CN112975610B - Grinding wheel turning device for roll grinder - Google Patents
Grinding wheel turning device for roll grinder Download PDFInfo
- Publication number
- CN112975610B CN112975610B CN201911281764.1A CN201911281764A CN112975610B CN 112975610 B CN112975610 B CN 112975610B CN 201911281764 A CN201911281764 A CN 201911281764A CN 112975610 B CN112975610 B CN 112975610B
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- China
- Prior art keywords
- grinding wheel
- shaped support
- hole
- rotating shaft
- handle
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- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims 6
- 238000000034 method Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 201000006474 Brain Ischemia Diseases 0.000 description 1
- 206010008120 Cerebral ischaemia Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 206010008118 cerebral infarction Diseases 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/16—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding peculiarly surfaces, e.g. bulged
- B24B5/167—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding peculiarly surfaces, e.g. bulged for rolls with large curvature radius, e.g. mill rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B45/00—Means for securing grinding wheels on rotary arbors
- B24B45/006—Quick mount and release means for disc-like wheels, e.g. on power tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a grinding wheel turning device for a roll grinder, which is characterized in that an H-shaped support of the device is located on a base, bearing seats are arranged at the top ends of upright posts on two sides of the H-shaped support, a rotating shaft is arranged on the bearing seats, a turning handle is arranged on the outer side of the upright post of the H-shaped support, the top ends of the turning handle are connected with the rotating shaft, a positioning plate is arranged on the rotating shaft and is adjacent to the inner side of the upright post of the H-shaped support, pin holes are longitudinally and transversely arranged on the positioning plate, counter bores matched with the pin holes in position are formed in the inner side of the upright post of the H-shaped support, a first positioning pin is inserted into the pin holes of the positioning plate and the counter bores, a turning platform is arranged on the rotating shaft, a baffle is arranged on the bottom edge of the turning platform, a connecting rod is arranged on the top edge of the turning platform, a through hole is formed in the bottom edge of an L-shaped clamping groove and is sleeved into the connecting rod, a screw hole is formed in the wall of the through hole, a screw at the end of the positioning handle is screwed into the screw hole to fix the position of the L-shaped clamping groove at the connecting rod. The device reduces the labor intensity of workers when the grinding wheel is replaced, improves the replacement operation efficiency, eliminates the potential safety hazard of the overturning operation of the grinding wheel, and ensures the replacement quality of the grinding wheel of the roll grinder.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a grinding wheel turning device for a roll grinder.
Background
At present, in a grinding roll room for hot rolling, cold rolling and colored plate processing, a roll grinder is needed to mechanically process a roll, a processing cutter of the roll grinder is a grinding wheel, the size of the grinding wheel is large, the weight of the grinding wheel is 80-100 jin or more, the grinding wheel is rolled by people at present, the grinding wheel is disassembled by adopting manpower to overturn the grinding wheel, a flange plate of the grinding wheel is disassembled together in a manual carrying mode, workers squat on the ground in the whole process, remove screws one by one, replace worn old small grinding wheels, install new large grinding wheels, finally lift the large grinding wheels from a horizontal position to a standing position by combining force of a plurality of people, use special grinding wheel lifting tools to hook the flange of the grinding wheel to lift the grinding wheel, and finally install the grinding wheel on a main shaft of the grinding machine.
In the mechanical processing of a roll grinder on a roll, the grinding wheel of the roll grinder needs to be replaced in the shortest days, the replacement of the grinding wheel is always the most painful for a grinder, and because the grinding wheel needs to be manually rolled from a storage position to a grinding machine position, workers are all squatting on the ground in the whole grinding wheel disassembling process, so that the efficiency is low and the labor intensity is high; the most dangerous is that after the new grinding wheel is installed, the grinding wheel can be turned over from the horizontal position to the vertical position by combining force of multiple people, and the grinding wheel can be hoisted by adopting a special lifting appliance.
Disclosure of Invention
The invention aims to solve the technical problem of providing the grinding wheel turning device for the roll grinder, which overcomes the defect of the traditional roll grinder grinding wheel replacement operation, greatly reduces the labor intensity of workers when the grinding wheel is replaced, improves the replacement operation efficiency, eliminates the potential safety hazard of the grinding wheel turning operation, and ensures the quality of the roll grinder grinding wheel replacement.
