CN209939986U - Constant-tension self-adaptive thin steel strip feeding machine - Google Patents
Constant-tension self-adaptive thin steel strip feeding machine Download PDFInfo
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- CN209939986U CN209939986U CN201822166737.7U CN201822166737U CN209939986U CN 209939986 U CN209939986 U CN 209939986U CN 201822166737 U CN201822166737 U CN 201822166737U CN 209939986 U CN209939986 U CN 209939986U
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Abstract
The utility model relates to a thin steel strip constant tension self-adaptive feeder, which comprises a steering frame, an equipment frame, a three-dimensional adjusting unit for steel strip steering control, a steel strip tray rotating device, a servo system and a control unit thereof, a steering wheel mechanism, a speed self-adaptive unit and a steel strip guiding and leveling unit; the three-dimensional adjusting unit comprises steel belt guide rollers of a steering roller, and the steel belt guide rollers are in multi-direction smooth transition from up and down, left and right, inclined and rotated to self-adaptive units, and the self-adaptive feeding of the constant tension speed of the steel belt is realized through three guide rollers of the speed self-adaptive units, speed feedback and a tension balancing weight. The utility model discloses a many coils of steel band dish book formula pay-off combines together speed adaptive control and tension control, can realize permanent tension adaptive feeding, has solved bellows former, cable welded tube equipment, thin blanking equipment feeding speed unstability, strip limit portion fold scheduling problem, has advantages such as pay-off precision height, steady speed, self-adaptation, permanent tension.
Description
Technical Field
The utility model relates to a feeder, especially a permanent tension self-adaptation feeder of thin steel band for production line belongs to the machine-building technical field.
Background
The small-caliber stainless steel metal corrugated pipe hose is formed by rolling, welding and spinning thin-wall stainless steel strips, has comprehensive properties of flexibility, vibration resistance, pressure resistance, corrosion resistance, fatigue resistance and the like, can bear loads of pulse, torsion and bending, and is an important pipeline system connecting piece.
In order to solve the technical problem of precise hose forming, firstly, the difficulty of stable feeding of the on-line forming welded pipe needs to be overcome. To the best of the applicant's knowledge, the traditional way of feeding the steel strip is a single-disk horizontal or vertical follow-up turntable, which rotates freely with the traction of the steel strip. Due to the fact that feeding speed is not uniform and tension of the steel strip is not constant, wrinkling and distortion of the edge of the strip are difficult to avoid, and welding quality is affected. Although the constant tension control is adopted in the strip rolling process at present, the whole set of control system is large and complex (see the Chinese patent with the application number of 201210590933.1), and cannot be applied to a small production line of end products.
In the chinese patent application with publication number CN203253839U, it is found that the installation ring formed by more than two arc-shaped sheets on the same circumference has a variable diameter to adapt to the belt ring formed by stainless steel belts with different diameters, and a certain fastening force is generated to the belt ring to prevent the belt ring from slipping and affecting the feeding quality.
Chinese patent application publication No. CN106629182A discloses a steel strip feeder, which comprises a frame, wherein two parallel side plates are mounted on the top surface of the frame, and the side plates are perpendicular to the top surface of the frame; a conveying roller, a tension roller assembly I, a compression roller assembly I, a tension roller assembly II and a compression roller assembly II are sequentially arranged between the two side plates along the length direction of the side plates; one tensioning roller subassembly includes the back shaft, and the back shaft is perpendicular with the curb plate, the upper end respectively the rigid coupling of two curb plates have with just right installation piece about the back shaft, the both ends of back shaft are respectively through extension spring and two the installation piece is connected, the cover is equipped with tensioning roller and the two clearance fit on the back shaft, tensioning roller highly be less than the height of conveying roller is located tensioning roller both sides install the limiting plate on the back shaft respectively, the limiting plate with steel band side contact on the tensioning roller. The steel belt conveying device can prevent the steel belt from deviating in the conveying process and ensure the stable conveying of the steel belt.
Chinese patent with publication number CN205816506U discloses an LED support stamping machine tool and steel strip feeding device, which comprises a support frame and a support plate, wherein the support plate is rotatably arranged on the support frame, and is characterized in that: placed the steel band dish on the supporting disk, steel band dish bottom is provided with the fork truck hole, steel band dish center is provided with spacing arch, spacing arch demountable installation be in on the steel band dish, its technical scheme main points are through steel band material feeding unit, can be convenient send the steel band to be used for producing the support in the punching press lathe, when changing the steel band, directly with fork truck mechanized operation simultaneously, only need alone just removable steel band.
Chinese patent No. CN202156812U discloses a steel strip feeding roller support, which comprises a seesaw frame mounted on the seesaw frame support, an upper roller mounted at one end of the seesaw frame, and two rollers mounted on the lower roller support, wherein a counter weight is mounted on the seesaw frame, the counter weight is slidably connected with the seesaw frame, a motor is mounted at one end of the seesaw frame, and the motor is in transmission connection with the counter weight; the motor is in transmission connection with the balancing weight through a lead screw; the output end of the screw rod connected between the motor and the balancing weight passes through the seed distributing block and is inserted into the shaft sleeve on the seesaw frame. It is through installing the balancing weight on the seesaw frame to adjust through motor and lead screw, make the operation of adjusting the steel band tensioning or relaxing more simple and convenient, improved efficiency and security.
However, none of the above prior arts simultaneously ensures the self-adaptation of the feeding speed and the constant tension, so that the problems of preventing the edge of the strip from wrinkling and twisting, which are necessary for the precise hose forming, cannot be properly solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: aiming at the problems in the prior art, the constant tension self-adaptive feeder capable of simultaneously ensuring the self-adaption of the feeding speed and the constancy of the tension and simple in structure is provided, so that the folds and the distortion of the edge of a strip are effectively avoided, and the guarantee is provided for the welding process of the precise hose forming.
In order to achieve the above object, the utility model discloses permanent tension self-adaptation feeder of thin steel band basic technical scheme is: comprises a rotating unit and a servo control unit which are arranged on a horizontal frame and used for placing a coiled steel strip; one side of the horizontal rack is provided with a three-dimensional adjusting unit through a steering rack fixedly connected with the horizontal rack, the other side of the horizontal rack is provided with a speed self-adaptive unit, and the output end of the speed self-adaptive unit is provided with a steel strip guiding and leveling unit;
the three-dimensional adjusting unit is composed of three-stage screw rod and nut mechanisms which are mutually vertical and stacked layer by layer, and a vertical steering roller is arranged at the top of the three-dimensional adjusting unit;
the rotating unit comprises a rotating shaft supported in the middle of the horizontal rack, and the lower end of the rotating shaft is in transmission connection with a servo power system controlled by the servo control unit through a transmission mechanism; the upper end of the rotating shaft is provided with a tray for placing the stacked coiled steel strip;
the speed self-adaptive unit comprises a vertical frame, wherein a vertical guide rail and a floating base forming a vertical moving pair with the vertical guide rail are arranged on the inner side of the vertical frame, a tension balancing weight and a floating roller are arranged on the floating base, and an inlet guide roller and an outlet guide roller are respectively arranged on two sides of the vertical frame; a strip sensor for monitoring the passing of the steel strip and a magnetic suspension displacement sensor for detecting the floating roller are respectively arranged below the inlet guide roller and the outlet guide roller; the signal output ends of the strip sensor and the magnetic suspension displacement sensor are connected with the controlled end of the servo power system through a servo control unit;
the steel strip guiding and leveling unit mainly comprises an upper pressing plate and a lower pressing plate which are adjustable in distance and provided with inlet guiding chamfers, and guiding bearings distributed at intervals are arranged on two sides of the upper pressing plate and two sides of the lower pressing plate respectively.
The utility model discloses thin steel band constant tension self-adaptation feeder's basic pay-off process does:
1) the strip is placed on the feeding turntable by a forklift, sequentially passes through the three-dimensional adjusting unit, the speed self-adaption unit and the guiding leveling unit, and finally enters the strip traction mechanism;
2) adjusting the vertical, horizontal and inclined angles of the three-dimensional adjusting unit to enable the strip to smoothly twist from vertical to horizontal and enter the upper roll surface of the guide roll of the speed self-adaptive unit;
3) regulating the flanges of the rollers to restrain the lateral movement of the strip, starting a servo control unit to control the feeding movement, starting a strip traction mechanism and following the traction speed VTraction apparatusAnd the change of the radius of the strip, the servo control unit adjusts and controls the servo power system in real time according to the change difference of the sensing signals of the magnetic suspension sensor and the strip sensor, and correspondingly changes the rotating speed of the rotating unit, thereby realizing the feeding speed VFeeding of materialsWith a traction speed VTraction apparatusThe automatic matching of the tension balancing weight and the constant tension control realized by the tension balancing weight.
Therefore, the utility model discloses with the invariable difficult problem of feeding speed self-adaptation and tension of proper while having solved among the strip transportation process of simple structure relatively to can effectively avoid strip limit portion fold, distortion, provide reliable guarantee for the fashioned welding process of precision hose.
