CN114055225A - Tool changing driving mechanism for overhead five-axis gantry machining center - Google Patents
Tool changing driving mechanism for overhead five-axis gantry machining center Download PDFInfo
- Publication number
- CN114055225A CN114055225A CN202111490398.8A CN202111490398A CN114055225A CN 114055225 A CN114055225 A CN 114055225A CN 202111490398 A CN202111490398 A CN 202111490398A CN 114055225 A CN114055225 A CN 114055225A
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- overhead
- tool changing
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- mounting
- machining center
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 238000003754 machining Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 15
- 210000000078 claw Anatomy 0.000 description 8
- 238000001514 detection method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Tool Replacement In Machine Tools (AREA)
Abstract
The invention relates to the technical field of machine tools, in particular to a tool changing driving mechanism for an overhead five-axis gantry machining center, which comprises a fixed support, wherein the top of the fixed support is fixedly connected with a mounting frame, the middle part of the mounting frame is provided with a shaft connector, a main shaft is arranged in the shaft connector, the side wall of the mounting frame is provided with an approach switch, a swing cylinder is arranged in the fixed support, the output end of the swing cylinder is fixedly connected with a shaft connected with the shaft connector, the two ends of the mounting frame are both fixedly provided with cylinders, the output end of each cylinder is connected with a mounting plate, the two ends of each mounting plate are provided with transmission rods, the top of the main shaft connected with the shaft connector is provided with a mounting platform, the side wall of the mounting platform is provided with two clamping jaws, and one end of each transmission rod is provided with a pin shaft; by adopting the driving mechanism of the manipulator, the tool grabbing function of the manipulator can be smoothly realized, the function of pre-selecting the tool can be realized, and the auxiliary tool changing time of the overhead five-axis gantry machining center in the part machining process is reduced.
Description
Technical Field
The invention relates to the technical field of machine tools, in particular to a tool changing driving mechanism for an overhead five-axis gantry machining center.
Background
The existing overhead five-axis gantry machining center generally adopts an umbrella-shaped tool magazine without a mechanical arm, when a tool needs to be changed, a five-axis head moves to a tool changing point to directly grab a required tool from the tool magazine and then moves to a machining area for machining, the defect that the tool cannot be preselected by adopting the umbrella-shaped tool magazine is that the tool changing time is prolonged, and the whole machining rhythm of parts is influenced.
The prior art has the following disadvantages: the traditional tool changing structure cannot preselect a tool, so that the tool changing time is prolonged, and the whole machining rhythm of parts is influenced.
Disclosure of Invention
The invention aims to provide a tool changing driving mechanism for an overhead five-axis gantry machining center, which comprises a fixed support, wherein the top of the fixed support is fixedly connected with a mounting frame, the middle part of the mounting frame is provided with a shaft connector, a main shaft is arranged in the shaft connector, the side wall of the mounting frame is provided with an approach switch, a swinging cylinder is arranged in the fixed support, the output end of the swinging cylinder is fixedly connected with a shaft connected with the shaft connector, two ends of the mounting frame are fixedly provided with cylinders, the output end of the cylinder is connected with a mounting plate, two ends of the mounting plate are provided with transmission rods, the top of the main shaft connected with the shaft connector is provided with a mounting platform, the side wall of the mounting platform is provided with two clamping jaws, one end of each transmission rod is provided with a pin shaft, and one end of each transmission rod rotates on the side wall of each clamping jaw through the pin shaft, and the two ends of the clamping jaw are respectively provided with a mechanical arm, and a cutter is arranged on the mechanical arm on one side.
Optionally, a deep groove ball bearing is mounted on the side wall of the main shaft, and the deep groove ball bearing is supported on the inner wall of the mounting frame.
Optionally, a locking nut is fixedly mounted on the side wall of the main shaft, and the locking nut is supported at the bottom of the deep groove ball bearing.
Optionally, a spring is fixedly mounted at the top of the mounting plate at the output end of the air cylinder, and the other end of the spring is mounted at the bottom of the clamping jaw.
Optionally, the rotating shaft is installed on the side walls of the two clamping jaws, and the two clamping jaws are rotatably connected to the side wall of the installation platform through the rotating shaft.
Optionally, a buffer spring is installed at one end of the installation block on the side wall of the clamping jaw, and a collision block is installed at one end of the buffer spring.
Optionally, the two end surfaces of the clamping jaw are of semi-cylindrical arch structures, and the mechanical arm is arranged in the side wall of each semi-cylindrical arch structure.
Optionally, one end of the transmission rod is connected with the mounting plate connected with the output end of the air cylinder through a rotating shaft.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, air starts to be fed into the cylinder without the cutter side to push the clamping jaw upwards, after the clamping jaw is in place, a detection switch carried by the cylinder sends a signal in place, then a five-axis head of a machine tool runs to a cutter changing point, the cutter is inserted into the mechanical arm by the five-axis head, the cutter is loosened by the five-axis head, the air cylinder without the cutter side reversely feeds air after the signal is in place, the clamping jaw grasps the cutter by the thrust of a spring, and then the five-axis head runs to a safe distance; the swing cylinder drives a mechanical arm at the top to rotate through the control of an electromagnetic valve, one side of an original tool with the tool is rotated to one side of a five-axis head, the five-axis head moves to a tool changing point to grab the tool, meanwhile, the cylinder at the side of the tool starts to intake to push up a clamping jaw, a detection switch carried by the cylinder sends an in-place signal after the in-place operation, the five-axis head takes away the tool, the whole tool changing action is completed, a driving mechanism of the manipulator is adopted, the tool grabbing function of the manipulator can be smoothly realized, the function of pre-selecting the tool can be realized, and the auxiliary tool changing time of an overhead five-axis gantry machining center in the process of machining parts is reduced.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the backside structure of the present invention;
FIG. 3 is a partial cross-sectional front view of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 2 according to the present invention.
The reference numbers illustrate:
1. fixing a bracket; 2. a mounting frame; 3. a shaft coupling; 4. a deep groove ball bearing; 5. locking the nut; 6. a proximity switch; 7. a swing cylinder; 8. a cylinder; 9. a transmission rod; 10. a pin shaft; 11. a spring; 12. a claw; 13. a rotating shaft; 14. a buffer spring; 15. bumping the block; 16. a robot arm; 17. and (4) a cutter.
The objects, features, and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, the invention provides a tool changing driving mechanism for an overhead five-axis gantry machining center, which comprises a fixed support 1, wherein the top of the fixed support 1 is fixedly connected with an installation frame 2, the middle part of the installation frame 2 is provided with a shaft coupler 3, a main shaft is installed inside the shaft coupler 3, the side wall of the installation frame 2 is provided with a proximity switch 6, the fixed support 1 is internally provided with a swing cylinder 7, the output end of the swing cylinder 7 is fixedly connected with a shaft connected with the shaft coupler 3, both ends of the installation frame 2 are fixedly provided with cylinders 8, the output end of the cylinder 8 is connected with an installation plate, both ends of the installation plate are provided with transmission rods 9, the top of the main shaft connected with the shaft coupler 3 is provided with an installation platform, the side wall of the installation platform is provided with two clamping jaws 12, one end of each transmission rod 9 is provided with a pin shaft 10, one end of each transmission rod 9 rotates on the side wall of each clamping jaw 12 through the pin shaft 10, the two ends of the clamping jaw 12 are both provided with a mechanical arm 16, and a cutter 17 is arranged on the mechanical arm 16 on one side; the claw 12 is driven by the air cylinder 8 through the transmission rod 9 to move, the claw 12 catches the cutter 17 through the thrust of the spring 11, and the claw 12 can catch and fix the cutter 17.
Referring to fig. 1 and 3, a deep groove ball bearing 4 is mounted on the side wall of the main shaft, the deep groove ball bearing 4 is supported on the inner wall of the mounting frame 2, a locking nut 5 is fixedly mounted on the side wall of the main shaft, and the locking nut 5 is supported at the bottom of the deep groove ball bearing 4; the use of the main shaft can be more stable through the installation of the deep groove ball bearing 4, and the locking nut 5 can be used for positioning the deep groove ball bearing 4.
Referring to fig. 1 and 4, a spring 11 is fixedly installed at the top of an installation plate at the output end of an air cylinder 8, the other end of the spring 11 is installed at the bottom of a jaw 12, rotating shafts 13 are installed on the side walls of the two jaws 12, the two jaws 12 are rotatably connected to the side wall of an installation platform through the rotating shafts 13, a buffer spring 14 is installed at one end of an installation block on the side wall of the jaw 12, and a collision block 15 is installed at one end of the buffer spring 14; the claw 12 is used for grasping the cutter 17 by the pushing force of the spring 11, and the claw 12 can be rotatably connected to the side wall of the mounting platform through the rotating shaft 13 by the rotating shaft 13 which is mounted.
Referring to fig. 2 and 4, the two end surfaces of the claw 12 are in a semi-cylindrical arch structure, the mechanical arm 16 is arranged in the side wall of the semi-cylindrical arch structure, and one end of the transmission rod 9 is connected with the mounting plate connected with the output end of the cylinder 8 through a rotating shaft; through the structure setting to jack catch 12 to be convenient for utilize robotic arm 16 to carry out the centre gripping with cutter 17 fixed, transfer line 9 is connected through the mounting panel that the axis of rotation is connected with cylinder 8 output, thereby can realize that cylinder 8 drives jack catch 12 through transfer line 9 and rotates.
