CN104057104A - Large table type seal head cutting positioner - Google Patents
Large table type seal head cutting positioner Download PDFInfo
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- CN104057104A CN104057104A CN201310091962.8A CN201310091962A CN104057104A CN 104057104 A CN104057104 A CN 104057104A CN 201310091962 A CN201310091962 A CN 201310091962A CN 104057104 A CN104057104 A CN 104057104A
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- rollover stand
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- roller bearing
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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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/02—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs
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Abstract
The invention discloses a large table type seal head cutting positioner which comprises a rotary table, a turning support, a rotary drive system, a base, a hydraulic system and a control system, wherein the rotary table comprises a rotary disk used for clamping a workpiece, a large roller bearing used for guiding and supporting, a hydraulic locking device and a rotary speed measurement device, the rotary disk is arranged on the large roller bearing and supported by the large roller bearing, and the hydraulic locking device and the rotary speed measurement device are arranged on the turning support and used for locking the rotary disk. The large table type seal head cutting positioner has improvement in the aspects of position accuracy control, dynamic and static rigidity of rotating and turning, the structural design and the like, can achieve higher indexing accuracy and rotating speed control, and is simple in structure and high in strength.
Description
Technical field
The present invention relates to a kind of welding auxiliary mould equipment, be specifically related to the corollary equipment of a kind of clamping to large-sized end enclosure class workpiece location and machining.
Background technology
Along with the fast development of oil, chemical industry, particularly nuclear power industry, increasing to the demand of the heavy vessels such as generator, interchanger, also more and more stricter to its machining accuracy and quality requirement.Wherein end socket machining is one of difficult point in heavy vessel processing.Processing content mainly comprises the connector and adaptor position on inside and outside spherical surface and sphere.The machining equipment adopting at present mainly contains two classes: the first, and heavy boring-milling center (6 axle interlock), is characterized in that machining accuracy is high, reliable in quality, easily realize computer-aided manufacturing, but equipment manufacturing cost is very expensive; The second, heavy type numerical control (or digital display) floor type boring machine or planer-type milling machine, and support the use special-purpose positioner, and be characterized in that machining accuracy is higher, can make full use of the existing process equipment of heavy industry enterprise, significantly reduce manufacturing cost.But existing positioner all can not meet the requirement of machining at aspects such as the velocity accuracy of structural rigidity, revolution and upset, positional precisions.
Date of declaration is on July 16th, 2008, Granted publication number is CN201086180Y's, name is called the Chinese invention patent of " positioner ", a kind of positioner is disclosed, this positioner only can be applicable to weld operating mode, at aspects such as the velocity accuracy of structural rigidity, revolution and upset, positional precisions, still can not meet the requirement of machining.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of equipment that can be specifically designed to machining heavy vessel end socket, and this equipment can meet the requirement of machining completely at aspects such as the velocity accuracy of structural rigidity, revolution and upset, positional precisions.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of large-scale desk-top end socket cutting positioner, comprise rotary table, rollover stand, gyroscopic drive system, support, hydraulic system and control system, below support is arranged on as main body framework, rollover stand be arranged on support above, rotary table is connected with gyroscopic drive system, be arranged on rollover stand, hydraulic system is also arranged on rollover stand, and is connected with rotary table simultaneously; Described rotary table comprises the rotary disk for clamping workpiece, large-sized roller bearing, hydraulic locking apparatus and the revolution speed measuring device that leads and support for rotary disk, rotary disk is arranged on large-sized roller bearing, and by its supporting, hydraulic locking apparatus and revolution speed measuring device are arranged on rollover stand, be positioned in the inner ring of large-sized roller bearing, for locking rotary disk; Large-sized roller bearing and gyroscopic drive system are also all arranged on rollover stand.
Further technical scheme is: on rotary disk, be provided with vertical turning grab, be arranged in the lip-deep locating slot of rotary disk, also have back degree angle dial below rotary disk.Vertical turning grab is for the workpiece of fixed placement on scratch diskette, and dial can accurately react the number of degrees of rotation.