In order to solve the technical problems, the grinding wheel turning device for the roll grinder comprises a base, an H-shaped support, a bearing seat, a rotating shaft, a turning platform, a turning handle, a positioning plate, a first positioning pin, a connecting rod, an L-shaped clamping groove, a positioning handle and a baffle, wherein two upright posts on two sides of the H-shaped support are arranged on the top surface of the base, the bearing seat is arranged on the top ends of the upright posts on two sides of the H-shaped support, two ends of the rotating shaft are arranged on the bearing seat, the turning handle is arranged on the outer side of the upright post on one side of the H-shaped support and is connected with the end part of the rotating shaft, the positioning plate is fixedly arranged on the rotating shaft and is adjacent to the inner side of the upright post on one side of the H-shaped support, pin holes are respectively formed in the longitudinal direction and the transverse direction, the inner side of the upright post on one side of the H-shaped support is provided with a counter bore matched with the pin hole positions, the first positioning pin is inserted into the longitudinal or transverse pin holes of the positioning plate and the counter bore, the turning platform is centrally arranged on the rotating shaft, the baffle is arranged on the bottom edge of the upright post on the two sides of the H-shaped support, the turning platform is vertically arranged, the through hole is arranged on the top edge of the turning platform, the through hole is sleeved, the through hole is arranged, and the handle is fixedly sleeved on the side and the handle is provided with the screw hole.
Further, the device also comprises a second locating pin, the overturning handle is provided with a through hole, the outer side of the upright post on one side of the H-shaped bracket and the position of the through hole of the overturning handle are correspondingly provided with counter bores, and the second locating pin is inserted into the through hole of the overturning handle and the counter bore on the outer side of the upright post on one side of the H-shaped bracket.
Further, the device also comprises a rubber pad, and the rubber pad is arranged on the inner wall of the notch of the L-shaped clamping groove through a screw.
Further, the device also comprises reinforcing rib plates, wherein the reinforcing rib plates are respectively arranged between the upright posts at two sides of the H-shaped support and the base.
The grinding wheel turning device for the roll grinder adopts the technical scheme that an H-shaped support of the device is located on a base, a bearing seat is arranged at the top ends of upright posts on two sides of the H-shaped support, a rotating shaft is arranged on the bearing seat, a turning handle is arranged on the outer side of the upright post on one side of the H-shaped support and is connected with the rotating shaft at the top end, a positioning plate is arranged on the rotating shaft and is adjacent to the inner side of the upright post of the H-shaped support, a pin hole is longitudinally and transversely arranged on the positioning plate, a counter bore matched with the pin hole is formed in the inner side of the upright post of the H-shaped support, a first positioning pin is inserted into the pin hole and the counter bore of the positioning plate, a turning platform is arranged on the rotating shaft, a baffle is arranged on the bottom edge of the turning platform, a connecting rod is arranged on the top edge of the turning platform, a through hole is formed in the bottom edge of the L-shaped clamping groove and is sleeved with the connecting rod, a screw hole is formed in the end of the positioning handle, and the screw is screwed at the position of the connecting rod. The device overcomes the defect of the traditional roll grinder grinding wheel replacement operation, greatly lightens the labor intensity of workers when the grinding wheel is replaced, improves the replacement operation efficiency, eliminates the potential safety hazard of the grinding wheel overturning operation, and ensures the quality of the roll grinder grinding wheel replacement.
Drawings
The invention is described in further detail below with reference to the attached drawings and embodiments:
FIG. 1 is a schematic view of a grinding wheel turning device for a roll grinder according to the present invention;
Fig. 2 is a schematic structural diagram of the device with the overturning platform overturned to a horizontal position.
Detailed Description
The embodiment is shown in fig. 1 and 2, the grinding wheel turning device for the roll grinder comprises a base 1, an H-shaped support 2, a bearing seat 3, a rotating shaft 4, a turning platform 5, a turning handle 6, a positioning plate 7, a first positioning pin 71, a connecting rod 8, an L-shaped clamping groove 9, a positioning handle 10 and a baffle 11, wherein the two upright posts 21 and 22 on the two sides of the H-shaped support 2 are arranged on the top surface of the base 1, the bearing seat 3 is arranged on the top ends of the upright posts 21 and 22 on the two sides of the H-shaped support 2, the two ends of the rotating shaft 4 are arranged on the bearing seat 3, the turning handle 6 is arranged on the outer side of the upright post 22 on one side of the H-shaped support 2 and connected with the end part of the rotating shaft 4, the positioning plate 7 is fixedly arranged on the rotating shaft 4 and is adjacent to the inner side of the upright post 22 on one side of the H-shaped support 2, the positioning plate 7 is longitudinally and transversely provided with a pin hole, the inner side of the upright post 22 on one side of the H-shaped support 2 is provided with a counter bore matched with the pin hole position, the first positioning pin 71 is inserted into the longitudinal or transverse pin hole of the positioning plate 7 and the counter bore 5 is centrally arranged on the top side of the upright post 22, the rotating shaft 4 is connected with the screw hole 4, the top edge 8 is connected with the end part of the connecting rod 8, the screw rod is sleeved with the positioning rod 10, the screw rod is sleeved with the end part of the positioning plate 9, the screw rod is provided with the screw rod 10, the screw rod is sleeved with the screw rod is provided with the screw rod 9, the end part is provided with the screw rod 9, and the positioning rod is provided with the end part is provided with the screw rod 10. Figure 1 shows the flip platform in two states, a horizontal and a vertical position.
Preferably, the device further comprises a second positioning pin 13, the turning handle 6 is provided with a through hole, a counter bore is formed in the outer side of the upright post 22 on one side of the H-shaped support 2 and corresponds to the through hole of the turning handle 6, and the second positioning pin 13 is inserted into the through hole of the turning handle 6 and the counter bore in the outer side of the upright post 22 on one side of the H-shaped support 2. The second locating pin and the first locating pin can be matched for use, so that the overturning position of the overturning platform is ensured, and the safety of the overturning operation of the grinding wheel is ensured.
Preferably, the device further comprises a rubber pad 91, wherein the rubber pad 91 is arranged on the inner wall of the notch of the L-shaped clamping groove 9 through a screw 92. When the notch of the L-shaped clamping groove is clamped into the grinding wheel, the rubber pad abuts against the surface of the grinding wheel, so that the grinding wheel is protected to a certain extent.
Preferably, the device further comprises reinforcing ribs 23, and the reinforcing ribs 23 are respectively arranged between the upright posts 21 and 22 on two sides of the H-shaped bracket 2 and the base 1. The reinforcing rib plate is used for improving the rigidity of the H-shaped support and ensuring the structural stability of the whole device.
When the roll grinder is used for grinding wheel disassembly and assembly, the device is moved to the vicinity of the grinding wheel, the rotating shaft 4 is driven to rotate by the overturning handle 6, so that the overturning platform 5 is overturned to a vertical position, the first positioning pin 71 and/or the second positioning pin 13 are inserted to fix the position of the overturning platform 5, the positioning handle 10 is loosened, the L-shaped clamping groove 9 is rotated to the back of the overturning platform 5, and interference when the grinding wheel 14 is placed on the overturning platform 5 is avoided; at this time, the old grinding wheel 14 of the roll grinder is detached from the main shaft of the roll grinder along with the grinding wheel flange 15, the old grinding wheel 14 is hoisted to the overturning platform 5 along with the grinding wheel flange 15 through a crane, the bottom end of the grinding wheel 14 is placed on the baffle 11, the L-shaped clamping groove 9 is rotated to the front surface of the overturning platform 5, the notch is clamped into the top end of the grinding wheel 14, the rubber pad 91 in the notch is abutted to the surface of the grinding wheel 14, and the position of the L-shaped clamping groove 9 is fixed through the positioning handle 10, so that the grinding wheel 14 and the grinding wheel flange 15 can be fixed on the overturning platform 5; the first locating pin 71 and/or the second locating pin 13 are pulled out, the rotating shaft 4 is driven to rotate through the overturning handle 6, the overturning platform 5 is overturned to the horizontal position, the first locating pin 71 and/or the second locating pin 13 are inserted again to fix the position of the overturning platform 5, at the moment, the grinding wheel 14 and the grinding wheel flange 15 are positioned at the horizontal position, workers can stand to detach the grinding wheel 14 and the grinding wheel flange 15 one by one, the L-shaped clamping groove 9 is rotated to the back of the overturning platform 5 again, and then the old grinding wheel can be lifted off from the overturning platform 5 through a crane by adopting a clamp type clamp. And then hoisting the new grinding wheel to the overturning platform 5 through a crane, executing the opposite operation process, and finally overturning the grinding wheel 14 and the grinding wheel flange 15 to the vertical position together through the overturning platform 5, wherein the grinding wheel 14 and the grinding wheel flange 15 at the vertical position can be installed to the main shaft of the roll grinder through the crane and the clamp type clamp.
The device effectively solves the two problems of the traditional roll grinder that a worker needs to squat and overturn the grinding wheel during the grinding wheel disassembly operation, the squat operation is easy to cause cerebral ischemia and inconvenient to operate, the grinding wheel flange is disassembled by standing by the device, the grinding wheel overturn is the biggest potential safety hazard in the whole grinding wheel replacement operation process, because the most dangerous action in the whole process is that the grinding wheel is overturned from the horizontal state to the vertical state, the most effort and the state are easy to run away, the overturning platform of the device can conveniently realize the grinding wheel overturn, the potential safety hazard is avoided, the labor intensity of the worker when the grinding wheel is replaced is greatly reduced, and the overturning and disassembly operation of the hundred jin of grinding wheel flange assemblies can be completed by one person originally.
The device has the advantages of relatively simple structure, low manufacturing cost and convenient positioning of the grinding wheel, and effectively improves the efficiency of the grinding wheel disassembly and replacement operation, thereby reducing the waiting time of the roll grinder and improving the service efficiency of the roll grinder.
Claims (3)
1. A grinding wheel turning device for roll grinder, its characterized in that: the device comprises a base, an H-shaped support, a bearing seat, a rotating shaft, a turnover platform, a turnover handle, a positioning plate, a first positioning pin, a connecting rod, an L-shaped clamping groove, a positioning handle and a baffle, wherein the upright posts on two sides of the H-shaped support are arranged on the top surface of the base, the bearing seat is arranged on the top ends of the upright posts on two sides of the H-shaped support, the two ends of the rotating shaft are arranged on the bearing seat, the turnover handle is arranged on the outer side of the upright post on one side of the H-shaped support and connected with the end part of the rotating shaft, the positioning plate is fixedly arranged on the rotating shaft and is adjacent to the inner side of the upright post on one side of the H-shaped support, the positioning plate is longitudinally and transversely provided with pin holes respectively, the inner side of the upright post on one side of the H-shaped support is provided with a counter bore matched with the pin hole position, the first positioning pin is inserted into the pin hole of the positioning plate and the counter bore, the turnover platform is centrally arranged on the rotating shaft, the baffle is arranged on the bottom edge of the turnover platform, the connecting rod is vertically arranged on the top edge of the turnover platform, the bottom edge of the L-shaped clamping groove is provided with a through hole and is sleeved with the connecting rod, the through hole, the wall of the screw hole is provided with the screw hole, the end part of the positioning handle is respectively provided with a screw hole, and the screw bolt.
2. The wheel turning device for roll grinding machine according to claim 1, wherein: the device also comprises a second locating pin, the overturning handle is provided with a through hole, the outer side of the upright post on one side of the H-shaped bracket and the position of the through hole of the overturning handle are correspondingly provided with counter bores, and the second locating pin is inserted into the through hole of the overturning handle and the counter bore on the outer side of the upright post on one side of the H-shaped bracket.
3. The wheel turning device for roll grinding machines according to claim 1 or 2, characterized in that: the device also comprises reinforcing rib plates which are respectively arranged between the upright posts on two sides of the H-shaped support and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911281764.1A CN112975610B (en) | 2019-12-13 | 2019-12-13 | Grinding wheel turning device for roll grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911281764.1A CN112975610B (en) | 2019-12-13 | 2019-12-13 | Grinding wheel turning device for roll grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112975610A CN112975610A (en) | 2021-06-18 |
| CN112975610B true CN112975610B (en) | 2024-05-03 |
Family
ID=76332303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911281764.1A Active CN112975610B (en) | 2019-12-13 | 2019-12-13 | Grinding wheel turning device for roll grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112975610B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29609814U1 (en) * | 1996-06-03 | 1996-08-22 | Terwort Roland | Tensioning device |
| KR20100103921A (en) * | 2009-03-16 | 2010-09-29 | 영남대학교 산학협력단 | Device for polishing a die |
| CN102240882A (en) * | 2011-06-15 | 2011-11-16 | 长治清华机械厂 | Welding turnover device |
| CN202716126U (en) * | 2012-08-30 | 2013-02-06 | 攀钢集团攀枝花钢钒有限公司 | Grinding wheel turning device for roll grinder |
| CN204673273U (en) * | 2015-06-10 | 2015-09-30 | 安徽江淮汽车股份有限公司 | A kind of lower box body turning device |
| CN205950181U (en) * | 2016-07-14 | 2017-02-15 | 西安威科多机电设备有限公司 | A upset frock for assembly of finishing mill group roll -box |
| CN208787853U (en) * | 2018-09-25 | 2019-04-26 | 阪神机器（徐州）有限公司 | Welding overturning tooling |
-
2019
- 2019-12-13 CN CN201911281764.1A patent/CN112975610B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29609814U1 (en) * | 1996-06-03 | 1996-08-22 | Terwort Roland | Tensioning device |
| KR20100103921A (en) * | 2009-03-16 | 2010-09-29 | 영남대학교 산학협력단 | Device for polishing a die |
| CN102240882A (en) * | 2011-06-15 | 2011-11-16 | 长治清华机械厂 | Welding turnover device |
| CN202716126U (en) * | 2012-08-30 | 2013-02-06 | 攀钢集团攀枝花钢钒有限公司 | Grinding wheel turning device for roll grinder |
| CN204673273U (en) * | 2015-06-10 | 2015-09-30 | 安徽江淮汽车股份有限公司 | A kind of lower box body turning device |
| CN205950181U (en) * | 2016-07-14 | 2017-02-15 | 西安威科多机电设备有限公司 | A upset frock for assembly of finishing mill group roll -box |
| CN208787853U (en) * | 2018-09-25 | 2019-04-26 | 阪神机器（徐州）有限公司 | Welding overturning tooling |
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| Publication number | Publication date |
|---|---|
| CN112975610A (en) | 2021-06-18 |
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