Milling composite device based on special-shaped thin-walled workpiece machining and working method thereof

Abstract

The invention relates to the technical field of milling, in particular to a milling composite device based on special-shaped thin-walled workpiece machining and a working method of the milling composite device. The device comprises a device body, the device body comprises a main body frame, a machining base is arranged at the main body frame, and a to-be-machined part is arranged at the machining base; a mounting ring is formed at the machining base, and a plurality of outer positioning mechanisms used for positioning the outer wall of a workpiece to be machined are movably arranged at the mounting ring; the to-be-machined part is provided with a positioning cavity, and an inner positioning mechanism used for penetrating into the positioning cavity to position the inner wall of the to-be-machined part is arranged at the machining base. Compared with the prior art, fixing is carried out in an internal and external limiting clamping mode, and when thin-walled workpieces and other machined parts which are prone to deformation are fixed, the clamping stability can be guaranteed, and excessive deformation of the machined parts can be avoided.

Description

Technical Field

[0001] The present invention relates to the field of milling technology, in particular to a milling compound device based on processing special-shaped thin-walled parts and a working method thereof. Background Art

[0002] The milling compound device is an advanced processing equipment that integrates turning and milling functions. Its core advantage is that it can complete multiple processing steps in one clamping, significantly improving processing efficiency, precision and flexibility. Special-shaped thin-walled parts refer to mechanical parts with complex geometric shapes and thin walls. A considerable number of special-shaped thin-walled parts are usually left with cavities before processing based on their functional requirements, structural optimization and manufacturing process constraints, such as spiral blades, to facilitate subsequent fixation through the cavity. The milling compound device based on the processing of special-shaped thin-walled parts is intended to solve the problems of poor rigidity, easy deformation and high precision requirements in the processing of special-shaped thin-walled parts.

[0003] In the prior art, when processing workpieces of special shapes and sizes, special clamps are mostly used to fix the special workpieces. However, these clamps are difficult to stably clamp workpieces of different types and sizes when facing different special-shaped workpieces, which affects subsequent processing. Summary of the Invention

[0004] The present invention provides a milling compound device for processing special-shaped thin-walled parts and a working method thereof, which can overcome the defect in the prior art that the milling compound device is difficult to stably fix different types of special-shaped thin-walled parts.

[0005] According to the present invention, a milling compound device based on processing special-shaped thin-walled parts includes a device body, which includes a main frame, a processing base is provided on the main frame, and the workpiece to be processed is provided on the processing base; a mounting ring is formed on the processing base, and a plurality of external positioning mechanisms for positioning the outer wall of the workpiece to be processed can be movably provided on the mounting ring; the workpiece to be processed has a positioning cavity, and an internal positioning mechanism is provided on the processing base for penetrating into the positioning cavity to achieve positioning of the inner wall of the workpiece to be processed.

[0006] Compared with the prior art, the present application fixes the workpiece by means of internal and external limit clamping. When fixing workpieces such as thin-walled parts that are more easily deformed, it can not only ensure the stability of the clamping, but also avoid excessive deformation of the workpiece itself.

[0007] Preferably, a plurality of first mounting holes are provided through the inner wall of the mounting ring, and the external positioning mechanism includes a first column slidingly arranged in the first mounting hole, a contact piece for pressing and fixing the outer wall of the workpiece to be processed is provided at the end of the outer wall of the first column, a second column is vertically provided on the outer wall of the first column at the opposite end of the contact piece, a third column is provided at the bottom of the outer wall of the processing base, and a spring for pulling the contact piece to move is provided between the second column and the third column.

[0008] In the present invention, the third column pulls the second column to move through the spring, so that the first column moves toward the workpiece to be processed. The contact piece will fit according to the different shapes of the outer wall of the workpiece to be processed, thereby achieving rapid pre-fixation of the outer wall of the workpiece to be processed.

[0009] Preferably, a fourth column is provided at the end of the outer wall of the second column, a plurality of positioning holes are provided axially through the outer wall of the fourth column, a telescopic motor is provided at the bottom of the inner wall of the main frame, a lifting plate is provided at the driving end of the telescopic motor, and a plurality of fifth columns deep into the positioning holes are equidistantly provided at the bottom of the outer wall of the lifting plate.

[0010] In the present invention, the telescopic motor is started through the control panel to move the lifting plate upward, and the fifth column on the lifting plate is inserted into the positioning hole to achieve rapid fixation of the fourth columns with different extension lengths, thereby improving the external fixing efficiency of the device.

[0011] Preferably, the contact piece includes a docking joint arranged at the end of the outer wall of the first column, a concave groove is provided at the upper part of the outer wall of the docking joint, a docking part is slidably inserted in the concave groove, a connecting hole is provided through the center of the upper part of the outer wall of the docking part, and multiple docking parts are snap-connected with each other, and a positioning bolt is provided at the connecting hole for fixing the multiple docking parts to each other.

[0012] In the present invention, the staff engages the docking part into the concave groove, fixes the docking part and the concave groove with bolts, and engages another docking part again above the docking part according to actual usage, and splices and fixes the two with positioning bolts, thereby changing the height of contact with the outside of the workpiece to be processed and improving the applicability of the device.

[0013] Preferably, a plurality of second mounting holes are provided through the outer wall of the processing base, a threaded column is provided at the second mounting hole and located in the positioning cavity, a positioning handle is provided at the middle and lower part of the outer wall of the threaded column, and a blocking member is provided on the outer wall of the threaded column for being tightly attached to the inner wall of the positioning cavity.

[0014] In the present invention, the blocking member is placed in a positioning cavity pre-opened on the workpiece to be processed, and the threaded column is inserted into the second mounting hole. The blocking member is fixed to the processing base through the positioning handle, thereby achieving internal fixation of the workpiece to be processed.

[0015] Preferably, the blocking member includes an adjusting disk arranged in the positioning cavity, the adjusting disk is provided with a through hole for the threaded column to slide into, a limiting plate with a diameter larger than the through hole is formed on the top of the threaded column, and a contact ring is rotatably provided on the outer wall of the adjusting disk for contacting the inner wall of the positioning cavity.

[0016] In the present invention, the adjusting disk is threadedly fixed to the first splicing ring and the second splicing ring by threads, so that the threaded column is conveniently inserted into the through hole and the second mounting hole. The limit plate and the processing base can jointly constitute the upper and lower limit of the adjusting disk.

[0017] Preferably, the contact ring includes a first splicing ring and a second splicing ring respectively arranged at the upper and lower middle parts of the adjustment disk, annular cavities are provided on opposite surfaces of the first splicing ring and the second splicing ring, an extension opening communicating with the outside is provided through the inner wall of the annular cavity, a tightening block is provided slidingly in the extension opening, the tightening block has a first inclined block deep into the annular cavity, a connecting opening for communicating with the annular cavity is provided at the top of the outer wall of the first splicing ring, a second inclined block is provided slidingly at the connecting opening, and the second inclined block is used to squeeze the first inclined block to cause the tightening block to displace.

[0018] In the present invention, the second oblique block is fixed to the second splicing ring by bolts. During this period, the second oblique block is squeezed with the first oblique block, thereby pushing the pressing block to both sides, thereby achieving pressing between the pressing block and the positioning cavity.

[0019] The present invention also provides a working method of a milling composite device for processing special-shaped thin-walled parts, comprising the following steps: S1: Place the workpiece to be processed into the processing base; S2: The external positioning mechanism will automatically fit according to the outer wall surface of the workpiece to be processed; S3: Start the telescopic motor to drive the lifting plate to limit the positioning state of the external positioning mechanism; S4: Insert the inner positioning mechanism into the positioning cavity and connect it to the processing base.

[0020] In the present invention, the internal positioning mechanism and the external positioning mechanism are used to realize multi-directional positioning of the workpiece, thereby ensuring the fixation stability of the workpiece by the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the device body in Example 1; Figure 2 Schematic diagram of the main frame in Example 1; Figure 3 Schematic diagram of the installation ring in Example 1; Figure 4 is a schematic diagram of the first column in Example 1; Figure 5 This is a schematic diagram of the telescopic motor in Example 1; Figure 6 Schematic diagram of the threaded column in Example 1; Figure 7 Schematic diagram of the blocking member in Example 1; Figure 8is a schematic diagram of the fourth column in Example 1; Figure 9 Schematic diagram of the butt joint in Example 1.

[0022] In the figure: 100, device body; 110, main frame; 120, processing base; 130, workpiece to be processed; 310, mounting ring; 320, external positioning mechanism; 131, positioning cavity; 330, internal positioning mechanism; 410, first mounting hole; 420, first column; 440, contact member; 430, second column; 450, third column; 460, spring; 470, fourth column; 480, positioning hole; 510, telescopic motor; 511, lifting plate; 512, fifth column; 910 , butt joint; 920, concave groove; 930, docking part; 940, connecting hole; 950, positioning bolt; 530, second mounting hole; 610, threaded column; 620, positioning handle; 630, blocking member; 710, whole plate; 720, through hole; 730, limit plate; 740, contact ring; 750, first splicing ring; 760, second splicing ring; 770, annular cavity; 771, extension port; 772, tightening block; 773, first oblique block; 780, connecting port; 790, second oblique block. DETAILED DESCRIPTION

[0023] In order to further understand the content of the present invention, the present invention is described in detail with reference to the embodiments. It should be understood that the embodiments are merely for explanation of the present invention and are not intended to limit the present invention.

[0024] Example 1 like Figure 1-Figure 3 As shown, this embodiment provides a milling composite device based on processing special-shaped thin-walled parts, which includes a device body 100, and the device body 100 includes a main frame 110, a processing base 120 is provided at the main frame 110, and a workpiece to be processed 130 is provided at the processing base 120; a mounting ring 310 is formed at the processing base 120, and a plurality of external positioning mechanisms 320 for positioning the outer wall of the workpiece to be processed 130 can be movably provided at the mounting ring 310; the workpiece to be processed 130 has a positioning cavity 131, and an internal positioning mechanism 330 is provided at the processing base 120 for penetrating into the positioning cavity 131 to realize positioning of the inner wall of the workpiece to be processed 130.

[0025] The present invention discloses a milling compound device based on the processing of special-shaped thin-walled parts. By placing the workpiece 130 to be processed on the processing base 120, and then using the external positioning mechanism 320 and the internal positioning mechanism 330 to limit the internal and external positions of the workpiece 130, compared with the existing technology, the present application fixes the workpiece 130 by clamping the internal and external positions. When fixing the workpieces such as thin-walled parts that are more prone to deformation, it can not only ensure the stability of the clamping, but also avoid excessive deformation of the workpiece itself.

[0026] Combine Figure 2-Figure 9 As shown, in this embodiment, a plurality of first mounting holes 410 are formed through the inner wall of the mounting ring 310, and the external positioning mechanism 320 includes a first column 420 slidably arranged in the first mounting hole 410, and a contact piece 440 is provided at the outer wall end of the first column 420 for pressing and fixing the outer wall of the workpiece 130 to be processed, a second column 430 is vertically provided on the outer wall of the first column 420 at the opposite end of the contact piece 440, a third column 450 is provided at the bottom of the outer wall of the processing base 120, and a spring 460 is provided between the second column 430 and the third column 450 for pulling the contact piece 440 to move; a fourth column 470 is provided at the outer wall end of the second column 430, and a plurality of positioning holes 480 are axially penetrated through the outer wall of the fourth column 470, a telescopic motor 510 is provided at the bottom of the inner wall of the main frame 110, and a lifting plate 511 is provided at the driving end of the telescopic motor 510, and a plurality of fifth columns 512 that are equidistantly provided at the bottom of the outer wall of the lifting plate 511 and penetrate into the positioning holes 480.

[0027] Through the above structure, when the workpiece 130 is externally clamped, the third column 450 pulls the second column 430 to move through the spring 460, so that the first column 420 moves toward the workpiece 130, and the contact member 440 will fit according to the different shapes of the outer wall of the workpiece 130 to achieve rapid pre-fixation of the outer wall of the workpiece 130; at the same time, when the device is pre-fixed, the telescopic motor 510 is started through the control panel to make the lifting plate 511 move upward, and the fifth column 512 on the lifting plate 511 is inserted into the positioning hole 480 to achieve rapid fixation of the fourth column 470 with different extension lengths, thereby improving the external fixation efficiency of the device.

[0028] Combine Figure 2-7 As shown, in this embodiment, the contact member 440 includes a docking joint 910 arranged at the end of the outer wall of the first column 420, a concave groove 920 is provided at the upper part of the outer wall of the docking joint 910, a docking part 930 is slidably inserted in the concave groove 920, a connecting hole 940 is opened through the center of the upper part of the outer wall of the docking part 930, and multiple docking parts 930 are snap-connected with each other, and a positioning bolt 950 is provided at the connecting hole 940 for fixing the multiple docking parts 930 to each other.

[0029] Through the above structure, when clamping and fixing the outside of the workpiece 130 to be processed of different thicknesses, the staff will engage the docking part 930 into the concave groove 920, fix the docking part 930 and the concave groove 920 with bolts, and engage another docking part 930 again above the docking part 930 according to actual usage, and splice and fix the two with positioning bolts 950, so as to change the height of contact with the outside of the workpiece 130 to improve the applicability of the device.

[0030] Combine Figure 2-Figure 7 As shown, in this embodiment, a plurality of second mounting holes 530 are opened through the outer wall of the processing base 120, and a threaded column 610 located in the positioning cavity 131 is provided at the second mounting hole 530, and a positioning handle 620 is provided at the middle and lower part of the outer wall of the threaded column 610, and a blocking member 630 for tightly contacting the inner wall of the positioning cavity 131 is provided on the outer wall of the threaded column 610; the blocking member 630 includes an adjustment disk 710 arranged in the positioning cavity 131, and the adjustment disk 710 is provided with a through hole 720 for slidingly sleeved on the threaded column 610, and a limiting plate 730 with a diameter larger than the through hole 720 is formed on the top of the threaded column 610, and a contact ring 740 for contacting the inner wall of the positioning cavity 131 is rotatably provided on the outer wall of the adjustment disk 710.

[0031] Through the above structure, after the outside of the workpiece 130 is fixed, the blocking member 630 is placed in the positioning cavity 131 pre-opened on the workpiece 130, and the threaded column 610 is inserted into the second mounting hole 530, and the blocking member 630 is fixed to the processing base 120 through the positioning handle 620, so as to achieve the internal fixation of the workpiece 130 to be processed; at the same time, when there are multiple positioning cavities 131 on the workpiece 130 to be processed, the staff rotates the adjusting disk 710 so that the through hole 720 is connected with the second mounting hole 530, and the adjusting disk 710 is threadedly fixed to the first splicing ring 750 and the second splicing ring 760 by threads, so as to facilitate the insertion of the threaded column 610 into the through hole 720 and the second mounting hole 530, and the limit plate 730 and the processing base 120 can jointly constitute the upper and lower limit of the adjusting disk 710.

[0032] Combine Figure 1-Figure 7 As shown, in this embodiment, the contact ring 740 includes a first splicing ring 750 and a second splicing ring 760 respectively provided at the upper and middle parts of the adjustment disk 710, and an annular cavity 770 is provided on the opposite surfaces of the first splicing ring 750 and the second splicing ring 760. An extension opening 771 communicating with the outside is provided through the inner wall of the annular cavity 770, and a tightening block 772 is slidably provided in the extension opening 771; the tightening block 772 has a first inclined block 773 that penetrates into the annular cavity 770, and a connecting port 780 for communicating with the annular cavity 770 is provided at the top of the outer wall of the first splicing ring 750, and a second inclined block 790 is slidably provided at the connecting port 780, and the second inclined block 790 is used to squeeze the first inclined block 773 to cause the tightening block 772 to displace.

[0033] Through the above structure, the blocking member 630 is placed in the positioning cavity 131, and the pressing block 772 is squeezed to make the pressing block 772 in the extension port 771 move toward the inner wall of the positioning cavity 131, thereby fitting with the inner wall of the positioning cavity 131, ensuring the stability of the blocking member 630 in positioning the workpiece 130; at the same time, the second oblique block 790 is placed in the connecting port 780, and the second oblique block 790 and the second splicing ring 760 are fixed by bolts. During this period, the second oblique block 790 will be squeezed with the first oblique block 773, thereby pushing the pressing block 772 to both sides, thereby achieving the pressing between the pressing block 772 and the positioning cavity 131.

[0034] The present invention also provides a working method of a milling composite device based on processing of special-shaped thin-walled parts, comprising the following steps: S1: placing a workpiece 130 to be processed into a processing base 120; S2: The external positioning mechanism 320 automatically fits the workpiece 130 according to its outer wall surface; S3: Start the telescopic motor 510 to drive the lifting plate 511 to limit the positioning state of the external positioning mechanism 320; S4: Insert the inner positioning mechanism 330 into the positioning cavity 131 and connect it to the processing base 120 .

[0035] Through the above structure, the internal positioning mechanism 330 and the external positioning mechanism 320 are used to limit the workpiece 130 in multiple directions, thereby ensuring the stability of the device in fixing the workpiece 130.

[0036] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, certain improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of this template.

[0037] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore, cannot be understood as limiting the present invention. In addition, "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0038] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0039] The above is a detailed description of an embodiment of the present invention. However, the content described is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A milling compound device based on processing of special-shaped thin-walled parts, characterized in that: The device comprises a device body (100), the device body (100) comprises a main frame (110), a processing base (120) is provided at the main frame (110), and a workpiece to be processed (130) is provided at the processing base (120); A mounting ring (310) is formed at the processing base (120), and a plurality of external positioning mechanisms (320) for positioning the outer wall of the workpiece (130) to be processed are movably provided at the mounting ring (310); The workpiece to be processed (130) has a positioning cavity (131), and an inner positioning mechanism (330) is provided at the processing base (120) for penetrating into the positioning cavity (131) to achieve positioning of the inner wall of the workpiece to be processed (130).

2. A milling compound device for machining special-shaped thin-walled parts according to claim 1, characterized in that: A plurality of first mounting holes (410) are provided through the inner wall of the mounting ring (310), and the external positioning mechanism (320) includes a first column (420) slidably arranged in the first mounting hole (410), a contact member (440) for pressing and fixing the outer wall of the workpiece (130) to be processed is provided at the end of the outer wall of the first column (420), a second column (430) is vertically provided on the outer wall of the first column (420) at the opposite end of the contact member (440), a third column (450) is provided at the bottom of the outer wall of the processing base (120), and a spring (460) for pulling the contact member (440) to move is provided between the second column (430) and the third column (450).

3. The milling compound device for machining special-shaped thin-walled parts according to claim 2, characterized in that: A fourth column (470) is provided at the end of the outer wall of the second column (430), and a plurality of positioning holes (480) are provided through the outer wall of the fourth column (470) along the axial direction. A telescopic motor (510) is provided at the bottom of the inner wall of the main frame (110), and a lifting plate (511) is provided at the driving end of the telescopic motor (510). A plurality of fifth columns (512) are provided at equal intervals at the bottom of the outer wall of the lifting plate (511) and are embedded in the positioning holes (480).

4. The milling compound device for machining special-shaped thin-walled parts according to claim 2, characterized in that: The contact member (440) includes a docking joint (910) provided at the end of the outer wall of the first column (420), a concave groove (920) is provided at the upper portion of the outer wall of the docking joint (910), a docking portion (930) is slidably inserted in the concave groove (920), a connecting hole (940) is provided through the center of the upper portion of the outer wall of the docking portion (930), a plurality of docking portions (930) are snap-connected to each other, and a positioning bolt (950) is provided at the connecting hole (940) for fixing the plurality of docking portions (930) to each other.

5. The milling compound device for machining special-shaped thin-walled parts according to claim 1, characterized in that: A plurality of second mounting holes (530) are provided through the outer wall of the processing base (120), a threaded column (610) is provided at the second mounting hole (530) and is located in the positioning cavity (131), a positioning handle (620) is provided at the middle and lower part of the outer wall of the threaded column (610), and a blocking member (630) is provided on the outer wall of the threaded column (610) for being tightly attached to the inner wall of the positioning cavity (131).

6. The milling compound device for machining special-shaped thin-walled parts according to claim 5, characterized in that: The blocking member (630) includes an adjusting disk (710) disposed in the positioning cavity (131), the adjusting disk (710) being provided with a through hole (720) for the threaded column (610) to be slidably sleeved, a limiting plate (730) having a diameter larger than the through hole (720) being formed on the top of the threaded column (610), and a contact ring (740) being rotatably provided on the outer wall of the adjusting disk (710) for contacting the inner wall of the positioning cavity (131).

7. The milling compound device for machining special-shaped thin-walled parts according to claim 6, characterized in that: The contact ring (740) includes a first splicing ring (750) and a second splicing ring (760) respectively arranged at the upper middle part and the lower middle part of the adjustment plate (710). An annular cavity (770) is provided on the opposite surfaces of the first splicing ring (750) and the second splicing ring (760). An extension opening (771) communicating with the outside is provided through the inner wall of the annular cavity (770). A pressing block (772) is provided slidingly in the extension opening (771). The pressing block (772) has a first inclined block (773) extending deep into the annular cavity (770). A connecting port (780) for communicating with the annular cavity (770) is provided at the top of the outer wall of the first splicing ring (750). A second inclined block (790) is provided slidingly at the connecting port (780). The second inclined block (790) is used to squeeze the first inclined block (773) so as to cause the pressing block (772) to move.

8. A working method of a milling compound device for processing special-shaped thin-walled parts, characterized in that: The following steps are involved: S1: placing the workpiece to be processed (130) into the processing base (120); S2: The external positioning mechanism (320) automatically fits the workpiece (130) according to the outer wall surface; S3: starting the telescopic motor (510) to drive the lifting plate (511) to limit the positioning state of the external positioning mechanism (320); S4: Insert the inner positioning mechanism (330) into the positioning cavity (131) and connect it to the processing base (120).

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