CN209953502U

CN209953502U - Cold roll lifting device

Info

Publication number: CN209953502U
Application number: CN201920717367.3U
Authority: CN
Inventors: 宋奎星
Original assignee: Shandong Dashan Stainless Steel Products Co Ltd
Current assignee: Shandong Dashan Stainless Steel Products Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-01-17
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a cold roll elevating gear, including the frame, the frame is including controlling two stands, and the stand is shell structure, and its inside installation cavity that is equipped with is installed to the stand in, but vertical gliding slide in the installation cavity, and articulated on one of them slide have a main shaft, install rotatable spheroid on another slide, is equipped with the perforating hole on the spheroid, and the perforating hole on the spheroid is passed to the non-hinged end of main shaft, and the cover is equipped with rotatable top roll on the main shaft, is equipped with the lift drive that can order about two slides respectively in the frame and go up and down. The utility model discloses can be used to on the cold rolling mill, can realize the whole lift of top roll, can realize the unilateral lift of top roll again for the flat steel sheet of rolling different thickness, the trapezoidal cross-section steel sheet of different specifications realize a tractor serves several purposes, and it is also convenient and swift to adjust relatively.

Description

Cold roll lifting device

Technical Field

The utility model relates to a cold roll elevating gear.

Background

In the section bar manufacturing, a long steel plate needs to be rolled into trapezoidal section steel plates with different thicknesses, the adopted process is cold rolling, and the adopted equipment is a cold rolling mill. The existing cold rolling mill comprises a frame, an upper roller and a lower roller are arranged on the frame, the thickness of a steel plate is reduced by utilizing the extrusion effect of the two rollers on the steel plate, so that the steel plate with a certain thickness is obtained, the distance between the upper roller and the lower roller of the existing cold rolling mill is fixed, and different cold rolling mills are required to be used for processing steel plates with different specifications, so that resources and sites are occupied.

Disclosure of Invention

The utility model aims at the above-mentioned problem provide a cold roll elevating gear, can use on the cold rolling mill, realize the regulation of two roll intervals through the lift to the top roll for the steel sheet of different thickness can be processed to the cold rolling mill, a tractor serves several purposes is realized.

In order to achieve the above object, the utility model discloses a frame, frame are including controlling two stands, and the stand is shell structure, and its inside installation cavity that is equipped with is installed to the installation cavity, but has vertical gliding slide in the installation cavity, and it has the main shaft to articulate on one of them slide, installs rotatable spheroid on another slide, is equipped with the perforating hole on the spheroid, and the perforating hole on the spheroid is passed to the non-hinged end of main shaft, and the cover is equipped with rotatable top roll on the main shaft, is equipped with the lift drive that can order about two slides respectively in the.

This cold roll elevating gear can use on the cold rolling mill, still installs the lower roll relative with the top roll on the cold rolling mill, and the lower roll can rotate under the drive of power, uses behind this cold roll elevating gear, and the concrete working method of cold rolling mill is as follows: when the lifting driving device drives the two sliding seats to lift simultaneously, the upper roller rises or falls, so that the distance between the upper roller and the lower roller can be changed, and the two sliding seats are used for rolling steel plates with different thicknesses; when the lifting driving device drives one of the sliding seats to lift, the inclination angle of the upper roller can be changed, and the steel plates with the trapezoidal sections of different specifications can be obtained.

The lifting driving device comprises a power device, the power device is provided with a left power output shaft and a right power output shaft which can output power, the centers of the two power output shafts are respectively provided with a first threaded hole, the top ends of the two sliding seats are respectively and fixedly connected with a lifting screw, the two lifting screws respectively penetrate through the first threaded holes, and the external threads of the lifting screws are matched with the internal threads of the first threaded holes. Utilize the screw-thread fit of lifting screw and first screw hole, drive lifting screw lift by power output shaft's rotation, this kind of structure has the advantage that can realize that low-speed goes up and down, that lifting force is big.

The power device comprises a power box, the top ends of the two stand columns are connected with the power box, two first fixed sleeves are mounted in the power box, two power output shafts are respectively rotatably mounted in the two first fixed sleeves, two first transmission shafts and two second transmission shafts are rotatably mounted in the power box, a motor is mounted on the power box, a power shaft of the motor extends into the power box and is provided with a driving gear, the first transmission shaft is provided with a first driven gear, a second driven gear, the second transmission shaft is provided with a third driven gear and a fourth driven gear, the driving gear is meshed with the first driven gear, the second driven gear is meshed with the third driven gear, the two power output shafts are respectively provided with fifth driven gears, the two fourth driven gears are respectively meshed with the two fifth driven gears, the fourth driven gears can be vertically slidably mounted on the second transmission shaft and pass through matched internal splines, The external spline transmits power, and a position adjusting device which can drive the fourth driven gear to slide so as to change the meshing state of the fourth driven gear and the fifth driven gear is arranged in the power box. After adopting above-mentioned structure, utilize the meshing of driving gear and first driven gear, the meshing of second driven gear and third driven gear, the power transmission who can export the motor to power output shaft of fourth driven gear and fifth driven gear, realize power output shaft's power output, further order about the lift screw rod and go up and down, the operating position through changing fourth driven gear can make four driven gear and fifth driven gear meshing or separation, the independent drive to two slide lifts, just so through the positive and negative rotation of control motor, just can control the slide and go up and down simultaneously or control a certain slide and go up and down alone through changing the engaged state of four driven gear and fifth driven gear, thereby adjust the position and the inclination of top roll, accommodation process is convenient, it is quick.

The position adjusting device comprises a swing rod, the middle of the swing rod is hinged in the power box, one side of the fourth driven gear is connected with a connecting sleeve, two baffle discs which are arranged at intervals are connected onto the connecting sleeve, one end of the swing rod is inserted between the two baffle discs, and the other end of the swing rod is connected with an operating rod which extends out of the power box. The position of the fourth driven gear can be changed by pulling and pressing the operating lever, and the fourth driven gear and the fifth driven gear are meshed or separated.

And the part of the second transmission shaft, which is positioned below the four driven gears, is provided with a limiting blocking edge. The limiting blocking edge is used for limiting the position of the four driven gears and keeping the meshing state of the four driven gears and the fifth driven gear.

Be equipped with the otic placode on the slide with main shaft articulated, be equipped with the connector on the main shaft and articulate on the otic placode through the connector, be connected with the shifting block on the connector, install two limit switch on the otic placode, two limit switch are located the both sides of shifting block respectively, and two limit switch install on the control circuit of motor. The two limit switches are used for controlling the inclination angle of the upper roller, and when the upper roller exceeds a certain inclination limit, the motor can stop rotating, so that the overlarge inclination angle of the upper roller is avoided.

The upper roller is provided with a central hole, bearings are arranged at two ends of the central hole, the main shaft penetrates through inner holes of the bearings, and check rings are arranged on the main shaft and positioned outside the two bearings. After adopting above-mentioned structure, the rotation of top roll is comparatively smooth and easy, and work is more stable.

The sliding seat with the ball body comprises an upper seat body and a lower seat body, wherein the upper seat body and the lower seat body are fixed together through bolts and nuts, the lower surface of the upper seat body is in contact with the upper surface of the lower seat body, the contact planes of the upper seat body and the lower seat body are respectively provided with a groove which is communicated with the left side surface and the right side surface, the two grooves jointly form a cavity which is communicated with the left side surface and the right side surface, the concave surfaces of the two grooves are respectively provided with a spherical pit, and the ball body is arranged in a space. By adopting the structure, the installation and the replacement of the ball body can be convenient, and the ball body can be designed into a larger diameter, so that the main shaft can be supported better.

The vertical column is characterized in that a vertically extending long groove is formed in the front side face of the vertical column, a third sleeve is sleeved on the lifting screw rod, an indicating rod is connected onto the third sleeve, the indicating rod penetrates through the long groove in the front side face of the vertical column to extend outwards, and a scale is installed on the part, close to one side of the long groove, of the front side face of the vertical column. The indicating rod goes up and down along with the lifting screw rod, and the lifting distance of the upper roller can be visually displayed according to the scale marks indicated by the indicating rod.

The opposite side surfaces of the two upright posts are provided with side openings for the sliding seat to pass in and out of the installation cavity. The arrangement of the side opening can facilitate the installation of the sliding seat and the connection of the sliding seat and the lifting screw rod.

To sum up, the utility model discloses can be used to realize the whole lift of top roll on the cold rolling mill, can realize the unilateral lift of top roll again for the flat steel sheet of rolling different thickness, the trapezoidal section steel sheet of different specifications realize a tractor serves several purposes, adjust also more convenient and swift.

Drawings

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 taken along line A-A;

fig. 3 is a schematic view of the structure of fig. 1 taken along line B-B.

Detailed Description

Referring to the attached drawings, the cold roll lifting device comprises a rack, the rack comprises a left stand column and a right stand column 2, the stand columns 2 are of a shell structure, a mounting cavity 3 is arranged in the rack, slide bases 4 capable of vertically sliding are mounted in the mounting cavity 3, a spindle 5 is hinged to one of the slide bases 4, a rotatable ball body 6 is mounted on the other slide base 4, through holes 7 are formed in the ball body 6, the non-hinged end of the spindle 5 penetrates through the through holes 7 in the ball body 6, a rotatable upper roller 8 is sleeved on the spindle 5, and a lifting driving device capable of driving the two slide bases 4 to lift respectively is.

This cold roll elevating gear can use on the cold rolling mill, still installs the lower roll relative with top roll 8 on the cold rolling mill, and the lower roll can rotate under the drive of power, uses behind this cold roll elevating gear, and the concrete working method of cold rolling mill is as follows: when the lifting driving device drives the two sliding seats 4 to lift simultaneously, the upper roller 8 rises or falls, so that the distance between the upper roller 8 and the lower roller can be changed, and the device is used for rolling steel plates with different thicknesses; when the lifting driving device drives one of the sliding seats 4 to lift, the inclination angle of the upper roller 8 can be changed, and the steel plates with the trapezoidal sections of different specifications can be obtained.

The lifting driving device comprises a power device, the power device is provided with a left power output shaft 9 and a right power output shaft 9 which can output power, the centers of the two power output shafts 9 are respectively provided with a first threaded hole 10, the top ends of the two sliding seats 4 are respectively and fixedly connected with a lifting screw rod 11, the two lifting screw rods 11 respectively penetrate through the first threaded holes 10, and the external threads of the lifting screw rods 11 are matched with the internal threads of the first threaded holes 10. By utilizing the threaded fit of the lifting screw rod 11 and the first threaded hole 10, the lifting screw rod 11 is driven to lift by the rotation of the power output shaft 9, and the structure has the advantages of low-speed lifting and large lifting force.

The power device comprises a power box 12, the top ends of two vertical columns 2 are connected with the power box 12, two first fixed sleeves 13 are arranged in the power box 12, two power output shafts 9 are respectively and rotatably arranged in the two first fixed sleeves 13, two first transmission shafts 14 and two second transmission shafts 15 are rotatably arranged in the power box 12, a motor 16 is arranged on the power box 12, a power shaft of the motor 16 extends into the power box 12 and is provided with a driving gear 17, the first transmission shaft 14 is provided with a first driven gear 18, a second driven gear 19, the second transmission shaft 15 is provided with a third driven gear 20 and a fourth driven gear 21, the driving gear 17 is meshed with the first driven gear 18, the second driven gear 19 is meshed with the third driven gear 20, the two power output shafts 9 are respectively provided with a fifth driven gear 22, the two fourth driven gears 21 are respectively meshed with the two fifth driven gears 22, the fourth driven gear 21 is mounted on the second transmission shaft 15 in a vertically slidable manner and transmits power through an internal spline and an external spline which are matched with each other, and a position adjusting device which can drive the fourth driven gear 21 to slide so as to change the meshing state of the fourth driven gear 21 and the fifth driven gear 22 is mounted in the power box 12. After the structure is adopted, the power output by the motor 16 can be transmitted to the power output shaft 9 by utilizing the meshing of the driving gear 17 and the first driven gear 18, the meshing of the second driven gear 19 and the third driven gear 20 and the meshing of the fourth driven gear 21 and the fifth driven gear 22, so that the power output of the power output shaft 9 is realized, the lifting screw 11 is further driven to lift, the four driven gears 21 and the fifth driven gear 22 can be meshed or separated by changing the working position of the fourth driven gear 21, the two sliding bases 4 are driven to lift independently, the sliding bases 4 can be controlled to lift simultaneously or a certain sliding base can be controlled to lift independently by controlling the positive and negative rotation of the motor 16 and changing the meshing state of the four driven gears 21 and the fifth driven gear 22, the position and the inclination angle of the upper roller 8 are adjusted, and the adjusting process is convenient and quick.

