CN114505348A - Roll changing device for rollers in box - Google Patents
Roll changing device for rollers in box Download PDFInfo
- Publication number
- CN114505348A CN114505348A CN202210244089.0A CN202210244089A CN114505348A CN 114505348 A CN114505348 A CN 114505348A CN 202210244089 A CN202210244089 A CN 202210244089A CN 114505348 A CN114505348 A CN 114505348A
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- China
- Prior art keywords
- roller
- gyro wheel
- crossbeam
- rollers
- connecting plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/12—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by vertically displacing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
A roll change device for roller in box, including crossbeam and counter weight, the crossbeam is H shaped steel, the rigid coupling has the hanger plate of opening the lewis hole on the pterygoid lamina of crossbeam one side, opposite side pterygoid lamina rigid coupling has two bearing frames, the lead screw has been worn between two bearing frames, crossbeam one end rigid coupling has the connecting plate, evenly open on the connecting plate has a plurality of bolt holes, the connecting plate has the roll change head through bolted connection, the counter weight includes the support, there is the counterweight plate support bottom through bolted connection, upper portion is opened there is the gyro wheel groove, both sides evenly open in the gyro wheel groove have a plurality of shaft holes, all be fixed with the gyro wheel axle in the shaft hole, the gyro wheel is equipped with the gyro wheel to the gyro wheel axle other end, be provided with the bearing in the gyro wheel, the cavity position of gyro wheel string between two pterygoid laminas of crossbeam, the gyro wheel bottom is hollowed and the rigid coupling has trapezoidal nut, trapezoidal nut suit is on the lead screw. The invention has the advantages of realizing roller change in narrow space, shortening roller change time, improving working efficiency, reducing labor intensity of workers and avoiding unexpected safety accidents caused by long-time working fatigue.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a roller changing device for a roller in a box body.
Background
The invention discloses a simple, reliable and practical roller changing device which is combined with actual conditions after on-site inspection, and solves the problem of difficult roller changing well.
Disclosure of Invention
The invention aims to provide a roller changing device for rollers in a box body, which solves the problem that the rollers are difficult to change due to the narrow space inside and outside the box body, and increases the reliability, the economy and the practicability of the roller changing device.
The technical scheme includes that the roller changing device for the roller in the box body comprises a cross beam and a balance weight, wherein the cross beam is H-shaped steel, a hanging plate is fixedly connected to a wing plate on one side of the cross beam, a hanging hole is formed in the hanging plate, two bearing seats are fixedly connected to a wing plate on the other side of the cross beam, a lead screw penetrates between the two bearing seats, a connecting plate is fixedly connected to one end of the cross beam, a plurality of bolt holes are uniformly formed in the position, close to the edge, of the long edge of the connecting plate, the connecting plate is connected with a roller changing head through bolts, the balance weight comprises a support, the bottom of the support is connected with the balance weight plate through bolts, a roller groove is formed in the upper portion of the support, a plurality of shaft holes are uniformly formed in the two sides of the roller groove, a roller shaft is fixed in each shaft hole, a roller is mounted at the other end of the roller shaft, a bearing is arranged in the roller, the roller is hung in the position of a cavity between the two wing plates of the cross beam, a trapezoidal nut is hollowed at the bottom of the roller groove and fixedly connected with a trapezoidal nut, and the trapezoidal nut is sleeved on the lead screw.
The present invention is also characterized in that,
and a hand wheel is arranged at one end of the screw rod opposite to the roll changing head.
The two bearing seats are consistent with the center of the trapezoidal nut in height.
Supporting plates a are arranged on the periphery of the connecting position of the connecting plate and the cross beam.
The roll changing head comprises a base and a clamping seat, a plurality of corresponding bolt holes are uniformly formed in the position, close to the edge, of the base, the clamping seat is cylindrical, two threaded holes are formed in the inner wall of the clamping seat at symmetrical positions, and fastening bolts are assembled in the two threaded holes.
