CN215847612U - Internal clamping and rotating device for precision steel pipe machining - Google Patents
Internal clamping and rotating device for precision steel pipe machining Download PDFInfo
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- CN215847612U CN215847612U CN202121732454.XU CN202121732454U CN215847612U CN 215847612 U CN215847612 U CN 215847612U CN 202121732454 U CN202121732454 U CN 202121732454U CN 215847612 U CN215847612 U CN 215847612U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 68
- 239000010959 steel Substances 0.000 title claims abstract description 68
- 238000003754 machining Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The utility model provides an internal clamping and rotating device for machining a precision steel pipe, wherein a main shaft is rotatably arranged in a main shaft seat through a bearing seat, and the main shaft is connected with a power device for driving the main shaft to rotate; a flange plate is fixedly mounted at the other end of the main shaft, a sleeve is fixedly mounted on the outer end face of the flange plate, a first fixing sleeve is fixedly mounted on one end, close to the flange plate, of the sleeve, a rotating shaft is rotatably mounted inside the sleeve, an external thread column is processed on the rotating shaft, and a thread sleeve is mounted on the external thread column through thread transmission; a plurality of groups of scissor fork mechanisms are uniformly arranged between the outer walls of the first fixed sleeve and the threaded sleeve; the other end of the scissor mechanism is hinged with a steel pipe supporting plate for supporting the inner wall of the steel pipe. The clamping and rotating device adopts a mode of clamping and fixing the interior of the steel pipe, and can be well suitable for precision steel pipes with different inner diameter specifications and sizes.
Description
Technical Field
The utility model belongs to the field of precision steel pipe production equipment, and particularly relates to an internal clamping and rotating device for precision steel pipe machining.
Background
The outer wall of a blank raw material pipe needs to be machined in the machining process of a precision steel pipe, the end of the steel pipe needs to be clamped in the specific machining process, a clamp of a three-jaw chuck is adopted at present, the position of a clamping end of the clamp cannot be machined normally in the clamping process of the clamp, the clamping position needs to be machined in a follow-up reversing mode, the machining process is relatively complex, and the working efficiency is relatively low. Therefore, an internal clamping mechanism is required to clamp the steel pipe, so that the complete processing of the outer wall of the steel pipe is ensured, and one-time processing is realized.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the internal clamping and rotating device for machining the precision steel pipe, which adopts a mode of clamping and fixing the inside of the steel pipe, can be well suitable for precision steel pipes with different inner diameter specifications and sizes, further realizes one-time machining of the outer wall of the steel pipe and improves the machining efficiency.
In order to achieve the technical features, the utility model is realized as follows: the inner clamping and rotating device for machining the precision steel pipe comprises a main shaft seat, wherein a main shaft is rotatably arranged in the main shaft seat through a bearing seat, and the main shaft is connected with a power device for driving the main shaft to rotate; a flange plate is fixedly mounted at the other end of the main shaft, a sleeve is fixedly mounted on the outer end face of the flange plate, a first fixing sleeve is fixedly mounted on one end, close to the flange plate, of the sleeve, a rotating shaft is rotatably mounted inside the sleeve, an external thread column is processed on the rotating shaft, and a thread sleeve is mounted on the external thread column through thread transmission; a plurality of groups of scissor fork mechanisms are uniformly arranged between the outer walls of the first fixed sleeve and the threaded sleeve; the other end of the scissor mechanism is hinged with a steel pipe supporting plate for supporting the inner wall of the steel pipe.
The spindle seat is fixedly arranged on the frame bottom plate, and bolt through holes are symmetrically processed on two sides of the frame bottom plate respectively.
The power device comprises a belt pulley fixed on the main shaft, the belt pulley and a driving belt pulley form belt transmission through a belt, and the driving belt pulley is installed on the main shaft of the motor.
The end of axis of rotation has the rotation cover through locking plate and locking bolt fixed mounting, the outside equipartition of rotating the cover is fixed with the dwang.
The first fixing sleeve is fixedly connected with the flange plate through a flange bolt.
The scissors mechanism comprises a first ear seat arranged on the outer wall of the first fixed sleeve, and a first connecting rod is hinged to the first ear seat through a first pin shaft; a second lug seat is fixed on the outer wall of the threaded sleeve, and a second connecting rod is hinged to the second lug seat through a second pin shaft; the middle parts of the first connecting rod and the second connecting rod are hinged through a third pin shaft, the other end of the first connecting rod is in sliding fit with a sliding groove in a vertical plate through a fourth pin shaft, and the vertical plate is fixed in the middle part of the inner side wall of the steel pipe supporting plate; the other end of the second connecting rod is hinged with the other end of the vertical plate through a fifth pin shaft.
And a positioning baffle is fixed in the middle of the end head of the steel pipe supporting plate.
The shearing fork mechanisms are three groups and are uniformly distributed outside the sleeve.
The utility model has the following beneficial effects:
1. the clamping and rotating device adopts a mode of clamping and fixing the inside of the steel pipe, can be well suitable for precision steel pipes with different inner diameter specifications and sizes, further realizes one-time processing of the outer wall of the steel pipe, and improves the processing efficiency.
2. By adopting the fixed mounting structure, the spindle seat can be reliably fixed, and the fixing reliability of the spindle seat is further ensured.
3. The power device can be used for providing rotary power.
4. Through foretell fixed mode, guaranteed to rotate the cover and can drive the axis of rotation and realize rotating.
5. Through foretell connection structure, guaranteed joint strength and reliability between first fixed cover and the flange.
6. Through foretell scissors fork mechanism can the expansion action of steel pipe backup pad, and then realize pressing from both sides tightly and fixed to accurate steel pipe inner wall through open steel pipe backup pad.
7. The positioning baffle plate with the structure can be used for positioning the end of the precision steel pipe.
Drawings
The utility model is further illustrated by the following figures and examples.
FIG. 1 is a three-dimensional view of the present invention.
Fig. 2 is a three-dimensional view of the utility model in a specific clamping process.
In the figure: belt pulley 1, main shaft 2, main shaft seat 3, bolt through hole 4, frame bottom plate 5, ring flange 6, first fixed cover 7, flange bolt 8, first round pin axle 9, first ear seat 10, locating baffle 11, fifth round pin axle 12, steel pipe backup pad 13, second connecting rod 14, first connecting rod 15, third round pin axle 16, fourth round pin axle 17, riser 18, second round pin axle 19, second ear seat 20, axis of rotation 21, dwang 22, locking plate 23, locking bolt 24, rotate the cover 25, thread bush 26, external screw thread post 27, sleeve 28, accurate steel pipe 29.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-2, the internal clamping and rotating device for precision steel pipe machining comprises a spindle base 3, wherein a spindle 2 is rotatably mounted inside the spindle base 3 through a bearing seat, and the spindle 2 is connected with a power device for driving the spindle to rotate; a flange plate 6 is fixedly mounted at the other end of the main shaft 2, a sleeve 28 is fixedly mounted on the outer end face of the flange plate 6, a first fixing sleeve 7 is fixedly mounted on one end, close to the flange plate 6, of the sleeve 28, a rotating shaft 21 is rotatably mounted inside the sleeve 28, an external threaded column 27 is processed on the rotating shaft 21, and a threaded sleeve 26 is mounted on the external threaded column 27 through threaded transmission; a plurality of groups of scissors mechanisms are uniformly arranged between the outer walls of the first fixed sleeve 7 and the threaded sleeve 26; the other end of the scissor mechanism is hinged with a steel pipe supporting plate 13 for supporting the inner wall of the steel pipe. The clamping and rotating device adopts a mode of clamping and fixing the inside of the steel pipe, can be well suitable for precision steel pipes with different inner diameter specifications and sizes, further realizes one-time processing of the outer wall of the steel pipe, and improves the processing efficiency. Through above-mentioned device, in the concrete working process, can drive thread bush 26 through external screw thread post 27, and then cut the fork mechanism through the drive of thread bush 26, and then drive steel pipe backup pad 13 through cutting the fork mechanism and outwards open, and then realize fixed the support of precision steel pipe.
Further, the spindle seat 3 is fixedly installed on a frame bottom plate 5, and bolt through holes 4 are symmetrically processed on two sides of the frame bottom plate 5 respectively. By adopting the fixed mounting structure, the spindle seat 3 can be reliably fixed, and the fixing reliability is further ensured.
Furthermore, the power device comprises a belt pulley 1 fixed on the main shaft 2, the belt pulley 1 and a driving belt pulley form belt transmission through a belt, and the driving belt pulley is installed on the main shaft of the motor. The power device can be used for providing rotary power. In the working process, the driving belt wheel is driven by the motor, the belt pulley 1 is driven by the driving belt wheel and the belt, the main shaft 2 is driven by the belt pulley 1, the whole sleeve 28 is driven to rotate by the main shaft 2, and the whole precision steel pipe is driven to rotate by the sleeve 28.
Further, the end of the rotating shaft 21 is fixedly provided with a rotating sleeve 25 through a locking plate 23 and a locking bolt 24, and rotating rods 22 are uniformly distributed and fixed outside the rotating sleeve 25. Through the above-mentioned fixed mode, it is guaranteed that the rotating sleeve 25 can drive the rotating shaft 21 to rotate.
Furthermore, the first fixing sleeve 7 is fixedly connected with the flange plate 6 through a flange bolt 8. Through the connecting structure, the connecting strength and reliability between the first fixing sleeve 7 and the flange plate 6 are ensured.
Further, the scissors mechanism comprises a first ear seat 10 arranged on the outer wall of the first fixing sleeve 7, and the first ear seat 10 is hinged with a first connecting rod 15 through a first pin shaft 9; a second lug seat 20 is fixed on the outer wall of the threaded sleeve 26, and a second connecting rod 14 is hinged on the second lug seat 20 through a second pin shaft 19; the middle parts of the first connecting rod 15 and the second connecting rod 14 are hinged through a third pin shaft 16, the other end of the first connecting rod 15 is in sliding fit with a sliding groove in a vertical plate 18 through a fourth pin shaft 17, and the vertical plate 18 is fixed in the middle of the inner side wall of the steel pipe supporting plate 13; the other end of the second connecting rod 14 is hinged with the other end of the vertical plate 18 through a fifth pin shaft 12. The steel pipe supporting plate 13 can be unfolded through the scissor mechanism, and the inner wall of the precision steel pipe can be clamped and fixed through the unfolded steel pipe supporting plate 13. In the working process, through manual rotation axis of rotation 21, through axis of rotation 21 drive external screw thread post 27, through the transmission cooperation between external screw thread post 27 and the thread bush 26, drive thread bush 26 moves along the axial direction of sleeve 28, and then drives corresponding first connecting rod 15 and second connecting rod 14, through the rotation of first connecting rod 15 and second connecting rod 14, drives steel pipe backup pad 13 and outwards opens.
Furthermore, a positioning baffle plate 11 is fixed in the middle of the end of the steel tube support plate 13. The positioning baffle 11 with the structure can be used for positioning the end of the precision steel pipe.
Furthermore, the scissors mechanism has three groups, and the scissors mechanisms are uniformly distributed outside the sleeve 28. Through foretell three group equipartition structures, guaranteed to the reliable support of precision steel pipe and fixed.
The working process and principle of the utility model are as follows:
firstly, sleeving a precision steel pipe to be processed outside the steel pipe support plate 13, manually rotating to rotate the rotating shaft 21, driving the external threaded column 27 through the rotating shaft 21, driving the threaded sleeve 26 to move along the axial direction of the sleeve 28 through the transmission fit between the external threaded column 27 and the threaded sleeve 26, further driving the corresponding first connecting rod 15 and the second connecting rod 14, and driving the steel pipe support plate 13 to be outwards opened through the rotation of the first connecting rod 15 and the second connecting rod 14; the inner wall of the precision steel pipe is internally supported and clamped through a steel pipe supporting plate 13; finally, the power device is started, the driving belt wheel is driven by the motor, the belt pulley 1 is driven by the driving belt wheel and the belt, the main shaft 2 is driven by the belt pulley 1, the whole sleeve 28 is driven to rotate by the main shaft 2, the whole precision steel pipe is driven to rotate by the sleeve 28, and the machining of the precision steel pipe is realized in the rotating process of the precision steel pipe.
Claims (8)
1. Internal clamping slewer of precision steel pipe processing, its characterized in that: the device comprises a spindle seat (3), wherein a spindle (2) is rotatably arranged in the spindle seat (3) through a bearing seat, and the spindle (2) is connected with a power device for driving the spindle to rotate; a flange plate (6) is fixedly mounted at the other end of the main shaft (2), a sleeve (28) is fixedly mounted on the outer end face of the flange plate (6), a first fixing sleeve (7) is fixedly mounted on one end, close to the flange plate (6), of the sleeve (28), a rotating shaft (21) is rotatably mounted inside the sleeve (28), an external threaded column (27) is machined on the rotating shaft (21), and a threaded sleeve (26) is mounted on the external threaded column (27) through threaded transmission; a plurality of groups of scissor fork mechanisms are uniformly arranged between the first fixed sleeve (7) and the outer wall of the threaded sleeve (26); the other end of the scissor mechanism is hinged with a steel pipe support plate (13) for supporting the inner wall of the steel pipe.
2. The internal clamping rotation device for precision steel pipe machining according to claim 1, characterized in that: the spindle seat (3) is fixedly arranged on a frame bottom plate (5), and bolt through holes (4) are symmetrically processed on two sides of the frame bottom plate (5) respectively.
3. The internal clamping rotation device for precision steel pipe machining according to claim 1, characterized in that: the power device comprises a belt pulley (1) fixed on a main shaft (2), the belt pulley (1) and a driving belt pulley form belt transmission through a belt, and the driving belt pulley is installed on the main shaft of the motor.
4. The internal clamping rotation device for precision steel pipe machining according to claim 1, characterized in that: the end of axis of rotation (21) passes through locking plate (23) and locking bolt (24) fixed mounting has and rotates cover (25), the outside equipartition that rotates cover (25) is fixed with dwang (22).
5. The internal clamping rotation device for precision steel pipe machining according to claim 1, characterized in that: the first fixing sleeve (7) is fixedly connected with the flange plate (6) through a flange bolt (8).
6. The internal clamping rotation device for precision steel pipe machining according to claim 1, characterized in that: the scissors mechanism comprises a first ear seat (10) arranged on the outer wall of the first fixed sleeve (7), and the first ear seat (10) is hinged with a first connecting rod (15) through a first pin shaft (9); a second lug seat (20) is fixed on the outer wall of the threaded sleeve (26), and a second connecting rod (14) is hinged to the second lug seat (20) through a second pin shaft (19); the middle parts of the first connecting rod (15) and the second connecting rod (14) are hinged through a third pin shaft (16), the other end of the first connecting rod (15) is in sliding fit with a sliding groove in a vertical plate (18) through a fourth pin shaft (17), and the vertical plate (18) is fixed in the middle part of the inner side wall of the steel pipe supporting plate (13); the other end of the second connecting rod (14) is hinged with the other end of the vertical plate (18) through a fifth pin shaft (12).
7. The internal clamping rotation device for precision steel pipe machining according to claim 1, characterized in that: and a positioning baffle (11) is fixed in the middle of the end head of the steel pipe support plate (13).
8. The internal clamping rotation device for precision steel pipe machining according to claim 6, wherein: the scissors mechanisms are three groups in total and are uniformly distributed outside the sleeve (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121732454.XU CN215847612U (en) | 2021-07-28 | 2021-07-28 | Internal clamping and rotating device for precision steel pipe machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121732454.XU CN215847612U (en) | 2021-07-28 | 2021-07-28 | Internal clamping and rotating device for precision steel pipe machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215847612U true CN215847612U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121732454.XU Active CN215847612U (en) | 2021-07-28 | 2021-07-28 | Internal clamping and rotating device for precision steel pipe machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215847612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359271A (en) * | 2023-10-10 | 2024-01-09 | 唐山信恒元机械设备有限公司 | Auxiliary equipment for replacing lining plate based on rod mill |
-
2021
- 2021-07-28 CN CN202121732454.XU patent/CN215847612U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359271A (en) * | 2023-10-10 | 2024-01-09 | 唐山信恒元机械设备有限公司 | Auxiliary equipment for replacing lining plate based on rod mill |
| CN117359271B (en) * | 2023-10-10 | 2024-04-26 | 唐山信恒元机械设备有限公司 | Auxiliary equipment for replacing lining plate based on rod mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Internal Clamping Rotary Device for Precision Steel Tube Machining Effective date of registration: 20230315 Granted publication date: 20220218 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YICHANG ZHONGNAN PRECISION STEEL PIPE CO.,LTD. Registration number: Y2023980035029 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220218 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YICHANG ZHONGNAN PRECISION STEEL PIPE CO.,LTD. Registration number: Y2023980035029 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Internal clamping rotary device for precision steel pipe processing Granted publication date: 20220218 Pledgee: Bank of China Limited by Share Ltd. Three Gorges Branch Pledgor: YICHANG ZHONGNAN PRECISION STEEL PIPE CO.,LTD. Registration number: Y2024980001664 |