CN110756596A - Impact-resistant cold rolling mill chuck box - Google Patents
Impact-resistant cold rolling mill chuck box Download PDFInfo
- Publication number
- CN110756596A CN110756596A CN201911070698.3A CN201911070698A CN110756596A CN 110756596 A CN110756596 A CN 110756596A CN 201911070698 A CN201911070698 A CN 201911070698A CN 110756596 A CN110756596 A CN 110756596A
- Authority
- CN
- China
- Prior art keywords
- shifting fork
- box
- cold rolling
- box body
- hydraulic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005097 cold rolling Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process 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
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/14—Guiding, positioning or aligning work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses an impact-resistant cold rolling mill chuck box, which comprises: a box body; one end of the hydraulic cylinder is fixedly connected to the box body; the hollow shaft penetrates through the box body, and one end of the hollow shaft is connected with a clamping device for clamping and fixing a workpiece; one end of the shifting fork is rotatably arranged at the bottom of the box body, the other end of the shifting fork is in transmission connection with the output end of the hydraulic cylinder through a fisheye bearing, and a power arm of the shifting fork is longer than a resistance arm of the shifting fork; the shifting fork is in transmission connection with the clamping device and drives the clamping device to perform clamping and opening actions. The impact-resistant cold rolling machine chuck box optimizes the fixed position of the shifting fork, and is beneficial to normal work of the precise gear in the chuck box; the stress condition of the shifting fork is optimized, the shifting fork can be made of steel with lower price, and the accessory cost of the chuck box is reduced; and the hydraulic cylinder is ensured to be isolated from the torque of the shifting fork, so that the action precision of the hydraulic cylinder is improved and the service life of the hydraulic cylinder is prolonged.
Description
Technical Field
The invention relates to the technical field of cold pilger mills,
in particular, the invention relates to an impact resistant cold rolling mill head box.
Background
The shifting fork of the chuck box of the existing cold rolling machine adopts an equiarm lever, and the rotation center of the shifting fork is welded on the upper cover of the chuck box; the scheme has high requirements on the mechanical strength and the wear resistance of the shifting fork, the 45# steel cannot meet the working strength requirement of the shifting fork, alloy steel needs to be used, and the manufacturing cost of accessories is high; in addition, the scheme transmits the rolling force to the upper cover of the chuck box, thus aggravating the complexity of the working condition of the chuck box and being not beneficial to the normal work of the precise gear in the chuck box; the shifting fork fixing bracket in the scheme is of a long cantilever structure and has poor rigidity; this kind of scheme shift fork transmits the moment of torsion to the pneumatic cylinder, and it is very big to the pneumatic cylinder steady operation influence, easily leads to the hydro-cylinder piston rod to warp.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an impact-resistant cold rolling machine chuck box.
In order to solve the problems, the invention adopts the following technical scheme:
an impact resistant cold mill jaw housing comprising:
a box body;
one end of the hydraulic cylinder is fixedly connected to the box body;
the hollow shaft penetrates through the box body, and one end of the hollow shaft is connected with a clamping device for clamping and fixing a workpiece; and
one end of the shifting fork is rotatably arranged at the bottom of the box body, the other end of the shifting fork is in transmission connection with the output end of the hydraulic cylinder through a fisheye bearing, and a power arm of the shifting fork is longer than a resistance arm of the shifting fork;
the shifting fork is in transmission connection with the clamping device and drives the clamping device to perform clamping and opening actions.
Preferably, the clamping device comprises at least two inclined plane jaws sleeved on one end of the hollow shaft, the inner side surface of the clamping device is matched with a driving part of the inclined plane jaws, the driving part is provided with a sliding groove in the axial direction of the hollow shaft, and the driving part is in transmission connection with the shifting fork through a sliding block in the sliding groove.
Preferably, the inclined plane jaws are uniformly arranged along the center of the hollow shaft.
Preferably, one end of the shifting fork is connected with the bottom of the box body through a pin shaft.
Preferably, the length ratio of the power arm to the resistance arm is 2: 1.
Compared with the prior art, the invention has the technical effects that:
the impact-resistant cold rolling machine chuck box optimizes the fixed position of the shifting fork, does not take the upper cover of the chuck box as a fulcrum, and arranges the fulcrum at the bottom of the chuck box body, thereby being beneficial to the normal work of a precise gear in the chuck box; the power arm of the shifting fork is longer than the resistance arm of the shifting fork, so that the labor is saved, the stress condition of the shifting fork is optimized, the shifting fork can be made of steel with lower price, and the accessory cost of the chuck box is reduced; and the hydraulic cylinder is ensured to be isolated from the torque of the shifting fork, so that the action precision of the hydraulic cylinder is improved and the service life of the hydraulic cylinder is prolonged.
Drawings
FIG. 1 is a schematic structural diagram of a chuck box of an impact-resistant cold rolling mill according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of an impact-resistant cold rolling mill chuck box according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a chuck box of an impact-resistant cold rolling mill according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a right-side view of a chuck box of an impact-resistant cold rolling mill according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a power arm and a resistance arm of a chuck box of an impact-resistant cold rolling mill according to an embodiment of the present invention;
FIG. 6 is a schematic sectional view of a chuck box of an impact-resistant cold rolling mill along section A-A according to an embodiment of the present invention.
In the figure: 1. the device comprises a box body, 2, a hydraulic cylinder, 3, a hollow shaft, 4, a shifting fork, 5, a fisheye bearing, 6, an inclined plane clamping jaw, 7, a driving part, 8, a sliding groove, 9, a sliding block, 10, a pin shaft, L1, the length of a power arm, L2 and the length of a resistance arm.
Detailed Description
The invention is further described below with reference to the accompanying drawings and examples.
The embodiment of the invention provides an impact-resistant cold rolling mill chuck box, which has a structure shown in figures 1-6. An impact-resistant cold rolling machine chuck box comprises a box body 1, a hydraulic cylinder 2, a hollow shaft 3 and a shifting fork 4. One end of the hydraulic cylinder 2 is fixedly connected to the upper cover of the box body 1; the hollow shaft 3 penetrates through the box body 1, and one end of the hollow shaft 3 is connected with a clamping device for clamping and fixing a workpiece; one end of a shifting fork 4 is rotatably arranged at the bottom of the box body 1, the other end of the shifting fork 4 is in transmission connection with the output end of the hydraulic cylinder 2 through a fisheye bearing 5, and a power arm of the shifting fork 4 is longer than a resistance arm of the shifting fork; the shifting fork 4 is in transmission connection with the clamping device to drive the clamping device to perform clamping and opening actions. During operation, the hydraulic cylinder 2 drives the shifting fork 4 to move, and the shifting fork 4 drives the clamping device on the hollow shaft 3 to perform clamping and opening actions, so that clamping and fixing of workpieces are completed.
The impact-resistant cold rolling machine chuck box optimizes the fixed position of the shifting fork 4, does not use the upper cover of the chuck box body 1 as a fulcrum, and arranges the fulcrum at the bottom of the chuck box body 1, thereby being beneficial to the normal work of a precise gear in the chuck box; the power arm of the shifting fork 4 is longer than the resistance arm of the shifting fork, so that labor is saved, the stress condition of the shifting fork 4 is optimized, the shifting fork 4 can be made of steel with lower price, and the fitting cost of the chuck box is reduced; and guarantee pneumatic cylinder 2 and 4 moment of torsion isolations of shift fork, improved the action precision and the life of pneumatic cylinder 2.
Preferably, the clamping device of this embodiment includes that three cover establishes the inclined plane jack catch 6 on one end of hollow shaft 3, and three inclined plane jack catch 6 encircles 3 peripheries of hollow shaft and evenly sets up, is 120 contained angles each other, and 6 overcoat of inclined plane jack catch are equipped with medial surface and inclined plane jack catch 6 matched with driving piece 7, and driving piece 7 has seted up spout 8 along 3 axial directions of hollow shaft, and driving piece 7 passes through the slider 9 transmission connection in the spout 8 with shift fork 4. As shown in fig. 4-6, the middle position of the shifting fork 4 is connected with the sliding block 9 through a screw, the hydraulic cylinder 2 moves to drive the shifting fork 4 to move, and further drive the sliding block 9 to move back and forth along the axial direction of the hollow shaft 3 in the sliding groove 8 of the driving part 7, the moving of the sliding block 9 drives the driving part 7 to move back and forth, the inner side surface of the driving part 7 is provided with an inclined surface matched with the inclined surface clamping jaw 6, so that the inclined surface clamping jaw 6 can move up and down along the radial direction of the hollow shaft 3, and further clamping or loosening of a.
Preferably, the inclined jaws 6 are arranged uniformly along the centre of the hollow shaft 3. The uniformly arranged inclined plane clamping jaws can uniformly apply clamping force to the periphery of the workpiece.
Preferably, one end of the shifting fork 4 is connected with the bottom of the box body 1 by a pin shaft 10. The pin shaft type connection has high rigidity and simple structure.
Preferably, the length ratio of the length L2 of the power arm to the length L1 of the resistance arm is 2:1, the design structure is reasonable, the torque isolation of the hydraulic cylinder 2 and the shifting fork 4 is guaranteed while labor is saved, the action precision of the hydraulic cylinder 2 is improved, and the service life of the hydraulic cylinder is prolonged.
The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention should be included in the scope of the present invention.
Claims (5)
1. An impact resistant cold rolling mill jaw box, comprising:
a box body;
one end of the hydraulic cylinder is fixedly connected to the box body;
the hollow shaft penetrates through the box body, and one end of the hollow shaft is connected with a clamping device for clamping and fixing a workpiece; and
one end of the shifting fork is rotatably arranged at the bottom of the box body, the other end of the shifting fork is in transmission connection with the output end of the hydraulic cylinder through a fisheye bearing, and a power arm of the shifting fork is longer than a resistance arm of the shifting fork;
the shifting fork is in transmission connection with the clamping device and drives the clamping device to perform clamping and opening actions.
2. The chuck box of impact-resistant cold rolling mill according to claim 1, wherein the clamping device comprises at least two inclined plane jaws fitted over one end of the hollow shaft, and a driving member having an inner side surface fitted with the inclined plane jaws, the driving member having a sliding groove formed along an axial direction of the hollow shaft, the driving member being in transmission connection with the shifting fork via a sliding block in the sliding groove.
3. The impact resistant cold rolling mill chuck box according to claim 2, wherein said beveled jaws are uniformly disposed along the center of said hollow shaft.
4. The impact resistant cold rolling mill chuck box according to claim 1, wherein one end of the shifting fork is connected with the bottom of the box body by a pin shaft.
5. The jaw box of an impact resistant cold rolling mill of any one of claims 1 to 4, wherein the power arm to resistance arm length ratio is 2: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070698.3A CN110756596A (en) | 2019-11-05 | 2019-11-05 | Impact-resistant cold rolling mill chuck box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911070698.3A CN110756596A (en) | 2019-11-05 | 2019-11-05 | Impact-resistant cold rolling mill chuck box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110756596A true CN110756596A (en) | 2020-02-07 |
Family
ID=69336426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911070698.3A Pending CN110756596A (en) | 2019-11-05 | 2019-11-05 | Impact-resistant cold rolling mill chuck box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110756596A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198845A (en) * | 2021-05-14 | 2021-08-03 | 上海攀枝花机械制造有限公司 | Elastic coupling gleason gear device |
| CN115816179A (en) * | 2023-02-06 | 2023-03-21 | 常州市兴通机械制造有限公司 | Cold pilger mill production line |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201223884Y (en) * | 2008-07-28 | 2009-04-22 | 洛阳市双勇机器制造有限公司 | Tube blank continuous feeder of two-roller cold pilger mill |
| CN101596550A (en) * | 2009-06-02 | 2009-12-09 | 张家港恒立机械有限公司 | The gripping mechanism of plug in the cold pilger mill |
| CN202185464U (en) * | 2011-08-23 | 2012-04-11 | 浙江中星钢管机械有限公司 | Feeding trolley on cold tube rolling machine |
| CN103286134A (en) * | 2013-06-14 | 2013-09-11 | 中国重型机械研究院股份公司 | Core rod clamping mechanism of double-roller cold reducing mill |
| CN204093844U (en) * | 2014-09-30 | 2015-01-14 | 浙江中星钢管机械有限公司 | A kind of chuck case of cold pilger mill |
| CN204148249U (en) * | 2014-08-06 | 2015-02-11 | 诸葛胜军 | Cold pilger mill discharging clamping-rotating device |
| CN204159653U (en) * | 2014-08-06 | 2015-02-18 | 诸葛胜军 | Cold pilger mill feeding trolley |
| CN204208903U (en) * | 2014-09-30 | 2015-03-18 | 浙江中星钢管机械有限公司 | A kind of steel pipe detent mechanism of cold pilger mill rolling center |
| CN211071283U (en) * | 2019-11-05 | 2020-07-24 | 浙江辛子精工机械有限公司 | Impact-resistant cold rolling mill chuck box |
-
2019
- 2019-11-05 CN CN201911070698.3A patent/CN110756596A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201223884Y (en) * | 2008-07-28 | 2009-04-22 | 洛阳市双勇机器制造有限公司 | Tube blank continuous feeder of two-roller cold pilger mill |
| CN101596550A (en) * | 2009-06-02 | 2009-12-09 | 张家港恒立机械有限公司 | The gripping mechanism of plug in the cold pilger mill |
| CN202185464U (en) * | 2011-08-23 | 2012-04-11 | 浙江中星钢管机械有限公司 | Feeding trolley on cold tube rolling machine |
| CN103286134A (en) * | 2013-06-14 | 2013-09-11 | 中国重型机械研究院股份公司 | Core rod clamping mechanism of double-roller cold reducing mill |
| CN204148249U (en) * | 2014-08-06 | 2015-02-11 | 诸葛胜军 | Cold pilger mill discharging clamping-rotating device |
| CN204159653U (en) * | 2014-08-06 | 2015-02-18 | 诸葛胜军 | Cold pilger mill feeding trolley |
| CN204093844U (en) * | 2014-09-30 | 2015-01-14 | 浙江中星钢管机械有限公司 | A kind of chuck case of cold pilger mill |
| CN204208903U (en) * | 2014-09-30 | 2015-03-18 | 浙江中星钢管机械有限公司 | A kind of steel pipe detent mechanism of cold pilger mill rolling center |
| CN211071283U (en) * | 2019-11-05 | 2020-07-24 | 浙江辛子精工机械有限公司 | Impact-resistant cold rolling mill chuck box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113198845A (en) * | 2021-05-14 | 2021-08-03 | 上海攀枝花机械制造有限公司 | Elastic coupling gleason gear device |
| CN113198845B (en) * | 2021-05-14 | 2022-08-23 | 上海攀枝花机械制造有限公司 | Elastic coupling grissin gear device |
| CN115816179A (en) * | 2023-02-06 | 2023-03-21 | 常州市兴通机械制造有限公司 | Cold pilger mill production line |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110756596A (en) | Impact-resistant cold rolling mill chuck box | |
| CN101219537B (en) | Manually-operated hammer drill | |
| CN201776752U (en) | Six-degree-of-freedom precise heavy-duty manipulator | |
| CN211071283U (en) | Impact-resistant cold rolling mill chuck box | |
| CN110394471B (en) | Reliable hub chuck | |
| CN113211144A (en) | Drilling fixture for main pin hole of steering knuckle with arm | |
| CN205393553U (en) | Rod -type centre gripping stick spool material is skinned and is processed guider | |
| US4431201A (en) | Chuck with centrifugal compensation device | |
| CN201439171U (en) | Edging roll work fixture of novel roll lathe universal rolling mill | |
| CN210305814U (en) | Hub chuck | |
| CN212371189U (en) | Gear transmission type main shaft speed change gear shifting mechanism of planer type milling machine | |
| CN103286776A (en) | Charging and discharging machine and control method thereof | |
| CN201559078U (en) | Device for quickly replacing tools of driller | |
| CN203092557U (en) | Charging and discharging machine | |
| CN101559501A (en) | Drilling machine cutter quick-replacement device and cutter quick-replacement method | |
| JP5047348B2 (en) | Steering machine | |
| CN213889544U (en) | Grinding tool for inner arc surface of guide pillar/adjusting screw of mechanical press | |
| CN112847257B (en) | Electric hammer capable of stably switching working state | |
| CN213858187U (en) | Sleeve type collet central frame structure | |
| CN220575258U (en) | Automobile shock absorber piston rod drilling jig | |
| CN213319901U (en) | Power structure of automatic assembly machine for brake pipe joint | |
| CN217776720U (en) | Turnable thin plate vice | |
| CN202508793U (en) | Pulley guiding device of bottle screw | |
| CN219335842U (en) | Forging stock clamping device | |
| CN210193132U (en) | Elevator cable sheave device capable of being uniformly wound |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |