CN113215843A - Stranding processing machinery and method for steel strand production and manufacturing - Google Patents
Stranding processing machinery and method for steel strand production and manufacturing Download PDFInfo
- Publication number
- CN113215843A CN113215843A CN202110491937.3A CN202110491937A CN113215843A CN 113215843 A CN113215843 A CN 113215843A CN 202110491937 A CN202110491937 A CN 202110491937A CN 113215843 A CN113215843 A CN 113215843A
- Authority
- CN
- China
- Prior art keywords
- bundling
- limiting
- positioning
- steel strand
- stranding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B3/00—General-purpose machines or apparatus for producing twisted ropes or cables from component strands of the same or different material
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
- D07B7/10—Devices for taking-up or winding the finished rope or cable
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B7/00—Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines
- D07B7/02—Machine details; Auxiliary devices
- D07B7/14—Machine details; Auxiliary devices for coating or wrapping ropes, cables, or component strands thereof
Landscapes
- Ropes Or Cables (AREA)
Abstract
The invention provides a steel strand production, manufacturing and stranding processing machine and a steel strand stranding processing method, which comprise an installation bottom plate, a supporting leg, a positioning mechanism, a bundling mechanism and a stranding mechanism, can solve the problems that the uniform positioning and clamping operation of a steel strand coil is difficult to be carried out in the steel strand stranding processing operation process, the stranded length of each section of steel strand and the consistency of the rotation angle during stranding are improved in the later-stage stranding operation process, the placed steel strand coil cannot adapt to the rotation angle during stranding to rotate, the anti-rust capability in the steel strand bundle gap during storage and transportation is difficult to be improved, and the synchronous centering guide operation of the steel strand bundles in different directions during stranding is difficult to be carried out, and carrying out secondary gathering and pressure maintaining operation on the stranded steel strand, eliminating the stress rebound effect of the material, and further improving the polymerization degree of the steel strand bundle and the like.
Description
Technical Field
The invention relates to the technical field of steel strand production and manufacturing, in particular to a steel strand production, manufacturing and stranding processing machine and a stranding processing method.
Background
The steel strand is a steel product formed by twisting a plurality of steel wires, a zinc-aluminum alloy layer, an aluminum-coated layer, a copper-coated layer, epoxy resin coating and the like can be added on the surface of the carbon steel according to the needs, wherein the steel strand can be divided into a prestressed steel strand, a galvanized steel strand for electric power and a stainless steel strand according to the types and the use purposes, the prestressed steel strand is also made of galvanized or galvanized aluminum alloy steel wires, the prestressed steel strand can be divided into 7 wires, 2 wires, 3 wires and 19 wires according to the number of the steel wires, and the most common structure is 7 wires. When the steel strand twisting operation is performed, a plurality of steel wires are required to be synchronously twisted and bundled, however, the following problems are often caused in the process:
1. traditional steel strand wires transposition operation in-process, because the pencil quantity that forms the steel strand wires is more, traditional transposition equipment is difficult to carry out unified location centre gripping operation to the steel strand wires book, promote the length that each section steel strand wires were stranded among the later stage transposition operation in-process and the uniformity of revolving the angle when the transposition, the angle of revolving when also can't make the steel strand wires book adaptation transposition after placing the completion carries out the rotation, promote the polymerization degree of each lines in the steel strand wires pencil when further promoting the smoothness when the steel strand wires relax.
2. In the traditional plate stranding and pressing process, because the steel strand is formed by stranding and combining a plurality of line segments, certain intervals exist between the wire harness and the wire harness, and in the storage and transportation processes, water vapor mixed in the gaps is difficult to effectively discharge and evaporate, so that the corrosion inside the steel strand can be caused in a long-time environment, and the overall performance of the steel strand is further influenced;
3. the steel strand wires in different directions are difficult to perform synchronous centered guiding operation during the traditional steel strand twisting operation process, so that the diameters of all sections of the steel strand wires are kept consistent, the steel strand wires after the twisting is difficult to perform secondary gathering and pressure maintaining operation, the stress resilience effect of the material is eliminated, and the polymerization degree of the steel strand wires is further improved.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a steel strand production, manufacturing and stranding processing machine and a stranding processing method.
The technical scheme adopted by the invention to solve the technical problem is as follows: the utility model provides a steel strand wires production manufacturing transposition processing machinery, includes mounting plate, supporting legs, positioning mechanism, bundles mechanism and transposition mechanism, mounting plate lower extreme corner all around evenly install the supporting legs, positioning mechanism is installed to mounting plate's upper end, installs on the positioning mechanism and bundles the mechanism, installs on the mounting plate and twists the mechanism.
The positioning mechanism comprises a fixed plate, a positioning rotating shaft, a positioning rotating disc, a synchronizing wheel, a synchronous belt, a driving rotating shaft, a driving motor, a positioning groove, a clamping sliding frame, a clamping spring, a limiting rotating disc and a limiting unit, wherein the fixed plate is installed at one end of a mounting base plate, a reinforcing rib is arranged between the fixed plate and the mounting base plate, the positioning rotating shaft is arranged at the upper end of the fixed plate, the positioning rotating disc is installed on the positioning rotating shaft in a rotating fit mode, the driving rotating shaft is installed on the fixed plate below the positioning rotating shaft through a bearing, the synchronizing wheel is installed on the driving rotating shaft through a spline, the synchronizing wheel is connected with the positioning rotating disc through the synchronous belt in a transmission mode, the driving motor is installed on the fixed plate through a motor base, an output shaft of the driving motor is connected with the driving rotating shaft through a coupler, and a plurality of groups of positioning grooves are evenly arranged on the positioning rotating disc along the circumferential direction of the positioning disc, install the spacing carousel of multiunit through normal running fit's mode in the constant head tank, the location carousel that is located the constant head tank both sides has evenly seted up multiunit centre gripping spout, evenly install multiunit centre gripping balladeur train through sliding fit's mode in the centre gripping spout, the one end of centre gripping balladeur train supports and leans on spacing carousel through sliding fit's mode, the other end of centre gripping balladeur train is connected with the location carousel through the centre gripping spring, be located and install spacing unit in the inboard location pivot of location carousel, the preliminary location of steel strand wires line book can be realized to the constant head tank of setting, further realize the circumference evenly installed of steel strand wires line book, set up and carry out the secondary positioning to the steel strand wires line book on spacing carousel in the two-way holding effect of centre gripping balladeur train accessible of constant head tank both sides, avoid the steel strand wires to take out the operation in-process on the line book and produce loose phenomenon simultaneously, the steel strand wires line book that can further promote later stage transposition operation in-process length and each section steel strand wires stranded and the length and the steel strand wires are twisted through circumference setting The twist keeps the wrap angle consistent.
