CN110802119A - Guide wheel device with three adjustable degrees of freedom - Google Patents
Guide wheel device with three adjustable degrees of freedom Download PDFInfo
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- CN110802119A CN110802119A CN201911129546.6A CN201911129546A CN110802119A CN 110802119 A CN110802119 A CN 110802119A CN 201911129546 A CN201911129546 A CN 201911129546A CN 110802119 A CN110802119 A CN 110802119A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 85
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000010030 laminating Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 24
- 239000002184 metal Substances 0.000 abstract description 20
- 229910052751 metal Inorganic materials 0.000 abstract description 20
- 239000010931 gold Substances 0.000 description 12
- 230000033001 locomotion Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 5
- 238000005491 wire drawing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000013519 translation Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
- B21C1/12—Regulating or controlling speed of drawing drums, e.g. to influence tension; Drives; Stop or relief mechanisms
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Abstract
The invention provides a guide wheel device with three adjustable degrees of freedom, which comprises a guide wheel, a steering mechanism, a limiting mechanism, a transmission mechanism, a monitoring mechanism, an air cylinder and a fixing plate, wherein the guide wheel is arranged at one end of the steering mechanism, the other end of the steering mechanism is connected with one end of the transmission mechanism, the transmission mechanism comprises a monitoring plate, the other end of the transmission mechanism is connected with the air cylinder, the monitoring mechanism comprises a bracket and a sensor, the bracket is fixed on a machine table panel, the sensor is fixed on the bracket, and a detection head of the sensor faces the monitoring plate. The invention realizes the adjusting function of the position of the guide wheel on three degrees of freedom, can conveniently adjust the guide wheel to the optimal position, and has convenient and rapid operation. The dynamic control of the position of the guide wheel in the production process is realized, the guide wheel is always positioned in the optimal position range in the production process, the stress of the processed metal wire is stable, the consistency is high, the pretreatment quality is high, and the quality and the competitiveness of enterprise products are improved.
Description
Technical Field
The invention belongs to the field of metal drawing equipment, and particularly relates to a guide wheel device with three adjustable degrees of freedom.
Background
The metal wire drawing machine is widely applied to the production and preprocessing treatment of metal products such as steel wires, rope making wires, prestressed wires, standard parts and the like, and aims to enable the diameter, the roundness, the internal metallographic structure, the surface finish and the straightening degree of a wire or a rod to meet the raw material processing requirements required by the production of the metal products such as the standard parts and the like by drawing the wire or the rod which is produced and transported to metal product production enterprises such as the standard parts and the like by a steel product manufacturer, so that the preprocessing quality of the wire or the rod by the wire drawing machine is directly related to the product quality of the metal product production enterprises such as the standard parts and the like.
To obtain high-quality pretreated metal materials, the position of a loop guide wheel needs to be adjusted in the debugging or using process of a loop wire drawing machine, most guide wheels are fixedly arranged on equipment at present, the guide wheel is difficult to be adjusted to an optimal ideal position, and the wire routing speed and the wire drawing force in the wire drawing process are dynamic variables, so that the dynamic control cannot be performed in the production process.
Disclosure of Invention
In order to solve the technical problems, the invention provides a guide wheel device with three adjustable degrees of freedom, which realizes the function of adjusting the position of a guide wheel on three degrees of freedom by arranging a vertical rotating shaft and a horizontal rotating shaft which are perpendicular to each other, is easy to adjust the guide wheel to an optimal ideal position, and is provided with a cylinder, a transmission mechanism and a sensor to realize the dynamic control of the position of the guide wheel in the production process.
The invention is realized by the following technical scheme:
a guide wheel device with three adjustable degrees of freedom comprises a guide wheel, a steering mechanism, a limiting mechanism, a transmission mechanism, a monitoring mechanism, an air cylinder and a fixing plate.
Steering mechanism includes mutually perpendicular's vertical rotating shaft and horizontal rotating shaft, threaded connection is passed through with horizontal rotating shaft one end to vertical rotating shaft one end, the vertical rotating shaft other end is provided with the guide pulley, be provided with first adjusting nut in the vertical rotating shaft, be provided with second adjusting nut in the horizontal rotating shaft, vertical rotating shaft realizes the position control on the direction of height, horizontal rotating shaft realizes the position control along its central line axial translation, horizontal rotating shaft can also rotate along its central line, realize the regulation of three degree of freedom, can conveniently adjust the guide pulley to the optimum position, and be provided with adjusting nut respectively and fix the position that debugs, high convenience for operation, and high speed.
Drive mechanism is including the swing arm that connects gradually, the axle, monitoring board and joint, the swing arm passes through threaded connection with horizontal rotating shaft, the swing arm middle part sets up in stop gear, stop gear has carried out the restriction to the swing arc of swing arm, stop gear passes through fastener fixed connection with board panel, connect and cylinder one end fixed connection, the concertina movement of catch bar through the cylinder can drive mechanism motion, finally drive the guide pulley motion, realize the adjustment of guide pulley position, the cylinder passes through the standard and connects the control system gas circuit with equipment and link to each other, control system passes through the motion of the output signal control cylinder catch bar of sensor, the cylinder other end and fixed plate swing joint, the fixed plate is fixed on the board panel.
The monitoring mechanism comprises a support and a sensor, the support is fixed on the machine table panel, the sensor is fixed on the support, a detection head of the sensor faces the monitoring plate, the output end of the sensor is connected into a control system of the device, and the sensor outputs signals according to the change of the relative distance between the detection head and the monitoring plate and gives instructions to the movement of a push rod of the cylinder through the control system.
The vertical rotating shaft lower extreme is provided with the external screw thread, horizontal rotating shaft one end is provided with the vertical internal thread that link up, and the external screw thread closes with the internal thread soon to be connected, and first adjusting nut and the laminating of internal screw thread terminal surface, second adjusting nut and swing arm terminal surface laminating, and first adjusting nut forms two nut locks after screwing, guarantees that vertical rotating shaft is difficult not hard up, and second adjusting nut forms two nut locks after screwing, guarantees that horizontal rotating shaft is difficult not hard up, and then guarantees that guide pulley position is stable.
The utility model discloses a guide wheel, including vertical pivot, guide pulley, bearing, baffle, vertical pivot middle part is provided with the step, and the step is provided with two bearings by vertical pivot upper end one side, is provided with the packing ring between two bearings, and two bearing one ends are laminated with the terminal surface of step, and two bearing other ends are provided with the fastener with vertical pivot fixed connection, the axis of guide pulley is opened has the hole that link up, and the hole middle part of guide pulley sets up slottedly, is provided with the retaining ring in the groove, and the clearance between two bearings is inserted to the inner circle of retaining ring, fixedly connected with apron on the guide pulley, and the bearing.
Stop gear includes limiting plate and spacing bolt, and the limiting plate is U type groove, and U type groove opening both ends are provided with spacing bolt to the inslot, are provided with third adjusting nut on the spacing bolt, and the limiting plate is fixed on the deck plate, the swing arm sets up on the plane of symmetry between two spacing bolts, and the clearance between spacing bolt and the swing arm can be adjusted to third adjusting nut, and then the swing arc of control swing arm when faults such as silk break appear, prevents that the swing arm from excessively deflecting damage cylinder and other spare parts, reduces the maintenance cost, extension equipment life.
The height of the center line of the swing arm is consistent with that of the center line of the limiting bolt, and the limiting bolt is guaranteed to limit the swing arm effectively.
One end of the swing arm is fixedly connected with the upper end of the shaft through a flat key, so that the shaft can drive the swing arm to rotate together when rotating, the middle part of the shaft is provided with a boss, the swing arm is attached to the upper end face of the boss and is perpendicular to the shaft, the swing arm is provided with a baffle plate, the baffle plate is fixedly connected with the shaft through a fastener, the swing arm is firmly fixed on the shaft, the lower end of the boss is provided with two bearings, the bearings are attached to the lower end face of the boss, a bushing is arranged between the two bearings, a shaft seat and a shaft seat cover are sleeved outside the two bearings, the shaft seat and the shaft seat cover are connected through the fastener, the, the swing arm is made to rotate to form a fixed supporting point, the stability of dynamic control of the guide wheel is guaranteed, the shaft is sleeved with the monitoring plate, the bushing is arranged between the monitoring plate and the bearing, the end cover is arranged below the monitoring plate, and the end cover is fixedly connected with the shaft through the fastener.
The axle lower extreme passes through flat key and monitoring board fixed connection, make monitoring board can drive the same rotation of axle when rotating, and then drive the swing arm and rotate together, finally realize the regulation to guide pulley position, monitoring board is the disc cam structure, monitoring board one side is provided with overhanging connecting rod, connecting rod and joint one end swing joint, connect the other end and cylinder one end fixed connection, the flexible joint motion that can drive of cylinder catch bar, and then drive the monitoring board and rotate, realize the cylinder to guide pulley position's control, monitoring board is provided with the monitoring face, the monitoring face is facing to the detecting head of sensor, there is one section clearance between sensor and the monitoring face.
The monitoring surface is a cylindrical surface, the circle center of the monitoring surface is not coincident with the central line of the shaft, the circle center of the monitoring surface is collinear with the central line of the sensor, the monitoring surface and the central line of the shaft form an eccentric circle, when the monitoring plate rotates around the central line of the shaft, the distance between the monitoring surface and the sensor changes, the sensor outputs signals, the push rod of the cylinder is controlled by the control system to stretch, dynamic adjustment of the position of the guide wheel in the production process is achieved, and the guide wheel is guaranteed to be located in the optimal position range all the time.
The monitoring surface is a curved surface with gradually changed radius, the circle center of the monitoring surface is coincident with the central line of the shaft, the projection point of the central line of the shaft is collinear with the central line of the sensor, when the monitoring plate rotates around the central line of the shaft, the distance between the monitoring surface and the sensor changes, the sensor outputs a signal, the push rod of the cylinder is controlled by the control system to stretch, the dynamic adjustment of the position of the guide wheel in the production process is realized, and the guide wheel is ensured to be located in the optimal position range all the time.
The support is the L template, and the support is fixed in board panel below, the fixed plate is fixed in board panel below, and the wire winding or damage cylinder and sensor when having avoided the trouble.
During production, the wire generates a deflection force F about the axis of rotation on the guide wheelGold (Au)With cylinders acting on guide wheels to counter their deflection forces FGold (Au)A force of FCylinderThe distance between the sensor and the monitoring surface is provided with a control range, and the working condition of the guide wheel device is as follows:
when F is presentCylinder=FGold (Au)When the production system is in a balanced state, the stress of the metal wire is stable, and the equipment works normally.
When F is presentCylinder<FGold (Au)When the guide wheel is deflected to one side of the metal wire by taking the shaft as the center, the relative positions of the monitoring plate and the sensor which are arranged below the machine table panel are synchronously reduced, and the control range is the largest when the distance between the relative positions is less than or equal to the control rangeWhen the air pressure is small, the control system automatically instructs the air cylinder to intake air and increases the air cylinder pressure FCylinderThe guide wheel returns to the optimal position range, the stress consistency of the metal wire is improved, and the balanced working state of the production system is kept.
When F is presentCylinder>FGold (Au)When the guide wheel deflects to the direction opposite to the metal wire traction side by taking the shaft as the center, the relative positions of the monitoring plate and the sensor which are arranged below the machine panel are also synchronously enlarged, the control system automatically instructs the cylinder to exhaust, and the pressure F of the cylinder is reducedCylinderThe guide wheel returns to the optimal position range, the stress consistency of the metal wire is improved, and the balanced working state of the production system is kept; when the relative position distance is larger than or equal to the maximum value of the control range, the control system automatically cuts off the power and stops the machine and gives an alarm, and the condition is generally a wire breakage fault.
The invention has the beneficial effects that:
compared with the prior art, through setting up mutually perpendicular's vertical rotating shaft and horizontal rotating shaft, realize the guide pulley position in height, horizontal rotating shaft along its central spindle to the translation, horizontal rotating shaft along the central spindle rotate the regulatory function on the three degree of freedom, can conveniently adjust the guide pulley to the optimum position to set up adjusting nut and fix convenient operation, swift to the position of debugging. The air cylinder, the transmission mechanism and the sensor are arranged, so that the position of the guide wheel is dynamically controlled in the production process, the guide wheel is always positioned in the optimal position range in the production process, the stress of the processed metal wire is stable, the consistency is high, the pretreatment quality is high, and the quality and the competitiveness of enterprise products are improved. When the guide wheel deflects too much and fails, the control system automatically cuts off the power and stops the machine and gives an alarm, thereby saving the failure processing time and reducing the failure processing cost.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is an oblique top view of FIG. 1;
FIG. 3 is a bottom oblique view of FIG. 1;
FIG. 4 is a view in the direction A-A of FIG. 1;
FIG. 5 is a view in the direction B-B in FIG. 1;
FIG. 6 is a schematic view of a structure of a guide wheel according to a first embodiment of the present invention;
FIG. 7 is a schematic view of a vertical shaft structure according to a first embodiment of the present invention;
FIG. 8 is a schematic view of a horizontal rotation shaft structure according to a first embodiment of the present invention;
FIG. 9 is a schematic structural view of a monitoring plate according to a first embodiment of the present invention;
fig. 10 is a schematic structural diagram of a monitoring board according to a second embodiment of the present invention.
In the figure: 1-guide wheel, 2-air cylinder, 3-fixing plate, 4-vertical rotating shaft, 5-horizontal rotating shaft, 6-first adjusting nut, 7-second adjusting nut, 8-third adjusting nut, 9-machine table panel, 10-bracket, 11-sensor, 12-bearing, 13-gasket, 14-retainer ring, 15-limiting plate, 16-limiting bolt, 17-swing arm, 18-shaft, 19-monitoring plate, 20-joint, 21-shaft seat, 22-shaft seat cover, 23-end cover, 24-baffle, 25-cover plate, 26-bush, 101-groove, 401-external thread, 402-step, 501-internal thread, 1801-boss, 1901-connecting rod, 1902-monitoring surface.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
Example one
As shown in fig. 1 to 5, a guide wheel device with three adjustable degrees of freedom includes a guide wheel 1, a steering mechanism, a limiting mechanism, a transmission mechanism, a monitoring mechanism, a cylinder 2 and a fixing plate 3, wherein the cylinder 2 is a single-acting cylinder in this embodiment.
Steering mechanism includes mutually perpendicular's vertical rotating shaft 4 and horizontal rotating shaft 5, threaded connection is passed through with 5 one end of horizontal rotating shaft to 4 one ends of vertical rotating shaft, the vertical rotating shaft other end is provided with guide pulley 1, be provided with first adjusting nut 6 on the vertical rotating shaft 4, be provided with second adjusting nut 7 on the horizontal rotating shaft 5, vertical rotating shaft 4 realizes the position control on the direction of height, horizontal rotating shaft 5 realizes the position control along its central line axial translation, horizontal rotating shaft 5 can also rotate along its central line, realize the regulation of three degree of freedom, can conveniently adjust the guide pulley to best position, and be provided with adjusting nut respectively and fix the position of debugging, high durability and convenient operation, and is swift.
The transmission mechanism comprises a swing arm 17, a shaft 18, a monitoring plate 19 and a connector 20 which are sequentially connected, the swing arm 17 is in threaded connection with the horizontal rotating shaft 5, the middle of the swing arm 17 is arranged in a limiting mechanism, the limiting mechanism limits the swing arc of the swing arm 17, the limiting mechanism is fixedly connected with the machine panel 9 through a fastener, the connector 20 is fixedly connected with one end of a cylinder 2, the transmission mechanism can be driven to move through the telescopic motion of a push rod of the cylinder 2, the guide wheel 1 is finally driven to move, the position of the guide wheel 1 is adjusted, the cylinder 2 is connected with a control system air passage of equipment through a standard connector, the control system controls the push rod of the cylinder 2 to move through an output signal of a sensor 11, the other end of the cylinder 2 is movably connected with a fixed plate 3, and the fixed.
The monitoring mechanism comprises a support 10 and a sensor 11, the support 10 is fixed on the machine table panel 9, the sensor 11 is fixed on the support 10, a detecting head of the sensor 11 faces a monitoring plate 19, the output end of the sensor 11 is connected to a control system of the equipment, the sensor 11 outputs signals according to the change of the relative distance between the detecting head and the monitoring plate 19, and instructions are made on the movement of a push rod of the air cylinder 2 through the control system.
4 lower extremes of vertical pivot is provided with external screw thread 401, see fig. 7 and shows, 5 one end of horizontal rotating shaft is provided with vertical internal thread 501 that link up, see fig. 8 and show, external screw thread 401 closes with internal thread 501 soon and is connected, first adjusting nut 6 and internal thread 501's terminal surface laminating, second adjusting nut 7 and the laminating of swing arm 17 terminal surface, form two nut locks after first adjusting nut 6 screws, guarantee that vertical pivot 4 is difficult not hard up, form two nut locks after second adjusting nut 7 screws, guarantee that horizontal rotating shaft 5 is difficult not hard up, and then guarantee that guide pulley 1 position is stable.
The middle of the vertical rotating shaft 4 is provided with a step 402, as shown in fig. 7, one side of the step 402 close to the upper end of the vertical rotating shaft 4 is provided with two bearings 12, a gasket 13 is arranged between the two bearings 12, one end of each of the two bearings 12 is attached to the end face of the step 402, the other end of each of the two bearings 12 is provided with a fastener fixedly connected with the vertical rotating shaft 4, a through inner hole is formed in the middle shaft of the guide wheel 1, a groove 101 is formed in the middle part of the inner hole of the guide wheel 1, as shown in fig. 6, a retainer ring 14 is arranged in the groove 101, the inner ring of the retainer ring 14 is inserted into a gap between the two bearings 12, a cover plate 25 is fixedly connected to the guide wheel 1, the bearings 12 enable the guide wheel.
Stop gear includes limiting plate 15 and limiting bolt 16, and limiting plate 15 is U type groove, and U type groove opening both ends are provided with limiting bolt 16 to the inslot, are provided with third adjusting nut 8 on limiting bolt 16, and limiting plate 15 is fixed on deck plate 9, swing arm 17 sets up on the plane of symmetry between two limiting bolt 16, and the clearance between limiting bolt 16 and the swing arm 17 can be adjusted to third adjusting nut 8, and then control swing arm 17's swing arc, when faults such as broken silk appear, prevent that swing arm 17 from excessively deflecting damage cylinder 2 and other spare parts, reduce the maintenance cost, extension equipment life.
The height of the center line of the swing arm 17 is consistent with that of the center line of the limiting bolt 16, and the limiting bolt 16 is guaranteed to effectively limit the swing arm 17.
One end of the swing arm 17 is fixedly connected with the upper end of the shaft 18 through a flat key, so that the shaft 18 can drive the swing arm 17 to rotate together when rotating, the middle part of the shaft 18 is provided with a boss 1801, the swing arm 17 is attached to the upper end surface of the boss 1801, the swing arm 17 is perpendicular to the shaft 18, the swing arm 17 is provided with a baffle plate 24, the baffle plate 24 is fixedly connected with the shaft 18 through a fastener, the swing arm 17 is fixedly fixed on the shaft 18, the lower end of the boss 1801 is provided with two bearings 12, the bearings 12 are attached to the lower end surface of the boss 1801, a bushing 26 is arranged between the two bearings 12, two bearings 12 are externally sleeved with a shaft seat 21 and a shaft seat cover 22, the shaft seat 21 and the shaft seat cover 22 are connected through a fastener, the shaft seat 21 is fixed on the machine panel 9, the central line is ensured to be immovable relative to the machine panel 9 when the, a bushing 26 is arranged between the monitoring plate 19 and the bearing 12, an end cover 23 is arranged below the monitoring plate 19, and the end cover 23 is fixedly connected with the shaft 18 through a fastener.
The lower end of the shaft 18 is fixedly connected with the monitoring plate 19 through a flat key, so that the monitoring plate 19 can drive the shaft 18 to rotate together when rotating, and further drive the swing arm 17 to rotate together, and finally realize the adjustment of the position of the guide wheel 1, as shown in fig. 9, the monitoring plate 19 is of a disc-shaped cam structure, one side of the monitoring plate 19 is provided with an extended connecting rod 1901, the connecting rod 1901 is movably connected with one end of a connector 20, the other end of the connector 20 is fixedly connected with one end of a cylinder 2, the extension of a push rod of the cylinder 2 can drive the connector 20 to move, and further drive the monitoring plate 19 to rotate, so that the cylinder 2 can control the position of the guide wheel 1, the monitoring plate 19 is provided with a monitoring surface 1902, the monitoring surface 1902 faces a detecting head.
The support 10 is an L-shaped plate, the support 10 is fixed below the machine table panel 9, and the fixing plate 3 is fixed below the machine table panel 9, so that the phenomenon that a metal wire is wound or the cylinder and the sensor are damaged in the fault process is avoided.
During production, the wire generates a deflection force F about the axis of rotation on the guide wheelGold (Au)With cylinders acting on guide wheels to counter their deflection forces FGold (Au)A force of FCylinderThe distance between the sensor and the monitoring surface is provided with a control range, the control range is 2-8 mm in the embodiment, and the working condition of the guide wheel device is as follows:
when F is presentCylinder=FGold (Au)When the production system is in a balanced state, the stress of the metal wire is stable, and the equipment works normally.
When F is presentCylinder<FGold (Au)When the guide wheel is deflected to one side of the metal wire by taking the shaft as the center, the relative positions of the monitoring plate and the sensor which are arranged below the machine table panel are the sameThe step is reduced, when the distance of the relative positions is less than or equal to the minimum value of the control range of 2mm, the control system automatically instructs the air cylinder to intake air, and the pressure F of the air cylinder is increasedCylinderThe guide wheel returns to the optimal position range, the stress consistency of the metal wire is improved, and the balanced working state of the production system is kept.
When F is presentCylinder>FGold (Au)When the guide wheel deflects to the direction opposite to the metal wire traction side by taking the shaft as the center, the relative positions of the monitoring plate and the sensor which are arranged below the machine panel are also synchronously enlarged, the control system automatically instructs the cylinder to exhaust, and the pressure F of the cylinder is reducedCylinderThe guide wheel returns to the optimal position range, the stress consistency of the metal wire is improved, and the balanced working state of the production system is kept; when the distance between the relative positions is larger than or equal to the maximum value of the control range by 8mm, the control system automatically cuts off the power and stops the machine and gives an alarm, and the condition is generally a wire breakage fault.
Example two
On the basis of the structure of the first embodiment, only the structure of the monitoring plate 19 is changed as follows:
as shown in fig. 10, the monitoring surface 1902 is a curved surface with gradually changing radius, the center of the monitoring surface 1902 coincides with the center line of the shaft 18, the projection point of the center line of the shaft 18 is collinear with the center line of the sensor 11, when the monitoring plate 19 rotates around the center line of the shaft 18, the distance between the monitoring surface 1902 and the sensor 11 changes, the sensor 11 outputs a signal, and the push rod of the cylinder 2 is controlled by the control system to extend and retract, so that the dynamic adjustment of the position of the guide wheel 1 in the production process is realized, and the guide wheel 1 is ensured to be located in the optimal position range all the time.
According to the guide wheel device with three adjustable degrees of freedom, the vertical rotating shaft and the horizontal rotating shaft which are perpendicular to each other are arranged, so that the adjusting functions of the position of the guide wheel on three degrees of freedom of translation of the height of the guide wheel and the horizontal rotating shaft along the axial direction of the center line of the guide wheel and rotation of the horizontal rotating shaft along the center line of the guide wheel are achieved, the guide wheel can be conveniently adjusted to the optimal position, the adjusting nut is arranged to fix the adjusted position, and the operation is convenient and rapid. The air cylinder, the transmission mechanism and the sensor are arranged, so that the position of the guide wheel is dynamically controlled in the production process, the guide wheel is always positioned in the optimal position range in the production process, the stress of the processed metal wire is stable, the consistency is high, the pretreatment quality is high, and the quality and the competitiveness of enterprise products are improved. When the guide wheel deflects too much and fails, the control system automatically cuts off the power and stops the machine and gives an alarm, thereby saving the failure processing time and reducing the failure processing cost.
Claims (10)
1. A guide wheel assembly having three adjustable degrees of freedom, comprising: comprises a guide wheel (1), a steering mechanism, a limiting mechanism, a transmission mechanism, a monitoring mechanism, a cylinder (2) and a fixing plate (3),
the steering mechanism comprises a vertical rotating shaft (4) and a horizontal rotating shaft (5) which are mutually perpendicular, one end of the vertical rotating shaft (4) is connected with one end of the horizontal rotating shaft (5) through threads, the other end of the vertical rotating shaft is provided with a guide wheel (1), a first adjusting nut (6) is arranged on the vertical rotating shaft (4), a second adjusting nut (7) is arranged on the horizontal rotating shaft (5),
the transmission mechanism comprises a swing arm (17), a shaft (18), a monitoring plate (19) and a joint (20) which are sequentially connected, the swing arm (17) is connected with the horizontal rotating shaft (5) through threads, the middle part of the swing arm (17) is arranged in a limiting mechanism, the limiting mechanism is fixedly connected with the machine panel (9) through a fastener, the joint (20) is fixedly connected with one end of the cylinder (2), the other end of the cylinder (2) is movably connected with the fixed plate (3), the fixed plate (3) is fixed on the machine panel (9),
the monitoring mechanism comprises a support (10) and a sensor (11), the support (10) is fixed on the machine table panel (9), the sensor (11) is fixed on the support (10), and a detection head of the sensor (11) faces to the monitoring plate (19).
2. The idler assembly having three adjustable degrees of freedom of claim 1, wherein: vertical pivot (4) lower extreme is provided with external screw thread (401), horizontal rotating shaft (5) one end is provided with vertical internal thread (501) that link up, and external screw thread (401) close with internal thread (501) soon and are connected, and first adjusting nut (6) and the terminal surface laminating of internal thread (501), second adjusting nut (7) and swing arm (17) terminal surface laminating.
3. The idler assembly having three adjustable degrees of freedom of claim 1, wherein: the middle part of the vertical rotating shaft (4) is provided with a step (402), one side of the step (402) close to the upper end of the vertical rotating shaft (4) is provided with two bearings (12), a gasket (13) is arranged between the two bearings (12), one end of each of the two bearings (12) is attached to the end face of the step (402), the other end of each of the two bearings (12) is provided with a fastener fixedly connected with the vertical rotating shaft (4), a through inner hole is formed in the middle shaft of the guide wheel (1), a groove (101) is formed in the middle part of the inner hole of the guide wheel (1), a check ring (14) is arranged in the groove (101), the inner ring of the check ring (14) is inserted into a gap between the two bearings (12), and.
4. The idler assembly having three adjustable degrees of freedom of claim 1, wherein: limiting mechanism includes limiting plate (15) and limiting bolt (16), and limiting plate (15) are U type groove, and U type groove opening both ends are provided with limiting bolt (16) to the inslot, are provided with third adjusting nut (8) on limiting bolt (16), and limiting plate (15) are fixed on deck plate (9), swing arm (17) set up on the plane of symmetry between two limiting bolt (16).
5. The idler assembly having three adjustable degrees of freedom of claim 4, wherein: the height of the center line of the swing arm (17) is consistent with that of the center line of the limiting bolt (16).
6. The idler assembly having three adjustable degrees of freedom of claim 1, wherein: one end of the swing arm (17) is fixedly connected with the upper end of the shaft (18) through a flat key, a boss (1801) is arranged in the middle of the shaft (18), the swing arm (17) is attached to the upper end face of the boss (1801), the swing arm (17) is perpendicular to the shaft (18), a baffle (24) is arranged on the swing arm (17), the baffle (24) is fixedly connected with the shaft (18) through a fastener, two bearings (12) are arranged at the lower end of the boss (1801), the bearings (12) are attached to the lower end face of the boss (1801), a bushing (26) is arranged between the two bearings (12), a shaft seat (21) and a shaft seat cover (22) are sleeved outside the two bearings (12), the shaft seat (21) is connected with the shaft seat cover (22) through a fastener, the shaft seat (21) is fixed on the machine deck plate (9), a monitoring plate (19) is sleeved at the lower end of the shaft (18), a, an end cover (23) is arranged below the monitoring plate (19), and the end cover (23) is fixedly connected with the shaft (18) through a fastener.
7. The idler assembly having three adjustable degrees of freedom of claim 1, wherein: axle (18) lower extreme passes through flat key and monitoring board (19) fixed connection, monitoring board (19) are the disk cam structure, monitoring board (19) one side is provided with overhanging connecting rod (1901), connecting rod (1901) and joint (20) one end swing joint, connect (20) the other end and cylinder (2) one end fixed connection, monitoring board (19) are provided with monitoring face (1902), monitoring face (1902) is facing to the detecting head of sensor (11), there is one section clearance between sensor (11) and monitoring face (1902).
8. The idler assembly having three adjustable degrees of freedom of claim 7, wherein: the monitoring surface (1902) is a cylindrical surface, the circle center of the monitoring surface (1902) is not coincident with the center line of the shaft (18), and the circle center of the monitoring surface (1902) is collinear with the center line of the sensor (11).
9. The idler assembly having three adjustable degrees of freedom of claim 7, wherein: the monitoring surface (1902) is a curved surface with gradually changed radius, the center of the monitoring surface (1902) is overlapped with the center line of the shaft (18), and the projection point of the center line of the shaft (18) is collinear with the center line of the sensor (11).
10. The idler assembly having three adjustable degrees of freedom of claim 1, wherein: the support (10) is an L-shaped plate, the support (10) is fixed below the machine table panel (9), and the fixing plate (3) is fixed below the machine table panel (9).
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CN201911129546.6A CN110802119A (en) | 2019-11-18 | 2019-11-18 | Guide wheel device with three adjustable degrees of freedom |
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CN201911129546.6A CN110802119A (en) | 2019-11-18 | 2019-11-18 | Guide wheel device with three adjustable degrees of freedom |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN112718898A (en) * | 2021-01-21 | 2021-04-30 | 江苏鑫旺新材料科技有限公司 | Adjustable wire drawing roller shaft for metal wire drawing production |
CN113998535A (en) * | 2021-12-01 | 2022-02-01 | 常州恒丰特导股份有限公司 | Guide wheel capable of being freely adjusted for high-frequency conductor |
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CN112718898A (en) * | 2021-01-21 | 2021-04-30 | 江苏鑫旺新材料科技有限公司 | Adjustable wire drawing roller shaft for metal wire drawing production |
CN113998535A (en) * | 2021-12-01 | 2022-02-01 | 常州恒丰特导股份有限公司 | Guide wheel capable of being freely adjusted for high-frequency conductor |
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