CN219768189U - Fixing tool for finishing grinding roller of coal mill - Google Patents
Fixing tool for finishing grinding roller of coal mill Download PDFInfo
- Publication number
- CN219768189U CN219768189U CN202223561221.5U CN202223561221U CN219768189U CN 219768189 U CN219768189 U CN 219768189U CN 202223561221 U CN202223561221 U CN 202223561221U CN 219768189 U CN219768189 U CN 219768189U
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- Prior art keywords
- grinding roller
- cylinder
- base
- bracket
- support
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- 239000003245 coal Substances 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 28
- 230000000670 limiting effect Effects 0.000 claims description 12
- 230000008602 contraction Effects 0.000 abstract 1
- 238000004904 shortening Methods 0.000 abstract 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 22
- 235000017491 Bambusa tulda Nutrition 0.000 description 22
- 241001330002 Bambuseae Species 0.000 description 22
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 22
- 239000011425 bamboo Substances 0.000 description 22
- 230000008439 repair process Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004372 laser cladding Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model belongs to the technical field of auxiliary equipment of grinding machinery, and particularly relates to a fixing tool for finishing a grinding roller of a coal mill. The grinding machine comprises a base, a clamping mechanism and a fixing mechanism, wherein the clamping mechanism comprises a bracket, a clamping plate and a connecting piece, the bottom of the bracket is fixed on the base, the clamping plate covers the top end of the bracket, the bracket is connected with the clamping plate through the connecting piece, a grinding roller to be trimmed is sleeved outside the bracket, and the clamping plate presses the grinding roller to be trimmed on the base; the fixing mechanism is arranged in the middle of the bracket, and the fixing mechanism is propped against the inner wall of the grinding roller. The utility model can stably fix the longitudinal direction and the transverse direction of the grinding roller, and can transversely push the inside of the grinding roller by controlling the contraction of the lifting cylinder, thereby transversely fixing the grinding roller, avoiding the inconvenience of manual operation, shortening the time for loading and unloading workpieces and improving the working efficiency. The labor is saved, and the inconvenience of manual bundling is avoided.
Description
Technical Field
The utility model belongs to the technical field of auxiliary equipment of grinding machinery, and particularly relates to a fixing tool for finishing a grinding roller of a coal mill.
Background
Coal powder is needed in the blast furnace coal injection process of the iron works, and the coal powder is obtained by crushing coal blocks through a coal mill. The grinding roller in the coal mill can generate abrasion, grooves or fatigue layers and the like after long-term operation, so that the size of the produced coal powder particles can not meet the use requirement. Therefore, the surface of the grinding roller needs to be subjected to material increase and trimming through overlaying and laser cladding so as to improve the surface strength and hardness, thereby recovering the coal mill and improving the functional precision of the equipment.
In the process of finishing the grinding roller, the existing rotary workbench is required to drive the grinding roller to rotate and incline, and because the existing rotary workbench in a workshop is used for various works and is not provided with a clamp matched with the grinding roller, the grinding roller is special in shape and has a diameter of more than one meter and is heavy, various manual bundling and disassembly are required in the actual workshop operation, and the grinding roller is not provided with a mature clamp, so that the grinding roller is inconvenient and low in working efficiency. Therefore, a specific tooling is needed to stably fix the grinding roller to the rotary table.
Disclosure of Invention
The utility model provides a fixing tool for trimming a grinding roller of a coal mill, which can stably fix the grinding roller in the longitudinal direction and the transverse direction and improve the stability of the fixed grinding roller.
The utility model provides a repair coal pulverizer grinding roller is with fixed frock, includes base, fixture and fixed establishment, fixture includes support, grip block and connecting piece, the bottom of support is fixed on the base, the grip block covers the top of support, support and grip block pass through the connecting piece is connected, the grinding roller that waits to repair is overlapped outside the support, the grip block will wait to repair the grinding roller and press on the base; the fixing mechanism is arranged in the middle of the bracket, and the fixing mechanism is propped against the inner wall of the grinding roller.
Above-mentioned repair coal pulverizer grinding roller is with fixed frock, fixed establishment includes top depression bar, lift cylinder and holding ring, the bottom of holding ring is equipped with the connecting cylinder, the connecting cylinder is fixed on the base, be equipped with spacing slot hole on the support, spacing slot hole's width with the width of top depression bar matches, top depression bar passes spacing slot hole stretches out to the stand, the cylinder of lift cylinder is fixed the middle part of base, the cylinder pole of lift cylinder passes behind the holding ring, fixedly connected with articulated frame, four articulated seats have been evenly distributed at the top of articulated frame, articulated seat is circumference on the articulated frame and arranges, top depression bar is isometric, the one end of top depression bar with articulated seat is articulated, the other end is the work end, the work end supports the pressure the inner wall of grinding roller.
Above-mentioned repair coal pulverizer grinding roller is with fixed frock, the support includes four stands the stand is square on the base and arranges, every all be equipped with a fore-and-aft through-hole on the stand, run through Kong Birang spacing slot hole, the grip block includes four press plates, press plate inboard rigid coupling is the cross and distributes, be equipped with on four press plates with through-hole assorted through-hole on the stand, the connecting piece is bolt and nut, the bolt pass behind through-hole and the through-hole with nut spiro union.
Above-mentioned repair coal pulverizer grinding roller is with fixed frock still is equipped with and supports the smooth section of thick bamboo, the connecting cylinder is located support outside the smooth section of thick bamboo, support smooth section of thick bamboo is located outside the lift cylinder, the stand evenly sets up outside the connecting cylinder, support smooth section of thick bamboo includes a section of thick bamboo and a lower section of thick bamboo, it is in to go up the section of thick bamboo cover outside the lower section of thick bamboo, the cylinder and the jar pole of lift cylinder are fixed respectively the bottom of a section of thick bamboo with go up the inside of section of thick bamboo, go up the top of section of thick bamboo with the bottom rigid coupling of articulated frame.
Above-mentioned repair coal pulverizer grinding roller is with fixed frock, the top of stand passes through the connecting rod and connects into an organic wholely.
Compared with the prior art, the utility model can transversely press the inside of the grinding roller by controlling the shrinkage of the lifting cylinder, thereby transversely fixing the grinding roller, avoiding the inconvenience of manual operation, and then longitudinally fixing the grinding roller by the clamping plate, thereby stably fixing the grinding roller on a workbench and carrying out operations such as additive manufacturing, surface modification and the like. The time for loading and unloading the workpiece is shortened, and the working efficiency is improved. The labor is saved, and the inconvenience of manual bundling is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the operation of the present utility model;
FIG. 3 is a schematic top view of the articulating frame of the present utility model;
FIG. 4 is a schematic view of the internal structure of the fixing mechanism of the present utility model;
FIG. 5 is a schematic structural view of the fixing mechanism of the present utility model;
the reference symbols in the drawings indicate: 1. base, clamping plate, through hole, connecting piece, top pressure bar, lifting cylinder, supporting ring, connecting tube, limiting slot, hinge bracket, hinge seat, through hole, upper tube, lower tube, connecting rod, and upright post.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples serve to illustrate the utility model.
Referring to fig. 1 to 5, the grinding roll dressing machine comprises a base 1, a clamping mechanism and a fixing mechanism, wherein the clamping mechanism comprises a bracket, a clamping plate 2 and a connecting piece 3, the bottom of the bracket is fixed on the base 1, the clamping plate 2 covers the top end of the bracket, the bracket and the clamping plate 2 are connected through the connecting piece 3, when in operation, the grinding roll to be dressed is sleeved outside the bracket, and the clamping plate 2 can press the grinding roll to be dressed on the base 1 to fix the grinding roll longitudinally; the fixing mechanism is arranged in the middle of the bracket, and the fixing mechanism pushes against the inner wall of the grinding roller so as to prevent the grinding roller from shaking on the workbench.
