CN216706818U - Flexible automatic quick-change device for pneumatic drill cutter - Google Patents
Flexible automatic quick-change device for pneumatic drill cutter Download PDFInfo
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- CN216706818U CN216706818U CN202122900558.3U CN202122900558U CN216706818U CN 216706818 U CN216706818 U CN 216706818U CN 202122900558 U CN202122900558 U CN 202122900558U CN 216706818 U CN216706818 U CN 216706818U
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Abstract
The utility model discloses a flexible automatic quick-change device for a pneumatic drilling cutter, which comprises a base, wherein one end of the base is rotatably provided with a first fixing piece, one end of the first fixing piece, which is far away from the base, extends into a positioning ring groove on the pneumatic drilling cutter, and a plurality of fixing teeth are uniformly arranged on the first fixing piece along the circumferential direction; a driving device for driving the first fixing piece to rotate is arranged inside the base, and a driving end of the driving device is connected with one end of the first fixing piece; a second fixing piece is rotatably arranged on one side, located on the first fixing piece, of the base through an elastic piece, and one end, far away from the base, of the second fixing piece extends into a positioning ring groove in the pneumatic drilling tool; the pneumatic drill cutter replacing device can rapidly realize replacement of pneumatic drill cutters, can reduce abrasion to used tools, and can meet the requirement of replacement of different pneumatic drill cutters.
Description
Technical Field
The utility model belongs to the technical field of pneumatic drill cutter dismounting and replacing devices, and particularly relates to a flexible automatic quick-changing device for a pneumatic drill cutter.
Background
During the assembly of an aircraft, millions of connecting elements are involved, of which the type of connecting holes is hundreds of thousands. In the process of forming the holes, most of the holes are formed by workers manually.
Different cutters need to be replaced aiming at different hole diameters and different hole making processes, and the specifications of the key wrench of the drill chuck are various and the number of the key wrench is huge due to different types and manufacturers of pneumatic drills. On the one hand, the existing drill chuck key wrench realizes that the continuous replacement of a cutter easily causes the abrasion of the position of a drill chuck and the abrasion of the drill chuck key wrench, so that the subsequent process of screwing the drill chuck by using the drill chuck key wrench is easy to slip, the cutter cannot be clamped, the cutter cannot be normally used in the hole making process, and especially when the reamer is used for reaming with large hole diameter, the hole diameter is easily out of tolerance because the reamer is not clamped stably. On the other hand, when the cutter is clamped on the pneumatic drill, the clamping force of the drill chuck is increased along with the rotation of the pneumatic drill in the using process, so that time and labor are wasted when the cutter is taken down by using a key wrench of the drill chuck, and the pneumatic drill is easily damaged. Therefore, the research on the flexible automatic quick change device for the pneumatic drill cutter is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flexible automatic quick-change device for a pneumatic drill cutter, which can quickly realize the replacement of the pneumatic drill cutter, reduce the abrasion to a used tool and meet the requirements of the replacement of different pneumatic drill cutters.
The utility model is realized by the following technical scheme:
a flexible automatic quick-change device for an air drilling cutter comprises a base, wherein a first fixing piece is rotatably arranged at one end of the base, one end, far away from the base, of the first fixing piece extends into a positioning ring groove in the air drilling cutter, and a plurality of fixing teeth are uniformly arranged on the first fixing piece along the circumferential direction; a driving device for driving the first fixing piece to rotate is arranged inside the base, and a driving end of the driving device is connected with one end of the first fixing piece; one side that is located first mounting on the base rotates through the elastic component and is provided with the second mounting, the one end that the base was kept away from to the second mounting stretches into in the positioning ring groove on the air drill cutter.
One end of the first fixing piece is connected with a driving device in the base in a driving mode, and the other end of the first fixing piece extends into a positioning ring groove in the drilling tool and is in sliding contact with the bottom surface of the positioning ring groove. And a plurality of fixed teeth are arranged between the two ends of the first fixing piece along the circumferential direction, and the fixed teeth are meshed with circumferential teeth on the tripping tool. The second fixing piece is arranged on one side of the first fixing piece, one end of the second fixing piece is rotatably connected with one side of the base through the elastic piece, and the other end of the second fixing piece extends into the positioning ring groove in the pneumatic drilling tool and is in sliding contact with the bottom surface of the positioning ring groove. Under the elastic action of the elastic piece, the other end of the second fixing piece can tightly push the bottom surface of the positioning ring groove, and then the other end of the first fixing piece is matched with the tightly push of the bottom surface of the positioning ring groove, so that the pneumatic drill cutter can be clamped and fixed. Then can drive first mounting through drive arrangement and rotate, and then through the meshing relation between fixed tooth and the circumference tooth, further drive the tool rotation of drawing a hole, realize stabilizing the dismantlement to the tool of drawing a hole.
In order to better realize the utility model, the first fixing piece comprises a fixing shaft, a fixing head and a fixing gear ring, the fixing shaft is rotatably arranged at one end of the base and is connected with the driving end of the driving device, the fixing head is arranged at the other end of the fixing shaft, the fixing gear ring is sleeved on the fixing shaft, and fixing teeth are uniformly arranged on the fixing gear ring along the circumferential direction.
In order to better implement the utility model, one end of the fixed shaft is connected with the driving end of the driving device through an elastic coupling.
In order to better implement the utility model, a forward switch and a reverse switch are further arranged on the base, and the forward switch and the reverse switch are respectively connected with a driving device.
In order to better implement the present invention, further, the driving device is a driving motor disposed inside the base, and an output shaft of the driving motor is connected to one end of the fixed shaft.
In order to better realize the utility model, the second fixing piece comprises a connecting crank and a pressing head, one end of the connecting crank is provided with a mounting disc, the mounting disc is rotatably connected with one side of the base through a rotating shaft, and an elastic piece is arranged between the rotating shaft and the base; the other end of the connecting crank is provided with a pressing head.
In order to better implement the present invention, further, the elastic member is a coil spring disposed between the rotation shaft and the base.
In order to better implement the utility model, a handle is further arranged at one end of the base, which is far away from the first fixing piece.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
(1) according to the pneumatic drilling tool, the first fixing piece is arranged at one end of the base, the second fixing piece is arranged on one side of the first fixing piece, the side face of the pneumatic drilling tool is clamped through the matching of the first fixing piece and the second fixing piece, and meanwhile, the second fixing piece can effectively assist the first fixing piece to stably clamp the side face of the pneumatic drilling tool through the elastic force provided by the elastic piece arranged between the second fixing piece and the base, so that the stability of the pneumatic drilling tool during disassembly and replacement is effectively guaranteed;
(2) according to the utility model, the first fixing piece and the second fixing piece are arranged into the modularized assembling structure, so that the corresponding first fixing piece and second fixing piece can be replaced aiming at the pneumatic drilling tools with different specifications, and the pneumatic drilling tools with different specifications can be used by being disassembled and replaced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the installation of the drive device;
FIG. 3 is a schematic structural view of a first fastener;
FIG. 4 is a schematic view of a second fastener;
FIG. 5 is a top view of the attachment of the pneumatic drill tool;
fig. 6 is a perspective view of the pneumatic drill tool.
Wherein: 1-a base; 2-a drive device; 01-a first fixture; 02-a second fixture; 011-fixed axis; 012-a fixed head; 013 — fixing the gear ring; 021-connecting crank; 022-pressing the head.
Detailed Description
Example 1:
the flexible automatic quick-change device for the pneumatic drill cutter of the embodiment, as shown in fig. 1-6, comprises a base 1, wherein a first fixing member 01 is rotatably arranged at one end of the base 1, one end, far away from the base 1, of the first fixing member 01 extends into a positioning ring groove on the pneumatic drill cutter, and a plurality of fixing teeth are uniformly arranged on the first fixing member 01 along the circumferential direction; a driving device 2 for driving the first fixing piece 01 to rotate is arranged inside the base 1, and a driving end of the driving device 2 is connected with one end of the first fixing piece 01; one side that is located first mounting 01 on base 1 rotates through the elastic component and is provided with second mounting 02, the one end that base 1 was kept away from to second mounting 02 stretches into in the positioning ring groove on the air drill cutter.
The one end that base 1 was kept away from to first mounting 01 and the one end that base 1 was kept away from to second mounting 02 are the location end that corresponds the setting of the location ring groove on the tool that drills out, and the location end of first mounting 01 and the location end of second mounting 02 all extend to the inside and with the tank bottom surface sliding contact of location ring groove. Simultaneously, the fixed tooth that sets up on first mounting 01 meshes with the circumference tooth on the pneumatic drill cutter, and second mounting 02 is under the elastic force effect of elastic component for the groove bottom face orientation of positioning ring groove of second mounting 02 is close to the direction top of the positioning end of first mounting 01 tightly, and then cooperates the positioning end of first mounting 01 to press from both sides the groove bottom face of positioning ring groove tightly, and then realizes the centre gripping of tool that plays a drill and fix. Then, when the driving device 2 drives the first fixing member 01 to rotate, the air drilling tool is driven to rotate by the engagement of the fixing teeth and the circumferential teeth, and the fixed end of the first fixing member 01 and the fixed end of the second fixing member 02 are in sliding contact with the bottom surface of the positioning ring groove, so that the fixed end of the first fixing member 01 and the fixed end of the second fixing member 02 can not obstruct the rotation of the air drilling tool while stabilizing the air drilling tool.
Further, base 1 is provided with the handle apart from the one end of first mounting 01, and the handle through setting up can conveniently grip base 1 for it is more convenient to operate and use.
Example 2:
the embodiment is further optimized on the basis of embodiment 1, as shown in fig. 3, the first fixing element 01 includes a fixing shaft 011, a fixing head 012 and a fixing gear ring 013, the fixing shaft 011 is rotatably disposed at one end of the base 1 and connected to the driving end of the driving device 2, the fixing head 012 is disposed at the other end of the fixing shaft 011, the fixing gear ring 013 is sleeved on the fixing shaft 011, and fixing teeth are uniformly disposed on the fixing gear ring 013 along the circumferential direction.
A key groove is formed between the two ends of the fixed shaft 011, and the fixed gear ring 013 is detachably sleeved on the fixed shaft 011 through a connecting key arranged in the key groove. The end of the fixed shaft 011 far away from the base 1 is installed or clamped with a fixed head 012 through screw threads, and the edge of the end of the fixed head 012 extending to the inside of the positioning ring groove on the pneumatic drill cutter is provided with a chamfer. And fixed teeth are arranged on the fixed gear ring 013 corresponding to the circumferential teeth on the drilling tool, and the fixed teeth are meshed with the circumferential teeth. According to the pneumatic drilling tools of different specifications, the specifications of the positioning ring grooves and the specifications of the circumferential teeth are different, and at the moment, the matched fixing head 012 and the matched fixing gear ring 013 can be correspondingly replaced, so that the pneumatic drilling tools of different specifications can be compatibly connected.
Further, one end of the fixed shaft 011 is connected with a driving end of the driving device 2 through an elastic coupling.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
the present embodiment is further optimized based on the above embodiment 1 or 2, and a forward switch and a reverse switch are arranged on the base 1, and the forward switch and the reverse switch are respectively connected to the driving device 2. When the pneumatic drill cutter is disassembled, the driving device 2 drives the fixed shaft 011 to rotate forwards by pressing the forward rotation switch; by pressing the reversing switch, the driving device 2 drives the fixed shaft 011 to rotate reversely, and then the pneumatic drill cutter is detached in a bidirectional rotating mode.
Further, the driving device 2 is a driving motor arranged inside the base 1, and an output shaft of the driving motor is connected with one end of the fixed shaft 011.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
the present embodiment is further optimized on the basis of any one of the above embodiments 1-3, as shown in fig. 4, the second fixing member 02 includes a connecting crank 021 and a pressing head 022, an end of the connecting crank 021 is provided with a mounting disc, the mounting disc is rotatably connected to one side of the base 1 through a rotating shaft, and an elastic member is disposed between the rotating shaft and the base 1; the other end of the connecting crank 021 is provided with a pressing head 022; the elastic member is a coil spring disposed between the rotation shaft and the base 1.
The one end welding of connecting crank 021 or joint is provided with the mounting disc, and the centre of a circle department of mounting disc is provided with the pivot, and the both ends of pivot are rotated with one side of base 1 and are connected, and the winding is provided with the wind spring in the winding on the pivot. Another detachable joint or threaded connection of connecting crank 021 has oppression head 022, and oppression head 022 corresponds the setting of the positioning ring groove on the pneumatic drill cutter and with the tank bottom surface sliding contact of positioning ring groove. Under the elastic force of the coil spring, the pressing head 022 presses the groove bottom surface of the positioning ring groove towards the direction close to the first fixing piece 01, and then the pneumatic drill cutter is clamped firmly by matching with the first fixing piece 01.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications and equivalent variations of the above embodiment according to the technical spirit of the present invention are within the scope of the present invention.
Claims (8)
1. The flexible automatic quick-change device for the pneumatic drill cutter comprises a base (1) and is characterized in that one end of the base (1) is rotatably provided with a first fixing piece (01), one end, far away from the base (1), of the first fixing piece (01) extends into a positioning ring groove in the pneumatic drill cutter, and a plurality of fixing teeth are uniformly arranged on the first fixing piece (01) along the circumferential direction; a driving device (2) for driving the first fixing piece (01) to rotate is arranged inside the base (1), and a driving end of the driving device (2) is connected with one end of the first fixing piece (01); one side that lies in first mounting (01) on base (1) is provided with second mounting (02) through the elastic component rotation, the one end that base (1) was kept away from in the location annular of second mounting (02) stretched into on the air drill cutter.
2. The flexible automatic quick-change device for the pneumatic drill cutter according to claim 1, wherein the first fixing piece (01) comprises a fixing shaft (011), a fixing head (012) and a fixing gear ring (013), the fixing shaft (011) is rotatably arranged at one end of the base (1) and connected with the driving end of the driving device (2), the fixing head (012) is arranged at the other end of the fixing shaft (011), the fixing gear ring (013) is sleeved on the fixing shaft (011), and the fixing gear ring (013) is uniformly provided with fixing teeth along the circumferential direction.
3. The automatic quick-change device for the flexibility of the pneumatic drill cutter according to claim 2, wherein one end of the fixed shaft (011) is connected with the driving end of the driving device (2) through an elastic coupling.
4. The flexible automatic quick-change device for the pneumatic drilling tool according to claim 3, wherein a forward switch and a reverse switch are arranged on the base (1), and the forward switch and the reverse switch are respectively connected with the driving device (2).
5. The automatic quick-change device for the flexibility of the pneumatic drill cutter according to claim 4, characterized in that the driving device (2) is a driving motor arranged inside the base (1), and an output shaft of the driving motor is connected with one end of the fixed shaft (011).
6. The flexible automatic quick-change device for the pneumatic drill cutter according to any one of claims 1-5, wherein the second fixing member (02) comprises a connecting crank (021) and a pressing head (022), a mounting disc is arranged at one end of the connecting crank (021), the mounting disc is rotatably connected with one side of the base (1) through a rotating shaft, and an elastic member is arranged between the rotating shaft and the base (1); the other end of the connecting crank (021) is provided with a pressing head (022).
7. The automatic quick-change device for the flexibility of the pneumatic drill cutter as claimed in claim 6, wherein the elastic member is a coil spring arranged between the rotating shaft and the base (1).
8. An automatic quick-change device for the flexibility of an air drill cutter according to any one of claims 1 to 5, characterized in that a handle is arranged at one end of the base (1) far away from the first fixing member (01).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122900558.3U CN216706818U (en) | 2021-11-24 | 2021-11-24 | Flexible automatic quick-change device for pneumatic drill cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122900558.3U CN216706818U (en) | 2021-11-24 | 2021-11-24 | Flexible automatic quick-change device for pneumatic drill cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216706818U true CN216706818U (en) | 2022-06-10 |
Family
ID=81881359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122900558.3U Active CN216706818U (en) | 2021-11-24 | 2021-11-24 | Flexible automatic quick-change device for pneumatic drill cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216706818U (en) |
-
2021
- 2021-11-24 CN CN202122900558.3U patent/CN216706818U/en active Active
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