CN217941477U

CN217941477U - A forming mill for special-shaped pipe production line

Info

Publication number: CN217941477U
Application number: CN202221602788.XU
Authority: CN
Inventors: 李永婷; 李庆经; 董建香; 王捧捧
Original assignee: Weifang Jingyi Cold Bending Machinery Co ltd
Current assignee: Weifang Jingyi Cold Bending Machinery Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-12-02
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to a forming mill technical field discloses a forming mill for special-shaped tube production line, which comprises a worktable, the anterior fixedly connected with pneumatic cylinder in top of board, the drive end fixedly connected with kicking block of pneumatic cylinder, one side of keeping away from the pneumatic cylinder of kicking block is provided with anti-skidding mechanism, the inside of board is provided with adjustment mechanism, the utility model discloses in, step motor drive end rotates and drives the driving gear and rotate, and the driving gear rotates and can drive driven gear and rotate, and the short column can rotate round driven gear's center, and the short column can slide at the inner wall of returning the template simultaneously, and then drives returning the template and remove, and the stock can drive T shape post and remove at the removal in-process, and two T shape post distances are nearer, and the pneumatic cylinder only need promote shorter distance and can compel out less radian with the special-shaped tube, and the energy that consumes is less, has reached the purpose of reducing energy consumption.

Description

A forming mill for special-shaped pipe production line

Technical Field

The utility model relates to a forming mill technical field especially relates to a forming mill for special-shaped tube production line.

Background

The cold bending machine is also called an arch bending machine, and is mainly applied to bending of sectional materials such as I-shaped steel, channel steel, angle steel, U-shaped steel and the like of tunnels, subways, hydropower stations, underground chambers and the like, special-shaped pipes are various special-shaped seamless steel pipes which are manufactured by cold drawing and are generally distinguished according to broken sections, and the special-shaped pipes need to be bent by the cold bending machine in the machining process so as to be better used.

The cold bending machine mostly adopts the hydraulic drive kicking block oppression steel, reaches crooked purpose, and the shortcoming of existence has: firstly, ordinary forming mill reaches the crooked radian of control mechanical tubes through the propulsive distance of control pneumatic cylinder, to the crooked operation of little radian, the propulsive distance of needs is longer, the power of demand is great, it is more to the consumption of the energy, secondly because the mechanical tubes form is different, inconvenient centre gripping, position to different mechanical tubes impetus is also different, the pneumatic cylinder is when promoting, if the mechanical tubes is not at the impetus, take place the slip skew easily, certain danger has.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a cold bending machine for a special-shaped pipe production line.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a cold bending machine for a special-shaped pipe production line comprises a machine table, wherein a hydraulic cylinder is fixedly connected to the front portion of the top end of the machine table, a top block is fixedly connected to the driving end of the hydraulic cylinder, an anti-skidding mechanism is arranged on one side, away from the hydraulic cylinder, of the top block, and an adjusting mechanism is arranged inside the machine table;

the adjusting mechanism comprises a stepping motor, a driving gear, a driven gear and a support rod, the top end of the stepping motor is fixedly connected to the middle of the inner wall of the top end of the machine table, the driving end of the stepping motor is fixedly connected to the inner periphery of the driving gear, the outer periphery of the driving gear is connected with the driven gear in a meshed mode, the inner periphery of the driven gear is rotatably connected with the support rod through a bearing, and the bottom end of the support rod is fixedly connected to the inner wall of the bottom end of the machine table;

anti-skidding mechanism includes notch plate, arc piece, pivot and recess, the middle part of notch plate top inner wall is provided with the recess, the inner wall at both ends all is connected with the arc piece through the pivot rotation about the recess.

Further, adjustment mechanism still includes support column and spacing groove, the equal fixed connection in bottom of support column is at the bottom inner wall of board, the upper portion of support column all is provided with the spacing groove.

Further, adjustment mechanism still includes back template and stock, the equal sliding connection in the inside of spacing groove of periphery of stock, the equal fixedly connected with back template of one end that the stock is close.

Further, the adjusting mechanism further comprises short columns, the bottom ends of the short columns are fixedly connected to the top end of the driven gear, and the outer peripheries of the short columns are connected to the inner periphery of the circular plate in a sliding mode.

Further, adjustment mechanism still includes T shape post, the equal fixed connection in top of stock of bottom of T shape post.

Further, anti-skidding mechanism still includes reset spring, reset spring's top fixed connection is at the top inner wall of recess, reset spring's bottom fixed connection is on the top of arc piece.

Further, anti-skidding mechanism still includes the bolt, bolt threaded connection is on the top of concave plate, the bottom of bolt is located the top of arc piece.

Furthermore, the top rear side of board is provided with the spout, the equal sliding connection of inner wall of spout has T shape post, the equal fixedly connected with landing leg in bottom four corners of board.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, when the crooked radian of mechanical tubes is adjusted to needs, start step motor, the step motor drive end rotates and drives the driving gear rotation, the equal meshing in both sides of driving gear is connected with driven gear, the driving gear rotates can drive driven gear and rotates, the short column can rotate round driven gear's center, the short column can slide at the inner wall of returning the template simultaneously, and then it removes to drive back the template, because the stock that returns the template connection receives the limiting displacement of spacing groove, it can only remove about returning template and stock to remove, the stock can drive T shape post removal at the removal in-process, the interval of two T shape posts changes, the radian that the pneumatic cylinder oppresses the mechanical tubes and forms also can change, two T shape post distances are nearer, the pneumatic cylinder only need promote shorter distance and can force out less radian with mechanical tubes, the energy that consumes is less, the mesh that reduces the energy resource consumption has been reached.

2. The utility model discloses in, when the pneumatic cylinder promoted the kicking block oppression mechanical tubes, the mechanical tubes can upwards slide along the slope of concave bottom, can promote the arc piece round the pivot to inside the rotation after contacting the arc piece, the arc piece can extrude reset spring simultaneously, wait that the mechanical tubes gets into back in the concave, reset spring stretches and promotes the arc piece answer position, in bending process, if the mechanical tubes is not to taking place the skew when being about to because of the atress position, the mechanical tubes can promote the arc piece, because the top of arc piece is provided with the bolt, the arc piece can't rotate, the mechanical tubes receives and hinders unable skew, reached and prevented the gliding effect of mechanical tubes skew, danger has been eliminated.

Drawings

Fig. 1 is a front view of a cold bending machine for a special-shaped pipe production line according to the present invention;

fig. 2 is a schematic view of an adjusting mechanism of a cold bending machine for a special-shaped pipe production line according to the present invention;

fig. 3 is a schematic view of an anti-slip mechanism of a cold bending machine for a special-shaped pipe production line according to the present invention;

fig. 4 is a cross-sectional view of the anti-skid mechanism of the cold bending machine for the special-shaped pipe production line.

Illustration of the drawings:

1. a machine platform; 2. a support leg; 3. a hydraulic cylinder; 4. a top block; 5. an anti-slip mechanism; 501. a concave plate; 502. an arc-shaped block; 503. a rotating shaft; 504. a groove; 505. a bolt; 506. a return spring; 6. an adjustment mechanism; 601. a T-shaped column; 602. a stepping motor; 603. a driving gear; 604. a strut; 605. a driven gear; 606. a short column; 607. a plate is bent; 608. a long rod; 609. a support pillar; 610. a limiting groove; 7. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-4, the present invention provides an embodiment: a cold bending machine for a special-shaped pipe production line comprises a machine table 1, wherein a hydraulic cylinder 3 is fixedly connected to the front portion of the top end of the machine table 1, a top block 4 is fixedly connected to the driving end of the hydraulic cylinder 3, the hydraulic cylinder 3 drives the top block 4 to press a special-shaped pipe to achieve the purpose of bending, an anti-skidding mechanism 5 is arranged on one side, away from the hydraulic cylinder 3, of the top block 4, the special-shaped pipe is limited inside by the anti-skidding mechanism 5, the special-shaped pipe is prevented from deviating and sliding, an adjusting mechanism 6 is arranged inside the machine table 1, the distance between T-shaped columns 601 can be adjusted through the adjusting mechanism 6, and energy is saved when the special-shaped pipe is bent;