The working process and principle of the invention are as follows: when a system sends a tool changing instruction, a servo motor on a tool magazine drives a tool changing driving mechanism to move to a tool changing point through a gear rack, meanwhile, an air cylinder 8 without a tool 17 side starts to admit air to push a clamping jaw 12 upwards, after the clamping jaw is in place, a detection switch carried by the air cylinder 8 sends a signal in place, then a five-axis head of a machine tool runs to the tool changing point, the tool 17 is inserted into the upper surface of a mechanical arm 16 by the five-axis head, the tool 17 is loosened by the five-axis head, the air cylinder 8 without the tool 17 side reversely admits air after the signal is in place, the clamping jaw 12 catches the tool 17 through the thrust of a spring 11, and then the five-axis head runs to a safe distance; the swing cylinder 7 drives the mechanical arm 16 at the top to rotate 180 degrees under the control of an electromagnetic valve, so that one side with the cutter 17 originally rotates to one side of the five-axis head, the five-axis head moves to a cutter changing point to grab the cutter 17, meanwhile, the cylinder 8 at the side of the cutter 17 starts to intake air to push up the claw 12, after the position is reached, a detection switch carried by the cylinder 8 sends a position reaching signal, and the five-axis head takes away the cutter 17 to complete the whole cutter changing action.
While the invention has been described in further detail in connection with specific embodiments thereof, it will be understood that the invention is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, which should be considered to be within the scope of the invention as defined by the appended claims.
Claims (8)
1. The utility model provides a tool changing actuating mechanism for five gantry machining centers of overhead, includes fixed bolster (1), its characterized in that: the top fixedly connected with mounting bracket (2) of fixed bolster (1), the middle part of mounting bracket (2) is provided with axle even ware (3), the internally mounted of axle even ware (3) has the main shaft, proximity switch (6) are installed to mounting bracket (2) lateral wall, the internally mounted of fixed bolster (1) has swing cylinder (7), the output of swing cylinder (7) and the axle fixed connection that axle even ware (3) are connected, the both ends of mounting bracket (2) are all fixed mounting has cylinder (8), the output of cylinder (8) is connected with the mounting panel, and the both ends of mounting panel are provided with transfer line (9), the mounting platform is installed at the main shaft top that axle even ware (3) are connected, the lateral wall of mounting platform is provided with two jack catchs (12), round pin axle (10) are installed to the one end of transfer line (9), one end of the transmission rod (9) rotates on the side wall of the clamping jaw (12) through a pin shaft (10), the two ends of the clamping jaw (12) are respectively provided with a mechanical arm (16), and a cutter (17) is installed on the mechanical arm (16) on one side.
2. The tool changing driving mechanism for the overhead five-axis gantry machining center according to claim 1, characterized in that: the deep groove ball bearing is characterized in that a deep groove ball bearing (4) is mounted on the side wall of the main shaft, and the deep groove ball bearing (4) is supported on the inner wall of the mounting frame (2).
3. The tool changing driving mechanism for the overhead five-axis gantry machining center according to claim 2, characterized in that: the deep groove ball bearing is characterized in that a locking nut (5) is fixedly mounted on the side wall of the main shaft, and the locking nut (5) is supported at the bottom of the deep groove ball bearing (4).
4. The tool changing driving mechanism for the overhead five-axis gantry machining center according to claim 1, characterized in that: the mounting panel top fixed mounting of cylinder (8) output has spring (11), the bottom at jack catch (12) is installed to the other end of spring (11).
5. The tool changing driving mechanism for the overhead five-axis gantry machining center according to claim 1, characterized in that: two pivot (13) are installed to jack catch (12) lateral wall, and two jack catches (12) rotate through pivot (13) and connect the lateral wall at mounting platform.
6. The tool changing driving mechanism for the overhead five-axis gantry machining center according to claim 1, characterized in that: buffer spring (14) are installed to the installation piece one end of jack catch (12) lateral wall, buffer spring (14)'s one end is installed and is collided piece (15).
7. The tool changing driving mechanism for the overhead five-axis gantry machining center according to claim 1, characterized in that: the two end surfaces of the clamping jaw (12) are of semi-cylindrical arch structures, and the mechanical arm (16) is arranged in the side wall of each semi-cylindrical arch structure.
8. The tool changing driving mechanism for the overhead five-axis gantry machining center according to claim 1, characterized in that: one end of the transmission rod (9) is connected with the mounting plate connected with the output end of the air cylinder (8) through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111490398.8A CN114055225A (en) | 2021-12-08 | 2021-12-08 | Tool changing driving mechanism for overhead five-axis gantry machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111490398.8A CN114055225A (en) | 2021-12-08 | 2021-12-08 | Tool changing driving mechanism for overhead five-axis gantry machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114055225A true CN114055225A (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111490398.8A Pending CN114055225A (en) | 2021-12-08 | 2021-12-08 | Tool changing driving mechanism for overhead five-axis gantry machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114055225A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0751965A (en) * | 1993-08-11 | 1995-02-28 | Okuma Mach Works Ltd | Lathe having tool rest with tool change arm |
| CN1142424A (en) * | 1995-04-07 | 1997-02-12 | 丰和工业株式会社 | Tool changing method for machining center and apparatus for carrying out the same |
| DE10354441A1 (en) * | 2003-11-21 | 2005-06-23 | Miksch Gmbh | Tool exchange device for machine center, comprising separate electric drives for rotary and linear motion |
| CN202155734U (en) * | 2011-05-17 | 2012-03-07 | 上海竹崴机电有限公司 | Cutter changing device |
| CN205660447U (en) * | 2016-06-03 | 2016-10-26 | 东莞市宝华数控科技有限公司 | Carving of taking tool magazine device mills machine |
| CN106239227A (en) * | 2016-08-15 | 2016-12-21 | 成都普瑞斯数控机床有限公司 | Machining center tool magazine switch |
| CN207900739U (en) * | 2018-02-06 | 2018-09-25 | 东莞市高全数控机械有限公司 | A kind of CNC machining centers clamping-arm tool changing device |
| CN208628990U (en) * | 2018-08-22 | 2019-03-22 | 济南二机床集团有限公司 | A kind of automatic tool changer machinery arm device |
| CN210818619U (en) * | 2019-11-13 | 2020-06-23 | 东莞市鸿轩数控科技有限公司 | Novel turning and milling combined machining center tool magazine |
| CN111546110A (en) * | 2020-04-02 | 2020-08-18 | 广东原点智能技术有限公司 | Safe cutter assembling and disassembling device and machining center applying same |
| CN112008464A (en) * | 2019-05-28 | 2020-12-01 | 陈君杰 | Tool changing unit and tool changing device with same |
| CN213317114U (en) * | 2020-05-27 | 2021-06-01 | 青岛盈可润传动科技有限公司 | Tool changing stamping die |
-
2021
- 2021-12-08 CN CN202111490398.8A patent/CN114055225A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0751965A (en) * | 1993-08-11 | 1995-02-28 | Okuma Mach Works Ltd | Lathe having tool rest with tool change arm |
| CN1142424A (en) * | 1995-04-07 | 1997-02-12 | 丰和工业株式会社 | Tool changing method for machining center and apparatus for carrying out the same |
| DE10354441A1 (en) * | 2003-11-21 | 2005-06-23 | Miksch Gmbh | Tool exchange device for machine center, comprising separate electric drives for rotary and linear motion |
| CN202155734U (en) * | 2011-05-17 | 2012-03-07 | 上海竹崴机电有限公司 | Cutter changing device |
| CN205660447U (en) * | 2016-06-03 | 2016-10-26 | 东莞市宝华数控科技有限公司 | Carving of taking tool magazine device mills machine |
| CN106239227A (en) * | 2016-08-15 | 2016-12-21 | 成都普瑞斯数控机床有限公司 | Machining center tool magazine switch |
| CN207900739U (en) * | 2018-02-06 | 2018-09-25 | 东莞市高全数控机械有限公司 | A kind of CNC machining centers clamping-arm tool changing device |
| CN208628990U (en) * | 2018-08-22 | 2019-03-22 | 济南二机床集团有限公司 | A kind of automatic tool changer machinery arm device |
| CN112008464A (en) * | 2019-05-28 | 2020-12-01 | 陈君杰 | Tool changing unit and tool changing device with same |
| CN210818619U (en) * | 2019-11-13 | 2020-06-23 | 东莞市鸿轩数控科技有限公司 | Novel turning and milling combined machining center tool magazine |
| CN111546110A (en) * | 2020-04-02 | 2020-08-18 | 广东原点智能技术有限公司 | Safe cutter assembling and disassembling device and machining center applying same |
| CN213317114U (en) * | 2020-05-27 | 2021-06-01 | 青岛盈可润传动科技有限公司 | Tool changing stamping die |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220218 |
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| RJ01 | Rejection of invention patent application after publication |