting plate threaded connection on roll-over stand (4).

6. A sizing frame quick turnover device according to claim 1, characterized in that: the ground is provided with a mounting groove (13) for mounting the base (1), and the base (1) is arranged at the bottom of the mounting groove (13).

7. A sizing frame quick turnover device according to claim 1, characterized in that: the machine base (1) is provided with a plurality of support rods (2) for supporting the roll-over stand (4).

8. A sizing frame quick turnover device according to claim 7, characterized in that: the supporting rod (2) is provided with a buffer mechanism (22), the buffer mechanism (22) comprises a buffer spring (221) and a contact block (222), the supporting rod (2) is provided with a buffer groove (21), the contact block (222) is connected in the buffer groove (21) in a sliding mode, and the buffer spring (221) is located between the contact block (222) and the bottom of the buffer groove (21); the upper end of the buffer spring (221) is arranged on the contact block (222), and the lower end of the buffer spring is arranged at the bottom of the buffer groove (21).

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