CN213033922U - Rotating shaft device for clamping pipes and bars - Google Patents
Rotating shaft device for clamping pipes and bars Download PDFInfo
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- CN213033922U CN213033922U CN202020875050.5U CN202020875050U CN213033922U CN 213033922 U CN213033922 U CN 213033922U CN 202020875050 U CN202020875050 U CN 202020875050U CN 213033922 U CN213033922 U CN 213033922U
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Abstract
The utility model discloses a rotating shaft device for clamping pipes and bars, the rotating shaft device is of an internal hollow structure and comprises a rotating shaft shell, a chuck handle, a cylinder system, a bearing rotating system and a chuck, wherein rotating motor bases are symmetrically arranged on the inner sides of an upper end cover and a lower end cover of the rotating shaft shell, and rotating motors are arranged on the rotating motor bases; the rotating shaft of the rotating motor is connected with a rotating flange, the chuck handle is connected with the rotating motor through the rotating flange, and the chuck handle penetrates through the bearing rotating system and is rotatably connected with the bearing rotating system; the air cylinder system is arranged on the outer side of the bearing rotating system and is fixedly connected with the bearing rotating system; the chuck is arranged in the chuck handle. The utility model discloses a rotation axis device structure is reliable, maintains simply, realizes the rotation axis that long-time rotation need not to change pneumatic seal accessory, has solved in the past such rotation axis because rotary seal spare generates heat the wearing and tearing need not the problem of regularly changing this accessory.
Description
Technical Field
The utility model relates to a laser fine processing technology field, concretely relates to a revolving shaft device for centre gripping tubular product, bar.
Background
In the conventional rotary shaft system, an air cylinder structure is basically integrated on a rotary motor and a shell, and air is supplied to the air cylinder structure by using a rotary sealing principle, so that the expansion and contraction of a chuck are driven, and the clamping and loosening of the chuck are completed. This kind of design, rotary seal structure and cylinder structure are the relation of movable fit, and rotary seal structure is motionless and the cylinder structure is rotatory, must be in friction state with the cylinder at rotary seal structure's sealing member when the rotation axis rotates always, so can cause the wearing and tearing that generate heat fast of sealing member, the change sealing member of wanting the unscheduled.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a rotation axis device for centre gripping tubular product, bar has solved in the past such rotation axis because the rotary sealing element generates heat the wearing and tearing need the problem of irregularly changing this accessory.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a rotating shaft device for clamping pipes and bars is of an internal hollow structure and comprises a rotating shaft shell, a chuck handle, a cylinder system, a bearing rotating system and a chuck, wherein a first rotating motor base and a second rotating motor base are symmetrically arranged on the inner sides of an upper end cover and a lower end cover of the rotating shaft shell, and rotating motors are arranged on the first rotating motor base and the second rotating motor base; the rotating shaft of the rotating motor is connected with a rotating flange, the chuck handle is connected with the rotating motor through the rotating flange, and the chuck handle penetrates through the bearing rotating system and is rotatably connected with the bearing rotating system; the air cylinder system is arranged on the outer side of the bearing rotating system and is fixedly connected with the bearing rotating system; the chuck is arranged in the chuck handle.
The rotating shaft device further comprises a chuck cap and a chuck push rod, the chuck comprises a chuck main body, the chuck main body comprises a front end and a tail end, the front end is sequentially and coaxially provided with a conical table part, a cylindrical part and a boss part from a fixed end to a free end, the diameter of the boss part is smaller than that of the cylindrical part, the outer wall of the circumference of one end, close to the boss part, of the cylindrical part is provided with an outer edge part, and the outer edge part, the front end face of the chuck handle and the outer wall of the cylindrical part form a caulking groove; the left end of the chuck push rod is connected with the cylinder system, the right end of the chuck push rod is provided with a downward extending part, and the extending part is inserted into the caulking groove; the chuck cap is "7" shape, including first vertical portion, the vertical portion of second and the horizontal part of connecting first vertical portion and the vertical portion of second, terminal surface and boss portion lateral wall butt under the first vertical portion, the vertical portion of second can be dismantled with the chuck push rod and be connected.
Furthermore, the bearing rotating system comprises a first fixed connecting part, a second fixed connecting part and a rotating connecting part, wherein the first fixed connecting part is detachably connected with the lower part of the left end surface of the air cylinder system, and the right end of the first fixed connecting part is detachably connected with the second fixed connecting part; the upper end of the second fixed connecting part is detachably connected with the air cylinder, and the lower end of the second fixed connecting part is rotatably connected with the rotating connecting part.
Furthermore, the cylinder system comprises a cylinder, a piston and a piston connecting rod fixed on the piston, and the lower part of the front end of the piston connecting rod is connected with the left end of the chuck push rod through a connecting block.
Further, the second vertical portion is provided with external threads, the outer wall of the chuck push rod is provided with internal threads, and the chuck cap is in threaded connection with the chuck push rod through the threads.
Further, the outer edge part is perpendicular to the outer wall of the cylindrical part.
Furthermore, the free end of the tail end is provided with threads and is connected with the inside of the chuck handle through the threads.
Furthermore, three grooves which extend from the tail end to the front end and are communicated with the placing hole are uniformly distributed on the chuck main body, and the front end of the chuck main body is uniformly divided into three clamping pieces.
The beneficial effects of the utility model reside in that:
the utility model provides a structure is reliable on the basis of the defect problem of the traditional pneumatic structure, the maintenance is simple, the rotary shaft which can rotate for a long time and does not need to change the pneumatic sealing fittings is realized, the utility model consists of a first rotary motor base, a second rotary motor base, a rotary motor, a cylinder system, a bearing rotating system, a chuck handle and a chuck, the first rotary motor base, the second rotary motor base and the rotary motor form the main driving part of the rotary shaft, the chuck handle is connected with the rotary motor, the cylinder system does not rotate when the chuck handle rotates through the bearing rotating system, the cylinder only carries out telescopic motion to clamp or loosen the chuck, and the chuck handle synchronously rotate under the clamping state; the utility model adopts the mode of fixing the cylinder structure, the rotating shaft drives the chuck handle to rotate, the rotating structure such as the bearing is utilized to be connected with the cylinder structure, the cylinder structure only does telescopic action and does not rotate along with the rotating structure such as the rotating motor, thus eliminating the heating abrasion of the rotating sealing element and not needing to replace the rotating sealing element, thereby solving the problem that the rotating shaft generates heat and loses the rotating sealing element due to the fast rotating speed and long-time work, the air tightness of the cylinder is occasionally failed or even completely failed, and the chuck can not hold the pipe or the bar; the utility model adopts a simple cylinder principle, the cylinder stretches out and draws back to drive the chuck to close or loosen, the chuck cap is provided with a thread structure, when the pipe diameter changes, only the chuck cap needs to be detached, the chuck is pulled out, then chucks of other specifications are inserted, the chuck cap can be changed by screwing, and only the whole device needs to be assembled on a rotating flange of the rotating shaft during installation; the utility model discloses an air cylinder system can regard as an independent motion system basically, only does flexible action, has consequently saved and has maintained required manpower, material resources and the time of rotary seal, has improved the reliability of chuck centre gripping tubular product and bar greatly.
Drawings
Fig. 1 is a schematic structural diagram of a rotating shaft device for clamping pipes and bars according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a bearing rotating system according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a cylinder system and a chuck push rod according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the chuck cap according to the embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view of the chuck according to the embodiment of the present invention;
FIG. 6 is a schematic view of a three-dimensional structure of the chuck according to the embodiment of the present invention;
fig. 7 is a front view of the front end of the chuck according to the embodiment of the present invention.
Wherein, 1-chuck handle, 2-cylinder system, 3-bearing rotating system, 4-chuck, 5-chuck push rod, 6-chuck cap, 7-upper end cover, 8-lower end cover, 9-rotating motor, 10-swivel flange, 21-cylinder, 22-piston, 23-piston connecting rod, 24-connecting block, 31-first fixed connecting part, 32-second fixed connecting part, 33-rotating connecting part, 41-front end, 42-tail end, 411-conical table part, 412-cylindrical part, 413-boss part, 414-outer edge part, 51-extending part, 61-first vertical part, 62-second vertical 63-horizontal part, 71-first rotating motor base, 81-second rotating motor base.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-7, the rotating shaft device for clamping a pipe or a bar is a hollow structure, and includes a rotating shaft housing, a chuck handle 1, a cylinder system 2, a bearing rotating system 3 and a chuck 4, a first rotating motor base 71 and a second rotating motor base 81 are symmetrically arranged on the inner sides of an upper end cover 7 and a lower end cover 8 of the rotating shaft housing, and a rotating motor 9 is mounted on the first rotating motor base 71 and the second rotating motor base 81; a rotating shaft of the rotating motor 9 is connected with a rotating body flange 10, the chuck handle 1 is connected with the rotating motor 9 through the rotating body flange 10, and the chuck handle 1 penetrates through the bearing rotating system 3 and is rotatably connected with the bearing rotating system 3; the cylinder system 2 is arranged on the outer side of the bearing rotating system 3 and is fixedly connected with the bearing rotating system 3; the chuck 4 is arranged in the chuck handle 1.
The rotating shaft device further comprises a chuck cap 6 and a chuck push rod 5, the chuck 4 comprises a chuck main body, the chuck main body comprises a front end 41 and a tail end 42, the front end 41 is sequentially and coaxially provided with a conical table part 411, a cylindrical part 412 and a boss part 413 from a fixed end to a free end, the diameter of the boss part 413 is smaller than that of the cylindrical part 412, the outer wall of the circumference of one end, close to the boss part 13, of the cylindrical part 412 is provided with an outer edge part 414, and the outer edge part 414, the front end face of the chuck handle 1 and the outer wall of the cylindrical part 412 form a caulking groove; the left end of the chuck push rod 5 is connected with the cylinder system 2, the right end of the chuck push rod is provided with a downward extending part 51, and the extending part 51 is inserted into the caulking groove; the chuck cap 6 is in a shape of '7', and comprises a first vertical part 61, a second vertical part 62 and a horizontal part 63 connecting the first vertical part 61 and the second vertical part 61, wherein the lower end surface of the first vertical part 61 is abutted against the side wall of the boss part 413, and the second vertical part 62 is detachably connected with the chuck push rod 5.
The bearing rotating system 3 comprises a first fixed connecting part 31, a second fixed connecting part 31 and a rotating connecting part 33, wherein the first fixed connecting part 31 is detachably connected with the lower part of the left end face of the cylinder system 2, and the right end of the first fixed connecting part is detachably connected with the second fixed connecting part 32; the second fixed connecting portion 32 has an upper end detachably connected to the cylinder 21 and a lower end rotatably connected to the rotating connecting portion 33.
The air cylinder system comprises an air cylinder 21, a piston 22 and a piston connecting rod 23 fixed on the piston 22, and the lower part of the front end of the piston connecting rod 23 is connected with the left end of the chuck push rod 5 through a connecting block 24.
The second vertical part 61 is provided with external threads, the outer wall of the chuck push rod 5 is provided with internal threads, and the chuck cap 6 is in threaded connection with the chuck push rod 5 through threads.
The outer rim portion 414 is perpendicular to the outer wall of the cylindrical portion 412.
The free end of the tail end 42 is provided with threads and is connected with the interior of the chuck handle 1 through the threads.
Three grooves 43 extending from the tail end to the front end and communicated with the placing hole 415 are uniformly distributed on the chuck body, and the front end 41 of the chuck body is divided into three clamping pieces.
Those of ordinary skill in the art will understand that: the above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A rotating shaft device for clamping pipes and bars is characterized by comprising a rotating shaft shell, a chuck handle, a cylinder system, a bearing rotating system and a chuck, wherein a first rotating motor base and a second rotating motor base are symmetrically arranged on the inner sides of an upper end cover and a lower end cover of the rotating shaft shell, and rotating motors are arranged on the first rotating motor base and the second rotating motor base; the rotating shaft of the rotating motor is connected with a rotating flange, the chuck handle is connected with the rotating motor through the rotating flange, and the chuck handle penetrates through the bearing rotating system and is rotatably connected with the bearing rotating system; the air cylinder system is arranged on the outer side of the bearing rotating system and is fixedly connected with the bearing rotating system; the chuck is arranged in the chuck handle.
2. A rotating shaft device for clamping pipes and bars as claimed in claim 1, further comprising a chuck cap and a chuck push rod, wherein the chuck comprises a chuck body, the chuck body comprises a front end and a tail end, the front end is coaxially provided with a conical table portion, a cylindrical portion and a boss portion from a fixed end to a free end in sequence, the diameter of the boss portion is smaller than that of the cylindrical portion, the cylindrical portion is provided with an outer edge portion on the outer wall of the circumference near one end of the boss portion, and the outer edge portion, the front end face of the chuck handle and the outer wall of the cylindrical portion form a caulking groove; the left end of the chuck push rod is connected with the cylinder system, the right end of the chuck push rod is provided with a downward extending part, and the extending part is inserted into the caulking groove; the chuck cap is "7" shape, including first vertical portion, the vertical portion of second and the horizontal part of connecting first vertical portion and the vertical portion of second, terminal surface and boss portion lateral wall butt under the first vertical portion, the vertical portion of second can be dismantled with the chuck push rod and be connected.
3. The rotating shaft device for clamping pipes and bars as claimed in claim 1, wherein the bearing rotating system comprises a first fixed connecting part, a second fixed connecting part and a rotating connecting part, the first fixed connecting part is detachably connected with the lower part of the left end face of the cylinder system, and the right end of the bearing rotating system is detachably connected with the second fixed connecting part; the upper end of the second fixed connecting part is detachably connected with the air cylinder, and the lower end of the second fixed connecting part is rotatably connected with the rotating connecting part.
4. The rotating shaft device for clamping pipes and bars as claimed in claim 2, wherein the cylinder system comprises a cylinder, a piston and a piston connecting rod fixed on the piston, and the lower part of the front end of the piston connecting rod is connected with the left end of the chuck push rod through a connecting block.
5. The rotating shaft device for clamping pipes and bars as claimed in claim 2, wherein the second vertical portion is provided with external threads, the outer wall of the chuck push rod is provided with internal threads, and the chuck cap is in threaded connection with the chuck push rod.
6. A rotating shaft device for clamping pipes and bars as claimed in claim 2, wherein the outer edge part is perpendicular to the outer wall of the cylindrical part.
7. A rotating shaft device for clamping pipes and bars according to claim 2, characterized in that the free end of the tail end is provided with a thread and is connected with the inside of the chuck handle through the thread.
8. The rotating shaft device for clamping pipes and bars as claimed in claim 2, wherein the chuck body is evenly distributed with three grooves extending from the tail end to the front end and communicating with the placing hole, and the front end of the chuck body is equally divided into three clamping pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020875050.5U CN213033922U (en) | 2020-05-22 | 2020-05-22 | Rotating shaft device for clamping pipes and bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020875050.5U CN213033922U (en) | 2020-05-22 | 2020-05-22 | Rotating shaft device for clamping pipes and bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213033922U true CN213033922U (en) | 2021-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020875050.5U Active CN213033922U (en) | 2020-05-22 | 2020-05-22 | Rotating shaft device for clamping pipes and bars |
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| Country | Link |
|---|---|
| CN (1) | CN213033922U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468846A (en) * | 2020-05-22 | 2020-07-31 | 昆山允可精密工业技术有限公司 | Rotating shaft device for clamping pipes and bars |
| CN114669862A (en) * | 2022-05-06 | 2022-06-28 | 昆山允可精密工业技术有限公司 | Four-axis femtosecond laser micromachining system for medical support |
| CN114985959A (en) * | 2022-05-06 | 2022-09-02 | 昆山允可精密工业技术有限公司 | Five laser cutting machines of surgical instruments |
-
2020
- 2020-05-22 CN CN202020875050.5U patent/CN213033922U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468846A (en) * | 2020-05-22 | 2020-07-31 | 昆山允可精密工业技术有限公司 | Rotating shaft device for clamping pipes and bars |
| CN114669862A (en) * | 2022-05-06 | 2022-06-28 | 昆山允可精密工业技术有限公司 | Four-axis femtosecond laser micromachining system for medical support |
| CN114985959A (en) * | 2022-05-06 | 2022-09-02 | 昆山允可精密工业技术有限公司 | Five laser cutting machines of surgical instruments |
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