CN201543649U - Automatic chuck mechanism for cold-rolling pipe mill - Google Patents
Automatic chuck mechanism for cold-rolling pipe mill Download PDFInfo
- Publication number
- CN201543649U CN201543649U CN2009200493200U CN200920049320U CN201543649U CN 201543649 U CN201543649 U CN 201543649U CN 2009200493200 U CN2009200493200 U CN 2009200493200U CN 200920049320 U CN200920049320 U CN 200920049320U CN 201543649 U CN201543649 U CN 201543649U
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- China
- Prior art keywords
- hollow shaft
- tapered sleeve
- lever
- claw
- bearing
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to an automatic chuck mechanism for a cold-rolling pipe mill, which comprises a frame, a driving hollow shaft and clamping jaws, wherein the driving hollow shaft is installed on the frame through a bearing, and the clamping jaws are installed on the driving hollow shaft. More than two notches are axially arranged on the front lateral wall of the driving hollow shaft; more than two clamping jaws are installed in the front portion of each notch; more than two levers are hinged inside each notch through pin shafts; a shifting block at the front end of each lever is installed inside a slot on the rear portion of each clamping jaw; each lever is positioned on an externally convex pressing block between each pin shaft and each shifting block; the levers and supporting seats on the rear portion are arranged inside a drive taper sleeve; the drive taper sleeve with a taper hole gradually enlarged from inside to outside is slidably assembled on the driving hollow shaft; the drive taper sleeve is connected with a bottom plate; and the other end of an air cylinder or an oil cylinder installed on the bottom plate is connected with the frame. The automatic chuck mechanism is capable of increasing radial work stroke of the clamping jaws, reliable in core rod clamping without deviation, high in clamping efficiency and capable of relieving labor intensity.
Description
Technical field
The utility model relates to the automatic chuck mechanism that a kind of cold pilger mill is used, and belongs to the pipe mill technical field.
Background technology
The automatic chuck mechanism that cold pilger mill is used is used to clamp plug and drives plug and does periodic gyration, and the tubing rounding that is rolled with guarantee is smooth and wall thickness is even.What the chuck mechanism that the cold pilger mill in the prior art is used adopted is three-jaw self-centering chuck, when being clamped, must regulate with spanner plug by handwork, the one side inefficiency, labour intensity is big, under the big operating mode of roll-force, be easy to generate loosening on the other hand, make the relative position of plug and pass produce skew, influence the rolling quality of tubing.The chuck mechanism that present for this reason disclosed cold pilger mill is used also has the tapered sleeve of employing clamp mechanism, and this mechanism's tapered sleeve axial stroke is long, and the radial stroke of claw is short, and wearing and tearing are big, reliability shortcoming, complex structure.
Summary of the invention
The purpose of this utility model is that a kind of radially impulse stroke that can increase claw will be provided, plug reliable clamping and can not produce skew, clamp the automatic chuck mechanism that the high cold pilger mill of efficient is used.
The utility model for the technical scheme that achieves the above object is: the automatic chuck mechanism that a kind of cold pilger mill is used, comprise frame, active hollow shaft and claw, initiatively hollow shaft is installed on the frame by bearing, claw is installed on the active hollow shaft, it is characterized in that: the front side wall upper edge of described active hollow shaft is axially arranged with plural notch, plural claw is installed in each notch front portion, plural lever is hinged in each notch by bearing pin, and the shifting block of lever front end is installed in the slot at claw rear portion, the briquetting of lever evagination between bearing pin and shifting block and the bearing at rear portion are arranged on and drive in the tapered sleeve, having from inside to outside the driving tapered sleeve cunning of flaring taper hole joins and is installed in initiatively on the hollow shaft, drive tapered sleeve and be connected with base plate, the cylinder or the oil cylinder other end that are installed on the base plate are connected with frame.
Described driving tapered sleeve has the counterbore of diameter greater than taper hole, and the briquetting of lever and bearing join with the taper hole and the counterbore that drive tapered sleeve respectively, and the monolateral tapering of driving tapered sleeve taper hole is between 3～10 °.
Described driving tapered sleeve has annular bottom surface, and the inner face and the annular bottom surface of base plate join, and gland is installed in and drives on the tapered sleeve, and thrust bearing also is installed between base plate and the gland.
The shifting block of described lever is a bulb, and is arranged in the spherical draw-in groove of claw, and lever support is arranged in the counterbore that drives tapered sleeve.