The support includes four stand 13 be square arrangement on base 1, spacing hole transversely sets up on the stand 13, still all be equipped with a fore-and-aft through-hole 9 on every stand 13, the through-hole 9 dodges spacing slot hole 7, grip block 2 includes four pressing plate, pressing plate inboard rigid coupling is the cross and distributes, be equipped with on four pressing plate with through-hole 9 assorted through-hole 21 on the stand 13, connecting piece 3 is bolt and nut, the bolt pass behind through-hole 9 and the through-hole 21 with the nut spiro union. When the grinding roller to be trimmed is sleeved outside the upright post 13, the clamping plate 2 is covered on the grinding roller, the pressing plates can be pressed on the upright post 13 one by one through bolts and nuts, and then the grinding roller is pressed on the base 1 by the end parts of the pressing plates, so that the grinding roller is longitudinally fixed. Preferably, the tops of the upright posts 13 are integrally connected by a connecting rod 12, so that the stability of the upright posts 13 can be improved.
In order to ensure that the grinding roller sleeved on the support cannot generate transverse movement dislocation, the fixing mechanism is provided with a top pressing rod 4, a lifting cylinder 5 and a supporting ring 6, a connecting cylinder 61 is arranged at the bottom of the supporting ring 6, the connecting cylinder 61 is fixed on the base 1, a limiting long hole 7 is arranged on the support, the width of the limiting long hole 7 is matched with that of the top pressing rod 4, the top pressing rod 4 penetrates through the limiting long hole 7 to extend out of the upright post 13, the limiting long hole 7 is rectangular, when the top pressing rod 4 moves up and down, the top pressing rod 4 can stably move up and down along the limiting long hole 7, a cylinder barrel of the lifting cylinder 5 is fixed in the middle of the base 1, after the cylinder rod of the lifting cylinder 5 penetrates through the supporting ring 6, the connecting cylinder barrel is fixedly connected with a hinged frame 8, four hinged seats 81 are uniformly distributed at the top of the hinged frame 8, the hinged seats 81 are circumferentially arrayed on the hinged frame 8, one ends of the top pressing rod 4 are equal in length, one ends of the top pressing rod 4 are hinged with the hinged seats 81, the other ends are working ends, and the working ends are the working ends of the working ends abut against the inner walls of the grinding roller. When the lifting cylinder 5 drives the hinged frame 8 to move upwards, the working end of the pushing rod 4 sags and contracts under the action of gravity and the limiting action of the limiting long hole 7; when the lifting cylinder 5 drives the hinged frame 8 to descend, the supporting ring 6 supports the lower side of the pressing rod 4, so that the working end of the pressing rod 4 is lifted, the working end is pressed against the inner wall of the grinding roller, and the four pressing rods 4 are pressed against the circular inner wall of the grinding roller together, so that the grinding roller is transversely fixed. In order to avoid the clamping of the pressing rod 4, the end part of the pressing rod 4 is arranged in an arc shape, and meanwhile, the arc-shaped end part can also prevent the scratch of the grinding roller.
Because the volume and the weight of grinding roller are great, in order to make top depression bar 4 have the steady support, still set up and support the smooth section of thick bamboo, the connecting cylinder is located support outside the smooth section of thick bamboo, support smooth section of thick bamboo is located outside the lift cylinder 5, stand 13 evenly sets up outside the connecting cylinder, support smooth section of thick bamboo includes a section of thick bamboo 10 and a lower section of thick bamboo, it is in to go up the section of thick bamboo 10 cover outside the lower section of thick bamboo, the cylinder and the cylinder pole of lift cylinder 5 are fixed respectively the bottom of a lower section of thick bamboo with go up the inside of section of thick bamboo 10, go up the top of section of thick bamboo 10 with the bottom rigid coupling of articulated frame 8. The pressing rod 4 is supported mainly by the upper cylinder 10 and the lower cylinder. The lifting cylinder 5 can be prevented from being damaged by too much lateral force, and the stability of the pressing rod 4 is improved.
