CN210118308U - Seal end cover for moving block of finishing mill - Google Patents
Seal end cover for moving block of finishing mill Download PDFInfo
- Publication number
- CN210118308U CN210118308U CN201920600479.0U CN201920600479U CN210118308U CN 210118308 U CN210118308 U CN 210118308U CN 201920600479 U CN201920600479 U CN 201920600479U CN 210118308 U CN210118308 U CN 210118308U
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- China
- Prior art keywords
- seal
- moving block
- cover
- piston rod
- transparent cover
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- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 claims abstract description 31
- 239000010865 sewage Substances 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000843 powder Substances 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 25
- 238000005457 optimization Methods 0.000 description 9
- 239000012535 impurity Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000013000 roll bending Methods 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a finishing mill movable block end cover relates to steel sheet finish rolling equipment technical field, including passing through lid, anticollision ring, first guidance tape and oil blanket, be equipped with the drain that radially link up along anticollision ring on the outer terminal surface of anticollision ring, the oil blanket is located between guidance tape and the anticollision ring. The utility model provides a finishing mill movable block end cover, can effectually prevent the cylinder of bending roll pneumatic cylinder and the wearing and tearing of piston rod through the first direction area of setting on covering thoroughly, the setting of anticollision ring then can protect the dead head of bending roll pneumatic cylinder piston rod tip, improve its life, debris such as iron oxide powder that the drain that sets up on the anticollision ring is convenient for discharge steel rolling in-process and produces, avoid debris to pile up in bending roll pneumatic cylinder piston rod department, cause the damage on piston rod surface, so the device can effectively improve the sealed effect of bending roll pneumatic cylinder, reduce oil leak and hot downtime, increase the protection to piston rod tip simultaneously, improve piston rod life.
Description
Technical Field
The utility model belongs to the technical field of the steel sheet finish rolling equipment, more specifically say, relate to a finishing mill movable block end cover.
Background
At present, a hot rolling mill finishing mill bending system mostly adopts a moving block form. The four hydraulic cylinders are arranged on the same moving block, and the roll bending hydraulic cylinders of the moving block are used for adjusting roll gaps, so that the roll bending and roll shifting effects are achieved. In the actual use process, the oil leakage phenomenon frequently occurs due to poor sealing of the roller bending hydraulic cylinder, so that a large amount of oil is wasted, and the oil leakage point is not easy to find and treat in a steel rolling state, so that long-time hot shutdown is caused. In addition, the oil leakage problem also causes the service time of the roller bending hydraulic cylinder to be shortened, the consumption of a piston rod and a transparent cover of the hydraulic cylinder is serious, and frequent overhaul and replacement are required.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a finishing mill movable block end cover to the easy oil leak of the bending roll pneumatic cylinder that exists among the solution prior art causes the technical problem that hot shut down and pneumatic cylinder life-span shorten.
In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a finishing mill movable block end cover, include with the movable block can dismantle be connected and be used for with the output sliding fit's of bending roll pneumatic cylinder through the lid, set up on the outer terminal surface of passing through the lid and the axis coincides with the axis of passing through the lid, be equipped with the drain that radially link up along the anticollision ring on the outer terminal surface of anticollision ring, set up along circumference and set up the first guidance tape on the inner wall of passing through the lid near the one end of movable block and along circumference and set up the oil blanket on the inner wall of passing through the lid, the outer terminal surface of anticollision ring sets up and is equipped with the drain that radially link up along the anticollision ring outward in the outer terminal surface of passing through the lid, the oil blanket is located between first guidance tape and.
As a further optimization, the device also comprises a second guide belt arranged between the first guide belt and the oil seal.
As a further optimization, a steiner is further disposed on the inner wall of the transparent cover 100 and located between the first guide strip and the second guide strip, and the distance between the first guide strip and the steiner is equal to the distance between the second guide strip and the steiner.
As a further optimization, the sewage draining outlet is horizontally arranged towards one side of the working roll bearing seat.
As further optimization, the seal end cover of the moving block of the finishing mill also comprises a dust seal arranged at the outer end of the oil seal.
As a further optimization, the device further comprises a jackscrew in threaded connection with the transparent cover, and the inner end of the jackscrew is abutted against the moving block.
As a further optimization, the number of the jackscrews is two, the two jackscrews are uniformly distributed on the circumference of the transparent cover, and the outer end face of the transparent cover protrudes outwards from the outer end of the jackscrew.
As a further optimization, the transparent cover comprises a cover body and an end plate arranged at the outer end of the cover body.
As a further optimization, the transparent cover is connected with the moving block through bolts, the bolts are provided with a plurality of bolts, and the bolts are uniformly distributed in the circumferential direction of the end plate.
As a further optimization, the transparent cover further comprises a sealing ring located on the periphery of the cover body, and the cover body is provided with a groove which is arranged along the circumferential direction and is used for accommodating the sealing ring.
The utility model provides a finishing mill movable block end cover's beneficial effect lies in: the utility model provides a finishing mill movable block end cover, sealed effect of bending roll pneumatic cylinder has been guaranteed through the oil blanket that sets up on passing through the cover, first direction area can effectually prevent the cylinder of bending roll pneumatic cylinder and the wearing and tearing of piston rod, prevent the damage of impurity pair bending roll pneumatic cylinder and sealing member, good absorbed vibration's performance has, the setting of anticollision ring then can protect the dead head of bending roll pneumatic cylinder tailpiece of the piston rod portion, improve its life, debris such as the iron oxide powder that the drain that sets up on the anticollision ring is convenient for discharge steel rolling in-process and produces, avoid debris to pile up in bending roll pneumatic cylinder piston rod department, cause the damage on piston rod surface, the device can effectively improve the sealed effect of bending roll pneumatic cylinder, reduce oil leak and hot down time, increase the protection to tailpiece of the piston rod portion simultaneously, improve piston rod life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of a partial cross-sectional structure of a finishing mill moving block sealing end cover in a use state according to an embodiment of the present invention;
fig. 2 is a schematic top view of a sealing end cap of a moving block of a finishing mill according to an embodiment of the present invention;
FIG. 3 is a front cross-sectional structural schematic view of the finishing block moving block seal end cap of FIG. 1;
in the figure: 100. a transparent cover; 110. a cover body; 120. an end plate; 130. a seal ring; 200. an anti-collision ring; 210. a sewage draining outlet; 310. a first guide belt; 320. a second guide belt; 400. oil sealing; 500. carrying out dust sealing; 600. a moving block; 610. a bolt; 700. carrying out top thread; 800. performing steckel; 910. a roll bending hydraulic cylinder; 920. and a working roll bearing seat.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3 together, the seal end cap for the moving block of the finishing mill of the present invention will now be described. A sealing end cover of a finishing mill moving block 600 comprises a transparent cover 100 detachably connected with the moving block 600 and used for being in sliding fit with an output end of a bending roll hydraulic cylinder 910, an anti-collision ring 200 arranged on the outer end face of the transparent cover 100 and having an axis coincident with the axis of the transparent cover 100, a sewage discharge port 210 arranged on the outer end face of the anti-collision ring 200 and penetrating along the radial direction of the anti-collision ring 200, a first guide belt 310 arranged on the inner wall of one end, close to the moving block 600, of the transparent cover 100 along the circumferential direction, and an oil seal 400 arranged on the inner wall of the transparent cover 100 along the circumferential direction, wherein the outer end face of the anti-collision ring 200 protrudes outwards from the outer end face of the transparent cover 100 and is provided with a sewage discharge port 210 penetrating along the radial direction of the anti-collision ring 200. It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. The terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
The device is connected with the output end of the bending hydraulic cylinder 910 in a sliding mode, the fixed end of the bending hydraulic cylinder 910 is located inside the moving block 600, the output end of the bending hydraulic cylinder 910 is used for pushing the working roll bearing seat 920 above the transparent cover 100, so that the working roll bearing seat 920 can be conveniently detached and a working roll can be conveniently replaced, and the output end of the bending hydraulic cylinder 910 refers to one end of a piston rod of the bending hydraulic cylinder 910.
Compared with the prior art, the sealing end cover for the moving block of the finishing mill provided by the utility model ensures the sealing effect of the bending hydraulic cylinder 910 through the oil seal 400 arranged on the transparent cover 100, the first guide belt 310 can effectively prevent the cylinder barrel and the piston rod of the bending hydraulic cylinder 910 from being worn, and prevent the damage of impurity particles to the bending hydraulic cylinder 910 and the sealing element, and has good vibration absorption performance, the anti-collision ring 200 can effectively prevent the working roll bearing block 920 from suddenly dropping to damage the piston rod of the bending hydraulic cylinder 910, thereby prolonging the service life of the same, the arrangement of the sewage outlet 210 is convenient for discharging the impurities such as ferric oxide powder generated in the steel rolling process, and the impurities are prevented from being accumulated at the piston rod of the bending hydraulic cylinder 910 to cause the damage of the surface of the piston rod, so the sealing effect of the bending hydraulic cylinder 910 can be effectively improved by the device, the oil leakage and the hot shutdown time are reduced, and the protection, the service life of the piston rod is prolonged.
Referring to fig. 1 to 3, the seal end cap for the moving block of the finishing mill according to the present invention further includes a second guide band 320 disposed between the first guide band 310 and the oil seal 400. The combination setting of first guidance tape 310 and second guidance tape 320 can carry out the effect of dual spacing and direction in the axial of piston rod, and the effectual coaxiality of guaranteeing between cylinder and the piston rod avoids the two to take place the friction loss, can also effectual absorption vibration simultaneously, guarantees the accuracy of its action.
Referring to fig. 1 to 3, the seal end cap for the moving block of the finishing mill according to the present invention is now described, wherein a steckel seal 800 is further disposed between the first guide strip 310 and the second guide strip 320 on the inner wall of the transparent cover 100, and the distance between the first guide strip 310 and the steckel seal 800 is equal to the distance between the second guide strip 320 and the steckel seal 800. By arranging two seals, namely the steiner 800 and the oil seal 400, the piston rod of the high-frequency-action bending roller hydraulic cylinder 910 can be effectively sealed, so that the oil leakage probability of the periphery of the piston rod is greatly reduced. The steiner 800 is generally formed by combining an O-ring made of rubber and a teflon ring, wherein the O-ring is a force application element, can provide enough sealing force, has a compensation effect on the teflon ring, and is suitable for sealing between the hydraulic cylinder and the piston rod. The steiner 800 has the advantages of low friction, no creeping, small starting force, high pressure resistance, simple groove structure and the like.
Referring to fig. 1 to 3, the sealing end cap for the moving block of the finishing mill of the present invention is described, and the sewage outlet 210 is horizontally disposed toward one side of the bearing seat 920 of the work roll. When changing the working roll, can appear that working roll bearing frame 920 is blocked by movable block 600 easily, produces the condition of falling suddenly and pounding on the piston rod, and anticollision ring 200 can effectively block the falling suddenly of working roll bearing frame 920, avoids pounding the dead head of bad piston rod, improves the life of piston rod, avoids simultaneously sealing 500 because of the impaired dust that causes in lid 100 outer end and damages, reduces the oil leak probability. The opening width of the sewage outlet 210 is 1/4-3/4 of the diameter of the inner ring of the anti-collision ring 200, the arrangement form can ensure a good sewage discharge effect on one hand, and the sewage outlet 210 is suitable for being arranged on one side close to the working roll bearing seat 920, because the working roll bearing seat 920 has sufficient chip removal space in the pushing process and the subsequent replacement process, the impurity particles can be conveniently flushed out.
Referring to fig. 1 to 3, the seal cover of the finishing block moving block 600 according to the present invention is described, and further includes a dust seal 500 disposed at an outer end of the oil seal 400. The dust seal 500 is used for preventing sundries from entering the interior of the bending hydraulic cylinder 910 in the reciprocating motion process of the piston rod, and preventing the sundries from damaging the piston rod and the oil seal 400.
Referring to fig. 1 to 3, the finishing mill moving block sealing end cap according to the present invention is now described, the finishing mill moving block 600 sealing end cap further includes a jackscrew 700 screwed to the transparent cover 100, and the inner end of the jackscrew 700 abuts against the moving block 600. The jackscrew 700 sets up on the outer terminal surface of passing through lid 100, with pass through lid 100 threaded connection, through to the rotatory jackscrew 700 of the inner of passing through lid 100, realize with the movable block 600 between the butt, and then the counteraction passes through lid 100, makes pass through lid 100 to the one side removal of keeping away from the movable block 600, and then is convenient for pass through the dismantlement of lid 100, avoids directly removing from the movable block 600 and passes through the lid 100 operation degree of difficulty too big, the problem of the application of force of being not convenient for.
Referring to fig. 1 to 3, the sealing end cap for the moving block of the finishing mill according to the present invention is now described, in which two jackscrews 700 are provided, the two jackscrews 700 are uniformly arranged on the circumference of the transparent cover 100, and the outer end surface of the transparent cover 100 protrudes outward from the outer end of the jackscrew 700. The jackscrews 700 can be arranged in two, three or four forms, in this embodiment, two forms are adopted, two jackscrews 700 are arranged oppositely in the circumferential direction of the transparent cover 100, when the jackscrews 700 are rotated, the jackscrews 700 are not required to rotate to the bottom once, a small amount of one jackscrew 700 is required to rotate inwards, then the other jackscrew 700 is rotated inwards in the same amount, and then the two jackscrews 700 are sequentially rotated towards the inner side of the transparent cover 100, so that the blockage between the jackscrew 700 at the lifting side and the transparent cover 100 caused by that the end cover at the side is lifted and the end cover at the other side cannot be lifted due to the fact that the same jackscrew 700 is rotated to the bottom once is avoided, the blockage between the jackscrew 700 at the lifting side and the transparent cover 100 is not only not beneficial to simultaneously separating from the outer end face of the moving block 600 at each point in.
Referring to fig. 1 to 3, the sealing end cap for the moving block of the finishing mill according to the present invention is now described, wherein the transparent cap 100 includes a cap body 110 and an end plate 120 disposed at an outer end of the cap body 110. The lid 110 of penetrating lid 100 is used for setting up components such as first guidance tape 310, ste seals 800 and second guidance tape 320, and the inner wall setting of end plate 120 is located the dirt of outside and seals 500, can follow the windage of outside limit realization to dust, avoids dust to get into the inside wearing and tearing that cause between piston rod and the cylinder of cylinder, guarantees the reciprocal smooth and easy effect of piston rod.
Referring to fig. 1 to 3, the sealing end cap for the moving block of the finishing mill according to the present invention is described, in which the transparent cover 100 is connected to the moving block 600 by bolts 610, the bolts 610 are provided in plural, and the plural bolts 610 are uniformly arranged in the circumferential direction of the end plate 120. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The part of the end plate 120 protruding out of the cover body 110 in the circumferential direction is used for arranging bolts 610 and jackscrews 700, in order to ensure the stability of connection between the transparent cover 100 and the moving block 600, a plurality of bolts 610 are distributed in the circumferential direction of the end plate 120, the distance between two adjacent bolts 610 is equal, and the jackscrews 700 are symmetrically arranged on the end plate 120 by avoiding the positions where the bolts 610 are arranged. Be equipped with elastic gasket and flat pad in order between bolt 610 and the movable block 600, spring washer's effect is after screwing up the nut, give an elasticity of nut, the tight nut in top, make it be difficult for droing, frictional force between increase elastic gasket and the bolt 610, certain absorbing effect can also be played in elastic gasket's setting simultaneously, flat pad's setting can increase bolt 610 and pass through the area of contact between the lid 100, be convenient for disperse pressure, prevent to pass through lid 100 and go up bolt 610 and pass through the junction of lid 100 and take place to damage.
Referring to fig. 1 to 3, the seal cover for the finishing block 600 according to the present invention is further illustrated, and the seal cover for the finishing block 600 further includes a seal ring 130 located at the periphery of the cover 110, and the cover 110 is provided with a groove arranged along the circumferential direction and used for accommodating the seal ring 130. In order to ensure that the gap between the transparent cover 100 and the moving block 600 can be effectively sealed, a groove is formed in the periphery of the cover body 110, and a sealing ring 130 is arranged in the groove, in this embodiment, an O-shaped sealing ring 130 is adopted, so that the influence of dust entering the gap between the outer side of the transparent cover 100 and the moving block 600 on internal components can be effectively avoided, and the cleanness of the internal operating environment is ensured.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Finishing mill movable block end cover, its characterized in that includes:
the transparent cover (100) is detachably connected with the moving block (600) and is used for being in sliding fit with the output end of the bending roller hydraulic cylinder (910);
the anti-collision ring (200) is arranged on the outer end face of the transparent cover (100), the axis of the anti-collision ring is overlapped with the axis of the transparent cover (100), and a sewage draining outlet (210) which is communicated along the radial direction of the anti-collision ring (200) is formed in the outer end face of the anti-collision ring (200);
the first guide belt (310) is arranged on the inner wall of one end, close to the moving block (600), of the transparent cover (100) along the circumferential direction;
the oil seal (400) is arranged on the inner wall of the transparent cover (100) along the circumferential direction, and the oil seal (400) is located between the first guide belt (310) and the anti-collision ring (200).
2. The finishing block moving block seal end cap of claim 1 further including a second guide band (320) disposed between said first guide band (310) and said oil seal (400).
3. The finishing block moving block seal end cap as claimed in claim 2, characterized in that a steiner (800) between the first guide band (310) and the second guide band (320) is further provided on the inner wall of the transparent cover (100), and the distance between the first guide band (310) and the steiner (800) is equal to the distance between the second guide band (320) and the steiner (800).
4. The finishing block moving block seal end cap as claimed in claim 1 wherein the blow down outlet (210) is located horizontally towards one side of the work roll chock (920).
5. The finishing block end seal cover according to claim 1, further comprising a dust seal (500) disposed at an outer end of the oil seal (400).
6. The finishing block moving block seal end cap as claimed in claim 1 further comprising a jackscrew (700) threadedly connected to the transparent cover (100), an inner end of the jackscrew (700) abutting the moving block (600).
7. The finishing block moving block seal end cap as claimed in claim 6, characterized in that there are two of the jackscrews (700), two of the jackscrews (700) are evenly arranged on the circumference of the through cover (100), and the outer end face of the through cover (100) protrudes outward from the outer end of the jackscrew (700).
8. The finishing block moving block seal end cap as claimed in claim 1, wherein the through cap (100) comprises a cap body (110) and an end plate (120) disposed at an outer end of the cap body (110).
9. The finishing mill moving block seal end cap according to claim 8, characterized in that the transparent cover (100) and the moving block (600) are connected through bolts (610), a plurality of bolts (610) are provided, and a plurality of bolts (610) are uniformly distributed in the circumferential direction of the end plate (120).
10. The finishing block moving block end seal as claimed in claim 8, wherein the through cover (100) further comprises a seal ring (130) located at the outer periphery of the cover body (110), the cover body (110) being provided with a groove disposed circumferentially for receiving the seal ring (130).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920600479.0U CN210118308U (en) | 2019-04-28 | 2019-04-28 | Seal end cover for moving block of finishing mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920600479.0U CN210118308U (en) | 2019-04-28 | 2019-04-28 | Seal end cover for moving block of finishing mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210118308U true CN210118308U (en) | 2020-02-28 |
Family
ID=69613363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920600479.0U Expired - Fee Related CN210118308U (en) | 2019-04-28 | 2019-04-28 | Seal end cover for moving block of finishing mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210118308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030227A (en) * | 2019-04-28 | 2019-07-19 | 河钢股份有限公司承德分公司 | Finishing mill movable block end cover |
-
2019
- 2019-04-28 CN CN201920600479.0U patent/CN210118308U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030227A (en) * | 2019-04-28 | 2019-07-19 | 河钢股份有限公司承德分公司 | Finishing mill movable block end cover |
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Granted publication date: 20200228 |