CN216937702U - Rapid roll changing device of two-roll horizontal rolling mill - Google Patents
Rapid roll changing device of two-roll horizontal rolling mill Download PDFInfo
- Publication number
- CN216937702U CN216937702U CN202220816630.6U CN202220816630U CN216937702U CN 216937702 U CN216937702 U CN 216937702U CN 202220816630 U CN202220816630 U CN 202220816630U CN 216937702 U CN216937702 U CN 216937702U
- Authority
- CN
- China
- Prior art keywords
- rolling mill
- base
- horizontal rolling
- roll
- roll horizontal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The utility model relates to a rolling mill, in particular to a rapid roll changing device of a two-roll horizontal rolling mill, which comprises a two-roll horizontal rolling mill body and also comprises: the four locking hydraulic cylinders are fixed on the base, and a piston rod of each locking hydraulic cylinder is provided with a first pressing inclined plane; the base is fixed to the bottom of the two-roll horizontal rolling mill body and located at four corners, a second pressing inclined plane is arranged at the top of the base, the two-roll horizontal rolling mill body is installed on the base through the base, the first pressing inclined plane of the piston rod is pressed on the second pressing inclined plane, and the two-roll horizontal rolling mill body is fixed to the base. The rapid roll changing device of the two-roll horizontal rolling mill realizes the fixation of the two-roll horizontal rolling mill body through the locking hydraulic cylinder and the base, can integrally change the two-roll horizontal rolling mill, and has the advantages of simple structure, short operation time, high changing efficiency, low cost and easy disassembly and assembly.
Description
Technical Field
The utility model relates to a rolling mill, in particular to a quick roll changing device of a two-roll horizontal rolling mill.
Background
The rolling mill is a main device directly participating in rolling in the production process of the steel bars. At present, a two-roll horizontal rolling mill is used in part of steel rolling mills, and during roll changing and specification changing, the disassembly and the assembly are more complicated, and the method comprises six steps, namely, firstly, a sledge hammer is used for loosening four inclined irons on a memorial archway, and the inclined irons are taken away; the second one is hoisted out of the upper roller boxes on the two sides; and thirdly, hanging the upper roller and the lower roller out of the bearing block, dismantling the upper roller and the lower roller, and completing the roller replacement after the reverse operation in the steps during installation, wherein the process consumes time and labor and affects the operation efficiency of equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a rapid roll changing device of a two-roll horizontal rolling mill, which has the advantages of simple structure, easy disassembly and assembly, short operation time and high changing efficiency, and the specific technical scheme is as follows:
the utility model provides a two roll horizontal rolling mill quick roll change device, includes two roll horizontal rolling mill bodies, still includes: the four locking hydraulic cylinders are all fixed on the base, and a piston rod of each locking hydraulic cylinder is provided with a first pressing inclined plane; the base is fixed at the bottom of the two-roller horizontal rolling mill body and located at four corners, a second pressing inclined plane is arranged at the top of the base, the two-roller horizontal rolling mill body is installed on the base through the base, the first pressing inclined plane of the piston rod is pressed on the second pressing inclined plane, and the two-roller horizontal rolling mill body is fixed on the base.
Preferably, the bases are symmetrically arranged on both sides of a support plate of the two-roll horizontal rolling mill.
The bottom of the base is provided with a positioning block, and the positioning block is arranged opposite to the positioning groove in the base.
Preferably, the positioning block and the second pressing inclined plane are respectively located on two sides of the base.
Preferably, the base is further provided with a fixing hole.
Preferably, the two sides of the two-roll horizontal rolling mill body are symmetrically provided with lifting hooks.
Preferably, the device further comprises a coupling block, wherein a connecting inclined plane and a third pressing inclined plane are arranged on the coupling block, the coupling block is fixed on the base, the connecting inclined plane is connected with the second pressing inclined plane, and the third pressing inclined plane is opposite to the first pressing inclined plane.
Furthermore, the locking device also comprises a cushion block, wherein the cushion block is fixed at the bottom of the locking hydraulic cylinder and is connected with the base.
Compared with the prior art, the utility model has the following beneficial effects:
the rapid roll changing device of the two-roll horizontal rolling mill realizes the fixation of the two-roll horizontal rolling mill body through the locking hydraulic cylinder and the base, can integrally change the two-roll horizontal rolling mill, and has the advantages of simple structure, short operation time, high changing efficiency, low cost and easy disassembly and assembly.
Drawings
FIG. 1 is a schematic structural view of a rapid roll changing device of a two-roll horizontal rolling mill;
FIG. 2 is a side view of a rapid roll change device for a two roll horizontal mill;
FIG. 3 is a schematic structural view of a two high horizontal mill body;
FIG. 4 is a schematic structural view of a locking cylinder;
fig. 5 is a schematic structural diagram of a coupling block.
Detailed Description
The utility model will now be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, a rapid roll changing device for a two-roll horizontal rolling mill comprises a two-roll horizontal rolling mill body 1, a locking hydraulic cylinder 2 and a base 5.
The four locking hydraulic cylinders 2 are fixed on the base through the cushion blocks 4, the locking hydraulic cylinders 2 are symmetrically arranged in pairs, and the four locking hydraulic cylinders 2 are respectively located at four corners of the two-roller horizontal rolling mill body 1. Be equipped with the first inclined plane 22 that compresses tightly on the piston rod 21 of locking pneumatic cylinder 2, the first inclined plane 22 orientation that compresses tightly sets up, and the length that the piston rod 21 of locking pneumatic cylinder 2 stretches out is shorter, avoids producing the great arm of force, reduces radial force, avoids influencing the life of locking pneumatic cylinder 2.
The two-roll horizontal rolling mill body 1 includes two support plates 13 and two rolls which are symmetrically arranged. The base 5 is symmetrically fixed at both ends of the bottom of the support plate 13, and the support plate 13 is located at the center of the base 5. The top of base 5 is equipped with the second and compresses tightly inclined plane 51, and the bottom is equipped with locating piece 52, and two roller horizontal rolling mill body 1 passes through base 5 and installs on the base, and locating piece 52 inserts in the constant head tank of base, and locating piece 52 and constant head tank realize the location of two roller horizontal rolling mill body 1, guarantee the accuracy of position, make things convenient for follow-up locking pneumatic cylinder 2 to lock two roller horizontal rolling mill body 1. The four locking hydraulic cylinders 2 are respectively positioned on two sides of the two-roll horizontal rolling mill body 1 and are arranged opposite to the base 5. The first inclined plane 22 that compresses tightly sets up with the second inclined plane 51 relatively, and when locking two roller horizontal rolling mill body 1, the first inclined plane 22 that compresses tightly on the second compresses tightly inclined plane 51, and two inclined planes can eliminate the cooperation and reduce to guarantee that two roller horizontal rolling mill body 1 compresses tightly on the base, reliable and stable when two roller horizontal rolling mill body 1 rolls the reinforcing bar.
The positioning block 52 and the second pressing slope 51 are respectively located at both sides of the base 5. The positioning block 52 is far away from the locking hydraulic cylinder 2, when the two-roller horizontal rolling mill body 1 is installed on the base, the position of the positioning block 52 can be observed conveniently, the positioning block 52 is aligned with the positioning groove conveniently, the positioning block 52 can be inserted into the positioning groove accurately, and the two-roller horizontal rolling mill body 1 can be hoisted conveniently.
The bilateral symmetry of backup pad 13 is equipped with lifting hook 15, hoists when lifting hook 15 is used for changing different types of rolling mills, lifting hook 15 is located both sides and can guarantees the stress balance when hoist and mount, and hoist and mount convenience simultaneously need not install the hook that is used for hoist and mount temporarily, has improved the efficiency of changing to lifting hook 15 security that is overall structure with backup pad 13 is higher.
In some embodiments, because the rolling mill has a large working force, in order to reduce the radial force of the locking hydraulic cylinder 2, ensure the service life of the locking hydraulic cylinder 2, and reliably fix the two-roll horizontal rolling mill body 1, the base 5 is further provided with a fixing hole 53, and the fixing hole 53 is fixed on the base through a bolt. The fixing holes 53 can be selectively used, and the base 5 is fixed on the base through the fixing holes 53 without bolts under the condition that the locking hydraulic cylinder 2 can meet the requirements, so that the two-roll horizontal rolling mill body 1 is convenient to replace. The base 5 is fixed by the bolts and the fixing holes 53 only in the case where the pressure of the locking cylinder 2 is insufficient.