Described large-sized roller bearing comprises ring gear, external toothing, three-row cylinder roller and retainer, and wherein ring gear is connected with rotary disk, and external toothing is connected with rollover stand, and three-row cylinder roller is housed between Internal and external cycle.Due to three-row cylinder roller being housed between Internal and external cycle, can bear large load axially, radially, make rotary table there is high strength and rigidity.
The structure of described large-sized roller bearing can also be to comprise ring gear, external toothing, three-row cylinder roller and retainer, external toothing is worm gear, connect with rotary disk, ring gear connects with rollover stand, between interior external toothing, three-row cylinder roller is housed, this structure is particularly suitable for the desk-top cutting positioner of fine finishining, and worm screw adopts gradually thick worm screw of two enveloping worms or pitch, and the axial location by mobile worm screw regulates gap.
Described hydraulic system comprises Hydraulic Station, upset hydraulic cylinder, locked hydraulic cylinder, fluid pressure line, hydraulic control valve etc., wherein Hydraulic Station is arranged on support inner chamber rear portion, and fluid pressure line enters rollover stand through trip shaft centre bore and is connected with locked hydraulic cylinder with upset hydraulic cylinder; Control system is also arranged on by the back cavity Hydraulic Station of support; Described rollover stand is box-shaped group welding piece, both sides welding trip shaft, and it is that hinge connects upset with rollover stand front end that upset drives the piston rod of hydraulic cylinder.Upset hydraulic cylinder adopts hinge mounting means, and hinged bearing adopts oscillating bearing, and cylinder body oilhole place arranges hydraulic lock.
The gear ring bottom of described large-sized roller bearing, is provided with some cover hydraulic locking apparatus on rollover stand, this hydraulic locking apparatus comprises two clamps, upset hydraulic cylinder, steel ball, spring and holds out against screw and retaining ring.Hydraulic locking apparatus, after upset puts in place, while starting to cut, makes scratch diskette in locking state.
Described revolution speed measuring device by the identical web gear of two numbers of teeth and rotating shaft, holding screw, axle sleeve, bearing, extension spring, rotary encoder level become, because the effect of extension spring makes two gear Heterogeneous Permutations, be adjacent to the teeth groove left and right sides of gear ring respectively, eliminate backlash.
On described rotary table, be provided with mechanical clear point device, this machinery clear point device comprises noncontacting switch and sensor block, and the gear ring on noncontacting switch and large-sized roller bearing reclines.
Described rotary table adopts dual drive system, and gyroscopic drive system comprises direct current generator and DC speed regulator, decelerator, driving gear, bearing.Motor and decelerator are flange direct connection, and decelerator is arranged on the inner chamber of rollover stand, and the driving gear assembling on its output shaft is meshed with the gear ring of large-sized roller bearing, drive rotary table rotation.
Operation principle of the present invention is: by the vertical turning grab clamping workpiece on rotary disk, the Driven by Hydraulic Cylinder of then overturning rollover stand, makes workpiece turning arrive the angle needing, and now hydraulic locking apparatus works, and adds back pressure, and rollover stand is in locking state; Then revolution drives rotary table to return back to the position needing, and now hydraulic locking apparatus works, and rotary table is in locking state.Can carry out the machining of workpiece like this.If rotary table need to turn round while stirring, control system is sent instruction, and the oil of clamping hydraulic cylinder epicoele flows back to fuel tank, and steel ball upwards lifts under the effect of spring, and clamp unclamps clamping ring, and at this moment gear ring and rotary disk can be done gyration.Because revolution speed measuring device has been eliminated backlash, workbench can turn round and calibration at any angle, and revolution speed measuring device carries out FEEDBACK CONTROL, therefore can reach higher indexing accuracy and rotating speed and control.
Compared with prior art, the invention has the beneficial effects as follows: domestic blank aspect heavy vessel end socket machining special tooling and auxiliary equipment has been filled up in manufacturing and designing of large-scale desk-top cutting positioner have improvement at aspects such as positional precision control, revolution and upset sound rigidity and structural designs; Can reach higher indexing accuracy and rotating speed and control, and structure is good, intensity is high.In view of the heavy boring-milling center of six-axis linkage very limited in the owning amount of China heavy industry enterprise, so developing of this product, can fully improve heavy type numerical control (or digital display) boring machine or planer-type milling machine utilization rate, reduce production costs, therefore there is certain economic implications.
Accompanying drawing explanation
Fig. 1 is primary structure schematic diagram of the present invention;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is that the B of Fig. 1 is to view;
Fig. 4 is that the A of rollover stand in Fig. 1 of the present invention is to view;
Fig. 5 is the amplification assumption diagram of hydraulic locking apparatus in the present invention;
Fig. 6 turns round the structure chart of speed measuring device in the present invention;
Fig. 7 is that the D of Fig. 6 is to view
Fig. 8 be in Fig. 4 mechanical clear point device along the cutaway view of C-C '.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
Embodiment 1:
As Figure 1-5, a kind of large-scale desk-top end socket cutting positioner, comprise rotary table, rollover stand 4, gyroscopic drive system 7, support 6, hydraulic system 3 and control system, below support is arranged on as main body framework, rollover stand 4 be arranged on support 6 above, rotary table is connected with gyroscopic drive system 7, be arranged on rollover stand 4, rotary table comprises the rotary disk 11 for clamping workpiece, for the large-sized roller bearing 12 that leads and support, hydraulic locking apparatus 13 and revolution speed measuring device 14, rotary disk 11 is arranged on large-sized roller bearing 12, and by its supporting, hydraulic locking apparatus 13 and revolution speed measuring device 14 are arranged on rollover stand 4, for locking when needed rotary disk 11, large-sized roller bearing 12 and gyroscopic drive system 7 are also all arranged on rollover stand 4.On rotary disk 11, be provided with vertical turning grab 18, be arranged in the lip-deep locating slot of rotary disk 11, also have back degree angle dial below rotary disk.Vertical turning grab 18 is for the workpiece on clamping scratch diskette, and dial can accurately react the number of degrees of rotation.The structure of described large-sized roller bearing 12 is divided into ring gear, three-row cylinder roller, retainer, external toothing etc., and wherein ring gear and rotary disk 11 connect, and outer ring is connected with rollover stand 4, between interior external toothing, three-row cylinder roller is housed.Due to three-row cylinder roller being housed between Internal and external cycle, can bear large load axially, radially, make rotary table there is high strength and rigidity.
Described hydraulic system 3 comprises Hydraulic Station 31, upset hydraulic cylinder 15, locked hydraulic cylinder 10, fluid pressure line, hydraulic control valve, Hydraulic Station 31 is arranged on support inner chamber rear portion, enters rollover stand 4 be connected with locked hydraulic cylinder 10 with upset hydraulic cylinder 15 by fluid pressure line through trip shaft centre bore; Control system 2 is also arranged on back cavity Hydraulic Station 31 sides of support 6; Rollover stand 4 is box-shaped group welding piece, both sides welding trip shaft, and upset hydraulic cylinder 15 adopts hinge mounting means with rollover stand 4 front ends, and hinged bearing adopts oscillating bearing, and cylinder body oilhole place arranges high-pressure and hydraulic lock, makes upset reach high strength and rigidity.
As shown in Figure 5, on the gear ring bottom rollover stand 4 of described large-sized roller bearing 12, some cover hydraulic locking apparatus 13 are installed, this hydraulic locking apparatus 13 comprises two clamps 19, locked hydraulic cylinder 10, steel ball 16, spring 17, latch segment 20, holds out against screw 18, hydraulic locking apparatus 13 is after upset puts in place, while starting to cut, make rollover stand in locking state.The epicoele of clamping hydraulic cylinder passes into pressure oil, piston is moved downward, can cross steel ball and strut two clamps, the retaining ring that gear ring with large-sized roller bearing 12 is connected clamps, and when workbench need to turn round, control system is sent instruction, the oil of clamping hydraulic cylinder epicoele flows back to fuel tank, steel ball upwards lifts under the effect of spring, and clamp unclamps clamping ring, and at this moment gear ring and rotary disk can be done gyration.
As shown in Figures 6 and 7, described revolution speed measuring device 14 is comprised of web gear 21 and rotating shaft 22, holding screw 23, axle sleeve 24, bearing 25, extension spring 27, rotary encoder 26, because the effect of extension spring 27 makes two gear Heterogeneous Permutations, be adjacent to the teeth groove left and right sides of gear ring respectively, eliminate backlash.Workbench can turn round and calibration at any angle, by revolution speed measuring device, carries out reading control, therefore can reach higher indexing accuracy and rotating speed and control.
As shown in Figure 8, be provided with mechanical clear point device on described rotary table, this machinery clear point device comprises noncontacting switch 41 and sensor block 42, and the gear ring on noncontacting switch and large-sized roller bearing 12 reclines.These parts first by the block collision limit switch being arranged on gear ring, slow down workbench when rotary table is done back to zero motion, and then the effect by sensor block and noncontacting switch is accurately parked on dead-center position workbench.
Described gyroscopic drive system 7 adopts dual drive systems, and gyroscopic drive system comprises direct current generator and DC speed regulator, decelerator, driving gear, bearing.Motor and decelerator are flange direct connection, and decelerator is arranged on the inner chamber of rollover stand, and the driving gear assembling on its output shaft is meshed with the gear ring of large-sized roller bearing, drive rotary table rotation.
Embodiment 2:
As Figure 1-5, a kind of large-scale desk-top end socket cutting positioner, comprises rotary table, rollover stand 4, gyroscopic drive system 7, support 6, hydraulic system 3 and control system.Below support is arranged on as main body framework, rollover stand 4 be arranged on support 6 above, rotary table and gyroscopic drive system 7 are arranged on rollover stand 4, and rotary table comprises rotary disk 11, the large-sized roller bearing 12 for leading and supporting, hydraulic locking apparatus 13 and the revolution speed measuring device 14 for supporting workpiece.Rotary disk 11 is arranged on large-sized roller bearing 12, and by its supporting.Hydraulic locking apparatus 13 and revolution speed measuring device 14 are arranged on rollover stand 4, for locking rotary disk 11 when the machining.The vertical turning grab 18 configuring on rotary disk 11, is arranged in the T-shaped groove of rotary disk 11 cards, is also provided with back degree angle dial below rotary disk.Vertical turning grab 18 is for the workpiece on clamping working table, and dial can accurately react the number of degrees that rotary disk rotates.Described large-sized roller bearing 12 is by external toothing, ring gear and be arranged on three-row cylinder roller between Internal and external cycle etc. and form, and ring gear connects with rotary disk 11, and outer ring connects with rollover stand 4.
Described hydraulic system 3 comprises Hydraulic Station 31, upset hydraulic cylinder 15, locked hydraulic cylinder 10, fluid pressure line, hydraulic control valve.Hydraulic Station 3 is arranged on support inner chamber rear portion, and fluid pressure line enters rollover stand 4 through trip shaft centre bore and is connected to upset hydraulic cylinder 15 and locked hydraulic cylinder 10; Control system 2 is also arranged on back cavity Hydraulic Station 31 sides of support 6; Rollover stand 4 is box-shaped group welding piece, both sides welding trip shaft, and upset hydraulic cylinder 15 adopts hinge mounting means with rollover stand 4 front ends, and hinged bearing adopts oscillating bearing, and cylinder body oilhole place arranges high-pressure and hydraulic lock, and the transmission that makes to overturn reaches high rigidity and high security.
As shown in Figure 5, on the ring gear the inside of described large-sized roller bearing 12, rollover stand 4, some cover hydraulic locking apparatus 13 are installed, this hydraulic locking apparatus 13 comprises two clamps 19, locked hydraulic cylinder 10, steel ball 16, spring 17, latch segment 20, holds out against screw 18.Hydraulic locking apparatus 13, after rotary disk revolution puts in place, while starting to cut, makes rotary disk in locking state.The epicoele of clamping hydraulic cylinder passes into pressure oil, piston is moved downward, can cross steel ball and strut two clamps, the retaining ring that gear ring with large-sized roller bearing 12 is connected clamps, and when workbench need to turn round, control system is sent instruction, the oil of clamping hydraulic cylinder epicoele flows back to fuel tank, steel ball upwards lifts under the effect of spring, and clamp unclamps clamping ring, and at this moment gear ring and rotary disk can be done gyration.