The utility model is provided with notch on the active hollow shaft, and be installed in lever in this notch, because an end of lever is connected on the claw, and bearing on the lever and projection and driving tapered sleeve join, driving tapered sleeve connects by base plate, and the cylinder or the oil cylinder other end that are installed on the base plate are connected with frame, drive moving axially of tapered sleeve by cylinder or oil cylinder control, thereby driving lever rotates along bearing pin, earlier stir the claw radial displacement by the projection on the lever, make the further radial displacement of claw by driving tapered sleeve again, and clamp or loosen plug, owing to be by lever and drive tapered sleeve and control moving radially of claw, so increase the radially impulse stroke of claw, reliable clamping mandrel and can not produce the position and be offset.The utility model drives the driving tapered sleeve again by cylinder or oil cylinder drive base plate moves lever and claw, thereby realize automatically and quickly the plug in the active hollow shaft being clamped or loose shape by claw, thereby need not the labour intensity that manual clamping can alleviate the operator, enhance productivity.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is a structural representation of the present utility model.
Wherein: the 1-frame, 2-is hollow shaft initiatively, the 2-1-notch, 3-drives tapered sleeve, 3-1-annular bottom surface, 3-2-counterbore, the 4-lever, 4-1-shifting block, 4-2-bearing, 4-3-briquetting, 5-bearing pin, 6-thrust bearing, the 7-gland, 8-base plate, 9-cylinder, 10-claw, 11-bearing, 12-plug.
The specific embodiment
See shown in Fig. 1,2 that the automatic chuck mechanism that cold pilger mill of the present utility model is used comprises frame 1, active hollow shaft 2 and claw 10, initiatively hollow shaft 2 is installed on the frame 1 by bearing 11, and claw 10 is installed on the active hollow shaft 2.Front side wall upper edge on the utility model active hollow shaft 2 is axially arranged with plural notch 2-1, each notch 2-1 can be isometric, can be provided with two notch 2-1 or three notches or more a plurality of notch, each notch 2-1 five equilibrium setting along the circumferential direction, plural claw 10 is installed in each notch 2-1 front portion, plural lever 4 is hinged in each notch 2-1 by bearing pin 5, and the shifting block 4-1 of lever 4 front ends is installed in the slot at claw 10 rear portions, lever 4 has the briquetting 4-3 of evagination between bearing pin 5 and shifting block 4-1, the rear portion has bearing 4-2, has the inclined-plane on the bearing 4-2, the bearing 4-2 of lever 4 and briquetting 4-3 are arranged on and drive in the tapered sleeve 3, having from inside to outside, 3 sliding the joining of driving tapered sleeve of flaring taper hole are installed on the active hollow shaft 2, drive tapered sleeve 3 and have the counterbore 3-2 of diameter greater than taper hole, bearing 4-2 on the lever 4 is arranged in the counterbore 3-2 that drives tapered sleeve 3, briquetting 4-3 on the lever 4 is arranged in the taper hole that drives tapered sleeve 3, the briquetting 4-3 of lever 4 and bearing 4-2 join with the taper hole and the counterbore 3-2 that drive tapered sleeve 3 respectively, the formation higher pair connects, this monolateral tapering that drives tapered sleeve 3 taper holes is between 3～10 °, drive tapered sleeve 3 and have bigger coupling mechanism force, drive claw 10 radially to bottom offset thereby rotate and depress briquetting 4-3 around bearing pin 5 by lever 4.See shown in Figure 2, the shifting block 4-1 of the utility model lever 4 is a bulb, bulb is arranged in the U-shaped draw-in groove of claw 10, driving tapered sleeve 3 is connected with base plate 8, the cylinder 9 or the oil cylinder other end that are installed on the base plate 8 are connected with frame 1, drive driving tapered sleeve 3 by cylinder 9 or hydraulic oil cylinder driving base plate 8 and move axially.
See shown in Fig. 1,2 that the utility model drives tapered sleeve 3 and has annular bottom surface 3-1, the inner face of base plate 8 and annular bottom surface 3-1 join, and gland 7 is installed in and drives on the tapered sleeve 3, and between base plate 8 and the gland 7 thrust bearing 6 is installed also, and be stressed steady.
See shown in Figure 2, during the utility model work, when the piston rod of cylinder 9 stretches out, promote base plate 8 drive driving tapered sleeves 3 and move right, lever 4 turns clockwise around bearing pin 5, the briquetting 4-3 on the taper hole depress lever 4 of driving tapered sleeve 3, the shifting block 4-1 drive claw 10 of lever 4 front portions is radially moved down, continue to the right to move along with driving tapered sleeve 3, the interior poppet surface and the claw 10 outer poppet surfaces that drive tapered sleeve 3 are fitted, and claw 10 will clamp plug 12 reliably.Piston rod retraction when cylinder 9, base plate 8 drives driving tapered sleeve 3 and is moved to the left, briquetting 4-3 does not join with the taper hole that drives tapered sleeve 3, drives the counterbore 3-2 of tapered sleeve 3 and end face thereof and promotes lever 4 and be rotated counterclockwise around bearing pin 5, and the shifting block 4-1 of lever 4 drives claw 10 footpaths and upwards moves and unclamp plug 12.Make things convenient for claw 10 to clamp plug 12 automatically, and drive plug 12 is done periodic gyration.