The position adjusting device comprises a swing rod 23, the middle of the swing rod 23 is hinged in the power box 12, one side of the fourth driven gear 21 is connected with a connecting sleeve 24, two baffle discs 25 which are arranged at intervals are connected onto the connecting sleeve 24, one end of the swing rod 23 is inserted between the two baffle discs 25, and the other end of the swing rod 23 is connected with an operating rod 26 which extends out of the power box 12. The position of the fourth driven gear 21 can be changed by pulling or pressing the operating lever 26, and the fourth driven gear 21 and the fifth driven gear 22 are engaged or disengaged.

The second transmission shaft 15 is provided with a limit stop edge 43 at the position below the four driven gears 21. The limit stop edge 43 is used for limiting the position of the four driven gears 21 and keeping the meshing state of the four driven gears 21 and the fifth driven gear 22.

The slide seat 4 hinged with the spindle 5 is provided with an ear plate 33, the spindle 5 is provided with a connector 44 and hinged on the ear plate 33 through the connector 44, the connector 44 is connected with a shifting block 34, the ear plate 33 is provided with two limit switches 35, the two limit switches 35 are respectively positioned at two sides of the shifting block 34, and the two limit switches 35 are arranged on a control circuit of the motor 16. The two limit switches 35 are used for controlling the inclination angle of the upper roller 8, and when the upper roller 8 exceeds a certain inclination limit, the motor 16 can stop rotating, so that the overlarge inclination angle of the upper roller 8 is avoided.

The upper roller 8 is provided with a central hole 36, bearings 37 are arranged at two ends of the central hole 36, the main shaft 5 penetrates through inner holes of the bearings 37, and retaining rings 38 are arranged on the main shaft 5 and positioned outside the two bearings 37. After adopting above-mentioned structure, the rotation of top roll 8 is comparatively smooth and easy, and work is more stable.

The sliding seat 4 with the ball 6 comprises an upper seat body 51 and a lower seat body 52, the upper seat body 51 and the lower seat body 52 are fixed together through bolts and nuts, the lower surface of the upper seat body 51 is contacted with the upper surface of the lower seat body 52, the contact planes of the upper seat body 51 and the lower seat body 52 are respectively provided with a groove 53 which is communicated with the left side surface and the right side surface, the two grooves 53 jointly form a cavity which is communicated with the left side and the right side, the concave surfaces of the two grooves 53 are respectively provided with a spherical concave pit 54, and the ball 6 is arranged in the space which is jointly formed by the. By adopting the structure, the installation and the replacement of the ball body 6 can be convenient, and the ball body 6 can be designed into a larger diameter, thereby having better supporting effect on the main shaft 5.

A vertically extending long groove is formed in the front side surface of the upright post 2, a third sleeve 55 is sleeved on the lifting screw 11, an indication rod 56 is connected to the third sleeve 55, the indication rod 56 penetrates through the long groove 57 on the front side surface of the upright post 2 to extend outwards, and a scale 58 is arranged on the front side surface of the upright post 2 close to one side of the long groove 57. The indication rod 56 is lifted along with the lifting screw 11, and the lifting distance of the upper roller 8 can be visually displayed according to the scale of the scale 58 indicated by the indication rod 56.

The opposite sides of the two uprights 2 are provided with lateral openings 59 through which the slide 4 can pass into and out of the mounting chamber 3. The provision of the side opening 59 facilitates the mounting of the carriage 4 and the connection of the carriage 4 to the lifting screw 11.

To sum up, the present invention is not limited to the above-mentioned specific embodiments. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications are intended to be within the scope of the present invention.

Claims

1. The utility model provides a cold roll elevating gear, which comprises a frame, characterized by the frame is including controlling two stands (2), stand (2) are shell structure, its inside installation cavity (3) that is equipped with, but install vertical gliding slide (4) in installation cavity (3), it has main shaft (5) to articulate on one of them slide (4), install rotatable spheroid (6) on another slide (4), be equipped with perforating hole (7) on spheroid (6), perforating hole (7) on spheroid (6) are passed to the non-hinged end of main shaft (5), the cover is equipped with rotatable last roll (8) on main shaft (5), be equipped with in the frame and order about the lift drive of two slides (4) lift respectively.

