CN217702342U - Hydraulic end tooth rotary table with built-in motor - Google Patents
Hydraulic end tooth rotary table with built-in motor Download PDFInfo
- Publication number
- CN217702342U CN217702342U CN202221897584.3U CN202221897584U CN217702342U CN 217702342 U CN217702342 U CN 217702342U CN 202221897584 U CN202221897584 U CN 202221897584U CN 217702342 U CN217702342 U CN 217702342U
- Authority
- CN
- China
- Prior art keywords
- base
- fixed
- braking
- braking part
- hydraulic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Braking Arrangements (AREA)
- Machine Tool Units (AREA)
Abstract
A hydraulic end tooth turntable with a built-in motor comprises a base and a table top, wherein the base is connected with the table top through a slewing bearing, a driving mechanism for driving the table top to rotate relative to the base is arranged between the base and the table top, a braking mechanism is arranged between the base and the table top, the braking mechanism comprises a fixed braking part, a rotary braking part, a clutch braking part and a hydraulic driving mechanism, the fixed braking part is fixedly connected with the base, the rotary braking part is fixedly connected with the table top, the clutch braking part is fixed at the action end of the hydraulic driving mechanism, and when braking is required, the hydraulic driving mechanism drives the clutch braking part to simultaneously abut against the fixed braking part and the rotary braking part for braking; when it is desired to rotate, the hydraulic drive mechanism drives the clutch brake simultaneously out of engagement with the fixed brake and the rotating brake. The beneficial effects of the utility model are that owing to adopt above-mentioned technical scheme, the rotation of revolving stage is accurate, and braking torque is big, and the radiating effect is good.
Description
Technical Field
The utility model relates to a revolving stage braking technical field, specificly a built-in motor hydraulic pressure end tooth revolving stage.
Background
The rotary table, also called a rotary table, is a machine tool accessory with a rotatable table top for clamping workpieces and realizing rotation and indexing positioning. The rotary table comprises a table top and a base, the table top and the base are connected through a slewing bearing, and the rotary table is further provided with a driving device for driving the table top to rotate relative to the base.
In the prior art, the driving mechanism includes two types, one type is that a worm-worm gear pair is arranged between the table top and the base, and one end of the worm is connected with a hand wheel or a transmission mechanism of the machine tool so as to drive the table top and the base to rotate relatively. CN114406730A discloses a numerical control rotary table, in which a double-lead worm gear is used as a driving component for driving, so as to achieve higher rotation precision, and a hydraulically controlled disc brake system is used to improve the response sensitivity and braking effect of braking. But the braking accuracy of the disc brake system is to be further improved.
The other type of the driving mechanism is a direct-drive mode that the torque motor directly drives the rotary table, namely, a stator and a rotor are arranged in the rotary table, so that the use of a worm gear is omitted, and the driving mechanism has the characteristic of high precision. Part directly drives the revolving stage and comes brake motor through dynamic braking circuit, but its self-locking power is less, especially can take place the excessive rotation of very little angle when scram. Therefore, a set of brake mechanism can be independently arranged in a part of direct drive motors to meet the requirement of accurate positioning. CN216657079U discloses a two-way piston arrestment mechanism of revolving stage directly drives, sets up in the pivot of directly driving the revolving stage, including band-type brake stopper, piston cover, pneumatic piston and collet chuck, the band-type brake stopper cover is established in the pivot of directly driving the revolving stage, the collet chuck cover is established on the band-type brake stopper, collet chuck has an installation department and a chuck portion, the piston cover is fixed to be set up in one side of collet chuck, and the collet chuck portion of piston cover, collet chuck's installation department and collet chuck forms an air chamber, pneumatic piston is mobile to be set up in the air chamber and the collet chuck portion of pneumatic piston one end contact collet chuck, and when pneumatic piston moved towards collet chuck's installation department direction, thereby the collet chuck enclasping brake stopper braked directly driving the revolving stage. The braking torque provided by the braking mode of the band-type brake is limited, and the braking force is to be further improved.
The braking effect of the braking device has important significance for improving the precision of the rotary table, especially on the direct-drive rotary table, no matter the driving structure of the worm and gear or the driving structure of the direct-drive rotary table.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an internal motor hydraulic pressure end tooth revolving stage has and rotates the accuracy, and the advantage that braking force is strong is particularly suitable for large-scale use on directly driving the revolving stage.
The technical scheme of the utility model is that:
the utility model provides an internal motor hydraulic pressure end tooth revolving stage, includes base and mesa, the base passes through slewing bearing with the mesa and links to each other, be equipped with between base and the mesa drive mesa for base pivoted actuating mechanism, its characterized in that: a braking mechanism is arranged between the base and the table board, the braking mechanism comprises a fixed braking part, a rotary braking part, a clutch braking part and a hydraulic driving mechanism, the fixed braking part is fixedly connected with the base, the rotary braking part is fixedly connected with the table board, the fixed braking part and the rotary braking part are coaxially arranged, the lower end faces of the fixed braking part and the rotary braking part are on the same plane, the clutch braking part is positioned below the fixed braking part and the rotary braking part, the clutch braking part is fixed at the action end of the hydraulic driving mechanism, and when braking is required, the hydraulic driving mechanism drives the clutch braking part to simultaneously abut against the fixed braking part and the rotary braking part for braking; when it is to be rotated, the hydraulic drive mechanism drives the clutch brake member while disengaging the fixed brake member and the rotating brake member.
Specifically, the fixed brake member is a fixed end-toothed disc, the rotary brake member is a rotary end-toothed disc, and the clutch brake member is a clutch end-toothed disc.
The clutch end-toothed disc moves up and down under the action of the hydraulic driving mechanism, the clutch end-toothed disc moves upwards to enable the clutch end-toothed disc to be respectively meshed with the fixed end-toothed disc and the rotating end-toothed disc, and the braking force is provided by the fixed end-toothed disc and transmitted through the clutch end-toothed disc to act on the rotating end-toothed disc so as to brake the table board; the clutch end-toothed disc moves downwards to separate the clutch end-toothed disc from the fixed end-toothed disc and the rotary end-toothed disc, so that the base and the table top can rotate relatively.
In particular, the method comprises the following steps of,
hydraulic drive mechanism is located the base endotheca that base center was equipped with is downthehole, the base is downthehole to be equipped with along gliding action portion from top to bottom of base hole, separation and reunion end-toothed disc is fixed in the upper end of action portion, base hole lateral wall radially is equipped with the annular oil pocket, the annular oil pocket is linked together with the base hole, be equipped with the piston ring in the annular oil pocket, piston ring inner wall and action portion periphery fixed connection, periphery and annular oil pocket lateral wall sealing sliding connection for the piston ring divide into oil pocket and lower oil pocket with the annular oil pocket, and oil pocket and lower oil pocket link to each other with the hydraulic oil source through the oil circuit that is equipped with on the base respectively.
Hydraulic oil is filled in the downward oil cavity, and the piston ring drives the action part to slide upwards along the inner hole of the base; the upper oil chamber is filled with hydraulic oil, the action part slides downwards, so that the clutch braking part is separated from the fixed braking part and the rotating braking part, and the fixed braking part and the rotating braking part can move relatively.
The utility model discloses in, drive the end-toothed disc through hydraulic drive's mode and brake the rotation of revolving stage, it is big to have the braking moment of torsion, and response speed is fast, advantage that braking precision is high.
The utility model discloses a braking mode is particularly suitable for directly driving the braking of revolving stage.
The driving mechanism adopts a direct current motor, a stator of the direct current motor is fixed on the base, and a rotor of the direct current motor is fixed on the table-board.
The outer side cover of stator is equipped with the motor cover shell, is equipped with the cooling cistern on the outer peripheral face of stator, and the stator links to each other with the motor cover shell is sealed, and the cooling cistern forms inclosed cooling liquid chamber with the motor cover shell, the cooling liquid chamber is linked together through cooling liquid passageway and cooling liquid source. The cooling liquid cavity is annular, and the cooling liquid passageway includes inlet channel and liquid outlet channel, and the cooling liquid gets into the cooling liquid cavity from inlet channel, flows a week on the stator global, discharges through liquid outlet channel. The liquid inlet channel and the liquid outlet channel respectively penetrate through the base and the motor casing and are communicated with the cooling liquid cavity and the outer surface of the base.
The direct-drive rotary table is arranged in the rotary table due to the fact that the driving assembly composed of the stator and the rotor is arranged in the rotary table, the heat dissipation effect is not ideal, and the heat dissipation problem of the direct-drive rotary table can be effectively solved through the cooling mode.
A first gap is arranged between the outer peripheral face of the motor casing and the table top, a second gap is arranged between the upper end face of the motor casing and the table top, a third gap is arranged between the stator and the rotor, a fourth gap is arranged between the lower end of the rotor and the base, an air inlet channel and an air outlet channel which are communicated with the outer surface of the base and the first gap and the fourth gap are respectively arranged in the base, and the air inlet channel, the first gap, the second gap, the third gap, the fourth gap and the air outlet channel are sequentially communicated.
The utility model discloses set up by the base surface to the base inside, again by the inside outside wind channel of base, give a positive pressure air current of inlet channel at the base surface, inside the air current blows in the revolving stage, can carry out the forced air cooling to the inside stator of revolving stage and rotor on the one hand, on the other hand can be inside keeping certain atmospheric pressure at the revolving stage, reduces the accumulation of dust or foreign matter.
In another alternative of the present invention, the hydraulic driving mechanism may be a two-way hydraulic cylinder fixed inside the base, and the clutch braking member is fixed to the end of the piston rod of the two-way hydraulic cylinder.
In another alternative embodiment of the present invention, the fixed braking member is a fixed friction plate, the rotating braking member is a rotating friction plate, and the clutch braking member is a clutch friction plate.
The utility model has the advantages and positive effects be: due to the adoption of the technical scheme, the rotary table is accurate in rotation, high in response speed, large in braking torque and good in heat dissipation effect.
Drawings
FIG. 1 is a schematic view of the structure principle of the present invention
FIG. 2 is a detail view at A in FIG. 1
FIG. 3 is a schematic view of the structure of the inlet and outlet channels
In the figure:
1. base 2, table top 3, slewing bearing
4. End cover 5, action part 7 and stator
8. Rotor 9, motor casing 11, stiff end fluted disc
12. Inner hole 13 of base, air inlet channel 14 and air outlet channel
21. Rotary end-toothed disc 51, clutch end-toothed disc 52 and piston ring
61. Upper oil chamber 62, lower oil chamber 71, and coolant chamber
91. A first gap 92, a second gap 93, and a third gap
94. The fourth gap
Detailed Description
As shown in fig. 1, 2 and 3, the utility model discloses:
the utility model provides an internal motor hydraulic pressure end tooth revolving stage, includes base 1 and mesa 2, the base passes through slewing bearing 3 with mesa 2 and links to each other, be equipped with between base 1 and the mesa 2 and drive mesa 2 for 1 pivoted actuating mechanism of base, its characterized in that: a braking mechanism is arranged between the base 1 and the table top 2, the braking mechanism comprises a fixed end toothed disc 11, a rotating end toothed disc 21, a clutch end toothed disc 51 and a hydraulic driving mechanism, the fixed end toothed disc 11 is fixedly connected with the base 1, the rotating end toothed disc 21 is fixedly connected with the table top 2, the fixed end toothed disc 11 and the rotating end toothed disc 21 are coaxially arranged, the lower end faces of the fixed end toothed disc 11 and the rotating end toothed disc 21 are on the same plane, the clutch end toothed disc 51 is positioned below the fixed end toothed disc 11 and the rotating end toothed disc 21, the clutch end toothed disc 51 is fixed at the action end of the hydraulic driving mechanism, and when braking is required, the hydraulic driving mechanism drives the clutch end toothed disc 51 to be abutted against the fixed end toothed disc 11 and the rotating end toothed disc 21 for braking; when it is to be rotated, the hydraulic drive mechanism drives the clutch end-toothed disc 51 to simultaneously disengage from the fixed end-toothed disc 11 and the rotating end-toothed disc 21.
The clutch end-toothed disc 51 moves up and down under the action of the hydraulic driving mechanism, the clutch end-toothed disc moves up to enable the clutch end-toothed disc 51 to be respectively meshed with the fixed end-toothed disc 11 and the rotary end-toothed disc 21, and braking force is provided by the fixed end-toothed disc and is transmitted by the clutch end-toothed disc 51 to act on the rotary end-toothed disc 21 to brake the table top 2; the clutch end toothed disc 51 moves downwards, so that the clutch end toothed disc 51 is separated from the fixed end toothed disc 11 and the rotating end toothed disc 21 respectively, and the base 1 and the table top 2 can rotate relatively.
In particular, the method comprises the following steps of,
the hydraulic drive mechanism is located in the base hole 12 that the base center was equipped with, be equipped with in the base hole 12 along the gliding action portion 5 from top to bottom of base hole, separation and reunion end-toothed disc is fixed in the upper end of action portion, base hole lateral wall radially is equipped with annular oil pocket, the annular oil pocket is linked together with the base hole, be equipped with piston ring 52 in the annular oil pocket, piston ring inner wall and action portion periphery fixed connection, periphery and the sealed sliding connection of annular oil pocket lateral wall for piston ring 52 divide into oil pocket 61 and lower oil pocket with the annular oil pocket, and the oil pocket links to each other with the hydraulic oil source through the oil circuit that is equipped with on the base respectively with lower oil pocket.
Specifically, the inner hole 12 of the base is a stepped hole, the inner hole of the base comprises an inner hole upper section and an inner hole lower section, the diameter of the inner hole upper section is matched with that of the action part, the inner hole upper section and the action part are connected in a sliding sealing mode, the diameter of the inner hole lower section is larger than that of the action part, the end cover 4 is arranged at the lower end of the inner hole lower section, the action part 5 is connected with the inner side face of the end cover in a sliding sealing mode, and the inner hole lower section, the end cover and the action part form an annular oil cavity.
Hydraulic oil is filled into the lower oil cavity 62, and the piston ring 52 drives the action part 5 to slide upwards along the inner hole of the base; hydraulic oil is filled into the upper oil chamber 61, the operating portion 5 slides downward, so that the clutch end toothed disc 51 is separated from the fixed end toothed disc 11 and the rotary end toothed disc 21, and the fixed end toothed disc 11 and the rotary end toothed disc 21 can move relatively.
The utility model discloses in, drive the braking part through hydraulic drive's mode and brake the rotation of revolving stage, it is big to have the braking moment of torsion, and response speed is fast, advantage that the braking precision is high.
The utility model discloses a braking mode is particularly suitable for directly driving the braking of revolving stage.
The driving mechanism adopts a direct current motor, a stator 7 of the direct current motor is fixed on the base, and a rotor 8 of the direct current motor is fixed on the table-board.
The outside cover of stator 7 is equipped with motor jacket 9, is equipped with the cooling cistern on the outer peripheral face of stator, and stator 7 links to each other with the motor jacket is sealed, and the cooling cistern forms inclosed cooling liquid chamber 71 with the motor jacket, cooling liquid chamber 71 is linked together through coolant liquid passageway and coolant liquid source. The cooling liquid cavity is annular, and the cooling liquid passageway includes inlet channel and liquid outlet channel, and the cooling liquid gets into the cooling liquid cavity from inlet channel, flows a week on the stator global, discharges through liquid outlet channel. The liquid inlet channel and the liquid outlet channel respectively penetrate through the base and the motor casing and are communicated with the cooling liquid cavity and the outer surface of the base.
The direct-drive rotary table is arranged in the rotary table due to the driving assembly consisting of the stator 7 and the rotor 8, the heat dissipation effect is not ideal, and the heat dissipation problem of the direct-drive rotary table can be effectively solved through the cooling mode.
A first gap 91 is arranged between the peripheral surface of the motor casing and the table top, a second gap 92 is arranged between the upper end surface of the motor casing and the table top, a third gap 93 is arranged between the stator and the rotor, a fourth gap 94 is arranged between the lower end of the rotor and the base, an air inlet channel 13 and an air outlet channel 13 which are used for communicating the outer surface of the base with the first gap and the fourth gap are respectively arranged in the base, and the air inlet channel 13, the first gap 91, the second gap 92, the third gap 93, the fourth gap 94 and the air outlet channel 14 are sequentially communicated.
The utility model discloses set up by the base surface to the base inside, again by the inside outside wind channel of base, give a positive pressure air current of inlet channel at the base surface, inside the air current insufflates the revolving stage, can carry out the forced air cooling to the inside stator of revolving stage and rotor on the one hand, on the other hand can be inside keeping certain atmospheric pressure at the revolving stage, reduces the accumulation of dust or foreign matter.
The working process of the example is as follows:
under the action of the stator 7 and the rotor 8, the table top 2 rotates relative to the base 1, when braking is needed, a hydraulic oil source fills hydraulic oil into the downward oil cavity 62, the piston ring 52 moves upwards under the action of the hydraulic oil to drive the action part to move upwards, the clutch end toothed disc 51 is meshed with the rotating end toothed disc 21 and the fixed end toothed disc 11 simultaneously, and the rotation of the table top relative to the base is stopped. When the rotary table needs to rotate, hydraulic oil is filled into the upper oil cavity 61, the piston ring moves downwards, the action part moves downwards, the clutch end toothed disc is separated from the rotary end toothed disc and the fixed end toothed disc, and the table top can rotate relative to the base under the action of the stator and the rotor.
Example 2
The fixed braking part is a fixed friction plate fixedly connected with the base, the rotary braking part is a rotary friction plate fixedly connected with the table board, and the clutch braking part is a clutch friction plate fixed on the upper end surface of the action part. The torque transmission between the table top and the base is realized by the friction force when the clutch friction plate is contacted with the fixed friction plate and the rotating friction plate. Other structures and connection modes of the present embodiment are the same as those of embodiment 1.
Although an embodiment of the present invention has been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. The utility model provides an internal motor hydraulic pressure end tooth revolving stage, includes base and mesa, the base passes through slewing bearing with the mesa and links to each other, be equipped with between base and the mesa drive mesa for base pivoted actuating mechanism, its characterized in that: a braking mechanism is arranged between the base and the table board and comprises a fixed braking part, a rotary braking part, a clutch braking part and a hydraulic driving mechanism, the fixed braking part is fixedly connected with the base, the rotary braking part is fixedly connected with the table board, the fixed braking part and the rotary braking part are coaxially arranged, the lower end faces of the fixed braking part and the rotary braking part are on the same plane, the clutch braking part is positioned below the fixed braking part and the rotary braking part, the clutch braking part is fixed at the action end of the hydraulic driving mechanism, and when braking is needed, the hydraulic driving mechanism drives the clutch braking part to simultaneously abut against the fixed braking part and the rotary braking part for braking; when it is to be rotated, the hydraulic drive mechanism drives the clutch brake member while disengaging the fixed brake member and the rotating brake member.
2. The internal motor hydraulic end-tooth turret according to claim 1, characterized in that: the fixed brake part is a fixed end fluted disc, the rotary brake part is a rotary end fluted disc, and the clutch brake part is a clutch end fluted disc.
3. The internal motor hydraulic end-tooth turret according to claim 1 or 2, wherein: the hydraulic drive mechanism is located the base downthehole that base center was equipped with, the base is downthehole to be equipped with along the gliding action portion from top to bottom of base hole, the separation and reunion stopper is fixed in the upper end of action portion, base hole lateral wall radially is equipped with annular oil pocket, annular oil pocket is linked together with the base hole, be equipped with the piston ring in the annular oil pocket, piston ring inner wall and action portion periphery fixed connection, periphery and the sealed sliding connection of annular oil pocket lateral wall for the piston ring divide into oil pocket and lower oil pocket with annular oil pocket, and oil pocket and lower oil pocket link to each other with the hydraulic oil source through the oil circuit that is equipped with on the base respectively.
4. The internal motor hydraulic end-tooth turret according to any of claims 1 or 2, wherein: the driving mechanism adopts a direct current motor, a stator of the direct current motor is fixed on the base, and a rotor of the direct current motor is fixed on the table top.
5. The internal motor hydraulic end-tooth turret according to claim 4, wherein: the outside cover of stator is equipped with the motor cover shell, is equipped with the cooling cistern on the outer peripheral face of stator, and the stator links to each other with the motor cover shell is sealed, and the cooling cistern forms inclosed cooling liquid chamber with the motor cover shell, the cooling liquid chamber is linked together through coolant passage and coolant liquid source.
6. The internal motor hydraulic end-tooth turret according to claim 5, wherein: be equipped with first clearance between the outer peripheral face of motor shell and the mesa, be equipped with the second clearance between motor shell up end and the mesa, be equipped with the third clearance between stator and the rotor, be equipped with the fourth clearance between rotor lower extreme and the base, be equipped with inlet channel and the outlet channel in intercommunication base surface and first clearance and fourth clearance in the base respectively, inlet channel, first clearance, second clearance, third clearance, fourth clearance and outlet channel communicate in proper order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221897584.3U CN217702342U (en) | 2022-07-22 | 2022-07-22 | Hydraulic end tooth rotary table with built-in motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221897584.3U CN217702342U (en) | 2022-07-22 | 2022-07-22 | Hydraulic end tooth rotary table with built-in motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217702342U true CN217702342U (en) | 2022-11-01 |
Family
ID=83779492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221897584.3U Active CN217702342U (en) | 2022-07-22 | 2022-07-22 | Hydraulic end tooth rotary table with built-in motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217702342U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116604359A (en) * | 2023-05-29 | 2023-08-18 | 中国机械总院集团云南分院有限公司 | Vertical slewing mechanism of high accuracy and easy maintenance |
| CN116810744A (en) * | 2023-02-15 | 2023-09-29 | 承德石油高等专科学校 | Hydrostatic support rotary table with oil supercharging and braking cooperated |
-
2022
- 2022-07-22 CN CN202221897584.3U patent/CN217702342U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116810744A (en) * | 2023-02-15 | 2023-09-29 | 承德石油高等专科学校 | Hydrostatic support rotary table with oil supercharging and braking cooperated |
| CN116604359A (en) * | 2023-05-29 | 2023-08-18 | 中国机械总院集团云南分院有限公司 | Vertical slewing mechanism of high accuracy and easy maintenance |
| CN116604359B (en) * | 2023-05-29 | 2025-12-16 | 中国机械总院集团云南分院有限公司 | Vertical slewing mechanism of high accuracy and easy maintenance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102240917B (en) | Direct drive type servo knife rest | |
| CN119057122B (en) | Automatic indexing right-angle milling head and indexing compensation control method thereof | |
| CN113600898A (en) | Turning and milling combined type rotary table | |
| CN114102174A (en) | Novel end-toothed disc rotary table | |
| CN104786070A (en) | Pressure ring of high-precision vertical working table base static-pressure seal structure | |
| CN209953831U (en) | Rotary clamping mechanism | |
| CN202162600U (en) | Direct-drive servo tool rest | |
| CN110594379B (en) | A nut-driven hydrostatic screw screw transmission pair and a machine tool | |
| CN112872391A (en) | Precision halving device and power tool turret provided with same | |
| CN112139608A (en) | One-piece lathe with gear hobbing function and method of using the same | |
| CN217935224U (en) | Numerical control built-in motor arbitrarily indexing turntable | |
| CN211039476U (en) | Brake braking structure and cam roller rotary table | |
| CN118081404A (en) | Vertical revolving stage of machining center | |
| CN204621562U (en) | 4th axle torque motor high-speed numeric control turntable | |
| CN110936181A (en) | A cradle-type workbench | |
| CN216541900U (en) | Cradle rotary table driven by worm pair and torque | |
| CN213135063U (en) | Cam roller horizontal swinging head | |
| CN117283006A (en) | Tool turret and its CNC machine tools | |
| CN222078573U (en) | A vertical rotary table for machining center | |
| CN212071099U (en) | Cam roller embedded rotary table | |
| CN109352527B (en) | High-precision grinding wheel frame turret with locking device | |
| CN210435395U (en) | High-precision pneumatic chuck structure | |
| CN211661519U (en) | Cradle type workbench | |
| CN209206621U (en) | Milling machine of digital-control spiral conical gear workpiece box | |
| CN221833801U (en) | A high-precision rotary table device for a horizontal machining center |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |