CN113400016A - Valve worm machining center - Google Patents
Valve worm machining center Download PDFInfo
- Publication number
- CN113400016A CN113400016A CN202110869471.6A CN202110869471A CN113400016A CN 113400016 A CN113400016 A CN 113400016A CN 202110869471 A CN202110869471 A CN 202110869471A CN 113400016 A CN113400016 A CN 113400016A
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- shaft assembly
- driving shaft
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- control horizontal
- driving
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- 238000003754 machining Methods 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 8
- 230000000712 assembly Effects 0.000 description 6
- 238000000429 assembly Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention discloses a valve worm machining center, which belongs to the technical field of valve machining and manufacturing equipment and is characterized in that: the numerical control horizontal turret machine tool comprises a frame, a numerical control horizontal turret tool rest, a first driving shaft assembly and a second driving shaft assembly; the first driving shaft assembly is fixedly arranged on the rack; the second driving shaft assembly is assembled on the rack through a transverse straight line die set; the numerical control horizontal turret tool rest is assembled on the rack through a cross guide rail die set, the axis of a rotating shaft of the numerical control horizontal turret tool rest is parallel to the transverse linear die set, a tool is installed on the numerical control horizontal turret tool rest, the numerical control horizontal turret tool rest movably moves along the cross guide rail die set, and the cross guide rail die set is provided with a transverse rail parallel to the transverse linear die set and a vertical rail perpendicular to the transverse linear die set. The machining center can realize the whole-process automatic machining of the valve worm, and is high in machining precision and machining efficiency.
Description
Technical Field
The invention belongs to the technical field of valve machining equipment, and particularly relates to a valve worm machining center.
Background
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. In the existing valve structures of various models, a transmission part for controlling the valve plate of the valve to open and close is a worm gear.
In the prior art, the worm of the valve is machined by a lathe. Specifically, a bar is clamped on a chuck of a lathe spindle, the outer end face of the bar is turned and drilled, and under the supporting action of a lathe center, a turning tool processes spiral teeth on the excircle of the bar. After the spiral teeth are machined, the semi-finished worm needs to be dismounted from the chuck, the two ends of the semi-finished worm are replaced and then clamped on the chuck again, and the semi-finished worm is turned again.
The worm is machined by adopting the traditional lathe, secondary clamping is needed, the machining precision and the machining efficiency of a product are affected by the secondary clamping, the machining precision is not high, and the machining efficiency is low.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a valve worm machining center which solves the problems of low machining precision and low machining efficiency of the existing valve worm.
The invention is realized in this way, a valve worm machining center, which is characterized in that: the numerical control horizontal turret machine tool comprises a frame, a numerical control horizontal turret tool rest, a first driving shaft assembly and a second driving shaft assembly; the first driving shaft assembly is fixedly arranged on the rack and used for clamping the bar stock and driving the bar stock to rotate around the axis of the bar stock; the second driving shaft assembly is assembled on the rack through a transverse linear module, the second driving shaft assembly is provided with a clamping hole which is opposite to the first driving shaft assembly and coaxial with the first driving shaft assembly, the second driving shaft assembly moves movably along the transverse linear module, the transverse linear module is parallel to the axis of the clamping hole, and the second driving shaft assembly is used for clamping the bar and driving the bar to rotate around the axis of the second driving shaft assembly; the numerical control horizontal turret tool rest is assembled on the rack through the cross guide rail die set, the axis of a rotating shaft of the numerical control horizontal turret tool rest is parallel to the transverse linear die set, a cutter is installed on the numerical control horizontal turret tool rest, the numerical control horizontal turret tool rest movably moves along the cross guide rail die set, the cross guide rail die set is provided with a transverse rail parallel to the transverse linear die set and a vertical rail perpendicular to the transverse linear die set, and the numerical control horizontal turret tool rest is used for machining a bar material clamped on the first driving shaft assembly or the second driving shaft assembly.
In the above technical solution, preferably, the first driving shaft assembly and the second driving shaft assembly include a shaft seat, a rotating shaft, a driving motor and a chuck; the rotating shaft is assembled on the shaft seat and can rotate around the axis of the rotating shaft; the driving motor is connected with the rotating shaft and is used for driving the rotating shaft to rotate; the chuck is arranged on the rotating shaft and used for clamping the bar stock.
In the above technical solution, preferably, the chuck is a power chuck.
The invention has the advantages and effects that:
the processing center is provided with two driving shaft assemblies, the two driving shaft assemblies are respectively a fixed driving shaft assembly and a movable driving shaft assembly, the two driving shaft assemblies can clamp the bar and drive the bar to rotate, the fixed driving shaft assembly can be used as a processing station for processing the bar, and the movable driving shaft assembly can also be used as a processing station for processing the bar. The movable movement of the movable driving shaft assembly can realize common clamping of the two driving shaft assemblies to the bar, and automatic clamping conversion of the bar between the two driving shaft assemblies can be realized, so that the full automation of worm machining is realized, the clamping adopts a transition mode of left-side clamping, double-side clamping and right-side clamping, the clamping process is automatically converted by the action of the driving shaft assemblies, compared with the traditional manual secondary clamping, the machining process is finished at one stroke, the clamping precision is high, and the machining efficiency and the machining precision of the worm can be effectively improved.
Drawings
FIG. 1 is a schematic diagram of the present invention.
In the figure, 1, a frame; 2. a numerical control horizontal turret; 3. a first drive shaft assembly; 3-1, a shaft seat; 3-2, a rotating shaft; 3-3, driving a motor; 3-4, chuck; 4. a second drive shaft assembly; 5. a transverse straight line module; 6. a cross guide rail module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following 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.
The invention particularly provides a valve worm machining center which can realize automatic whole-process machining of a valve worm and is high in machining precision and machining efficiency. To further illustrate the structure of the present invention, the following detailed description is made with reference to the accompanying drawings:
referring to fig. 1, a valve worm machining center includes a frame 1, where the frame 1 is a support frame of a machine tool, and in this embodiment, an upper portion of the frame 1 has an oblique mounting surface, and an included angle between the mounting surface and a horizontal plane is 15 ° to 60 °. The frame is of cast iron welding structure.
The upper part of the frame 1 is provided with a numerical control horizontal turret tool rest 2, a first driving shaft assembly 3 and a second driving shaft assembly 4.
The numerical control horizontal turret tool post 2 is a very important part of the numerical control lathe. The numerical control lathe can be provided with 4, 6, 8, 10, 12, 20 and 24 cutters on a tool rest according to the functions, and some numerical control lathes can be provided with more cutters. The tool rest is generally in a rotary structure, a rotating shaft for tool changing and rotating is a rotating shaft, and the tool is arranged on the tool rest along the circumferential direction and can be provided with a radial lathe tool, an axial lathe tool, a drill bit and a boring tool. The turning center can also be used for installing an axial milling cutter and a radial milling cutter. The tool rests of a few numerical control lathes are in a straight line, and the tools are arranged along a straight line. The numerical control horizontal turret tool rest in the embodiment is installed according to the requirements of numerical control horizontal turret tool rest (GB/T20960-2007).
The first drive shaft assembly 3 and the second drive shaft assembly 4 are assembly of parts for clamping the bar stock and driving the bar stock to rotate around the axis of the bar stock. In this embodiment, the first driving shaft assembly 3 and the second driving shaft assembly 4 include a shaft seat 3-1, a rotating shaft 3-2, a driving motor 3-3, and a chuck 3-4. The rotating shaft 3-2 is assembled on the shaft seat 3-1 and can rotate around the axis of the rotating shaft, and the driving motor 3-3 is connected with the rotating shaft 3-2 and used for driving the rotating shaft 3-2 to rotate. The chuck 3-4 is arranged on the rotating shaft 3-2 and used for clamping the bar stock. Specifically, the installation structure and the working principle of the rotating shaft 3-2 and the shaft seat 3-1 are the same as those of a traditional lathe spindle, the spindle drives a workpiece or a cutter to rotate, and a spindle component is composed of a spindle, a bearing, a transmission part (a gear or a belt wheel) and the like. The device is mainly used for supporting transmission parts such as gears and belt wheels and transmitting motion and torque. The chuck 3-4 is arranged on the rotating shaft 3-2, and the chuck 3-4 is a power chuck. As is well known to those skilled in the art, the chucks 3-4 are mechanical devices on a machine tool used to clamp a workpiece. The machine tool accessory clamps and positions a workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body. The chuck 3-4 consists of a chuck body, a movable jaw and a jaw driving mechanism. The power chuck is a chuck with movable jaws driven by power and capable of being numerically controlled. The center of the chuck 3-4 is a clamping hole. The driving motor 3-3 is a servo motor for a numerical control machine tool, and an output shaft of the driving motor is in transmission connection with the rotating shaft and used for driving the rotating shaft to rotate.
The first driving shaft assembly 3 is fixedly installed on the frame 1, that is, the shaft seat 3-1 of the first driving shaft assembly 3 is fixedly installed on the installation surface of the frame 1, the lower part of the installation surface on the frame 1 is close to one side part, and the axis of the rotating shaft 3-2 of the first driving shaft assembly 3 is horizontally arranged. The end part of the rotating shaft 3-2 is provided with a power chuck 3-4. The first driving shaft assembly 3 is used for clamping a bar stock and driving the bar stock to rotate around the axis of the bar stock, the bar stock is made of a worm, and the worm is clamped on the first driving shaft assembly through a chuck 3-4 and driven by a driving motor 3-3 to rotate around the axis of the worm.
The second drive shaft assembly 4 is fitted to the frame 1 via a transverse linear module 5. The second drive shaft assembly 4 has a chucking hole which is coaxial with and opposite to the first drive shaft assembly 3. The second driving shaft assembly 4 moves along the transverse linear module 5, and the transverse linear module 5 is parallel to the axis of the clamping hole. The second driving shaft assembly 4 is used for clamping the bar stock and driving the bar stock to rotate around the axis of the bar stock.
In this embodiment, the transverse linear module 5 includes a first transverse linear guide rail, a first lead screw, a first transverse sliding table and a first transverse driving motor. The first transverse linear guide rail is fixed on the upper mounting surface of the frame, extends transversely from the inner side of the first driving shaft assembly and is parallel to the axis of the clamping hole of the first driving shaft assembly. The first lead screw is installed on the installation surface of the rack in a mode of rotating around the axis of the first lead screw, namely a bearing seat is installed on the installation surface of the rack, two ends of the first lead screw are assembled on the bearing seat, and the first lead screw can rotate around the axis of the first lead screw. A first transverse driving motor is installed on the installation surface of the rack, an output shaft of the first transverse driving motor is in transmission connection with a first lead screw, and the first transverse driving motor drives the first lead screw to rotate. The first transverse sliding table is assembled on the first transverse linear guide rail and is in threaded connection with the first lead screw, and the matching mode of the first transverse sliding table and the first transverse linear guide rail and the combination structure of the first transverse sliding table and the first lead screw are conventional known technologies in the mechanical field. The first transverse driving motor drives the first transverse sliding table to move movably along the first transverse linear guide rail.
Second drive shaft assembly 4 is installed on first horizontal slip table, and second drive shaft assembly 4 is the formula of shifting, is driven by horizontal sharp module 5. The second drive shaft assembly 4, which is linearly movable, may be close to or remote from the first drive shaft assembly 3.
The numerical control horizontal turret tool rest 2 is assembled on the frame through a cross guide rail module 6, the axis of a rotating shaft of the numerical control horizontal turret tool rest 2 is parallel to a transverse linear module 5, a cutter is installed on the numerical control horizontal turret tool rest 2, and the numerical control horizontal turret tool rest 2 moves movably along the cross guide rail module 6. In this embodiment, the cutting tools mounted on the numerical control horizontal turret tool rest 2 include a turning tool and a drill bit.
The cross rail module 6 is a conventionally known component that is mounted on the upper side of the mounting surface of the frame 1. The cross-shaped guide rail module 6 is provided with a transverse rail parallel to the transverse linear module 5 and a vertical rail perpendicular to the transverse linear module 5, and the numerical control horizontal turret tool rest 2 can move transversely along the transverse rail and vertically along the vertical rail. The transverse rail assembly of the cross guide rail module 6 consists of a second transverse linear guide rail, a second screw rod, a second transverse sliding table and a second transverse driving motor, and the structure and the installation mode of the transverse rail assembly are the same as those of the transverse linear module; the vertical rail assembly of the cross guide rail module 6 is arranged on the second transverse sliding table and consists of a vertical linear guide rail, a vertical lead screw, a vertical sliding table and a vertical driving motor, and the structure and the installation mode of the vertical rail assembly are the same as those of the transverse linear guide rail module. The numerical control horizontal turret tool rest 2 is arranged on a vertical sliding table. The numerical control horizontal type turret tool rest 2 is used for processing the bar stock clamped on the first driving shaft assembly 3 or the second driving shaft assembly 4.
The bar is clamped on the chucks 3-4 of the first driving shaft assembly 3, the first driving shaft assembly 3 drives the bar to rotate, and the numerical control horizontal turret tool rest 2 is used for turning and drilling the end face of the bar. The second drive shaft assembly 4 is moved to the bar end and the chuck of the second drive shaft assembly 4 engages the bar end. And clamping and fixing two end parts of the bar, and processing peripheral spiral teeth of the bar by a turning tool of the numerical control horizontal turret tool rest 2. After the processing of the spiral teeth is finished, the chuck 3-4 of the first driving shaft assembly 3 is opened, the bar is clamped by the second driving shaft assembly 4 and movably moves to the other side far away from the first driving shaft assembly 3, and after the bar is movably moved to a preset position, the turning tool and the drill bit of the numerical control horizontal turret tool rest 2 process the other end of the bar.
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.
Claims (3)
1. The utility model provides a valve worm machining center which characterized in that: the numerical control horizontal turret machine tool comprises a machine frame (1), a numerical control horizontal turret tool rest (2), a first driving shaft assembly (3) and a second driving shaft assembly (4);
the first driving shaft assembly (3) is fixedly arranged on the rack (1) and is used for clamping the bar stock and driving the bar stock to rotate around the axis of the bar stock;
the second driving shaft assembly (4) is assembled on the rack (1) through a transverse linear module (5), the second driving shaft assembly (4) is provided with a clamping hole which is opposite to the first driving shaft assembly (3) and is coaxial, the second driving shaft assembly (4) moves along the transverse linear module (5), the transverse linear module (5) is parallel to the axis of the clamping hole, and the second driving shaft assembly (4) is used for clamping a bar and driving the bar to rotate around the axis of the second driving shaft assembly;
the numerical control horizontal turret tool rest (2) is assembled on the rack (1) through a cross guide rail module (6), the axis of a rotating shaft of the numerical control horizontal turret tool rest (2) is parallel to the transverse linear module (5), a cutter is installed on the numerical control horizontal turret tool rest (2), the numerical control horizontal turret tool rest (2) moves movably along the cross guide rail module (6), the cross guide rail module (6) is provided with a transverse rail parallel to the transverse linear module (5) and a vertical rail perpendicular to the transverse linear module (5), and the numerical control horizontal turret tool rest (2) is used for machining bars clamped in the first driving shaft assembly (3) or the second driving shaft assembly (4).
2. The valve worm machining center of claim 1, wherein: the first driving shaft assembly (3) and the second driving shaft assembly (4) comprise shaft seats (3-1), rotating shafts (3-2), driving motors (3-3) and chucks (3-4); the rotating shaft (3-2) is assembled on the shaft seat (3-1) and can rotate around the axis of the rotating shaft; the driving motor (3-3) is connected with the rotating shaft (3-2) and is used for driving the rotating shaft (3-2) to rotate; the chuck (3-4) is arranged on the rotating shaft (3-2) and used for clamping the bar stock.
3. The valve worm machining center of claim 2, wherein: the chucks (3-4) are power chucks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110869471.6A CN113400016A (en) | 2021-07-30 | 2021-07-30 | Valve worm machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110869471.6A CN113400016A (en) | 2021-07-30 | 2021-07-30 | Valve worm machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113400016A true CN113400016A (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110869471.6A Pending CN113400016A (en) | 2021-07-30 | 2021-07-30 | Valve worm machining center |
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| Country | Link |
|---|---|
| CN (1) | CN113400016A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007891A (en) * | 2022-06-01 | 2022-09-06 | 宁波海天精工股份有限公司 | Upper body movable hydraulic tailstock |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274239A (en) * | 2018-04-08 | 2018-07-13 | 周辉 | Combined machine |
| CN110449903A (en) * | 2019-09-11 | 2019-11-15 | 广东汉明石阁机床有限公司 | Complex milling machine tool |
| CN110625395A (en) * | 2019-09-26 | 2019-12-31 | 广州和兴机电科技有限公司 | Double-spindle turning and milling composite machine tool |
| CN211438925U (en) * | 2019-11-25 | 2020-09-08 | 东莞市崧钰智能科技有限公司 | Numerical control turning and milling composite machine tool |
| CN211489965U (en) * | 2020-01-03 | 2020-09-15 | 云南精机琥正机械有限公司 | Pipe threading lathe with inclined lathe bed |
| CN216541828U (en) * | 2021-07-30 | 2022-05-17 | 天津银河流体控制设备有限公司 | Valve worm machining center |
-
2021
- 2021-07-30 CN CN202110869471.6A patent/CN113400016A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274239A (en) * | 2018-04-08 | 2018-07-13 | 周辉 | Combined machine |
| CN110449903A (en) * | 2019-09-11 | 2019-11-15 | 广东汉明石阁机床有限公司 | Complex milling machine tool |
| CN110625395A (en) * | 2019-09-26 | 2019-12-31 | 广州和兴机电科技有限公司 | Double-spindle turning and milling composite machine tool |
| CN211438925U (en) * | 2019-11-25 | 2020-09-08 | 东莞市崧钰智能科技有限公司 | Numerical control turning and milling composite machine tool |
| CN211489965U (en) * | 2020-01-03 | 2020-09-15 | 云南精机琥正机械有限公司 | Pipe threading lathe with inclined lathe bed |
| CN216541828U (en) * | 2021-07-30 | 2022-05-17 | 天津银河流体控制设备有限公司 | Valve worm machining center |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007891A (en) * | 2022-06-01 | 2022-09-06 | 宁波海天精工股份有限公司 | Upper body movable hydraulic tailstock |
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