The periphery of the clamping seat is provided with a supporting plate b.
The invention has the advantages of realizing roll change in narrow space, shortening the roll change time, improving the working efficiency, reducing the labor intensity of workers, avoiding unexpected safety accidents caused by long-time working fatigue, reducing the friction resistance of the wheel bearing, ensuring that the roll change process is easier, flexible, convenient and smooth, ensuring more convenient operation and maintenance, saving the production cost and ensuring that the technology can be popularized and applied for a long time. In the production of box class equipment, there are a plurality of rollers in the box, the incasement space is narrow, and box exterior space is also extremely limited, and the change of roller becomes very difficult problem, discovers that roller drive end hot charge has double sprocket in actual production, so utilize sprocket tooth portion with roll change head with jackscrew, outside counter weight, lead screw, hand wheel mechanism realize outside finite space's roll change, melt economic nature, practicality as an organic whole, reach fabulous result of use.
Drawings
FIG. 1 is a schematic view of a roll changer for a roll in a casing according to the present invention;
FIG. 2 is a schematic view of a roll changing head structure of the roll changing device for a roll in a casing according to the present invention;
FIG. 3 is a schematic view of the method of use of the roll changing head of the roll changing apparatus for rolls in a cassette of the present invention;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic view showing the construction of a cross member of the roll changing device for the rolls in the casing according to the present invention;
FIG. 6 is a schematic view of the structure of the weight plate of the roll changing device for the rollers in the box body according to the present invention;
FIG. 7 is a schematic view showing the structure of a support of the roll changing device for the rolls in the casing according to the present invention.
In the figure, 1, a cross beam, 2, a hanging plate, 3, a hanging hole, 4, a connecting plate, 5, a bolt hole, 6, a bearing seat, 7, a screw rod, 8, a roll changing head, 9, a balance weight, 10, a balance weight plate, 11, a support, 12, a roller groove, 13, a shaft hole, 14, a roller shaft, 15, a roller, 16, a trapezoidal nut, 17, a base, 18, a clamping seat, 19, a threaded hole, 20, a fastening bolt, 21, a supporting plate a, 22, a supporting plate b, 23 and a hand wheel are arranged.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
A roll change device for roller in box, as shown in fig. 1, including crossbeam 1 and counter weight 9, as shown in fig. 5, crossbeam 1 is H shaped steel, and the rigid coupling has hanger plate 2 on the pterygoid lamina of crossbeam 1 one side, and it has hanging hole 3 to open on hanger plate 2, and the pterygoid lamina rigid coupling of crossbeam 1 another side has two bearing frames 6, has worn lead screw 7 between two bearing frames 6, and lead screw 7 is provided with hand wheel 23 with the one end that trades roller head 8 and is relative.
Crossbeam 1 one end rigid coupling has connecting plate 4, connecting plate 4 is equipped with backup pad a21 with crossbeam 1 hookup location all around, the long limit of connecting plate 4 is close to the border position and evenly opens and has a plurality of bolt holes 5, connecting plate 4 has roller changing head 8 through bolted connection, as shown in fig. 2 and fig. 4, roller changing head 8 includes base 17 and cassette 18, it has a plurality of bolt holes 5 of correspondence to be close to the border position evenly to open on the base 17, cassette 18 is the tube-shape, cassette 18 periphery is provided with backup pad b22, symmetric position is opened on the cassette 18 inner wall has two M20 screw holes 19, two M20 screw holes 19 all are furnished with and are fastened and stared bolt 20.
As shown in fig. 6 and 7, the counterweight 9 includes a support 11, the bottom of the support 11 is connected with a counterweight plate 10 through a bolt, the upper portion of the support 11 is provided with a roller groove 12, two sides in the roller groove 12 are uniformly provided with a plurality of shaft holes 13, a roller shaft 14 is fixed in each shaft hole 13, the other end of each roller shaft 14 is provided with a roller 15, a bearing is arranged in each roller 15, each roller 15 is hung at a cavity position between two wing plates of the cross beam 1, the bottom of each roller groove 12 is hollowed and fixedly connected with a trapezoidal nut 16, the trapezoidal nut 16 is sleeved on the screw rod 7, and the center heights of the two bearing seats 6 are consistent with the center height of the trapezoidal nut 16 through a gasket.
As shown in fig. 1 and 3, a hanging chain penetrates through a hanging hole 3 on a hanging plate 2, then a roller and a roller changing device are lifted by a lifting hook, the roller changing head 8 is a roller and a chain wheel, the roller changing head 8 is characterized in that a welding part is arranged, a threaded hole 19 is matched with the chain wheel, 2 tightly-focusing bolts 20 are arranged on the threaded hole 19, the roller is tightly focused in a chain wheel groove before being changed, a base 17 is connected with a connecting plate 4 through bolts, the roller with double rows of chain wheels is jacked by a jacking wire in the threaded hole 19 through the roller changing head 8 so as not to enable the roller to axially and radially move, a lead screw 7 is driven to move by controlling a hand wheel 23 to rotate, a roller wheel 15 is tightly attached to a wing plate of a cross beam 1 and can move, the lead screw 7 moves to drive a counterweight 9 to move, and therefore the balance between the counterweight 9 and the roller is adjusted.
When the roller is replaced by using the roller replacing device, the roller replacing device is integrally hoisted, the addendum circle of a double-row chain wheel outside the roller is matched with a threaded hole 19, a jackscrew in the threaded hole 19 props against a chain wheel tooth part, the roller to be replaced is clamped by a roller replacing head 8, then the balance of a balance weight plate is adjusted by using a concentrated balance weight feed screw 7, a hand wheel 23 and a roller 15, the crown block hoisting the roller replacing device is controlled to horizontally move outwards to draw out an old roller, finally a new roller is clamped on the roller replacing head 8, the balance of the balance weight plate is adjusted by using the concentrated balance weight feed screw 7, the hand wheel 23 and the roller 15, the new roller is fed into the device, the roller replacement in an external limited space is realized, the roller replacement is stable and smooth, the feed screw 7 is matched with a trapezoidal nut 16 by using Tr55 to realize the movement of a support through the hand wheel, and the roller replacing efficiency is greatly improved.
The invention realizes the roll changing in narrow space, shortens the roll changing time, improves the working efficiency, lightens the labor intensity of workers, avoids unexpected safety accidents caused by long-time working fatigue, reduces the friction resistance of the wheel bearing, leads the roll changing process to be easier, flexible, convenient and smooth, leads the operation and maintenance to be more convenient, saves the production cost and leads the technology to be popularized and applied for a long time. In the production of box class equipment, there are a plurality of rollers in the box, the incasement space is narrow, and box exterior space is also extremely limited, and the change of roller becomes very difficult problem, discovers that roller drive end hot charge has double sprocket in actual production, so utilize sprocket tooth portion with roll change head with jackscrew, outside counter weight, lead screw, hand wheel mechanism realize outside finite space's roll change, melt economic nature, practicality as an organic whole, reach fabulous result of use.
Claims (6)
1. A roll change device for roller in box, its characterized in that, including crossbeam (1) and counter weight (9), crossbeam (1) is H shaped steel, the rigid coupling has hanger plate (2) on the pterygoid lamina of crossbeam (1) one side, it has hoisting hole (3) to open on hanger plate (2), crossbeam (1) another side pterygoid lamina rigid coupling has two bearing frames (6), worn lead screw (7) between two bearing frames (6), crossbeam (1) one end rigid coupling has connecting plate (4), the long limit of connecting plate (4) is close to the border position and evenly opens and has a plurality of bolt holes (5), there are roll change head (8) connecting plate (4) through bolted connection, counter weight (9) include support (11), there are counter weight plate (10) support (11) bottom through bolted connection, open gyro wheel support (11) upper portion has a plurality of shaft holes (12), evenly open both sides in gyro wheel groove (12) has a plurality of shaft holes (13), roller shafts (14) are fixed in the shaft holes (13), rollers (15) are mounted at the other ends of the roller shafts (14), bearings are arranged in the rollers (15), the rollers (15) are hung in the cavity between the two wing plates of the cross beam (1), the bottoms of the roller grooves (12) are hollowed and fixedly connected with trapezoidal nuts (16), and the trapezoidal nuts (16) are sleeved on the lead screws (7).
2. The device according to claim 1, characterized in that the end of the screw (7) opposite to the head (8) is provided with a hand wheel (23).
3. Roll changing device for rollers in tanks, according to claim 1, characterized in that the two bearing blocks (6) coincide with the centre height of the trapezoidal nut (16).
4. The roll-changing device for rollers in a box body according to claim 1, characterized in that a support plate a (21) is arranged around the connecting position of the connecting plate (4) and the cross beam (1).
5. The roll changing device for the rollers in the box body as claimed in claim 1, wherein the roll changing head (8) comprises a base (17) and a clamping seat (18), a plurality of corresponding bolt holes (5) are uniformly formed in the position, close to the edge, of the base (17), the clamping seat (18) is cylindrical, two threaded holes (19) are formed in the inner wall of the clamping seat (18) at symmetrical positions, and fastening bolts (20) are assembled in the two threaded holes (19).
6. A roller change device for rollers in tanks, as claimed in claim 5, characterized in that the outer periphery of the cassette (18) is provided with a support plate b (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210244089.0A CN114505348A (en) | 2022-03-10 | 2022-03-10 | Roll changing device for rollers in box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210244089.0A CN114505348A (en) | 2022-03-10 | 2022-03-10 | Roll changing device for rollers in box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114505348A true CN114505348A (en) | 2022-05-17 |
Family
ID=81553715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210244089.0A Pending CN114505348A (en) | 2022-03-10 | 2022-03-10 | Roll changing device for rollers in box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114505348A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3926027A (en) * | 1975-02-11 | 1975-12-16 | Wean United Inc | Roll changing apparatus for a rolling mill or the like |
| CN102040158A (en) * | 2010-12-31 | 2011-05-04 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace roller hanger for hoisting |
| CN203292185U (en) * | 2013-05-24 | 2013-11-20 | 中冶南方工程技术有限公司 | Quick roll changing device |
| CN105013827A (en) * | 2015-07-09 | 2015-11-04 | 常州宝菱重工机械有限公司 | Roll replacing hook unhooking device for support roll |
| CN207642588U (en) * | 2017-09-12 | 2018-07-24 | 中色科技股份有限公司 | A kind of Quick roll-changing device |
-
2022
- 2022-03-10 CN CN202210244089.0A patent/CN114505348A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3926027A (en) * | 1975-02-11 | 1975-12-16 | Wean United Inc | Roll changing apparatus for a rolling mill or the like |
| JPS51145450A (en) * | 1975-02-11 | 1976-12-14 | Wean United Inc | Roll exchange device for rolling mill |
| CN102040158A (en) * | 2010-12-31 | 2011-05-04 | 中冶南方(武汉)威仕工业炉有限公司 | Furnace roller hanger for hoisting |
| CN203292185U (en) * | 2013-05-24 | 2013-11-20 | 中冶南方工程技术有限公司 | Quick roll changing device |
| CN105013827A (en) * | 2015-07-09 | 2015-11-04 | 常州宝菱重工机械有限公司 | Roll replacing hook unhooking device for support roll |
| CN207642588U (en) * | 2017-09-12 | 2018-07-24 | 中色科技股份有限公司 | A kind of Quick roll-changing device |
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