CN113369599B - Thread turning device - Google Patents
Thread turning device Download PDFInfo
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- CN113369599B CN113369599B CN202110922618.3A CN202110922618A CN113369599B CN 113369599 B CN113369599 B CN 113369599B CN 202110922618 A CN202110922618 A CN 202110922618A CN 113369599 B CN113369599 B CN 113369599B
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- Prior art keywords
- seat
- positioning seat
- sliding
- cutter
- fixedly connected
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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
-
- 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
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- 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
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
- B23G1/46—Equipment or accessories specially designed for machines or devices for thread cutting for holding the threading tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention is suitable for the field of turning devices, and provides a thread turning device, which comprises a workbench and also comprises: the fixing mechanism is used for fixedly clamping a workpiece; the moving mechanism is used for driving the cutter to horizontally move; the positioning mechanism comprises a positioning seat, the positioning seat is fixedly connected with the moving mechanism, a clamping mechanism which clamps and fixes the cutter together with the positioning seat in a horizontal movement mode and a limiting mechanism which is in transmission connection with the clamping mechanism are arranged in the positioning seat, the limiting mechanism is driven by the clamping mechanism to tightly abut and fix the cutter in a synchronous linear movement mode, and the limiting mechanism can provide reverse elastic thrust when the cutter moves horizontally; according to the thread turning device, the clamping mechanism and the positioning seat clamp and fix the cutter together in a horizontal movement mode, and meanwhile, the limiting mechanism drives the cutter to move in a synchronous linear motion mode to abut and fix the cutter.
Description
Technical Field
The invention belongs to the field of turning devices, and particularly relates to a thread turning device.
Background
The thread turning refers to a thread machining process, specifically, a workpiece rotates one time, a turning tool moves one lead along the axis of the workpiece, and the movement track of a cutting edge forms the thread machining process of the thread surface of the workpiece.
The existing thread turning device usually adopts a manual bolt to position a cutter, and the bolt is easy to loosen due to mechanical vibration in the machining process, so that the fixing effect is poor, and the cutter is easy to displace in the cutting process to cause poor cutting precision. To avoid the above technical problems, it is necessary to provide a thread turning device to overcome the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The invention aims to provide a thread turning device, and aims to solve the problem that the existing thread turning device is poor in fixing effect due to the fact that a bolt is easy to loosen due to mechanical vibration in the machining process when the tool is positioned by manually screwing the bolt.
The invention is realized in this way, a thread turning device, comprising a worktable, further comprising:
the fixing mechanism is fixedly connected with the workbench and is used for fixedly clamping a workpiece;
the moving mechanism is fixedly connected with the workbench and is used for driving the cutter to horizontally move;
the positioning mechanism comprises a positioning seat, the positioning seat is fixedly connected with the moving mechanism, a clamping mechanism which is used for clamping and fixing the cutter together with the positioning seat in a horizontal movement mode and a limiting mechanism which is in transmission connection with the clamping mechanism are arranged in the positioning seat, the limiting mechanism is used for abutting and fixing the cutter in a synchronous linear movement mode through the driving of the clamping mechanism, and the limiting mechanism can provide reverse elastic thrust when the cutter moves horizontally.
Further technical solution, the clamping mechanism includes:
the clamp assembly clamps and fixes the cutter by sliding relative to the positioning seat; and the number of the first and second groups,
and the driving assembly drives the clamp assembly and the positioning seat to relatively slide, and is in transmission connection with the limiting mechanism.
According to a further technical scheme, the driving assembly comprises a worm, the worm is rotatably connected with the inner end face of the positioning seat, the inner end face of the positioning seat is rotatably connected with a worm gear sleeve, the worm is in meshing transmission with the worm gear sleeve, and the clamp assembly is in transmission connection with the worm gear sleeve.
According to a further technical scheme, the clamp assembly comprises a clamping seat, a connecting rod is fixedly connected with the clamping seat, the connecting rod is in sliding connection with the right end face of the positioning seat, and the connecting rod is in threaded connection with the worm gear sleeve.
According to the technical scheme, the limiting mechanism comprises a limiting seat, a sliding piece is fixedly connected to the limiting seat, the sliding piece is connected with the inner end face of the positioning seat in a sliding mode, a rack plate is fixedly connected to the lower end face of the sliding piece, a gear ring is sleeved on the outer surface of the worm gear sleeve, the rack plate is in meshing transmission with the gear ring, and an elastic assembly is connected between the sliding piece and the positioning seat.
