CN204471106U - Automatic indexing right-angle head device on gantry machining center - Google Patents
Automatic indexing right-angle head device on gantry machining center Download PDFInfo
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- CN204471106U CN204471106U CN201520179645.6U CN201520179645U CN204471106U CN 204471106 U CN204471106 U CN 204471106U CN 201520179645 U CN201520179645 U CN 201520179645U CN 204471106 U CN204471106 U CN 204471106U
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Abstract
The utility model discloses automatic indexing right-angle head device on a kind of gantry machining center, when this automatic indexing right-angle head main shaft device is mounted on the ram of gantry machining center, if desired the operating angle position of horizontal main axis is adjusted, only need the decline by digital control system control piston bar, make ram main shaft drives right-angle head main shaft, thus make adjustment gear train work and horizontal main axis case opposing right angles head body is rotated, realize the adjustment of horizontal main axis operating angle; After adjustment, then order about piston rod and rise positioning tooth wheels are meshed location, realize the reset of automatic indexing right-angle head device.Like this, the automatic adjustment of horizontal main axis machining angle position on right-angle head device can be realized by digital control system, easy to adjust and Adjustment precision is high, by installing different cutters on horizontal main axis, the processing needs on processing work different angles inclined-plane can be met, the perfect machining functions of gantry machining center.
Description
Technical field
the utility model relates to automatic indexing right-angle head device on a kind of gantry machining center.
Background technology
in recent years, along with five Longmen machine tools design the development of process technologies and various accessories mill-head technology, in order to meet the needs of different workpieces and different operation, gantry machining center needs configuration to lengthen the accessories mill-head of the several functions such as milling head, right-angle milling head, universal milling head, thus five processing can be realized, the expansion lathe range of work, meets the needs of processing automatically.Therefore need a kind of right-angle head realizing automatic indexing and rotate, thus control by digital control system the automatic rotation realizing right-angle head, and then meet the needs on processing different angles inclined-plane.
Summary of the invention
the purpose of this utility model is to provide automatic indexing right-angle head device on a kind of gantry machining center, thus controls by digital control system and realize the automatic rotation of right-angle head, and then meets the needs on gantry machining center processing different angles inclined-plane.
for achieving the above object, the technical solution adopted in the utility model is: automatic indexing right-angle head device on a kind of gantry machining center, be arranged on the ram of gantry machining center, described ram comprises ram body, is rotatably located at ram main shaft on described ram body, and described automatic indexing right-angle head device comprises:
right-angle head body, described right-angle head body can be connected on described ram body regularly;
right-angle head main shaft, described right-angle head main shaft can be connected to regularly on described ram main shaft and also can rotate with described ram spindle synchronous;
hydraulic cylinder, the cylinder body of described hydraulic cylinder is located on described right-angle head body regularly, and the piston rod of described hydraulic cylinder can also can rotate around the axial line of described right-angle head main shaft in vertically oscilaltion;
horizontal main axis case, the lower end of described right-angle head main shaft is located at by described horizontal main axis case, described horizontal main axis case comprise be fixedly connected with described piston rod horizontal main axis casing, be located in described horizontal main axis casing and the horizontal main axis that extends in the horizontal direction of axial line, described horizontal main axis can be arranged around Pivot Point Center line rotatably by described right-angle head main shaft drives;
positioning tooth wheels, comprise mutually engageable first gear and the second gear, and described first gear and described right-angle head body fix setting, and described second gear and described piston rod fix setting;
adjustment gear train, comprise and can engage each other the 3rd gear and the 4th gear, described 3rd gear and described horizontal main axis casing fix setting, and described 4th gear is relative with described right-angle head main shaft to be arranged regularly;
described automatic indexing right-angle head device has angle adjustment state and non-angled adjustment state, when being in non-angled adjustment state, described first gear and the second gear engage each other, described 3rd gear departs from the 4th gear and engages, the operating angle of described horizontal main axis is fixed, and described right-angle head main shaft orders about described horizontal main axis and rotates under the drive of described ram main shaft; When being in angle adjustment state, described piston rod is elevated vertically and orders about described first gear and departs from the second gear and engage, described 3rd gear and the 4th gear engage each other, and described right-angle head main shaft orders about the relatively described right-angle head body of described horizontal main axis casing and rotates and realize the adjustment of described horizontal main axis operating angle.
preferably, described right-angle head body comprises the mount pad for being connected with described ram body, the installation sleeve be set in outside described right-angle head main shaft, the adapter sleeve be set in outside described installation sleeve, described installation sleeve is fixedly connected with described mount pad respectively with described adapter sleeve, described piston rod liftable and can being located at rotatably between described installation sleeve and described adapter sleeve around the axial line of described ram main shaft.
further preferably, the circumferential side wall of described installation sleeve offers annular groove, described piston rod is set in the outside of described installation sleeve, described piston rod has the piston in hollow and annular, described piston is along the circumferential direction plugged in described annular groove ordinatedly, the inner circumferential cell wall of described annular groove and the inner circumferential wall of described piston are tightly connected, and described annular groove is separated to form epicoele isolated mutually and cavity of resorption by described piston.
preferably, described automatic indexing right-angle head device also comprises in the form of a ring and is set in the dial outside described right-angle head body, and the relatively described piston rod of described dial is fixedly installed.
further preferably, described right-angle head body is installed with encoder, the main shaft of described encoder is provided with the 5th gear, described dial is fixedly provided with the 6th gear be meshed with described 5th gear, when described automatic indexing right-angle head device is in angle adjustment state, described piston rod rotarily drives the rotation of described 6th gear and the 5th gear with the adjustment angle making described encoder obtain described horizontal main axis.
still more preferably, described encoder is arranged on described right-angle head body by support regularly, described support is provided with switch module, described switch module comprise realize described horizontal main axis back to zero and detect the first switch, realize described piston rod move down state-detection second switch, realize described piston rod and to move up the 3rd switch of state-detection.
preferably, the bevel gear transmission for being in transmission connection is provided with between described horizontal main axis and described right-angle head main shaft, described horizontal main axis casing is also provided with the condensing nozzle that can spray cooling mist of oil, described bevel gear transmission is aimed in the outlet of described condensing nozzle.
preferably, described right-angle head body is also provided with cooling passage, described horizontal main axis casing offers and is connected for the coolant nozzle cooled workpiece to be processed with described cooling passage.
preferably, described right-angle head body is also provided with compressed air channel, the shaft end of described horizontal main axis is aimed in the outlet of described compressed air channel.
preferably, described automatic indexing right-angle head device is located in the annex head storehouse of described gantry machining center, the quick connector mechanism of hydraulic control is provided with between described right-angle head body and described ram body, the positioning key and locating slot that match is provided with between described right-angle head main shaft with described ram main shaft, when described right-angle head body is connected with described ram body by described quick connector mechanism, described positioning key is plugged in described locating slot ordinatedly.
due to the utilization of technique scheme, the utility model compared with prior art has following advantages: when this automatic indexing right-angle head main shaft device is mounted on the ram of gantry machining center, if desired the operating angle position of horizontal main axis is adjusted, only need the decline by digital control system control piston bar, make ram main shaft drives right-angle head main shaft, thus make adjustment gear train work and horizontal main axis case opposing right angles head body is rotated, realize the adjustment of horizontal main axis operating angle; After adjustment, then order about piston rod and rise positioning tooth wheels are meshed location, realize the reset of automatic indexing right-angle head device.Like this, the automatic adjustment of horizontal main axis machining angle position on right-angle head device can be realized by digital control system, easy to adjust and Adjustment precision is high, by installing different cutters on horizontal main axis, the processing needs on processing work different angles inclined-plane can be met, the perfect machining functions of gantry machining center.
Accompanying drawing explanation
accompanying drawing 1 is the main TV structure schematic diagram of automatic indexing right-angle head device of the present utility model;
accompanying drawing 2 is the side-looking structural representation of automatic indexing right-angle head device of the present utility model;
accompanying drawing 3 is along A-A in Fig. 2 to sectional structure schematic diagram;
accompanying drawing 4 is the plan structure schematic diagram of automatic indexing right-angle head device of the present utility model;
accompanying drawing 5 is along B-B in Fig. 2 to sectional structure schematic diagram;
accompanying drawing 6 is along C-C in Fig. 3 to sectional structure schematic diagram;
accompanying drawing 7 is the structural representation of switch module on automatic indexing right-angle head device of the present utility model
accompanying drawing 8 is the main TV structure schematic diagram of installation of automatic indexing right-angle head device of the present utility model and ram;
accompanying drawing 9 is along D-D in Fig. 8 to sectional structure schematic diagram.
wherein: 100, automatic indexing right-angle head device; 1, right-angle head body; 11, mount pad; 12, installation sleeve; 13, adapter sleeve; 2, right-angle head main shaft; 3, piston rod; 31, piston; 32, epicoele; 33, cavity of resorption; 4, horizontal main axis case; 41, horizontal main axis; 42, horizontal main axis casing; 43, coolant nozzle; 5, encoder; 51, the main shaft of encoder; 52, the 5th gear; 53, the 6th gear; 6, dial; 7, positioning tooth wheels; 71, the first gear; 72, the second gear; 8, gear train is adjusted; 81, the 3rd gear; 82, the 4th gear; 9, support; 90, switch module; 91, the first switch; 92, second switch; 93, the 3rd switch; 10, bevel gear transmission;
11a, quick connector one; 11b, quick connector two; 11c, quick connector three; 11d, quick connector four; 11e, quick connector five; 11f, quick connector six; 11g, quick connector seven;
200, ram; 201, ram body; 202, ram main shaft; 203, positioning key; 204, locating slot.
Detailed description of the invention
below in conjunction with accompanying drawing and specific embodiment, the technical solution of the utility model is further elaborated.
see shown in Fig. 1 to 9, automatic indexing right-angle head device on a kind of gantry machining center, this automatic indexing right-angle head device 100 is arranged on the ram 200 of gantry machining center.Ram 200 comprises ram body 201, is rotatably located at ram main shaft 202 on ram body 201.
automatic indexing right-angle head device 100 comprises:
right-angle head body 1, this right-angle head body 1 can be connected on ram body 201 regularly;
right-angle head main shaft 2, this straight joint main shaft 2 can be connected on ram main shaft 202 and regularly with ram main shaft 202 synchronous rotary;
hydraulic cylinder, the cylinder body of this hydraulic cylinder is located on right-angle head body 1 regularly, and the axial line of the piston rod 3 of hydraulic cylinder vertically distributes, and piston rod 3 can opposing cylinder oscilaltion, and piston rod 3 can rotate around the axial line of right-angle head main shaft 2;
horizontal main axis case 4, the lower end of right-angle head main shaft 2 is located at by this horizontal main axis case 4, this horizontal main axis case 4 comprise relative with piston rod 3 be fixedly connected with horizontal main axis casing 41, be located in horizontal main axis casing 41 and the horizontal main axis 42 that extends in the horizontal direction of axial line, horizontal main axis 42 is driven by right-angle head main shaft 2 and can arrange rotatably around Pivot Point Center line., between right-angle head main shaft 2 and horizontal main axis 42, be provided with bevel gear transmission 10 here, thus drive the rotation of horizontal main axis 42 by the rotation of right-angle head main shaft 2;
positioning tooth wheels 7, comprise mutually engageable first gear 71 and the second gear 72, first gear 71 fixes setting with right-angle head body 1, second gear 72 and piston rod 3 fix setting, when piston rod 3 oscilaltion, the first gear 71 can be ordered about and engage each other with the second gear 72 or depart from and engage;
adjustment gear train 8, comprise mutually engageable 3rd gear 81 and the 4th gear 82,3rd gear 81 fixes setting with horizontal main axis casing 41,4th gear 82 is relative with right-angle head main shaft 2 to be arranged regularly, like this, just can drive horizontal main axis casing 41 oscilaltion when piston rod 3 oscilaltion, thus the 3rd gear 81 can be ordered about realize engaging each other or departing from engaging with the 4th gear.
when this automatic indexing right-angle head device 100 does not need to carry out angle adjustment, first gear 71 and the second gear 72 engage each other, make to keep relative stability in the circumferential between piston rod 3 and right-angle head body 1,3rd gear 81 departs from the 4th gear 82 and engages, horizontal main axis 42 rotates around axial line under the driving of right-angle head main shaft 2 and ram main shaft 202, and then when installation accessories working head, workpiece is processed, this is the non-angled adjustment state of automatic indexing right-angle head device 100.
when needing the Working position adjusting horizontal main axis 42, first piston rod 3 moves down, first gear 71 is departed from the second gear 72 engage, and the 3rd gear 81 and the 4th gear 82 are converted to engagement, now, ram main shaft 202 drives right-angle head main shaft 2 to rotate, 4th gear 82 rotates and orders about the 3rd gear 81 and rotates, 3rd gear 81 just orders about horizontal main axis casing 41 and rotates together with horizontal main axis 42 opposing right angles head body 1, and then realize the adjustment of horizontal main axis 42 operating angle, this angle adjustment state being automatic indexing right-angle head device 100.After adjustment, order about piston rod 3 and move vertically, the 3rd gear 81 is departed from the 4th gear 82 and engages, and the first gear 71 again engages with the second gear 72 and realizes locating.
shown in each accompanying drawing, in the present embodiment, right-angle head body 1 comprises the mount pad 11 for being connected with ram body 201, the installation sleeve 12 be set in outside right-angle head main shaft 2, the adapter sleeve 13 be set in outside installation sleeve 12, installation sleeve 12 is fixedly connected with mount pad 11 respectively with the top of adapter sleeve 13, piston rod 3 liftable and can being located at rotatably between installation sleeve 12 and adapter sleeve 13 around the axial line of ram main shaft 2.Shown in Fig. 3 and Fig. 9, the circumferential side wall of installation sleeve 12 offers annular groove, piston rod 3 is set in the outside of installation sleeve 12, piston rod 3 has the piston 31 in hollow and annular, this piston 31 is along the circumferential direction plugged in above-mentioned annular groove ordinatedly, the inner circumferential cell wall of such annular groove is tightly connected mutually with the inner circumferential wall of piston 31, annular groove is made to be separated to form mutually isolated epicoele 32 and cavity of resorption 33 by piston 31, that is this installation sleeve 12 forms the cylinder body of hydraulic cylinder.
shown in each accompanying drawing, this automatic indexing right-angle head device 100 also comprises in the form of a ring and is set in the dial 6 outside right-angle head body 1, this dial 6 is relative with piston rod 3 to be arranged regularly, namely this dial 6 can be set on adapter sleeve 13 around the axial line of right-angle head main shaft 2 rotatably, the anglec of rotation of piston rod 3 can be known by dial 6, that is know the anglec of rotation of horizontal main axis case 4.Right-angle head body 1 is also installed with encoder 5, the main shaft 51 of this encoder 5 is provided with the 5th gear 52, dial 6 is fixedly provided with the 6th gear 53 be meshed with the 5th gear 52, like this, when dial 6 rotates, 6th gear 53 just can drive the 5th gear 52 to rotate, and then makes encoder 5 know the anglec of rotation of dial 6 and horizontal main axis case 4, realizes the accurate reading of horizontal main axis 42 anglec of rotation.Encoder 5 is fixed on right-angle head body 1 by support 9, support 9 is provided with switch module 90, this switch module 90 comprise realize horizontal main axis 42 back to zero and detect the first switch 91, loosening the second switch 92 of detection for realizing piston rod 3 downwards, upwards straining the 3rd switch 93 of detection for realizing piston rod 3.The data that encoder 5 is known can feed back to the digital control system on gantry machining center, and then digital control system can be controlled the angle that horizontal main axis 42 rotates, and make the precision of its angle adjustment higher.
this automatic indexing right-angle head device 100 is located in the annex head storehouse of gantry machining center, the quick connector mechanism of hydraulic control is provided with between right-angle head body 1 and ram body 201, the positioning key 203 and locating slot 204 that match is provided with between right-angle head main shaft 2 with ram main shaft 202, when right-angle head body 1 is connected with ram body 201 by above-mentioned quick connector mechanism, positioning key 203 is plugged in locating slot 204 ordinatedly, realize the location between ram main shaft 202 and right-angle head main shaft 2 and fix, just right-angle head main shaft 2 synchronous rotary can be driven when ram main shaft 202 rotates.
shown in Figure 4, straight joint body 1 is provided with multiple quick connector, comprising hydraulic oil and pass into interface quick connector one 11a, quick connector two 11b and quick connector three 11c, also comprising that cooling fluid passes into interface quick connector four 11d, compressed air passes into interface quick connector five 11e, lubricant mist passes into interface quick connector six 11f, for connecting quick connector seven 11g of encoder 5 wire.Wherein, quick connector one 11a is used for epicoele 32 fuel feeding to hydraulic cylinder, and quick connector two 11b is used for cavity of resorption 33 fuel feeding to hydraulic cylinder, and quick connector three 11c is used for the hydraulic cylinder fuel feeding to controlling the loose broaching tool of horizontal main axis 42.
shown in Figure 5, the horizontal main axis casing 41 of horizontal main axis case 4 is also provided with the condensing nozzle 43 that can spray cooling mist of oil, this condensing nozzle 43 is connected with quick connector six 11f, bevel gear transmission 10 is then aimed in the outlet of condensing nozzle 43, and then lubricates the gear of bevel gear transmission 10.Right-angle head body 1 is also provided with cooling passage (not shown), horizontal main axis casing 41 offers and is connected for the coolant nozzle cooled the Working position place of workpiece to be processed with this cooling passage, this cooling duct feeds cooling fluid by quick connector four 11d.Right-angle head body 1 is also provided with compressed air channel (not shown), this compressed air channel feeds compressed air by quick connector five 11e, the end of horizontal main axis 41 is then aimed in the outlet of compressed air channel, to blow to tool changing installed position, remove the impurity of this position, avoid the installation accuracy problem because impurity causes.
to sum up, automatic indexing right-angle head device on gantry machining center of the present utility model, the automatic rotation that can realize right-angle head device is controlled by digital control system, realize the automatic adjustment of horizontal main axis 42 machining angle position, its Adjustment precision is high, adjusts also very convenient, by installing different cutters on horizontal main axis 42, the needs on processing work different angles inclined-plane can be met, the perfect machining functions of gantry machining center.
above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (10)
1. automatic indexing right-angle head device on a gantry machining center, be arranged on the ram of gantry machining center, described ram comprises ram body, is rotatably located at ram main shaft on described ram body, and it is characterized in that, described automatic indexing right-angle head device comprises:
Right-angle head body, described right-angle head body can be connected on described ram body regularly;
Right-angle head main shaft, described right-angle head main shaft can be connected to regularly on described ram main shaft and also can rotate with described ram spindle synchronous;
Hydraulic cylinder, the cylinder body of described hydraulic cylinder is located on described right-angle head body regularly, and the piston rod of described hydraulic cylinder can also can rotate around the axial line of described right-angle head main shaft in vertically oscilaltion;
Horizontal main axis case, the lower end of described right-angle head main shaft is located at by described horizontal main axis case, described horizontal main axis case comprise be fixedly connected with described piston rod horizontal main axis casing, be located in described horizontal main axis casing and the horizontal main axis that extends in the horizontal direction of axial line, described horizontal main axis can be arranged around Pivot Point Center line rotatably by described right-angle head main shaft drives;
Positioning tooth wheels, comprise mutually engageable first gear and the second gear, and described first gear and described right-angle head body fix setting, and described second gear and described piston rod fix setting;
Adjustment gear train, comprise and can engage each other the 3rd gear and the 4th gear, described 3rd gear and described horizontal main axis casing fix setting, and described 4th gear is relative with described right-angle head main shaft to be arranged regularly;
Described automatic indexing right-angle head device has angle adjustment state and non-angled adjustment state, when being in non-angled adjustment state, described first gear and the second gear engage each other, described 3rd gear departs from the 4th gear and engages, the operating angle of described horizontal main axis is fixed, and described right-angle head main shaft orders about described horizontal main axis and rotates under the drive of described ram main shaft; When being in angle adjustment state, described piston rod is elevated vertically and orders about described first gear and departs from the second gear and engage, described 3rd gear and the 4th gear engage each other, and described right-angle head main shaft orders about the relatively described right-angle head body of described horizontal main axis casing and rotates and realize the adjustment of described horizontal main axis operating angle.
2. automatic indexing right-angle head device on gantry machining center according to claim 1, it is characterized in that, described right-angle head body comprises the mount pad for being connected with described ram body, the installation sleeve be set in outside described right-angle head main shaft, the adapter sleeve be set in outside described installation sleeve, described installation sleeve is fixedly connected with described mount pad respectively with described adapter sleeve, described piston rod liftable and can being located at rotatably between described installation sleeve and described adapter sleeve around the axial line of described ram main shaft.
3. automatic indexing right-angle head device on gantry machining center according to claim 2, it is characterized in that, the circumferential side wall of described installation sleeve offers annular groove, described piston rod is set in the outside of described installation sleeve, described piston rod has the piston in hollow and annular, described piston is along the circumferential direction plugged in described annular groove ordinatedly, the inner circumferential cell wall of described annular groove and the inner circumferential wall of described piston are tightly connected, and described annular groove is separated to form epicoele isolated mutually and cavity of resorption by described piston.
4. automatic indexing right-angle head device on gantry machining center according to claim 1, it is characterized in that, described automatic indexing right-angle head device also comprises in the form of a ring and is set in the dial outside described right-angle head body, and the relatively described piston rod of described dial is fixedly installed.
5. automatic indexing right-angle head device on gantry machining center according to claim 4, it is characterized in that, described right-angle head body is installed with encoder, the main shaft of described encoder is provided with the 5th gear, described dial is fixedly provided with the 6th gear be meshed with described 5th gear, when described automatic indexing right-angle head device is in angle adjustment state, described piston rod rotarily drives the rotation of described 6th gear and the 5th gear with the adjustment angle making described encoder obtain described horizontal main axis.
6. automatic indexing right-angle head device on gantry machining center according to claim 5, it is characterized in that, described encoder is arranged on described right-angle head body by support regularly, described support is provided with switch module, described switch module comprise realize described horizontal main axis back to zero and detect the first switch, realize described piston rod move down state-detection second switch, realize described piston rod and to move up the 3rd switch of state-detection.
7. automatic indexing right-angle head device on gantry machining center according to claim 1, it is characterized in that, the bevel gear transmission for being in transmission connection is provided with between described horizontal main axis and described right-angle head main shaft, described horizontal main axis casing is also provided with the condensing nozzle that can spray cooling mist of oil, described bevel gear transmission is aimed in the outlet of described condensing nozzle.
8. automatic indexing right-angle head device on gantry machining center according to claim 1, it is characterized in that, described right-angle head body is also provided with cooling passage, described horizontal main axis casing offers and is connected for the coolant nozzle cooled workpiece to be processed with described cooling passage.
9. automatic indexing right-angle head device on gantry machining center according to claim 1, is characterized in that, described right-angle head body is also provided with compressed air channel, and the shaft end of described horizontal main axis is aimed in the outlet of described compressed air channel.
10. automatic indexing right-angle head device on gantry machining center according to claim 1, it is characterized in that, described automatic indexing right-angle head device is located in the annex head storehouse of described gantry machining center, the quick connector mechanism of hydraulic control is provided with between described right-angle head body and described ram body, the positioning key and locating slot that match is provided with between described right-angle head main shaft with described ram main shaft, when described right-angle head body is connected with described ram body by described quick connector mechanism, described positioning key is plugged in described locating slot ordinatedly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520179645.6U CN204471106U (en) | 2015-03-27 | 2015-03-27 | Automatic indexing right-angle head device on gantry machining center |
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| CN201520179645.6U CN204471106U (en) | 2015-03-27 | 2015-03-27 | Automatic indexing right-angle head device on gantry machining center |
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| CN204471106U true CN204471106U (en) | 2015-07-15 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723169A (en) * | 2015-03-27 | 2015-06-24 | 苏州江源精密机械有限公司 | Automatic indexing right angle head device on gantry machining center |
| CN105817936A (en) * | 2016-04-26 | 2016-08-03 | 宁波海天精工股份有限公司 | Automatic right-angle head with neutral position |
-
2015
- 2015-03-27 CN CN201520179645.6U patent/CN204471106U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104723169A (en) * | 2015-03-27 | 2015-06-24 | 苏州江源精密机械有限公司 | Automatic indexing right angle head device on gantry machining center |
| CN105817936A (en) * | 2016-04-26 | 2016-08-03 | 宁波海天精工股份有限公司 | Automatic right-angle head with neutral position |
| CN105817936B (en) * | 2016-04-26 | 2017-11-17 | 宁波海天精工股份有限公司 | A kind of automatic right-angle head for carrying middle position |
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