CN103878601B - A kind of self-centering Automatic-clamping centre frame on Digit Control Machine Tool - Google Patents
A kind of self-centering Automatic-clamping centre frame on Digit Control Machine Tool Download PDFInfo
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- CN103878601B CN103878601B CN201410131179.4A CN201410131179A CN103878601B CN 103878601 B CN103878601 B CN 103878601B CN 201410131179 A CN201410131179 A CN 201410131179A CN 103878601 B CN103878601 B CN 103878601B
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- centre frame
- gear
- frame body
- ring
- clamping
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
Abstract
The invention discloses the self-centering Automatic-clamping centre frame on a kind of Digit Control Machine Tool, including supporting mechanism, transmission mechanism and clamp system, supporting mechanism includes centre frame body, centre frame body is arranged on machine tool guideway, centre frame body is provided with gear ring, limited block, the support of bearing, mobile axle sleeve, set bar and adjustment axle, the end face of described gear ring is radially provided with the kidney slot of multiple uniform inclination, it is separately installed with mobile axle sleeve with on the centre frame body of each kidney slot correspondence position, the cylindrical of each mobile axle sleeve is mounted on set bar, each set bar is arranged in the kidney slot that described gear ring is uniform ordinatedly, adjust axle to be arranged in described mobile axle sleeve, it is sequentially installed with spherical washer in the end, clamping one end of described adjustment axle, floating jacket and spherical back-up ring.Self-centering Automatic-clamping centre frame on a kind of Digit Control Machine Tool of the present invention, drives ring gear against rotation by gear shaft, drives set bar to move along kidney slot by ring gear against rotation thus drives and adjust the effect that axle is moved to tighten.
Description
Technical field
The present invention relates to technical field of mechanical equipment, particularly to the self-centering Automatic-clamping centre frame of a kind of Digit Control Machine Tool for processing Model For The Bush-axle Type Parts.
Background technology
In machine industry, Digit Control Machine Tool particularly numerically controlled lathe is widely used in processing dish class, axial workpiece.Conventional rotary part adds man-hour, there are many parts need to carry out cylindrical, end face, screw thread and the machining axially cut off with end face and endoporus as clamping face, location, this part is processed, and particularly cylindrical, end face and screw thread etc. can have many traditional clamping positioning mechanisms to meet use requirement.And man-hour is added for the bigger end face of Model For The Bush-axle Type Parts, endoporus and the internal thread of draw ratio, when particularly the size at part two ends has the highest Geometrical Tolerance Principle, part processing of turning around can bring about clamping error, affects the requirement of part processing precision.At this moment need to clamp the cylindrical of workpiece, for the Model For The Bush-axle Type Parts that specification is bigger, with common centering center rest clamping, owing to stiff problem can cause process to vibrate, affect crudy；Or want part self-centering to fix to clamp, it is achieved complete part processing from part two ends, traditional centering center rest also cannot meet use requirement simultaneously.The most once use other clamping means a lot of and clamping device, but all too high because of manufacturing cost or because of its structure complexity and exchange were poor, and be unable to reach ideal effect.
Summary of the invention
It is an object of the invention to provide the self-centering Automatic-clamping centre frame processing large-scale Model For The Bush-axle Type Parts on Digit Control Machine Tool that a kind of applicability is wide, stability is high.
nullFor achieving the above object，The invention provides the self-centering Automatic-clamping centre frame on a kind of Digit Control Machine Tool,Including supporting mechanism、Transmission mechanism and clamp system，Described transmission mechanism and clamp system are arranged on described supporting mechanism，The motion of described clamp system is driven by described transmission mechanism，Described supporting mechanism includes centre frame body，Described centre frame body is arranged on machine tool guideway，Described clamp system includes mobile axle sleeve、Adjust axle and set bar，End face at described transmission mechanism is radially provided with the kidney slot of multiple uniform inclination，Described kidney slot tilts the most laterally，It is separately installed with mobile axle sleeve with on the centre frame body of each described kidney slot correspondence position，In each uniform adjusting hole being arranged on centre frame body of described mobile axle sleeve，The cylindrical of each described mobile axle sleeve is mounted on set bar，Each described set bar is arranged in the kidney slot that described gear ring is uniform ordinatedly，Described adjustment axle is arranged in described mobile axle sleeve，It is sequentially installed with spherical washer in the end, clamping one end of described adjustment axle、Floating jacket and spherical back-up ring，Two end faces up and down of described floating jacket are sphere，And it is arranged above tapped spherical back-up ring at described floating jacket，The spherical washer of unthreaded hole is installed in the lower section of described floating jacket.
nullWherein said transmission mechanism includes gear ring and gear shaft，Described centre frame body is provided with gear ring、Limited block and the support of bearing，The cooperation of described gear ring is contained on the axle of described centre frame body，Multiple limited block circumferences are uniformly arranged on described centre frame body，And it is positioned at the outside of described gear ring for limiting the axial location of described gear ring，The end face of described gear ring is radially provided with the kidney slot of multiple uniform inclination，Described kidney slot tilts the most laterally，Multiple described kidney slots distribute alternately with multiple described limited blocks，The described support of bearing is arranged on described centre frame body circumference side，And on the described support of bearing, it is provided with gear shaft and bearing，Gear is installed in the middle part of described gear shaft，It is respectively arranged with bearing at the two ends of described gear shaft，Gear ring engages with the end gear of gear shaft，Described ring gear against rotation is driven by described gear shaft，The described support of bearing is provided with the first spacer、Second spacer and the 3rd spacer，It is separately positioned between left side bearing and gear，Between right side bearing and the step of gear shaft end and between gear and right side bearing.Axle sleeve is set between the step of bearing and gear and gear shaft end, the stability in operation process can be improved, prevent skew.
Self-centering Automatic-clamping centre frame on a kind of Digit Control Machine Tool of the present invention, drives ring gear against rotation by gear shaft, drives set bar to move along kidney slot by ring gear against rotation thus drives and adjust the effect that axle is moved to tighten.Surface error due to part itself, in clamping process, floating jacket may produce trace bias, just have even two floating jackets not enough to the clamping of part, affect the stability of centre frame holding parts, by being sequentially installed with spherical washer in the end, clamping one end adjusting axle, floating jacket and spherical back-up ring can solve this problem, two end faces of described floating jacket are designed as sphere, spherical back-up ring and spherical washer are installed at described sphere, one is internal thread, one is unthreaded hole, by tapped spherical back-up ring, the spherical washer of floating jacket Yu band unthreaded hole is fixed on the end face of adjustment axle；The spherical washer of described bolt front end band unthreaded hole and floating jacket, tapped spheric washer carry out mating spherical surfaces, it is achieved clamping is floated.
As the preferred technical solution of the present invention, it is provided with adjustment axle in each described mobile axle sleeve, lateral ends at each described mobile axle sleeve is provided with fixed cover, the one end adjusting screw rod is arranged on described fixed cover, and it is provided with handle on described adjustment screw rod, being connected described handle by bearing pin and adjust screw rod, the other end of described adjustment screw rod is connected with described adjustment axle one end by screw thread；Described limited block is 3, and described kidney slot, mobile axle sleeve, adjustment axle, set bar, spherical washer, floating jacket and spherical back-up ring are 3；Each described mobile axle sleeve is that small-gap suture coordinates with the adjusting hole on centre frame body, described spherical washer is that wide arc gap coordinates with the thread spindle adjusted on axle, spherical washer, floating jacket and the tapped spherical back-up ring of described adjustment axle front end band unthreaded hole carry out mating spherical surfaces, and described spherical washer, floating jacket, spherical back-up ring are matched in clearance each other.By adjust screw rod with adjust axle threaded adjustment axle, and arrange on screw rod that handle is convenient to be operated adjusting；Described spherical washer, floating jacket, spherical back-up ring are matched in clearance each other, during shifting axle set axially-movable, possibility is provided for spherical washer floating on concave surface, simultaneously, by using the leakproof fit float design of sphere, the situation that when effectively have modified Clamp blocks, part outer is the most positive, improves the stability of self-centering Automatic-clamping centre frame clamping, improves the precision of processing.
Gear is installed in the middle part of described gear shaft, two described bearings lay respectively at the both sides of described gear, tooth bar it is provided with in fairlead, described rack and pinion engages, one end of tooth bar is coupled with oil cylinder by locking nut, the other end of described oil cylinder is rotatably connected on cylinder bracket, and described cylinder bracket is fixed on described centre frame body；Described gear is arranged on the middle part of gear shaft by key.Oil cylinder band carry-over bar moves driving gear driven ring gear against rotation, drives 3 adjusting sleeves to move radially along centre frame body circumference by set bar, it is achieved the radial direction locking of axial workpiece.
A kind of self-centering Automatic-clamping centre frame on the Digit Control Machine Tool of the present invention, novel structure, good stability firm to Model For The Bush-axle Type Parts clamping, machining accuracy can be ensured well, shorten the non-cutting time of part processing, improve operating efficiency.Fixed by the clamping mode of adjustment part, i.e. part, cutter rotates, it is achieved part Double End and interior hole machined；Also can mate with lathe rolling clamp, change the end form of floating jacket, it is achieved one end of part and the processing of end endoporus, therefore this fixture has the strongest generalization and practicality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is that the A-A of Fig. 1 is to sectional view；
Wherein, 1-machine tool guideway, 2-centre frame body, 3-gear ring, 4-limited block, 5-gear shaft, 6-fairlead, 7-tooth bar, 8-locking nut, 9-oil cylinder, 10-cylinder bracket, 11-moves axle sleeve, 12-spherical washer, 13-floating jacket, the spherical back-up ring of 14-, 15-gear, 16-bearing, 17-key, 18-the first spacer, 19-the second spacer, 20-the 3rd spacer, the 21-support of bearing, 22-adjusts axle, 23-set bar, and 24-adjusts screw rod, 25-fixed cover, 26-bearing pin, 27-handle, 28-kidney slot.
Detailed description of the invention
Describe the preferred technical solution of the present invention below in conjunction with the accompanying drawings in detail.
As shown in the figure, a kind of self-centering Automatic-clamping centre frame on the Digit Control Machine Tool of the present invention, including supporting mechanism, transmission mechanism and clamp system, described transmission mechanism and clamp system are arranged on described supporting mechanism, the motion of described clamp system is driven by described transmission mechanism, described supporting mechanism includes that centre frame body 2, described centre frame body 2 are arranged on machine tool guideway 1.
nullDescribed transmission mechanism includes gear ring 3 and gear shaft 5，Described centre frame body 2 is provided with gear ring 3、Limited block 4 and the support of bearing 21，The cooperation of described gear ring 3 is contained on the axle of described centre frame body 2，3 limited block 4 circumferences are uniformly arranged on described centre frame body 2，And it is positioned at the outside of described gear ring 3 for limiting the axial location of described gear ring 3，The end face of described gear ring 3 is radially provided with the kidney slot 28 of 3 uniform inclinations，Described kidney slot 28 tilts the most laterally，3 described kidney slots 28 distribute alternately with 3 described limited blocks 4，The described support of bearing 21 is arranged on described centre frame body 2 circumference side，And on the described support of bearing 21, it is provided with gear shaft 5 and bearing 16，Gear 15 is installed in the middle part of described gear shaft 5，The both sides being positioned at described gear 15 on described gear shaft 5 are respectively arranged with bearing 16，Tooth bar 7 it is provided with in fairlead 6，Described tooth bar 7 engages with gear 15，One end of tooth bar 7 is coupled with oil cylinder 9 by locking nut 8，The other end of described oil cylinder 9 is rotatably connected on cylinder bracket 10，Described cylinder bracket 10 is fixed on described centre frame body 2，Described gear 15 is arranged on the middle part of gear shaft 5 by key 17，Gear ring 3 engages with the end gear of gear shaft 5，Described gear ring 3 is driven to rotate by described gear shaft 5.
nullDescribed clamp system includes mobile axle sleeve 11、Adjust axle 22 and set bar 23，It is separately installed with mobile axle sleeve 11 with on the centre frame body 2 of each described kidney slot 28 correspondence position，In each described uniform adjusting hole being arranged on centre frame body 2 of mobile axle sleeve 11，The cylindrical of each described mobile axle sleeve 11 is mounted on set bar 23，Each described set bar 23 is arranged in the kidney slot 28 that described gear ring 3 is uniform ordinatedly，Described adjustment axle 23 is arranged in described mobile axle sleeve 11，Lateral ends at each described mobile axle sleeve 11 is provided with fixed cover 25，The one end adjusting screw rod 24 is arranged on described fixed cover 25，And it is provided with handle 27 on described adjustment screw rod 24，Connected described handle 27 by bearing pin 26 and adjust screw rod 24，The other end of described adjustment screw rod 24 is connected with described adjustment axle 23 one end by screw thread，It is sequentially installed with spherical washer 12 in the end, clamping one end of each described adjustment axle 23、Floating jacket 13 and spherical back-up ring 14，Two end faces up and down of described floating jacket 13 are sphere，And it is arranged above tapped spherical back-up ring 14 at described floating jacket 13，The spherical washer 12 of unthreaded hole is installed in the lower section of described floating jacket 13.
Wherein, the described support of bearing 21 is provided with the first spacer 18, second spacer 19 and the 3rd spacer 20, it is separately positioned between left side bearing 16 and gear 15, between right side bearing 16 and the step of gear shaft 5 end and between gear 15 and right side bearing 16, each described mobile axle sleeve 11 is that small-gap suture coordinates with the adjusting hole on centre frame body 2, described spherical washer 12 is that wide arc gap coordinates with the thread spindle adjusted on axle 22, the spherical washer 12 of described adjustment axle 22 front end band unthreaded hole, floating jacket 13 and tapped spherical back-up ring 14 carry out mating spherical surfaces, described spherical washer 12, floating jacket 13, spherical back-up ring 14 is matched in clearance each other.
Self-centering Automatic-clamping centre frame on a kind of Digit Control Machine Tool of the present invention, drives ring gear against rotation by gear shaft, drives set bar to move along kidney slot by ring gear against rotation thus drives and adjust the effect that axle is moved to tighten.Surface error due to part itself, in clamping process, floating jacket may produce trace bias, just have even two floating jackets not enough to the clamping of part, affect the stability of centre frame holding parts, by being sequentially installed with spherical washer in the end, clamping one end adjusting axle, floating jacket and spherical back-up ring can solve this problem, two end faces of described floating jacket are designed as sphere, spherical back-up ring and spherical washer are installed at described sphere, one is internal thread, one is unthreaded hole, by tapped spherical back-up ring, the spherical washer of floating jacket Yu band unthreaded hole is fixed on the end face of adjustment axle；The spherical washer of described bolt front end band unthreaded hole and floating jacket, tapped spheric washer carry out mating spherical surfaces, it is achieved clamping is floated.
By adjust screw rod with adjust axle threaded adjustment axle, and arrange on screw rod that handle is convenient to be operated adjusting；Described spherical washer, floating jacket, spherical back-up ring are matched in clearance each other, during shifting axle set axially-movable, possibility is provided for spherical washer floating on concave surface, simultaneously, by using the leakproof fit float design of sphere, the situation that when effectively have modified Clamp blocks, part outer is the most positive, improves the stability of self-centering Automatic-clamping centre frame clamping, improves the precision of processing.
Oil cylinder band carry-over bar moves driving gear driven ring gear against rotation, drives 3 adjusting sleeves to move radially along centre frame body circumference by set bar, it is achieved the radial direction locking of axial workpiece.Axle sleeve is set between the step of bearing and gear and gear shaft end, the stability in operation process can be improved, prevent skew.
Wherein, distribution number on centre frame body of the size of gear ring of the present invention, shifting axle, the shape adjusting the floating jacket of shaft end, the size of kidney slot that adjusts on the adjustment length of screw rod, gear ring are by the size of institute's Clamp blocks and structures shape, but still within the scope of the present invention.
Beneficial effect: the self-centering Automatic-clamping center frame structure on a kind of Digit Control Machine Tool of the present invention is novel, firm to Model For The Bush-axle Type Parts clamping, good stability, can ensure machining accuracy well, shorten the non-cutting time of part processing, improve operating efficiency.Fixed by the clamping mode of adjustment part, i.e. part, cutter rotates, it is achieved part Double End and interior hole machined；Also can mate with lathe rolling clamp, change the end form of floating jacket, it is achieved one end of part and the processing of end endoporus, therefore this fixture has the strongest generalization and practicality.
Shown in Fig. 1, Fig. 2, when self-centering Automatic-clamping centre frame according to clamping part the position of machine tool guideway 1 position after, adjust handle 27 rotation adjustment screw rod 24 and move adjustment axle 22 to suitable position, oil cylinder 9 moves band carry-over bar 7 and moves, spacing by fairlead 6 with hour rack 7 and guide, and tooth bar 7 makes gear 15 rotate counterclockwise, now, owing to gear ring 3 coordinates installation with centre frame body 2, and by limited block 4 axial limiting so that gear ring 3 can only rotate clockwise；When gear ring 3 rotates clockwise, the mounting hole that the set bar 23 being arranged on mobile axle sleeve 11 the most also tilts with 3 be distributed on gear ring 3 coordinates, it is arranged on centre frame body 23 mobile axle sleeves 22 can only radially move under the drive of set bar 23, it is achieved the clamping of Model For The Bush-axle Type Parts cylindrical.In order to avoid due to the surface error of part itself, in clamping process, floating jacket 13 may produce trace bias, just have even two floating jackets 13 not enough to the clamping of part, affect the stability of centre frame holding parts, to this end, the two of floating jacket 13 end faces are designed as sphere, spherical washer 12 and spherical back-up ring 14 are installed at sphere, by spherical back-up ring 14, floating jacket 13 and spherical washer 12 are fixed on the end face of adjustment axle 22, it is achieved clamping is floated.
The above is only the preferred embodiment of the present invention; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (5)
- null1. the self-centering Automatic-clamping centre frame on a Digit Control Machine Tool,It is characterized in that: include supporting mechanism、Transmission mechanism and clamp system，Described transmission mechanism and clamp system are arranged on described supporting mechanism，The motion of described clamp system is driven by described transmission mechanism，Described supporting mechanism includes centre frame body (2)，Described centre frame body (2) is arranged on machine tool guideway (1)，The guide rail that described machine tool guideway (1) is T-shaped by two cross sections is connected with described centre frame body (2)，The position corresponding described centre frame body (2) is provided with the groove that shape is suitable，Described clamp system includes mobile axle sleeve (11)、Adjust axle (22) and set bar (23)，End face at described transmission mechanism is radially provided with the kidney slot (28) of multiple uniform inclination，Described kidney slot (28) tilts the most laterally，It is separately installed with mobile axle sleeve (11) with on the centre frame body (2) of each described kidney slot (28) correspondence position，In each uniform adjusting hole being arranged on centre frame body (2) of described mobile axle sleeve (11)，The cylindrical of each described mobile axle sleeve (11) is mounted on set bar (23)，Each described set bar (23) is arranged in the uniform kidney slot (28) of gear ring (3) ordinatedly，Described adjustment axle (22) is arranged in described mobile axle sleeve (11)，It is sequentially installed with spherical washer (12) in the end, clamping one end of described adjustment axle (22)、Floating jacket (13) and spherical back-up ring (14)，Two end faces up and down of described floating jacket (13) are sphere，And it is arranged above tapped spherical back-up ring (14) at described floating jacket (13)，The spherical washer (12) of unthreaded hole is installed in the lower section of described floating jacket (13).
- Self-centering Automatic-clamping centre frame on a kind of Digit Control Machine Tool the most as claimed in claim 1, it is characterized in that: in each described mobile axle sleeve (11), be provided with adjustment axle (22), lateral ends each described mobile axle sleeve (11) is provided with fixed cover (25), the one end adjusting screw rod (24) is arranged on described fixed cover (25), and it is provided with handle (27) on described adjustment screw rod (24), connected described handle (27) by bearing pin (26) and adjust screw rod (24), the other end of described adjustment screw rod (24) is connected with described adjustment axle (22) one end by screw thread.
- nullSelf-centering Automatic-clamping centre frame on a kind of Digit Control Machine Tool the most as claimed in claim 1 or 2,It is characterized in that: described transmission mechanism includes gear ring (3) and gear shaft (5)，Described centre frame body (2) is provided with gear ring (3)、Limited block (4) and the support of bearing (21)，Described gear ring (3) cooperation is contained on the axle of described centre frame body (2)，Multiple limited blocks (4) circumference is uniformly arranged on described centre frame body (2)，And the outside being positioned at described gear ring (3) is used for limiting the axial location of described gear ring (3)，The end face of described gear ring (3) is radially provided with the kidney slot (28) of multiple uniform inclination，Described kidney slot (28) tilts the most laterally，Multiple described kidney slots (28) distribute alternately with multiple described limited blocks (4)，The described support of bearing (21) is arranged on described centre frame body (2) circumference side，And on the described support of bearing (21), it is provided with gear shaft (5) and bearing (16)，Gear (15) is installed in the middle part of described gear shaft (5)，It is respectively arranged with bearing (16) at the two ends of described gear shaft (5)，Gear ring (3) engages with the end gear of gear shaft (5)，Described gear ring (3) is driven to rotate by described gear shaft (5)，The described support of bearing (21) is provided with the first spacer (18)、Second spacer (19) and the 3rd spacer (20)，It is separately positioned between left side bearing (16) and gear (15)，Between right side bearing (16) and the step of gear shaft (5) end and between gear (15) and right side bearing (16)，Described gear (15) is arranged on the middle part of gear shaft (5) by key (17).
- Self-centering Automatic-clamping centre frame on a kind of Digit Control Machine Tool the most as claimed in claim 3, it is characterized in that: gear (15) is installed in the middle part of described gear shaft (5), two described bearings (16) lay respectively at the both sides of described gear (15), tooth bar (7) it is provided with in fairlead (6), described tooth bar (7) engages with gear (15), one end of tooth bar (7) is coupled with oil cylinder (9) by locking nut (8), the other end of described oil cylinder (9) is rotatably connected on cylinder bracket (10), described cylinder bracket (10) is fixed on described centre frame body (2).
- Self-centering Automatic-clamping centre frame on a kind of Digit Control Machine Tool the most as claimed in claim 4, it is characterized in that: described limited block (4) is 3, described kidney slot (28), mobile axle sleeve (11), adjustment axle (22), set bar (23), spherical washer (12), floating jacket (13) and spherical back-up ring (14) are 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410131179.4A CN103878601B (en) | 2014-04-03 | 2014-04-03 | A kind of self-centering Automatic-clamping centre frame on Digit Control Machine Tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410131179.4A CN103878601B (en) | 2014-04-03 | 2014-04-03 | A kind of self-centering Automatic-clamping centre frame on Digit Control Machine Tool |
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| Publication Number | Publication Date |
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| CN103878601A CN103878601A (en) | 2014-06-25 |
| CN103878601B true CN103878601B (en) | 2016-09-07 |
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| CN201410131179.4A Expired - Fee Related CN103878601B (en) | 2014-04-03 | 2014-04-03 | A kind of self-centering Automatic-clamping centre frame on Digit Control Machine Tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105458308B (en) * | 2016-02-01 | 2017-08-04 | 广东石油化工学院 | The uniform reducing slender axles follow-rest of turning |
| CN106180853B (en) * | 2016-08-26 | 2018-10-16 | 合肥市华林模具有限公司 | The processing tool of lead screw splined hole |
| CN107520633B (en) * | 2017-07-21 | 2023-06-30 | 宁波海天精工股份有限公司 | Automatic centre frame of programmability |
| CN109483298A (en) * | 2019-01-14 | 2019-03-19 | 香农工业设备制造南京有限公司 | A kind of high stability gear-box applied to milling sample machine |
| CN111136430A (en) * | 2020-01-16 | 2020-05-12 | 章丘市广大石化配件有限公司 | Flange machining process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE3916122C1 (en) * | 1989-05-18 | 1990-09-27 | Hoesch Ag, 4600 Dortmund, De | |
| US5007291A (en) * | 1989-10-05 | 1991-04-16 | Scan Systems, Inc. | Ultrasonic inspection apparatus with centering means for tubular members |
| CN202053086U (en) * | 2011-04-21 | 2011-11-30 | 烟台环球数控装备有限公司 | Numerical control self-centering center frame |
| CN202329668U (en) * | 2011-11-11 | 2012-07-11 | 上海宝信软件股份有限公司 | Three-claw centering device |
| CN202351220U (en) * | 2011-12-10 | 2012-07-25 | 无锡莱林检测机械有限公司 | Adjustable three-wheeled centering device |
| CN202428200U (en) * | 2012-01-17 | 2012-09-12 | 宁波捷成轴业有限公司 | Center frame for quickly clamping workpiece |
| CN103439414B (en) * | 2013-08-06 | 2015-06-24 | 杭州浙达精益机电技术股份有限公司 | Three-roller centring device for ultrasonic rotary flaw detector to clamp steel pipe |
| CN203875621U (en) * | 2014-04-03 | 2014-10-15 | 南京工程学院 | Self-centering automatic clamping center frame used for combined machine tool |
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