CN111054758B - Locking device for main machine frame of pipe mill - Google Patents
Locking device for main machine frame of pipe mill Download PDFInfo
- Publication number
- CN111054758B CN111054758B CN201911373043.3A CN201911373043A CN111054758B CN 111054758 B CN111054758 B CN 111054758B CN 201911373043 A CN201911373043 A CN 201911373043A CN 111054758 B CN111054758 B CN 111054758B
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- Prior art keywords
- wedge
- hole
- pull rod
- cover
- hydraulic cylinder
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- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000005096 rolling process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
- B21B31/06—Fastening stands or frames to foundation, e.g. to the sole plate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The invention discloses a locking device for a stand of a main machine of a pipe mill, which comprises a pull rod, a pin shaft, a stand and a cover, wherein a second stepped hole is formed in the cover, the pull rod is arranged in the second stepped hole, the stand is arranged below the cover, a first stepped hole and a second slotted hole are formed in the stand, the axis of the first stepped hole is perpendicular to the axis of the second slotted hole, and the axis of the second slotted hole and the axis of the second stepped hole are on the same axis. According to the invention, the hydraulic cylinder drives the first wedge block to slide on the upper surface of the second wedge block and applies downward pressure to the second wedge block, so that the cover is subjected to downward acting force, and the pin shaft drives the machine base to integrally move upwards by applying upward pulling force to the pull rod, so that the cover and the machine base are locked, the diameter and the appearance of a rolled steel pipe are ensured, and the quality of products is improved.
Description
Technical Field
The invention belongs to the technical field of pipe mills, and particularly relates to a locking device for a main machine frame of a pipe mill.
Background
The tube mill is a process device for hot rolling a tube blank by utilizing rollers, has good cogging performance, can roll non-ferrous metal seamless tubes with common precision, is mainly applied to seamless steel tube production, and realizes rolling of the steel tube by a tube mill host.
Because the steel pipe can produce great vibrations at rolling in-process, the junction of lid and frame takes place not hard up easily, will influence the rolling position of guide disc, and traditional fixed mode generally adopts the pull rod to connect, fixes with the round pin axle, and this kind of mode can not make the frame lock completely, and takes place not hard up easily, influences the diameter and the appearance of rolling steel pipe to the quality of product has been reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a locking device for a main frame of a pipe mill, which is characterized in that a hydraulic cylinder drives a first wedge block to slide on the upper surface of a second wedge block and applies downward pressure to the second wedge block, so that a machine cover is subjected to downward acting force, and a pin shaft drives a machine base to integrally move upwards by applying upward pulling force to a pull rod, so that the machine cover and the machine base are locked, the diameter and the appearance of a rolled steel pipe are ensured, and the quality of products is improved.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The utility model provides a be used for pipe mill host computer frame locking device, including pull rod, first wedge, second wedge, stop washer, pneumatic cylinder, waist axle bed, round pin axle, frame, machine cover, the inside second stepped hole that is equipped with of machine cover, stop washer sets up in second stepped hole top, stop washer is round platform form and the middle part has seted up first slotted hole, the bottom of stop washer is located second stepped hole, the pull rod passes first slotted hole and sets up in second stepped hole, and pull rod upper portion is equipped with first through-hole, second wedge sets up in first through-hole, and second wedge bottom is located stop washer first slotted hole, waist axle bed sets up in one side of pull rod, the pneumatic cylinder sets up on waist axle bed, and the pneumatic cylinder both sides are connected through pivot and waist axle bed rotation, first wedge sets up in the pneumatic cylinder movable rod tip, and first wedge is located second wedge top, and first wedge can slide along second stepped hole upper surface under the drive of pneumatic cylinder, the frame sets up in the machine cover below, the pull rod passes first slotted hole sets up in second stepped hole, and second slotted hole, second slotted hole and second axial line are located in the second stepped hole, the second slotted hole extends to the second axial line is located in the second tapered hole, the second slotted hole is located the second axial line is located to the second axial line is continued to the second axial line, the upper end is located in the second tapered hole, the axial line is connected to the second wedge is located in the second wedge, the axial line is located in the second wedge top end up to the second axial line and is continued to be extended to the axial stop plate, the hydraulic cylinder applies downward pressure to the second wedge block through the rotating shaft on the waist shaft seat, and the second wedge block sequentially transmits the pressure to the stop gasket and the cover after receiving the pressure, so that the cover receives downward acting force, the pin shaft drives the machine seat to integrally move upwards through applying upward pulling force to the pull rod, the machine cover and the machine seat are locked, the hydraulic cylinder contracts to drive the first wedge block to be separated from the second wedge block, and the cover and the machine seat are in a natural state to realize the unlocking function.
