CN117505982B - Cutting device with positioning function for metal part production - Google Patents
Cutting device with positioning function for metal part production Download PDFInfo
- Publication number
- CN117505982B CN117505982B CN202410003082.9A CN202410003082A CN117505982B CN 117505982 B CN117505982 B CN 117505982B CN 202410003082 A CN202410003082 A CN 202410003082A CN 117505982 B CN117505982 B CN 117505982B
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- Prior art keywords
- electric
- sliding
- metal corrugated
- corrugated pipe
- symmetrically distributed
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- 239000002184 metal Substances 0.000 title claims abstract description 185
- 238000005520 cutting process Methods 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims description 44
- 230000007246 mechanism Effects 0.000 claims description 27
- 238000009826 distribution Methods 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 15
- 210000000078 claw Anatomy 0.000 claims description 14
- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 238000013459 approach Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/12—Sawing machines or sawing devices with circular saw blades or with friction saw discs with a circular saw blade for cutting tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/04—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of devices for feeding, positioning, clamping, or rotating work
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The invention provides a cutting device with a positioning function for metal part production, and relates to the technical field of cutting equipment. Aiming at the technical problems that the metal corrugated pipe is easy to be extruded and deformed by the cutter disc and can generate unqualified products when being cut into wavy folds. The electric turntable comprises a base, a supporting frame is fixedly connected in the base, an electric turntable is connected in the base in a rotating manner, symmetrically distributed supporting columns are connected in a sliding manner to the electric turntable, symmetrically distributed movable rings are connected to one sides of the supporting columns away from the electric turntable in a sliding manner, circumferentially uniformly distributed supporting rods are hinged to the movable rings both of the supporting columns and the symmetrically distributed movable rings, and limiting plates are hinged to the adjacent supporting rods. According to the invention, the movable ring and the supporting rod drive the limiting plates which are vertically symmetrical to each other to oppositely prop up the inner wall of the metal corrugated pipe, and the fold positions near the cutting positions of the metal corrugated pipe are fixed, so that the cutting positions of the metal corrugated pipe are always positioned in the concave positions of the metal corrugated pipe.
Description
Technical Field
The invention relates to the technical field of cutting equipment, in particular to a cutting device with a positioning function for metal part production.
Background
After the metal corrugated pipe is produced, the length of the metal corrugated pipe is larger, the metal corrugated pipe needs to be cut and separated according to actual use requirements, but when the metal corrugated pipe is cut by the existing cutting device, the metal corrugated pipe is cut by directly moving a cutter disc rotating at high speed on the axial surface of the metal corrugated pipe, but the metal corrugated pipe is a metal pipe which can bear stretching and compression deformation to a certain extent and has certain elasticity, so that the metal corrugated pipe is easy to be extruded and deformed by the cutter disc when the metal corrugated pipe is cut, the cutting section is incomplete, the outer surface of the metal corrugated pipe is provided with wavy folds adapting to deformation, unqualified products can be produced when the wavy folds are cut, and the metal corrugated pipe can be normally used after being subjected to secondary processing.
Disclosure of Invention
In order to overcome the defects that a metal corrugated pipe is easy to be extruded and deformed by a cutter disc, so that a cutting section is incomplete and an unqualified product is generated when a wavy fold is cut in, the invention provides a cutting device with a positioning function for metal part production.
The technical proposal is as follows: the utility model provides a metal part production is with cutting device who has locate function, including the base, the rigid coupling has the support frame in the base, the base internal rotation is connected with electric turntable, there is the support column of symmetric distribution through support sliding connection on the electric turntable, the support column is kept away from one side sliding connection of electric turntable has the removal ring of symmetric distribution, support column and symmetric distribution the removal ring all articulates there is circumference evenly distributed's bracing piece, and is adjacent the bracing piece articulates jointly has the limiting plate, the upside rigid coupling of support frame has the fixed disk, the fixed disk rotates and is connected with the rolling disc, the fixed disk rigid coupling has first motor, the output shaft of first motor with pass through gear train transmission between the rolling disc, the rolling disc rigid coupling has first electric putter, the flexible end rigid coupling of first electric putter has first mount, electric saw blade is installed to first mount, the base is equipped with and makes and is close to electric saw blade the open power component of limiting plate, electric turntable is equipped with stretching metal bellows's clamping mechanism.
Further, the limiting plate is slidably connected with a limiting block, the limiting block is slidably connected with the adjacent supporting columns, and the limiting block is matched with the electric saw blade.
Further, the power component comprises a second electric push rod, the second electric push rod is fixedly connected to the base, the support column is rotationally connected with a rotating column, the rotating column is connected with the adjacent moving ring through threads, the electric rotating disc is provided with symmetrically distributed sliding sleeves in a sliding connection mode through support limiting, the sliding sleeves are matched with the adjacent rotating column, and a first elastic piece is installed between the sliding sleeves and the adjacent support column.
Further, the second electric push rod is located at the lower side of the electric rotary disc, and the telescopic end of the second electric push rod penetrates through the electric rotary disc to be in extrusion fit with the support column located at the axis of the fixed disc.
Further, the clamping mechanism comprises a second motor, the second motor is fixedly connected to the electric turntable through a support, the electric turntable is slidably connected with a movable frame which is distributed in a central symmetry mode, racks are fixedly connected to opposite sides of the movable frame which are distributed in a central symmetry mode, gears meshed with the racks on the movable frame are fixedly connected to an output shaft of the second motor, limiting claws which are distributed in a circumferential mode are slidably connected to the upper end of the movable frame, limiting gears are arranged on the same movable frame in a circumferential mode in a limiting mode, the movable frame is fixedly connected with a third motor, the output end of the third motor is meshed with the adjacent limiting gears through a transmission gear, and the support frame is provided with a stretching assembly which is used for accurately controlling the stretched length of the metal corrugated pipe.
Further, the upside of support frame rotates and is connected with the squeeze roller of symmetric distribution, and symmetric distribution squeeze roller with rotation junction between the support frame all has the damping, and symmetric distribution squeeze roller be used for with adjacent the cooperation of spacing claw tensile metal bellows.
Further, the stretching assembly comprises a second fixing frame fixedly connected to one side, close to the extrusion roller, of the supporting frame, a movable sliding block is fixedly connected to the second fixing frame, a first wedge block is slidably connected to the movable sliding block, a fourth elastic piece is installed between the first wedge block and the movable sliding block, and the elastic force of the fourth elastic piece is larger than that of damping between the extrusion roller and the supporting frame.
Further, still including the extrusion mechanism that is used for preventing corrugated metal pipe vibrations dislocation, the extruder construct set up in first mount, extrusion mechanism is including the first sliding block of symmetric distribution, symmetric distribution first sliding block all sliding connection in first mount, symmetric distribution first sliding block with all install the second elastic component between the first mount, first sliding block sliding connection has the slide bar, the slide bar rigid coupling has the spacing, symmetric distribution the spacing is located respectively the both sides of electric saw bit, spacing and adjacent install the third elastic component between the first sliding block, first mount rigid coupling has the extrusion piece of symmetric distribution, extrusion piece and adjacent spacing extrusion cooperation.
Further, the automatic discharging device comprises a discharging mechanism for assisting discharging, the discharging mechanism is arranged on one side, away from the supporting frame, of the base, the discharging mechanism comprises a fixed seat, the fixed seat is fixedly connected to the base, a conveying pipe and a guide pipe are fixedly connected to one side, close to the fixed seat, of the base, the circle center of the conveying pipe and the circle center of the guide pipe are on the same straight line, a gap exists between the conveying pipe and the guide pipe, the guide pipe is matched with a movable frame far away from the supporting frame, the fixed seat is rotationally connected with an electric screw, the fixed seat is slidably connected with symmetrically distributed extrusion columns, the symmetrically distributed extrusion columns are in threaded connection with the electric screw, the electric rotary wheels are installed on the extrusion columns, the symmetrically distributed electric rotary wheels are matched with a metal corrugated pipe through the gap between the conveying pipe and the guide pipe, and the guide pipe is provided with a resetting assembly for compressing the metal corrugated pipe.
Further, reset assembly is including the fixed block, the fixed block rigid coupling in the stand pipe, fixed block sliding connection has the second sliding block, the second sliding block rotates and is connected with the pinch roller, the second sliding block with one of them the spacing cooperation of extrusion post, conveyer pipe sliding connection has the second wedge, the second wedge with install the fifth elastic component between the conveyer pipe, the second wedge with the pinch roller is the symmetric distribution, and the two is located the symmetric distribution keep away from in the extrusion post both sides one side of movable frame.
Compared with the prior art, the invention has the following advantages:
1. According to the invention, the movable ring and the supporting rod are used for driving the limiting plates which are vertically symmetrical to oppositely open on the inner wall of the metal corrugated pipe, and the positions of folds near the cutting position of the metal corrugated pipe are fixed, so that the cutting position of the metal corrugated pipe is always positioned at the concave position of the metal corrugated pipe, and the influence on the subsequent processing procedure and the service performance of the metal corrugated pipe due to the folds of the metal corrugated pipe.
2. According to the invention, the inner wall of the metal corrugated pipe is supported by the limiting block, so that the inner supports at the two sides of the cutting position of the electric saw blade are provided, the phenomenon of flash of the metal corrugated pipe caused by lack of effective support in cutting of the electric saw blade is reduced, and the smoothness of a cut is ensured.
3. According to the invention, the diameter of the metal corrugated pipe and the fold distance of the metal corrugated pipe are calculated, the position where the limiting plate is unfolded is calculated, and the distance of the metal corrugated pipe drawn by the corresponding limiting claw carried by the supporting rod is matched and adjusted, so that the cut distance of the metal corrugated pipe is measured, and the cut length of the metal corrugated pipe is accurately controlled.
4. According to the invention, the folds of the metal corrugated pipe are extruded through the first wedge-shaped block, the stretched distance of each section of the metal corrugated pipe is maintained through the elasticity of the fourth elastic piece, the stretched uniformity of the metal corrugated pipe is ensured, and the accurate measurement of the length of the metal corrugated pipe is assisted.
5. According to the invention, the second wedge-shaped block is used for extruding the folds of the metal corrugated pipe, and the elastic force of the fifth elastic piece is used for assisting the metal corrugated pipe to continuously shrink and reset, so that the original state of good shrinkage of the metal corrugated pipe is maintained.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective cross-sectional view of a base of the present invention;
FIG. 3 is a schematic perspective view of the base, support frame and electric turntable of the present invention;
FIG. 4 is a schematic perspective view of the electric turntable, the fixed disk and the rotating disk of the present invention;
FIG. 5 is a schematic perspective view of the mounting plate, the electric saw blade and the limiting plate of the present invention;
FIG. 6 is a perspective view of the shift ring, support bar and limiting plate of the present invention;
FIG. 7 is a schematic perspective view of a limit pawl, a limit gear and a movable frame according to the present invention;
fig. 8 is a schematic perspective view of a second electric putter, a support column and a sliding sleeve according to the present invention;
FIG. 9 is a schematic perspective view of a second mount, a first wedge and a squeeze roller according to the present invention;
FIG. 10 is a schematic perspective view of a first mount, a stop and an electric saw blade according to the present invention;
FIG. 11 is a schematic perspective view of the fixing base, the pressing column and the pressing wheel of the present invention;
fig. 12 is a perspective view showing a cross-sectional view of a delivery tube and a guide tube according to the present invention.
Reference numerals: 1. a base, 2, a support frame, 3, an electric turntable, 4, a support column, 5, a rotating column, 6, a moving ring, 7, a support rod, 8, a limiting plate, 9, a fixed disk, 10, a first motor, 11, a rotating disk, 12, a first electric push rod, 13, a first fixed rack, 14, an electric saw blade, 201, a limiting block, 202, a second electric push rod, 204, a sliding sleeve, 205, a first elastic piece, 206, a second motor, 207, a moving frame, 208, a limiting claw, 209, a third motor, 210, a limiting gear, 211, a squeeze roller, 301, a first block, 302, a second elastic piece, 303, a sliding rod, 304, a limiting frame, 305, a third elastic piece, 306, an extrusion block, 407, a second fixing frame, 408, a movable sliding block, 409, a first wedge block, 410, a fourth elastic piece, 501, a fixing seat, 502, a conveying pipe, 503, a guide pipe, 504, an electric screw rod, 505, an extrusion column, 506, an electric rotating wheel, 507, a fixing block, 508, a second sliding block, 509, an extrusion wheel, 510, a second wedge block, 511, a fifth elastic piece, 02, a power component, 03, a clamping mechanism, 04, an extrusion mechanism, 05, a stretching component, 06, a discharging mechanism, 07 and a resetting component.
Detailed Description
It should be noted that in the various embodiments described, identical components are provided with identical reference numerals or identical component names, wherein the disclosure contained throughout the description can be transferred in a meaning to identical components having identical reference numerals or identical component names. The description of the locations selected in the specification, such as above, below, sideways, etc., also refers to the directly described and illustrated drawings and is transferred to a new location in a sense when the location is changed, so once a certain item is defined in one drawing, no further definition and explanation thereof is required in the subsequent drawings, and furthermore, the terms "first", "second", "third", "fourth", etc. are used for distinguishing the description only and are not to be construed as indicating or implying relative importance.
Example 1: 1-6, including the base 1, fixedly connected with the support frame 2 in the base 1, fixedly connected with the control panel outside the base 1, the electric turntable 3 connected with the control panel through the rotation of the base 1, two symmetrical support columns 4 connected with the upper side of the electric turntable 3 through the support sliding, two moving rings 6 with upper and lower symmetry are connected with the upper part of the two support columns 4 in a sliding way, the support columns 4 and the adjacent moving rings 6 are hinged with support rods 7 with even distribution in the circumferential direction, the support rods 7 on the support columns 4 and the support rods 7 on the adjacent moving rings 6 are hinged with limiting plates 8 together, and a plurality of limiting plates 8 hinged with the two moving rings 6 with upper and lower symmetry are also distributed in an upper and lower symmetry, when the two moving rings 6 with upper and lower symmetry move oppositely, the corresponding support rods 7 enable the up-down symmetrical limiting plates 8 to be synchronously opened in opposite directions, the fold positions of the metal corrugated pipes are positioned, the opposite sides of the up-down symmetrical limiting plates 8 are all connected with limiting blocks 201 in a sliding manner, all limiting blocks 201 are connected with the adjacent support columns 4 in a sliding manner, when the up-down symmetrical limiting plates 8 are opened in opposite directions, the limiting blocks 201 are synchronously opened along with the corresponding limiting plates 8 to squeeze and limit the inner walls of the metal corrugated pipes, gaps with the same height as the electric saw blades exist between the up-down symmetrical limiting blocks 201 and are used for providing support for the inner walls of the metal corrugated pipes when the electric saw blades 14 cut the metal corrugated pipes, the two sides of the metal corrugated pipes of the cut parts are not extruded by the electric saw blades 14 to generate pits, the phenomenon of flash is avoided, the upper side of the support frame 2 is fixedly connected with a fixed disc 9, the upper side of the fixed disc 9 is rotationally connected with a rotating disc 11, the fixed disk 9 is fixedly connected with a first motor 10 electrically connected with the control panel, an output shaft of the first motor 10 and the rotating disk 11 are driven by a gear set, the rotating disk 11 is driven to rotate repeatedly in the circumferential direction, the rotating disk 11 is fixedly connected with a first electric push rod 12 electrically connected with the control panel, a telescopic end of the first electric push rod 12 is fixedly connected with a first fixing frame 13 facing the circle center of the fixed disk 9, the first fixing frame 13 is provided with an electric saw blade 14 electrically connected with the control panel facing the circle center of the fixed disk 9, the first electric push rod 12 is used for pushing the electric saw blade 14 to be close to a metal corrugated pipe and cutting the metal corrugated pipe, the base 1 is provided with a power assembly 02 electrically connected with the control panel, the power assembly 02 is used for enabling a limiting plate 8 positioned on the right side to open in opposite direction, the electric rotary disk 3 is provided with a clamping mechanism 03 electrically connected with the control panel, and the clamping mechanism 03 is used for clamping the metal corrugated pipe and stretching the metal corrugated pipe.
As shown in fig. 4 and 8, the power assembly 02 includes a second electric push rod 202 fixedly connected to the base 1, the second electric push rod 202 is electrically connected to the control panel, the second electric push rod 202 is completely located at the lower side of the electric turntable 3 in a contracted state, rotation of the electric turntable 3 is not hindered, the electric turntable 3 is provided with two symmetrical through holes for the telescopic ends of the second electric push rod 202 to pass through, the second electric push rod 202 is in extrusion fit with the support column 4 located at the axis position of the fixed disk 9 through the through holes of the electric turntable 3, the support column 4 is rotationally connected with a rotating column 5, two sections of threads which are symmetrical up and down are arranged on the rotating column 5 and are connected with two adjacent moving rings 6, when the rotating column 5 rotates, the two moving rings 6 which are symmetrical up and down are controlled by the threads to be opposite to be far away from or close to each other, the electric turntable 3 is provided with two sliding sleeves 204 which are circumferentially symmetrical through a support frame limiting sliding connection provided with sliding grooves, the sliding sleeves 204 are sleeved at the lower part of the adjacent rotating column 5, the sliding sleeves 204 are provided with spiral sliding grooves, the sliding sleeves 204 are rotationally matched with the adjacent rotating columns 5 through the spiral sliding grooves 205, when the sliding sleeves 205 are rotationally matched with the adjacent rotating columns 5, and the rotating columns are rotationally arranged on the rotating column 4, and the rotating column 4 is not rotationally matched with the rotating sleeve 4, and the rotating column 4 is rotationally matched with the rotating column 4, and the rotating column 4 is rotationally and the rotating.
As shown in fig. 4 and 7, the clamping mechanism 03 comprises a second motor 206 electrically connected with the control panel, the second motor 206 is fixedly connected to the upper side of the electric turntable 3 through a bracket, the electric turntable 3 is slidably connected with two moving frames 207 with central symmetry, the output shaft of the second motor 206 is fixedly connected with a gear, opposite sides of the moving frames 207 with central symmetry are fixedly connected with racks for meshing with the gears on the output shaft of the second motor 206, when the output shaft of the second motor 206 rotates, the two moving frames 207 with central symmetry move oppositely, the upper ends of the two moving frames 207 are slidably connected with three limit claws 208 with circumferential distribution, the centers of the three limit claws 208 with circumferential distribution and the circle center of the fixed disk 9 are positioned on the same vertical line for clamping and limiting the folds of the metal corrugated pipe, three limit claws 208 on the same movable frame 207 are jointly limited and slide to form a limit gear 210, a third motor 209 electrically connected with a control panel is fixedly connected to the movable frame 207, the output end of the third motor 209 is meshed with the adjacent limit gear 210 through a transmission gear, the limit gear 210 is driven to rotate together through the rotation of the control third motor 209, the three limit claws 208 are controlled to be opened or closed simultaneously, a support frame 2 is rotationally connected with two symmetrical squeeze rollers 211 on the upper side of a rotating disc 11, the two symmetrical squeeze rollers 211 are used for squeezing a metal corrugated pipe, damping exists at the rotation connection part between the rotating disc 11 and the support frame 2 and is used for effectively stretching the metal corrugated pipe through the cooperation of the adjacent limit claws 208, and a stretching assembly 05 is arranged on the upper side of the squeeze rollers 211 and is used for precisely controlling the stretched length of each section of the metal corrugated pipe.
As shown in fig. 3 and 9, the stretching assembly 05 includes a second fixing frame 407, the second fixing frame 407 is fixedly connected to one side of the support frame 2 higher than the squeeze roller 211, an inclined moving slide block 408 is fixedly connected to the upper side of the second fixing frame 407, a first wedge block 409 is slidingly connected to the lower side of the moving slide block 408, the first wedge block 409 has an inclined surface for squeezing the metal bellows fold, a fourth elastic member 410 is installed between the first wedge block 409 and the moving slide block 408, the fourth elastic member 410 is configured as a spring, when the metal bellows fold contacts with the inclined surface of the first wedge block 409, the pressure of the metal bellows fold is detected by the elastic force of the fourth elastic member 410, and only when the metal bellows fold is stretched for a sufficient length, the pressure of the metal bellows fold to the first wedge block 409 is sufficiently large to limit the metal bellows fold by the first wedge block 409, and the elastic force of the fourth elastic member 410 is greater than the damping between the squeeze roller 211 and the support frame 2.
Before the device operates, a worker needs to manually drag the metal corrugated tube to pass through the extrusion rollers 211, before the metal corrugated tube is dragged into the two extrusion rollers 211, the folds of the metal corrugated tube are extruded and limited by the inclined surfaces of the first wedge block 409, so that the metal corrugated tube is stretched, the extrusion force of the limited folds on the first wedge block 409 is gradually increased along with the stretching distance of the current part of the metal corrugated tube, when the extrusion force of the metal corrugated tube on the first wedge block 409 is gradually larger than the elastic force of the fourth elastic piece 410, the fourth elastic piece 410 starts to be compressed, and in the process, the extrusion force of the metal corrugated tube on the first wedge block 409 is in proportion to the stretching distance of the metal corrugated tube until the fourth elastic piece 410 is compressed until the limit of the limited folds on the metal corrugated tube is released by the first wedge block 409, the folds of the metal corrugated tube can pass through and enter between the two extrusion rollers 211, then the first wedge block 409 is reset under the elastic force of the fourth elastic piece 410, the positions of the metal corrugated tube are continuously limited, and each section of the metal corrugated tube is forced to be dragged to the same length until the metal corrugated tube can be pulled down to a fixed to the position of the metal corrugated tube, and the metal corrugated tube can be stretched to the same length, and the metal corrugated tube can be fixed to the position 9.
After the metal bellows is drawn down to the center of the fixed disk 9, the worker starts the second motor 206 through the control panel to operate, taking the right movable frame 207 as an example: the second motor 206 is driven by a gear to lift the moving frame 207 on the right, when the moving frame 207 on the right is lifted to the end position of the metal corrugated pipe, that is, the moving frame 207 on the right is located on the upper side of the rotating disc 11, at this time, the control panel closes the second motor 206 and opens the third motor 209 on the right, the moving frame 207 stops lifting, meanwhile, the third motor 209 on the right drives the adjacent limiting gears 210 through the driving gear to drive the adjacent three limiting claws 208 to clamp the metal corrugated pipe together, after the three limiting claws 208 clamp the metal corrugated pipe, the worker releases the metal corrugated pipe, then the control panel starts the second motor 206 and closes the third motor 209 on the right, so that the second motor 206 drives the moving frame 207 on the right to drag the metal corrugated pipe clamped by the second motor to move downwards.
Then the cabin door of the equipment is closed by the staff, the basic parameters of the metal corrugated pipe and the length of the required metal corrugated pipe are input through the control panel, and then the device is started to start working, and the device automatically cuts the metal corrugated pipe according to the data set by the staff.
In the process of pulling down the clamped metal bellows by the moving frame 207, the above steps are repeated to lengthen each section of metal bellows to the same length, until the distance between the electric saw blade 14 and the end of the metal bellows is equal to the length of the required metal bellows, and the control panel turns off the second motor 206.
When the distance between the electric saw blade 14 and the end of the metal corrugated pipe is equal to the length of the required metal corrugated pipe, the control panel starts the second electric push rod 202, the second electric push rod 202 pushes the right support column 4 and the upper part thereof to move upwards through the telescopic end of the second electric push rod, at this time, taking the right support column 4 and the upper part thereof as an example, when the support column 4 drives the upper part thereof to move upwards, the rotating column 5 drives the sliding sleeve 204 to move upwards synchronously through the upper convex column thereof, and the sliding sleeve 204 and the first elastic piece 205 move upwards simultaneously.
When the sliding sleeve 204 moves to the upper part of the corresponding sliding groove, the sliding sleeve 204 is limited and stops moving, but at the moment, the second electric push rod 202 continues to push the supporting column 4 and parts on the supporting column to move upwards, the first elastic piece 205 is compressed to start accumulating force, meanwhile, the rotating column 5 starts rotating along the spiral-shaped sliding groove of the sliding sleeve 204, the rotating column 5 drives the two moving rings 6 to move up and down through opposite threads, so that the limiting plates 8 which are symmetrical up and down are opened oppositely, and the limiting plates 8 which are symmetrical up and down are not moved any more until the rotating column 5 does not rotate any more, are positioned between two folds which are adjacent up and down in the metal corrugated pipe to be cut, support and positioning are provided for the supporting column from the inside of the metal corrugated pipe, and then the control panel closes the second electric push rod 202.
In the process of expanding the eight limiting plates 8 which are vertically symmetrical, the limiting plates 8 drive limiting blocks 201 which are connected with the limiting plates in a sliding mode to be synchronously expanded, but because the limiting blocks 201 are simultaneously connected with supporting columns 4 in a sliding mode, the limiting blocks are still supported on the upper side and the lower side of the electric saw blade 14 when the limiting plates 8 are expanded, the electric saw blade 14 is matched with the limiting blocks 201 on the upper side and the lower side, internal support is provided for the inner walls on the two sides of the cutting position of the electric saw blade 14 when the electric saw blade 14 cuts the metal corrugated pipe, the extruded metal corrugated pipe of the electric saw blade 14 is limited by the limiting blocks 201 on the upper side and the lower side, and the metal corrugated pipe is prevented from being deformed by extrusion before the electric saw blade 14 cuts the metal corrugated pipe, so that the stability of the metal corrugated pipe in the cutting process of the electric saw blade 14 is ensured.
After the work of the fixing process of cutting is finished, the control panel starts the first electric push rod 12, the electric saw blade 14 and the first motor 10, the telescopic end of the first electric push rod 12 pushes the first fixing frame 13 to drive the electric saw blade 14 to approach the metal corrugated pipe, the first motor 10 enables the rotating electric saw blade 14 to rotate along the circumferential direction of the fixing disc 9, the electric saw blade 14 rotates to cut the metal corrugated pipe, and after the cutting is finished, the control panel closes the electric saw blade 14 and the first motor 10 and simultaneously controls the first electric push rod 12 to retract the electric saw blade 14.
After the cutting is completed, the control panel controls the second electric push rod 202 to shrink, at this moment, the first elastic piece 205 is released at first, keep the sliding sleeve 204 still, make the rotating column 5 rotate and reset first, drive the part on it to move reversely and release the limit plate 8 to limit the metal bellows, after the first elastic piece 205 is released, the second electric push rod 202 drives the sliding sleeve 204 to reset, the second electric push rod 202 reduces the height of the support column 4 while resetting, avoid the support column 4 to collide with the fixed disk 9 when the following device operates, and the control panel controls the second motor 206 to rotate and finely adjust the height of the two side moving frames 207, prevent the moving frames 207 from colliding with the fixed disk 9 when the following device operates, after the second electric push rod 202 is completely shrunk to the lower part of the electric rotary disk 3, the control panel closes the second electric push rod 202, simultaneously starts the electric rotary disk 3, make the support column 4 on the left and right sides and the moving frames 207 on the left and the right sides replace each other, then the right side moving frames 207 and the right side support column 4 will repeat the operation, the operator opens the hatch door and cuts the metal bellows on the left side 4, and then the hatch door is closed, and the operation is continued.
In the process, because the metal corrugated pipe has certain elasticity and is in a stretched state before cutting, the contracted height of the metal corrugated pipe is smaller than the length before cutting, and the operation of the device is not influenced.
Example 2: on the basis of embodiment 1, as shown in fig. 4 and 10, still include the extrusion mechanism 04 that sets up in first mount 13 and follow its synchronous motion, extrusion mechanism 04 is used for preventing that the metal bellows from producing vibrations dislocation in the cutting process, extrusion mechanism 04 is including two first sliding block 301 of upper and lower symmetry, two first sliding block 301 all sliding connection are in first mount 13, install the second elastic component 302 between two first sliding block 301 and the first mount 13, the second elastic component 302 sets up to the extension spring, first sliding block 301 runs through and sliding connection has slide bar 303, the one end of slide bar 303 is spacing by first sliding block 301, the other end rigid coupling of slide bar 303 has spacing 304, two spacing 304 of upper and lower symmetry are located the both sides of electric saw bit 14 respectively, be used for making spacing 304 contact the outer wall of extrusion metal bellows earlier than electric saw bit 14, supplementary electric saw bit 14 cuts the metal bellows, install the third elastic component 305 between spacing 304 and the adjacent first sliding block 301, the third elastic component 305 sets up to the spring, the spacing block 306 is equipped with the spacing block 306 and is equipped with the expansion slope that the limit plate 304 is equipped with to the limit for the cutting to the limit for the two metal bellows, the limit plate 304 is cut to the limit plate is cut to the limit for the limit position is cut to the limit plate 8 when the limit for the limit position is cut to the limit for the limit position is cut, the limit plate is cut to the limit for the limit position is used for the limit position is cut to the limit position is used for making the limit plate 8, limit position is cut to be cut, limit profile is used for the limit position is cut to be used for the limit position to be cut to the limit for the limit position of limit the limit profile is to the limit, and is to the limit for the limit profile.
In the above process, after the support column 4 pushes the eight vertically symmetrical limiting plates 8 to the to-be-cut position, the control panel operates the first electric push rod 12 to push the first fixing frame 13 and the electric saw blade 14 to approach the metal bellows in advance, before the electric saw blade 14 contacts the metal bellows, the symmetrical limiting frame 304 on the first fixing frame 13 contacts the metal bellows first, then the first electric push rod 12 continues to push the first fixing frame 13 and the electric saw blade 14 to approach the metal bellows, the limiting frame 304 is extruded by the adjacent extrusion block 306 to drive the first sliding block 301 to move, meanwhile, the adjacent second elastic piece 302 is stretched, the adjacent third elastic piece 305 is compressed, the cross section cut by the electric saw blade 14 is far away, when the first sliding block 301 moves to the end of the corresponding sliding groove, the extrusion block 306 just ends extrusion of the limiting frame 304 and limits the cross section, at this time, the electric saw blade 14 does not contact the outer wall of the recess of the metal bellows, and then the device normally operates to complete the cutting process.
In the cutting process, the two limiting frames 304 and the eight limiting plates 8 in the pipe limit the upper side and the lower side of the metal corrugated pipe to be cut, so that vibration force generated when the metal corrugated pipe is cut in the cutting process is prevented from driving the metal corrugated pipe to move up and down, uneven cut of the electric saw blade 14 is caused, the two limiting frames 304 are further extruded along with the movement of the electric saw blade 14 into the metal corrugated pipe, reverse acting force generated by the two second elastic pieces 302 is further increased, and accordingly vibration force generated when the electric saw blade 14 moves into the metal corrugated pipe is correspondingly increased.
After the cutting process is completed, the limiting frame 304 and the connected parts are reversely operated and reset when the first electric push rod 12 is retracted.
Example 3: on the basis of embodiment 2, as shown in fig. 3 and 11, the device further comprises a discharging mechanism 06 arranged on the left side of the base 1, the discharging mechanism 06 is used for assisting in discharging the cut metal corrugated pipe, the discharging mechanism 06 comprises a fixing seat 501, the fixing seat 501 is fixedly connected on the left side of the base 1, a conveying pipe 502 and a guiding pipe 503 are fixedly connected on the left side of the base 1, the circle center of the conveying pipe 502 and the circle center of the guiding pipe 503 are positioned on the same straight line, a gap exists between the conveying pipe 502 and the circle center of the guiding pipe 503, the guiding pipe 503 guides the metal corrugated pipe through an arc on the guiding pipe, the characteristics of the rigidity and the flexibility of the metal corrugated pipe are utilized to smoothly guide the metal corrugated pipe into the middle of the conveying pipe 502 and the guiding pipe 503, the guiding pipe 503 is matched with a moving frame 207 on the left side, the moving frame 207 on the left side lifts the metal corrugated pipe into the guiding pipe 503 under the transmission of a second motor 206 to guide the metal corrugated pipe, and the discharging process is completed, the fixed seat 501 is rotationally connected with an electric screw rod 504, the fixed seat 501 is slidingly connected with two extrusion columns 505 which are symmetrical front and back, the electric screw rod 504 is provided with threads which are symmetrical front and back at two ends, the two extrusion columns 505 are respectively connected with the threads which are symmetrical front and back of the electric screw rod 504, the two extrusion columns 505 are controlled to drive parts thereon to synchronously approach or separate away by the rotation of the electric screw rod 504 and are used for adapting to the diameters of different metal bellows, the extrusion columns 505 are provided with electric rotating wheels 506, the two electric rotating wheels 506 which are symmetrical front and back are matched with the metal bellows through gaps between the conveying pipe 502 and the guide pipe 503, the metal bellows which is led between the conveying pipe 502 and the guide pipe 503 is just clamped under the regulation of the electric screw rod 504, then the two electric rotating wheels 506 drag the metal bellows to completely enter the conveying pipe 502 and the guide pipe 503, the guide tube 503 is provided with a reset assembly 07 for compressing the metal bellows on the left side of the power wheel 506.
As shown in fig. 3, 11 and 12, the reset assembly 07 includes two fixing blocks 507 that are symmetrical back and forth, the two fixing blocks 507 that are symmetrical back and forth are all fixedly connected to the upper side of the guide tube 503, the opposite sides of the two fixing blocks 507 are all slidably connected with a second sliding block 508, the two second sliding blocks 508 are fixedly connected with a squeezing wheel 509 together, wherein the second sliding block 508 on the front side is in limit fit with the squeezing column 505 on the front side, so that when the electric screw 504 adjusts the distance between the two squeezing columns 505 according to the diameter of the metal threaded tube, the position of the squeezing wheel 509 is synchronously adjusted, the squeezing wheel 509 is in press fit with the metal corrugated tube at the moment, a fifth elastic piece 511 is installed between the conveying tube 502 and the second wedge block 510, the fifth elastic piece 511 is set as a spring, the second wedge block 510 is pressed against the fold position of the metal corrugated tube through the set slope, and the metal corrugated tube is assisted to shrink according to the same principle as the first wedge block 409, so that the cut metal corrugated tube maintains a good elastic state.
When the preparation work is carried out before the cutting starts, a worker inputs the diameter of the metal corrugated pipe through the control panel, then the control panel starts the electric screw rod 504, the electric screw rod 504 rotates, the electric screw rod 504 synchronously adjusts the position of the electric rotating wheel 506 through the extrusion column 505, the electric rotating wheel is just used for clamping and transmitting the metal corrugated pipe, the diameter of the metal corrugated pipe is always adapted, and the subsequent extrusion process is convenient.
After the cutting is completed, the electric rotating disc 3 exchanges positions of the moving frames 207 on the left side and the right side, then the moving frame 207 on the right side stretches the metal corrugated tube to move downwards, the moving frame 207 on the left side is driven by the second motor 206 to move upwards, the cut metal corrugated tube is also driven by the moving frame 207 on the left side to move upwards, after the upper part of the metal corrugated tube is separated from the top of the supporting column 4, the metal corrugated tube is gradually contacted with the guide tube 503, then the metal corrugated tube is guided into the conveying tube 502 by the guide tube 503, then the electric rotating wheel 506 is opened by the control panel, the metal corrugated tube entering between the guide tube 503 and the conveying tube 502 is actively dragged leftwards, when the moving frame 207 on the right side moves downwards to a position for preparing cutting, the moving frame 207 on the left side cannot continue to move upwards again, and at the moment, the control panel enables the third motor 209 on the moving frame 207 on the left side to invert the limit of the cut metal corrugated tube, and the cut metal corrugated tube is conveyed between the guide tube 503 and the conveying tube 502 by the electric rotating wheel 506, and the metal corrugated tube 503 is synchronously dragged by the electric rotating wheel 503, and the metal corrugated tube is completely cut, and the continuous cutting process is maintained.
In the process that the electric rotating wheel 506 drags the cut metal corrugated pipe between the guide pipe 503 and the conveying pipe 502, the metal corrugated pipe is extruded and limited by the symmetrical extrusion wheel 509 and the second wedge block 510 in the process that the electric rotating wheel 506 moves leftwards, namely, the second wedge block 510 and the extrusion wheel 509 cooperate to block the fold position of the metal corrugated pipe to prevent the metal corrugated pipe from passing, but the electric rotating wheel 506 still continues to convey the metal corrugated pipe positioned on the right side of the metal corrugated pipe leftwards, at the moment, the metal corrugated pipe is forced to be compressed, the pressure of the fold position of the metal corrugated pipe to the inclined surface of the second wedge block 510 is in direct proportion to the compression degree of the metal corrugated pipe, namely, as the compression degree of the metal corrugated pipe is gradually increased, the second wedge block 510 continuously increases according to the extrusion force of the position where the metal corrugated pipe is limited, the second wedge block 510 moves downwards and compresses the fifth elastic piece 511, simultaneously, the position of the current metal corrugated pipe is gradually released, when the second wedge block 510 is separated from the current metal corrugated pipe fold position, the current metal corrugated pipe is enabled to pass, at the moment, the second wedge block 510 resets the position of the metal corrugated pipe under the action of the fifth elastic piece, the metal corrugated pipe is compressed, and the same principle, the metal corrugated pipe is cut, and the corrugated pipe is completed.
While the invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.
Claims (7)
1. The utility model provides a cutting device with locate function for metal part production, its characterized in that, including base (1), rigid coupling has support frame (2) in base (1), base (1) internal rotation is connected with electric turntable (3), there is symmetric distribution's support column (4) through support sliding connection on electric turntable (3), support column (4) keep away from one side sliding connection of electric turntable (3) has symmetric distribution's removal ring (6), support column (4) and symmetric distribution remove ring (6) all articulate have circumference evenly distributed's bracing piece (7), adjacent bracing piece (7) joint has limiting plate (8), the upside rigid coupling of support frame (2) has fixed disk (9), fixed disk (9) rotation is connected with rolling disc (11), fixed disk (9) rigid coupling has first motor (10), output shaft of first motor (10) with pass through gear train transmission between rolling disc (11), rolling disc (11) rigid coupling has first electric putter (12), first electric putter (13) are installed to first flexible mount (13), the base (1) is provided with a power assembly (02) for expanding the limiting plate (8) close to the electric saw blade (14), and the electric turntable (3) is provided with a clamping mechanism (03) for stretching a metal corrugated pipe;
The power assembly (02) comprises a second electric push rod (202), the second electric push rod (202) is fixedly connected to the base (1), the support column (4) is rotationally connected with a rotating column (5), the rotating column (5) is connected with the adjacent movable ring (6) through threads, the electric rotary table (3) is in limit sliding connection with symmetrically distributed sliding sleeves (204) through a support, the sliding sleeves (204) are matched with the adjacent rotating column (5), and a first elastic piece (205) is arranged between each sliding sleeve (204) and the adjacent support column (4);
The second electric push rod (202) is positioned at the lower side of the electric rotary table (3), and the telescopic end of the second electric push rod (202) penetrates through the electric rotary table (3) to be in extrusion fit with the support column (4) positioned at the axis of the fixed disc (9);
the limiting plate (8) is connected with a limiting block (201) in a sliding mode, the limiting block (201) is connected with the adjacent supporting columns (4) in a sliding mode, and the limiting block (201) is matched with the electric saw blade (14);
The sliding sleeve (204) is sleeved at the lower part of the adjacent rotating column (5), the sliding sleeve (204) is provided with a spiral chute, the sliding sleeve (204) is matched with the adjacent rotating column (5) through the spiral chute and is used for enabling the rotating column (5) to rotate, when the sliding sleeve (204) moves to the top end of the chute on the support which is in sliding connection with the sliding sleeve, the sliding sleeve (204) can not move upwards continuously along with the rotating column (5), the rotating column (5) starts to rotate along the spiral chute on the sliding sleeve (204), and the first elastic piece (205) is used for enabling the rotating column (5) to reset;
when the support column (4) drives the upper parts to move upwards, the rotating column (5) drives the sliding sleeve (204) to move upwards synchronously through the upper convex column, the sliding sleeve (204) and the first elastic piece (205) move upwards simultaneously, when the sliding sleeve (204) moves to the upper part of the corresponding sliding groove, the sliding sleeve (204) is limited and stops moving, but at the moment, the second electric push rod (202) continues to push the support column (4) and the upper parts thereof to move upwards, the first elastic piece (205) is compressed to start storing force, and meanwhile, the rotating column (5) starts to rotate along the spiral sliding groove of the sliding sleeve (204).
2. The cutting device with the positioning function for metal part production according to claim 1, wherein the clamping mechanism (03) comprises a second motor (206), the second motor (206) is fixedly connected with the electric rotating disc (3) through a support, the electric rotating disc (3) is slidably connected with a moving frame (207) which is distributed in a central symmetry mode, racks are fixedly connected to opposite sides of the moving frame (207) which are distributed in the central symmetry mode, a gear meshed with the racks on the moving frame (207) is fixedly connected to an output shaft of the second motor (206), limit claws (208) which are distributed in the circumferential direction are slidably connected to the upper end of the moving frame (207), limit gears (210) are jointly and slidably arranged on the limit claws (208) which are distributed in the circumferential direction on the same moving frame (207), a third motor (209) is fixedly connected to the moving frame (207), an output end of the third motor (209) is meshed with the adjacent limit gears (210) through a transmission gear, and the supporting frame (2) is provided with a stretching assembly (05) which is used for precisely controlling the length of a metal corrugated pipe to be stretched.
3. The cutting device with the positioning function for metal part production according to claim 2, wherein symmetrically distributed squeeze rollers (211) are rotationally connected to the upper side of the supporting frame (2), damping exists at rotational joints between the symmetrically distributed squeeze rollers (211) and the supporting frame (2), and the symmetrically distributed squeeze rollers (211) are used for stretching metal corrugated pipes in cooperation with adjacent limiting claws (208).
4. A cutting device with a positioning function for metal part production according to claim 3, characterized in that the stretching assembly (05) comprises a second fixing frame (407), the second fixing frame (407) is fixedly connected to one side, close to the squeeze roller (211), of the supporting frame (2), a movable sliding block (408) is fixedly connected to the second fixing frame (407), a first wedge block (409) is slidably connected to the movable sliding block (408), a fourth elastic piece (410) is installed between the first wedge block (409) and the movable sliding block (408), and the elastic force of the fourth elastic piece (410) is larger than the damping between the squeeze roller (211) and the supporting frame (2).
5. The cutting device with a positioning function for metal part production according to claim 1, further comprising a pressing mechanism (04) for preventing vibration dislocation of the metal corrugated pipe, wherein the pressing mechanism (04) is arranged on two sides of the first fixing frame (13), the pressing mechanism (04) comprises first sliding blocks (301) which are symmetrically distributed, the first sliding blocks (301) which are symmetrically distributed are slidably connected to the first fixing frame (13), second elastic pieces (302) are respectively arranged between the first sliding blocks (301) which are symmetrically distributed and the first fixing frame (13), sliding rods (303) are slidably connected to the first sliding blocks (301), limiting frames (304) which are symmetrically distributed are fixedly connected to the sliding rods (303), the limiting frames (304) are respectively located on two sides of the electric saw blade (14), third elastic pieces (305) are arranged between the limiting frames (304) and the adjacent first sliding blocks (301), the first fixing frame (13) is fixedly connected with the pressing blocks (306) which are symmetrically distributed, and the adjacent pressing frames (304) are matched with the limiting frames (304).
6. The cutting device with a positioning function for metal part production according to claim 2, further comprising a discharging mechanism (06) for assisting discharging, wherein the discharging mechanism (06) is arranged on one side, far away from the supporting frame (2), of the base (1), the discharging mechanism (06) comprises a fixing seat (501), the fixing seat (501) is fixedly connected with the base (1), a conveying pipe (502) and a guide pipe (503) are fixedly connected on one side, close to the fixing seat (501), of the base (1), the center of the conveying pipe (502) and the center of the guide pipe (503) are on the same straight line, a gap exists between the guide pipe (503) and the moving frame (207) far away from the supporting frame (2), the fixing seat (501) is rotationally connected with an electric screw (504), the fixing seat (501) is slidingly connected with symmetrically distributed extrusion columns (505), the symmetrically distributed extrusion columns (505) are in threaded connection with the electric screw (504), the electric screw (505) is installed with the electric screw (505), the electric screw (505) is symmetrically distributed with the electric screw (506), and the electric screw (506) is matched with the guide pipe (503) through the gap, the guide tube (503) is provided with a resetting component (07) for compressing the metal corrugated tube.
7. The cutting device with the positioning function for metal part production according to claim 6, wherein the reset assembly (07) comprises a fixed block (507), the fixed block (507) is fixedly connected with the guide tube (503), the fixed block (507) is slidably connected with a second sliding block (508), the second sliding block (508) is rotationally connected with a pressing wheel (509), the second sliding block (508) is in limit fit with one of the pressing columns (505), the conveying tube (502) is slidably connected with a second wedge block (510), a fifth elastic piece (511) is installed between the second wedge block (510) and the conveying tube (502), the second wedge block (510) and the pressing wheel (509) are symmetrically distributed, and the second wedge block (510) and the pressing wheel (509) are located on one side, away from the moving frame (207), of two sides of the symmetrically distributed pressing columns (505).
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| CN202410003082.9A CN117505982B (en) | 2024-01-02 | 2024-01-02 | Cutting device with positioning function for metal part production |
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| CN218694469U (en) * | 2022-10-26 | 2023-03-24 | 厦门欣正阳机械有限公司 | Cutting device is used in aluminum pipe production |
| CN116652285A (en) * | 2023-07-24 | 2023-08-29 | 泰州宏润金属科技有限公司 | Hardware cutting equipment |
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| US3831470A (en) * | 1972-07-13 | 1974-08-27 | E Maroschak | Method and apparatus for forming slits in tubes |
| CN1118727A (en) * | 1993-09-22 | 1996-03-20 | 威尔海姆·海格勒 | Apparatus for cutting slots in corrugated and twin-wall pipes |
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|---|---|
| CN117505982A (en) | 2024-02-06 |
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