CN116175251B - Equipment for rapidly positioning circle run-out for aviation aircraft manufacturing - Google Patents
Equipment for rapidly positioning circle run-out for aviation aircraft manufacturing Download PDFInfo
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- CN116175251B CN116175251B CN202310470303.9A CN202310470303A CN116175251B CN 116175251 B CN116175251 B CN 116175251B CN 202310470303 A CN202310470303 A CN 202310470303A CN 116175251 B CN116175251 B CN 116175251B
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- 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
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- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
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- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q2017/001—Measurement or correction of run-out or eccentricity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Abstract
The invention discloses a device for rapidly positioning circle runout for aviation aircraft manufacturing, which comprises a mandrel, a compression cover and a nut, wherein the mandrel is arranged on the compression cover; the mandrel comprises a disc body used for being installed on the four-axis turntable and a shaft body used for sleeving parts, the shaft body is perpendicular to the disc body, the circle center of one end face of the shaft body is located at the circle center of the end face of the disc body, a threaded rod is arranged at the other end of the shaft body, a round hole used for being matched with the threaded rod is formed in the circle center of the pressing cover, and the nut is in threaded connection with the threaded rod. The equipment can achieve the purpose of quick positioning, reduces the time of circle jumping of the change finding piece, improves the processing efficiency, ensures the repeated clamping precision and ensures the stable quality of the part.
Description
Technical Field
The invention relates to the technical field of aviation aircraft manufacturing, in particular to a device for rapidly positioning circle run-out for aviation aircraft manufacturing.
Background
In the manufacturing and processing of aviation aircrafts, round workpieces are often encountered, the round workpieces have different degrees of round runout due to the structure of the round workpieces, and the time consumption and poor precision of locating the round runout are the biggest bottlenecks encountered by the parts in the processing process. Therefore, the problems of slow circle runout positioning and poor precision in the processing process of the round workpiece are solved, and the method is a key for improving the processing precision and the processing efficiency.
In the process of processing a round workpiece, the round runout is positioned first, but a great amount of time is consumed in the process of positioning the center of the round runout of the workpiece, so that the utilization rate and the processing efficiency of the machine tool are greatly reduced. In addition, the process of tool replacement in the machining process belongs to manual operation, the operation precision can not be ensured, and the stability of the quality of the parts is greatly reduced. Therefore, it is needed to design a device capable of realizing rapid positioning and circle runout of a circular workpiece so as to improve the processing efficiency and ensure the quality stability of workpiece processing.
Disclosure of Invention
In order to solve the technical problems, the invention provides equipment for rapidly positioning circle run-out for aviation aircraft manufacturing.
The technical scheme of the invention is as follows: the utility model provides a quick location circle equipment of beating for aviation aircraft manufacturing, includes dabber, compresses tightly lid and nut;
the mandrel consists of a disc body arranged on the four-axis turntable and a shaft body for sleeving parts, the shaft body is vertical to the disc body, the circle center of one end face of the shaft body is positioned at the circle center of the end face of the disc body, the other end of the shaft body is provided with a threaded rod,
the compression cover is provided with a round hole for being matched with the threaded rod, and the nut is in threaded connection with the threaded rod;
the pressing cover is provided with a plurality of cover holes, and openings are formed in the side wall of the pressing cover and the side wall of the tray body.
Description: by arranging the cover hole and the opening, the parts can be conveniently disassembled and assembled on the equipment, and the equipment is simple in arrangement and convenient to use.
Further, a tray cavity is formed in the tray body, and an expansion assembly for expanding the area of the tray body is arranged in the tray body cavity.
Description: through setting up extension subassembly, can make the loaded terminal surface area of disk body carry out variable adjustment to be applicable to the zero-valent clamp of multiple terminal surface size, improve the suitability of this equipment.
Further, the expansion assembly comprises a toothed ring and a plurality of expansion plates, the toothed ring is rotationally connected with the inner wall of the cavity of the disk body,
the end faces of the expansion plates are fan-shaped, each expansion plate is arranged above the toothed ring and forms a circle matched with the cavity of the disc body, a rack is arranged on one side end face of each expansion plate, guide holes for the expansion plates and the rack to slide out of the cavity of the disc body are formed in the side wall of the disc body, and a double-layer gear for meshed transmission with the toothed ring and the rack is arranged on one side of each rack;
the other side of the rack is provided with a main liquid bag, one end of the main liquid bag is fixedly connected with the inner wall of the cavity of the tray body, a caulking groove is formed in the side wall of the other side of the rack along the length direction of the rack, a pushing block which is in sliding connection with the caulking groove is arranged on the caulking groove, one side surface of the pushing block is fixedly connected with the other end of the main liquid bag, and the other side surface of the pushing block is connected with a spring which is arranged in the caulking groove;
the end face of one side of the arc-shaped strip is connected with the bottom of the arc-shaped groove through a plurality of tension spring rods, auxiliary liquid bags used for pushing the arc-shaped strip to extend out of the arc-shaped groove are arranged in the arc-shaped groove between two adjacent tension spring rods, and all the auxiliary liquid bags on the same expansion plate are communicated with the main liquid bags corresponding to the expansion plate through pipelines which are buried in the expansion plate;
the outer side surface of the toothed ring is provided with a deflector rod fixedly connected with the toothed ring, the deflector rod penetrates through a guide groove formed in the side wall of the disc body, and the toothed ring is provided with a locking piece for locking the rotating position of the toothed ring.
Description: the expansion assembly can effectively adjust the area of the loaded end face of the tray body, and the problem that the expansion plate and the tray body have a height difference can be well solved through the arrangement of the components, so that the expansion plate and the loaded end face of the tray body are positioned on the same plane after being exhibited;
and through the above-mentioned setting of extension subassembly, can simplify the operation mode, compare in the ejecting arc strip of spring, need not to press the arc strip manually and carry out the receipts of extension board and close to it is more convenient to make the operation of operating personnel.
Furthermore, the side wall of the tray body above the guide groove is provided with scales for matching with the current tray body expansion area of the deflector rod mark.
Description: the area of the loaded end face of the current disc body can be conveniently read through the scales, so that an operator can clearly know the area of the loaded end face of the current disc body.
Further, the locking piece is a bolt arranged on the deflector rod, an extension plate is arranged on the deflector rod, the bolt penetrates through the extension plate and is in threaded connection with the extension plate, and a plurality of threaded holes for threaded connection with the bolt are formed in the side wall of the tray body below the guide groove at equal intervals; the toothed ring is in sliding clamping connection with a sliding groove arranged on the inner wall of the cavity of the tray body.
Description: the locking piece can effectively realize limit locking of the toothed ring, prevents the extension plate from deviating in the zero-valent machining process, and has simple structure and low manufacturing cost.
Further, the locking piece is a plurality of arc-shaped bulges arranged on the outer side surface of the toothed ring, the inside of the arc-shaped bulges is hollow, a plurality of bolt holes which vertically penetrate through the arc-shaped bulges are arranged on the arc-shaped bulges at equal intervals, arc-shaped blocks which are movably connected with the arc-shaped bulges are arranged in the arc-shaped bulges, one ends of the arc-shaped blocks are connected with springs arranged in the arc-shaped bulges, clamping holes which are in one-to-one correspondence with the bolt holes are arranged on the arc-shaped blocks,
the inner wall of the cavity of the tray body is provided with a limit groove which is in sliding connection with the arc-shaped bulge, the inner side surface of the limit groove corresponding to the bolt hole is provided with a spring plug, one side of the end surface of the spring plug is provided with an inclined notch for being matched with the arc-shaped block to withdraw from the clamping hole,
the dial rod end face is provided with a knob, the knob stretches into the inside of the toothed ring through the shaft rod and is provided with a rotating wheel in a cavity inside the toothed ring, the inner side face of each arc-shaped block is provided with a connecting block, the connecting blocks of each arc-shaped block are connected in series through connecting ropes, the connecting ropes are fixedly connected with the connecting blocks, one end of each connecting rope is fixedly connected with the rotating wheel, and the connecting ropes are slidably connected with rope grooves formed in the toothed ring.
Description: through the locking piece, limit locking of the toothed ring can be effectively realized, the situation that the expansion plate is deviated in the zero-valent machining process is prevented, the locking piece can avoid frequent dismounting of structures such as bolts and the like, the operation is simpler and more convenient, the locking hole and the bolt hole of the arc-shaped block are dislocated by only rotating the knob to eject the spring plug, and then the deflector rod is poked to drive the toothed ring to rotate, so that the operation flow of operators is simplified.