the adjusting mechanism 6 comprises a stepping motor 602, a driving gear 603, a driven gear 605 and a support rod 604, the top end of the stepping motor 602 is fixedly connected with the middle part of the inner wall of the top end of the machine table 1, the driving end of the stepping motor 602 is fixedly connected with the inner periphery of the driving gear 603, the outer periphery of the driving gear 603 is engaged with the driven gear 605, the inner periphery of the driven gear 605 is rotatably connected with the support rod 604 through a bearing, the bottom ends of the support rods 604 are fixedly connected with the inner wall of the bottom end of the machine table 1, the support rod 604 plays a role of supporting the driven gear 605, the adjusting mechanism 6 further comprises a support column 609 and a limit groove 610, the bottom ends of the support column 609 are fixedly connected with the inner wall of the bottom end of the machine table 1, the upper part of the support column 609 is provided with a limit groove 610, the adjusting mechanism 6 further comprises a shaping plate 607 and a long rod 608, the outer periphery of the long rod 608 is slidably connected inside the limit groove 610, one end close to the long rod 608 is fixedly connected with the shaping plate 607, the adjusting mechanism 6 further comprises a short column 606, the bottom ends of the short columns 606 are fixedly connected to the top end of a driven gear 605, the outer peripheries of the short columns 606 are slidably connected to the inner periphery of the circular plate 607, the adjusting mechanism 6 further comprises a T-shaped column 601, the bottom ends of the T-shaped column 601 are fixedly connected to the top end of a long rod 608, a stepping motor 602 is started, the driving end of the stepping motor 602 rotates to drive the driving gear 603 to rotate, the driven gear 605 is engaged and connected to two sides of the driving gear 603, the driving gear 603 rotates to drive the driven gear 605 to rotate, the short column 606 rotates around the center of the driven gear 605, meanwhile, the short column 606 slides on the inner wall of the circular plate 607 to drive the circular plate 607 to move, the long rod 608 connected with the circular plate 607 receives the limiting effect of a limiting groove 610, the circular plate 607 and the long rod 608 can only move left and right, the long rod 608 can drive the T-shaped column 601 to move in the moving process, the distance between the two T-shaped columns 601 changes, the radian formed by the special-shaped pipe pressed by the hydraulic cylinder 3 also changes, when the two T-shaped columns 601 are closer, the hydraulic cylinder 3 only needs to push a shorter distance to press the special-shaped pipe out of a smaller radian, the consumed energy is less, and the purpose of reducing the energy consumption is achieved;

the anti-skid mechanism 5 comprises a concave plate 501, an arc block 502, a rotating shaft 503 and a groove 504, the groove 504 is arranged in the middle of the inner wall of the top end of the concave plate 501, the inner walls of the left end and the right end of the groove 504 are rotatably connected with the arc block 502 through the rotating shaft 503, the anti-skid mechanism 5 further comprises a return spring 506, the top end of the return spring 506 is fixedly connected with the inner wall of the top end of the groove 504, the bottom end of the return spring 506 is fixedly connected with the top end of the arc block 502, the anti-skid mechanism 5 further comprises a bolt 505, the bolt 505 is in threaded connection with the top end of the concave plate 501, the bottom end of the bolt 505 is positioned above the arc block 502, when the hydraulic cylinder 3 pushes the top block 4 to press the special-shaped pipe, the mechanical tubes can upwards slide along the slope of concave plate 501 bottom, can promote the arc piece 502 to rotate to inside round pivot 503 after contacting arc piece 502, while arc piece 502 can extrude reset spring 506, wait that the mechanical tubes gets into in the concave plate 501 back, reset spring 506 stretches and promotes arc piece 502 home position, in bending process, if the mechanical tubes is not to taking place the skew because of the stress position, the mechanical tubes can promote arc piece 502, because the top of arc piece 502 is provided with bolt 505, arc piece 502 can't rotate, the mechanical tubes receives and hinders unable skew, reached and prevented the gliding effect of mechanical tubes skew, danger has been eliminated.

The top rear side of board 1 is provided with spout 7, the equal sliding connection of the inner wall of spout 7 has T shape post 601, when stock 608 drove T shape post 601 and removes, T shape post 601 slided in spout 7, the crooked in-process of abnormal shape pipe, the power that T shape post 601 received can pass through spout 7 and transmit for board 1, can not damage T shape post 601 easily, the equal fixedly connected with landing leg 2 in bottom four corners of board 1, landing leg 2 plays the effect that supports board 1.

The working principle is as follows: when the bending radian of the special pipe needs to be adjusted, the stepping motor 602 is started, the driving end of the stepping motor 602 rotates to drive the driving gear 603 to rotate, the two sides of the driving gear 603 are respectively connected with the driven gear 605 in a meshed manner, the driving gear 603 rotates to drive the driven gear 605 to rotate, the short column 606 rotates around the center of the driven gear 605, meanwhile, the short column 606 slides on the inner wall of the circular plate 607 to drive the circular plate 607 to move, the circular plate 607 is driven to move, because the long rod 608 connected with the circular plate 607 receives the limiting effect of the limiting groove 610, the circular plate 607 and the long rod 608 can only move left and right, the long rod 608 drives the T-shaped columns 601 to move in the moving process, the distance between the two T-shaped columns 601 changes, the radian formed by pressing the special pipe by the hydraulic cylinder 3 also changes, and when the two T-shaped columns 601 are closer to each other, the pneumatic cylinder 3 only needs to promote shorter distance can force out less radian with the mechanical tubes, the energy that consumes is less, reached the purpose that reduces energy consumption, when pneumatic cylinder 3 promoted top block 4 and oppressed the mechanical tubes, the mechanical tubes can upwards slide along the slope of concave plate 501 bottom, can promote arc piece 502 to rotate to inside around pivot 503 after contacting arc piece 502, simultaneously, arc piece 502 can extrude reset spring 506, wait that the mechanical tubes gets into in the concave plate 501 after, reset spring 506 stretches to promote arc piece 502 to resume the normal position, in the bending process, if the mechanical tubes is not to take place the skew because of the atress position, the mechanical tubes can promote arc piece 502, because the top of arc piece 502 is provided with bolt 505, arc piece 502 can' T rotate, the mechanical tubes receives and hinders unable skew, reached and prevented the gliding effect of mechanical tubes skew, danger has been eliminated.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a forming mill for special-shaped pipe production line, includes board (1), its characterized in that: a hydraulic cylinder (3) is fixedly connected to the front portion of the top end of the machine table (1), a top block (4) is fixedly connected to the driving end of the hydraulic cylinder (3), an anti-skid mechanism (5) is arranged on one side, far away from the hydraulic cylinder (3), of the top block (4), and an adjusting mechanism (6) is arranged inside the machine table (1);

the adjusting mechanism (6) comprises a stepping motor (602), a driving gear (603), a driven gear (605) and a supporting rod (604), the top end of the stepping motor (602) is fixedly connected to the middle of the inner wall of the top end of the machine table (1), the driving end of the stepping motor (602) is fixedly connected to the inner periphery of the driving gear (603), the outer periphery of the driving gear (603) is meshed with the driven gear (605), the inner periphery of the driven gear (605) is rotatably connected with the supporting rod (604) through a bearing, and the bottom end of the supporting rod (604) is fixedly connected to the inner wall of the bottom end of the machine table (1);

antiskid (5) include notch plate (501), arc piece (502), pivot (503) and recess (504), the middle part of notch plate (501) top inner wall is provided with recess (504), the inner wall at both ends all is connected with arc piece (502) through pivot (503) rotation about recess (504).

2. A cold-bending machine for profiled-pipe production lines according to claim 1, characterized in that: adjustment mechanism (6) still include support column (609) and spacing groove (610), the equal fixed connection in bottom inner wall of board (1) in bottom of support column (609), the upper portion of support column (609) all is provided with spacing groove (610).

3. A cold-bending machine for profiled-pipe production lines according to claim 1, characterized in that: adjustment mechanism (6) still include back template (607) and stock (608), the equal sliding connection in the inside of spacing groove (610) of periphery of stock (608), the equal fixedly connected with of one end that stock (608) are close returns template (607).

4. A cold-bending machine for profiled-pipe production lines according to claim 1, characterized in that: the adjusting mechanism (6) further comprises short columns (606), the bottom ends of the short columns (606) are fixedly connected to the top end of the driven gear (605), and the outer peripheries of the short columns (606) are slidably connected to the inner periphery of the circular plate (607).

5. A cold-bending machine for profiled-pipe production lines according to claim 1, characterized in that: the adjusting mechanism (6) further comprises a T-shaped column (601), and the bottom ends of the T-shaped column (601) are fixedly connected to the top end of the long rod (608).

6. A cold-bending machine for profiled-pipe production lines according to claim 1, characterized in that: the anti-skid mechanism (5) further comprises a return spring (506), the top end of the return spring (506) is fixedly connected to the inner wall of the top end of the groove (504), and the bottom end of the return spring (506) is fixedly connected to the top end of the arc-shaped block (502).

7. A cold-bending machine for profiled-pipe production lines according to claim 1, characterized in that: the anti-skid mechanism (5) further comprises a bolt (505), the bolt (505) is in threaded connection with the top end of the concave plate (501), and the bottom end of the bolt (505) is located above the arc-shaped block (502).

8. A pipe bender for a profiled tubing production line as claimed in claim 1, wherein: the top rear side of board (1) is provided with spout (7), the equal sliding connection of inner wall of spout (7) has T shape post (601), the equal fixedly connected with landing leg (2) in bottom four corners of board (1).