Milling center for aviation aluminum alloy curved-surface-shaped workpiece
By designing a clamping part including fixed cross plate, adjustment groove, twisting gear and drive frame in the milling device, the machining defects caused by inclination during the milling process are solved, and the stable clamping of the workpiece is achieved and Improved processing accuracy.
Patent Information
- Application Number
- CN202420830732.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-04-22
AI Technical Summary
When existing milling devices clamp curved workpieces, they can easily cause the workpiece to tilt and cause machining defects.
Aerospace aluminum alloy curved workpiece milling machining center is designed, and the clamping part including a fixed cross plate, an adjustment groove, a twisting gear and a driving frame is used to achieve the clamping screw and Accurate control of the drive frame ensures stable clamping of the workpiece.
It effectively avoids processing defects caused by inclination during the milling process of curved workpieces, and improves the accuracy and quality of processing.
Smart Images
Figure CN222430034U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of milling devices, and more specifically, particularly relates to a milling processing center for aviation aluminum alloy curved surface workpieces. Background Art
[0002] Aluminum alloy has good casting performance, good plastic processing performance, good mechanical properties, good workability, good wear resistance, strong corrosion resistance, good oxidation resistance and other excellent characteristics. It is widely used in aerospace, mold processing, mechanical equipment, tooling and fixtures and other fields, especially in aviation manufacturing and other high-stress structures that require high strength and strong corrosion resistance. In the field of aerospace manufacturing, the types and structures of parts involved are complex, including not only regular-shaped parts, but also irregular curved parts. Therefore, a milling device is required when milling the edge-cut parts.
[0003] Based on the findings in the prior art, existing milling devices usually clamp the curved workpiece directly, which makes it easy for gaps to form between the clamping components. After the milling tool comes into contact with the workpiece, the workpiece tilts due to the pressure of the tool, causing the curved workpiece to easily produce defects due to the tilt. Utility Model Content
[0004] In order to solve the above-mentioned technical problems, the embodiments of the present disclosure relate to a milling machining center for aviation aluminum alloy curved workpieces, so as to solve the problem that the existing milling devices usually clamp the curved workpieces directly, which makes it easy for the workpiece to have gaps between the clamping components, and after the milling tool comes into contact with the workpiece, the workpiece is tilted due to the pressure of the tool, resulting in the curved workpiece being easily tilted and causing defects in the maintenance processing.
[0005] In a first aspect, the present disclosure provides a milling machining center for aviation aluminum alloy curved workpieces, which is achieved by the following specific technical means:
[0006] A milling machining center for curved workpieces of aviation aluminum alloys, comprising: a clamping part; the clamping part comprises a fixed horizontal plate, an adjusting groove, a torsion gear and a driving frame; the torsion gear is arranged as a columnar gear structure, and there are two groups of torsion gears, the two groups of torsion gears are respectively rotatably connected in two groups of circular grooves between the two groups of adjusting grooves, and the two groups of torsion gears are respectively connected to two groups of control motors on the fixed horizontal plate; an external fixing part is arranged at the bottom of the clamping part; a tightening part is arranged at the top of the clamping part; the external fixing part comprises an external fixing plate and an auxiliary groove; the external fixing plate is screwed by screws Fixed at the bottom of the fixed horizontal plate, a torsion gear is provided in the auxiliary groove; the tightening part includes an outer frame, an adjusting screw and a chip blowing frame; the outer frame is fixed to the top of the fixed horizontal plate by screws, and a driving frame is slidably connected to the supporting horizontal plate; the chip blowing frame is arranged as a U-shaped structure, and two groups of L-shaped frames are arranged on the outer wall of the chip blowing frame, and threaded through holes are arranged on the L-shaped frames of the chip blowing frame, and two groups of blowing heads are arranged inside the chip blowing frame, and the chip blowing frame is slidably connected to the two groups of U-shaped frames of the outer frame through the two groups of L-shaped frames, and the two groups of L-shaped frames of the chip blowing frame are respectively threadedly connected to the two groups of adjusting screws.
[0007] At least in some embodiments, the fixed horizontal plate is configured as a rectangular structure, and two groups of control motors are provided on the fixed horizontal plate; the adjustment groove is configured as a rectangular through hole, and a rectangular protrusion is provided in the middle position of the adjustment groove, and two groups of adjustment grooves are respectively opened inside the fixed horizontal plate.
[0008] At least in some embodiments, the clamping part also includes a clamping screw; the clamping screw is configured as a threaded rod-like structure, and a columnar gear is provided on the clamping screw. There are four groups of clamping screws in total, and the four groups of clamping screws are respectively rotatably connected in two groups of adjustment grooves, and the four groups of clamping screws are respectively connected to the two groups of torsion gears through columnar gears.
[0009] At least in some embodiments, the clamping portion also includes a clamping plate; the driving frame is configured as a square plate structure, and two groups of L-shaped frames are provided on the driving frame, and the L-shaped frames of the driving frame are provided with threaded grooves, and there are two groups of driving frames in total, and the two groups of driving frames are respectively threadedly connected to the four groups of clamping screws through the L-shaped frames, and the two groups of driving frames are respectively slidably connected to the two groups of adjustment grooves; the clamping plate is configured as a T-shaped frame, and there are two groups of clamping plates in total, and the two groups of clamping plates are respectively fixed to the two groups of driving frames by screws.
[0010] At least in some embodiments, the outer fixing plate is configured as a square plate structure, L-shaped frames are respectively provided on the left and right sides of the bottom of the outer fixing plate, and two groups of rectangular slide grooves are provided on the top of the outer fixing plate; the auxiliary grooves are configured as rectangular through holes, and there are two groups of auxiliary grooves in total, and the two groups of auxiliary grooves are respectively opened at the bottom of the outer fixing plate.
[0011] At least in some embodiments, the coat rack is configured as a U-shaped rack, and U-shaped racks are respectively provided on the front and rear sides of the coat rack, and the two groups of U-shaped racks of the coat rack are respectively provided with adjustment motors, and two groups of rectangular slide grooves are provided in the middle position of the top of the coat rack; the adjusting screw is configured as a threaded rod structure, and the two groups of adjusting screws are respectively rotatably connected in the two groups of U-shaped racks of the coat rack.
[0012] At least in some embodiments, the tightening part also includes a docking groove and a plug-in cross plate; the docking groove is configured as a circular slot, and the docking groove is equidistantly opened on the top of the coat rack; the plug-in cross plate is configured as a square plate structure, and a cylindrical plug-in block is provided at the bottom of the plug-in cross plate, and two groups of threaded through holes are provided on the top of the plug-in cross plate, and the plug-in cross plate is plugged into the docking groove through a cylindrical protrusion.
[0013] At least in some embodiments, the tightening part also includes a supporting cross plate; the supporting cross plate is configured as a square plate-like structure, and two groups of threaded rods are rotatably connected to the bottom of the supporting cross plate, and hexagonal columnar structures are respectively provided on the two groups of threaded rods of the supporting cross plate, and the supporting cross plate is threadedly connected to the top of the plug-in cross plate through the two groups of threaded rods.
[0014] The utility model provides a milling machining center for aviation aluminum alloy curved surface workpieces, which has the following beneficial effects:
[0015] 1. In this device, adjustment slots and torsion gears are provided. Two groups of adjustment slots are provided on the fixed horizontal plate to fix the four groups of clamping screws. The two groups of adjustment slots are connected by two groups of circular grooves to fix the two groups of torsion gears. The two groups of torsion gears are driven by the control motor to rotate, so that the four groups of clamping screws can be controlled under the action of the clamping teeth, and the control driving frame and the clamping plate can be controlled to clamp the curved workpiece.
[0016] 2. In this device, a plug-in cross plate and a supporting cross plate are provided. By opening a docking groove at the top of the outer frame, the plug-in cross plate is conveniently fixed at the designated position. By rotating the bottom of the supporting cross plate to connect the threaded rod, the distance between the supporting cross plate and the plug-in cross plate can be adjusted by rotating the threaded rod. This facilitates fixing the two in the gap between the workpiece and the outer frame before clamping the curved workpiece, so as to assist in supporting the workpiece for milling. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0018] Figure 2 It is a three-dimensional upward-looking structural schematic diagram of the utility model.
[0019] Figure 3 It is a schematic diagram of the exploded structure of the utility model.
[0020] Figure 4 It is a schematic diagram of the exploded structure of the utility model when viewed from above.
[0021] Figure 5 It is a partial cutaway structural schematic diagram of the utility model.
[0022] Figure 6 It is a schematic diagram of the assembly structure of the tightening part of the utility model.
[0023] Figure 7 It is a schematic diagram of the assembly structure of the clamping part of the utility model.
[0024] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:
[0025] 1. Clamping part; 101. Fixed horizontal plate; 102. Adjusting slot; 103. Twisting gear; 104. Clamping screw; 105. Driving frame; 106. Clamping plate;
[0026] 2. External fixing part; 201. External fixing plate; 202. Auxiliary groove;
[0027] 3. Tightening part; 301. Outer cover frame; 302. Adjusting screw; 303. Docking groove; 304. Inserting horizontal plate; 305. Supporting horizontal plate; 306. Chip blowing frame. DETAILED DESCRIPTION
[0028] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.
[0029] Embodiment 1: As shown in the attached Figure 1 To Attachment Figure 7As shown: The utility model provides an aviation aluminum alloy curved workpiece milling processing center, including: a clamping part 1; the clamping part 1 includes a fixed horizontal plate 101, an adjustment groove 102, a torsion gear 103 and a driving frame 105; the torsion gear 103 is set as a columnar gear structure, and there are two groups of torsion gears 103, the two groups of torsion gears 103 are respectively rotatably connected in two groups of circular grooves between the two groups of adjustment grooves 102, and the two groups of torsion gears 103 are respectively connected to the two groups of control motors on the fixed horizontal plate 101; the torsion gear 103 is used to control the rotation of four groups of clamping screws 104 under the drive of the two groups of control motors, so as to adjust the driving frame 105; the bottom of the clamping part 1 is provided with an external fixing part 2; the top of the clamping part 1 is provided with a tightening part 3; the external fixing part 2 includes an external fixing plate 201 and an auxiliary groove 202; the external fixing plate 201 is connected to the external fixing plate 201 through the external fixing plate 201. It is fixed to the bottom of the fixed horizontal plate 101 by screws, and a torsion gear 103 is provided in the auxiliary groove 202; the tightening part 3 includes an outer frame 301, an adjusting screw 302 and a chip blowing frame 306; the outer frame 301 is fixed to the top of the fixed horizontal plate 101 by screws, and a driving frame 105 is slidably connected to the supporting horizontal plate 305; the chip blowing frame 306 is set to a U-shaped structure, and two groups of L-shaped frames are provided on the outer wall of the chip blowing frame 306, and the L-shaped frame of the chip blowing frame 306 is provided with threaded through holes, and two groups of blowing heads are provided inside the chip blowing frame 306, and the chip blowing frame 306 is slidably connected to the two groups of U-shaped frames of the outer frame 301 through the two groups of L-shaped frames, and the two groups of L-shaped frames of the chip blowing frame 306 are respectively threadedly connected to the two groups of adjusting screws 302; the chip blowing frame 306 is used to clean up the waste chips after the internal blowing head is connected to the external air pipe for milling processing.
[0030] Embodiment 2: Based on Embodiment 1, Figure 7As shown, the fixed cross plate 101 is set as a rectangular parallelepiped structure, and two groups of control motors are arranged on the fixed cross plate 101; the fixed cross plate 101 is used to assist in installing and fixing other structures of the device so as to process curved workpieces; the adjusting groove 102 is set as a rectangular through hole, and a rectangular protrusion is arranged in the middle position of the adjusting groove 102, and the two groups of adjusting grooves 102 are respectively opened inside the fixed cross plate 101; the adjusting groove 102 is used to assist in installing the clamping screw 104 and the driving frame 105 so as to adjust them; the clamping part 1 also includes a clamping screw 104; the clamping screw 104 is set as a threaded rod-shaped structure, and a columnar gear is arranged on the clamping screw 104. There are four groups of clamping screws 104 in total, and the four groups of clamping screws 104 are respectively rotatably connected in the two groups of adjusting grooves 102, and the four groups of clamping screws 104 are respectively connected to the two groups of torsion gears 103 through columnar gears; the clamping screw 104 is used to drive the torsion gear 103 The driving frame 105 is rotated down so that the driving frame 105 can be adjusted through the thread control, so as to facilitate the clamping of the curved workpiece; the clamping part 1 also includes a clamping plate 106; the driving frame 105 is set as a square plate structure, and two groups of L-shaped frames are provided on the driving frame 105, and the L-shaped frame of the driving frame 105 is provided with a threaded groove, and the driving frame 105 is provided with two groups, and the two groups of driving frames 105 are respectively connected to the four groups of clamping screws 104 through the L-shaped frames, and the two groups of driving frames 105 are respectively slidably connected in the two groups of adjustment grooves 102; the driving frame 105 is used to move under the drive of the clamping screw 104, so as to drive the clamping plate 106 to clamp the curved workpiece; the clamping plate 106 is set as a T-shaped frame, and the clamping plate 106 is provided with two groups, and the two groups of clamping plates 106 are respectively fixed on the two groups of driving frames 105 by screws; the clamping plate 106 is used to move under the drive of the driving frame 105, so as to clamp the curved workpiece.
[0031] In the embodiments of the present disclosure, Figure 4 As shown, the outer fixing plate 201 is set as a square plate structure, and L-shaped frames are respectively provided on the left and right sides of the bottom of the outer fixing plate 201, and two groups of rectangular slide grooves are provided on the top of the outer fixing plate 201; the outer fixing plate 201 is used to assist in fixing the fixed horizontal plate 101 so that the device can be installed as a whole in a fixed position outside; the auxiliary grooves 202 are set as rectangular through holes, and there are two groups of auxiliary grooves 202, which are respectively opened at the bottom of the outer fixing plate 201; the auxiliary grooves 202 are used to assist in the adjustment of the torsion gear 103.
[0032] In the embodiments of the present disclosure, Figure 6As shown, the outer frame 301 is configured as a U-shaped frame, and U-shaped frames are respectively provided on the front and rear sides of the outer frame 301. The two groups of U-shaped frames of the outer frame 301 are respectively provided with adjusting motors, and two groups of rectangular slide grooves are provided in the middle position of the top of the outer frame 301; the outer frame 301 is used to assist in fixing other structures of the tightening part 3 so as to assist in supporting the curved workpiece; the adjusting screw 302 is configured as a threaded rod-shaped structure, and the two groups of adjusting screws 302 are respectively rotatably connected in the two groups of U-shaped frames of the outer frame 301; the adjusting screw 302 is used to rotate under the drive of the adjusting motor so as to adjust the chip blowing frame 306; the tightening part 3 also includes a docking groove 303 and a plug-in cross plate 304; the docking groove 303 is configured as a circular slot, and the docking groove 303 is equidistantly opened on the top of the outer frame 301; the docking groove 303 is used to assist in fixing the plug-in cross plate 304, so as to fix the plug-in cross plate 304; the plug-in cross plate 304 is set as a square plate structure, the bottom of the plug-in cross plate 304 is provided with a cylindrical plug block, the top of the plug-in cross plate 304 is provided with two groups of threaded through holes, and the plug-in cross plate 304 is plugged into the docking groove 303 through the cylindrical protrusion; the plug-in cross plate 304 is used to cooperate with the supporting cross plate 305 for adjustment, so as to support the curved workpiece; the tightening part 3 also includes a supporting cross plate 305; the supporting cross plate 305 is set as a square plate structure, the bottom of the supporting cross plate 305 is rotatably connected with two groups of threaded rods, and the two groups of threaded rods of the supporting cross plate 305 are respectively provided with hexagonal prism structures, and the supporting cross plate 305 is threadedly connected to the top of the plug-in cross plate 304 through the two groups of threaded rods; the supporting cross plate 305 is used to be adjusted under the action of the threaded rods, so as to support the curved workpiece.
[0033] The specific usage and function of this embodiment are as follows:
[0034] In the present invention, when in use, the control motor and the regulating motor are electrically connected to the external control center respectively, and then the curved workpiece is prevented from being placed on the top of the outer frame 301, and the plug-in cross plate 304 is inserted into the top of the docking groove 303 to maintain the stability of the supporting cross plate 305, so that the two are fixed in the gap between the outer frame 301 and the curved workpiece, and then the control motor is started to drive the torsion gear to rotate, and then the clamping screw 104 is driven to rotate through the card teeth during the rotation, so that the screw control drives the screw 104 to rotate through the thread control during the rotation. The frame 105 moves, and in the process of moving, it drives the clamping plate 106 to clamp the curved workpiece, and then rotates the threaded rod at the bottom of the supporting cross plate 305 for adjustment, so that it is convenient to control the supporting cross plate 305 to support the curved workpiece, and then the external milling tool is used for milling. After the milling is completed, the adjusting motor controls the adjustment screw 302 to rotate, so as to control the movement of the chip blowing frame 306, and cooperate with the external blowing equipment and the blowing head to clean the waste chips on the curved workpiece, so as to process the curved workpiece.
[0035] In this article, there are a few points to note:
[0036] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.
[0037] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.
[0038] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.
Claims
1. A milling machining center for aviation aluminum alloy curved surface workpieces, comprising: The clamping part is characterized in that: the clamping part includes a fixed horizontal plate, an adjusting groove, a torsion gear and a driving frame; the torsion gear is set as a columnar gear structure, and there are two groups of torsion gears, which are respectively rotatably connected in two groups of circular grooves between the two groups of adjusting grooves, and the two groups of torsion gears are respectively connected to two groups of control motors on the fixed horizontal plate; the bottom of the clamping part is provided with an external fixing part; the top of the clamping part is provided with a tightening part; the external fixing part includes an external fixing plate and an auxiliary groove; the external fixing plate is fixed to the fixed horizontal plate by screws At the bottom, a torsion gear is provided in the auxiliary groove; the tightening part includes an outer frame, an adjusting screw and a chip blowing frame; the outer frame is fixed to the top of the fixed horizontal plate by screws, and a driving frame is slidably connected to the supporting horizontal plate; the chip blowing frame is arranged as a U-shaped structure, and two groups of L-shaped frames are provided on the outer wall of the chip blowing frame, and threaded through holes are provided on the L-shaped frames of the chip blowing frame, and two groups of blowing heads are provided inside the chip blowing frame, and the chip blowing frame is slidably connected to the two groups of U-shaped frames of the outer frame through two groups of L-shaped frames, and the two groups of L-shaped frames of the chip blowing frame are respectively threadedly connected to the two groups of adjusting screws.
2. The milling machining center for curved workpieces of aviation aluminum alloy according to claim 1, characterized in that: The fixed horizontal plate is configured as a rectangular parallelepiped structure, and two groups of control motors are arranged on the fixed horizontal plate; the adjustment groove is configured as a rectangular through hole, and a rectangular protrusion is arranged in the middle of the adjustment groove, and the two groups of adjustment grooves are respectively opened inside the fixed horizontal plate.
3. The milling machining center for curved workpieces of aviation aluminum alloy according to claim 1, characterized in that: The clamping part also includes a clamping screw; the clamping screw is arranged as a threaded rod structure, and a columnar gear is arranged on the clamping screw. There are four groups of clamping screws in total, and the four groups of clamping screws are respectively rotatably connected in the two groups of adjustment grooves, and the four groups of clamping screws are respectively connected to the two groups of torsion gears through the columnar gears.
4. The milling machining center for curved workpieces of aviation aluminum alloy according to claim 3, characterized in that: The clamping part also includes a clamping plate; the driving frame is configured as a square plate structure, and two groups of L-shaped frames are provided on the driving frame, and the L-shaped frames of the driving frame are provided with threaded grooves. There are two groups of driving frames in total, and the two groups of driving frames are respectively threadedly connected to the four groups of clamping screws through the L-shaped frames, and the two groups of driving frames are respectively slidably connected to the two groups of adjustment grooves; the clamping plate is configured as a T-shaped frame, and there are two groups of clamping plates in total, and the two groups of clamping plates are respectively fixed to the two groups of driving frames by screws.
5. The milling machining center for aviation aluminum alloy curved workpieces according to claim 1, characterized in that: The outer fixing plate is configured as a square plate structure, and L-shaped frames are respectively provided on the left and right sides of the bottom of the outer fixing plate, and two groups of rectangular slide grooves are provided on the top of the outer fixing plate; the auxiliary grooves are configured as rectangular through holes, and there are two groups of auxiliary grooves in total, and the two groups of auxiliary grooves are respectively opened at the bottom of the outer fixing plate.
6. The milling machining center for aviation aluminum alloy curved workpieces according to claim 1, characterized in that: The coat rack is configured as a U-shaped rack, and U-shaped racks are respectively provided on the front and rear sides of the coat rack. The two groups of U-shaped racks of the coat rack are respectively provided with adjustment motors, and two groups of rectangular slide grooves are provided at the middle position of the top of the coat rack; the adjusting screw is configured as a threaded rod structure, and the two groups of adjusting screws are respectively rotatably connected in the two groups of U-shaped racks of the coat rack.
7. The milling machining center for curved workpieces of aviation aluminum alloy according to claim 1, characterized in that: The tightening part also includes a docking groove and a plug-in cross plate; the docking groove is configured as a circular slot, and the docking groove is equidistantly arranged on the top of the coat rack; the plug-in cross plate is configured as a square plate structure, and a cylindrical plug-in block is provided at the bottom of the plug-in cross plate, and two groups of threaded through holes are provided at the top of the plug-in cross plate, and the plug-in cross plate is plugged into the docking groove through a cylindrical protrusion.
8. The milling machining center for aviation aluminum alloy curved workpieces according to claim 7, characterized in that: The tightening part also includes a supporting cross plate; the supporting cross plate is arranged as a square plate-like structure, and two sets of threaded rods are rotatably connected to the bottom of the supporting cross plate, and hexagonal columnar structures are respectively arranged on the two sets of threaded rods of the supporting cross plate, and the supporting cross plate is threadedly connected to the top of the plug-in cross plate through the two sets of threaded rods.