As shown in Figures 6 and 7, described revolution speed measuring device 14 is comprised of web gear 21 and rotating shaft 22, holding screw 23 axle sleeves 24, bearing 25, extension spring 27, rotary encoder 26, because the effect of extension spring 27 makes two gear Heterogeneous Permutations, be adjacent to the teeth groove left and right sides of gear ring respectively, eliminate backlash.Workbench can turn round and calibration at any angle, by revolution speed measuring device, carries out reading control, therefore can reach higher indexing accuracy and rotating speed and control.
As shown in Figure 8, be provided with mechanical clear point device on described rotary table, this machinery clear point device comprises noncontacting switch and sensor block, and the gear ring on noncontacting switch and large-sized roller bearing 12 reclines.These parts first by the block collision limit switch being arranged on gear ring, slow down workbench when rotary table is done back to zero motion, and then the effect by sensor block and noncontacting switch is accurately parked on dead-center position workbench.
Described gyroscopic drive system 7 adopts dual drive systems, and gyroscopic drive system comprises direct current generator and DC speed regulator, decelerator, driving gear, bearing.Motor and decelerator are flange direct connection, and decelerator is arranged on the inner chamber of rollover stand, and the driving gear assembling on its output shaft is meshed with the gear ring of large-sized roller bearing, drive rotary table rotation.
Have a talk about again selecting of some concrete parts below,
Hydraulic control valve adopts Sandwich plate valve, configure German BOSCH-REXROTH flow divider-combiner (band pressure compensation) and can keep 4 heavy-load hydraulic cylinders synchronously to drive, and each loop of overturning has independent regulatory function in hydraulic circuit.Allocation ratio electro-hydraulic pressure flow control valve (numerical control sequence valve)+proportional amplifier in hydraulic circuit, can realize the automatic control to hydraulic circuit pressure and speed, from face reach rollover stand starting, stop, the automatic control of switching process medium velocity and pressure.Allocation ratio pilot operated compound relief valve in hydraulic circuit, can realize the automatic control and adjustment to upset hydraulic circuit back pressure, thereby reach, improves upset stationarity and drives rigidity.
Control system is mainly comprised of Siemens CNC device+reponse systems such as Japanese Prk-face touch-screen+rotary encoder, realizes speed, the position of revolution and upset and automatically controls.As shown in Figure 2, control system is arranged on by support back cavity Hydraulic Station, is provided with overload protection, short-circuit protection, overvoltage protection and emergency stop switch.Interlock socket is set in electrical control cubicles, and the control operation separately of end socket cutting positioner, also can control with the interlock of heavy type numerical control (or digital display) floor type boring machine.
In this description, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, identical similar part cross-references between each embodiment.
Although with reference to a plurality of explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other modification and embodiments, and these are revised and within embodiment will drop on the disclosed principle scope and spirit of the application.
Claims (10)
1. one kind large-scale desk-top end socket cuts positioner, comprise rotary table, rollover stand, gyroscopic drive system, support, hydraulic system and control system, support is as main body framework, rollover stand be arranged on support above, rotary table is connected with gyroscopic drive system, be arranged on rollover stand, hydraulic system is also arranged on rollover stand, and be connected with rotary table simultaneously, it is characterized in that: described rotary table comprises the rotary disk for clamping workpiece, large-sized roller bearing for rotary disk guiding and supporting, hydraulic locking apparatus and revolution speed measuring device, rotary disk is arranged on large-sized roller bearing, and by its supporting, hydraulic locking apparatus and revolution speed measuring device are arranged on rollover stand, for locking rotary disk, large-sized roller bearing and gyroscopic drive system are also all arranged on rollover stand.
2. large-scale desk-top end socket cutting positioner according to claim 1, is characterized in that: on rotary disk, be provided with vertical turning grab, be arranged in the lip-deep locating slot of rotary disk, also have back the angle dial of spending below rotary disk.
3. large-scale desk-top end socket according to claim 2 cuts positioner, it is characterized in that: described large-sized roller bearing comprises ring gear, three-row cylinder roller, external toothing, retainer, wherein ring gear and rotary disk connect, outer ring is connected with rollover stand, and three-row cylinder roller is housed between Internal and external cycle.