Further, a plurality of compression bars are uniformly arranged on the shaft body around the threaded rod, the compression bars are arranged parallel to the length direction of the shaft body, the shaft body is provided with a compression groove in sliding sealing connection with the compression bars,
an air bag is arranged at the inner end part of the pressing groove, a spring is arranged in the air bag, a lubricant groove for placing lubricant is arranged in the shaft body, a piston sheet is arranged at one end of the lubricant groove, one end of the lubricant groove is communicated with the air bag through a pipeline, a one-way valve is arranged in the pipeline,
an annular lubrication groove is arranged in the shaft body at the outer end part of the pressing groove, through holes for communicating the annular lubrication groove are formed in each pressing rod corresponding to the annular lubrication groove, a plurality of agent outlet holes for communicating the through holes are formed in the side wall of the shaft body, and butt joint holes for corresponding to the agent outlet holes are formed in the pressing rods corresponding to the through holes;
a plurality of lubricant liquid bags are arranged on one side of the annular lubrication groove, and the lubricant liquid bags are arranged in a liquid bag cavity arranged in the shaft body and are communicated with the annular lubrication groove; and the side wall of the shaft body is provided with an air supplementing hole communicated with the air bag, and a one-way valve is arranged in the air supplementing hole.
Description: after the parts are withdrawn from the shaft body each time through the components such as the compression bar, the lubricant is automatically coated on the shaft body, so that when the next part is sleeved on the shaft body, the resistance of the part sleeved on the shaft body is reduced, and meanwhile, the abrasion of the part when the part is sleeved on the shaft body can be avoided, thereby optimizing the operation experience of operators and protecting the part.
Further, a plurality of positioning grooves are formed in the contact end face of the disc body and the part and the contact end face of the arc-shaped strip and the part.
Description: the positioning groove can avoid the situation that the part rotates around the shaft body, so that the stability of clamping the part is improved.
The beneficial effects of the invention are as follows:
(1) When the equipment is installed and used for the first time, only the center and the circle runout of the equipment are needed to be found, the dial indicator is not needed to be used for centering the circle runout of the part again in the subsequent processing, the purpose of quick positioning can be achieved by using the equipment, the time for centering the circle runout of a change piece is reduced, the processing efficiency is improved, the repeated clamping precision is ensured, and the quality of the part is stable;
(2) According to the equipment, the expansion assembly is arranged on the tray body, so that the loading end surface area of the tray body can be effectively realized, and the problem that the expansion plate and the tray body have a height difference can be well solved through the arrangement of the main liquid bag and the auxiliary liquid bag, so that the expansion plate and the loading end surface of the tray body are positioned on the same plane after being expanded, and the operation of operators is more convenient;
(3) According to the equipment provided by the invention, the components such as the compression bar are arranged on the shaft body, so that the lubricant is automatically coated on the shaft body after each part is withdrawn from the shaft body, the resistance of the part sleeved on the shaft body is reduced when the next part is sleeved on the shaft body, and the abrasion of the part when the part is sleeved on the shaft body can be avoided.
Drawings
FIG. 1 is a schematic view showing the overall structure of the apparatus of embodiment 1 of the present invention;
FIG. 2 is an exploded view of the apparatus of example 1 of the present invention;
fig. 3 is a schematic view showing a folding status structure of the apparatus according to embodiment 2 of the present invention;
FIG. 4 is a schematic view showing the structure of the device according to embodiment 2 of the present invention in an unfolded state;
fig. 5 is a schematic view showing the internal structure of a tray body in a collapsed state of the apparatus according to embodiment 2 of the present invention;
FIG. 6 is a schematic view showing the internal structure of a tray body in an expanded state of the apparatus according to embodiment 2 of the present invention;
FIG. 7 is a schematic view showing the structure of a mandrel according to embodiment 2 of the present invention;
FIG. 8 is a schematic view showing the inner structure of a disk body of a mandrel according to embodiment 2 of the present invention;
FIG. 9 is a schematic view of the tooth ring structure of the mandrel of example 2 of the present invention;
FIG. 10 is a schematic diagram of a toothed ring of the mandrel of example 2;
FIG. 11 is a schematic view showing the internal structure of an arc-shaped protrusion of a mandrel according to embodiment 2 of the present invention;
FIG. 12 is a schematic view of a spring plug structure of a mandrel according to embodiment 2 of the present invention;
fig. 13 is a schematic view showing a folding structure of the apparatus according to embodiment 3 of the present invention;
FIG. 14 is a schematic view showing the structure of a mandrel according to embodiment 3 of the present invention;
FIG. 15 is a schematic view showing the internal structure of a disk body of a mandrel according to embodiment 3 of the present invention;
FIG. 16 is a schematic view of the tooth ring structure of the mandrel of example 3 of the present invention;
FIG. 17 is a schematic view showing the structure of a mandrel according to example 4 of the present invention;
FIG. 18 is a schematic view showing the external structure of a shaft of a mandrel according to embodiment 4 of the present invention;
FIG. 19 is a schematic view showing the internal structure of a shaft of a mandrel according to embodiment 4 of the present invention;
FIG. 20 is a schematic top view of the expansion board of the mandrel of the embodiment 2 and 3 of the invention;
FIG. 21 is a schematic view of the bottom surface structure of the expansion board of the mandrels of examples 2 and 3 of the present invention;
FIG. 22 is a schematic view showing the internal structure of an expansion plate of the mandrel of examples 2 and 3 of the present invention;
FIG. 23 is a schematic view showing the structure of the arc-shaped strip of the expansion board of the embodiments 2 and 3 of the present invention;
the device comprises a 1-core shaft, a 11-disc body, a 12-shaft body, a 121-pressing groove, a 122-air bag, a 123-lubricant groove, a 124-piston sheet, a 125-annular lubricant groove, a 126-lubricant outlet, a 127-lubricant liquid bag, a 128-air supplementing hole, a 13-threaded rod, a 14-pressing rod, a 2-pressing cover, a 3-nut, a 4-expansion assembly, a 41-toothed ring, a 42-expansion plate, a 421-arc groove, a 422-arc strip, a 423-pull spring rod, a 424-auxiliary liquid bag, a 43-rack, a 431-caulking groove, a 44-double-layer gear, a 45-main liquid bag, a 46-push block, a 47-deflector rod, a 5-bolt, a 6-arc protrusion, a 61-pin hole, a 62-arc block, a 63-spring plug and a 64-knob.
Detailed Description
The invention will be described in further detail with reference to the following embodiments to better embody the advantages of the invention.
Example 1: the device for rapidly positioning circle runout for aviation aircraft manufacturing comprises a mandrel 1, a compression cover 2 and a nut 3 as shown in figures 1 and 2; the mandrel 1 comprises a disc body 11 used for being installed on a four-axis turntable and a shaft body 12 used for sleeving parts, the shaft body 12 is perpendicular to the disc body 11, the center of the end face of the left end of the shaft body 12 is located at the center of the end face of the disc body 11, a threaded rod 13 is arranged on the end face of the right end of the shaft body 12, a round hole used for being matched with the threaded rod 13 is formed in the compression cover 2, the nut 3 is in threaded connection with the threaded rod 13, four cover holes are formed in the compression cover 2, openings are formed in the side wall of the compression cover 2 and the side wall of the disc body 11, and twelve positioning grooves are formed in the contact end face of the disc body 11 and the parts.
The using method of the equipment comprises the following steps: inserting a shaft hole alignment shaft body 12 of the columnar part into the mandrel 1, rapidly positioning the end face of the mandrel 1 and the end face of the columnar part by using a positioning groove on the end face of the mandrel 1, sleeving the compression cover 2 on the threaded rod 13, screwing the nut 3 into the threaded rod 13, and clamping the columnar part through the compression cover 2 and the mandrel 1 to finish clamping; when the equipment is firstly installed on the equipment, only the center and the circle runout of the equipment are needed to be found, and the dial indicator is not needed to be used for centering the circle runout of the part during subsequent processing.
Example 2: the present embodiment is different from embodiment 1 in that six cover holes are provided on the pressing cover 2, and sixteen positioning grooves are provided.
Example 3: this embodiment is different from embodiment 1 in that, as shown in fig. 3-6, a tray cavity is provided in the interior of the tray 11, and an expansion assembly 4 for expanding the area of the tray 11 is provided in the tray cavity;
as shown in fig. 5-7 and 9, the expansion assembly 4 includes a toothed ring 41 and three expansion plates 42, the toothed ring 41 is rotatably connected with the inner wall of the cavity of the tray body, the end surfaces of the expansion plates 42 are fan-shaped, each expansion plate 42 is arranged above the toothed ring 41 and forms a circle matched with the cavity of the tray body, a rack 43 is arranged in the middle of the end surface of one side of the expansion plate 42 corresponding to the toothed ring 41 along the sliding-out direction of the expansion plate 42, guide holes for the expansion plate 42 and the rack 43 to slide out of the cavity of the tray body are formed in the side wall of the tray body 11, and a double-layer gear 44 for meshed transmission with the toothed ring 41 and the rack 43 is arranged on one side of the rack 43;
as shown in fig. 21, a main liquid bag 45 is disposed on the other side of the rack 43, one end of the main liquid bag 45 is fixedly connected with the inner wall of the cavity of the tray body, a caulking groove 431 is disposed on the side wall of the other side of the rack 43 along the length direction of the rack 43, a push block 46 slidably connected with the caulking groove 431 is disposed on the caulking groove 431, a side surface of one side of the push block 46 is fixedly connected with the other end of the main liquid bag 45, and a side surface of the other side of the push block 46 is connected with a spring disposed in the caulking groove 431;
as shown in fig. 20, 22 and 23, three arc grooves 421 concentric with the disc 11 are provided at equal intervals on the other side end surface of the expansion plate 42, an arc bar 422 slidably connected with the arc grooves 421 is provided in the arc grooves 421, one side end surface of the arc bar 422 is connected with the bottom of the arc grooves 421 through three tension spring rods 423, a secondary liquid bag 424 for pushing the arc bar 422 to extend out of the arc grooves 421 is provided in the arc grooves 421 between two adjacent tension spring rods 423, each secondary liquid bag 424 on the same expansion plate 42 is communicated with a primary liquid bag 45 corresponding to the expansion plate 42 through a pipeline, and the pipeline is buried in the expansion plate 42;
as shown in fig. 9 and 10, the outer side surface of the toothed ring 41 is provided with a deflector rod 47 fixedly connected with the same, the deflector rod 47 passes through a guide groove arranged on the side wall of the disc body 11, the side wall of the disc body 11 above the guide groove is provided with scales for matching with the deflector rod 47 to mark the expansion area of the current disc body 11, and the toothed ring 41 is provided with a locking piece for locking the rotation position of the toothed ring 41;
as shown in fig. 8-12, the locking piece is three arc-shaped bulges 6 arranged on the outer side surface of the toothed ring 41, the inside of each arc-shaped bulge 6 is hollow, ten bolt holes 61 which vertically penetrate through each arc-shaped bulge 6 are arranged on each arc-shaped bulge 6 at equal intervals, arc-shaped blocks 62 which are movably connected with each arc-shaped bulge 6 are arranged in each arc-shaped bulge 6, one end of each arc-shaped block 62 is connected with a spring arranged in each arc-shaped bulge 6, clamping holes which are in one-to-one correspondence with the bolt holes 61 are arranged on each arc-shaped block 62, a limit groove which is in sliding connection with each arc-shaped bulge 6 is arranged on the inner wall of a cavity of the disc body, a spring plug 63 is arranged on the inner side surface of each limit groove which corresponds to each bolt hole 61, an inclined notch for being matched with each arc-shaped block 62 to withdraw from the clamping hole is arranged on one side of the end surface of each spring plug 63, the inclined plane of each inclined notch forms an included angle of 60 DEG with a horizontal plane, a knob 64 is arranged on the end surface of each shifting rod 47, each knob 64 is arranged in a cavity which extends into the toothed ring 41 through a shaft rod, a rotating wheel arranged in the inner side of each arc-shaped block 62, each arc-shaped block 62 is connected rope through a connecting rope, and each connecting rope is connected in series, and each connecting rope is fixedly connected with each connecting rope, and connected rope is connected with each rope in a connecting way;
as shown in fig. 4, the contact end surfaces of the tray 11 and the part, and the contact end surfaces of the arc-shaped strips 422 and the part are all provided with positioning grooves.
The using method of the equipment comprises the following steps: based on embodiment 1, the circular truncated cone-shaped part can be clamped in the embodiment, the gear ring 41 is rotated by pulling the deflector rod 47, the double-layer gear 44 is rotated by the meshing transmission of the gear ring 41 and the double-layer gear 44, so that the rack 43 slides outwards along the guide hole by the meshing transmission of the double-layer gear 44 and the rack 43, and each expansion plate 42 slides out of the cavity of the disc body;
in the sliding-out process of the expansion plate 42, the push block 46 of the rack 43 presses the main liquid bag 45 to enable liquid of the main liquid bag 45 to enter the auxiliary liquid bag 424 along the pipeline, during the period, the arc-shaped strip 422 close to the circle center of the tray 11 is limited and shielded by the top of the tray cavity, at the moment, the push block 46 compensates the pushing balance of the main liquid bag 45 and the auxiliary liquid bag 424 through the springs in the pressing caulking grooves 431, and after the arc-shaped strip 422 extends out of the tray cavity, the arc-shaped strip 422 is pushed by the auxiliary liquid bag 424 to extend out of the arc-shaped groove 421 under the restoring force of the springs;
during the sliding-in process of the expansion plate 42, the pushing block 46 of the rack 43 pulls the main liquid bag 45 to enable the liquid of the auxiliary liquid bag 424 to flow back into the main liquid bag 45 along the pipeline, and the principle is basically the same as that described above, so that the arc-shaped strip 422 is retracted into the arc-shaped groove 421;
during the period, the rotating wheel is rotated to wind the connecting rope through the knob 64, so that each connecting block moves in the corresponding movable groove of the side wall of the toothed ring 41, each arc block 62 presses the spring in the arc bulge 6, the clamping hole and the bolt hole 61 are misplaced, during the period, the inclined notch of the clamp Kong Tuiji enables the spring plug 63 to withdraw from the clamping hole against the elastic force, then the rotating angle of the knob 64 is kept, the deflector rod 47 is simultaneously stirred to rotate the toothed ring 41, after the rotating wheel is rotated to a specified scale position, the knob 64 is released, each arc block 62 enables the clamping hole to correspond to the bolt hole 61 under the restoring force of the spring, and the spring plug 63 is inserted into the clamping hole under the elastic force to lock the toothed ring 41.
Example 4: the difference between this embodiment and embodiment 3 is that, as shown in fig. 13-16, the locking member is a bolt 5 arranged on a deflector rod, an extension plate is arranged on the deflector rod 47, the bolt 5 passes through the extension plate and is in threaded connection with the extension plate, six threaded holes for threaded connection with the bolt 5 are arranged on the side wall of the tray body 11 below the guide groove at equal intervals; the toothed ring 41 is in sliding clamping connection with a sliding groove arranged on the inner wall of the cavity of the tray body.
The using method of the equipment comprises the following steps: the difference from the use method of embodiment 2 is the use of a locking member, when the shift lever 47 is shifted to rotate the toothed ring 41, after the shift lever is rotated to the specified scale position, the bolt 5 is screwed into the threaded hole corresponding to the current position of the extension plate, thereby realizing the locking of the toothed ring 41.
Example 5: this embodiment is different from embodiment 4 in that the expansion plate 42 is provided with six, the arc-shaped groove 421 is provided with five, and the bolt hole 61 is provided with fifteen.
Example 6: 17-19, six compression rods 14 are uniformly arranged on the shaft body 12 around the threaded rod, the compression rods 14 are arranged parallel to the length direction of the shaft body 12, the shaft body 12 is provided with compression grooves 121 in sliding sealing connection with the compression rods 14, the inner end part of the compression grooves 121 is provided with an air bag 122, a spring is arranged in the air bag 122, a lubricant groove 123 for placing lubricant is arranged in the shaft body 12, one end of the lubricant groove 123 is provided with a piston sheet 124, one end of the lubricant groove 123 is communicated with the air bag 122 through a pipeline, a one-way valve is arranged in the pipeline, an annular lubrication groove 125 is arranged in the shaft body 12 at the outer end part of the compression grooves 121, each compression rod 14 corresponding to the annular lubrication groove 125 is provided with a through hole for communicating with the annular lubrication groove 125, the side wall of the shaft body 12 is provided with six lubricant outlet holes 126 for communicating with the through holes, the compression rods 14 corresponding to the through holes are provided with butt joint holes for communicating with the outlet holes 126, one side of the annular lubrication groove 125 is provided with twelve lubricant bags 127, and the annular lubrication bag 125 is provided with a liquid 127, and the shaft body 12 is provided with a liquid chamber 125 communicated with the annular lubrication chamber; the side wall of the shaft body 12 is provided with an air-filling hole 128 communicated with the air bag 122, and a one-way valve is arranged in the air-filling hole 128.
The using method of the equipment comprises the following steps: on the basis of embodiment 1, in the process of clamping the columnar parts, the shaft holes of the columnar parts are clamped with the lubricant flowing out of the lubricant outlet holes 126 and inserted into the shaft body 12, so that the process of inserting the shaft body 12 is smoother, after the pressing cover 2 is additionally arranged, each pressing rod 14 slides inwards along the pressing groove 121 under the pushing of the pressing cover 2, so that the air bag 122 is pressed to enable air flow to be unidirectionally injected into the lubricant groove 123 through the pipeline and the one-way valve, the piston piece 124 is moved under the pushing of air pressure so as to enable the lubricant to be supplemented into the annular lubrication groove 125, and at the moment, the annular lubrication groove 125 is not communicated with the through holes, so that the lubricant liquid bag 127 is expanded in the liquid bag cavity to store the energy;
when the column-shaped parts are taken out, the compression of the compression cover 2 is lost by each compression bar 14 on the end surface of the shaft body 12, the compression bar 14 is reset under the restoring force of the air bag spring, meanwhile, after the compression bar 14 is reset, the through holes of the compression bar 14 are communicated with the annular lubrication groove 125, so that the compressed lubricant slowly flows out from the lubricant outlet hole 126 under the extrusion of the lubricant liquid bag 127, and when the column-shaped parts are clamped again, the shaft holes of the column-shaped parts are inserted into the shaft body 12 with the lubricant flowing out from the lubricant outlet hole 126.
Example 7: the difference from embodiment 6 is that the number of the pressing rods 14 is eight, the number of the agent outlet holes 126 is eight and corresponds to the number of the pressing rods 14 one by one, and the number of the lubricant pockets 127 is sixteen.
Claims (6)
1. The device for rapidly positioning circle runout for aviation aircraft manufacturing is characterized by comprising a mandrel (1), a compression cover (2) and a nut (3);
the mandrel (1) is composed of a disc body (11) which is arranged on the four-axis turntable and a shaft body (12) which is used for sleeving parts, the shaft body (12) is perpendicular to the disc body (11), the circle center of the end face at one end of the shaft body (12) is positioned at the circle center of the end face of the disc body (11), the other end of the shaft body (12) is provided with a threaded rod (13),
the compression cover (2) is provided with a round hole for being matched with the threaded rod (13), and the nut (3) is in threaded connection with the threaded rod (13);
a plurality of cover holes are formed in the pressing cover (2), and openings are formed in the side wall of the pressing cover (2) and the side wall of the tray body (11);
a tray cavity is formed in the tray body (11), and an expansion assembly (4) for expanding the area of the tray body (11) is arranged in the tray body cavity;
the expansion assembly (4) comprises a toothed ring (41) and a plurality of expansion plates (42), the toothed ring (41) is rotationally connected with the inner wall of the cavity of the disk body,
the end faces of the expansion plates (42) are fan-shaped, each expansion plate (42) is arranged above the toothed ring (41) and forms a circle matched with the cavity of the disc body, a rack (43) is arranged on one side end face of each expansion plate (42), guide holes for the expansion plates (42) and the racks (43) to slide out of the cavity of the disc body are formed in the side wall of the disc body (11), and double-layer gears (44) for meshed transmission with the toothed ring (41) and the racks (43) are arranged on one side of each rack (43);
a main liquid bag (45) is arranged on the other side of the rack (43), one end of the main liquid bag (45) is fixedly connected with the inner wall of the cavity of the tray body, a caulking groove (431) is formed in the side wall of the other side of the rack (43) along the length direction of the rack (43), a pushing block (46) which is slidably connected with the caulking groove (431) is arranged on the caulking groove (431), one side surface of the pushing block (46) is fixedly connected with the other end of the main liquid bag (45), and the other side surface of the pushing block (46) is connected with a spring arranged in the caulking groove (431);
a plurality of arc grooves (421) concentric with the disc body (11) are formed in the end face of the other side of the expansion plate (42) at equal intervals, arc strips (422) which are in sliding connection with the arc grooves (421) are arranged in the arc grooves (421), one side end face of each arc strip (422) is connected with the bottom of each arc groove (421) through a plurality of tension spring rods (423), auxiliary liquid bags (424) for pushing the arc strips (422) to extend out of the arc grooves (421) are arranged in the arc grooves (421) between two adjacent tension spring rods (423), and each auxiliary liquid bag (424) on the same expansion plate (42) is communicated with a main liquid bag (45) corresponding to the expansion plate (42) through a pipeline, and the pipeline is buried in the expansion plate (42);
the outer side surface of the toothed ring (41) is provided with a deflector rod (47) fixedly connected with the toothed ring, the deflector rod (47) penetrates through a guide groove formed in the side wall of the disc body (11), and the toothed ring (41) is provided with a locking piece for locking the rotating position of the toothed ring (41).
2. The rapid positioning circle runout device for aviation aircraft manufacturing according to claim 1, wherein the side wall of the tray body (11) above the guide groove is provided with scales for marking the expansion area of the current tray body (11) by matching with the deflector rod (47).
3. The rapid positioning circle runout device for aviation aircraft manufacturing according to claim 1, wherein the locking piece is a bolt (5) arranged on a deflector rod, an extension plate is arranged on the deflector rod (47), the bolt (5) penetrates through the extension plate and is in threaded connection with the extension plate, and a plurality of threaded holes for threaded connection with the bolt (5) are formed in the side wall of a disc body (11) below the guide groove at equal intervals; the toothed ring (41) is in sliding clamping connection with a sliding groove arranged on the inner wall of the cavity of the tray body.
4. The rapid positioning circle jumping device for aviation aircraft manufacturing according to claim 1, wherein the locking piece is a plurality of arc-shaped bulges (6) arranged on the outer side surface of the toothed ring (41), the inside of the arc-shaped bulges (6) is hollow, a plurality of bolt holes (61) vertically penetrating through the arc-shaped bulges (6) are arranged on the arc-shaped bulges (6) at equal intervals, an arc-shaped block (62) movably connected with the arc-shaped bulges (6) is arranged in the arc-shaped bulges (6), one end of the arc-shaped block (62) is connected with a spring arranged in the arc-shaped bulges (6), the arc-shaped block (62) is provided with clamping holes corresponding to the bolt holes (61) one by one,
a limiting groove which is in sliding connection with the arc-shaped bulge (6) is arranged on the inner wall of the cavity of the tray body, a spring plug (63) is arranged on the inner side surface of the limiting groove corresponding to the bolt hole (61), an inclined notch for being matched with the arc-shaped block (62) to withdraw from the clamping hole is arranged on one side of the end surface of the spring plug (63),
the end face of the deflector rod (47) is provided with a knob (64), the knob (64) stretches into the toothed ring (41) through a shaft rod and is provided with a rotating wheel in a cavity in the toothed ring (41), the inner side face of each arc-shaped block (62) is provided with a connecting block, the connecting blocks of each arc-shaped block (62) are connected in series through connecting ropes, the connecting ropes are fixedly connected with the connecting blocks, one end of each connecting rope is fixedly connected with the rotating wheel, and the connecting ropes are slidably connected with rope grooves in the toothed ring (41).
5. The rapid positioning circle runout device for aviation aircraft manufacturing according to claim 1, wherein the shaft body (12) is uniformly provided with a plurality of pressing rods (14) around the threaded rod (13), the pressing rods (14) are arranged parallel to the length direction of the shaft body (12), the shaft body (12) is provided with pressing grooves (121) in sliding sealing connection with the pressing rods (14),
an air bag (122) is arranged at the inner end part of the pressing groove (121), a spring is arranged in the air bag (122), a lubricant groove (123) for placing lubricant is arranged in the shaft body (12), a piston sheet (124) is arranged at one end of the lubricant groove (123), one end of the lubricant groove (123) is communicated with the air bag (122) through a pipeline, a one-way valve is arranged in the pipeline,
an annular lubrication groove (125) is arranged in the shaft body (12) positioned at the outer end part of the pressure groove (121), through holes for communicating the annular lubrication groove (125) are formed in each pressure rod (14) corresponding to the annular lubrication groove (125), a plurality of agent outlet holes (126) for communicating the through holes are formed in the side wall of the shaft body (12), and butt joint holes for corresponding to the agent outlet holes (126) are formed in the pressure rods (14) corresponding to the through holes;
a plurality of lubricant liquid bags (127) are arranged on one side of the annular lubrication groove (125), and the lubricant liquid bags (127) are arranged in liquid bag cavities arranged in the shaft body (12) and are communicated with the annular lubrication groove (125); and the side wall of the shaft body (12) is provided with an air supplementing hole (128) communicated with the air bag (122), and a one-way valve is arranged in the air supplementing hole (128).
6. The rapid positioning circle runout device for aviation aircraft manufacturing according to claim 1, wherein the disc body (11) and the part contact end surface and the arc-shaped strip (422) and the part contact end surface are all provided with a plurality of positioning grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310470303.9A CN116175251B (en) | 2023-04-27 | 2023-04-27 | Equipment for rapidly positioning circle run-out for aviation aircraft manufacturing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310470303.9A CN116175251B (en) | 2023-04-27 | 2023-04-27 | Equipment for rapidly positioning circle run-out for aviation aircraft manufacturing |
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| CN116175251A CN116175251A (en) | 2023-05-30 |
| CN116175251B true CN116175251B (en) | 2023-07-14 |
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| CN202310470303.9A Active CN116175251B (en) | 2023-04-27 | 2023-04-27 | Equipment for rapidly positioning circle run-out for aviation aircraft manufacturing |
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| CN116475258B (en) * | 2023-06-15 | 2023-09-01 | 陕西长羽航空装备股份有限公司 | Large titanium alloy deep cylinder back extrusion forging equipment and method for aviation aircraft |
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| CN104759920B (en) * | 2015-04-23 | 2017-04-05 | 中国重汽集团大同齿轮有限公司 | Toothholder bores cross hole fixture |
| CN205928019U (en) * | 2016-08-29 | 2017-02-08 | 山东韬浦泵业有限公司 | Inclined to one side child frock of inclined to one side impeller car of car |
| KR101713130B1 (en) * | 2016-12-30 | 2017-03-07 | 임창식 | A precision clamp for fixing aircraft part |
| CN210549828U (en) * | 2019-06-26 | 2020-05-19 | 沈阳新鹏机械制造有限公司 | Water pump propeller multi-angle processingequipment |
| CN210704507U (en) * | 2019-10-28 | 2020-06-09 | 江阴市同方机械配件制造有限公司 | Fixed limiting device with powder metallurgy toothed ring for flywheel |
| CN218746265U (en) * | 2022-10-10 | 2023-03-28 | 潍坊通达齿轮箱有限责任公司 | Machining quick-change clamp |
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