The transposition mechanism include the stranded plate, the transposition rotary drum, the pressurize seat, the rolling bottom plate, rolling pivot and rolling motor, be close to the edge symmetry on the mounting plate and install the rolling bottom plate, install the rolling pivot through the bearing between the rolling bottom plate, install rolling motor through the motor cabinet on the rolling bottom plate, and rolling motor's output shaft is connected with the rolling pivot through the shaft coupling, be located the symmetrical installation stranded plate between rolling bottom plate and the direction slide on and install the stranded plate, install the transposition rotary drum between the stranded plate, and install the pressurize seat on the stranded plate that is close to rolling bottom plate one side, the steel strand wires pencil after the pressurize seat accessible circumference of setting makes the transposition accomplish carries out further polymerization and draws in, eliminate the stress rebound effect of its material, further promote the polymerization degree of steel strand wires pencil.
As a preferred technical scheme of the invention, the limiting unit comprises a limiting rotating shaft, a helical gear ring, a limiting plate, a limiting frame, a limiting rod and a limiting spring, wherein the helical gear ring is arranged on the positioning rotating shaft at the inner side of the positioning rotating disc along the circumferential direction of the positioning rotating shaft, a plurality of groups of limiting rotating shafts are arranged on the limiting rotating disc close to one end of the circle center of the positioning rotating disc, the limiting rotating shafts penetrate through the positioning rotating disc in a rotating fit manner, the helical gear is arranged at the end part of each limiting rotating shaft through a spline, the helical gear is in meshing transmission with the helical gear ring, the limiting plate is arranged on the positioning rotating shaft at the inner side of the helical gear ring in a rotating fit manner, the limiting frame is symmetrically arranged on the limiting plate in a sliding fit manner, the limiting frame is connected with the limiting plate through the limiting spring, the limiting rod is symmetrically arranged at the upper end of the limiting frame in a rotating fit manner, the steel strand wire coil can rotate while rotating in the circumferential direction through the meshing transmission between the helical gear and the helical gear ring, the smoothness of the steel strand when relaxing is further improved, the neutral line in the steel frame wire harness can be positioned by the aid of the limiting frame, the steel strand at the central position can further rotate to adapt to the rotation of the wire harness when twisted under the rotating action of the limiting plate, and the polymerization degree of each line in the steel strand wire harness is further improved.
As a preferred technical scheme of the invention, the bundling mechanism comprises a fixed rod, a bundling rotary table, a bundling barrel, a limiting barrel, an oil storage cavity, a sponge, a guide ring, a support rod, a support ring, a guide groove, guide slide bars, a guide slide seat and a bundling unit, wherein the fixed rod is uniformly arranged on the disc surface of the positioning rotary table along the circumferential direction of the disc surface, the bundling rotary table is arranged at the end part of the fixed rod, the limiting barrel is uniformly arranged on the circumferential side wall of the bundling rotary table along the circumferential direction of the disc surface, the limiting barrel is arranged in the middle of the bundling rotary table, the guide rings are symmetrically arranged at the two ends of the limiting barrel, the oil storage cavity is arranged in the limiting barrel between the guide rings along the circumferential direction of the limiting barrel, the sponge is uniformly arranged in the circumferential direction of the limiting barrel, the guide slide bars are uniformly arranged on the circumferential direction of the side wall of the limiting barrel far away from one side of the positioning rotary table, the guide slide seats are arranged at the end part of the guide slide bars, the bundling rotary table is uniformly arranged on the disc surface far away from one side of the positioning rotary table along the circumferential direction of the bundling rotary table along the circumferential direction of the supporting rod, the tip of bracing piece is installed and is supported the ring, evenly seted up the guide way along its circumference on the lateral wall of support ring, install in the receipts bundle section of thick bamboo and restraint the unit, the slider of restrainting of receipts that sets up can carry out the steel strand wires that pass the spout of restrainting under the elasticity promotion of the spring of restrainting of receipts and carry out the centre gripping operation of circumferential holding tightly, further make receive between a bundle section of thick bamboo and the spacing carousel and receive the steel strand wires between a bundle section of thick bamboo and the transposition rotary drum and all be in the state of tightening, the steel strand wires that can make circumference arrange through the slope guide effect of direction slide are received and are restrainted between two parties, make its state of tentatively forming the pencil.
As a preferred technical scheme of the present invention, the bundling unit includes a bundling chute, a bundling slider, a bundling spring and a bundling sliding frame, the bundling chute is uniformly disposed on the bundling barrel along a circumferential direction of the bundling barrel, the bundling slider is uniformly mounted in the bundling chute in a sliding fit manner, the bundling slider is connected with the bundling barrel through the bundling spring, and the bundling sliding frame is mounted on the bundling barrel on a side close to the positioning turntable.
As a preferred technical scheme of the invention, the limiting rotary disc is provided with an installation shaft matched with the inner side aperture of the steel strand installation cylinder.
As a preferred technical solution of the present invention, the inside of the twisting drum is provided with a step surface with a gradually decreasing diameter, and the step surface arranged in the twisting drum can further perform a gradual and uniform twisting operation on each steel strand so as to keep the diameters of each section of the steel strand bundle consistent.
As a preferred technical scheme of the invention, the bundling sliding block is of a conical structure, and the contact surface of the bundling sliding block and the steel strand is an arc-shaped curved surface matched with the circumferential outer wall of the steel strand.
As a preferable technical scheme of the invention, the guide sliding seat is of a conical structure, and the diameter of the circumference of one side close to the limiting cylinder is larger than the diameter of the circumference of one side far away from the limiting cylinder.
As a preferred technical scheme, the sponge is uniformly arranged along the outer side of the oil storage cavity, one side of the sponge is connected with the oil storage cavity, the other end of the sponge is uniformly provided with the hairbrush, the arranged sponge can adsorb rust preventive oil in the oil storage cavity, the rust preventive oil is uniformly coated on the steel stranded wires through the hairbrush, the rust preventive oil is uniformly coated on the outer walls of the steel stranded wires in the middle, the steel stranded wires can be further coated on the steel stranded wires at the edge positions through the contact and abutting action in the subsequent stranding process, and meanwhile, the rust preventive performance of the stranded wires in the steel stranded wire bundles after being stranded is improved.
The invention also provides a stranding processing method of the stranding processing machine for producing and manufacturing the steel strand, which comprises the following steps of:
s1, placing steel strands: firstly, uniformly sleeving and installing steel strands to be stranded in a positioning mechanism by manpower, and filling antirust oil into a bundling mechanism;
s2, positioning and coating: further positioning and clamping the steel strand through a positioning mechanism, pulling out one end of the steel strand, enabling the steel strand to sequentially pass through a bundling mechanism and be wound on a stranding mechanism;
s3, bundling and guiding: the steel strands are pulled by the twisting mechanism to carry out uniform conveying movement, a plurality of steel strands which penetrate through the twisting mechanism are subjected to centered bundling guiding by the bundling mechanism, and rust-proof oil is coated on the steel strands in the middle position;
s4, stranding and rolling: in the process of the step S3, a plurality of steel strands are stranded into one strand by the stranding mechanism, and the stranded steel strands are wound.
Compared with the prior art, the invention has the following advantages:
1. the positioning mechanism designed by the invention has the advantages that the positioning grooves can realize the primary positioning of the steel strand wire coil, further realize the circumferential uniform installation of the steel strand wire coil, the clamping sliding frames arranged at the two sides of the positioning grooves can carry out the secondary positioning of the steel strand wire coil on the limiting turntable through the bidirectional holding action, meanwhile, the loosening phenomenon of the steel strand in the process of drawing the steel strand on the coil is avoided, the stranding length of each section of the steel strand in the later-stage stranding operation process and the rotation angle during stranding can be further improved to be consistent through the steel strand coil arranged in the circumferential direction, the steel strand wire coil can rotate while rotating in the circumferential direction through meshing transmission between the helical gear and the helical gear ring, smoothness of the steel strand when the steel strand is loosened is further improved, the neutral wire in the steel frame wire harness can be positioned by the arranged limiting frame, and the polymerization degree of each wire in the steel strand wire harness is further improved.
2. According to the bunching and twisting mechanism designed by the invention, the arranged bunching slide block can be pushed by the elasticity of the bunching spring to carry out circumferential clasping and clamping operation on the steel stranded wires passing through the bunching chute, the steel stranded wires between the bunching barrel and the limiting rotary table and between the bunching barrel and the twisting rotary drum are in a tightened state, the steel stranded wires distributed in the circumferential direction can be centrally bunched under the inclined guiding action of the guiding slide seat to preliminarily form a bunch state, the two ends of the steel stranded wire passing part can be centrally aligned by the arranged guiding ring, the centering degree of the steel stranded wires in the twisting rotary drum is further improved, the arranged sponge can adsorb rust preventive oil in the oil storage cavity, the rust preventive oil is uniformly coated on the steel stranded wires through the brush, the rust preventive oil is uniformly coated on the outer wall of the steel stranded wires in the middle part, the rust preventive oil can be further coated on the steel stranded wires at the edge position under the contact and abutting action in the subsequent twisting process, meanwhile, the antirust performance of the steel strand is improved, each steel strand can be further subjected to gradual and uniform stranding operation by the aid of the step surface arranged in the stranding drum, diameters of sections of the steel strand wire harness are kept consistent, the steel strand wire harness after stranding is further gathered under the action of circumferential extrusion of the pressure maintaining seat, the stress rebound effect of materials of the steel strand wire harness is eliminated, and the degree of polymerization of the steel strand wire harness is further improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a first schematic cross-sectional view of the present invention;
FIG. 3 is a second schematic cross-sectional view of the present invention;
FIG. 4 is an enlarged schematic view taken at A of FIG. 2 of the present invention;
FIG. 5 is an enlarged view of the present invention at B, C and D of FIG. 3;
FIG. 6 is a schematic view of a partial perspective view of the positioning mechanism of the present invention;
FIG. 7 is a schematic view of a partial perspective view of the binding mechanism of the present invention;
FIG. 8 is a partial perspective view of the convergence unit of the present invention;
fig. 9 is a partial perspective view of the twisting mechanism of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 9.
The utility model provides a steel strand wires production manufacturing transposition processing machinery, includes mounting plate 1, supporting legs 2, positioning mechanism 3, 4 and the transposition mechanism 5 of closing up, 1 lower extreme of mounting plate corner all around evenly install supporting legs 2, positioning mechanism 3 is installed to the upper end of mounting plate 1, installs on the positioning mechanism 3 and closes up mechanism 4, installs the transposition mechanism 5 on mounting plate 1.
The positioning mechanism 3 comprises a fixing plate 3a, a positioning rotating shaft 3b, a positioning rotary disc 3c, a synchronizing wheel 3d, a synchronizing belt 3e, a driving rotating shaft 3f, a driving motor 3g, a positioning groove 3h, a clamping sliding groove 3j, a clamping sliding frame 3k, a clamping spring 3m, a limiting rotary disc 3n and a limiting unit 3p, wherein the fixing plate 3a is installed at one end of the installation base plate 1, a reinforcing rib is arranged between the fixing plate 3a and the installation base plate 1, the positioning rotating shaft 3b is arranged at the upper end of the fixing plate 3a, the positioning rotary disc 3c is installed on the positioning rotating shaft 3b in a rotation matching mode, the driving rotating shaft 3f is installed on the fixing plate 3a below the positioning rotating shaft 3b through a bearing, the synchronizing wheel 3d is installed on the driving rotating shaft 3f through a spline, and the synchronizing wheel 3d is in transmission connection with the positioning rotary disc 3c through the synchronizing belt 3e, a driving motor 3g is arranged on the fixed plate 3a through a motor base, an output shaft of the driving motor 3g is connected with a driving rotating shaft 3f through a coupler, a plurality of groups of positioning grooves 3h are uniformly arranged on the positioning rotary disc 3c along the circumferential direction, a plurality of groups of limiting rotary discs 3n are arranged in the positioning grooves 3h in a rotating fit mode, and be provided with on spacing carousel 3n with steel strand wires installation section of thick bamboo inboard aperture matched with installation axle, evenly seted up multiunit centre gripping spout 3j on the location carousel 3c that is located constant head tank 3h both sides, evenly install multiunit centre gripping balladeur train 3k through sliding fit's mode in the centre gripping spout 3j, the one end of centre gripping balladeur train 3k supports through sliding fit's mode and leans on spacing carousel 3n, the other end of centre gripping balladeur train 3k is connected with location carousel 3c through clamping spring 3m, be located and install spacing unit 3p on the inboard location pivot 3b of location carousel 3 c.
The limiting unit 3p comprises a limiting rotating shaft 3p1, a helical gear 3p2, a helical gear ring 3p3, a limiting plate 3p4, a limiting frame 3p5, a limiting rod 3p6 and a limiting spring 3p7, the positioning rotating shaft 3b positioned at the inner side of the positioning rotating disc 3c is provided with the helical gear ring 3p3 along the circumferential direction thereof, the limiting rotating disc 3n close to one end of the circle center of the positioning rotating disc 3c is provided with a plurality of groups of limiting rotating shafts 3p1, the limiting rotating shaft 3p1 penetrates through the positioning rotating disc 3c in a rotating fit mode, the end part of the limiting rotating shaft 3p1 is provided with the helical gear 3p2 through splines, the helical gear 3p2 is in meshing transmission with the helical gear ring 3p3, the limiting plate 3p4 is arranged on the positioning rotating shaft 3b positioned at the inner side of the helical gear ring 3p3 in a rotating fit mode, the limiting frame 3p4 is symmetrically provided with the limiting frame 3p5 in a sliding fit mode, and the limiting frame 3p5 is connected with the limiting plate 4 through the limiting spring 3p7, the upper end of the limiting frame 3p5 is symmetrically provided with a limiting rod 3p6 in a rotating fit mode.
When the steel strand coil twisting machine works, a steel strand coil for twisting is prepared manually, then the clamping carriage 3k is further pushed to contract into the clamping sliding groove 3j, the effective space distance in the positioning groove 3h is larger than the diameter of the steel strand coil, then the steel strand coil is further sleeved along the mounting shaft on the limiting turntable 3n, after the sleeving is completed, the pushing action on the clamping carriage 3k is released, then the clamping carriage 3k resets and slides into the positioning groove 3h again under the elastic force resetting action of the clamping spring 3m, and further abuts against the steel strand coil, so that the positioning and clamping operation of the steel strand coil is realized, the steel wire is kept in a tight-bundle state all the time in the subsequent twisting operation, after the steel wire coil on the limiting turntable 3n is placed, the limiting frames 3p5 which are symmetrically arranged are further pulled outwards synchronously by manpower along the limiting plate 3p4, further drive gag lever post 3p6 and pull open, later further establish a coil of steel strand book through the manual work to the cover on gag lever post 3p6, after the cover is established and is accomplished, loosen the pulling effect to spacing 3p5, later further promote spacing 3p5 and reset under spacing spring 3p 7's elasticity restoration pulling, further realize the centre gripping operation to the coil of steel strand, at this moment, the steel strand who overlaps on spacing carousel 3n is used for the marginal pencil of steel strand pencil, the steel strand who overlaps in spacing 3p5 is used for the central pencil in the steel strand pencil.
The bundling mechanism 4 comprises a fixed rod 4a, a bundling rotary table 4b, a bundling barrel 4c, a limiting barrel 4d, an oil storage cavity 4e, a sponge 4f, a guide ring 4g, a support rod 4h, a support ring 4j, a guide groove 4k, a guide slide rod 4m, a guide slide seat 4n and a bundling unit 4p, wherein the fixed rod 4a is uniformly arranged on the disc surface of the positioning rotary table 3c along the circumferential direction thereof, the bundling rotary table 4b is arranged at the end part of the fixed rod 4a, the limiting barrel 4d is uniformly arranged on the circumferential side wall of the bundling rotary table 4b along the circumferential direction thereof, the limiting barrel 4d is arranged in the middle part of the bundling rotary table 4b, the guide rings 4g are symmetrically arranged at the two ends of the limiting barrel 4d, the oil storage cavity 4e is arranged in the limiting barrel 4d between the guide rings 4g along the circumferential direction thereof, the sponge 4f is uniformly arranged in the limiting barrel 4d along the circumferential direction thereof, one side of the sponge 4f is connected with the oil storage cavity 4e, the other end of sponge 4f evenly is provided with the brush, evenly installs guide slide bar 4m along its circumference on keeping away from the spacing section of thick bamboo 4d lateral wall of location carousel 3c one side, and guide slide bar 4n is installed to guide slide bar 4 m's tip, guide slide 4n be the toper structure, and be greater than the circumference diameter of keeping away from spacing section of thick bamboo 4d one side near the circumference diameter of spacing section of thick bamboo 4d one side, evenly install bracing piece 4h along its circumference in keeping away from the bundling carousel 4b quotation of location carousel 3c one side, support ring 4j is installed to the tip of bracing piece 4h, evenly seted up guide way 4k along its circumference on the lateral wall of support ring 4j, install bundling unit 4p in the bundling section of thick bamboo 4 c.
The bundling unit 4p comprises a bundling sliding groove 4p1, a bundling sliding block 4p2, a bundling spring 4p3 and a bundling sliding frame 4p4, the bundling sliding groove 4p1 is uniformly formed in the bundling barrel 4c along the circumferential direction of the bundling barrel, the bundling sliding block 4p2 is uniformly arranged in the bundling sliding groove 4p1 in a sliding fit mode, the bundling sliding block 4p2 is connected with the bundling barrel 4c through the bundling spring 4p3, the bundling sliding block 4p2 is of a conical structure, the contact surface of the bundling sliding block 4p2 and the steel strand is an arc-shaped curved surface matched with the circumferential outer wall of the steel strand, and the bundling sliding frame 4p4 is arranged on the bundling barrel 4c close to one side of the positioning turntable 3 c.
During the specific work, after the steel stranded wires on the limiting rotary disc 3n and the limiting frame 3p5 are sleeved, the steel stranded wires on the limiting rotary disc 3n are pulled out manually and sequentially pass through the bundling sliding frame 4p4 and the bundling barrel 4c, then the steel stranded wires are tightly clamped and circumferentially adhered to the outer wall of the guiding sliding seat 4n after being limited and turned by the guiding groove 4k, the arranged bundling sliding block 4p2 can push the steel stranded wires passing through the bundling sliding groove 4p1 under the elastic force of the bundling spring 4p3, further the steel stranded wires between the bundling barrel 4c and the limiting rotary disc 3n and between the bundling barrel 4c and the twisting rotating cylinder 5b are in a tight state, the circumferential steel stranded wires can be centered and arranged under the inclined guiding action of the guiding sliding seat 4n to enable the wire bundles to form a preliminary state, and then the steel stranded wires on the limiting frame 5 are pulled out manually, the steel strand wires sequentially pass through the limiting cylinder 4d and the middle part of the guide sliding seat 4n and finally reach the twisting rotary cylinder 5b and are in a centered state, in the process that the steel strand wires pass through the limiting cylinder 4d, the two ends of the part, where the steel strand wires pass through, of the steel strand wires can be in a centered state, the centering degree of the steel strand wires in the twisting rotary cylinder 5b is further improved, the arranged sponge 4f can adsorb rust preventive oil in the oil storage cavity 4e, the rust preventive oil is uniformly coated on the steel strand wires through a brush, the rust preventive oil is uniformly coated on the outer wall of the steel strand wires in the middle part, the rust preventive oil can be further coated on the steel strand wires at the edge position through contact and abutting action in the subsequent twisting process, meanwhile, the rust preventive performance of the steel strand wires in the steel strand wire bundle after being twisted is improved, and after the steel strand wires are completely polymerized in the twisting rotary cylinder 5b, further starting the driving motor 3g to rotate, further enabling the positioning rotary table 3c to synchronously rotate through the transmission connection between the synchronous wheel 3d and the synchronous belt 3e, further driving the steel strand coil positioned on the limiting rotary table 3n to synchronously rotate in the circumferential direction, realizing the spiral stranding operation of the steel strands, because the positioning rotary shaft 3b is in a fixed state, the positioning turntable 3c rotates and simultaneously further drives the limiting rotating shaft 3p1 to synchronously rotate in the circumferential direction, the bevel gear 3p2 is further driven to synchronously rotate in the circumferential direction, the bevel gear 3p2 is further meshed with the bevel gear 3p3 during the circumferential rotation to enable the limiting rotating shaft 3p1 to rotate while revolving, the steel strand coil on the limiting turntable 3n is further driven to rotate, the loosening operation of the steel strands is realized, and the continuity and the stability of conveying of each strand in the steel strand twisting process are improved.
Transposition mechanism 5 include transposition board 5a, transposition rotary drum 5b, pressurize seat 5c, rolling bottom plate 5d, rolling pivot 5e and rolling motor 5f, install bottom plate 1 and go up and be close to the edge symmetry and install rolling bottom plate 5d, install rolling pivot 5e through the bearing between the rolling bottom plate 5d, install rolling motor 5f through the motor cabinet on the rolling bottom plate 5d, and the output shaft of rolling motor 5f is connected with rolling pivot 5e through the shaft coupling, lie in the symmetry and install transposition board 5a on the installation bottom plate 1 between rolling bottom plate 5d and the direction slide 4n, install transposition rotary drum 5b between the transposition board 5a, the inside step face that reduces gradually of diameter that is provided with of transposition rotary drum 5b, and install on the transposition board 5a that is close to rolling bottom plate 5d one side and pressurize seat 5 c.
During specific work, in the process of carrying out rotation stranding operation on steel strands, step surfaces arranged in the stranding rotary drum 5b can further enable the steel strands to be subjected to gradual and uniform stranding operation, diameters of sections of the steel strand wire harnesses are kept consistent, the arranged pressure maintaining seat 5c can enable the stranded steel strand wire harnesses to be subjected to further polymerization folding under the circumferential extrusion action, the stress rebound action of materials of the steel strand wire harnesses is eliminated, then the steel strand wire harnesses after pressure maintaining and shaping are further sleeved and wound on the winding rotating shaft 5e, then the winding motor 5f is further started to rotate, the winding effect on the steel strand wire harnesses is achieved, and continuous and stable pulling conveying operation is further carried out on the steel strands to be subjected to winding stranding operation.
In addition, the invention also provides a stranding processing method of the stranding processing machine for producing and manufacturing the steel strand, and the specific stranding processing method comprises the following steps:
s1, placing steel strands: firstly, uniformly sleeving and installing steel strands to be stranded into a positioning mechanism 3 by manpower, and filling antirust oil into a bundling mechanism 4;
s2, positioning and coating: further, the steel strand is positioned and clamped through a positioning mechanism 3, and one end of the steel strand is pulled out, so that the steel strand sequentially passes through a bundling mechanism 4 and is wound on a twisting mechanism 5;
s3, bundling and guiding: the steel strands are pulled by the twisting mechanism 5 to carry out uniform conveying movement, a plurality of steel strands which penetrate through the twisting mechanism 4 are subjected to centralized bundling guide, and rust preventive oil is coated on the steel strands in the middle;
s4, stranding and rolling: in the process of step S3, a plurality of steel strands are stranded into one strand by the stranding mechanism 5, and the stranded steel strands are wound.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a strand processing machinery is made in steel strand wires production, includes mounting plate (1), supporting legs (2), positioning mechanism (3), bundles mechanism (4) and transposition mechanism (5), its characterized in that: mounting plate (1) lower extreme corner all around evenly install supporting legs (2), positioning mechanism (3) are installed to the upper end of mounting plate (1), install on positioning mechanism (3) and restraint mechanism (4), install transposition mechanism (5) on mounting plate (1), wherein:
the positioning mechanism (3) comprises a fixing plate (3a), a positioning rotating shaft (3b), a positioning rotary disc (3c), a synchronizing wheel (3d), a synchronous belt (3e), a driving rotating shaft (3f), a driving motor (3g), a positioning groove (3h), a clamping sliding groove (3j), a clamping sliding frame (3k), a clamping spring (3m), a limiting rotary disc (3n) and a limiting unit (3p), wherein the fixing plate (3a) is installed at one end of the installation base plate (1), a reinforcing rib is arranged between the fixing plate (3a) and the installation base plate (1), the positioning rotating shaft (3b) is arranged at the upper end of the fixing plate (3a), the positioning rotary disc (3c) is installed on the positioning rotating shaft (3b) in a rotating matching mode, the driving rotating shaft (3f) is installed on the fixing plate (3a) below the positioning rotating shaft (3b) through a bearing, a synchronizing wheel (3d) is arranged on the driving rotating shaft (3f) through a spline, the synchronizing wheel (3d) is in transmission connection with the positioning rotary table (3c) through a synchronous belt (3e), a driving motor (3g) is arranged on the fixing plate (3a) through a motor base, an output shaft of the driving motor (3g) is connected with the driving rotating shaft (3f) through a coupler, a plurality of groups of positioning grooves (3h) are uniformly arranged on the positioning rotary table (3c) along the circumferential direction of the positioning rotary table, a plurality of groups of limiting rotary tables (3n) are arranged in the positioning grooves (3h) in a rotation fit mode, a plurality of groups of clamping sliding grooves (3j) are uniformly arranged on the positioning rotary table (3c) positioned at two sides of the positioning grooves (3h), a plurality of groups of clamping sliding carriages (3k) are uniformly arranged in the clamping sliding fit mode, one end of each clamping carriage (3k) is abutted against the limiting rotary table (3n) in a sliding fit mode, the other end of the clamping sliding frame (3k) is connected with a positioning rotary table (3c) through a clamping spring (3m), and a positioning rotary shaft (3b) positioned on the inner side of the positioning rotary table (3c) is provided with a limiting unit (3 p);
the twisting mechanism (5) comprises twisting plates (5a), twisting rotary drums (5b), pressure maintaining seats (5c), rolling bottom plates (5d), rolling rotating shafts (5e) and rolling motors (5f), the rolling bottom plates (5d) are symmetrically arranged on the mounting bottom plates (1) close to the edges, the rolling rotating shafts (5e) are arranged between the rolling bottom plates (5d) through bearings, the rolling motors (5f) are arranged on the rolling bottom plates (5d) through motor seats, and the output shaft of the rolling motor (5f) is connected with a rolling rotating shaft (5e) through a coupler, stranded plates (5a) are symmetrically arranged on a mounting base plate (1) positioned between a rolling base plate (5d) and a guide sliding seat (4n), stranded rotary drums (5b) are arranged between the stranded plates (5a), and a pressure maintaining seat (5c) is arranged on the twisted plate (5a) close to one side of the rolling bottom plate (5 d).
2. The strand manufacturing and stranding machine as claimed in claim 1, wherein: the limiting unit (3p) comprises a limiting rotating shaft (3p1), a helical gear (3p2), a helical gear ring (3p3), a limiting plate (3p4), a limiting frame (3p5), a limiting rod (3p6) and a limiting spring (3p7), the positioning rotating shaft (3b) positioned at the inner side of the positioning rotating disc (3c) is provided with the helical gear ring (3p3) along the circumferential direction thereof, a plurality of groups of limiting rotating shafts (3p1) are arranged on the limiting rotating disc (3n) close to one end of the circle center of the positioning rotating disc (3c), the limiting rotating shaft (3p1) penetrates through the positioning rotating disc (3c) in a rotating matching mode, the helical gear (3p2) is arranged at the end part of the limiting rotating shaft (3p1) through a spline, the helical gear (3p2) is in meshing transmission with the helical gear ring (3p3), and the limiting plate (3p4) is arranged on the positioning rotating shaft (3b) positioned at the inner side of the helical gear ring (3p3) in a rotating matching mode, limiting frames (3p5) are symmetrically installed on the limiting plates (3p4) in a sliding fit mode, the limiting frames (3p5) are connected with the limiting plates (3p4) through limiting springs (3p7), and limiting rods (3p6) are symmetrically installed at the upper ends of the limiting frames (3p5) in a rotating fit mode.
3. The strand manufacturing and stranding machine as claimed in claim 1, wherein: the bundling mechanism (4) comprises a fixing rod (4a), bundling turntables (4b), bundling barrels (4c), limiting barrels (4d), oil storage cavities (4e), sponges (4f), guide rings (4g), a supporting rod (4h), a supporting ring (4j), a guide groove (4k), a guide slide rod (4m), a guide slide seat (4n) and a bundling unit (4p), wherein the fixing rod (4a) is uniformly arranged on the disk surface of the positioning turntable (3c) along the circumferential direction of the disk surface, the bundling turntables (4b) are arranged at the end parts of the fixing rod (4a), the limiting barrels (4d) are uniformly arranged on the circumferential side wall of the bundling turntables (4b) along the circumferential direction of the side wall, the limiting barrels (4d) are arranged in the middle parts of the bundling turntables (4b), the guide rings (4g) are symmetrically arranged at two ends of the limiting barrels (4d), the oil storage cavities (4e) are arranged in the limiting barrels (4d) between the guiding rings (4g) along the circumferential direction of the limiting barrels, evenly be provided with sponge (4f) along its circumference in spacing section of thick bamboo (4d), evenly install guide slide bar (4m) along its circumference on keeping away from spacing section of thick bamboo (4d) lateral wall of location carousel (3c) one side, guide slide (4n) are installed to the tip of guide slide bar (4m), evenly install bracing piece (4h) along its circumference in keeping away from bundling carousel (4b) quotation of location carousel (3c) one side, support ring (4j) are installed to the tip of bracing piece (4h), evenly seted up guide way (4k) along its circumference on the lateral wall of support ring (4j), it restraints unit (4p) to install in bundling section of thick bamboo (4 c).
4. The strand manufacturing and stranding machine as claimed in claim 3, wherein: the bundling unit (4p) comprises a bundling sliding groove (4p1), a bundling sliding block (4p2), a bundling spring (4p3) and a bundling sliding frame (4p4), the bundling sliding groove (4p1) is uniformly formed in the bundling cylinder (4c) along the circumferential direction of the bundling cylinder, the bundling sliding block (4p2) is uniformly arranged in the bundling sliding groove (4p1) in a sliding fit mode, the bundling sliding block (4p2) is connected with the bundling cylinder (4c) through the bundling spring (4p3), and the bundling sliding frame (4p4) is arranged on the bundling cylinder (4c) close to one side of the positioning turntable (3 c).
5. The strand manufacturing and stranding machine as claimed in claim 1, wherein: and the limiting rotary table (3n) is provided with an installation shaft matched with the inner side aperture of the steel strand installation cylinder.
6. The strand manufacturing and stranding machine as claimed in claim 1, wherein: the inner part of the twisting rotary drum (5b) is provided with a step surface with the diameter gradually reduced.
7. The strand manufacturing and stranding machine as claimed in claim 4, wherein: the bundling sliding block (4p2) is of a conical structure, and the contact surface of the bundling sliding block (4p2) and the steel strand is an arc-shaped curved surface matched with the circumferential outer wall of the steel strand.
8. The strand manufacturing and stranding machine as claimed in claim 3, wherein: the guide sliding seat (4n) is of a conical structure, and the diameter of the circumference of one side close to the limiting cylinder (4d) is larger than that of the circumference of one side far away from the limiting cylinder (4 d).
9. The strand manufacturing and stranding machine as claimed in claim 3, wherein: sponge (4f) evenly set up along the outside of oil storage chamber (4e), one side of sponge (4f) is connected with oil storage chamber (4e), the other end of sponge (4f) evenly is provided with the brush.
10. The strand manufacturing and stranding machine as claimed in claim 1, wherein: the specific stranding processing operation is carried out by adopting the steel strand manufacturing and stranding processing machine, and the specific stranding processing method comprises the following steps:
s1, placing steel strands: firstly, uniformly sleeving and installing steel strands to be stranded into a positioning mechanism (3) by manpower, and filling antirust oil into a bundling mechanism (4);
s2, positioning and coating: the steel strand is further positioned and clamped through a positioning mechanism (3), one end of the steel strand is pulled out, and the steel strand sequentially passes through a bundling mechanism (4) and is wound on a twisting mechanism (5);
s3, bundling and guiding: the steel strands are pulled by the twisting mechanism (5) to carry out uniform conveying movement, a plurality of steel strands which penetrate through the twisting mechanism (4) are subjected to centralized bundling guide, and rust preventive oil is coated on the steel strands in the middle;
s4, stranding and rolling: in the process of the step S3, a plurality of steel strands are stranded into one strand through the stranding mechanism (5), and the stranded steel strands are wound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110491937.3A CN113215843A (en) | 2021-05-06 | 2021-05-06 | Stranding processing machinery and method for steel strand production and manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110491937.3A CN113215843A (en) | 2021-05-06 | 2021-05-06 | Stranding processing machinery and method for steel strand production and manufacturing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113215843A true CN113215843A (en) | 2021-08-06 |
Family
ID=77091044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110491937.3A Withdrawn CN113215843A (en) | 2021-05-06 | 2021-05-06 | Stranding processing machinery and method for steel strand production and manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113215843A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113846499A (en) * | 2021-09-18 | 2021-12-28 | 安徽通利预应力科技有限公司 | Stranding device for producing and processing prestressed steel strand |
| CN113930988A (en) * | 2021-11-02 | 2022-01-14 | 张河民 | Even winding system for spinning |
| CN114481655A (en) * | 2022-01-07 | 2022-05-13 | 马鞍山法尔盛科技有限公司 | Steel wire rope weaving and winding equipment and working method thereof |
| CN116289279A (en) * | 2023-03-14 | 2023-06-23 | 张家港新华预应力钢绞线有限公司 | Production equipment for high-strength prestressed steel strand |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995004361A1 (en) * | 1993-08-02 | 1995-02-09 | Siemens Aktiengesellschaft | Process and arrangement for stranding elongated elements |
| DE19935993A1 (en) * | 1999-07-30 | 2001-02-01 | Siemens Ag | Clamping apparatus, for a rotating cable shrouding in a cable twisting assembly, has clamping wedges with radial movements operated by balls which are shifted by a clamping sleeve |
| CN1392308A (en) * | 2001-06-01 | 2003-01-22 | 住友橡胶工业株式会社 | Rubber reinforced steel wire curtain line, method for producing rubber reinforced steel wire curtain line and inflated tire |
| CN1721619A (en) * | 2004-07-14 | 2006-01-18 | 株式会社时光工程 | Method for manufacturing rustproof coated steel strand |
| CN201773646U (en) * | 2010-06-30 | 2011-03-23 | 常州市武进电缆有限公司 | Steel-aluminium clad steel stranded conductor forming machine |
| US20130333119A1 (en) * | 2012-06-13 | 2013-12-19 | Russell Maynard | Hand-held tool for storing, measuring, cutting, and heat sealing paracord |
| CN104164795A (en) * | 2013-05-17 | 2014-11-26 | 泰州宏达绳网有限公司 | Plying guiding device for rope making machine |
| CN108824043A (en) * | 2018-06-29 | 2018-11-16 | 西北有色金属研究院 | A kind of metal filament doubling twisting equipment of low abrasion |
| CN110983839A (en) * | 2019-12-12 | 2020-04-10 | 杭州云淡包装有限公司 | Stranded wire steel cable manufacturing and packaging equipment |
| CN111607996A (en) * | 2020-06-03 | 2020-09-01 | 溧阳市华菱精工科技有限公司 | Stranding device for steel wire rope |
-
2021
- 2021-05-06 CN CN202110491937.3A patent/CN113215843A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995004361A1 (en) * | 1993-08-02 | 1995-02-09 | Siemens Aktiengesellschaft | Process and arrangement for stranding elongated elements |
| DE19935993A1 (en) * | 1999-07-30 | 2001-02-01 | Siemens Ag | Clamping apparatus, for a rotating cable shrouding in a cable twisting assembly, has clamping wedges with radial movements operated by balls which are shifted by a clamping sleeve |
| CN1392308A (en) * | 2001-06-01 | 2003-01-22 | 住友橡胶工业株式会社 | Rubber reinforced steel wire curtain line, method for producing rubber reinforced steel wire curtain line and inflated tire |
| CN1721619A (en) * | 2004-07-14 | 2006-01-18 | 株式会社时光工程 | Method for manufacturing rustproof coated steel strand |
| CN201773646U (en) * | 2010-06-30 | 2011-03-23 | 常州市武进电缆有限公司 | Steel-aluminium clad steel stranded conductor forming machine |
| US20130333119A1 (en) * | 2012-06-13 | 2013-12-19 | Russell Maynard | Hand-held tool for storing, measuring, cutting, and heat sealing paracord |
| CN104164795A (en) * | 2013-05-17 | 2014-11-26 | 泰州宏达绳网有限公司 | Plying guiding device for rope making machine |
| CN108824043A (en) * | 2018-06-29 | 2018-11-16 | 西北有色金属研究院 | A kind of metal filament doubling twisting equipment of low abrasion |
| CN110983839A (en) * | 2019-12-12 | 2020-04-10 | 杭州云淡包装有限公司 | Stranded wire steel cable manufacturing and packaging equipment |
| CN111607996A (en) * | 2020-06-03 | 2020-09-01 | 溧阳市华菱精工科技有限公司 | Stranding device for steel wire rope |
Non-Patent Citations (1)
| Title |
|---|
| 徐洪等: "多束钢绞线张拉工艺探讨", 《建筑施工》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113846499A (en) * | 2021-09-18 | 2021-12-28 | 安徽通利预应力科技有限公司 | Stranding device for producing and processing prestressed steel strand |
| CN113846499B (en) * | 2021-09-18 | 2023-02-28 | 安徽通利预应力科技有限公司 | Stranding device for producing and processing prestressed steel strand |
| CN113930988A (en) * | 2021-11-02 | 2022-01-14 | 张河民 | Even winding system for spinning |
| CN114481655A (en) * | 2022-01-07 | 2022-05-13 | 马鞍山法尔盛科技有限公司 | Steel wire rope weaving and winding equipment and working method thereof |
| CN116289279A (en) * | 2023-03-14 | 2023-06-23 | 张家港新华预应力钢绞线有限公司 | Production equipment for high-strength prestressed steel strand |
| CN116289279B (en) * | 2023-03-14 | 2023-11-21 | 张家港新华预应力钢绞线有限公司 | Production equipment for high-strength prestressed steel strand |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113215843A (en) | Stranding processing machinery and method for steel strand production and manufacturing | |
| CN110846914B (en) | Method for manufacturing hot-dip galvanized steel strand | |
| CN104658708B (en) | Double-deck cladding winding machine | |
| CN110883117B (en) | Method for manufacturing hot-dip galvanized steel strand | |
| CN111349987B (en) | Adjustable yarn doubling and twisting device and adjusting doubling and twisting method thereof | |
| CN204424005U (en) | Double-deck cladding winding machine | |
| CN206907567U (en) | Wire twisting machine with guide bracket | |
| CN212865418U (en) | Steel wire rope stranding device | |
| CN208521695U (en) | A kind of cable stranding machine | |
| CN114044408A (en) | Steel wire winding device | |
| CN115691906A (en) | Automatic efficient cabling equipment for wire and cable processing and cabling method thereof | |
| CN109036723A (en) | A kind of cable strand device | |
| CN101922123B (en) | Method for pre-deforming steel wire rope | |
| CN111498171B (en) | Method for quickly binding multi-strand wire | |
| CN208643953U (en) | Steel wire coiler | |
| CN201720622U (en) | Multi-ply welding wire stranding machine | |
| CN213770827U (en) | Cable wire conveying frame | |
| CN113385612B (en) | Novel composite metal fixed abrasive diamond rope stranding equipment | |
| CN210536471U (en) | Rotor winding machine with rotary table | |
| CN107805962A (en) | A kind of ocean engineering hawser multifunctional vertical rotates rope machine | |
| CN211006133U (en) | Wire drawing bunching device is used in wire rope production | |
| CN212387451U (en) | Copper stranded wire winding frame | |
| CN211077993U (en) | Wire and cable coiling mechanism convenient to remove | |
| CN209144354U (en) | A kind of blended yarns coating equipment | |
| CN212769082U (en) | Wire and cable is with lapper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210806 |
|
| WW01 | Invention patent application withdrawn after publication |