CN113601205A - Auxiliary centering support clamp for turning end of elongated cold drawn pipe and using method - Google Patents
Auxiliary centering support clamp for turning end of elongated cold drawn pipe and using method Download PDFInfo
- Publication number
- CN113601205A CN113601205A CN202110795975.8A CN202110795975A CN113601205A CN 113601205 A CN113601205 A CN 113601205A CN 202110795975 A CN202110795975 A CN 202110795975A CN 113601205 A CN113601205 A CN 113601205A
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- Prior art keywords
- cold drawn
- drawn pipe
- rotating
- driving
- turning
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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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses an auxiliary centering support clamp for turning the end of a slender cold drawn pipe and a use method thereof.A vertical plate is fixed at the top of a base, a central hole is processed at the central part of the vertical plate, a central sleeve is rotatably arranged in the central hole, a rotating disc is fixedly arranged on the central sleeve, and a circular ring is fixedly arranged on the outer wall of the rotating disc through a plurality of uniformly distributed connecting blocks; a plurality of first connecting columns are uniformly distributed and fixed on the vertical plate and positioned on the periphery of the rotating disc, each first connecting column is hinged with a rotating arm through a first pin shaft, and a sliding sleeve mechanism for driving the rotating arm to rotate around the first pin shaft is arranged between the rotating arm and the circular ring; the tail end of the rotating arm is provided with a supporting wheel structure; and a rotating mechanism for driving the rotating disc to rotate is arranged at the top of the vertical plate. The end of the long cold-drawn pipe is supported in a centering way, so that the supporting rigidity of the end is ensured, and the normal turning processing of the end is ensured.
Description
Technical Field
The invention belongs to the field of cold drawn pipe machining equipment, and particularly relates to an auxiliary centering support clamp for turning an end of a slender cold drawn pipe and a using method of the auxiliary centering support clamp.
Background
In the cold drawn pipe machining process, a threaded connection section for installing a puller needs to be machined at the end part of a raw material pipe through turning, and due to the fact that the length of the raw material pipe is long, in the end turning process, supporting rigidity is insufficient, end deflection is large in the rotating process, and therefore end turning is inconvenient, and end machining accuracy cannot be guaranteed.
Disclosure of Invention
The invention aims to provide an auxiliary centering support clamp for turning the end of a long and thin cold drawn pipe and a using method thereof.
In order to achieve the technical features, the invention is realized as follows: the auxiliary centering support clamp for turning the end of the elongated cold drawn pipe comprises a base, wherein a vertical plate is fixed at the top of the base, a central hole is formed in the central part of the vertical plate, a central sleeve is rotatably installed in the central hole, a rotating disc is fixedly installed on the central sleeve, and a circular ring is fixedly installed on the outer wall of the rotating disc through a plurality of uniformly distributed connecting blocks; a plurality of first connecting columns are uniformly distributed and fixed on the vertical plate and positioned on the periphery of the rotating disc, each first connecting column is hinged with a rotating arm through a first pin shaft, and a sliding sleeve mechanism for driving the rotating arm to rotate around the first pin shaft is arranged between the rotating arm and the circular ring; the tail end of the rotating arm is provided with a supporting wheel structure; and a rotating mechanism for driving the rotating disc to rotate is arranged at the top of the vertical plate.
Spiral holes are symmetrically processed on the base.
The quantity of connecting block is three groups, forms the holding tank in the position between adjacent connecting block.
The sliding sleeve mechanism comprises a rectangular sliding sleeve sleeved outside the rotating arm, the rectangular sliding sleeve is hinged and connected with the circular ring through a second pin shaft, and the rectangular sliding sleeve is located between the rotating disc and the circular ring.
The supporting wheel structure comprises a roller support arranged at the tail end of the rotating arm, supporting rollers are mounted on the roller support through rotating shafts, and the supporting rollers are in contact with the outer wall of the cold drawn pipe to be processed.
The first connecting column and the rotating arm are provided with three groups which are uniformly distributed on the periphery of the rotating disc.
The rotating mechanism comprises a second connecting column fixed on the upper portion of the vertical plate, a screw rod mounting seat is hinged to the second connecting column, a screw rod is rotatably mounted inside the screw rod mounting seat, the screw rod and a threaded hole inside the rectangular block form threaded transmission fit, the rectangular block is hinged to a lug, and the lug is arranged on the outer wall of the edge of the rotating disc.
The end part of the screw rod is provided with a square connecting column for driving the screw rod to rotate.
The use method of the auxiliary centering support clamp for turning the end of the elongated cold drawn pipe comprises the following steps:
the method comprises the following steps that firstly, the clamp is fixedly arranged on a workbench of a turning machine tool through a bottom plate and is close to one end of a cutter;
step two, the cold drawn pipe to be processed passes through the central sleeve, and the other end of the cold drawn pipe is clamped on a rotary main shaft of a lathe;
rotating the square connecting column, driving the screw rod through the square connecting column, driving the rectangular block matched with the screw rod through the screw rod, further driving the rectangular block, driving the lug through the rectangular block, and driving the rotating disc through the lug;
driving the circular ring to rotate by rotating the rotating disc;
step five, synchronously driving a plurality of groups of rectangular sliding sleeves to rotate through the circular rings, synchronously driving a rotating arm matched with the rectangular sliding sleeves by the rectangular sliding sleeves, and rotating the rotating arm around a first pin shaft;
in the rotating process of the rotating arm, the supporting wheel structure at the tail end of the rotating arm is driven to rotate to the central part of the central sleeve, and the cold drawn pipe is clamped through the supporting idler wheels, so that the axis of the cold drawn pipe is exactly positioned at the center of the central sleeve, and the centering of the cold drawn pipe is realized;
step seven, starting a rotary main shaft of the turning equipment, driving the cold drawn pipe to rotate through the rotary main shaft, and turning the end of the cold drawn pipe which is stably supported through a cutter;
and step eight, after the end of the cold drawn pipe is machined, loosening the support wheel structure, further loosening the cold drawn pipe, and taking down the machined cold drawn pipe.
The invention has the following beneficial effects:
1. the centering support clamp is arranged on turning equipment and is close to one end of a cutter, so that the end of the long cold drawn pipe is centered and supported, the support rigidity of the end is ensured, and normal turning processing on the end is ensured subsequently.
2. Through the spiral hole, the whole base can be fixedly arranged on a turning machine tool through the fixing bolt.
3. Through foretell sliding sleeve mechanism can guarantee that the rolling disc rotates the in-process and drives a plurality of rotor arms synchronous rotation in step.
4. Can be used for contacting the cooperation through the supporting wheel structure with the lateral wall of cold drawn pipe, and then support it to guarantee its rotation that can be stable.
5. Through adopting three groups of rotor arms can carry out stable support through supporting wheel structure to the cold drawn pipe, guaranteed its centering.
6. The rotating mechanism can be used for driving the rotating disc to rotate, so that rotating power of the rotating arm is provided, the supporting wheel structure is driven to synchronously rotate through the rotating arm, and centering is achieved.
7. The square connecting column can be used for driving the screw to rotate, and then the screw drives the rectangular block matched with the screw to rotate.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a view showing the state of the support jig of the present invention when releasing a cold drawn pipe.
FIG. 2 is a view showing the state of the supporting jig of the present invention when clamping a cold drawn pipe.
In the figure: spiral hole 1, base 2, first spliced pole 3, first round pin axle 4, rotor arm 5, second round pin axle 6, rectangle sliding sleeve 7, cold drawn pipe 8, pivot 9, supporting roller 11, holding tank 12, connecting block 14, central sleeve 15, rolling disc 16, rectangle piece 17, lug 18, screw rod 19, second spliced pole 20, square spliced pole 21, screw rod mount pad 22, riser 23.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
as shown in fig. 1-2, the auxiliary centering support fixture for turning the end of the elongated cold drawn pipe comprises a base 2, wherein a vertical plate 23 is fixed on the top of the base 2, a central hole is machined in the central part of the vertical plate 23, a central sleeve 15 is rotatably installed in the central hole, a rotating disc 16 is fixedly installed on the central sleeve 15, and a circular ring 13 is fixedly installed on the outer wall of the rotating disc 16 through a plurality of uniformly distributed connecting blocks 14; a plurality of first connecting columns 3 are uniformly distributed and fixed on the vertical plate 23 and positioned on the periphery of the rotating disc 16, each first connecting column 3 is hinged with a rotating arm 5 through a first pin shaft 4, and a sliding sleeve mechanism for driving the rotating arm 5 to rotate around the first pin shaft 4 is arranged between the rotating arm 5 and the circular ring 13; the tail end of the rotating arm 5 is provided with a supporting wheel structure; the top of the vertical plate 23 is provided with a rotating mechanism for driving the rotating disc 16 to rotate. The centering support clamp is arranged on turning equipment and is close to one end of a cutter, so that the end of the long cold drawn pipe is centered and supported, the support rigidity of the end is ensured, and normal turning processing on the end is ensured subsequently. In the specific use process, the rotating disc 16 can be driven to rotate through the rotating mechanism, the sliding sleeve mechanism is driven through the rotating disc 16, the rotating arm 5 is driven to synchronously rotate through the sliding sleeve mechanism, and then the cold drawn pipe 8 is centered and clamped through the supporting wheel structure.
Further, the base 2 is symmetrically provided with spiral holes 1. The whole base 2 can be fixedly arranged on a turning machine tool through the spiral hole 1 through a fixing bolt.
Further, the number of the connecting blocks 14 is three, and the receiving grooves 12 are formed at positions between the adjacent connecting blocks 14. The receiving groove 12 described above can be used to receive the swivel arm 5 and the support wheel structure.
Further, the sliding sleeve mechanism comprises a rectangular sliding sleeve 7 sleeved outside the rotating arm 5, the rectangular sliding sleeve 7 is hinged to the circular ring 13 through a second pin shaft 6, and the rectangular sliding sleeve 7 is located between the rotating disc 16 and the circular ring 13. The sliding sleeve mechanism can ensure that the rotating disc 16 synchronously drives the plurality of rotating arms 5 to synchronously rotate in the rotating process. In the working process, the rotating disc 16 drives the circular ring 13, the circular ring 13 drives the rectangular sliding sleeve 7 to rotate, and the rectangular sliding sleeve 7 drives the rotating arm 5.
Further, the supporting wheel structure comprises a roller support 10 arranged at the tail end of the rotating arm 5, a supporting roller 11 is installed on the roller support 10 through a rotating shaft 9, and the supporting roller 11 is in contact with the outer wall of the cold drawn pipe 8 to be processed. Can be used for contacting the cooperation through the supporting wheel structure with the lateral wall of cold drawn pipe 8, and then support it to guarantee its rotation that can be stable.
Furthermore, the first connecting columns 3 and the rotating arms 5 are provided with three groups, and are uniformly distributed on the periphery of the rotating disc 16. Through adopting three groups of rotor arms 5 can carry out stable support through supporting wheel structure to cold drawn pipe 8, guaranteed its centering.
Further, the rotating mechanism comprises a second connecting column 20 fixed on the upper portion of the vertical plate 23, a screw rod mounting seat 22 is hinged to the second connecting column 20, a screw rod 19 is rotatably mounted inside the screw rod mounting seat 22, the screw rod 19 and a threaded hole inside the rectangular block 17 form threaded transmission fit, the rectangular block 17 is hinged to a lug 18, and the lug 18 is arranged on the outer wall of the edge of the rotating disc 16. The rotating mechanism can be used for driving the rotating disc 16 to rotate, so that the rotating power of the rotating arm 5 is provided, and then the rotating arm 5 drives the supporting wheel structure to synchronously rotate and realize centering.
Furthermore, a square connecting column 21 for driving the screw rod 19 to rotate is arranged at the end of the screw rod 19. The square connecting column 21 can be used for driving the screw rod 19 to rotate, and then the screw rod 19 drives the rectangular block 17 matched with the screw rod to rotate.
Example 2:
the use method of the auxiliary centering support clamp for turning the end of the elongated cold drawn pipe comprises the following steps:
the fixture is fixedly arranged on a workbench of a turning machine tool through a bottom plate 2 and is close to one end of a cutter;
step two, the cold drawn pipe 8 to be processed passes through the central sleeve 15, and then the other end of the cold drawn pipe 8 is clamped on a rotary main shaft of a lathe;
step three, rotating the square connecting column 21, driving the screw rod 19 through the square connecting column 21, driving the rectangular block 17 matched with the screw rod 19 through the screw rod 19, further driving the rectangular block 17, driving the lug 18 through the rectangular block 17, and driving the rotating disc 16 through the lug 18;
step four, the rotating disc 16 rotates to drive the circular ring 13 to rotate;
step five, synchronously driving a plurality of groups of rectangular sliding sleeves 7 to rotate through the circular rings 13, wherein the rectangular sliding sleeves 7 synchronously drive the rotating arms 5 matched with the rectangular sliding sleeves, and the rotating arms 5 rotate around the first pin shafts 4;
step six, in the rotating process of the rotating arm 5, the supporting wheel structure at the tail end of the rotating arm is driven to rotate towards the central part of the central sleeve 15, and then the cold drawn pipe 8 is clamped through the supporting roller 11, so that the axis of the cold drawn pipe 8 is exactly positioned at the center of the central sleeve 15, and the centering of the cold drawn pipe 8 is realized;
step seven, starting a rotary main shaft of the turning equipment, driving the cold drawn pipe 8 to rotate through the rotary main shaft, and turning the end of the cold drawn pipe 8 which is stably supported through a cutter;
and step eight, after the end of the cold drawn pipe 8 is machined, loosening the support wheel structure, further loosening the cold drawn pipe 8, and taking down the machined cold drawn pipe 8.
The working process and principle of the invention are as follows:
by adopting the centering support fixture, three groups of uniformly distributed rectangular sliding sleeves 7 can be synchronously driven to rotate through the rotation of the rotating disc 16, corresponding rotating arms 5 are driven to synchronously rotate through the rectangular sliding sleeves 7, the supporting wheel structure is driven to rotate through the rotating arms 5, and the centering support is realized through the contact of the supporting rollers 11 of the supporting wheel structure and the outer wall of the cold drawn pipe 8.
Claims (9)
1. Supplementary centering support fixture of lathing of long and thin cold drawn pipe end, its characterized in that: the device comprises a base (2), wherein a vertical plate (23) is fixed at the top of the base (2), a central hole is processed in the central part of the vertical plate (23), a central sleeve (15) is rotatably installed in the central hole, a rotating disc (16) is fixedly installed on the central sleeve (15), and a circular ring (13) is fixedly installed on the outer wall of the rotating disc (16) through a plurality of uniformly distributed connecting blocks (14); a plurality of first connecting columns (3) are uniformly distributed and fixed on the vertical plate (23) and positioned on the periphery of the rotating disc (16), each first connecting column (3) is hinged with a rotating arm (5) through a first pin shaft (4), and a sliding sleeve mechanism for driving the rotating arms (5) to rotate around the first pin shafts (4) is arranged between the rotating arms (5) and the circular ring (13); the tail end of the rotating arm (5) is provided with a supporting wheel structure; the top of the vertical plate (23) is provided with a rotating mechanism for driving the rotating disc (16) to rotate.
2. The auxiliary centering support clamp for turning the end of the elongated cold drawn pipe as claimed in claim 1, wherein: the base (2) is symmetrically provided with spiral holes (1).
3. The auxiliary centering support clamp for turning the end of the elongated cold drawn pipe as claimed in claim 1, wherein: the number of the connecting blocks (14) is three, and a containing groove (12) is formed at a position between the adjacent connecting blocks (14).
4. The auxiliary centering support clamp for turning the end of the elongated cold drawn pipe as claimed in claim 1, wherein: the sliding sleeve mechanism comprises a rectangular sliding sleeve (7) sleeved outside the rotating arm (5), the rectangular sliding sleeve (7) is hinged to the circular ring (13) through a second pin shaft (6), and the rectangular sliding sleeve (7) is located between the rotating disc (16) and the circular ring (13).
5. The auxiliary centering support clamp for turning the end of the elongated cold drawn pipe as claimed in claim 1, wherein: the supporting wheel structure comprises a roller support (10) arranged at the tail end of the rotating arm (5), a supporting roller (11) is installed on the roller support (10) through a rotating shaft (9), and the supporting roller (11) is in contact with the outer wall of the cold drawn pipe (8) to be processed.
6. The auxiliary centering support clamp for turning the end of the elongated cold drawn pipe as claimed in claim 1, wherein: the first connecting columns (3) and the rotating arms (5) are provided with three groups which are uniformly distributed on the periphery of the rotating disc (16).
7. The auxiliary centering support clamp for turning the end of the elongated cold drawn pipe as claimed in claim 1, wherein: the rotating mechanism comprises a second connecting column (20) fixed to the upper portion of a vertical plate (23), a screw rod mounting seat (22) is hinged to the second connecting column (20), a screw rod (19) is rotatably mounted inside the screw rod mounting seat (22), the screw rod (19) and a threaded hole inside a rectangular block (17) form threaded transmission fit, the rectangular block (17) is hinged to a lug (18), and the lug (18) is arranged on the outer wall of the edge of a rotating disc (16).
8. The auxiliary centering support clamp for turning the end of the elongated cold drawn pipe as claimed in claim 7, wherein: the end part of the screw rod (19) is provided with a square connecting column (21) for driving the screw rod to rotate.
9. The use method of the auxiliary centering support clamp for turning the end of the elongated cold drawn pipe as claimed in any one of claims 1 to 8, is characterized by comprising the following steps:
the fixture is fixedly arranged on a workbench of a turning machine tool through a bottom plate (2) and is close to one end of a cutter;
step two, the cold drawn pipe (8) to be processed passes through the central sleeve (15), and the other end of the cold drawn pipe (8) is clamped on a rotary main shaft of a lathe;
rotating the square connecting column (21), driving the screw rod (19) through the square connecting column (21), driving the rectangular block (17) matched with the screw rod (19) through the screw rod (19), further driving the rectangular block (17), driving the lug (18) through the rectangular block (17), and driving the rotating disc (16) through the lug (18);
fourthly, the rotating disc (16) rotates to drive the circular ring (13) to rotate;
step five, synchronously driving a plurality of groups of rectangular sliding sleeves (7) to rotate through a circular ring (13), synchronously driving a rotating arm (5) matched with the rectangular sliding sleeves (7), and rotating the rotating arm (5) around a first pin shaft (4);
sixthly, in the rotating process of the rotating arm (5), the supporting wheel structure at the tail end of the rotating arm is driven to rotate towards the central position of the central sleeve (15), and the cold drawn pipe (8) is clamped through the supporting roller (11), so that the axis of the cold drawn pipe (8) is exactly positioned at the center of the central sleeve (15), and the cold drawn pipe (8) is centered;
step seven, starting a rotary main shaft of the turning equipment, driving the cold drawn pipe (8) to rotate through the rotary main shaft, and turning the end of the cold drawn pipe (8) which is stably supported through a cutter;
and step eight, after the end of the cold drawn pipe (8) is machined, loosening the support wheel structure, further loosening the cold drawn pipe (8), and taking down the machined cold drawn pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110795975.8A CN113601205A (en) | 2021-07-14 | 2021-07-14 | Auxiliary centering support clamp for turning end of elongated cold drawn pipe and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110795975.8A CN113601205A (en) | 2021-07-14 | 2021-07-14 | Auxiliary centering support clamp for turning end of elongated cold drawn pipe and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113601205A true CN113601205A (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110795975.8A Pending CN113601205A (en) | 2021-07-14 | 2021-07-14 | Auxiliary centering support clamp for turning end of elongated cold drawn pipe and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113601205A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654364A (en) * | 2022-04-09 | 2022-06-24 | 济南天盟新材料科技有限公司 | Rust removal device for thermal spraying machining roll shaft and use method |
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| CN114654364B (en) * | 2022-04-09 | 2023-10-10 | 济南天盟新材料科技有限公司 | Rust removal device for thermal spraying machining roller shaft and use method |
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| PB01 | Publication | ||
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Application publication date: 20211105 |