Preferably, the waist shaft seat is fixed to the top end of the machine cover through the locking bolt, the stop blocks are arranged on two sides of the waist shaft seat and welded to the top end of the machine cover, and the waist shaft seat is fixed through the locking bolt and the stop blocks at the same time, so that the phenomenon of activity of the waist shaft seat is prevented, and the working stability of the waist shaft seat is ensured.
Preferably, the end part of the movable rod of the hydraulic cylinder is provided with a convex block, one end of the first wedge block, which is close to the hydraulic cylinder, is provided with a groove matched with the convex block, and the contact area between the hydraulic cylinder and the first wedge block is increased through the matching of the convex block and the groove, so that the working stability of the first wedge block is improved.
Preferably, a guide seat is arranged between the pull rod and the hydraulic cylinder, and the movable rod of the hydraulic cylinder passes through the guide seat and is connected with the first wedge block.
Preferably, the lifting ring is fixedly arranged at the top of the pull rod, the lifting ring is convenient for lifting the pull rod, and the working efficiency is improved.
Preferably, the guide seat is fixedly connected with the cover, and the pin shaft is fixedly connected with the baffle plate through bolts, so that the guide seat is convenient to install and detach.
The beneficial effects of the invention are as follows:
1) The hydraulic cylinder drives the first wedge block to slide on the upper surface of the second wedge block and applies downward pressure to the second wedge block, so that the cover is subjected to downward acting force, and the pin shaft drives the machine base to move wholly upwards by applying upward tension to the pull rod, so that the cover and the machine base are locked, the diameter and the appearance of a rolled steel pipe are ensured, and the quality of products is improved.
2) The waist axle seat is fixed to the top end of the machine cover through the locking bolt, the stop blocks are arranged on two sides of the waist axle seat and welded on the top end of the machine cover, and the waist axle seat is fixed through the locking bolt and the stop blocks at the same time, so that the phenomenon of activity of the waist axle seat is prevented, and the working stability of the waist axle seat is ensured.
3) The hydraulic cylinder tip is equipped with the lug, the one end that first wedge is close to the pneumatic cylinder is equipped with lug matched with recess, through the cooperation of lug and recess, has increased the area of contact of pneumatic cylinder and first wedge, has improved the stability of first wedge work.
4) Be equipped with the guide holder between pull rod and the pneumatic cylinder, the pneumatic cylinder expansion end passes the guide holder and is connected with first wedge, because the pneumatic cylinder during operation is rotated along waist axle bed through the pivot, has restricted the turned angle of pneumatic cylinder through the guide holder, has guaranteed the stability of pneumatic cylinder work.
5) The lifting ring is fixedly arranged at the top of the pull rod, the pull rod is convenient to hoist through the lifting ring, and the working efficiency is improved.
6) The guide seat is fixedly connected with the machine cover, and the pin shaft is fixedly connected with the baffle plate through bolts, so that the installation and the disassembly are convenient.
Drawings
Fig. 1 is a top view of a main frame locking device for a pipe mill according to the present invention.
FIG. 2 is a cross-sectional view taken along the direction A-A of FIG. 1.
In the figure: 1. a hanging ring; 2. a pull rod; 21. a first through hole; 22. a second through hole; 3. a first wedge block; 4. a second wedge block; 5. a stop pad; 51. a first slot; 6. a guide seat; 7. a stopper; 8. a hydraulic cylinder; 81. a bump; 9. a waist shaft seat; 10. a rotating shaft; 11. a baffle; 12. a pin shaft; 13. a base; 131. a first stepped hole; 132. a second slot; 14. a cover; 141. a second stepped hole; 15. a locking bolt.
