CN212953504U - Variable-tension winding device for steel wire pre-stressing die - Google Patents
Variable-tension winding device for steel wire pre-stressing die Download PDFInfo
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- CN212953504U CN212953504U CN202021127001.XU CN202021127001U CN212953504U CN 212953504 U CN212953504 U CN 212953504U CN 202021127001 U CN202021127001 U CN 202021127001U CN 212953504 U CN212953504 U CN 212953504U
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- 238000003825 pressing Methods 0.000 claims description 5
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- 239000006247 magnetic powder Substances 0.000 claims description 2
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- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 150000001247 metal acetylides Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 6
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- 238000000034 method Methods 0.000 description 5
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- 230000005540 biological transmission Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
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Abstract
本实用新型公开了一种用于钢丝预应力模具的变张力缠绕装置，属于模具制造领域。所述装置包括开卷机构、校直机构、张力调节机构、张力检测机构、布丝机构、缠绕机构。钢丝由所述开卷机构引出依次经过校直机构、张力调节机构、张力检测机构和布丝机构，最后在缠绕机构上实现模具预应力缠绕。自动控制系统从所述张力检测机构和缠绕机构中分别实时获得钢丝张力参数和缠绕参数，通过所获得的张力参数与理论张力曲线比较实时控制所述张力调节机构使钢丝实际张力与理论张力一致，通过所获得的钢丝缠绕参数实时控制所述布丝机构转速和转向使钢丝能够紧密有序地缠绕在模具上，从而实现变张力缠绕条件下的闭环控制。
The utility model discloses a variable tension winding device used for a steel wire prestressing die, which belongs to the field of die manufacturing. The device includes an uncoiler mechanism, a straightening mechanism, a tension adjustment mechanism, a tension detection mechanism, a wire cloth mechanism, and a winding mechanism. The steel wire is drawn out from the uncoiler mechanism and passes through the straightening mechanism, the tension adjustment mechanism, the tension detection mechanism and the wire cloth mechanism in sequence, and finally realizes the prestressed winding of the die on the winding mechanism. The automatic control system obtains the steel wire tension parameters and winding parameters in real time from the tension detection mechanism and the winding mechanism, respectively, and controls the tension adjustment mechanism in real time to make the actual tension of the steel wire consistent with the theoretical tension by comparing the obtained tension parameters with the theoretical tension curve. Real-time control of the rotational speed and steering of the wire-distributing mechanism through the obtained wire winding parameters enables the wire to be wound on the die in a tight and orderly manner, thereby realizing closed-loop control under variable tension winding conditions.
Description
Technical Field
The utility model relates to a become tension wind for steel wire prestressing force mould for prestressing force mould's processing belongs to the mould field of making.
Background
The traditional die obviously shows the problems of high manufacturing cost, small bearing pressure, short service cycle and the like when meeting the requirements of modern industry, and the processing and the manufacturing of the steel wire winding prestress die are proposed to solve the problems. The prestressing force mould adopts the winding of high strength steel wire in the mould outside, thereby strengthens the degree that the mould bore the force through exerting prestressing force to the mould, prolongs the life cycle of mould. The core of the solution required by the processing of the steel wire winding prestress die is to uniformly wind steel wires designed in advance on the surface of the die so as to achieve the purpose of applying prestress on the surface of the die. In order to complete the processing of the steel wire winding prestress die, an automatic integrated production device taking PLC control as a core is designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a become tension wind for steel wire prestressing force mould, it reads the tension parameter and the winding parameter of steel wire in real time from tension detection mechanism and winding mechanism respectively through automatic control system, tension adjustment mechanism makes the actual tension of steel wire unanimous with theoretical tension through the tension parameter that obtains and theoretical tension curve comparison real-time control, steel wire winding parameter real time control cloth silk mechanism rotational speed through obtaining with turn to make the steel wire can closely orderly wind on the mould, thereby realize becoming the closed-loop control under the tension winding condition.
The utility model discloses the technical problem that will solve adopts following technical scheme to realize:
the utility model provides a become tension wind for steel wire prestressing force mould, the device includes that the steel wire is rolled up and is carried out the unwinding mechanism (1) that supports, carries out alignment mechanism (2) of rectifying to the steel wire straightness, carries out tension adjustment mechanism (3) of controlling to steel wire tension size, carries out measuring tension detection mechanism (4) to steel wire tension value, can make the inseparable orderly winding cloth silk mechanism (5) of steel wire and force the mould to rotate and realize steel wire prestressing force winding mechanism (6).
Preferably, the uncoiling mechanism (1) is composed of two shaft seats and two half shafts, one ends of the two half shafts are respectively fixed on the shaft seats in a bearing or interference mode, and the other ends of the two half shafts are connected together in a conical surface mode.
Through the constitution mode, can conveniently load and unload the steel wire of lapping, the steel wire can free rotation in the mold processing process, improves the efficiency of mould processing.
Preferably, the straightening mechanism (2) is formed by a plurality of pulleys which are staggered front and back.
Through the constitution mode, can straighten the steel wire that the unwinding mechanism was drawn forth, improved the precision of mould processing.
Preferably, a hydraulic system in the tension adjusting mechanism (3) is connected with an automatic control system, an upper insert with an arc-shaped or smaller than semicircular groove is arranged at the lower part of the upper pressure plate, a lower insert with an arc-shaped or smaller than semicircular groove is arranged at the upper part of the lower pressure plate, and the upper insert and the lower insert are made of wear-resistant materials.
Through the constitution mode, can conveniently change the internal tension of steel wire, make the actual tension of steel wire unanimous with theoretical tension.
Preferably, a movable sliding block in the tension detection mechanism (4) is matched with the fixed support through a guide rail, a large guide wheel is connected with the rotating shaft through a key, and the pressure sensor is connected with an automatic control system.
Through the constitution mode, the pressure sensor detects the tension in the steel wire passing through the three guide wheels, then the data is input into the automatic control system to be compared with a tension control theoretical curve, and then the automatic control adjusts the tension adjusting mechanism so as to realize the closed-loop control of the tension in the steel wire in the processing process.
Preferably, the wire distributing mechanism (5) is connected with an automatic control system.
Through the constitution mode, drive the lead screw by the motor and rotate, the metal sheet on the lead screw is along guide arm directional movement along with the rotation of lead screw, and the sensor is with signal transmission to automatic control system after it contacts the pressure sensitive sensor on a certain side shield, notes the winding number of piles of steel wire and is just reversing by automatic control system control motor, carries out frequency modulation in order to stabilize motor rotational speed by the encoder to the motor, guarantees that the winding of steel wire can be carried out steadily at motor reversal in-process. The displacement nut can move left and right on the screw rod through the positive and negative rotation of the motor, so that a steel wire penetrating through the limiting steel ring can be driven to be uniformly wound on the die.
Preferably, in the winding mechanism (6), the driving shaft is matched with the left clamping plate through a spline, the driven shaft is matched with a fixing plate through a spline, and the fixing plate is provided with three unthreaded holes and three threaded holes alternately at equal intervals on the same circumference. Six holes are formed in the same position on the circumference with the same size on the right pressure plate, and three guide rods and three positioning screws are alternately arranged on the right pressure plate. And the positioning screw is rotated, the guide rod fixed on the right clamping plate moves along the unthreaded hole, and the distance between the left clamping plate and the right clamping plate is adjusted to clamp the die. The inner sides of the two clamping plates are rough planes with printing for increasing the friction force with the contact surface of the mould.
Through the structure mode, the clamping of the dies with different sizes can be realized by changing the distance between the left clamping plate and the right clamping plate.
Has the advantages that:
the device provided by the utility model replace the plane clamp plate to carry out the centre gripping to the steel wire through the arc recess, the frictional resistance to the steel wire has been increased, replace the method of adding the heavy object through the pneumatic cylinder and exert pressure to the clamp plate, and realize tensile closed-loop control together with tension detection mechanism, thereby can realize carrying out real-time control to tension according to predetermined tension change law, adopt automatic control system control motor just reversal to replace traditional mechanical device to realize the circulation reciprocating motion of cloth silk ware on the lead screw, thereby realize that the multilayer of pretension steel wire on the prestressing force mould closely twines according to the law, can realize the centre gripping to not unidimensional mould through the distance between the left and right sides clamp plate in the change wind device.
Drawings
Fig. 1 is an overall equipment set of the present invention.
Fig. 2 is the uncoiling mechanism of the present invention.
Fig. 3 is the straightening mechanism of the present invention.
Fig. 4 is a view a-a of the alignment mechanism.
Fig. 5 shows a tension adjusting mechanism according to the present invention.
Fig. 6 shows a tension detecting mechanism according to the present invention.
Fig. 7 is a B-B view of the tension detecting mechanism.
Fig. 8 is the wire distributing mechanism of the present invention.
Fig. 9 is a winding mechanism of the present invention.
Reference numbers in the figures: 1 an uncoiling mechanism; 2, straightening mechanism; 3 a tension adjusting mechanism; 4 a tension detection mechanism; 5, a wire distributing mechanism; 6, a winding mechanism; 101, a bearing seat; 102 half shafts; 201 a guide wheel; 202 limiting a steel ring; 203 fastening screws; 204 pulleys; 205 screws; 206 a guide rail; 207 straightening mechanism base; 208 turning the head; 209 a straightening mechanism fixing plate; 210 a sliding plate; 211 adjusting the stud; 212 a slider; 301 a frame; 302 hydraulic cylinders; 303, pressing a plate; 304 a guide sleeve; 305 a lower press plate; 306 a guide post; 307 locking screws; 308 lower insert block; 309 an upper insert block; 310 tension adjusting mechanism fixing plates; 401 guide wheels; 402 a pulley support frame; 403 tension detection mechanism base; 404 a large guide wheel; 405 a tension detection mechanism shaft sleeve; 406 a movable slider; 407 tension detection mechanism end cap; 408 a fixed support; 409 a supporting spring; 410 a pressure sensor; 411 tension detecting mechanism bearings; 412 rotating the shaft; 501 step motor; 502 a wire laying mechanism base; 503 displacing the nut; 504 a wire distributing mechanism guide post; 505 wire laying mechanism bearings; 506 a guide ring; 507 lead screw; 508 wire distributing mechanism end covers; a 509 coupler; 601 a torque motor; 602 a magnetic particle clutch; 603 winding the mechanism bearing; 604 winding the mechanism support frame; 605 fixing a clamping plate at the left end; 606 a mold; 607 moving the clamping plate at the right end; 608 pressing plate; 609 guide grooves; 610 a guide rod; 611 driven shaft; 612 set screws; 613 winding the mechanism fixing plate; 614 winding the mechanism shaft sleeve; 615 winding the mechanism end cap; 616 drive shaft.
Detailed Description
The present invention is further explained below by means of specific examples.
Fig. 2 shows the uncoiling mechanism of the present invention, the uncoiling mechanism (1) is composed of two shaft seats (101) and two half shafts (102), one end of each half shaft is fixed on the shaft seat by a bearing or an interference mode, and the other end is connected together in a conical surface mode. The mechanism is used for storing and supporting the steel wire coil required to be used.
Fig. 3 is the utility model discloses a straightening mechanism, straightening mechanism (2) is including leading wheel (201) that is used for the guide wire, spacing steel ring (202), holding screw (203), the pulley (204) of straightening wire for install screw (205) of pulley, straightening mechanism base (207), turn round (208), straightening mechanism fixed plate (209), sliding plate (210), adjusting stud (211), slider (212). The mechanism is composed of pulleys staggered front and back, wherein the number of the front pulleys is larger than that of the back pulleys. The steel wire led out from the uncoiling device passes through the pulleys staggered front and back in the straightening mechanism to realize the straightening of the steel wire.
Fig. 5 is the tension adjusting mechanism of the present invention, the tension adjusting mechanism (3) includes a frame (301), a hydraulic cylinder (302), an upper pressing plate (303), a guide sleeve (304), a lower pressing plate (305), a guide pillar (306), a locking screw (307), a lower insert (308), an upper insert (309), and a tension adjusting mechanism fixing plate (310). The hydraulic cylinder is controlled by a hydraulic servo valve to control pressure and is connected with an automatic control system. The hydraulic press plunger rod is fixed with the upper pressure plate through the tension adjusting mechanism fixing plate, and the lower pressure plate is fixed on the tension adjusting mechanism base. The lower part of the upper pressure plate is provided with an upper insert which is arc-shaped or smaller than the semicircular groove, and the upper part of the lower pressure plate is provided with a lower insert which is arc-shaped or smaller than the semicircular groove. The steel wire passes through the recess between upper and lower insert, and hydraulic system exerts pressure through the top board in order to change the tension of steel wire. The hydraulic system is connected with the automatic control system, and the automatic control system controls the pressure applied to the steel wire in real time so as to form closed-loop control on the internal tension of the steel wire in the processing device.
Fig. 6 is the utility model discloses a tension detection mechanism, tension detection mechanism (4) are including distributing at guide pulley (401) of base both sides, pulley support frame (402), tension detection mechanism base (403), big guide pulley (404), tension detection mechanism axle sleeve (405), movable sliding block (406), tension detection mechanism end cover (407), fixed bolster (408), supporting spring (409), pressure sensor (410), tension detection mechanism bearing (411), axis of rotation (412). The three pulleys form an equilateral triangle in position relationship, a pressure sensor is mounted at the lower part of the pulley at the upper part and used for detecting the tension inside the steel wire in the machining process in real time, and detected data are input into an automatic control system and are compared with a preset tension theoretical curve, and then a hydraulic system in a pressure adjusting mechanism is adjusted, so that closed-loop control of the tension inside the steel wire in the machining process is realized.
Fig. 8 is the wire distribution mechanism of the present invention, the wire distribution mechanism (5) includes a stepping motor (501), a wire distribution mechanism base (502), a displacement nut (503), a wire distribution mechanism guide post (504), a wire distribution mechanism bearing (505), a guide ring (506), a lead screw (507), a wire distribution mechanism end cover (508), and a shaft coupling (509). The steel wire passes the spacing steel ring on the metal sheet, the motor drives the lead screw and rotates, displacement nut on the lead screw is along guide arm to certain direction transmission, after it contacts the sensitive sensor of pressure on certain side shield, the sensor is in with signal transmission to automatic control system, the number of piles of winding of noting the steel wire and rotate by PLC control motor and change, the rotational speed of motor is stabilized through the frequency of adjusting the motor to the encoder, the direction of later displacement nut motion changes, it also can change when its direction of motion of the sensitive sensor of pressure that it contacts the opposite side. The PLC controls the motor to rotate forwards and backwards to drive the screw rod to rotate forwards and backwards and stabilizes the rotating speed of the motor in the steering process through the frequency modulation of the encoder, so that the displacement nut can stably and circularly move on the screw rod, and a steel wire passing through a limiting steel ring above the displacement nut can be uniformly wound on the surface of the die.
Fig. 9 is the utility model discloses a winding mechanism, winding mechanism (6) include torque motor (601), magnetic powder clutch (602), winding mechanism bearing (603), winding mechanism support frame (604), left end solid fixed splint (605), mould (606), right-hand member movable splint (607), clamp plate (608), guide slot (609), guide arm (610), driven shaft (611), set screw (612), winding mechanism fixed plate (613), winding mechanism axle sleeve (614), winding mechanism end cover (615), driving shaft (616). The driving shaft is matched with the left end fixed clamping plate through a spline, the driven shaft is matched with the fixed plate through a spline, the fixed plate is provided with three unthreaded holes and three threaded holes at equal intervals on the same circumference in an alternating mode, and the right end movable clamping plate is provided with six holes at the same position on the circumference with the same size in an alternating mode to be provided with three guide rods and three positioning screws. And the positioning screw is rotated, the guide rod fixed on the right movable clamp plate moves along the unthreaded hole, and the distance between the left clamp plate and the right clamp plate is adjusted to clamp the die. The inner sides of the two clamping plates are rough planes with printing for increasing the friction force with the contact surface of the mould. Before winding is started, one end of the steel wire is fixed on the mould by opening holes on the surface of the mould or one end of the steel wire is fixed on the surface of the mould by related cement. The motor drives the shaft to rotate, and the shaft drives the mold clamped by the clamping plates to rotate, so that the steel wire is uniformly and stably wound on the surface of the mold. And stopping the rotation of the motor when the number of steel wire winding layers reaches a preset value, and fixing the tail end of the steel wire, so that the processing and manufacturing process of the wire winding prestress die is finished.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a become tension wind for steel wire prestressing force mould, the device includes unwinding mechanism (1), alignment mechanism (2), tension adjustment mechanism (3), tension detection mechanism (4), cloth silk mechanism (5), winding mechanism (6), its characterized in that: the steel wire is led out from the uncoiling mechanism (1) and sequentially passes through the straightening mechanism (2), the tension adjusting mechanism (3), the tension detecting mechanism (4) and the wire distributing mechanism (5), finally, the prestress winding of the die is realized on the winding mechanism (6), an automatic control system respectively obtains the tension parameters and the winding parameters of the steel wire from the tension detecting mechanism (4) and the winding mechanism (6) in real time, the tension adjusting mechanism (3) is controlled in real time through comparing the obtained tension parameters with a theoretical tension curve to enable the actual tension of the steel wire to be consistent with the theoretical tension, and the rotating speed and the steering of the wire distributing mechanism (5) are controlled in real time through the obtained steel wire winding parameters to enable the steel wire to be wound on the die (606) tightly and orderly, so that the closed-loop control under the variable tension winding condition is realized.
2. The variable tension winding apparatus for a steel wire prestressing die as set forth in claim 1, wherein: the uncoiling mechanism (1) is composed of two bearing seats (101) and two half shafts (102), one ends of the two half shafts are fixed on the shaft seats respectively in a bearing or interference mode, and the other ends of the two half shafts are connected together in a conical surface mode.
3. The variable tension winding apparatus for a steel wire prestressing die as set forth in claim 1, wherein: the straightening mechanism (2) comprises a guide wheel (201) for guiding a steel wire, a limiting steel ring (202), a set screw (203), a pulley (204) for straightening the steel wire, a screw (205) for mounting the pulley, a straightening mechanism base (207), a rotating head (208), a straightening mechanism fixing plate (209), a sliding plate (210), an adjusting stud (211), a sliding block (212), wherein the sliding plate (210) is connected with the sliding block (212) through the set screw (203), the sliding block (212) is matched with the straightening mechanism base (207) through a guide rail (206), the outer edge of the pulley (204) is recessed and matched with the steel wire and is respectively fixed on the straightening mechanism fixing plate (209) and the sliding plate (210) through the screw (205), the pulley (204) can rotate around the screw (205), the sliding plate (210) is provided with three pulleys (204), and the straightening mechanism fixing plate (209) is provided with four pulleys (204), the pulleys (204) arranged on the straightening mechanism fixing plate (209) and the pulleys (204) arranged on the sliding plate (210) are arranged in a staggered mode.
4. The variable tension winding apparatus for a steel wire prestressing die as set forth in claim 1, wherein: the tension adjusting mechanism (3) comprises a rack (301), a hydraulic cylinder (302), an upper pressure plate (303), a guide sleeve (304), a lower pressure plate (305), a guide post (306), a locking screw (307), a lower insert (308), an upper insert (309) and a tension adjusting mechanism fixing plate (310), wherein the hydraulic cylinder (302) controls pressure through a hydraulic servo valve and is connected with an automatic control system, a plunger rod of the hydraulic machine is fixed with the upper pressure plate (303) through the tension adjusting mechanism fixing plate (310), the guide sleeve (304) is installed on the guide post (306), the guide post (306) is installed on the upper pressure plate (303) and the lower pressure plate (305), the upper insert (309) which is arc-shaped or smaller than a semicircular groove is installed at the lower part of the upper pressure plate (303), the lower insert (308) which is arc-shaped or smaller than the semicircular groove is installed at the upper part of the lower pressure plate (305), and the upper insert (309) and the lower insert (, such as copper alloys, alloy tool steels, and cemented carbides, among others.
5. The variable tension winding apparatus for a steel wire prestressing die as set forth in claim 1, wherein: tension detection mechanism (4) is including guide pulley (401) that distributes in the base both sides, pulley support frame (402), tension detection mechanism base (403), big guide pulley (404), tension detection mechanism axle sleeve (405), movable sliding block (406), tension detection mechanism end cover (407), fixed bolster (408), supporting spring (409), pressure sensor (410), tension detection mechanism bearing (411), axis of rotation (412), movable sliding block (406) pass through the guide rail and cooperate with fixed bolster (408), big guide pulley (404) pass through the key and are connected with axis of rotation (412), pressure sensor (410) are connected with automatic control system.
6. The variable tension winding apparatus for a steel wire prestressing die as set forth in claim 1, wherein: the wire distributing mechanism (5) comprises a stepping motor (501), a wire distributing mechanism base (502), a displacement nut (503), a wire distributing mechanism guide post (504), a wire distributing mechanism bearing (505), a guide ring (506), a lead screw (507), a wire distributing mechanism end cover (508) and a coupler (509), and the stepping motor (501) is connected with an automatic control system.
7. The variable tension winding apparatus for a steel wire prestressing die as set forth in claim 1, wherein: the winding mechanism (6) comprises a torque motor (601), a magnetic powder clutch (602), a winding mechanism bearing (603), a winding mechanism support frame (604), a left end fixing clamp plate (605), a mold (606), a right end moving clamp plate (607), a pressure plate (608), a guide groove (609), a guide rod (610), a driven shaft (611), a positioning screw (612), a winding mechanism fixing plate (613), a winding mechanism shaft sleeve (614), a winding mechanism end cover (615) and a driving shaft (616), wherein the driving shaft (616) is matched with the left end fixing clamp plate (605) through a spline, the driven shaft (611) is matched with the winding mechanism fixing plate (613) through a spline, the winding mechanism fixing plate (613) is provided with three unthreaded holes and three threaded holes at equal intervals on the same circumference, the right end moving clamp plate (607) is provided with six holes at the same position on the circumference with the same size, and three guide rods (610) and three positioning screws (612, the clamping device is fixed by the pressing plate (608), the positioning screw (612) is rotated, the guide rod (610) fixed on the right-end movable clamping plate moves along the guide groove (609), the distance between the left-end fixed clamping plate (605) and the right-end movable clamping plate (607) is adjusted to clamp the die (606), and the inner sides of the left-end fixed clamping plate (605) and the right-end movable clamping plate (607) are rough planes with printing patterns for increasing the friction force of the contact surface of the die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021127001.XU CN212953504U (en) | 2020-06-17 | 2020-06-17 | Variable-tension winding device for steel wire pre-stressing die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021127001.XU CN212953504U (en) | 2020-06-17 | 2020-06-17 | Variable-tension winding device for steel wire pre-stressing die |
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| CN212953504U true CN212953504U (en) | 2021-04-13 |
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| CN202021127001.XU Expired - Fee Related CN212953504U (en) | 2020-06-17 | 2020-06-17 | Variable-tension winding device for steel wire pre-stressing die |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606130A (en) * | 2020-06-17 | 2020-09-01 | 安徽理工大学 | A variable tension winding device for steel wire prestressing die |
| CN113428722A (en) * | 2021-07-23 | 2021-09-24 | 韶关液压件厂有限公司 | Variable tension steel wire winding device suitable for large-scale frame |
| CN117299846A (en) * | 2023-10-12 | 2023-12-29 | 杭州森盛金属制品有限公司 | Full-automatic steel wire stretching and processing forming device and processing technology thereof |
-
2020
- 2020-06-17 CN CN202021127001.XU patent/CN212953504U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111606130A (en) * | 2020-06-17 | 2020-09-01 | 安徽理工大学 | A variable tension winding device for steel wire prestressing die |
| CN113428722A (en) * | 2021-07-23 | 2021-09-24 | 韶关液压件厂有限公司 | Variable tension steel wire winding device suitable for large-scale frame |
| CN117299846A (en) * | 2023-10-12 | 2023-12-29 | 杭州森盛金属制品有限公司 | Full-automatic steel wire stretching and processing forming device and processing technology thereof |
| CN117299846B (en) * | 2023-10-12 | 2024-06-07 | 滦州市恒皓科技有限公司 | Full-automatic steel wire stretching and processing forming device and processing technology thereof |
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Granted publication date: 20210413 |