CN115070468B - Multi-station automatic rotary positioning structure - Google Patents
Multi-station automatic rotary positioning structure Download PDFInfo
- Publication number
- CN115070468B CN115070468B CN202210847814.3A CN202210847814A CN115070468B CN 115070468 B CN115070468 B CN 115070468B CN 202210847814 A CN202210847814 A CN 202210847814A CN 115070468 B CN115070468 B CN 115070468B
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- cnc
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- 238000007789 sealing Methods 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 230000001174 ascending effect Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/02—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of drums or rotating tables or discs
Abstract
The invention relates to the field of jigs, in particular to a multi-station automatic rotary positioning structure which comprises a CNC base, a rotary pull-down cylinder and a product positioning module, wherein a cylinder connecting rod and a floating pull head are sequentially connected with the driving end of the rotary pull-down cylinder through the CNC base; the CNC base upper surface still is equipped with the disc subassembly, the disc upper surface is equipped with the draw-in groove that holds the floating pull head both ends, locating pin and location knot are still installed to the CNC base, disc lower surface both sides are equipped with the arc spacing groove, are equipped with the constant head tank all around, floating pull head both ends joint is in the draw-in groove of disc upper surface. The multi-station automatic rotary positioning structure is driven by adopting the rotary pull-down cylinder and combines the positioning buckle and the clamping groove of the disc, so that the positioning accuracy reaches 0.01mm; the floating pin and the rolling steel balls flexibly support against the disc, so that the stability of the whole set of structure in ascending, descending and rotating is improved; in addition, the sealing ring structure is added, so that the structure is suitable for dust environment.
Description
Technical Field
The invention relates to the field of jigs, in particular to a multi-station automatic rotary positioning structure.
Background
At present, the Bluetooth earphone shell needs to process characteristics of 5 faces, the processing precision of the 5 faces is +/-0.02 mm, and the repeated positioning precision of a mechanism is +/-0.01 mm. The existing market scheme is to use standard 5-axis CNC or modified single-station 4.5-axis and power tool handles, so that the equipment cost is high and the efficiency is low.
Disclosure of Invention
In order to solve the problems, the invention provides a multi-station automatic rotary positioning structure, which solves the problems of high cost and low efficiency of a single-station 4.5 shaft of a traditional CNC jig.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a multistation automatic rotary positioning structure, includes CNC base, rotatory pull-down cylinder and product positioning module, rotatory pull-down cylinder sets up in CNC base lower extreme, product positioning module sets up in CNC base upper end, rotatory pull-down cylinder upper end is connected with CNC base lower extreme through the cylinder connecting plate, rotatory pull-down cylinder drive end has run through CNC base and has connected gradually cylinder connecting rod, floating pull head; the CNC base upper surface still is equipped with the disc subassembly, the disc subassembly includes the disc and surrounds the protective cover around the disc, the disc upper surface is equipped with the draw-in groove that holds floating pull head both ends, locating pin and location knot are still installed to the CNC base, disc lower surface both sides are equipped with the arc spacing groove that corresponds with the locating pin, are equipped with the constant head tank that corresponds with the location knot all around, floating pull head both ends joint is in the draw-in groove of disc upper surface, still be equipped with spring, floating pin between cylinder connecting plate and the disc lower extreme, spring one end is connected with cylinder connecting plate upper end, the other end and floating pin bottom joint, floating pin upper end is equipped with the steel ball and runs through the CNC base and pass through steel ball and disc bottom contact, lower extreme and CNC base upper and lower movable joint.
Further, the rotary pull-down cylinder driving end enables the disc to descend and the locating buckle to be inserted into the locating groove through the cylinder connecting rod pull-down floating pull head, the spring is in a compressed state at the moment, and after the rotary pull-down cylinder driving end pushes up the floating pull head through the cylinder connecting rod, the spring enables the floating pin to push up the disc under the action of elastic force and the locating groove is separated from the locating buckle.
Further, CNC base includes four-axis connection valve blue, location bottom plate and backup pad, location bottom plate left side is connected with four-axis connection valve blue, the backup pad is connected with both sides around the location bottom plate, the disc subassembly sets up on the location bottom plate.