Detailed Description
The following description of the embodiments of the present invention will be made more fully with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The utility model provides a be used for pipe mill host computer frame locking device, including pull rod 2, first wedge 3, second wedge 4, locking washer 5, pneumatic cylinder 8, waist axle bed 9, round pin axle 12, frame 13, bonnet 14, the inside second ladder hole 141 that is equipped with of bonnet 14, locking washer 5 sets up in second ladder hole 141 top, locking washer 5 takes the form of round platform and the middle part has seted up first slotted hole 51, the bottom of locking washer 5 is located second ladder hole 141, pull rod 2 passes first slotted hole 51 and sets up in second ladder hole 141, and the pull rod 2 upper portion is equipped with first through-hole 21, second wedge 4 sets up in first through-hole 21, and second wedge 4 bottom is located locking washer 5 first slotted hole 51, pull rod 2 top is fixed and is equipped with rings 1, is convenient for hoist and mount pull rod 2 through rings 1, has improved the efficiency of work, waist axle bed 9 sets up in one side of pull rod 2, waist axle bed 9 is fixed to the bonnet 14 top through locking bolt 15, waist axle bed 9 is equipped with waist end 7 and waist end 9 and the axle bed 9 and the activity is prevented that waist end from appearing in the axle bed 9 from moving about through locking bolt 15, the waist end 9 is fixed to the waist end 9 through locking bolt 9; the hydraulic cylinder 8 is arranged on the waist shaft seat 9, two sides of the hydraulic cylinder 8 are rotationally connected with the waist shaft seat 9 through a rotating shaft 10, the first wedge block 3 is arranged at the end part of a movable rod of the hydraulic cylinder 8, a convex block 81 is arranged at the end part of the movable rod of the hydraulic cylinder 8, a groove matched with the convex block 81 is formed in one end, close to the hydraulic cylinder 8, of the first wedge block 3, and the contact area between the hydraulic cylinder 8 and the first wedge block 3 is increased through the matching of the convex block 81 and the groove, so that the working stability of the first wedge block 3 is improved; the first wedge block 3 is located the top of the second wedge block 4, and the first wedge block 3 can slide along the upper surface of the second wedge block 4 under the drive of the hydraulic cylinder 8, be equipped with guide holder 6 between pull rod 2 and the hydraulic cylinder 8, the 8 movable rods of hydraulic cylinder pass guide holder 6 and be connected with the first wedge block 3, because the hydraulic cylinder 8 during operation is rotated along waist axle bed 9 through pivot 10, has restricted the rotation angle of hydraulic cylinder 8 through guide holder 6, has guaranteed the stability of hydraulic cylinder 8 work.
The machine base 13 is arranged below the machine cover 14, the machine base 13 is provided with a first stepped hole 131 and a second slotted hole 132, the axis of the first stepped hole 131 is vertical to the axis of the second slotted hole 132, the axis of the second slotted hole 132 is on the same axis with the axis of the second stepped hole 141, the bottom end of the pull rod 2 extends into the second slotted hole 132, the lower part of the pull rod 2 is provided with a second through hole 22, the pin shaft 12 passes through the second through hole 22 and is arranged in the first stepped hole 131, the end part of the pin shaft 12 is provided with a baffle 11, the baffle 11 is positioned in the first stepped hole 131, the guide seat 6 and the machine cover 14 and the pin shaft 12 and the baffle 11 are fixedly connected through bolts, the installation and the disassembly are convenient, the pin shaft 12 can be limited through the baffle 11, the pin shaft 12 is prevented from sliding in the first stepped hole 131, the first wedge block 3 is driven to move to the position above the second wedge block 4 in the first through hole 21 through the extension of the hydraulic cylinder 8, the first wedge block 3 continues to move and slide upwards obliquely along the upper surface of the second wedge block 4, the hydraulic cylinder 8 adjusts the angle on the waist shaft seat 9 through the rotating shaft 10, the first wedge block 3 applies downward pressure to the second wedge block 4, the second wedge block 4 sequentially transmits the pressure to the stop gasket 5 and the cover 14 after receiving the pressure, so that the cover 14 receives downward acting force, the pin shaft 12 drives the base 13 to integrally move upwards through applying upward pulling force to the pull rod 2, so that the cover 14 and the base 13 are locked, the hydraulic cylinder 8 contracts to drive the first wedge block 3 to be separated from the second wedge block 4, and the cover 14 and the base 13 are in a natural state, so that the unlocking function is realized.
The foregoing is merely illustrative and explanatory of the invention, as it is well within the scope of the invention as claimed, as it relates to various modifications, additions and substitutions for those skilled in the art, without departing from the inventive concept and without departing from the scope of the invention as defined in the accompanying claims.
Claims (3)
1. The utility model provides a be used for pipe mill host computer frame locking device, includes pull rod, round pin axle, frame, cover, the inside second ladder hole that is equipped with of cover, the pull rod sets up in the second ladder hole, the frame sets up in the cover below, be equipped with first ladder hole, second slotted hole on the frame, first ladder hole axis is perpendicular with second slotted hole axis, second slotted hole axis and second ladder hole axis are on same axis, the pull rod bottom extends to in the second slotted hole, and the pull rod lower part is equipped with the second through-hole, the round pin axle passes the second through-hole and sets up in first ladder hole, the tip of round pin axle is equipped with the baffle, and the baffle is located first ladder hole, its characterized in that, the second ladder hole top is equipped with the stopper gasket, the stopper gasket is round platform form and the middle part is seted up first slotted hole, the bottom of stopper gasket is located second ladder hole, the pull rod passes first slotted hole, the upper portion is equipped with first through-hole, first through-hole is equipped with the second wedge in the inside, second wedge bottom is located in the second ladder hole, first waist is equipped with the wedge, the wedge is equipped with the wedge, the pivot is located on the wedge, the wedge is located two side of the pivot, the wedge is equipped with the wedge cylinder, the pivot is located on the pivot, the wedge cylinder is connected with the wedge cylinder side, the pivot is located on the side;
The waist axle seat is fixed to the top end of the machine cover through locking bolts, stop blocks are arranged on two sides of the waist axle seat and welded at the top end of the machine cover, a protruding block is arranged at the end of a movable rod of the hydraulic cylinder, a groove matched with the protruding block is formed in one end, close to the hydraulic cylinder, of the first wedge block, a guide seat is arranged between the pull rod and the hydraulic cylinder, the movable rod of the hydraulic cylinder penetrates through the guide seat and is connected with the first wedge block, and a hanging ring is fixedly arranged at the top of the pull rod.
2. The locking device for a main frame of a pipe mill according to claim 1, wherein the projection has a "T" shape.
3. The locking device for a main frame of a pipe mill according to claim 1, wherein the guide seat is fixedly connected with the cover and the pin shaft is fixedly connected with the baffle plate through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373043.3A CN111054758B (en) | 2019-12-27 | 2019-12-27 | Locking device for main machine frame of pipe mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373043.3A CN111054758B (en) | 2019-12-27 | 2019-12-27 | Locking device for main machine frame of pipe mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111054758A CN111054758A (en) | 2020-04-24 |
| CN111054758B true CN111054758B (en) | 2024-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911373043.3A Active CN111054758B (en) | 2019-12-27 | 2019-12-27 | Locking device for main machine frame of pipe mill |
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| CN (1) | CN111054758B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211914990U (en) * | 2019-12-27 | 2020-11-13 | 济南重工股份有限公司 | Be used for rolling pipe owner frame locking device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI113632B (en) * | 2002-10-22 | 2004-05-31 | Outokumpu Oy | Rolling |
| CN201442014U (en) * | 2009-05-08 | 2010-04-28 | 鞍钢股份有限公司 | Roller seat locking device |
| CN103350109B (en) * | 2013-07-04 | 2015-06-10 | 北京京诚之星科技开发有限公司 | Cold-rolled strip mill |
| CN104889170A (en) * | 2015-05-18 | 2015-09-09 | 中国重型机械研究院股份公司 | Vertical roller height adjustment method and implementation mechanism |
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- 2019-12-27 CN CN201911373043.3A patent/CN111054758B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211914990U (en) * | 2019-12-27 | 2020-11-13 | 济南重工股份有限公司 | Be used for rolling pipe owner frame locking device |
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| CN111054758A (en) | 2020-04-24 |
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