CN212918978U - Multifunctional grinding equipment for aviation fasteners - Google Patents
Multifunctional grinding equipment for aviation fasteners Download PDFInfo
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- CN212918978U CN212918978U CN202021835260.8U CN202021835260U CN212918978U CN 212918978 U CN212918978 U CN 212918978U CN 202021835260 U CN202021835260 U CN 202021835260U CN 212918978 U CN212918978 U CN 212918978U
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Abstract
The utility model provides a polishing device for multifunctional aviation fasteners, which comprises a workbench, support columns, slide rails, a rotating motor, a shaft end support seat, a replaceable polishing frame structure, support rods, a sleeve, a clamping bolt, a protective cover structure, a slide plate, a vertical plate, a threaded pipe, a threaded rod and a fastener fixing frame structure, wherein the support columns are respectively bolted at the four corners of the lower part of the workbench; the slide rails are respectively connected to the front end and the rear end of the right side of the workbench through screws; the rotary motor is connected to the left side of the upper part of the workbench through a bolt; the shaft end supporting seat is connected to the upper part of the workbench through a bolt; the replaceable grinding frame structure is arranged on the right side of the rotating motor. The utility model has the advantages that: through the setting of installation pipe, installation pole, connecting plate and hexagon socket head cap screw, be favorable to conveniently dismantling the polishing disc, make its polishing tool that can change different models polish the fastener, and then make the function of this equipment more perfect.
Description
Technical Field
The utility model belongs to the technical field of the fastener processing, especially, relate to a multi-functional aviation fastener's equipment of polishing.
Background
The fastener is also called a standard part in the market, is a general name of a type of mechanical parts used when two or more parts are fastened and connected into a whole, and is characterized by various varieties and specifications, different performance and purposes and extremely high standardization, serialization and universalization degrees. The fastener is the most widely used mechanical basic member and has a large demand.
However, the existing grinding equipment for aviation fasteners also has the problems that grinding tools of other models are inconvenient to replace, the ground chips are inconvenient to clean, and fasteners of different sizes are inconvenient to fix.
Therefore, the invention is necessary to develop a multifunctional aviation fastener grinding device.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a multi-functional aviation fastener's equipment of polishing to solve the inconvenient grinding tool who changes other models of the equipment of polishing of current aviation fastener, inconvenient to the piece under polishing clear up and inconvenient carry out the problem of fixing to not unidimensional fastener. A polishing device for multifunctional aviation fasteners comprises a workbench, supporting columns, sliding rails, a rotating motor, a shaft end supporting seat, a replaceable polishing frame structure, supporting rods, a sleeve, clamping bolts, a protective cover structure, sliding plates, vertical plates, threaded pipes, threaded rods and a fastener fixing frame structure, wherein the supporting columns are respectively bolted at the four corners of the lower part of the workbench; the slide rails are respectively connected to the front end and the rear end of the right side of the workbench through screws; the rotary motor is connected to the left side of the upper part of the workbench through a bolt; the shaft end supporting seat is connected to the upper part of the workbench through a bolt; the replaceable grinding frame structure is arranged on the right side of the rotating motor; the supporting rod is arranged at the rear end of the rotating motor, and the lower part of the supporting rod is connected with the workbench through a bolt; the sleeve is respectively sleeved on the upper part and the lower part of the supporting rod; the clamping bolt is in threaded connection with the joint of the supporting rod and the sleeve; the protective cover structure is arranged on the right side of the sleeve; the sliding plates are respectively welded at the front end and the rear end of the lower part of the vertical plate; the vertical plate is arranged on the right side of the upper part of the workbench; the threaded pipe is embedded in the middle of the left side of the vertical plate; the threaded rod is in threaded connection with the inner side of the threaded pipe; the fastener fixing frame structure is arranged on the left side of the threaded rod; the replaceable polishing frame structure comprises an installation pipe, a fixing plate, a positioning hole, an installation rod, a connecting plate, a positioning block, a polishing disc and an inner hexagon bolt, wherein the fixing plate is welded on the upper part and the lower part of the right side of the installation pipe respectively; the positioning hole is formed in the inner side of the fixing plate; the mounting rod is inserted at the right side inside the mounting pipe; the connecting plate is welded on the right side of the mounting rod; the positioning blocks are respectively welded at the upper part and the lower part of the left side of the connecting plate; the polishing disc is connected to the right side of the connecting plate through a screw; the inner hexagon bolt is in threaded connection with the joint of the mounting pipe and the mounting rod.
Preferably, the protective cover structure comprises a protective shell, a left groove, a right groove, a fan, a debris storage box, a connecting pipeline, a mounting frame and an air outlet filter screen, wherein the left groove is formed in the left side of the lower part of the protective shell; the right groove is formed in the right side of the lower part of the protective shell; the fan is embedded in the lower part of the rear end of the protective shell; the scrap storage box is connected to the upper part of the protective shell through a screw; one end of the connecting pipeline is connected with an air outlet of the fan through a screw, and the other end of the connecting pipeline is connected with the upper part of the inner side of the scrap storage box through a screw; the mounting frames are respectively connected to the left side and the right side of the interior of the scrap storage box through screws; the air outlet filter screen is embedded in the middle of the mounting frame.
Preferably, the fastener fixing frame structure comprises a supporting plate, a through groove, a connecting rod, a clamping nut, a clamping frame and a positioning groove, wherein the through groove is respectively formed in the upper part and the lower part of the inner side of the supporting plate; the connecting rod is transversely inserted into the inner side of the through groove; the clamping nut is in threaded connection with the right side of the connecting rod; the clamping frames are respectively welded on the left side inside the connecting rod; the locating slot is arranged on the inner side of the clamping frame.
Preferably, the inside left side bolted connection of support column has spare part replacement case to the upper portion of spare part replacement case is provided with the opening, the intermediate position of slide transversely seted up the spout, the lower part left and right sides of slide respectively threaded connection have fixing bolt, the right side screw connection of threaded rod have the hand wheel.
Preferably, the longitudinal section of the sliding plate is a U-shaped plate with an opening facing the workbench, the sliding plate is respectively arranged at the front end and the rear end of the right side of the workbench, and the sliding rail is inserted into the inner side of the sliding groove.
Preferably, the sleeve is welded at the upper part and the lower part of the rear end of the left side of the protective shell respectively, and the protective shell is arranged at the upper part of the shaft end supporting seat.
Preferably, the threaded rod is bolted at the right middle position of the support plate.
Preferably, the mounting pipe penetrates through the shaft end supporting seat to be connected with an output shaft coupler of the rotating motor, and the positioning block is inserted into the inner side of the positioning hole.
Preferably, the upper part of the inner side of the shaft end supporting seat is provided with a bearing, and the mounting pipe is inserted in an inner ring of the bearing.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, installation pipe, installation pole, connecting plate and hexagon socket head cap screw's setting, be favorable to the convenience to dismantle the polishing dish, make its polishing tool that can change different models polish the fastener, and then make the function of this equipment more perfect.
2. The utility model discloses in, the setting of fixed plate, locating hole and locating piece, be favorable to fixing a position installation pole and connecting plate, prevent to install the pipe and fix the back with the installation pole, still can rotate relatively to influence the precision of polishing of this equipment.
3. The utility model discloses in, backup pad, lead to groove, connecting rod and clamping nut's setting, be favorable to the convenience to fix the fastener of equidimension not, increase the application scope of this equipment, and then improve the service function of this equipment.
4. The utility model discloses in, protective housing, fan, piece deposit the setting of case and connecting tube, be favorable to collecting the piece under adding man-hour to polishing, the piece that prevents to polish falls to the upper portion of workstation, inconvenient staff's clearance.
5. The utility model discloses in, the setting of mounting bracket and air-out filter screen, be favorable to depositing the piece that the incasement side was collected with the piece and take out, make things convenient for the staff to clear up the piece, do not influence the use next time simultaneously, and then increase this equipment to clastic clearance effect.
6. The utility model discloses in, the setting of screwed pipe, threaded rod and hand wheel, be favorable to the staff to finely tune the lateral shifting distance of work piece, prevent that the translation rate is too fast when polishing the work piece, influence the machining precision of work piece, and then improve the precision of polishing of this equipment to the fastener.
7. The utility model discloses in, slide rail, slide, spout and fixing bolt's setting, be favorable to the convenience to carry out the quick travel to the lateral position of fastener mount structure, save the time of fastener mount structure when removing to improve the work efficiency of this equipment.
8. The utility model discloses in, the setting of axle head supporting seat, be favorable to playing fixed mounting's effect to the installation pipe, make the installation pipe more steady when rotatory, prevent that the installation pipe from appearing rocking when rotatory to influence the precision of polishing of this equipment.
9. The utility model discloses in, spare part replacement case's setting, be favorable to the convenience to place the grinding tool of different models, pull down the back with the instrument when preventing to change grinding tool and put indiscriminately, lead to grinding tool to lose, influence the work of this equipment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the replaceable grinding frame structure of the present invention.
Fig. 3 is a schematic structural diagram of the protective cover structure of the present invention.
Fig. 4 is a schematic structural view of the fastener fixing frame structure of the present invention.
In the figure:
1. a work table; 2. a support pillar; 21. a spare part replacement box; 3. a slide rail; 4. a rotating electric machine; 5. a shaft end supporting seat; 6. the grinding frame structure can be replaced; 61. installing a pipe; 62. a fixing plate; 63. positioning holes; 64. mounting a rod; 65. a connecting plate; 66. positioning blocks; 67. grinding disc; 68. a hexagon socket head cap screw; 7. a support bar; 8. a sleeve; 9. clamping the bolt; 10. a protective cover structure; 101. a protective housing; 102. a left groove; 103. a right groove; 104. a fan; 105. a scrap storage bin; 106. connecting a pipeline; 107. a mounting frame; 108. an air outlet filter screen; 11. a slide plate; 111. a chute; 112. fixing the bolt; 12. a vertical plate; 13. a threaded pipe; 14. a threaded rod; 141. a hand wheel; 15. a fastener mount structure; 151. a support plate; 152. a through groove; 153. a connecting rod; 154. clamping the nut; 155. a clamping frame; 156. and (6) positioning a groove.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in fig. 1 and fig. 2, the multifunctional aviation fastener polishing device comprises a workbench 1, support columns 2, slide rails 3, a rotating motor 4, a shaft end support seat 5, a replaceable polishing frame structure 6, a support rod 7, a sleeve 8, a clamping bolt 9, a protective cover structure 10, a sliding plate 11, a vertical plate 12, a threaded pipe 13, a threaded rod 14 and a fastener fixing frame structure 15, wherein the support columns 2 are respectively bolted at four corners of the lower part of the workbench 1; the slide rails 3 are respectively connected to the front end and the rear end of the right side of the workbench 1 through screws; the rotating motor 4 is connected to the left side of the upper part of the workbench 1 through a bolt; the shaft end supporting seat 5 is connected to the upper part of the workbench 1 through a bolt; the replaceable grinding frame structure 6 is arranged on the right side of the rotating motor 4; the support rod 7 is arranged at the rear end of the rotating motor 4, and the lower part of the support rod is connected with the workbench 1 through a bolt; the sleeve 8 is respectively sleeved on the upper part and the lower part of the supporting rod 7; the clamping bolt 9 is in threaded connection with the joint of the support rod 7 and the sleeve 8; the protective cover structure 10 is arranged on the right side of the sleeve 8; the sliding plates 11 are respectively welded at the front end and the rear end of the lower part of the vertical plate 12; the vertical plate 12 is arranged on the right side of the upper part of the workbench 1; the threaded pipe 13 is embedded in the middle position of the left side of the vertical plate 12; the threaded rod 14 is in threaded connection with the inner side of the threaded pipe 13; the fastener fixing frame structure 15 is arranged on the left side of the threaded rod 14; the replaceable grinding frame structure 6 comprises an installation pipe 61, a fixing plate 62, a positioning hole 63, an installation rod 64, a connecting plate 65, a positioning block 66, a grinding disc 67 and an inner hexagon bolt 68, wherein the fixing plate 62 is respectively welded at the upper part and the lower part of the right side of the installation pipe 61; the positioning hole 63 is formed in the inner side of the fixing plate 62; the mounting rod 64 is inserted into the right side of the inside of the mounting tube 61; the connecting plate 65 is welded on the right side of the mounting rod 64; the positioning block 66 is respectively welded at the upper part and the lower part of the left side of the connecting plate 65; the grinding disc 67 is connected to the right side of the connecting plate 65 through screws; the inner hexagon bolt 68 is in threaded connection with the connecting position of the mounting tube 61 and the mounting rod 64; the hexagon socket head cap screw 68 is unscrewed, the connecting plate 65 is pulled towards the right side, the mounting rod 64 is pulled out from the inner side of the mounting pipe 61, and the workers can replace other polishing tools conveniently.
As shown in fig. 3, in the above embodiment, specifically, the protective cover structure 10 includes a protective casing 101, a left groove 102, a right groove 103, a fan 104, a debris storage box 105, a connecting pipe 106, a mounting frame 107 and an air outlet filter screen 108, where the left groove 102 is formed in the left side of the lower portion of the protective casing 101; the right groove 103 is formed in the right side of the lower part of the protective shell 101; the fan 104 is embedded in the lower part of the rear end of the protective shell 101; the debris storage box 105 is connected to the upper part of the protective shell 101 through screws; one end of the connecting pipeline 106 is connected with an air outlet of the fan 104 through a screw, and the other end of the connecting pipeline is connected with the upper part of the inner side of the scrap storage box 105 through a screw; the mounting frames 107 are respectively connected to the left side and the right side of the interior of the scrap storage box 105 through screws; the air outlet filter screen 108 is embedded in the middle of the mounting rack 107; the fan 104 sends the piece when will polishing into the inboard that the case 105 was deposited to the piece through connecting tube 106, unscrews the screw on the mounting bracket 107 to take off the mounting bracket 107, make things convenient for the staff to deposit the inside piece of case 105 and clear up to the piece.
As shown in fig. 4, in the above embodiment, specifically, the fastener fixing frame structure 15 includes a supporting plate 151, a through groove 152, a connecting rod 153, a clamping nut 154, a clamping frame 155 and a positioning groove 156, and the through groove 152 is respectively formed at the upper and lower parts of the inner side of the supporting plate 151; the connecting rod 153 is transversely inserted into the inner side of the through groove 152; the clamping nut 154 is in threaded connection with the right side of the connecting rod 153; the clamping frames 155 are respectively welded at the left side of the inner part of the connecting rod 153; the positioning groove 156 is arranged on the inner side of the clamping frame 155; the position of the connecting rod 153 inside the through groove 152 is adjusted, and then the clamping nut 154 is tightened so that it can fix fasteners of different sizes.
In the above embodiment, specifically, the inside of the supporting column 2 is bolted with the spare part replacement box 21 at the left side, an opening is arranged at the upper part of the spare part replacement box 21, a sliding groove 111 is transversely arranged at the middle position of the sliding plate 11, the left side and the right side of the lower part of the sliding plate 11 are respectively in threaded connection with the fixing bolt 112, and the right side of the threaded rod 14 is in screwed connection with the hand wheel 141.
In the above embodiment, specifically, the longitudinal section of the sliding plate 11 is a U-shaped plate with an opening facing the workbench 1, the sliding plates 11 are respectively disposed at the front and rear ends of the right side of the workbench 1, and the sliding rail 3 is inserted into the inner side of the sliding groove 111.
In the above embodiment, specifically, the sleeve 8 is welded to the upper and lower portions of the rear end of the left side of the protective casing 101, and the protective casing 101 is disposed on the upper portion of the shaft end support seat 5.
In the above embodiment, specifically, the threaded rod 14 is bolted to the middle position on the right side of the supporting plate 151.
In the above embodiment, specifically, the mounting tube 61 penetrates through the shaft end support base 5 to be coupled with the output shaft coupling of the rotating electrical machine 4, and the positioning block 66 is inserted into the positioning hole 63.
In the above embodiment, specifically, the bearing is disposed at the upper portion of the inner side of the shaft end support seat 5, and the mounting tube 61 is inserted into the inner ring of the bearing.
Principle of operation
The utility model discloses a theory of operation: when the device is used, a bolt is firstly placed on the left side of the supporting plate 151, then the positions of the connecting rod 153 and the clamping frame 155 are moved, the nut of the bolt is clamped on the inner side of the positioning groove 156, the clamping nut 154 is screwed down, the bolt is fixed on the left side of the supporting plate 151, then the fixing bolt 112 is unscrewed, the sliding plate 11 is moved leftwards, the supporting plate 151 is pushed to move leftwards through the vertical plate 12 and the threaded rod 14, the bolt is moved to the vicinity of the polishing disk 67, the fixing bolt 112 is screwed down, the protective shell 101 is moved downwards, the protective shell 101 is sleeved on the outer sides of the replaceable polishing frame structure 6 and the fastener fixing frame structure 15, the rotating motor 4 is started, the rotating motor 4 drives the mounting pipe 61 to rotate, the polishing disk 67 is driven to rotate through the mounting rod 64 and the connecting plate 65, a worker holds the hand wheel 141 to rotate the threaded rod 14, then the bolt is driven to approach the grinding disc 67, the grinding disc 67 is in contact with the surface of the bolt, the left end face of the bolt is ground, the fan 104 is started, the fan 104 rotates to suck the chips generated during grinding, then the chips are sent into the chip storage box 105 through the connecting pipeline 106, air flows out from the inner side of the air outlet filter screen 108 to block the chips on the inner side of the chip storage box 105, the screws on the mounting frame 107 are detached, the mounting frame 107 is taken down, workers can conveniently clean the chips on the inner side of the chip storage box 105, when the bolt needs to be ground by other tools, the hexagon socket head cap screw 68 is unscrewed, the connecting plate 65 is pulled to the right side, the mounting rod 64 is taken out from the inner side of the mounting pipe 61, the grinding tool needed to be used is taken out from the inner side of the spare part replacement box 21, the replaced grinding tool is put in, and the grinding tool can be prevented from being lost, different polishing tools are convenient to replace, polishing of different modes can be performed on the bolt, and the function of the equipment is more complete.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (9)
1. The multifunctional aviation fastener polishing equipment is characterized by comprising a workbench (1), supporting columns (2), a sliding rail (3), a rotating motor (4), a shaft end supporting seat (5), a replaceable polishing frame structure (6), a supporting rod (7), a sleeve (8), a clamping bolt (9), a protective cover structure (10), a sliding plate (11), a vertical plate (12), a threaded pipe (13), a threaded rod (14) and a fastener fixing frame structure (15), wherein the supporting columns (2) are respectively connected to the four corners of the lower part of the workbench (1) through bolts; the slide rails (3) are respectively connected to the front end and the rear end of the right side of the workbench (1) through screws; the rotating motor (4) is connected to the left side of the upper part of the workbench (1) through a bolt; the shaft end supporting seat (5) is connected to the upper part of the workbench (1) through a bolt; the replaceable grinding frame structure (6) is arranged on the right side of the rotating motor (4); the supporting rod (7) is arranged at the rear end of the rotating motor (4), and the lower part of the supporting rod is connected with the workbench (1) through a bolt; the sleeve (8) is respectively sleeved on the upper part and the lower part of the supporting rod (7); the clamping bolt (9) is in threaded connection with the joint of the supporting rod (7) and the sleeve (8); the protective cover structure (10) is arranged on the right side of the sleeve (8); the sliding plates (11) are respectively welded at the front end and the rear end of the lower part of the vertical plate (12); the vertical plate (12) is arranged on the right side of the upper part of the workbench (1); the threaded pipe (13) is embedded in the middle position of the left side of the vertical plate (12); the threaded rod (14) is in threaded connection with the inner side of the threaded pipe (13); the fastener fixing frame structure (15) is arranged on the left side of the threaded rod (14); the replaceable grinding frame structure (6) comprises an installation pipe (61), a fixing plate (62), a positioning hole (63), an installation rod (64), a connecting plate (65), a positioning block (66), a grinding disc (67) and an inner hexagon bolt (68), wherein the fixing plate (62) is welded on the upper part and the lower part of the right side of the installation pipe (61) respectively; the positioning hole (63) is formed in the inner side of the fixing plate (62); the mounting rod (64) is inserted into the right side of the inside of the mounting pipe (61); the connecting plate (65) is welded on the right side of the mounting rod (64); the positioning blocks (66) are respectively welded at the upper part and the lower part of the left side of the connecting plate (65); the polishing disc (67) is connected to the right side of the connecting plate (65) through screws; the inner hexagonal bolt (68) is in threaded connection with the connecting position of the mounting pipe (61) and the mounting rod (64).
2. The multifunctional aviation fastener grinding device according to claim 1, wherein the protective cover structure (10) comprises a protective casing (101), a left groove (102), a right groove (103), a fan (104), a debris storage box (105), a connecting pipeline (106), a mounting frame (107) and an air outlet filter screen (108), wherein the left groove (102) is formed in the lower left side of the protective casing (101); the right groove (103) is formed in the right side of the lower part of the protective shell (101); the fan (104) is embedded in the lower part of the rear end of the protective shell (101); the debris storage box (105) is connected to the upper part of the protective shell (101) through screws; one end of the connecting pipeline (106) is connected with an air outlet of the fan (104) through a screw, and the other end of the connecting pipeline is connected with the upper part of the inner side of the scrap storage box (105) through a screw; the mounting frames (107) are respectively connected to the left side and the right side of the interior of the scrap storage box (105) through screws; the air outlet filter screen (108) is embedded in the middle of the mounting frame (107).
3. The multifunctional aviation fastener grinding apparatus according to claim 1, wherein the fastener holder structure (15) includes a support plate (151), a through groove (152), a connecting rod (153), a clamping nut (154), a clamping holder (155) and a positioning groove (156), the through groove (152) is respectively opened at the upper and lower portions of the inner side of the support plate (151); the connecting rod (153) is transversely inserted into the inner side of the through groove (152); the clamping nut (154) is in threaded connection with the right side of the connecting rod (153); the clamping frames (155) are respectively welded on the left side of the interior of the connecting rod (153); the positioning groove (156) is arranged on the inner side of the clamping frame (155).
4. The multifunctional aviation fastener grinding equipment according to claim 1, wherein a spare part replacement box (21) is bolted to the left side inside the supporting column (2), an opening is formed in the upper portion of the spare part replacement box (21), a sliding groove (111) is transversely formed in the middle of the sliding plate (11), fixing bolts (112) are respectively screwed to the left side and the right side of the lower portion of the sliding plate (11), and a hand wheel (141) is screwed to the right side of the threaded rod (14).
5. The multifunctional aviation fastener grinding device according to claim 4, wherein the longitudinal section of the sliding plate (11) is a U-shaped plate with an opening facing the workbench (1), the sliding plates (11) are respectively arranged at the front end and the rear end of the right side of the workbench (1), and the sliding rail (3) is inserted into the inner side of the sliding groove (111).
6. The multifunctional grinding apparatus for aviation fasteners as claimed in claim 2, wherein said bushings (8) are welded to the upper and lower portions of the rear left end of the protective housing (101), respectively, and said protective housing (101) is disposed on the upper portion of the shaft end support base (5).
7. The multifunctional aerospace fastener finishing apparatus of claim 3 wherein the threaded shaft (14) is bolted to the support plate (151) at a right medial position.
8. The multifunctional aviation fastener grinding device according to claim 1, wherein the mounting tube (61) penetrates through the shaft end support base (5) to be coupled with an output shaft coupling of the rotating motor (4), and the positioning block (66) is inserted into the positioning hole (63).
9. The multifunctional grinding device for aviation fasteners as claimed in claim 1, wherein a bearing is provided at the upper inner side of the shaft end support base (5), and the mounting tube (61) is inserted into the inner ring of the bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021835260.8U CN212918978U (en) | 2020-08-27 | 2020-08-27 | Multifunctional grinding equipment for aviation fasteners |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021835260.8U CN212918978U (en) | 2020-08-27 | 2020-08-27 | Multifunctional grinding equipment for aviation fasteners |
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| CN212918978U true CN212918978U (en) | 2021-04-09 |
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| CN202021835260.8U Active CN212918978U (en) | 2020-08-27 | 2020-08-27 | Multifunctional grinding equipment for aviation fasteners |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370053A (en) * | 2021-05-12 | 2021-09-10 | 江苏永昊高强度螺栓有限公司 | Polishing device and method for optical axis bolt |
-
2020
- 2020-08-27 CN CN202021835260.8U patent/CN212918978U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113370053A (en) * | 2021-05-12 | 2021-09-10 | 江苏永昊高强度螺栓有限公司 | Polishing device and method for optical axis bolt |
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