CN219725786U - Automatic tool changing double main shafts - Google Patents
Automatic tool changing double main shafts Download PDFInfo
- Publication number
- CN219725786U CN219725786U CN202321249790.8U CN202321249790U CN219725786U CN 219725786 U CN219725786 U CN 219725786U CN 202321249790 U CN202321249790 U CN 202321249790U CN 219725786 U CN219725786 U CN 219725786U
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- automatic
- tool changing
- sets
- collet
- piston
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- 239000000428 dust Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 34
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 238000005498 polishing Methods 0.000 abstract description 12
- 230000009286 beneficial effect Effects 0.000 description 2
- 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
- 238000010586 diagram Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
Abstract
The utility model relates to the technical field of automatic high-power polishing and discloses an automatic tool changing double-spindle, which comprises two sets of tool clamping modules, two sets of pneumatic tool changing modules and a triaxial bevel gear transmission mechanism for driving the two sets of tool clamping modules to rotate; realizing the functions of automatically clamping, automatically replacing and cleaning dust of the collet chuck for two sets of cutters; the two cutter clamping modules are respectively arranged at two ends of the triaxial bevel gear transmission mechanism; the cutter clamping module comprises a shell, a collet chuck, a middle shaft, a coupler, an end cover, a spring and a rotary drum. This automatic double spindle of tool changing can drive two sets of cutter centre gripping modules simultaneously through triaxial bevel gear drive and rotate, carries out automatic polishing, and through two sets of pneumatic tool changing modules, realizes double spindle cutter automatic centre gripping, automatic dress, the automatic collet chuck dust function of cleaning, has improved the high-power automatic work efficiency of polishing of robot.
Description
Technical Field
The utility model relates to the technical field of automatic high-power polishing, in particular to an automatic tool changing double spindle.
Background
When the industrial robot is used for automatic polishing, long-time continuous work is required and worn consumables are required to be automatically replaced.
In the existing high-power automatic grinding and polishing process of the robot, most of main shafts do not consider the requirement of consumable replacement, and the consumable replacement needs to be manually performed or a simple rough tool changing mechanism is additionally installed. In these cases, manual tool changing can interrupt the sanding operation and add additional labor costs; the robot load can be increased by additionally installing the tool changing mechanism, the structure is huge and complex, and the failure rate and the nodes of the robot motion trail are increased. And when the force control floating device is additionally arranged, the additionally arranged tool changing mechanism can influence the precision of the contact force between the polishing tool and the workpiece.
The automatic tool changing spindle is mainly used for matching with a robot to complete automatic polishing work, and can realize the function of double-spindle automatic tool changing while working for a long time.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the automatic tool changing double-spindle, which has the advantages of realizing the function of automatic tool changing of the double-spindle and improving the working efficiency of high-power automatic grinding and polishing of a robot.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an automatic tool changing double-spindle comprises two sets of tool clamping modules, two sets of pneumatic tool changing modules and a triaxial bevel gear transmission mechanism for driving the two sets of tool clamping modules to rotate; realizing the functions of automatically clamping, automatically replacing and cleaning dust of the collet chuck for two sets of cutters;
the two cutter clamping modules are respectively arranged at two ends of the triaxial bevel gear transmission mechanism; the cutter clamping module comprises a shell, a collet chuck, a middle shaft, a coupler, an end cover, a spring and a rotary drum; the rotary drum is rotatably arranged in the shell, a mounting cavity is formed in the rotary drum, and the spring is sleeved on the outer side of the intermediate shaft and is arranged in the mounting cavity together; the upper end of the collet chuck is connected to the end part of the intermediate shaft; the lower end of the collet chuck extends out from the lower port of the rotary drum; the lower end of the collet chuck is provided with a slot for clamping a cutter;
the pneumatic tool changing module comprises a first piston, a first sealing ring, a wear-resistant ring, a first cylinder body, a second sealing ring, a third sealing ring, a plane sealing ring, a second piston and a second cylinder body; the piston I, the sealing ring I and the wear-resistant ring form a piston assembly; the second piston and the third sealing ring form a piston assembly; the first cylinder body and the plane sealing ring form a lower cylinder body sealing assembly; the second cylinder body and the plane sealing ring form an upper cylinder body sealing assembly; an air inlet B is formed in the side wall of the shell;
the three-shaft bevel gear transmission mechanism comprises a three-way machine seat, two sets of cutter clamping modules are respectively arranged at two ends of the three-way machine seat, a through shaft is arranged in the three-way machine seat, and two ends of the through shaft are respectively connected with intermediate shafts of the two sets of cutter clamping modules; and coaxial bevel gears are symmetrically arranged on the upper part and the lower part of the outer side wall of the through shaft, a driving bevel gear is arranged on the side wall of the tee joint base, the driving bevel gear is meshed with the two coaxial bevel gears, a motor mounting plate is arranged on the outer wall of the tee joint base, a motor is mounted on the motor mounting plate, and an output shaft of the motor is connected with the driving bevel gear.
When the tool clamping device is used, the driving bevel gear is driven to rotate through the rotation of the motor, and drives the two coaxial bevel gears to rotate simultaneously, so that the through shaft is driven to rotate, and simultaneously drives the two intermediate shafts to rotate, so that the two tool clamping modules rotate.
Preferably, an end cover is arranged at the lower port of the shell, and a dust ring is arranged between the end cover and the outer wall of the rotary drum.
Preferably, two first bearings are arranged between the shell and the lower part of the rotary drum, two second bearings are arranged on the upper part of the rotary drum, and a bearing spacer is arranged between the two first bearings.
Preferably, the lower part of the side wall of the shell is provided with a gas channel A, the bearing spacer is provided with a vent hole, the collet is also provided with a vent hole, the gas channel A, the vent hole on the bearing spacer and the vent hole on the collet are communicated with each other, and when dust is cleaned, gas is introduced into the gas channel A, so that the automatic dust cleaning function of the collet can be realized.
Preferably, the slots of the collet are tapered open and the diameter of the lower end of the collet is greater than the inner diameter of the lower port of the bowl.
Preferably, a wear-resistant plate is arranged between the lower surface of the coupler and the upper surface of the shaft shoulder of the intermediate shaft, so that excessive wear of the coupler and the intermediate shaft is prevented.
Preferably, a guide pin is arranged on the first piston, the guide pin is lifted in a guide sleeve, and the guide sleeve is arranged in the shell, so that the piston of the air cylinder is guided, and the smooth running of the piston is ensured.
(III) beneficial effects
Compared with the prior art, the utility model provides an automatic tool changing double spindle, which has the following beneficial effects:
1. this automatic double spindle of tool changing can drive two sets of cutter centre gripping modules simultaneously through triaxial bevel gear drive and rotate, carries out automatic polishing, and through two sets of pneumatic tool changing modules, realizes double spindle cutter automatic centre gripping, automatic dress, the automatic collet chuck dust function of cleaning, has improved the high-power automatic work efficiency of polishing of robot.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a collet according to the present utility model;
FIG. 3 is a schematic view of the structure of the tool holding module and the pneumatic tool changing module of the present utility model;
fig. 4 is a side view of a tool holding module and a pneumatic tool changing module according to the present utility model.
In the figure: 1. a housing; 2. a collet; 3. an intermediate shaft; 4. a coupling; 5. a dust ring; 6. an end cap; 7. a first bearing; 8. bearing spacer rings; 9. a spring; 10. a rotating drum; 11. a second bearing; 12. a wear plate; 13. a first piston; 14. a first sealing ring; 15. wear-resistant ring; 16. a first cylinder body; 17. a second sealing ring; 18. a third sealing ring; 19. a planar sealing ring; 20. a second piston; 21. a cylinder body II; 22. a coaxial bevel gear; 23. a through shaft; 24. a motor mounting plate; 25. a tee joint base; 26. a driving bevel gear.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-4, an automatic tool changing double spindle comprises two sets of tool clamping modules, two sets of pneumatic tool changing modules and a triaxial bevel gear transmission mechanism for driving the two sets of tool clamping modules to rotate; realizing the functions of automatically clamping, automatically replacing and cleaning dust of the collet 2 by two sets of cutters;
the two cutter clamping modules are respectively arranged at two ends of the triaxial bevel gear transmission mechanism; the cutter clamping module comprises a shell 1, a collet chuck 2, a middle shaft 3, a coupler 4, an end cover 6, a spring 9 and a rotary drum 10; the rotary drum 10 is rotatably arranged in the shell 1, a mounting cavity is formed in the rotary drum 10, and the springs 9 are sleeved outside the intermediate shaft 3 and are arranged in the mounting cavity together; the upper end of the collet chuck 2 is connected with the end part of the intermediate shaft 3; the lower end of the collet 2 protrudes from the lower port of the bowl 10; the lower end of the collet chuck 2 is provided with a slot for clamping a cutter;
each set of cutter clamping module is provided with a set of pneumatic cutter changing module, and the pneumatic cutter changing module comprises a first piston 13, a first sealing ring 14, a wear-resisting ring 15, a first cylinder 16, a second sealing ring 17, a third sealing ring 18, a plane sealing ring 19, a second piston 20 and a second cylinder 21; the piston I13, the sealing ring I14 and the wear-resistant ring 15 form a piston assembly; the second piston 20 and the third sealing ring 18 form a piston assembly; the first cylinder body 16 and the plane sealing ring 19 form a lower cylinder body sealing assembly; the second cylinder 21 and the plane sealing ring 19 form an upper cylinder sealing assembly; an air inlet B is arranged on the side wall of the shell 1;
the three-shaft bevel gear transmission mechanism comprises a three-way machine seat 25, two sets of cutter clamping modules are respectively arranged at two ends of the three-way machine seat 25, a through shaft 23 is arranged in the three-way machine seat 25, and two ends of the through shaft 23 are respectively connected with an intermediate shaft 3 of the two sets of cutter clamping modules; and coaxial bevel gears 22 are symmetrically arranged on the upper part and the lower part of the outer side wall of the through shaft 23, a driving bevel gear 26 is arranged on the side wall of the tee joint base 25, the driving bevel gear 26 is meshed with the two coaxial bevel gears 22, a motor mounting plate 24 is arranged on the outer wall of the tee joint base 25, a motor is mounted on the motor mounting plate 24, and an output shaft of the motor is connected with the driving bevel gear 26.
When the tool clamping device is used, the driving bevel gear 26 is driven to rotate through motor rotation, the driving bevel gear 26 drives the two coaxial bevel gears 22 to simultaneously rotate, the through shaft 23 is driven to rotate, and the through shaft 23 simultaneously drives the two middle shafts 3 to rotate, so that the two tool clamping modules rotate.
During tool changing, compressed air is introduced between the cylinder I16 and the piston I13 and between the cylinder II 21 and the piston II 20 through the air inlet B, so that the piston I13 and the piston II 20 are simultaneously pressed down onto the shaft shoulder of the intermediate shaft 3, the intermediate shaft 3 is pressed down to press the spring 9, the collet 2 is enabled to move downwards, the grooved cone of the collet 2 is opened, the tool in the collet 2 is loosened and falls down, the tool is arranged at the position where an automatic tool changing main shaft of the robot is moved to a tool rest, a required tool is selected, the collet 2 is sleeved into the tool bar of the selected tool, the air cylinder is deflated, the spring 9 rebounds, and the collet 2 is pulled up to tighten and clamp the tool, so that the automatic tool changing of the main shaft is realized.
An end cover 6 is arranged at the lower port of the shell 1, and a dust ring 5 is arranged between the end cover 6 and the outer wall of the rotary drum 10.
Two first bearings 7 are arranged between the shell 1 and the lower part of the rotary drum 10, a second bearing 11 is arranged on the upper part of the rotary drum, and a bearing spacer 8 is arranged between the two first bearings 7.
The lower part of the side wall of the shell 1 is provided with a gas channel A, the bearing spacer ring 8 is provided with a vent hole, the collet chuck 2 is also provided with a vent hole, the gas channel A, the vent hole on the bearing spacer ring 8 and the vent hole on the collet chuck 2 are communicated with each other, and when dust is cleaned, gas is introduced into the gas channel A, so that the automatic dust cleaning function of the collet chuck 2 can be realized.
The slots of the collet 2 are tapered open and the diameter of the lower end of the collet 2 is greater than the inner diameter of the lower port of the bowl 10.
And a wear-resistant plate 12 is arranged between the lower surface of the coupler 4 and the upper surface of the shaft shoulder of the intermediate shaft 3, so that excessive wear of the coupler 4 and the intermediate shaft 3 is prevented.
The first piston 13 is provided with a guide pin, the guide pin is lifted in a guide sleeve, and the guide sleeve is arranged in the shell 1, so that the piston of the cylinder is guided, and the smooth running of the piston is ensured.
This automatic double spindle of tool changing can drive two sets of cutter centre gripping modules simultaneously through triaxial bevel gear drive and rotate, carries out automatic polishing, and through two sets of pneumatic tool changing modules, realizes double spindle cutter automatic centre gripping, automatic dress, the automatic collet chuck dust function of cleaning, has improved the high-power automatic work efficiency of polishing of robot.
Claims (7)
1. An automatic tool changing double spindle which is characterized in that: the three-axis bevel gear transmission mechanism drives the two sets of cutter clamping modules to rotate; realizing the functions of automatically clamping, automatically replacing and automatically cleaning dust of the collet (2) by two sets of cutters;
the two cutter clamping modules are respectively arranged at two ends of the triaxial bevel gear transmission mechanism; the cutter clamping module comprises a shell (1), a collet chuck (2), an intermediate shaft (3), a coupler (4), an end cover (6), a spring (9) and a rotary drum (10); the rotary drum (10) is rotatably arranged in the shell (1), a mounting cavity is formed in the rotary drum (10), and the springs (9) are sleeved on the outer side of the intermediate shaft (3) and are arranged in the mounting cavity together; the upper end of the collet chuck (2) is connected with the end part of the intermediate shaft (3); the lower end of the collet (2) extends out from the lower port of the rotary drum (10); a slot for clamping a cutter is formed in the lower end of the collet chuck (2);
each set of cutter clamping module is provided with a set of pneumatic cutter changing module, and each set of pneumatic cutter changing module comprises a first piston (13), a first sealing ring (14), a wear-resistant ring (15), a first cylinder body (16), a second sealing ring (17), a third sealing ring (18), a plane sealing ring (19), a second piston (20) and a second cylinder body (21); the piston I (13), the sealing ring I (14) and the wear-resistant ring (15) form a piston assembly; the piston II (20) and the sealing ring III (18) form a piston assembly; the first cylinder body (16) and the plane sealing ring (19) form a lower cylinder body sealing assembly; the second cylinder body (21) and the plane sealing ring (19) form an upper cylinder body sealing assembly; an air inlet B is arranged on the side wall of the shell (1);
the three-axis bevel gear transmission mechanism comprises a three-way machine seat (25), two sets of cutter clamping modules are respectively arranged at two ends of the three-way machine seat (25), a through shaft (23) is arranged in the three-way machine seat (25), and two ends of the through shaft (23) are respectively connected with intermediate shafts (3) of the two sets of cutter clamping modules; and coaxial bevel gears (22) are symmetrically arranged on the upper part and the lower part of the outer side wall of the through shaft (23), a driving bevel gear (26) is arranged on the side wall of the tee joint base (25), the driving bevel gear (26) is meshed with the two coaxial bevel gears (22), a motor mounting plate (24) is arranged on the outer wall of the tee joint base (25), a motor is mounted on the motor mounting plate (24), and an output shaft of the motor is connected with the driving bevel gear (26).
2. An automatic tool changing double spindle according to claim 1, wherein: an end cover (6) is arranged at the lower port of the shell (1), and a dust ring (5) is arranged between the end cover (6) and the outer wall of the rotary drum (10).
3. An automatic tool changing double spindle according to claim 2, wherein: two first bearings (7) are arranged between the shell (1) and the lower part of the rotary drum (10), two second bearings (11) are arranged on the upper part of the rotary drum, and a bearing spacer ring (8) is arranged between the two first bearings (7).
4. An automatic tool changing double spindle according to claim 3, wherein: the dust-cleaning device is characterized in that a gas channel A is arranged at the lower part of the side wall of the shell (1), a vent hole is formed in the bearing spacer ring (8), a vent hole is also formed in the collet (2), the gas channel A, the vent hole in the bearing spacer ring (8) and the vent hole in the collet (2) are communicated with each other, and when dust is cleaned, gas is introduced into the gas channel A, so that the dust automatic cleaning function of the collet (2) can be realized.
5. The automatic tool changing double spindle according to claim 4, wherein: the slots of the collet (2) are opened in a cone shape, and the diameter of the lower end of the collet (2) is larger than the inner diameter of the lower port of the rotary drum (10).
6. The automatic tool changing double spindle according to claim 5, wherein: and a wear-resistant plate (12) is arranged between the lower surface of the coupler (4) and the upper surface of the shaft shoulder of the intermediate shaft (3).
7. The automatic tool changing double spindle according to claim 6, wherein: and a guide pin is arranged on the first piston (13), the guide pin is lifted in a guide sleeve, and the guide sleeve is arranged in the shell (1), so that the guide of the piston of the air cylinder is realized, and the smooth running of the piston is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321249790.8U CN219725786U (en) | 2023-05-22 | 2023-05-22 | Automatic tool changing double main shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321249790.8U CN219725786U (en) | 2023-05-22 | 2023-05-22 | Automatic tool changing double main shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219725786U true CN219725786U (en) | 2023-09-22 |
Family
ID=88058535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321249790.8U Active CN219725786U (en) | 2023-05-22 | 2023-05-22 | Automatic tool changing double main shafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219725786U (en) |
-
2023
- 2023-05-22 CN CN202321249790.8U patent/CN219725786U/en active Active
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