4. large-scale desk-top end socket according to claim 2 cuts positioner, it is characterized in that: described large-sized roller bearing comprises ring gear, three-row cylinder roller, external toothing, retainer, outer ring is worm gear, connect with rotary disk, inner ring connects with rollover stand, and three-row cylinder roller is housed between Internal and external cycle.
5. according to the large-scale desk-top end socket cutting positioner described in claim 3 or 4, it is characterized in that: described hydraulic system comprises Hydraulic Station, upset hydraulic cylinder, locked hydraulic cylinder, fluid pressure line, hydraulic control valve; Hydraulic Station is arranged on support inner chamber rear portion, and fluid pressure line enters rollover stand through trip shaft centre bore and is connected with locked hydraulic cylinder with upset hydraulic cylinder; Control system is also arranged on by the back cavity Hydraulic Station of support; Rollover stand is box-shaped group welding piece, both sides welding trip shaft, and it is that hinge connects upset with rollover stand front end that upset drives the piston rod of hydraulic cylinder.
6. large-scale desk-top end socket cutting positioner according to claim 5, is characterized in that: upset hydraulic cylinder adopts hinge mounting means, and hinged bearing adopts oscillating bearing, and cylinder body oilhole place arranges hydraulic lock.
7. large-scale desk-top end socket according to claim 6 cuts positioner, it is characterized in that: the gear ring bottom of described large-sized roller bearing, some cover hydraulic locking apparatus are installed on rollover stand, and this hydraulic locking apparatus comprises two clamps, locked hydraulic cylinder, steel ball, springs and holds out against screw and retaining ring.
8. large-scale desk-top end socket according to claim 6 cuts positioner, it is characterized in that: described revolution speed measuring device is by the identical web gear of two numbers of teeth and rotating shaft, holding screw axle sleeve, bearing, extension spring, rotary encoder, because the effect of extension spring makes two gear Heterogeneous Permutations, be adjacent to the teeth groove left and right sides of gear ring respectively.
9. large-scale desk-top end socket according to claim 6 cuts positioner, it is characterized in that: on described rotary table, be provided with mechanical clear point device, this machinery clear point device comprises noncontacting switch and sensor block, and the gear ring on noncontacting switch and large-sized roller bearing reclines.
10. large-scale desk-top end socket cutting positioner according to claim 1, is characterized in that: described rotary table adopts dual drive system, and gyroscopic drive system comprises direct current generator and DC speed regulator, decelerator, driving gear, bearing; Motor and decelerator flange direct connection, decelerator is arranged on the inner chamber of rollover stand, and the driving gear assembling on its output shaft is meshed with the gear ring of large-sized roller bearing, drives rotary table rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310091962.8A CN104057104A (en) | 2013-03-21 | 2013-03-21 | Large table type seal head cutting positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310091962.8A CN104057104A (en) | 2013-03-21 | 2013-03-21 | Large table type seal head cutting positioner |
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| Publication Number | Publication Date |
|---|---|
| CN104057104A true CN104057104A (en) | 2014-09-24 |
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ID=51545199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310091962.8A Pending CN104057104A (en) | 2013-03-21 | 2013-03-21 | Large table type seal head cutting positioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN104057104A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128965A (en) * | 2018-09-18 | 2019-01-04 | 河北微宏惠工机器人科技有限公司 | A kind of heavy turn positioner device |
| CN110270847A (en) * | 2019-07-16 | 2019-09-24 | 无锡京华重工装备制造有限公司 | A kind of resilient structure of vertical vehicle milling workbench |
-
2013
- 2013-03-21 CN CN201310091962.8A patent/CN104057104A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109128965A (en) * | 2018-09-18 | 2019-01-04 | 河北微宏惠工机器人科技有限公司 | A kind of heavy turn positioner device |
| CN110270847A (en) * | 2019-07-16 | 2019-09-24 | 无锡京华重工装备制造有限公司 | A kind of resilient structure of vertical vehicle milling workbench |
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Application publication date: 20140924 |