2. The cold roll lifting device according to claim 1, characterized in that the lifting driving device comprises a power device, the power device is provided with a left power output shaft and a right power output shaft (9) which can output power, the centers of the two power output shafts (9) are respectively provided with a first threaded hole (10), the top ends of the two sliding seats (4) are respectively and fixedly connected with a lifting screw (11), the two lifting screws (11) respectively penetrate through the first threaded hole (10), and the external threads of the lifting screws (11) are matched with the internal threads of the first threaded holes (10).

3. The cold roll lifting device according to claim 2, characterized in that the power device comprises a power box (12), the top ends of two vertical columns (2) are connected with the power box (12), two first fixed sleeves (13) are installed in the power box (12), two power output shafts (9) are respectively rotatably installed in the two first fixed sleeves (13), two first transmission shafts (14) and two second transmission shafts (15) are rotatably installed in the power box (12), a motor (16) is installed on the power box (12), a power shaft of the motor (16) extends into the power box (12) and is provided with a driving gear (17), a first driven gear (18) and a second driven gear (19) are arranged on the first transmission shaft (14), a third driven gear (20) and a fourth driven gear (21) are arranged on the second transmission shaft (15), the driving gear (17) is engaged with the first driven gear (18), second driven gear (19) and third driven gear (20) meshing, all install fifth driven gear (22) on two power take off shafts (9), two fourth driven gear (21) mesh with two fifth driven gear (22) respectively, gliding installation is gone up and down passed through the internal spline of looks adaptation, external spline transmission power on second transmission shaft (15) in fourth driven gear (21), thereby it slides with the position control device of fifth driven gear (22) meshing state to drive fourth driven gear (21) to install in headstock (12).

4. The cold roll lifting device according to claim 3, characterized in that the position adjusting device comprises a swing rod (23), the middle part of the swing rod (23) is hinged in the power box (12), one side of the fourth driven gear (21) is connected with a connecting sleeve (24), the connecting sleeve (24) is connected with two baffle discs (25) which are arranged at intervals, one end of the swing rod (23) is inserted between the two baffle discs (25), and the other end of the swing rod (23) is connected with an operating lever (26) which extends out of the power box (12).

5. The cold roll lifting device according to claim 4, characterized in that the second transmission shaft (15) is provided with a limit stop edge (43) at the position below the four driven gears (21).

6. The cold roll lifting device according to claim 3, characterized in that a lug plate (33) is arranged on the sliding base (4) hinged with the spindle (5), a connector (44) is arranged on the spindle (5) and hinged on the lug plate (33) through the connector (44), a shifting block (34) is connected on the connector (44), two limit switches (35) are arranged on the lug plate (33), the two limit switches (35) are respectively positioned on two sides of the shifting block (34), and the two limit switches (35) are arranged on a control circuit of the motor (16).

7. The cold roll lifting device according to claim 1, characterized in that the upper roll (8) is provided with a central hole (36), bearings (37) are mounted at both ends of the central hole (36), the main shaft (5) passes through inner holes of the bearings (37), and retaining rings (38) are mounted at positions of the main shaft (5) which are positioned at the outer sides of the two bearings (37).

8. The cold roll lifting device according to claim 1, wherein the sliding seat (4) provided with the ball body (6) comprises an upper seat body (51) and a lower seat body (52), the upper seat body (51) and the lower seat body (52) are fixed together through bolts and nuts, the lower surface of the upper seat body (51) is in contact with the upper surface of the lower seat body (52), the contact planes of the upper seat body (51) and the lower seat body (52) are respectively provided with a groove (53) which is communicated with the left side and the right side, the two grooves (53) jointly form a cavity which is communicated with the left side and the right side, the concave surfaces of the two grooves (53) are respectively provided with a spherical pit (54), and the ball body (6) is arranged in the space which is jointly formed by.

9. The cold roll lifting device according to claim 1, characterized in that a vertically extending long groove is arranged on the front side surface of the upright post (2), a third sleeve (55) is sleeved on the lifting screw (11), an indicating rod (56) is connected to the third sleeve (55), the indicating rod (56) penetrates through the long groove (57) on the front side surface of the upright post (2) to extend outwards, and a scale (58) is arranged on the front side surface of the upright post (2) near one side of the long groove (57).

10. Cold roll lifting device according to claim 1, characterised in that the opposite sides of the two uprights (2) are provided with lateral openings (59) for the slide (4) to enter and exit the installation chamber (3).