The utility model discloses an concretize and include:
the three-dimensional adjusting unit (2) comprises a fixed base (209) fixedly connected with a steering rack, a vertical guide rod and a vertical screw rod are arranged on the fixed base, the vertical guide rod and a sliding seat form a vertical moving pair, the vertical screw rod and a nut on the sliding seat form a vertical screw pair, and an upper adjusting hand wheel (207) and a lower adjusting hand wheel are arranged at the upper end of the vertical screw rod and the nut on the sliding seat; the sliding seat is provided with a horizontal linear guide rail (203) and a transmission screw rod (201), the linear guide rail and a screw rod sliding block (202) form a horizontal moving pair, the transmission screw rod and a nut on the screw rod sliding block form a horizontal direction screw pair, and one end of the transmission screw rod and a nut on the screw rod sliding block are provided with a horizontal adjusting hand wheel (208); a steering roller (206) is arranged on the screw rod sliding block through an inclination angle adjusting structure (205), the inclination angle adjusting structure is composed of a horizontal screw pair vertical to the linear guide rail, an inclination angle adjusting hand wheel (204) is arranged at one end of a screw rod of the horizontal screw pair, and a vertical steering roller is arranged on the movable nut component; thereby constituting a three-dimensional adjustment mechanism of the turning roll.
The rotating unit (3) comprises a rotating shaft base (303) fixed in the middle of the horizontal rack and a rotating shaft (305) installed in the center of the base, and the lower end of the rotating shaft is fixedly connected with a large synchronous pulley (304) and is in transmission connection with a small synchronous pulley (307) driven by a speed reducer (308) through a synchronous belt (306) and a servo power system (5); the upper end of rotation axis links firmly with rotatory charging tray (301), be equipped with tray (302) that are used for placing pile-up formula coiled steel strip (4) on the rotatory charging tray.
The speed self-adaptive unit (7) comprises a vertical frame consisting of a unit frame (705) supported by a base (701) and a rib plate (702), wherein a vertical guide rail (706) and a floating base (704) forming a vertical moving pair with the vertical guide rail are arranged on the inner side of the vertical frame, a tension balancing weight (711) and a floating roller (713) are arranged on the floating base, and an inlet guide roller (709) through which a steel strip (708) passes when input and an outlet guide roller (710) through which the steel strip passes when output after winding the floating roller are respectively arranged on two sides of the vertical frame; the bottom end of the vertical guide rail is provided with a hydraulic buffer mechanism (703) which can prevent the rigid impact when the floating roller is lowered to the lower limit position; and a strip sensor (707) for monitoring the passing of the steel strip and a magnetic suspension displacement sensor (712) for detecting the floating roll are respectively arranged below the inlet guide roll and the outlet guide roll.
The utility model has the further improvement that the bottom end of the vertical guide rail is provided with a hydraulic buffer mechanism; the hydraulic buffer mechanism is composed of a bottom plate fixed with the unit frame, a supporting plate fixedly connected with the bottom plate through a connecting bolt, and a hydraulic buffer fixed on the supporting plate through a locking nut.
The utility model discloses further perfect is, the horizontal mandrel that unsteady base linked firmly including the slider that floats that has the guide rail bayonet socket, with the mandrel base that unsteady slider passed through the bed plate and linked firmly with the mandrel base.
The utility model is further perfected in that the floating roller is composed of a roller which is movably sleeved on a horizontal mandrel and is provided with a strip flange; the inlet guide roll and the outlet guide roll respectively comprise a side base and an installation base which are fixedly connected with each other and installed in the guide grooves of the unit frame through connecting bolts, the installation base supports and tightly installs the mandrel through a mandrel locking screw, the mandrel is sleeved with the guide roll body, and two ends of the guide roll body are respectively provided with a strip retaining ring through the locking screw.
The utility model discloses further perfection is again, the bed plate links firmly with the counter weight monomer through counter weight base, counter weight monomer one end has connecting pin and the other end has the jack that matches with the connecting pin.
The utility model discloses still further perfection is, go up the anterior and the rear portion of dull and stereotyped and the anterior and the rear portion of the dull and stereotyped of pushing down and all inlay and be equipped with the felt.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the operation of the embodiment of FIG. 1;
FIG. 3 is a schematic diagram of a three-dimensional adjustment unit in the embodiment of FIG. 1;
FIG. 4 is a schematic structural diagram of a steel strip rotating unit, a rack and a power system in the embodiment of FIG. 1;
FIG. 5 is a schematic diagram of the adaptive unit in the embodiment of FIG. 1;
FIG. 6 is a schematic diagram of a hydraulic buffer structure of the adaptive unit in the embodiment of FIG. 1;
FIG. 7 is a schematic diagram of the structure of the floating roller, the slider base, the magnetic suspension and the counterweight of the adaptive unit in the embodiment of FIG. 1;
FIG. 8 is a schematic diagram of a counterweight block in the embodiment of FIG. 1;
FIG. 9 is a schematic view of the structure of the guide roller in the embodiment of FIG. 1;
fig. 10 is a schematic view of the discharging leveling guide structure in the embodiment of fig. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example 1:
the thin steel strip constant tension self-adaptive feeder of the embodiment is basically as shown in fig. 1 and 2, and comprises a rotating unit 3 which is installed on a horizontal frame 6 and used for placing a coiled steel strip 4, wherein a three-dimensional adjusting unit 2 is installed on one side of the horizontal frame through a steering frame 1 fixedly connected with the horizontal frame, a speed self-adaptive unit 7 is installed on the other side of the horizontal frame, and a steel strip guiding and leveling unit 8 is installed at the output end of the speed self-adaptive unit.
The three-dimensional adjusting unit 2 comprises a fixed base 209 fixedly connected with a steering frame, a fixed base is provided with a vertical guide rod and a vertical screw rod, the vertical guide rod and a sliding seat form a vertical moving pair, the vertical screw rod and a nut on the sliding seat form a vertical screw pair, and the upper end of the vertical screw rod and a nut on the sliding seat are provided with an upper adjusting hand wheel 207 and a lower adjusting hand wheel 207; the sliding seat is provided with a horizontal linear guide rail 203 and a transmission screw rod 201, the linear guide rail and a screw rod sliding block 202 form a horizontal moving pair, the transmission screw rod and a nut on the screw rod sliding block form a horizontal direction screw pair, and one end of the transmission screw rod and a nut on the screw rod sliding block are provided with a horizontal adjusting hand wheel 208; a steering roller 206 is arranged on the screw rod sliding block through an inclination angle adjusting structure 205, the inclination angle adjusting structure is composed of a horizontal screw pair vertical to the linear guide rail, an inclination angle adjusting hand wheel 204 is arranged at one end of a screw rod of the horizontal screw pair, and the steering roller is arranged on the movable nut component; thereby forming a three-dimensional adjusting mechanism of the steering roller;
as shown in fig. 4, the rotating unit 3 includes a rotating shaft base 303 fixed in the middle of the horizontal frame and a rotating shaft 305 installed in the center of the base, the lower end of the rotating shaft is fixedly connected with a large synchronous pulley 304 and is in transmission connection with a small synchronous pulley 307 driven by a speed reducer 308 through a synchronous belt 306 and the servo power system 5; the upper end of the rotating shaft is fixedly connected with a rotating tray 301, and the rotating tray is provided with a tray 302 for placing the stacked coiled steel strip 4; therefore, the stacked coiled steel strip placed on the rotary tray by the forklift can rotate according to the servo motion instruction.
As shown in fig. 5, the speed adaptive unit 7 includes a vertical frame formed by a base 701 and a rib plate 702 supporting a unit frame 705, a vertical guide rail 706 and a floating base 704 forming a vertical moving pair with the vertical guide rail are installed on the inner side of the vertical frame, a tension balancing weight 711 and a floating roller 713 are installed on the floating base, and an inlet guide roller 709 through which a steel strip 708 passes when being input and an outlet guide roller 710 through which the steel strip passes when being output after being wound around the floating roller are respectively installed on two sides of the vertical frame; the bottom end of the vertical guide rail is provided with a hydraulic buffer mechanism 703 which can prevent the rigid impact when the floating roller is lowered to the lower limit position; and a strip sensor 707 for monitoring the passing of the steel strip and a magnetic suspension displacement sensor 712 for detecting the floating roll are respectively arranged below the inlet guide roll and the outlet guide roll. The signal output ends of the strip sensor and the magnetic suspension displacement sensor are connected with the controlled end of the servo power system through a servo control unit.
As shown in fig. 6, the hydraulic buffer mechanism 703 is composed of a bottom plate 7031 fixed to the unit frame, a support plate 7033 fixedly connected to the bottom plate by a connecting bolt 7032, and a hydraulic buffer 7035 fixed to the support plate by a lock nut 7034. The mounting position of the hydraulic buffer can be adjusted up and down through the adjusting thread on the hydraulic buffer, so that the buffering position and the buffering acting force are finely adjusted.
As shown in fig. 7 and 8, the floating base 704 includes a floating slider 7043 having a guide rail bayonet, a spindle base 7041 fixedly connected to the floating slider via a base plate 7042, and a horizontal spindle 7131 fixedly connected to the spindle base; and is constrained by the vertical guide rail to slide up and down. Dancer 713 consists of a roller 7133 looped over a horizontal mandrel 7131 with a ribbon lip 7132 that floats up and down with the ribbon. The base plate 7042 is fixedly connected with the counterweight single body 7112 through the counterweight base 7111, one end of the counterweight single body is provided with a connecting pin 7113, and the other end of the counterweight single body is provided with a jack matched with the connecting pin, so that the counterweight single body can be increased or decreased step by step as required to adjust and control the tension control in the feeding process of the strip material. The magnetic suspension sensor 712 comprises a magnetic suspension sliding block 7122 fixedly connected with a base plate 7042 through a support 7121, can float up and down along with the floating unit and feed back the real-time position to a motion control system so as to realize the self-adaption of the feeding speed and the constant tension control.
As shown in fig. 9, the inlet guide roller 709 includes a side base 7092 and a mounting base 7094 which are fixedly connected to each other and mounted in the guide groove of the unit frame 705 by connecting bolts 7091, the mounting base is fastened to a mounting core shaft 7093 by a core shaft locking screw 7096, a guide roller 7097 is sleeved on the core shaft, two ends of the guide roller are respectively provided with a strip retaining ring 7095 by a locking screw 7098, and the feeding height of the strip 708 can be adjusted up and down. The structure of the exit guide roller 710 is similar to that of the entrance guide roller, and will not be described in detail.
The steel strip guiding and leveling unit 8, as shown in fig. 10, comprises an upper fixing plate 804 and a lower fixing plate 808 with an adjustable interval, an upper pressing plate 802 and a lower pressing plate 803 with guiding chamfers are fixed on the opposite surfaces of the upper fixing plate and the lower fixing plate respectively, guiding bearings 807 are arranged between the upper fixing plate and the lower fixing plate and are distributed on the two sides of the upper pressing plate and the lower pressing plate at intervals, and the front part and the rear part of the upper pressing plate and the front part and the rear part of the lower pressing plate are embedded with felts 805. Therefore, the feeding belt 801 with different thicknesses can be adjusted by the adjusting hand wheel 806, the belt is ensured to be fed smoothly under the limit guidance of the guide bearing matched with the width of the feeding belt, and dust and dirt stuck on the surface of the belt are effectively removed.
The working principle of the thin steel strip constant-tension self-adaptive feeder and the use conditions of the devices are as follows:
the steel band is placed on the tray in a coiled stacking mode, the steering rack rotates 90 degrees outwards and simultaneously drives the three-dimensional adjusting unit to rotate, a forklift is used for placing the steel band containing tray on a rotating material tray from a tail end inlet, the steering rack is reset, the uppermost strip coil of the steel band is disassembled, and the end part of the strip sequentially penetrates through the rear roller surface of the steering roller, the upper roller surface of the inlet guide roller, the lower roller surface of the floating roller, the upper roller surface of the outlet guide roller, the guide leveling unit and enters the steel band traction unit 9.
Referring to fig. 3, in the three-dimensional adjusting unit and the speed adaptive unit shown in fig. 5, the steel belt is subjected to vertical-horizontal conversion through the steering roller and the inlet guide roller, the adjusting hand wheel 207 drives the mechanism to move up and down to prevent the belt material from interfering with the steel coil in the conveying process and to smoothly turn, the adjusting hand wheel 208 drives the mechanism to move horizontally to enable the belt material and the belt material traction mechanism to be positioned on the same central line, and the adjusting hand wheel 204 changes the inclination angle of the steering roller to obtain better fitting degree with the belt material. Regulating the inlet guide roller, the outlet guide roller and the floating roller flange to restrain the horizontal movement of the strip; and adjusting a hand wheel 806 of the guide leveling unit to adjust the gap between the upper pressing plate and the strip to flatten and remove the dirt on the strip. The self-adaptive feeding of thin strips with various specifications can be realized by adjusting the flanges of the rollers and the restriction of the vertical gap and the horizontal direction of the guide leveling unit.
Referring to the schematic diagram of the constant tension self-adaptive feeding principle of the steel belt of fig. 2, the feeding machine is in an initial state at the beginning, the floating roll is positioned on the lowest end hydraulic buffer mechanism under the action of the counterweight block, and the belt traction mechanism drives the belt to drive the belt to be at a traction speed V after the operation and the startTraction apparatusThe magnetic suspension sensor mechanism feeds back a motion control system of the servo control unit in real time through position signals transmitted by the magnetic suspension slider, the rotation speed is calculated and generated from small to large according to the displacement returned by each position from bottom to top of the displacement sensor in the motion control system, and the rotation speed is transmitted to the servo control unit to drive the servo motor to rotate, and along with the upward movement process of the floating roller, the rotation speed of the servo motor is increased along with the upward movement process of the floating roller until the feeding speed V generated by the rotation speedFeeding of materialsWith the drawing speed V of the steel strip drawing unitTraction apparatusMaintaining the rotational speed and the position of the dancer roll in unison, the radius of the reel decreasing as the steel strip is consumed, in order to maintain the feed speed VFeeding of materialsWith a traction speed VTraction apparatusSimilarly, the floating roller can gradually float upwards to increase the rotating speed of the servo motor to achieve the balance state, and the high-speed response characteristic of the servo system can exactly solve the problem; the system will depend on the traction speed VTraction apparatusAnd the speed self-adaptive change is made according to the change of the steel belt disc, and meanwhile, the tension of the strip material is kept constant in the feeding process.
Use stainless steel DN10 bellows shaping line pay-off as the example, adopt the utility model discloses equipment carries out the stainless steel strip pay-off, chooses for use the strip width to be 38mm, the wall thickness is 0.2mm, the initial diameter of tep reel is 1000 mm's 6-7 rolls up SUS304 stainless steel strip, and the feeding speed is 2.6 m/min.
1. Firstly, the steering frame is turned outwards by 90 degrees, 6-7 coils of SUS304 stainless steel strips with the weight of about 1.5 tons are placed on a feeding turntable by a forklift together with a tray, and the steering frame is reset;
2. cutting off oiled paper of the uppermost tape coil of the tape along the inner side of the tape coil, and drawing out the end part of the tape to sequentially pass through the rear roller surface of the steering roller, the upper roller surface of the inlet guide roller, the lower roller surface of the floating roller, the upper roller surface of the outlet guide roller and the tape guide leveling mechanism to enter the tape traction mechanism;
3. adjusting the vertical, horizontal and inclined angles of the three-dimensional adjusting unit to smoothly perform vertical-horizontal torsion on the strip, increasing the contact of the strip and the roll surface of the steering roll and enabling the strip to be positioned on a feeding central line;
4. adjusting the spacing between the flanges of the rollers to be 38-38.5 mm; adjusting the upper and lower gaps of the strip guide leveling unit to be preferably 0.21-0.22mm, and adjusting the guide bearing to be preferably in contact with the steel strip to rotate along with the steel strip;
5. adjusting the self-adaptive unit balancing weight by adopting one balancing weight of 2kg and taking the proper tension of the strip as a reference;
6. starting the self-adaptive feeding system and starting the strip traction mechanism of the forming production line to realize the feeding speed VFeeding of materialsTo match the strip drawing speed V of 2.6m/minTraction apparatus。
Summarizing, the thin steel strip constant tension self-adaptive feeder of the embodiment has the following advantages:
1. the corrugated pipe forming strip feeding is carried out by adopting a constant-tension self-adaptive process, the speed self-adaptive technology and the tension control technology are combined, the constant-speed control and the constant-tension control of the thin steel strip can be realized, the welding quality is effectively improved, compared with the traditional feeding process, the self-adaptive feeding adopts automatic speed matching, the problems of speed mismatching, strip tension inconstant, strip edge wrinkles and strip deformation are solved, and the corrugated pipe forming strip feeding device is high in efficiency, stable in feeding and constant in tension.
2. The single-disc loading capacity can reach more than 2 tons by adopting the frame and the rotating disc which are designed by a high-strength bearing structure, the rotating bracket and the three-dimensional adjusting mechanism only need to be rotated to one side during feeding, and the tray and 6-8 discs of steel belts can be integrally placed on the rotating disc by adopting a forklift from the tail end, so that the feeding and belt changing speeds are greatly improved.
3. The three-dimensional adjusting unit is relied on, the hand wheel is utilized to rotate the adjusting screw rod and the linear guide rail to drive the strip to move up and down and horizontally, the turning roll is matched to rotate the strip horizontally from the vertical direction, the inclination angle of the turning roll can be adjusted in the process to increase the joint degree of the strip and the roll surface, the adjusting mode is simple and convenient, online adjustment can be realized, and the labor intensity is reduced.
4. The speed self-adaptive unit is provided with two horizontal direction guide rollers and a horizontal direction floating roller according to the flow direction of the steel strip, the floating roller is connected with the tension counterweight mechanism and the magnetic suspension sensor, the floating mechanism slides up and down on the linear guide rail along with the sliding block, the self-adaptive speed is fed back to the motion controller in real time through the displacement sensor, the rotating speed of the turntable is controlled to match the traction speed, and the feeding precision and the speed self-adaptability are effectively improved; meanwhile, the aim of keeping tension constant in the feeding process can be achieved by increasing the balancing weight by utilizing the symmetry of the three rollers.
5. The servo motor and the speed reducing mechanism provide power for the system, the motion control unit ensures the accurate control of the whole system, and the leveling and stability of the discharged steel belt can be effectively ensured by the discharging port steel belt leveling guide mechanism. The device can be suitable for feeding strips with different thicknesses and different widths by adjusting the steering roller, the guide roller, the floating roller and the guide mechanism limiting device.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (9)
1. A thin steel strip constant tension self-adaptive feeder comprises a rotating unit (3) and a servo control unit, wherein the rotating unit (3) is installed on a horizontal rack (6) and is used for placing a coiled steel strip (4); the method is characterized in that: a three-dimensional adjusting unit (2) is installed on one side of the horizontal rack through a steering rack (1) fixedly connected with the horizontal rack, a speed self-adaptive unit (7) is arranged on the other side of the horizontal rack, and a steel strip guiding and leveling unit (8) is installed at the output end of the speed self-adaptive unit;
the three-dimensional adjusting unit (2) is composed of three-stage screw rod and nut mechanisms which are mutually vertical and stacked layer by layer, and a vertical steering roller is arranged at the top of the three-dimensional adjusting unit;
the rotating unit (3) comprises a rotating shaft (305) supported in the middle of the horizontal rack, and the lower end of the rotating shaft is in transmission connection with a servo power system (5) controlled by the servo control unit through a transmission mechanism; the upper end of the rotating shaft is provided with a tray (302) for placing a stacked coiled steel strip (4);
the speed self-adaptive unit (7) comprises a vertical frame, wherein a vertical guide rail (706) and a floating base (704) forming a vertical moving pair with the vertical guide rail are arranged on the inner side of the vertical frame, a tension balancing weight (711) and a floating roller (713) are arranged on the floating base, and an inlet guide roller (709) and an outlet guide roller (710) are respectively arranged on two sides of the vertical frame; a strip sensor (707) for monitoring the passing of the steel strip and a magnetic suspension displacement sensor (712) for detecting the floating roll are respectively arranged below the inlet guide roll and the outlet guide roll; the signal output ends of the strip sensor and the magnetic suspension displacement sensor are connected with the controlled end of the servo power system through a servo control unit;
the steel strip guiding and leveling unit (8) is mainly composed of an upper pressing plate (802) and a lower pressing plate (803) which are adjustable in distance and provided with inlet guiding chamfers, and guiding bearings (807) distributed at intervals are arranged on two sides of the upper pressing plate and two sides of the lower pressing plate respectively.
2. The thin steel strip constant tension adaptive feeder of claim 1, wherein: the three-dimensional adjusting unit (2) comprises a fixed base (209) fixedly connected with a steering rack, a vertical guide rod and a vertical screw rod are arranged on the fixed base, the vertical guide rod and a sliding seat form a vertical moving pair, the vertical screw rod and a nut on the sliding seat form a vertical screw pair, and an upper adjusting hand wheel (207) and a lower adjusting hand wheel are arranged at the upper end of the vertical screw rod and the nut on the sliding seat; the sliding seat is provided with a horizontal linear guide rail (203) and a transmission screw rod (201), the linear guide rail and a screw rod sliding block (202) form a horizontal moving pair, the transmission screw rod and a nut on the screw rod sliding block form a horizontal direction screw pair, and one end of the transmission screw rod and a nut on the screw rod sliding block are provided with a horizontal adjusting hand wheel (208); a steering roller (206) is arranged on the screw rod sliding block through an inclination angle adjusting structure (205), the inclination angle adjusting structure is composed of a horizontal screw pair vertical to the linear guide rail, an inclination angle adjusting hand wheel (204) is arranged at one end of a screw rod of the horizontal screw pair, and a vertical steering roller is arranged on the movable nut component; thereby constituting a three-dimensional adjustment mechanism of the turning roll.
3. The thin steel strip constant tension adaptive feeder of claim 1, wherein: the rotating unit (3) comprises a rotating shaft base (303) fixed in the middle of the horizontal rack and a rotating shaft (305) installed in the center of the base, and the lower end of the rotating shaft is fixedly connected with a large synchronous pulley (304) and is in transmission connection with a small synchronous pulley (307) driven by a speed reducer (308) through a synchronous belt (306) and a servo power system (5); the upper end of rotation axis links firmly with rotatory charging tray (301), be equipped with tray (302) that are used for placing pile-up formula coiled steel strip (4) on the rotatory charging tray.
4. The thin steel strip constant tension adaptive feeder of claim 1, wherein: the speed self-adaptive unit (7) comprises a vertical frame consisting of a unit frame (705) supported by a base (701) and a rib plate (702), wherein a vertical guide rail (706) and a floating base (704) forming a vertical moving pair with the vertical guide rail are arranged on the inner side of the vertical frame, a tension balancing weight (711) and a floating roller (713) are arranged on the floating base, and an inlet guide roller (709) through which a steel strip (708) passes when input and an outlet guide roller (710) through which the steel strip passes when output after winding the floating roller are respectively arranged on two sides of the vertical frame; the bottom end of the vertical guide rail is provided with a hydraulic buffer mechanism (703) which can prevent the rigid impact when the floating roller is lowered to the lower limit position; and a strip sensor (707) for monitoring the passing of the steel strip and a magnetic suspension displacement sensor (712) for detecting the floating roll are respectively arranged below the inlet guide roll and the outlet guide roll.
5. The thin steel strip constant tension adaptive feeder of claim 1, wherein: the bottom end of the vertical guide rail is provided with a hydraulic buffer mechanism (703); the hydraulic buffer mechanism (703) is composed of a bottom plate (7031) fixed with the unit frame, a supporting plate (7033) fixedly connected with the bottom plate through a connecting bolt (7032), and a hydraulic buffer (7035) fixed on the supporting plate through a locking nut (7034).
6. The constant tension adaptive feeder of any one of claims 1 to 5, wherein: the floating base (704) comprises a floating sliding block (7043) with a guide rail bayonet, a mandrel base (7041) fixedly connected with the floating sliding block through a base plate (7042), and a horizontal mandrel (7131) fixedly connected with the mandrel base.
7. The thin steel strip constant tension adaptive feeder of claim 6, wherein: the dancer roll (713) is formed by a roll drum (7133) looping over a horizontal mandrel (7131) with a tape stop (7132); the inlet guide roll (709) and the outlet guide roll respectively comprise a side base (7092) and an installation base (7094) which are fixedly connected with each other and installed in a guide groove of the unit rack (705) through connecting bolts (7091), the installation base supports and installs the mandrel (7093) through a mandrel locking screw (7096), the mandrel is sleeved with a guide roll body (7097), and two ends of the guide roll body are respectively provided with a strip retaining ring (7095) through locking screws (7098).
8. The thin steel strip constant tension adaptive feeder of claim 7, wherein: the base plate (7042) is fixedly connected with a counterweight single body (7112) through a counterweight base (7111), one end of the counterweight single body is provided with a connecting pin (7113) and the other end of the counterweight single body is provided with a jack matched with the connecting pin.
9. The thin steel strip constant tension adaptive feeder of claim 8, wherein: and the front part and the rear part of the upper pressing plate and the front part and the rear part of the lower pressing plate are embedded with felts (805).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822166737.7U CN209939986U (en) | 2018-12-21 | 2018-12-21 | Constant-tension self-adaptive thin steel strip feeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822166737.7U CN209939986U (en) | 2018-12-21 | 2018-12-21 | Constant-tension self-adaptive thin steel strip feeding machine |
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| Publication Number | Publication Date |
|---|---|
| CN209939986U true CN209939986U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822166737.7U Withdrawn - After Issue CN209939986U (en) | 2018-12-21 | 2018-12-21 | Constant-tension self-adaptive thin steel strip feeding machine |
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| Country | Link |
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| CN (1) | CN209939986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484889A (en) * | 2018-12-21 | 2019-03-19 | 航天晨光股份有限公司 | A kind of adaptive feeder of thin steel strip identical tension |
| CN112551240A (en) * | 2020-12-08 | 2021-03-26 | 湖南泰嘉新材料科技股份有限公司 | Guide roller, steel belt guide mechanism and material receiving system |
-
2018
- 2018-12-21 CN CN201822166737.7U patent/CN209939986U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484889A (en) * | 2018-12-21 | 2019-03-19 | 航天晨光股份有限公司 | A kind of adaptive feeder of thin steel strip identical tension |
| CN109484889B (en) * | 2018-12-21 | 2023-10-20 | 航天晨光股份有限公司 | Constant-tension self-adaptive feeder for thin steel strip |
| CN112551240A (en) * | 2020-12-08 | 2021-03-26 | 湖南泰嘉新材料科技股份有限公司 | Guide roller, steel belt guide mechanism and material receiving system |
| CN112551240B (en) * | 2020-12-08 | 2023-03-14 | 湖南泰嘉新材料科技股份有限公司 | Guide roller, steel belt guide mechanism and material receiving system |
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