During operation, the base 1 is fixed on the rotary platform, then the grinding roller to be trimmed is sleeved outside the four upright posts 13, the grinding roller is pressed on the base 1, the lifting cylinder 5 is contracted to push the pressing rod 4 against the inner wall of the grinding roller, so that the grinding roller can be transversely fixed, then the clamping plate 2 is pressed on the upright posts 13 and fixed through bolts and nuts, the grinding roller is fixed on the base 1, and then the rotary platform can be matched with a welding machine to rotate.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (5)
1. The utility model provides a maintain fixed frock for coal pulverizer grinding roller, its characterized in that includes base (1), fixture and fixed establishment, fixture includes support, grip block (2) and connecting piece (3), the bottom of support is fixed on base (1), grip block (2) cover is in the top of support, support and grip block (2) are passed through connecting piece (3) are connected, the grinding roller that waits to maintain is in outside the support, grip block (2) are with the grinding roller that waits to maintain is pressed on base (1); the fixing mechanism is arranged in the middle of the bracket, and the fixing mechanism is propped against the inner wall of the grinding roller.
2. The fixture for finishing the grinding roller of the coal mill according to claim 1, wherein the fixing mechanism comprises a top pressing rod (4), a lifting cylinder (5) and a supporting ring (6), a connecting cylinder (61) is arranged at the bottom of the supporting ring (6), the connecting cylinder (61) is fixed on the base (1), a limiting long hole (7) is arranged on the support, the width of the limiting long hole (7) is matched with that of the top pressing rod (4), the top pressing rod (4) penetrates through the limiting long hole (7) to extend out of the upright post (13), a cylinder barrel of the lifting cylinder (5) is fixed in the middle of the base (1), a cylinder rod of the lifting cylinder (5) penetrates through the supporting ring (6) and is fixedly connected with a hinge bracket (8), four hinge seats (81) are uniformly distributed at the top of the hinge bracket (8), the hinge seats (81) are circumferentially arranged on the hinge bracket (8), one ends of the top pressing rod (4) are equal in length, and one end of the top pressing rod (4) is hinged with the hinge seat (81) and the other end is a working end.
3. The fixture for finishing the grinding roller of the coal mill according to claim 2, wherein the support comprises four upright posts (13), the upright posts (13) are arranged in a square shape on the base (1), each upright post (13) is provided with a longitudinal through hole (9), the through holes (9) are avoided in the limiting long holes (7), the clamping plate (2) comprises four pressing plates, the inner sides of the pressing plates are fixedly connected in a cross shape, through holes (21) matched with the through holes (9) in the upright posts (13) are formed in the four pressing plates, the connecting piece (3) is a bolt and a nut, and the bolt is in threaded connection with the nut after passing through the through holes (9) and the through holes (21).
4. The fixture for finishing the grinding roller of the coal mill according to claim 3, further comprising a supporting slide cylinder, wherein the supporting slide cylinder is positioned outside the lifting cylinder (5), the stand columns (13) are uniformly arranged outside the supporting slide cylinder, the supporting slide cylinder comprises an upper cylinder (10) and a lower cylinder, the upper cylinder (10) is sleeved outside the lower cylinder, a cylinder barrel and a cylinder rod of the lifting cylinder (5) are respectively fixed at the bottom of the lower cylinder and the inside of the upper cylinder (10), and the top of the upper cylinder (10) is fixedly connected with the bottom of the hinged frame (8).
5. The fixture for finishing a grinding roller of a coal mill according to claim 4, characterized in that the tops of the upright posts (13) are connected into a whole by connecting rods (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223561221.5U CN219768189U (en) | 2022-12-30 | 2022-12-30 | Fixing tool for finishing grinding roller of coal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223561221.5U CN219768189U (en) | 2022-12-30 | 2022-12-30 | Fixing tool for finishing grinding roller of coal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219768189U true CN219768189U (en) | 2023-09-29 |
Family
ID=88131354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223561221.5U Active CN219768189U (en) | 2022-12-30 | 2022-12-30 | Fixing tool for finishing grinding roller of coal mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219768189U (en) |
-
2022
- 2022-12-30 CN CN202223561221.5U patent/CN219768189U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |