CN111054758A - Be used for rolling pipe owner frame locking device - Google Patents
Be used for rolling pipe owner frame locking device Download PDFInfo
- Publication number
- CN111054758A CN111054758A CN201911373043.3A CN201911373043A CN111054758A CN 111054758 A CN111054758 A CN 111054758A CN 201911373043 A CN201911373043 A CN 201911373043A CN 111054758 A CN111054758 A CN 111054758A
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- Prior art keywords
- hole
- wedge
- pull rod
- cover
- stepped hole
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- 238000005096 rolling process Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000001174 ascending effect Effects 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
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The invention discloses a locking device for a main frame of a pipe rolling mill, which comprises a pull rod, a pin shaft, a base and a cover, wherein a second stepped hole is formed in the cover, the pull rod is arranged in the second stepped hole, the base is arranged below the cover, a first stepped hole and a second slotted hole are formed in the base, the axis of the first stepped hole is vertical to the axis of the second slotted hole, and the axis of the second slotted hole is on the same axis with the axis of the second stepped hole. According to the invention, the hydraulic cylinder drives the first wedge-shaped block to slide on the upper surface of the second wedge-shaped block and applies downward pressure to the second wedge-shaped block, so that the cover is subjected to downward acting force, and the pull rod applies upward pulling force to drive the pin shaft to drive the base to move upwards integrally, so that the cover and the base are locked, the diameter and the shape of a rolled steel pipe are ensured, and the product quality 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 frame of a pipe mill.
Background
The pipe mill is a process device for hot rolling a pipe blank by using a roller, has good cogging performance, and can roll nonferrous metal seamless pipes with common precision.
Because the steel pipe can produce great vibrations at the in-process of rolling, the cover takes place to become flexible with the junction of frame 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 to become flexible 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 provide a locking device for a main frame of a pipe rolling mill.
In order to achieve the purpose, the invention adopts the technical scheme that:
a locking device for a main frame of a pipe rolling mill comprises a pull rod, a first wedge block, a second wedge block, a stop gasket, a hydraulic cylinder, a waist shaft seat, a pin shaft, a machine seat and a machine cover, wherein a second stepped hole is formed in the machine cover, the stop gasket is arranged above the second stepped hole, the stop gasket is in a round platform shape, a first groove hole is formed in the middle of the stop gasket, the bottom of the stop gasket is positioned in the second stepped hole, the pull rod penetrates through the first groove hole and is arranged in the second stepped hole, a first through hole is formed in the upper portion of the pull rod, the second wedge block is arranged in the first through hole, the bottom of the second wedge block is positioned in the first groove hole of the stop gasket, the waist shaft seat is arranged on one side of the pull rod, the hydraulic cylinder is arranged on the waist shaft seat, the two sides of the hydraulic cylinder are rotatably connected with the waist shaft seat through rotating shafts, the first wedge block is arranged, the first wedge block can slide along the upper surface of the second wedge block under the driving of the hydraulic cylinder, the base is arranged below the cover, the base is provided with a first stepped hole and a second slotted hole, the axis of the first stepped hole is vertical to the axis of the second slotted hole, the axis of the second slotted hole is on the same axis with the axis of the second stepped hole, the bottom end of the pull rod extends into the second slotted hole, the lower part of the pull rod is provided with a second through hole, the pin shaft passes through the second through hole and is arranged in the first stepped hole, the end part of the pin shaft is provided with a baffle plate, the baffle plate is arranged in the first stepped hole, the pin shaft can be limited by the baffle plate, the pin shaft is prevented from sliding in the first stepped hole, the first wedge block is driven by the hydraulic cylinder to move to the position above the second wedge block in the first through hole, the first wedge block continues to move and slides upwards along the upper surface of the second wedge block, and the hydraulic, the first wedge block exerts decurrent pressure to the second wedge block, and the second wedge block receives to transmit pressure to lock gasket, machine cover in proper order after the pressure to make the cover receive decurrent effort, make the round pin axle drive the whole upward movement of frame through exerting ascending pulling force to the pull rod, thereby make cover and frame lock, the pneumatic cylinder shrink drives first wedge block and second wedge block separation, makes cover and frame be in the function that natural state realized the unblock.
Preferably, the waist axle bed passes through the locking bolt to be fixed to the cover top, the both sides of waist axle bed are equipped with the stop block, and the stop block welding is fixed the waist axle bed simultaneously through locking bolt and stop block on the cover top, prevents that the waist axle bed from appearing the activity phenomenon, has guaranteed the stability of waist axle bed work.
Preferably, the tip of the movable rod of the hydraulic cylinder is provided with a convex block, one end of the first wedge block close to the hydraulic cylinder is provided with a groove matched with the convex block, the contact area of the hydraulic cylinder and the first wedge block is increased through the matching of the convex block and the groove, and the working stability of the first wedge block is improved.
Preferably, be equipped with the guide holder between pull rod and the pneumatic cylinder, the pneumatic cylinder movable rod passes the guide holder and is connected with first wedge, because the pneumatic cylinder during operation rotates 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.
Preferably, the top of the pull rod is fixedly provided with a lifting ring, the pull rod is convenient to hoist through the lifting ring, and the working efficiency is improved.
Preferably, all through bolt fixed connection between guide holder and the cover, between round pin axle and the baffle, be convenient for installation and dismantlement.
The invention has the beneficial effects that:
1) the hydraulic cylinder drives the first wedge block to slide on the upper surface of the second wedge block and apply downward pressure to the second wedge block, so that the cover receives downward acting force, and upward pulling force is applied to the pull rod to enable the pin shaft to drive the base to move upwards integrally, so that the cover is locked with the base, the diameter and the shape of a rolled steel pipe are guaranteed, and the quality of a product is improved.
2) Waist axle bed passes through the locking bolt to be fixed to the cover top, the both sides of waist axle bed are equipped with the stop block, and the stop block welding is fixed waist axle bed on the cover top simultaneously through locking bolt and stop block, prevents that the waist axle bed from appearing the activity phenomenon, has guaranteed the stability of waist axle bed work.
3) The pneumatic 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 with the recess, has increased the area of contact of pneumatic cylinder with 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 rotates 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 fixed rings that are equipped with in pull rod top are convenient for hoist the pull rod through rings, have improved the efficiency of work.
6) The guide seat and the cover as well as the pin shaft and the baffle are fixedly connected through bolts, so that the installation and the disassembly are convenient.
Drawings
FIG. 1 is a top view of a frame locking device for a pipe mill main body according to the present invention.
Fig. 2 is a sectional view taken along the line a-a of fig. 1.
In the figure: 1. a hoisting 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 stopper spacer; 51. a first slot; 6. a guide seat; 7. a stopper block; 8. a hydraulic cylinder; 81. a bump; 9. a waist shaft seat; 10. a rotating shaft; 11. a baffle plate; 12. a pin shaft; 13. a machine base; 131. a first stepped hole; 132. a second slot; 14. a machine cover; 141. a second stepped bore; 15. and locking the bolt.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1-2, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The utility model provides a be used for rolling mill host computer frame locking device, includes pull rod 2, first wedge 3, second wedge 4, lock washer 5, pneumatic cylinder 8, waist axle seat 9, round pin axle 12, frame 13, cover 14, the cover 14 is inside to be equipped with second shoulder hole 141, lock washer 5 sets up in second shoulder hole 141 top, lock washer 5 is round platform form and the middle part has seted up first slotted hole 51, the bottom of lock washer 5 is located second shoulder hole 141, pull rod 2 passes first slotted hole 51 and sets up in second shoulder hole 141, 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 lock washer 5 first slotted hole 51, the fixed rings 1 that are equipped with in pull rod 2 top is convenient for hoist and mount pull rod 2 through rings 1, has improved the efficiency of work, the waist shaft seat 9 is arranged on one side of the pull rod 2, the waist shaft seat 9 is fixed to the top end of the cover 14 through a locking bolt 15, the two sides of the waist shaft seat 9 are provided with the stop blocks 7, the stop blocks 7 are welded to the top end of the cover 14, the waist shaft seat 9 is fixed through the locking bolt 15 and the stop blocks 7 at the same time, the waist shaft seat 9 is prevented from moving, and the working stability of the waist shaft seat 9 is ensured; the hydraulic cylinder 8 is arranged on the waist shaft seat 9, two sides of the hydraulic cylinder 8 are rotatably connected with the waist shaft seat 9 through the rotating shaft 10, the first wedge-shaped 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 arranged at one end, close to the hydraulic cylinder 8, of the first wedge-shaped block 3, and through the matching of the convex block 81 and the groove, the contact area between the hydraulic cylinder 8 and the first wedge-shaped block 3 is increased, and the working stability of the first wedge-; first wedge 3 is located 4 tops of second wedge, and 4 upper surface slips of second wedge can be followed to first wedge 3 under the drive of pneumatic cylinder 8, be equipped with guide holder 6 between pull rod 2 and the pneumatic cylinder 8, the pneumatic cylinder 8 movable rod passes guide holder 6 and is connected with first wedge 3, because pneumatic cylinder 8 during operation rotates along waist axle seat 9 through pivot 10, has restricted pneumatic cylinder 8's turned angle through guide holder 6, has guaranteed the stability of pneumatic cylinder 8 work.
The base 13 is arranged below the cover 14, the 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 plate 11, the baffle plate 11 is arranged in the first stepped hole 131, the guide seat 6 and the cover 14, the pin shaft 12 and the baffle plate 11 are fixedly connected through bolts, the installation and the disassembly are convenient, the pin shaft 12 can be limited through the baffle plate 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 upper part of the second wedge block 4 in the first through the hydraulic, the first wedge-shaped block 3 continues to move and slides upwards along the upper surface of the second wedge-shaped block 4 in an inclined mode, the hydraulic cylinder 8 adjusts the angle on the waist shaft base 9 through the rotating shaft 10, the first wedge-shaped block 3 applies downward pressure to the second wedge-shaped block 4, the second wedge-shaped 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 move upwards integrally by applying upward pulling force to the pull rod 2, the cover 14 is locked with the base 13, the hydraulic cylinder 8 contracts to drive the first wedge-shaped block 3 to be separated from the second wedge-shaped block 4, and the cover 14 and the base 13 are in a natural state to achieve the unlocking function.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.
Claims (7)
1. A locking device for a main frame of a pipe rolling machine comprises a pull rod, a pin shaft, a machine base and a machine cover, wherein a second stepped hole is formed in the machine cover, the pull rod is arranged in the second stepped hole, the machine base is arranged below the machine cover, a first stepped hole and a second slotted hole are formed in the machine base, the axis of the first stepped hole is perpendicular to the axis of the second slotted hole, the axis of the second slotted hole and the axis of the second stepped hole are on the same axis, the bottom end of the pull rod extends into the second slotted hole, a second through hole is formed in the lower portion of the pull rod, the pin shaft penetrates through the second through hole and is arranged in the first stepped hole, a baffle is arranged at the end portion of the pin shaft and is positioned in the first stepped hole, and the locking device is characterized in that a locking gasket is arranged above the second stepped hole, the locking gasket is in a round table shape, the middle of the locking gasket is provided with, the pull rod passes first slotted hole, and pull rod upper portion is equipped with first through-hole, the inside second wedge that is equipped with of first through-hole, second wedge bottom are located the first slotted hole of locking washer, pull rod one side is equipped with waist axle bed, be equipped with the pneumatic cylinder on the waist axle bed, the pneumatic cylinder both sides are rotated through pivot and waist axle bed and are connected, pneumatic cylinder movable rod tip is equipped with first wedge, and first wedge is located second wedge top.
2. The locking device for the main frame of the pipe mill as claimed in claim 1, wherein the waist shaft seat is fixed to the top end of the cover by a locking bolt, and the waist shaft seat is provided with a stop block at both sides, and the stop block is welded to the top end of the cover.
3. The locking device for the main frame of the pipe mill as claimed in claim 1, wherein the end of the movable rod of the hydraulic cylinder is provided with a projection, and one end of the first wedge-shaped block close to the hydraulic cylinder is provided with a groove matched with the projection.
4. A host frame locking device for a pipe mill according to claim 3, wherein the projection is "T" shaped.
5. The locking device for the main frame of the pipe mill according to claim 1, wherein 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.
6. The locking device for the main frame of the pipe mill as claimed in claim 1, wherein a lifting ring is fixedly arranged at the top of the pull rod.
7. The locking device for the main frame of the pipe mill according to claim 5, wherein the guide seat and the cover and the pin and the baffle are fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373043.3A CN111054758A (en) | 2019-12-27 | 2019-12-27 | Be used for rolling pipe owner frame locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911373043.3A CN111054758A (en) | 2019-12-27 | 2019-12-27 | Be used for rolling pipe owner frame locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111054758A true CN111054758A (en) | 2020-04-24 |
Family
ID=70302849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911373043.3A Pending CN111054758A (en) | 2019-12-27 | 2019-12-27 | Be used for rolling pipe owner frame locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111054758A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1705527A (en) * | 2002-10-22 | 2005-12-07 | 奥托库姆普联合股份公司 | Method and apparatus for rolling a tube |
| CN201442014U (en) * | 2009-05-08 | 2010-04-28 | 鞍钢股份有限公司 | Device for locking roller base |
| CN103350109A (en) * | 2013-07-04 | 2013-10-16 | 北京京诚之星科技开发有限公司 | Cold-rolling 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 |
| 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 |
-
2019
- 2019-12-27 CN CN201911373043.3A patent/CN111054758A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1705527A (en) * | 2002-10-22 | 2005-12-07 | 奥托库姆普联合股份公司 | Method and apparatus for rolling a tube |
| CN201442014U (en) * | 2009-05-08 | 2010-04-28 | 鞍钢股份有限公司 | Device for locking roller base |
| CN103350109A (en) * | 2013-07-04 | 2013-10-16 | 北京京诚之星科技开发有限公司 | Cold-rolling 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 |
| 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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