Claims (4)
1. automatic chuck mechanism that cold pilger mill is used, comprise frame (1), active hollow shaft (2) and claw (10), initiatively hollow shaft (2) is installed on the frame (1) by bearing (11), claw (10) is installed on the active hollow shaft (2), it is characterized in that: the front side wall upper edge of described active hollow shaft (2) is axially arranged with plural notch (2-1), plural claw (10) is installed in each notch (2-1) front portion, plural lever (4) is hinged in each notch (2-1) by bearing pin (5), and the shifting block (4-1) of lever (4) front end is installed in the slot at claw (10) rear portion, lever (4) is positioned at the briquetting (4-3) of evagination between bearing pin (5) and the shifting block (4-1) and the bearing (4-2) at rear portion is separately positioned on driving tapered sleeve (3), having from inside to outside, sliding the joining of driving tapered sleeve (3) of flaring taper hole is installed on the active hollow shaft (2), drive tapered sleeve (3) and be connected with base plate (8), the cylinder (9) or the oil cylinder other end that are installed on the base plate (8) are connected with frame (1).
2. the automatic chuck mechanism that cold pilger mill according to claim 1 is used, it is characterized in that: described driving tapered sleeve (3) has the counterbore (3-2) of diameter greater than taper hole, the briquetting (4-3) of lever (4) and bearing (4-2) are separately positioned in the taper hole and counterbore (3-2) that drives tapered sleeve (3), bearing (4-2) is provided with the inclined-plane, and the monolateral tapering of driving tapered sleeve (3) taper hole is between 3～10 °.
3. the automatic chuck mechanism that cold pilger mill according to claim 1 and 2 is used, it is characterized in that: described driving tapered sleeve (3) has annular bottom surface (3-1), the inner face of base plate (8) and annular bottom surface (3-1) join, gland (7) is installed in and drives on the tapered sleeve (3), and between base plate (8) and the gland (7) thrust bearing (6) is installed also.
4. the automatic chuck mechanism that cold pilger mill according to claim 1 is used is characterized in that: the shifting block (4-1) of described lever (4) is a bulb, and bulb is arranged in the U-shaped draw-in groove of claw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200493200U CN201543649U (en) | 2009-10-10 | 2009-10-10 | Automatic chuck mechanism for cold-rolling pipe mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200493200U CN201543649U (en) | 2009-10-10 | 2009-10-10 | Automatic chuck mechanism for cold-rolling pipe mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201543649U true CN201543649U (en) | 2010-08-11 |
Family
ID=42598808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200493200U Expired - Fee Related CN201543649U (en) | 2009-10-10 | 2009-10-10 | Automatic chuck mechanism for cold-rolling pipe mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201543649U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102463260A (en) * | 2010-11-09 | 2012-05-23 | 常熟市梅李机械制造有限公司 | Matching structure for power output shaft and mandrel chuck of swing mechanism of cold-rolling pipe mill |
| CN103008351A (en) * | 2012-12-31 | 2013-04-03 | 太原重工股份有限公司 | Ejector rod pushing equipment for perforating 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 |
| CN109746738A (en) * | 2017-11-02 | 2019-05-14 | 中国科学院沈阳自动化研究所 | Tubing repairs production line plug and clamps rotary module |
-
2009
- 2009-10-10 CN CN2009200493200U patent/CN201543649U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102463260A (en) * | 2010-11-09 | 2012-05-23 | 常熟市梅李机械制造有限公司 | Matching structure for power output shaft and mandrel chuck of swing mechanism of cold-rolling pipe mill |
| CN103008351A (en) * | 2012-12-31 | 2013-04-03 | 太原重工股份有限公司 | Ejector rod pushing equipment for perforating machine |
| CN103008351B (en) * | 2012-12-31 | 2015-06-24 | 太原重工股份有限公司 | Ejector rod pushing equipment for perforating 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 |
| CN103286134B (en) * | 2013-06-14 | 2016-02-03 | 中国重型机械研究院股份公司 | A kind of mandrel stem clamp system of double-roller cold pilger mill |
| CN109746738A (en) * | 2017-11-02 | 2019-05-14 | 中国科学院沈阳自动化研究所 | Tubing repairs production line plug and clamps rotary module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20111010 |