According to a further technical scheme, the elastic assembly comprises a guide rod, one end of the guide rod is fixedly connected with the sliding piece, the other end of the guide rod is fixedly connected with a boss, and the elastic piece is connected between the boss and the inner end face of the positioning seat.
Further technical scheme, moving mechanism includes first sliding seat, the up end sliding connection of first sliding seat and workstation, the preceding terminal surface of workstation rotates and is connected with first transfer line, first transfer line and first sliding seat threaded connection, the up end of first sliding seat is provided with the feed adjusting part of adjusting the cutter depth of cut.
According to a further technical scheme, the feed adjusting assembly comprises a second sliding seat, the second sliding seat is connected with the first sliding seat in a sliding mode, a second transmission rod is connected to the front end face of the first sliding seat in a rotating mode, the second transmission rod is connected with the second sliding seat in a threaded mode, and the positioning seat is fixedly connected with the second sliding seat.
According to a further technical scheme, the fixing mechanism is a three-jaw chuck.
Compared with the prior art, the invention has the following beneficial effects:
according to the thread turning device provided by the invention, a workpiece is fixedly clamped through the fixing mechanism, the cutter is placed in the positioning seat, the clamping mechanism and the positioning seat jointly clamp and fix the cutter in a horizontal movement mode, and the limiting mechanism is driven by the clamping mechanism to tightly support and fix the cutter in a synchronous linear movement mode.
Drawings
FIG. 1 is a schematic view of a thread turning apparatus according to the present invention;
FIG. 2 is an enlarged schematic view of region A in FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 4 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 5 is a three-dimensional schematic view of a positioning mechanism of the present invention.
In the drawings: the device comprises a workbench 1, a positioning seat 2, a worm 3, a worm gear sleeve 4, a clamping seat 5, a connecting rod 6, a limiting seat 7, a sliding part 8, a rack plate 9, a gear ring 10, a guide rod 11, a boss 12, an elastic part 13, a first sliding seat 14, a first transmission rod 15, a second sliding seat 16, a second transmission rod 17, a fixing mechanism 18, a moving mechanism 19, a positioning mechanism 20, a clamping mechanism 21, a limiting mechanism 22, a clamp assembly 23, a driving assembly 24, an elastic assembly 25 and a feed adjusting assembly 26.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1 to 3, the thread turning apparatus provided by the present invention includes a table 1, and further includes:
the fixing mechanism 18 is fixedly connected with the workbench 1, and the fixing mechanism 18 is used for fixedly clamping a workpiece;
the moving mechanism 19 is fixedly connected with the workbench 1, and the moving mechanism 19 is used for driving the cutter to horizontally move;
This screw thread turning device fixes the centre gripping through fixed establishment 18 with the work piece, place the cutter in positioning seat 2, fixture 21 carries out the centre gripping with positioning seat 2 jointly to the cutter through horizontal motion's mode and fixes, stop gear 22 supports tightly fixedly through fixture 21's drive adoption synchronous linear motion's mode to the cutter simultaneously, easy operation and fixed firm not only, stop gear 22 can provide reverse elastic thrust when cutter horizontal motion thereby avoid fixture 21 and stop gear 22 to take place to become flexible because of vibrations in cutting process.
In the embodiment of the present invention, as shown in fig. 3, as a preferred embodiment of the present invention, the clamping mechanism 21 includes:
a clamp assembly 23 for clamping and fixing the tool by sliding relative to the positioning seat 2; and the number of the first and second groups,
and the driving component 24 drives the clamp component 23 and the positioning seat 2 to relatively slide, and the driving component 24 is in transmission connection with the limiting mechanism 22.
In an embodiment of the present invention, the driving assembly 24 includes a transmission shaft rotatably connected to an inner end surface of the positioning seat 2, the inner end surface of the positioning seat 2 is rotatably connected to a sleeve, a bevel gear transmission pair is drivingly connected between the transmission shaft and the sleeve, and the clamp assembly 23 is drivingly connected to the sleeve; the transmission shaft drives the sleeve to rotate through the bevel gear transmission pair, and then the sleeve drives the clamp assembly 23 and the positioning seat 2 to slide relatively. As shown in fig. 3-5, as a preferred embodiment of the present invention, the driving assembly 24 includes a worm 3, the worm 3 is rotatably connected to the inner end surface of the positioning seat 2, the inner end surface of the positioning seat 2 is rotatably connected to a worm gear sleeve 4, the worm 3 is in meshing transmission with the worm gear sleeve 4, and the clamp assembly 23 is in transmission connection with the worm gear sleeve 4; the worm 3 is rotated by hand, the worm 3 is in meshing transmission with the worm wheel sleeve 4, then the worm 3 drives the worm wheel sleeve 4 to rotate, the worm wheel sleeve 4 drives the clamp assembly 23 to slide relative to the positioning seat 2, and therefore the tool is clamped and fixed.
In an embodiment of the present invention, the clamping assembly 23 includes a clamping seat 5, the clamping seat 5 is fixedly connected with a connecting rod 6, the connecting rod 6 is slidably connected with the right end face of the positioning seat 2, and a movable rod is movably connected between the connecting rod 6 and the worm gear sleeve 4; the worm 3 drives the worm wheel sleeve 4 to rotate, then the worm wheel sleeve 4 pulls the connecting rod 6 and the positioning seat 2 to slide relatively through the movable rod, and then the connecting rod 6 drives the clamping seat 5 to move relative to the positioning seat 2, thereby clamping and fixing the cutter. As shown in fig. 3, as a preferred embodiment of the present invention, the clamping assembly 23 includes a clamping seat 5, the clamping seat 5 is fixedly connected with a connecting rod 6, the connecting rod 6 is slidably connected with the right end face of the positioning seat 2, and the connecting rod 6 is in threaded connection with the worm gear sleeve 4; the connecting rod 6 is in threaded connection with the worm gear sleeve 4, the worm 3 drives the worm gear sleeve 4 to rotate, the worm gear sleeve 4 drives the connecting rod 6 to slide relative to the positioning seat 2, the connecting rod 6 drives the clamping seat 5 to move relative to the positioning seat 2, and therefore the cutter is clamped and fixed, and displacement looseness of the clamping seat 5 caused by vibration in the fixing process can be effectively avoided through meshing of the worm 3 and the worm gear sleeve 4 and threaded matching of the worm gear sleeve 4 and the connecting rod 6.
The limiting mechanism 22 comprises a limiting seat 7, a sliding part 8 is fixedly connected to the limiting seat 7, the sliding part 8 is slidably connected with the inner end face of the positioning seat 2, a rack plate 9 is fixedly connected to the lower end face of the sliding part 8, a gear ring 10 is sleeved on the outer surface of the worm gear sleeve 4, the rack plate 9 is in meshing transmission with the gear ring 10, and an elastic component 25 is connected between the sliding part 8 and the positioning seat 2; the rack plate 9 is in meshing transmission with the gear ring 10, and then the sliding part 8 is driven to slide relatively to the inner end face of the positioning seat 2 through the meshing of the rack plate 9 and the gear ring 10 when the worm wheel sleeve 4 rotates, and then the sliding part 8 drives the limiting seat 7 to move relatively to the positioning seat 2, so that one end of a workpiece is abutted and fixed tightly.
In the embodiment of the present invention, as shown in fig. 1 and fig. 4, as a preferred embodiment of the present invention, the elastic component 25 includes a guide rod 11, one end of the guide rod 11 is fixedly connected with the sliding component 8, the other end of the guide rod 11 is fixedly connected with a boss 12, and an elastic component 13 is connected between the boss 12 and the inner end surface of the positioning seat 2; as a preferred embodiment of the present invention, the elastic element 13 may be an elastic telescopic sleeve or a spring, and the elastic element 13 is a spring, and the pre-tightening force between the sliding element 8 and the positioning seat 2 is increased by the spring, so as to increase the stability of fixing the clamping mechanism 21, the limiting mechanism 22 and the positioning seat 2.
In an embodiment of the present invention, the moving mechanism 19 includes a first sliding seat 14, the first sliding seat 14 is connected to the workbench in a sliding manner, the first sliding seat 14 is disposed on one side of the fixing mechanism 18, an electric telescopic rod is connected between the first sliding seat 14 and the workbench 1, a feed adjusting assembly 26 for adjusting a cutting depth of a tool is disposed on an upper end surface of the first sliding seat 14, and the electric telescopic rod drives the first sliding seat 14 to slide relative to the workbench 1; as shown in fig. 1, as a preferred embodiment of the present invention, the moving mechanism 19 includes a first sliding seat 14, the first sliding seat 14 is slidably connected to an upper end surface of the workbench 1, a first transmission rod 15 is rotatably connected to a front end surface of the workbench 1, the first transmission rod 15 is in threaded connection with the first sliding seat 14, and a feed adjusting assembly 26 for adjusting a cutting depth of a tool is disposed on the upper end surface of the first sliding seat 14; the first transmission rod 15 is rotated by hand, the first transmission rod 15 drives the first sliding seat 14 to slide relative to the workbench 1, so that the displacement of the cutter is realized, and the cutting depth of the cutter is adjusted through the feed adjusting assembly 26.
In the embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, the feed adjusting assembly 26 includes a second sliding seat 16, the second sliding seat 16 is slidably connected to the first sliding seat 14, a second transmission rod 17 is rotatably connected to a front end surface of the first sliding seat 14, the second transmission rod 17 is in threaded connection with the second sliding seat 16, and the positioning seat 2 is fixedly connected to the second sliding seat 16; the second transmission rod 17 is rotated by hand, and the second transmission rod 17 drives the second sliding seat 16 to slide relative to the workbench 1, so that the cutting depth of the cutter is adjusted.
In the embodiment of the present invention, as shown in fig. 1, as a preferred embodiment of the present invention, the fixing mechanism 18 is a three-jaw chuck; and clamping and fixing the workpiece through the three-jaw chuck.
According to the thread turning device, a workpiece is fixedly clamped through the fixing mechanism 18, a cutter is placed in the positioning seat 2, the clamping mechanism 21 and the positioning seat 2 jointly clamp and fix the cutter in a horizontal movement mode, meanwhile, the limiting mechanism 22 is driven by the clamping mechanism 21 to tightly abut and fix the cutter in a synchronous linear movement mode, operation is simple and fixing is firm, and the limiting mechanism 22 can provide reverse elastic thrust when the cutter moves horizontally so as to prevent the clamping mechanism 21 and the limiting mechanism 22 from being loosened due to vibration in the cutting process; the worm 3 is rotated by hand, the worm 3 is meshed with the worm wheel sleeve 4 for transmission, then the worm 3 drives the worm wheel sleeve 4 to rotate, and the worm wheel sleeve 4 drives the clamp assembly 23 to slide relative to the positioning seat 2, so that the tool is clamped and fixed; the worm wheel sleeve 4 drives the connecting rod 6 to slide relative to the positioning seat 2, and then the connecting rod 6 drives the clamping seat 5 to move relative to the positioning seat 2, so that the cutter is clamped and fixed, and the clamping seat 5 can be effectively prevented from moving and loosening due to vibration in the fixing process through the meshing of the worm 3 and the worm wheel sleeve 4 and the threaded matching of the worm wheel sleeve 4 and the connecting rod 6.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. The utility model provides a thread turning device, includes the workstation, its characterized in that still includes:
the fixing mechanism is fixedly connected with the workbench and is used for fixedly clamping a workpiece;
the moving mechanism is fixedly connected with the workbench and is used for driving the cutter to horizontally move;
the positioning mechanism comprises a positioning seat, the positioning seat is fixedly connected with the moving mechanism, a clamping mechanism which clamps and fixes the cutter together with the positioning seat in a horizontal movement mode and a limiting mechanism which is in transmission connection with the clamping mechanism are arranged in the positioning seat, the limiting mechanism is driven by the clamping mechanism to tightly abut and fix the cutter in a synchronous linear movement mode, and the limiting mechanism can provide reverse elastic thrust when the cutter moves horizontally;
the fixture includes:
the clamp assembly clamps and fixes the cutter by sliding relative to the positioning seat; and the number of the first and second groups,
the driving assembly drives the clamp assembly and the positioning seat to relatively slide, and is in transmission connection with the limiting mechanism;
the driving assembly comprises a worm, the worm is rotationally connected with the inner end face of the positioning seat, the inner end face of the positioning seat is rotationally connected with a worm gear sleeve, the worm is in meshing transmission with the worm gear sleeve, and the clamp assembly is in transmission connection with the worm gear sleeve;
the clamp assembly comprises a clamp seat, a connecting rod is fixedly connected with the clamp seat, the connecting rod is in sliding connection with the right end face of the positioning seat, and the connecting rod is in threaded connection with the worm gear sleeve;
the limiting mechanism comprises a limiting seat, a sliding piece is fixedly connected with the limiting seat, the sliding piece is in sliding connection with the inner end face of the positioning seat, a rack plate is fixedly connected with the lower end face of the sliding piece, a gear ring is sleeved on the outer surface of the worm gear sleeve, the rack plate is in meshing transmission with the gear ring, and an elastic assembly is connected between the sliding piece and the positioning seat.
2. The thread turning device of claim 1, wherein the elastic assembly comprises a guide rod, one end of the guide rod is fixedly connected with the sliding member, the other end of the guide rod is fixedly connected with a boss, and the elastic member is connected between the boss and the inner end surface of the positioning seat.
3. The thread turning device according to claim 1, wherein the moving mechanism comprises a first sliding seat, the first sliding seat is slidably connected with the upper end surface of the workbench, a first transmission rod is rotatably connected with the front end surface of the workbench, the first transmission rod is in threaded connection with the first sliding seat, and the upper end surface of the first sliding seat is provided with a feed adjusting assembly for adjusting the cutting depth of the tool.
4. The thread turning device of claim 3, wherein the feed adjustment assembly comprises a second sliding seat, the second sliding seat is slidably connected to the first sliding seat, a second transmission rod is rotatably connected to a front end surface of the first sliding seat, the second transmission rod is threadedly connected to the second sliding seat, and the positioning seat is fixedly connected to the second sliding seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110922618.3A CN113369599B (en) | 2021-08-12 | 2021-08-12 | Thread turning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110922618.3A CN113369599B (en) | 2021-08-12 | 2021-08-12 | Thread turning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113369599A CN113369599A (en) | 2021-09-10 |
| CN113369599B true CN113369599B (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110922618.3A Active CN113369599B (en) | 2021-08-12 | 2021-08-12 | Thread turning device |
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| Country | Link |
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| CN (1) | CN113369599B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205705U (en) * | 1987-04-01 | 1988-03-30 | 成都航空工业学校 | Automatic and high-speed thread-turning unit for plain lathe |
| US5546836A (en) * | 1993-06-30 | 1996-08-20 | Daewoo Electronics Co., Ltd. | Lathe with an auxiliary transverse table |
| CN203900512U (en) * | 2014-06-04 | 2014-10-29 | 常州轻工职业技术学院 | Lathe |
| CN206263269U (en) * | 2016-08-16 | 2017-06-20 | 安徽合力股份有限公司合肥铸锻厂 | A kind of workpiece interrupted cut that improves is shaken the lathe of knife mark |
| CN206747731U (en) * | 2017-04-18 | 2017-12-15 | 常州机电职业技术学院 | Tool mounting clamp for external thread turning tool |
| CN109454244A (en) * | 2018-12-21 | 2019-03-12 | 阮张伟 | The high lathe of precision for optical axis processing |
| CN211249285U (en) * | 2019-12-16 | 2020-08-14 | 章丘市广大石化配件有限公司 | Lathe with tool rest and tailstock synchronously feeding |
| CN211438126U (en) * | 2019-12-31 | 2020-09-08 | 济南金品轧辊模具有限公司 | Lathe with adjustable tool rest seat |
-
2021
- 2021-08-12 CN CN202110922618.3A patent/CN113369599B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87205705U (en) * | 1987-04-01 | 1988-03-30 | 成都航空工业学校 | Automatic and high-speed thread-turning unit for plain lathe |
| US5546836A (en) * | 1993-06-30 | 1996-08-20 | Daewoo Electronics Co., Ltd. | Lathe with an auxiliary transverse table |
| CN203900512U (en) * | 2014-06-04 | 2014-10-29 | 常州轻工职业技术学院 | Lathe |
| CN206263269U (en) * | 2016-08-16 | 2017-06-20 | 安徽合力股份有限公司合肥铸锻厂 | A kind of workpiece interrupted cut that improves is shaken the lathe of knife mark |
| CN206747731U (en) * | 2017-04-18 | 2017-12-15 | 常州机电职业技术学院 | Tool mounting clamp for external thread turning tool |
| CN109454244A (en) * | 2018-12-21 | 2019-03-12 | 阮张伟 | The high lathe of precision for optical axis processing |
| CN211249285U (en) * | 2019-12-16 | 2020-08-14 | 章丘市广大石化配件有限公司 | Lathe with tool rest and tailstock synchronously feeding |
| CN211438126U (en) * | 2019-12-31 | 2020-09-08 | 济南金品轧辊模具有限公司 | Lathe with adjustable tool rest seat |
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| CN113369599A (en) | 2021-09-10 |
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