Further, the safety cover includes upper protective cover and lower floor's safety cover, the lower floor's safety cover is fixed on CNC base surface to cup joint at the disc surface, the upper protective cover cup joints on lower floor's safety cover surface, and the upper end is fixed with the disc, still be equipped with the sealing washer between upper protective cover and the lower floor's safety cover.
Wherein, the disc upper surface still is equipped with the tool connecting pin that is used for being connected with the product positioning module.
Further, the product positioning module comprises a product fixing seat, a product positioning block and a cover plate, the cover plate is connected with the side face of the product fixing seat, the product positioning block is arranged between the product fixing seat and the cover plate, a vacuum air suction inlet is arranged on the other side face of the product fixing seat, and an air pipe joint is arranged on the vacuum air suction inlet.
The two sides of the cover plate are respectively inserted with a bushing, and the bushing is provided with a bushing hole which is convenient for the manipulator to grasp.
The bottom of the product fixing seat is provided with an extension part in the horizontal direction, the surface of the extension part is provided with a connecting hole, and the side surface of the extension part is also provided with an air pipe pressing buckle.
The guide pin is arranged between the product fixing seat and the cover plate, and the positioning pin is arranged between the product positioning block and the cover plate.
Further, a speed regulating valve is arranged on the surface of the rotary pull-down cylinder.
The invention has the beneficial effects that: the multi-station automatic rotary positioning structure is driven by adopting the rotary pull-down cylinder and combines the positioning buckle and the clamping groove of the disc, so that the positioning accuracy reaches 0.01mm; the floating pin and the rolling steel balls flexibly support against the disc, so that the stability of the whole set of structure in ascending, descending and rotating is improved; in addition, increase sealing washer structure, make the structure adapt to dust environment and use to ingenious setting up supplementary spacer pin improves structure life.
Drawings
Fig. 1 is a schematic diagram of the overall positioning structure of the present embodiment.
Fig. 2 is a schematic structural diagram of a product positioning module according to the present embodiment.
Fig. 3 is another schematic structural diagram of the product positioning module of the present embodiment.
FIG. 4 is a schematic diagram showing the action of tensioning the B-side of the disc work product according to this embodiment.
Fig. 5 is a schematic diagram of a CNC four-axis rotary machined product a-side motion according to the present embodiment.
Fig. 6 is a schematic diagram of the D-surface motion of the CNC four-axis rotary machined product of the present embodiment.
Fig. 7 is a schematic diagram of an action structure in which the CNC four-axis rotation and the cylinder driving end push up in the present embodiment.
FIG. 8 is a schematic view of the action of the tensioning disc of this embodiment on the C-side of the fabricated product.
Fig. 9 is a schematic diagram of the E-plane motion of the CNC four-axis rotary machined product of the present embodiment.
Fig. 10 is a schematic view of the structure of the CNC base, rotary pull-down cylinder and disc assembly of the present embodiment.
Fig. 11 is an exploded view of the rotational positioning structure of the present embodiment.
Fig. 12 is a schematic view of the structure of the positioning base plate, rotary pull-down cylinder and disc pack of the present embodiment.
Fig. 13 is a schematic view of the structure of the disk of the present embodiment.
Fig. 14 is a cross-sectional view of the positioning base plate, rotary pull-down cylinder and disc pack of the present embodiment.
Fig. 15 is another cross-sectional view of the positioning base, rotary pull-down cylinder and disc assembly of the present embodiment.
Fig. 16 is an exploded view of the product positioning module of the present embodiment.
Reference numerals illustrate: CNC base; 11. the four shafts are connected with a valve flange; 12. positioning a bottom plate; 13, supporting the plate; 2. rotating a pull-down cylinder; 21. a cylinder connecting plate; 22. a cylinder connecting rod; 23. a floating slider; 24. a speed regulating valve; 3. a product positioning module; 31. a product fixing seat; 311. a vacuum suction inlet; 312. an air pipe joint; 313. an extension; 3131. a connection hole; 3132. air pipe pressing buckle; 32. a product positioning block; 33. a cover plate; 331. a bushing; 332. a liner hole; 34. a guide pin; 35. a positioning pin; 4. a disc assembly; 41. a disc; 411. a clamping groove; 412. a limit groove; 413. a positioning groove; 42. a protective cover; 421. an upper protective cover; 422. a lower protective cover; 423. a seal ring; fifthly, limiting pins; 6. a positioning buckle; 7. a spring; 8. a floating pin; 9. steel balls; 10. and a jig connecting pin.
Detailed Description
The invention will be described in further detail below with reference to the drawings by means of specific embodiments. This application may be embodied in many different forms and is not limited to the implementations described in this example. The following detailed description is provided to facilitate a more thorough understanding of the present disclosure, in which words of upper, lower, left, right, etc., indicating orientations are used solely for the illustrated structure in the corresponding figures.
Referring to fig. 1-16, the invention relates to a multi-station automatic rotation 90-degree positioning structure, which comprises a CNC base 1, a rotary pull-down cylinder 2 and a product positioning module 3, wherein the rotary pull-down cylinder 2 is arranged at the lower end of the CNC base 1, the product positioning module 3 is arranged at the upper end of the CNC base 1, the upper end of the rotary pull-down cylinder 2 is connected with the lower end of the CNC base 1 through a cylinder connecting plate 21, and the driving end of the rotary pull-down cylinder 2 penetrates through the CNC base 1 to be sequentially connected with a cylinder connecting rod 22 and a floating pull head 23; the CNC base 1 upper surface still is equipped with disc subassembly 4, disc subassembly 4 includes disc 41 and surrounds disc 41 around safety cover 42, disc 41 upper surface is equipped with the draw-in groove 411 that holds floating pull head 23 both ends, locating pin 5 and location knot 6 are still installed to CNC base 1, disc 41 lower surface both sides are equipped with the arc spacing groove 412 that corresponds with locating pin 5, are equipped with the constant head tank 413 that corresponds with location knot 6 all around, floating pull head 23 both ends joint is in the draw-in groove 411 of disc 41 upper surface, still be equipped with spring 7, floating pin 8 between cylinder connecting plate 21 and the disc 41 lower extreme, spring 7 one end is connected with cylinder connecting plate 21 upper end, and the other end and floating pin 8 bottom joint, floating pin 8 upper end is equipped with steel ball 9 and runs through CNC base 1 and contacts with disc 41 bottom through 9, lower extreme and CNC base 1 activity joint from top to bottom. Wherein, the surface of the rotary pull-down cylinder 2 is provided with a speed regulating valve 24.
Preferably, the embodiment adopts 8 springs 7 and a floating pin 8, and the head of the floating pin 8 is provided with a movable steel ball 9 for jacking up the disc 41, so as to ensure the stability of the disc 41 in ascending, descending and rotating. In the multi-station automatic rotation 90-degree positioning structure of the embodiment, 4 positioning grooves 413 and 4 positioning buckles 6 are matched with the XY direction of the positioning mechanism, so that the positioning accuracy is 0.01mm, and the repeated positioning accuracy is 0.01mm. The driving end of the rotary pull-down cylinder 2 pulls down the floating pull head 23 through the cylinder connecting rod 22 to enable the disc 41 to descend and the locating buckle 6 to be inserted into the locating groove 413, so that the disc 41 and the locating bottom plate 12 of the CNC base 1 are leveled, the spring 7 is in a compressed state at the moment, and after the driving end of the rotary pull-down cylinder 2 pushes up the floating pull head 23 through the cylinder connecting rod 22, the spring 7 enables the floating pin 8 to push up against the disc 41 under the action of elastic force and the locating groove 413 is separated from the locating buckle 6. In addition, the spring coefficient of the spring 7 of the embodiment is 0.3N/mm, the precompression is 10mm, 3X8 = 24N, and the spring force 4.5X8 = 36N after the cylinder is tensioned.
In this embodiment, the CNC base 1 includes a four-axis connection flange 11, a positioning base plate 12, and a support plate 13, wherein the left side of the positioning base plate 12 is connected with the four-axis connection flange 11, the support plate 13 is connected with the front and rear sides of the positioning base plate 12, and the disc assembly 4 is disposed on the positioning base plate 12. Wherein, the safety cover 42 includes upper protective cover 421 and lower floor's safety cover 422, lower floor's safety cover 422 is fixed on CNC base 1 surface to cup joint at disc 41 surface, upper protective cover 421 cup joints on lower floor's safety cover 422 surface, and the upper end is fixed with disc 41, still be equipped with sealing washer 423 between upper protective cover 421 and the lower floor's safety cover 422, make the structure adapt to dust environment and use.
In this embodiment, the product positioning module 3 includes a product fixing seat 31, a product positioning block 32, and a cover plate 33, the cover plate 33 is movably connected with a side surface of the product fixing seat 31, the product positioning block 32 is disposed between the product fixing seat 31 and the cover plate 33, a vacuum suction inlet 311 is installed on the other side surface of the product fixing seat 31, and an air pipe joint 312 is installed on the vacuum suction inlet 311. The two sides of the cover plate 33 are respectively inserted with a bushing 331, the bushing 331 is provided with a bushing hole 332 for facilitating grabbing by a manipulator, a guide pin 34 is arranged between the product fixing seat 31 and the cover plate 33 and is connected with the product fixing seat through the guide pin 34, and a positioning pin 35 is arranged between the product positioning block 32 and the cover plate 33 and is positioned through the positioning pin 35. In addition, the bottom of the product fixing seat 31 is provided with a horizontal extension portion 313, the surface of the extension portion 313 is provided with a connecting hole 3131, the side surface of the extension portion 313 is further provided with an air pipe pressing button 3132, and the upper surface of the disc 41 is further provided with a jig connecting pin 10 for connecting with the connecting hole 3131 of the product positioning module 3.
When the product positioning module 3 is used, a product is manually loaded on the product positioning block 32, then four bushing holes 332 on the side edge of the cover plate 33 are grasped by a manipulator, positioning pins 35 of the product fixing seat 31 are loaded in the product positioning module, the action of loading the cover plate 33 into the product fixing seat 31 is completed, finally the cover plate 33 is sucked by the vacuum suction inlet 311, and automatic production is realized by matching with the manipulator.
The workflow of the positioning structure of the embodiment is as follows: the initial state is 0 DEG, the rotary pull-down cylinder 2 is tensioned, the upper cover plate 33 is arranged, the vacuum suction is carried out, the front side, the top side and the back side are processed, the top side of the rotary pull-down cylinder 2 is rotated for 90 DEG, the two side surfaces are processed, the top side of the rotary pull-down cylinder 2 is rotated for-90 DEG, the vacuum suction is cut off, and the cover plate 33 is taken out, and the cycle is carried out.
As a preferred embodiment, 4 groups of disc assemblies 4 and product positioning modules 3 can be arranged on the positioning bottom plate 12 of the CNC base 1, the characteristics of five surfaces are processed by using the existing four-axis CNC machine, the novel four-hole rotary automatic 90-degree precise positioning structure is simple in structure, simple to operate, repeated positioning accuracy is +/-0.01 mm, five surfaces A, B, C, D, E can be processed by one-time clamping, and automatic production is realized by matching with a mechanical arm, for example, when matched with equipment to work, the action process is as follows:
1) At 0.5 mpa, the rotary pull-down cylinder 2 pulls f1=40kg, tensioning the disc 41 and working the B-side of the product as shown in fig. 4.
2) The CNC four-axis rotating shaft rotates 90 degrees clockwise, and the A surface of the product is machined, as shown in figure 5.
3) The CNC four-axis rotating shaft rotates 90 degrees clockwise, and the D surface of the product is machined, as shown in figure 6.
4) The CNC four-axis rotating shaft rotates 180 degrees anticlockwise, under the pressure of 0.5 megapascals, the pushing force F2=20KG on the rotary pull-down cylinder 2, the floating pin 8 and the rolling steel balls 8 flexibly prop against the disc 41, and the disc 41 positioning groove 413 is separated from the positioning buckle 6, as shown in fig. 7.
5) At 0.5 mpa, the pushing force f3=10kg of the pull-down cylinder 2 is rotated to enable the disc 41 to rotate 90 ° clockwise, and after the disc is rotated in place, the pulling force f1=40kg of the pull-down cylinder 2 is rotated to tighten the disc, so that the C surface of a product is processed, as shown in fig. 8.
6) The CNC four-axis rotating shaft rotates 180 degrees clockwise, and the E surface of the product is processed, as shown in figure 9.
7) And resetting sequentially after the processing is finished.
It is further to be understood that the terms "connected," "fixed," "disposed," and the like are to be construed broadly and, as appropriate, the specific meaning of such terms in the present invention will be understood by those of ordinary skill in the art, unless explicitly stated or otherwise limited.
The above embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the design of the present invention.
Claims (8)
1. A multistation autogiration location structure, its characterized in that: the automatic pulling device comprises a CNC base, a rotary pull-down cylinder and a product positioning module, wherein the rotary pull-down cylinder is arranged at the lower end of the CNC base, the product positioning module is arranged at the upper end of the CNC base, the upper end of the rotary pull-down cylinder is connected with the lower end of the CNC base through a cylinder connecting plate, and a cylinder connecting rod and a floating pull head are sequentially connected with the driving end of the rotary pull-down cylinder through the CNC base; the CNC machine tool comprises a CNC base, a disc assembly, a spring, a floating pin, a cylinder connecting plate, a clamping groove, a limiting pin, a positioning buckle, a positioning groove, a spring and a floating pin, wherein the disc assembly comprises a disc and a protective cover surrounding the periphery of the disc;
the rotary pull-down cylinder driving end pulls down the floating pull head through the cylinder connecting rod to enable the disc to descend and the locating buckle to be inserted into the locating groove, the spring is in a compressed state at the moment, and after the rotary pull-down cylinder driving end pushes up the floating pull head through the cylinder connecting rod, the spring enables the floating pin to push up the disc under the action of elastic force and the locating groove is separated from the locating buckle; the product positioning module comprises a product fixing seat, a product positioning block and a cover plate, wherein the cover plate is connected with the side face of the product fixing seat, the product positioning block is arranged between the product fixing seat and the cover plate, a vacuum air suction port is arranged on the other side face of the product fixing seat, and an air pipe joint is arranged on the vacuum air suction port.
2. The multi-station auto-rotating positioning structure according to claim 1, wherein: CNC base includes four-axis connection valve flange, positioning bottom plate and backup pad, positioning bottom plate left side is connected with four-axis connection valve flange, the backup pad is connected with both sides around the positioning bottom plate, the disc subassembly sets up on positioning bottom plate.
3. The multi-station auto-rotating positioning structure according to claim 1, wherein: the protection cover comprises an upper protection cover and a lower protection cover, the lower protection cover is fixed on the surface of the CNC base and sleeved on the outer surface of the disc, the upper protection cover is sleeved on the surface of the lower protection cover, the upper end of the upper protection cover is fixed with the disc, and a sealing ring is further arranged between the upper protection cover and the lower protection cover.
4. The multi-station auto-rotating positioning structure according to claim 1, wherein: the upper surface of the disc is also provided with a jig connecting pin for connecting with the product positioning module.
5. The multi-station auto-rotating positioning structure according to claim 1, wherein: the two sides of the cover plate are respectively inserted with a bushing, and the bushing is provided with a bushing hole which is convenient for the manipulator to grasp.
6. The multi-station auto-rotating positioning structure according to claim 1, wherein: the bottom of the product fixing seat is provided with an extension part in the horizontal direction, the surface of the extension part is provided with a connecting hole, and the side surface of the extension part is also provided with an air pipe pressing buckle.
7. The multi-station auto-rotating positioning structure according to claim 1, wherein: guide pins are arranged between the product fixing seat and the cover plate, and positioning pins are arranged between the product positioning blocks and the cover plate.
8. The multi-station auto-rotating positioning structure according to claim 1, wherein: and a speed regulating valve is arranged on the surface of the rotary pull-down cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210847814.3A CN115070468B (en) | 2022-07-19 | 2022-07-19 | Multi-station automatic rotary positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210847814.3A CN115070468B (en) | 2022-07-19 | 2022-07-19 | Multi-station automatic rotary positioning structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115070468A CN115070468A (en) | 2022-09-20 |
| CN115070468B true CN115070468B (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210847814.3A Active CN115070468B (en) | 2022-07-19 | 2022-07-19 | Multi-station automatic rotary positioning structure |
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| CN (1) | CN115070468B (en) |
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| CN115070468A (en) | 2022-09-20 |
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