CN107138741B - Automatic tool retracting device and method for high-speed turning conical threads - Google Patents
Automatic tool retracting device and method for high-speed turning conical threads Download PDFInfo
- Publication number
- CN107138741B CN107138741B CN201710489624.8A CN201710489624A CN107138741B CN 107138741 B CN107138741 B CN 107138741B CN 201710489624 A CN201710489624 A CN 201710489624A CN 107138741 B CN107138741 B CN 107138741B
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- CN
- China
- Prior art keywords
- tool
- holder body
- sliding
- guide
- tool holder
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/36—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes
- B23B5/46—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes for turning helical or spiral surfaces
- B23B5/48—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes for turning helical or spiral surfaces for cutting grooves, e.g. oil grooves of helicoidal shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/02—Thread cutting; Automatic machines specially designed therefor on an external or internal cylindrical or conical surface, e.g. on recesses
- B23G1/04—Machines with one working-spindle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention provides an automatic tool retracting device and a method for high-speed turning conical threads, wherein the automatic tool retracting device comprises a machine tool and a tool holder body arranged on the machine tool and used for fixing a tool, a transverse through hole used for placing the tool is formed in the tool holder body, a guide pillar is longitudinally arranged at the side of the tool holder body, the tool is arranged in the transverse through hole of the tool holder body, the rear side of the tool is fixedly connected with a sliding column which is arranged in the through hole and is in sliding fit with the tool holder body, the periphery of the sliding column is sleeved with an inner spring, the inner surface of the tool holder body facing the through hole is provided with a convex blocking edge, the rear side of the sliding column is fixedly provided with a sliding seat, one end of the inner spring acts on the other end of the blocking edge and acts on the sliding seat so that the rear side end of the sliding column is kept in contact with the guide pillar, and the guide pillar is provided with a guide inclined plane and a guide groove.
Description
Technical Field
The invention relates to an automatic tool retracting device and method for high-speed turning of conical threads.
Background
The high-speed cutting thread is a relatively advanced thread processing method for processing plastic materials, but when the thread is cut at high speed, the longitudinal feeding of the turning tool is fast, and the turning tool is required to be rapidly withdrawn from a workpiece when the turning tool runs to the tail part of the thread, so that the operation is relatively tension, and the turning tool and the workpiece are damaged by slight inadvertence.
Disclosure of Invention
The invention improves the problems, namely, the technical problem to be solved by the invention is that when threads are cut at high speed, errors are easy to occur in the process of quickly retracting a lathe tool when the lathe tool is longitudinally fed, so that the lathe tool and a workpiece are damaged.
The specific embodiments of the invention are: the utility model provides an automatic tool retracting device of high-speed turning conical screw, includes the lathe and sets up the cutter holder body that is used for fixed cutter on the lathe, has the horizontal through-hole that is used for placing the cutter in the cutter holder body, cutter holder body side vertically is provided with the guide pillar, be equipped with the cutter in the horizontal through-hole of cutter holder body, cutter rear side fixedly connected with set up in the through-hole with cutter holder body sliding fit's slip post, slip post periphery cover has the inner spring, the cutter holder body has bellied fender reason towards the internal surface of through-hole, and the slip post rear side is fixed with the sliding seat, inner spring one end acts on fender reason other end effect and sliding seat to make slip post rear side end and guide pillar keep in contact, guide slope and guiding groove have on the guide pillar.
Furthermore, the guide post is sleeved in a fixing seat, an opening for the rear end of the sliding post to pass through is formed in one side of the fixing seat, and the fixing seat is fixedly connected with the cutter holder body.
Further, a handle is arranged beside the tool holder body, the middle part of the handle is fixedly connected with the tool holder body through a bolt, and the lower part of the handle is connected with the sliding column through a through sliding pin.
Furthermore, an outer spring is sleeved outside the guide post, one end of the outer spring acts on the guide post, and the other end acts on the fixing seat.
Furthermore, an adjusting screw is arranged at the bottom of the guide post, and a stop block for matching with the adjusting screw is arranged on the machine tool.
Further, a detachably connected cutter clamping block is arranged in the cutter holder body, and the inner side surface of the cutter clamping block is attached to the cutter.
The invention also comprises an automatic tool retracting method for high-speed turning conical threads, and the automatic tool retracting device for high-speed turning conical threads comprises the following steps:
(1) The tool holder body is clamped on the lathe tool rest, the tool is arranged in the tool holder body, the handle is pulled backwards, and the sliding column moves along the guide column through the sliding pin and sequentially moves from the highest position of the guide column to the direction of the inclined surface and the direction of the guide groove;
(2) The sliding seat on the sliding column is abutted against the guide column under the action of the inner spring, at the moment, the cutter is at the idle stroke position, the guide column is limited by the stop block to stop advancing, the cutter clamping body moves continuously, the contact part enters the guide inclined plane from the highest position of the guide column under the action of the inner spring, the sliding column moves according to the inclined plane position of the workpiece thread prefabricated on the abutment column, and the cutter performs conical thread turning;
(3) The cutter is moved continuously, the sliding seat enters the guide post and the guide groove to withdraw from the cutter, and the body is moved continuously.
Compared with the prior art, the invention has the following beneficial effects: the invention has simple structure, can conveniently realize the parallel withdrawal of the conical threads of the turning tool, is reliable and flexible, and can reduce the working errors of operators and avoid the collision of the turning tool and the workpiece.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a schematic view of section A-A of FIG. 1 in accordance with the present invention.
FIG. 3 is a schematic view of the handle fixing structure of section B-B of FIG. 2 according to the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1 to 3, an automatic tool retracting device for high-speed turning of conical threads comprises a machine tool and a tool holder body 10 arranged on the machine tool and used for fixing a tool, wherein a transverse through hole 110 used for accommodating the tool is formed in the tool holder body 10, a guide post 20 is longitudinally arranged at the side of the tool holder body, the tool 100 is arranged in the transverse through hole of the tool holder body 10, a sliding post 30 which is arranged in the through hole and is in sliding fit with the tool holder body is fixedly connected with the rear side of the tool 100, in order to facilitate machining and assembly, the tool holder body 10 can be formed by splicing and fixing a plurality of parts, only a space for accommodating the tool and the sliding post 30 is needed to be arranged in the tool holder body 10 under the condition of forming the tool holder body 10, the tool 100 is clamped by utilizing a tool clamping block 120 which is detachably connected in the tool holder body in the embodiment, the tool is arranged to deviate or move under the working state, the inner side of the tool clamping block 120 can be practically different in size thickness when the tool is also favorable for replacing the tool by adopting the assembly mode, the inner side of the tool clamping block 120 is in threaded connection with the tool holder body, the tool clamping block 20 is sleeved in one side 210, and the tool clamping seat 210 is provided with a fixing seat 210, and one side of the tool clamping seat 210 is provided with an opening and the rear side of the tool clamping seat 210 is connected with the fixing seat through the fixing seat.
The periphery of the sliding column 30 is sleeved with an inner spring 310, the inner surface of the tool holder body 10 facing the through hole is provided with a convex blocking edge 130, the rear side of the sliding column 30 is fixed with a sliding seat 320, one end of the inner spring 310 acts on the blocking edge 130, the other end acts on the sliding seat 320, the rear side end of the sliding column 30 is kept in contact with the outer surface of the guide column 20 by the elasticity of the inner spring 310, the guide column 20 is provided with a guide inclined plane 201 and a guide groove 202, the guide inclined plane 201 is used for realizing axial movement of a tool under the action of the inner spring 310, and the groove 202 is used for realizing automatic tool withdrawal.
The side of the tool holder body 10 is provided with a handle 140, the middle part of the handle 140 is fixedly connected with the tool holder body 10 through a bolt 141, and the lower part of the handle 140 is connected with a sliding column through a sliding pin 142. An outer spring 220 is sleeved outside the guide post 20, one end of the outer spring acts on the guide post 20, the other end acts on the fixing seat 210, two ends of the outer spring 220 can be respectively and fixedly connected with the guide post 20 and the fixing seat 210, and the outer spring 220 can be propped against through a flange arranged at the end part of the guide post 20 in the drawing.
The bottom of the guide post 20 is provided with an adjusting screw 230, and the machine tool is provided with a stop block 40 for matching the adjusting screw.
When in use, the tool 100 is clamped on the lathe saddle, the tool holder body 10 is provided with the tool 100, the handle 140 is pulled backwards, the sliding column 30 moves along the guide column 20 through the sliding pin 142 and sequentially moves from the highest position of the guide column 20 to the direction of the inclined surface 201 and the guide groove 202, and the adjusting screw 230 at the bottom of the guide column 20 abuts against the stop block 40 under the action of the outer spring 220.
The sliding seat 320 on the sliding column 20 abuts against the guide column 20 under the action of the inner spring 310, at this time, the cutter is at the idle stroke position, the guide column is limited by the stop block 40 to stop advancing, and the cutter clamping body 10 continues to move, so that the contact part enters the guiding inclined plane 201 from the highest position of the guide column 20 under the action of the inner spring 310, and the sliding column moves at the inclined plane position on the abutment column according to the taper of the workpiece thread, so that the cutter performs conical thread turning. When the cutter is fed to a certain position, the sliding seat 320 enters the guide post and the guide groove 202 to withdraw from the cutter, and the body moves continuously.
If the invention discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (1)
1. The automatic tool retracting method for the high-speed turning conical threads is characterized by comprising a machine tool and a tool holder body arranged on the machine tool and used for fixing a tool, wherein a transverse through hole for placing the tool is formed in the tool holder body, a guide post is longitudinally arranged beside the tool holder body, the transverse through hole of the tool holder body is internally provided with the tool, the rear side of the tool is fixedly connected with a sliding column which is arranged in the through hole and is in sliding fit with the tool holder body, the periphery of the sliding column is sleeved with an inner spring, the inner surface of the tool holder body facing the through hole is provided with a raised blocking edge, the rear side of the sliding column is fixedly provided with a sliding seat, one end of the inner spring acts on the blocking edge, the other end of the inner spring acts on the sliding seat so as to keep the rear side end of the sliding column in contact with the guide post, and the guide post is provided with a guide inclined plane and a guide groove;
the guide post is sleeved in a fixed seat, one side of the fixed seat is provided with an opening for the rear end of the sliding post to pass through, and the fixed seat is fixedly connected with the cutter holder body;
the side of the tool holder body is provided with a handle, the middle part of the handle is fixedly connected with the tool holder body through a bolt, and the lower part of the handle is connected with the sliding column through a through sliding pin;
an outer spring is sleeved outside the guide post, one end of the outer spring acts on the guide post, and the other end acts on the fixing seat;
the bottom of the guide post is provided with an adjusting screw, and the machine tool is provided with a stop block for matching with the adjusting screw;
the tool holder body is internally provided with a detachably connected tool clamping block, and the inner side surface of the tool clamping block is attached to the tool;
the method comprises the following steps:
(1) The tool holder body is clamped on the lathe tool rest, the tool is arranged in the tool holder body, the handle is pulled backwards, and the sliding column moves along the guide column through the sliding pin and sequentially moves from the highest position of the guide column to the direction of the inclined surface and the direction of the guide groove;
(2) The sliding seat on the sliding column is abutted against the guide column under the action of the inner spring, at the moment, the cutter is at the idle stroke position, the guide column is limited by the stop block to stop advancing, the cutter clamping body moves continuously, the contact part enters the guide inclined plane from the highest position of the guide column under the action of the inner spring, the sliding column moves according to the inclined plane position of the workpiece thread prefabricated on the abutment column, and the cutter performs conical thread turning;
(3) The cutter is moved continuously, the sliding seat enters the guide post and the guide groove to withdraw from the cutter, and the body is moved continuously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489624.8A CN107138741B (en) | 2017-06-24 | 2017-06-24 | Automatic tool retracting device and method for high-speed turning conical threads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489624.8A CN107138741B (en) | 2017-06-24 | 2017-06-24 | Automatic tool retracting device and method for high-speed turning conical threads |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107138741A CN107138741A (en) | 2017-09-08 |
| CN107138741B true CN107138741B (en) | 2023-07-21 |
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ID=59782893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710489624.8A Active CN107138741B (en) | 2017-06-24 | 2017-06-24 | Automatic tool retracting device and method for high-speed turning conical threads |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107138741B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2465542A1 (en) * | 1979-09-25 | 1981-03-27 | Villien Bernard | Automatic tool retraction thread-cutting lathe - uses slide to free lever bolt and release retraction sprung tool spindle |
| CN202571508U (en) * | 2012-05-08 | 2012-12-05 | 中国船舶重工集团公司第七二二研究所 | Clamp capable of turning threads with high efficiency and retracting tool automatically |
| CN202639559U (en) * | 2012-04-06 | 2013-01-02 | 黑龙江科技学院 | Automatic tool retracting device for turning external threads and taper threads at high speed |
| CN206966660U (en) * | 2017-06-24 | 2018-02-06 | 福州大学 | The automatic tool retracting unit of high-speed turning tapered tread |
-
2017
- 2017-06-24 CN CN201710489624.8A patent/CN107138741B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2465542A1 (en) * | 1979-09-25 | 1981-03-27 | Villien Bernard | Automatic tool retraction thread-cutting lathe - uses slide to free lever bolt and release retraction sprung tool spindle |
| CN202639559U (en) * | 2012-04-06 | 2013-01-02 | 黑龙江科技学院 | Automatic tool retracting device for turning external threads and taper threads at high speed |
| CN202571508U (en) * | 2012-05-08 | 2012-12-05 | 中国船舶重工集团公司第七二二研究所 | Clamp capable of turning threads with high efficiency and retracting tool automatically |
| CN206966660U (en) * | 2017-06-24 | 2018-02-06 | 福州大学 | The automatic tool retracting unit of high-speed turning tapered tread |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107138741A (en) | 2017-09-08 |
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