In some embodiments, in order to ensure a reliable connection and improve the strength and wear resistance of the inclined surface, the coupling block 3 is further included, the coupling block 3 is provided with a connecting inclined surface 32 and a third pressing inclined surface 31, the coupling block 3 is fixed on the base 5, the connecting inclined surface 32 is connected with the second pressing inclined surface 51, and the third pressing inclined surface 31 is arranged opposite to the first pressing inclined surface 22. The coupling block 3 is independently processed, is small in size and convenient to process, can be used for carrying out heat treatment on the third pressing inclined plane 31, and improves the hardness and the wear resistance of the surface, so that the service life is prolonged, and the processing difficulty of the base 5 is reduced.
In operation, the first pressing inclined surface 22 of the piston rod 21 presses against the third pressing inclined surface 31, and the two-roll horizontal rolling mill body 1 is fixed on the base.
The first pressing slope 22 and the third pressing slope 31 can effectively press the two-roller horizontal rolling mill, and facilitate the hoisting-in and hoisting-out of the two-roller horizontal rolling mill after the piston rod 21 retracts.
The cushion block 4 is connected with the locking hydraulic cylinder 2 through a long bolt, and the long bolt is positioned at one end of the piston rod 21, so that the locking hydraulic cylinder 2 is stable. The spacer 4 is used to adjust the height of the locking cylinder 2 so that the first pressing slope 22 of the piston rod 21 matches the second pressing slope 51 of the base 5 or so that the first pressing slope 22 matches the height of the third pressing slope 31 of the coupling block 3.
The backup pad 13 is located the center department of base 5, and there is base 5 both sides of backup pad 13, and locking hydraulic cylinder 2 can be fixed from arbitrary one side of backup pad 13 promptly to conveniently adjust the position of two roller horizontal rolling mills, can realize controlling the adjustment of position, thereby guarantee that the position of roll is in best operating position.
The locking hydraulic cylinder 2 is connected with a hydraulic pump station.
When the two-roll horizontal rolling mill needs to be replaced, the piston rod 21 of the locking hydraulic cylinder 2 retracts, the two-roll horizontal rolling mill body 1 is lifted out, the two-roll horizontal rolling mill of another specification is lifted in, the piston rod 21 of the locking hydraulic cylinder 2 extends out, the first pressing inclined surface 22 is pressed on the third pressing inclined surface 31, and the two-roll horizontal rolling mill is fixed on the base through the locking hydraulic cylinder 2.
The scheme changes the roller changing thought of the old rolling mill, the whole rolling mill is changed instead of the roller in the rolling mill when the roller is changed, the roller changing time and the time for processing steel piling process accidents can be greatly reduced, the labor intensity of workers during the process of beating the inclined iron is reduced, the conventional roller changing needs to be stopped for 30-40 minutes, the specification changing needs to be stopped for 130-210 minutes, the conventional roller changing only needs 10 minutes, the specification changing only needs 40 minutes, the time is reduced by 4-5 times, and the production efficiency is remarkably improved.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, which shall fall within the scope of the appended claims.
Claims (8)
1. The utility model provides a two roll horizontal rolling mill quick roll change device, includes two roll horizontal rolling mill body (1), its characterized in that still includes:
the device comprises four locking hydraulic cylinders (2), wherein the four locking hydraulic cylinders (2) are all fixed on a base, and a piston rod (21) of each locking hydraulic cylinder (2) is provided with a first pressing inclined plane (22); and
base (5), base (5) are fixed the bottom of two roller horizontal rolling mill body (1), and are located four angles, the top of base (5) is equipped with the second and compresses tightly inclined plane (51), two roller horizontal rolling mill body (1) is installed on the base through base (5), the first inclined plane (22) that compresses tightly of piston rod (21) compress tightly on second compresses tightly inclined plane (51), will two roller horizontal rolling mill body (1) are fixed on the base.
2. A rapid roll change device for a two roll horizontal rolling mill according to claim 1 wherein the pedestals (5) are symmetrically disposed on both sides of the support plate (13) of the two roll horizontal rolling mill.
3. A rapid roll changing device for a two-roll horizontal rolling mill according to claim 1, wherein a positioning block (52) is provided at the bottom of the base (5), and the positioning block (52) is disposed opposite to the positioning groove on the base.
4. A rapid roll change device for a two roll horizontal rolling mill according to claim 3 wherein the locating block (52) and the second pressing ramp (51) are located on either side of the base (5).
5. A rapid roll change device for a two roll horizontal rolling mill according to claim 1 wherein the base (5) is further provided with a fixing hole (53).
6. A rapid roll change device of a two-roll horizontal rolling mill according to claim 1, characterized in that the two sides of the two-roll horizontal rolling mill body (1) are symmetrically provided with lifting hooks (15).
7. A rapid roll change device for a two roll horizontal rolling mill according to any one of claims 1 to 6, further comprising a coupling block (3), wherein the coupling block (3) is provided with a connecting inclined surface (32) and a third pressing inclined surface (31), the coupling block (3) is fixed on the base (5), the connecting inclined surface (32) is connected with the second pressing inclined surface (51), and the third pressing inclined surface (31) is opposite to the first pressing inclined surface (22).
8. A rapid roll change device for a two-roll horizontal rolling mill according to any one of claims 1 to 6, further comprising a spacer block (4), wherein the spacer block (4) is fixed at the bottom of the locking hydraulic cylinder (2) and is connected with the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220816630.6U CN216937702U (en) | 2022-04-11 | 2022-04-11 | Rapid roll changing device of two-roll horizontal rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220816630.6U CN216937702U (en) | 2022-04-11 | 2022-04-11 | Rapid roll changing device of two-roll horizontal rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216937702U true CN216937702U (en) | 2022-07-12 |
Family
ID=82300479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220816630.6U Active CN216937702U (en) | 2022-04-11 | 2022-04-11 | Rapid roll changing device of two-roll horizontal rolling mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216937702U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116422740A (en) * | 2023-06-14 | 2023-07-14 | 博瑞孚曼机械科技(苏州)有限公司 | Tool capable of changing space between housing and cold roll rolling equipment |
-
2022
- 2022-04-11 CN CN202220816630.6U patent/CN216937702U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116422740A (en) * | 2023-06-14 | 2023-07-14 | 博瑞孚曼机械科技(苏州)有限公司 | Tool capable of changing space between housing and cold roll rolling equipment |
| CN116422740B (en) * | 2023-06-14 | 2023-09-08 | 博瑞孚曼机械科技(苏州)有限公司 | Tool capable of changing space between housing and cold roll rolling equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216937702U (en) | Rapid roll changing device of two-roll horizontal rolling mill | |
| CN204747073U (en) | Conveyor is changed to slab band rolling mill AGC pneumatic cylinder | |
| CN102335677A (en) | Quick replacement device and replacement method for stand roller of heavy plate mill | |
| CN213263509U (en) | U-shaped support tool for steel pipe pile transportation | |
| CN210480748U (en) | Wedge cross rolling intermediate frequency material loading hydraulic lifting platform | |
| CN211169520U (en) | Device is changed to rolling mill backing roll | |
| CN210231050U (en) | Installation tool for lower pinch roll of hot rolling coiler | |
| CN213256877U (en) | Forging equipment with high forging uniformity | |
| CN212050184U (en) | Lifting rod adjusting and lifting tool for elevation alignment of water cooled wall | |
| CN218538949U (en) | Steam turbine rotor hoist and mount combination fastener | |
| CN209716312U (en) | A kind of spring forging apparatus | |
| CN217990441U (en) | Crystallizer copper pipe stretching female die | |
| CN218424797U (en) | Hydraulic locking anti-shifting device of rolling mill | |
| CN218487671U (en) | Quick dismounting device of straightener roller system bearing | |
| CN214556704U (en) | Can dismantle steel sheet press lower mould | |
| CN211230401U (en) | Rail type deviation adjusting device for beam-pumping unit | |
| CN111717786B (en) | Hoisting device for replacing vertical roller of hot-rolled plate roughing mill | |
| CN211193727U (en) | Door type mechanical shaft dismounting device | |
| CN214423362U (en) | 800 ton super-tonnage anchor rod static pressure pile frame | |
| CN217165829U (en) | Novel hot continuous rolling finish rolling descaling box pinch roll device | |
| CN212792414U (en) | Auxiliary tool for replacing rack roller | |
| CN217453758U (en) | Convenient disassembling tool for pressing spherical pad of rolling mill | |
| CN217307431U (en) | Motor supporting device | |
| CN211110602U (en) | Lifting tool for mounting track of lifting equipment of nuclear power station | |
| CN217947423U (en) | Balance lifting appliance for replacing bearing seat of drying roller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |