CN116289277B - High-strength prestress steel strand twisting mechanism and twisting method thereof - Google Patents
High-strength prestress steel strand twisting mechanism and twisting method thereof Download PDFInfo
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- CN116289277B CN116289277B CN202310240754.3A CN202310240754A CN116289277B CN 116289277 B CN116289277 B CN 116289277B CN 202310240754 A CN202310240754 A CN 202310240754A CN 116289277 B CN116289277 B CN 116289277B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 87
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 66
- 239000010959 steel Substances 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 68
- 230000002457 bidirectional effect Effects 0.000 claims description 23
- 230000007306 turnover Effects 0.000 claims description 16
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- 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
- D07B1/00—Constructional features of ropes or cables
- D07B1/06—Ropes or cables built-up from metal wires, e.g. of section wires around a hemp core
-
- 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
- D07B7/021—Guiding means for filaments, strands, ropes or cables
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2207/00—Rope or cable making machines
- D07B2207/40—Machine components
- D07B2207/4018—Rope twisting devices
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2207/00—Rope or cable making machines
- D07B2207/40—Machine components
- D07B2207/409—Drives
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Abstract
The invention discloses a high-strength prestress steel strand twisting mechanism and a twisting method thereof, wherein the high-strength prestress steel strand twisting mechanism comprises a machine base, a twisting disc assembly, a paying-off assembly, a forming assembly, a wire conveying assembly and a tensioning assembly, wherein the paying-off assembly, the twisting disc assembly, the forming assembly, the wire conveying assembly and the tensioning assembly are sequentially arranged on the machine base, the twisting disc assembly, the paying-off assembly, the forming assembly and the wire conveying assembly are fixedly connected with the machine base, and the tensioning assembly is in sliding connection with the machine base.
Description
Technical Field
The invention relates to the technical field of prestress steel strand processing, in particular to a high-strength prestress steel strand twisting mechanism and a twisting method thereof.
Background
The prestressed steel strand is a stranded steel cable composed of a plurality of high-strength steel wires, and is subjected to stress relief treatment (stabilization treatment), and is suitable for prestressed concrete and the like.
The prestress steel strand has the main characteristics of high strength and good relaxation performance, and is relatively straight when being unfolded. Common tensile strength grades are 1860 mpa, and also strength grades of 1720, 1770, 1960, 2000, 2100 mpa, and the like. The yield strength of this steel is also high.
In the twisting process of the prestressed steel strand, when different steel wires are twisted by the traditional twisting mechanism, adjustment and adaptation are needed through different twisting mechanisms, so that different prestressed steel strands are inconvenient to twist and form according to different requirements, the subsequent processing of the steel strand is influenced, and therefore, the design of the high-strength prestressed steel strand twisting mechanism and the twisting method thereof is necessary.
Disclosure of Invention
The invention aims to provide a high-strength prestress steel strand twisting mechanism and a twisting method thereof, which are used for solving the problems in the prior art.
In order to solve the technical problems, the invention provides the following technical scheme: a high strength pre-stressed steel strand twisting mechanism comprising:
the device comprises a machine base, a twisting disc assembly, a paying-off assembly, a forming assembly, a wire conveying assembly and a tensioning assembly, wherein the paying-off assembly, the twisting disc assembly, the forming assembly, the wire conveying assembly and the tensioning assembly are sequentially arranged on the machine base, the twisting disc assembly, the paying-off assembly, the forming assembly and the wire conveying assembly are fixedly connected with the machine base, and the tensioning assembly is in sliding connection with the machine base;
the twisting disc assembly comprises a base frame, a central line guide ring, at least one annular guide rail, an annular guide rail groove matched with the central line guide ring, and a driving mechanism, wherein the base frame is fixed on the base frame;
the paying-off assembly comprises a plurality of paying-off seats; the paying-off seats are respectively in one-to-one correspondence with the central line guide ring and the adjustable wire guide mechanisms;
the forming assembly comprises at least two adjusting mechanisms, detachable pressing blocks are arranged at the end parts of the adjusting mechanisms, and the adjusting mechanisms push all the pressing blocks to approach the center to form a channel with the cross section gradually reduced from a wire inlet to a wire outlet;
the wire conveying assembly comprises a bidirectional moving mechanism, two wire feeding wheels are arranged on the bidirectional moving mechanism, and the bidirectional moving mechanism is used for driving the two wire feeding wheels to be close to or far away from each other;
the tensioning assembly comprises a positioning mechanism, pneumatic clamping blocks with the same number as that of paying-off seats on the paying-off assembly are arranged on the positioning mechanism, and the positioning mechanism is in sliding connection with the machine base.
In a further embodiment, the twisting disc assembly comprises two annular rails, one of which is located inside the other.
In a further embodiment, the adjustable wire guide mechanism comprises a plurality of adjusting blocks arranged on the annular guide rail, a wire frame is arranged on one side of each adjusting block, a first roller and a second roller arranged through a frame are arranged on the wire frame, a turnover motor is arranged on one side of the wire frame, the output end of the turnover motor is connected with a turnover seat, an electric push rod is arranged on the turnover seat, and the output end of the electric push rod is connected with the frame.
In a further embodiment, a side plate is fixed on the stand, one of the pay-off seats is arranged in the middle of the side plate, at least one annular mounting seat is arranged on the side plate, and a plurality of pay-off seats are arranged on the annular mounting seat.
In a further embodiment, the stand is fixed with a wire pressing frame, the adjusting mechanism comprises four wire pressing motors arranged on the wire pressing frame, the output ends of the wire pressing motors are connected with wire pressing screws, the wire pressing screws are connected with sliding blocks in a threaded mode, connecting plates are fixed on the sliding blocks, pushing rods are arranged on the connecting plates, and the pushing rods are connected with pressing blocks.
In a further embodiment, the pressing block comprises a connecting part and a pressing part, wherein the connecting part is connected with the push rod, the pressing part is connected with the connecting part through a bolt, clamping holes matched with the push rod are formed in the connecting part, clamping pins for clamping the push rod are arranged on the connecting part, the surfaces of the four pressing parts are arranged into conical surfaces, the conical surfaces are close to the center and form a conical channel, and the section of the conical channel is gradually reduced along the direction from a wire inlet to a wire outlet.
In a further embodiment, the bidirectional moving mechanism comprises a coil arranged on the machine base, fixing frames are arranged on two sides of the coil, a driving motor is arranged on the fixing frames, the output end of the driving motor stretches into the fixing frames and is connected with a bidirectional screw rod, moving blocks are arranged on threaded sections of the bidirectional screw rod, which are opposite in rotation direction, the two sides of the coil are provided with first wire feeding frames, the moving blocks are respectively connected with the first wire feeding frames through connecting rods, a wire feeding motor is arranged in the first wire feeding frames, and the output end of the wire feeding motor is connected with a wire feeding wheel.
In a further embodiment, the positioning mechanism further comprises a second wire feeding frame arranged on the machine base, a plurality of sliding table cylinders are arranged on the second wire feeding frame, the output ends of the sliding table cylinders are connected with the sliding table base, pneumatic clamping blocks are arranged at the center positions of the sliding table base and the second wire feeding frame, and the pneumatic clamping blocks correspond to the wire feeding bases one by one.
In a further embodiment, a pressure sensor is arranged on the first wire feeding frame and is used for sensing pressure between the wire feeding wheel and the steel strand, and when the pressure value reaches a preset value, the pneumatic clamping block releases the steel wire which is clamped and positioned.
A twisting method of a high-strength prestress steel strand twisting mechanism comprises the following steps:
s1: sequentially placing a central line wire coil to be twisted and a plurality of outer line wire coils on a pay-off seat, sequentially penetrating through a central line guide ring, a wire pressing frame and a coil at one end of the central line, connecting and positioning with a pneumatic clamping block at the central position of a second wire feeding frame, penetrating through a wire frame at one end of the outer line, adjusting angles of the outer line through a first roller and a second roller, sequentially penetrating through the wire pressing frame and the coil, and connecting and positioning with the pneumatic clamping block on a sliding seat;
s2: the sliding table cylinder drives the sliding table seat to move, so that the end part of the outer layer wire moves towards the circle center of the coil, and simultaneously drives the second wire feeding frame to slide on the machine seat towards the direction far away from the coil, so that the outer layer wire and the center line are in a tensioning state;
s3: according to twisting requirements, driving the annular guide rail to rotate in the annular guide rail groove through a driving mechanism, and performing twisting operation on the outer layer wire and the central line;
s4: after preliminary shaping is performed by twisting, the wire pressing screw is driven to rotate by the wire pressing motor, so that the sliding block moves, the connecting plate is driven to move, the pressing block is pushed to move by the push rod, and the twisted steel strand is pressed;
s5: the second wire feeding frame is driven to further slide towards the direction away from the coil, the compressed steel strands are pulled to move into the coil, at the moment, the driving motor drives the bidirectional screw to rotate, so that the two moving blocks are close to each other, the upper wire feeding wheel and the lower wire feeding wheel are attached to the steel strands, then the wire feeding motor drives the wire feeding wheel to rotate, the compressed steel strands are conveyed, meanwhile, the second wire feeding frame stops moving, and the pneumatic clamping blocks loosen the center line and the outer layer line for clamping and positioning.
Compared with the prior art, the invention has the following beneficial effects: the annular guide rail is driven to rotate in the annular guide rail groove through the driving mechanism, the number of the annular guide rail and the adjustable wire guide mechanisms is adjusted according to twisting requirements, different prestress steel strands are twisted according to different requirements, the center line and the outer layer wire are positioned and tensioned through the tensioning assembly in twisting, the position of the pressing block is adjusted through the adjusting mechanism, the twisted steel strands are further compressed, the prestress steel strands meeting the twisting requirements are obtained, the two wire feeding wheels are driven to be close to each other through the two-way moving mechanism, the prestress steel strands are attached to the compressed steel strands, the steel strands are compressed and conveyed through the two wire feeding wheels, and subsequent processing operation of the steel strands is facilitated.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the twist tray assembly of the present invention;
FIG. 3 is a schematic view of the structure of the area A in FIG. 2;
FIG. 4 is a schematic view of the pay-off stand mounting structure of the present invention;
fig. 5 is a schematic view of a wire feeding frame according to the present invention;
FIG. 6 is a schematic diagram of a bi-directional movement mechanism according to the present invention;
fig. 7 is a side view of the wire feed rack of the present invention;
FIG. 8 is a schematic view of the structure of the press line frame of the present invention;
the reference numerals are: the device comprises a machine base 1, a twisting disc assembly 2, a paying-off assembly 3, a forming assembly 4, a wire conveying assembly 5, a tensioning assembly 6, a base frame 7, a central line guide ring 8, an annular guide rail 9, a paying-off seat 10, an adjusting block 11, a lead frame 12, a first roller 13, a frame 14, a second roller 15, a turnover motor 16, a turnover seat 17, an electric push rod 18, a side plate 19, an annular mounting seat 20, a wire pressing frame 21, a wire pressing motor 22, a wire pressing screw 23, a sliding block 24, a connecting plate 25, a push rod 26, a pressing block 27, a wire feeding coil 28, a fixing frame 29, a driving motor 30, a bidirectional screw 31, a moving block 32, a first wire feeding frame 33, a connecting rod 34, a wire feeding motor 35, a wire feeding wheel 36, a second wire feeding frame 37, a sliding table cylinder 38, a sliding seat 39 and a pneumatic clamping block 40.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the invention may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the invention.
Referring to fig. 1-8, the present invention provides a technical solution: a high strength pre-stressed steel strand twisting mechanism comprising:
the device comprises a machine base 1, a twisting disc assembly 2, a paying-off assembly 3, a forming assembly 4, a wire conveying assembly 5 and a tensioning assembly 6, wherein the paying-off assembly 3, the twisting disc assembly 2, the forming assembly 4, the wire conveying assembly 5 and the tensioning assembly 6 are sequentially arranged on the machine base 1, the twisting disc assembly 2, the paying-off assembly 3, the forming assembly 4 and the wire conveying assembly 5 are fixedly connected with the machine base 1, and the tensioning assembly 6 is in sliding connection with the machine base 1;
the twisting disc assembly 2 comprises a base frame 7, a central line guide ring 8, at least one annular guide rail 9, an annular guide rail groove matched with the central line guide ring, and a driving mechanism, wherein the base frame 7 is fixed on the base frame 1, the central line guide ring 8, the driving mechanism and the at least one annular guide rail groove are arranged on the base frame 7, the driving mechanism is used for driving the annular guide rail 9 to rotate in the annular guide rail groove, the central axis of the central line guide ring 8 coincides with the central axis of the annular guide rail 9, and a plurality of adjustable wire guide mechanisms are uniformly arranged on the at least one annular guide rail 9;
a vertical supporting plate is arranged between the central line guide ring 8 and the paying-off assembly 3 on the base frame 7, the central line guide ring 8 is connected with the supporting plate through a connecting column, and a plurality of lead holes matched with the central line and the outer layer line on the paying-off assembly 3 are formed in the supporting plate;
the driving mechanism comprises a servo motor arranged on the base frame 7, the output end of the servo motor is connected with the driving wheel, a gear ring meshed with the driving wheel is arranged on the circumference of the annular guide rail 9, the servo motor drives the driving wheel to rotate, and the annular guide rail 9 is driven to rotate through the gear ring;
the paying-off assembly 3 comprises a plurality of paying-off seats 10; the paying-off seats 10 are respectively in one-to-one correspondence with the central line guide ring 8 and the adjustable wire guide mechanisms;
the forming assembly 4 comprises at least two adjusting mechanisms, detachable pressing blocks 27 are arranged at the end parts of the adjusting mechanisms, and the adjusting mechanisms push all the pressing blocks 27 to approach the center to form a channel with the cross section gradually reduced from a wire inlet to a wire outlet;
the wire conveying assembly 5 comprises a bidirectional moving mechanism, two wire feeding wheels 36 are arranged on the bidirectional moving mechanism, and the bidirectional moving mechanism is used for driving the two wire feeding wheels 36 to be close to or far away from each other;
the tensioning assembly 6 comprises a positioning mechanism, pneumatic clamping blocks 40 with the same number as the paying-off seats 10 on the paying-off assembly 3 are arranged on the positioning mechanism, and the positioning mechanism is in sliding connection with the machine base 1.
Through above-mentioned technical scheme, through actuating mechanism drive ring rail 9 at ring rail inslot rotation, according to twisting demand adjustment ring rail 9 and adjustable wire mechanism's quantity, twist different prestressing force steel strand wires according to different demands, accessible tensioning assembly 6 is fixed a position tensioning to central line and outer line in the twist, adjust the position of briquetting 27 through actuating mechanism, and then compress tightly the steel strand wires after twisting, obtain the prestressing force steel strand wires that accord with the twist requirement, drive two wire feeding wheels 36 through two-way moving mechanism and be close to each other, prestressing force steel strand wires after compressing tightly are located the guide slot on two wire feeding wheels 36, laminate through two wire feeding wheels 36 and prestressing force steel strand wires, compress tightly the transport through two wire feeding wheels 36 rotation after laminating, make things convenient for the subsequent processing operation of steel strand wires.
In a further embodiment, the twisting disc assembly 2 comprises two annular rails 9, one of the annular rails 9 being located inside the other annular rail 9.
Through the technical scheme, the number of the annular guide rail 9 and the adjustable wire mechanisms on the annular guide rail 9 is adjusted by twisting the prestress steel strands with different requirements.
In a further embodiment, the adjustable wire guide mechanism comprises a plurality of adjusting blocks 11 arranged on the annular guide rail 9, a wire frame 12 is arranged on one side of each adjusting block 11, a first roller 13 and a second roller 15 mounted through a frame 14 are arranged on the wire frame 12, a turnover motor 16 is arranged on one side of the wire frame 12, the output end of the turnover motor 16 is connected with a turnover seat 17, an electric push rod 18 is arranged on the turnover seat 17, and the output end of the electric push rod 18 is connected with the frame 14.
Through above-mentioned technical scheme, outer line passes from the space between first running roller 13 and the second running roller 15, drives the rotation of turnover seat 17 through turnover motor 16, and then adjusts the deflection angle of second running roller 15, adjusts the stretch out distance of second running roller 15 through electric putter 18, and then to the direction angle inlet wire adjustment of outer line, makes things convenient for outer line to press the line frame 21 center deflection, and outer line resistance is too big when preventing follow-up twisting influences the system effect.
In a further embodiment, a side plate 19 is fixed on the stand 1, one pay-off seat 10 is arranged in the middle of the side plate 19, at least one annular mounting seat 20 is arranged on the side plate 19, and a plurality of pay-off seats 10 are arranged on the annular mounting seats 20.
Through the above technical scheme, the position of the pay-off seat 10 is convenient to adjust through the setting of the annular installation seat 20, so that the pay-off seat 10 corresponds to the lead frame 12 one by one, wherein a plurality of pin holes are formed in the annular installation seat 20, and positioning pins matched with the pin holes are arranged on the pay-off seat 10.
In a further embodiment, a wire pressing frame 21 is fixed on the machine base 1, the adjusting mechanism comprises four wire pressing motors 22 arranged on the wire pressing frame 21, the output ends of the wire pressing motors 22 are connected with wire pressing screws 23, sliding blocks 24 are connected to the wire pressing screws 23 in a threaded mode, connecting plates 25 are fixed on the sliding blocks 24, push rods 26 are arranged on the connecting plates 25, and the push rods 26 are connected with pressing blocks 27.
Through the technical scheme, the wire pressing screw 23 is driven to rotate through the wire pressing motor 22, the sliding block 24 moves on the wire pressing screw 23, the connecting plate 25 is driven to move, the push rod 26 is used for pushing the pressing block 27 to move, the twisted steel strands are pressed, the pressed steel strands meet the requirements, the follow-up conveying operation is convenient, the wire pressing frame 21 is provided with a limiting rod matched with the sliding block 24, and the sliding block 24 is limited through the limiting rod.
In a further embodiment, the pressing block 27 comprises a connecting part and a pressing part, wherein the connecting part is connected with the push rod 26, the pressing part is connected with the connecting part through a bolt, a clamping hole matched with the push rod 26 is formed in the connecting part, clamping pins for clamping the push rod 26 are arranged on the connecting part, the surfaces of the four pressing parts are arranged to be conical surfaces, a conical channel is formed after the surfaces of the four pressing parts are close to the center, and the section of the conical channel is gradually reduced along the direction from a wire inlet to a wire outlet.
Through above-mentioned technical scheme, through bolted connection's pressure portion and connecting portion, the installation of convenient pressure portion is dismantled, is convenient for adjust the size of pressure portion according to the size demand of production steel strand wires, forms the circular cone passageway when wherein pressure portion pastes tightly, conveniently compresses tightly the steel strand wires after twisting.
In a further embodiment, the bidirectional moving mechanism comprises a coil 28 arranged on the machine base 1, fixing frames 29 are arranged on two sides of the coil 28, a driving motor 30 is arranged on the fixing frames 29, an output end of the driving motor 30 stretches into the fixing frames 29 to be connected with a bidirectional screw 31, moving blocks 32 are connected to threaded sections of the bidirectional screw 31 in opposite directions in a threaded mode, first wire feeding frames 33 are arranged on two sides of the coil 28, the moving blocks 32 are respectively connected with the first wire feeding frames 33 through connecting rods 34, wire feeding motors 35 are arranged in the first wire feeding frames 33, and an output end of each wire feeding motor 35 is connected with a wire feeding wheel 36.
Through the technical scheme, the driving motor 30 drives the bidirectional screw 31 to rotate, so that the two moving blocks 32 are driven to be close to or far away from each other, the positions of the two first wire feeding frames 33 are adjusted through the connecting rod 34, the upper wire feeding wheel 36 and the lower wire feeding wheel 36 are matched with the steel strands after wire pressing, the wire feeding motor 35 drives the wire feeding wheel 36 to rotate, and the twisted and pressed steel strand finished products are conveyed.
In a further embodiment, the positioning mechanism further comprises a second wire feeding frame 37 arranged on the machine base 1, a plurality of sliding table cylinders 38 are arranged on the second wire feeding frame 37, the output ends of the sliding table cylinders 38 are connected with the sliding table base 39, pneumatic clamping blocks 40 are arranged at the center positions of the sliding table base 39 and the second wire feeding frame 37, and the pneumatic clamping blocks 40 are in one-to-one correspondence with the wire releasing bases 10.
In a further embodiment, the first wire feeder 33 is provided with a pressure sensor for sensing the pressure between the wire feed wheel 36 and the wire, and when the pressure reaches a predetermined value, the pneumatic clamping block 40 releases the clamped and positioned wire.
A twisting method of a high-strength prestress steel strand twisting mechanism comprises the following steps:
s1: sequentially placing a central line wire coil to be twisted and a plurality of outer line wire coils on a pay-off seat 10, sequentially passing one end of the central line through a central line guide ring 8, a wire pressing frame 21 and a coil 28, connecting and positioning with a pneumatic clamping block 40 at the central position of a second wire feeding frame 37, passing one end of the outer line through a wire frame 12, adjusting the angle of the outer line through a first roller 13 and a second roller 15, sequentially passing through the wire pressing frame 21 and the coil 28, and connecting and positioning with the pneumatic clamping block 40 on a sliding seat 39;
s2: the sliding table cylinder 38 drives the sliding table seat 39 to move so that the end part of the outer layer wire moves towards the circle center of the coil 28, and simultaneously drives the second wire feeding frame 37 to slide on the machine base 1 towards the direction away from the coil 28 so that the outer layer wire and the center line are in a tensioning state;
s3: according to twisting requirements, the driving mechanism drives the annular guide rail 9 to rotate in the annular guide rail groove, and twisting operation is carried out on the outer layer wire and the central line;
s4: after preliminary shaping is performed by twisting, the wire pressing screw rod 23 is driven to rotate by the wire pressing motor 22, so that the sliding block 24 is moved, the connecting plate 25 is further driven to move, the pressing block 27 is pushed to move by the push rod 26, and the twisted steel strand is pressed;
s5: the second wire feeding frame 37 is driven to further slide towards the direction far away from the wire feeding coil 28, the compressed steel strands are pulled to move into the wire feeding coil 28, at the moment, the driving motor 30 drives the bidirectional screw rod 31 to rotate, the two moving blocks 32 are close to each other, the upper wire feeding wheel 36 and the lower wire feeding wheel 36 are attached to the steel strands, then the wire feeding motor 35 drives the wire feeding wheel 36 to rotate, the compressed steel strand finished products are conveyed, meanwhile, the second wire feeding frame 37 stops moving, and the pneumatic clamping blocks 40 loosen the center line and the outer layer line which are clamped and positioned.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various equivalent changes can be made to the technical solutions of the present invention within the scope of the technical concept of the present invention, and these equivalent changes all fall within the scope of the present invention.
Claims (9)
1. A high strength pre-stressed steel strand twisting mechanism, comprising:
the device comprises a machine base (1), a twisting disc assembly (2), a paying-off assembly (3), a forming assembly (4), a wire conveying assembly (5) and a tensioning assembly (6), wherein the paying-off assembly (3), the twisting disc assembly (2), the forming assembly (4), the wire conveying assembly (5) and the tensioning assembly (6) are sequentially arranged on the machine base (1), the twisting disc assembly (2), the paying-off assembly (3), the forming assembly (4) and the wire conveying assembly (5) are fixedly connected with the machine base (1), and the tensioning assembly (6) is in sliding connection with the machine base (1);
the twisting disc assembly (2) comprises a base frame (7), a central line guide ring (8), at least one annular guide rail (9) and an annular guide rail groove matched with the central line guide ring, and a driving mechanism, wherein the base frame (7) is fixed on the base frame (1), the central line guide ring (8), the driving mechanism and the at least one annular guide rail groove are arranged on the base frame (7), the driving mechanism is used for driving the annular guide rail (9) to rotate in the annular guide rail groove, the central axis of the central line guide ring (8) coincides with the central axis of the annular guide rail (9), and a plurality of adjustable guide wire mechanisms are uniformly arranged on the at least one annular guide rail (9);
the paying-off assembly (3) comprises a plurality of paying-off seats (10); the paying-off seats (10) are respectively in one-to-one correspondence with the central line guide ring (8) and the adjustable wire guide mechanisms;
the forming assembly (4) comprises at least two adjusting mechanisms, detachable pressing blocks (27) are arranged at the end parts of the adjusting mechanisms, and the adjusting mechanisms push all the pressing blocks (27) to gradually reduce the cross section of a channel formed after the pressing blocks approach to the center from a wire inlet to a wire outlet;
the wire conveying assembly (5) comprises a bidirectional moving mechanism, two wire feeding wheels (36) are arranged on the bidirectional moving mechanism,
the bidirectional moving mechanism is used for driving the two wire feeding wheels (36) to be close to or far away from each other;
the tensioning assembly (6) comprises a positioning mechanism, pneumatic clamping blocks (40) with the same number as that of paying-off seats (10) on the paying-off assembly (3) are arranged on the positioning mechanism, and the positioning mechanism is in sliding connection with the stand (1);
the adjustable wire guide mechanism comprises a plurality of adjusting blocks (11) arranged on an annular guide rail (9), a wire frame (12) is arranged on one side of each adjusting block (11), a first roller (13) and a second roller (15) arranged through a frame (14) are arranged on the wire frame (12), a turnover motor (16) is arranged on one side of the wire frame (12), the output end of the turnover motor (16) is connected with a turnover seat (17), an electric push rod (18) is arranged on the turnover seat (17), and the output end of the electric push rod (18) is connected with the frame (14).
2. The high strength pre-stressed steel strand twisting mechanism of claim 1, wherein: the twisting disc assembly (2) comprises two annular guide rails (9), wherein one annular guide rail (9) is positioned on the inner side of the other annular guide rail (9).
3. The high strength pre-stressed steel strand twisting mechanism of claim 1, wherein: the pay-off machine is characterized in that side plates (19) are fixed on the machine base (1), one pay-off base (10) is arranged in the middle of the side plates (19), at least one annular mounting base (20) is arranged on the side plates (19), and a plurality of pay-off bases (10) are arranged on the annular mounting base (20).
4. The high strength pre-stressed steel strand twisting mechanism of claim 1, wherein: the wire pressing frame (21) is fixed on the machine seat (1), the regulating mechanism comprises four wire pressing motors (22) arranged on the wire pressing frame (21), the output ends of the wire pressing motors (22) are connected with wire pressing screws (23), sliding blocks (24) are connected to the wire pressing screws (23) in a threaded mode, connecting plates (25) are fixed on the sliding blocks (24), pushing rods (26) are arranged on the connecting plates (25), and the pushing rods (26) are connected with pressing blocks (27).
5. The high strength pre-stressed steel strand twisting mechanism of claim 4, wherein: the pressing block (27) comprises a connecting part and a pressing part, wherein the connecting part is connected with the push rod (26), the pressing part is connected with the connecting part through a bolt, a clamping hole matched with the push rod (26) is formed in the connecting part, clamping pins for clamping the push rod (26) are arranged on the connecting part, the surfaces of the pressing parts are four conical surfaces, a conical channel is formed after the surfaces of the pressing parts are close to the center, and the section of the conical channel is gradually reduced along the direction from a wire inlet to a wire outlet.
6. The high strength pre-stressed steel strand twisting mechanism of claim 1, wherein: the bidirectional moving mechanism further comprises a coil (28) arranged on the machine base (1), fixing frames (29) are arranged on two sides of the coil (28), driving motors (30) are arranged on the fixing frames (29), output ends of the driving motors (30) extend into the fixing frames (29) to be connected with bidirectional screws (31), moving blocks (32) are arranged on threaded sections of the bidirectional screws (31) in opposite rotation directions in a threaded mode, first wire feeding frames (33) are arranged on two sides of the coil (28), the moving blocks (32) are connected with the first wire feeding frames (33) through connecting rods (34) respectively, wire feeding motors (35) are arranged in the first wire feeding frames (33), and output ends of the wire feeding motors (35) are connected with wire feeding wheels (36).
7. The high strength pre-stressed steel strand twisting mechanism of claim 6, wherein: the positioning mechanism comprises a second wire feeding frame (37) arranged on the machine base (1), a plurality of sliding table cylinders (38) are arranged on the second wire feeding frame (37), the output ends of the sliding table cylinders (38) are connected with a sliding table base (39), pneumatic clamping blocks (40) are arranged at the central positions of the sliding table base (39) and the second wire feeding frame (37), and the pneumatic clamping blocks (40) correspond to the wire paying-off bases (10) one by one.
8. The high strength pre-stressed steel strand twisting mechanism of claim 7, wherein: the first wire feeding frame (33) is provided with a pressure sensor which is used for sensing the pressure between the wire feeding wheel (36) and the steel strand, and when the pressure value reaches a preset value, the pneumatic clamping block (40) releases the steel wire which is clamped and positioned.
9. A twisting method using the high-strength pre-stressed steel strand twisting mechanism as set forth in any one of claims 1 to 8, comprising the steps of:
s1: a central line wire coil to be twisted and a plurality of outer line wire coils are sequentially arranged on a pay-off seat (10), one end of the central line sequentially passes through a central line guide ring (8), a line pressing frame (21) and a coil (28), is connected with a pneumatic clamping block (40) at the central position of a second line feeding frame (37) for positioning, one end of the outer line passes through a line guiding frame (12), and after the angle of the outer line is adjusted through a first roller (13) and a second roller (15), the outer line sequentially passes through the line pressing frame (21) and the coil (28) for positioning and is connected with the pneumatic clamping block (40) on a sliding seat (39);
s2: the sliding table base (39) is driven to move through the sliding table cylinder (38) so that the end part of the outer layer wire moves towards the circle center of the coil (28), and meanwhile, the second wire feeding frame (37) is driven to slide on the machine base (1) towards the direction away from the coil (28), so that the outer layer wire and the central line are in a tensioning state;
s3: according to twisting requirements, the driving mechanism drives the annular guide rail (9) to rotate in the annular guide rail groove, and twisting operation is carried out on the outer layer wire and the central line;
s4: after preliminary shaping is performed by twisting, a wire pressing screw rod (23) is driven to rotate by a wire pressing motor (22), so that a sliding block (24) moves, a connecting plate (25) is driven to move, a pressing block (27) is driven to move by a push rod (26), and twisted steel strands are pressed;
s5: the second wire feeding frame (37) is driven to further slide towards the direction away from the wire feeding coil (28), the compressed steel strands are pulled to move into the wire feeding coil (28), at the moment, the driving motor (30) drives the bidirectional screw rod (31) to rotate, so that the two moving blocks (32) are close to each other, the upper wire feeding wheel (36) and the lower wire feeding wheel are attached to the steel strands, then the wire feeding wheel (36) is driven to rotate through the wire feeding motor (35), the compressed steel strand finished products are conveyed, meanwhile, the second wire feeding frame (37) stops moving, and the pneumatic clamping blocks (40) loosen the center line and the outer layer line for clamping and positioning.
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| CN202310240754.3A CN116289277B (en) | 2023-03-14 | 2023-03-14 | High-strength prestress steel strand twisting mechanism and twisting method thereof |
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| CN202310240754.3A CN116289277B (en) | 2023-03-14 | 2023-03-14 | High-strength prestress steel strand twisting mechanism and twisting method thereof |
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| CN116289277B true CN116289277B (en) | 2023-11-21 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120111889A (en) * | 2011-03-31 | 2012-10-11 | 미쓰비시덴키 가부시키가이샤 | Wire twisting machine |
| EP3182421A1 (en) * | 2015-12-14 | 2017-06-21 | Lisa Dräxlmaier GmbH | Twisting of single lines |
| CN209428819U (en) * | 2018-11-12 | 2019-09-24 | 山东经纬钢帘线科技有限公司 | A kind of steel strand wires strander |
| CN210163726U (en) * | 2019-06-24 | 2020-03-20 | 张家港市腾龙金属制品有限公司 | Predeformation device for galvanized steel strand |
| CN111021119A (en) * | 2019-12-06 | 2020-04-17 | 嘉善精田精密机械制造有限公司 | Twisting adjusting device for rope twisting machine and adjusting method thereof |
| CN212714269U (en) * | 2020-08-03 | 2021-03-16 | 宁波市祥宇机械有限公司 | Stranding machine wire guiding adjustment mechanism |
| CN216338724U (en) * | 2021-11-26 | 2022-04-19 | 江苏新汇力金属制品有限公司 | Stable tension control stranding machine frame |
| CN217280242U (en) * | 2022-05-16 | 2022-08-23 | 北京国昌线缆有限责任公司 | Cable preparation is with pay-off of cage winch |
| CN115584651A (en) * | 2022-11-29 | 2023-01-10 | 马鞍山贝特福科技有限公司 | Steel wire rope stranding and stranding device |
-
2023
- 2023-03-14 CN CN202310240754.3A patent/CN116289277B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120111889A (en) * | 2011-03-31 | 2012-10-11 | 미쓰비시덴키 가부시키가이샤 | Wire twisting machine |
| EP3182421A1 (en) * | 2015-12-14 | 2017-06-21 | Lisa Dräxlmaier GmbH | Twisting of single lines |
| CN209428819U (en) * | 2018-11-12 | 2019-09-24 | 山东经纬钢帘线科技有限公司 | A kind of steel strand wires strander |
| CN210163726U (en) * | 2019-06-24 | 2020-03-20 | 张家港市腾龙金属制品有限公司 | Predeformation device for galvanized steel strand |
| CN111021119A (en) * | 2019-12-06 | 2020-04-17 | 嘉善精田精密机械制造有限公司 | Twisting adjusting device for rope twisting machine and adjusting method thereof |
| CN212714269U (en) * | 2020-08-03 | 2021-03-16 | 宁波市祥宇机械有限公司 | Stranding machine wire guiding adjustment mechanism |
| CN216338724U (en) * | 2021-11-26 | 2022-04-19 | 江苏新汇力金属制品有限公司 | Stable tension control stranding machine frame |
| CN217280242U (en) * | 2022-05-16 | 2022-08-23 | 北京国昌线缆有限责任公司 | Cable preparation is with pay-off of cage winch |
| CN115584651A (en) * | 2022-11-29 | 2023-01-10 | 马鞍山贝特福科技有限公司 | Steel wire rope stranding and stranding device |
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| CN116289277A (en) | 2023-06-23 |
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