CN115069944B

CN115069944B - Feeding device of six-axis bending machine and using method

Info

Publication number: CN115069944B
Application number: CN202210736752.9A
Authority: CN
Inventors: 程宗辉; 程诚; 刘释轩; 郭训忠; 陶杰; 李少鑫
Original assignee: Nanjing University of Aeronautics and Astronautics
Current assignee: Nanjing University of Aeronautics and Astronautics
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2023-03-14
Anticipated expiration: 2042-06-27
Also published as: CN115069944A

Abstract

The invention discloses a feeding device of a six-axis bending machine and a using method thereof, and relates to the technical field of metal wire bending, wherein a guide mechanism is arranged on the side surface of a driving base, a pay-off reel is arranged on the driving base and is rotationally connected with the pay-off reel, the pay-off reel comprises an annular tray, a guide base, a guide disc, a guide rod, a placing plate and a driving motor, the guide base, the guide disc and the placing plate are sequentially arranged in the annular tray from bottom to top, the guide base is fixed on the annular tray, the guide base is uniformly provided with guide rail grooves, the guide rail is provided with slide rails, the guide rod is fixed on the slide rails, the guide disc is uniformly provided with arc grooves, the guide rod penetrates through the arc grooves and is in sliding connection with the arc grooves, the edge of the guide disc is provided with a rack, the output shaft of the driving motor is provided with a driving gear, the driving gear is meshed with the rack, the placing plate is fixed on the annular tray, and the placing plate is correspondingly provided with a waist-shaped groove.

Description

Feeding device of six-axis bending machine and using method

Technical Field

The invention belongs to the technical field of metal wire bending, and particularly relates to a feeding device of a six-axis bending machine and a using method of the feeding device.

Background

In the process of processing metal wires, pipes and wires with different diameters are bent at different angles and in different directions, so that six bending machines are required to be used for processing the pipes and the wires. A large amount of wires are needed in the production process, but the wires are often purchased outside in bundles, the purchased wires are generally placed in a discharging mechanism when being used, and the wires are sent to a station of the next process, but the existing discharging mechanism has the following problems when being discharged: firstly, because the coils are messy, the coils are easy to block, the paying-off speed of the wire is influenced, and manual re-arrangement is needed;

secondly, because the size of each bundle of wires produced by a wire manufacturer is uncertain, the diameters of coils of the wires with different parameters are generally different after the wires are bundled into a bundle, and therefore discharging mechanisms with different specifications are required to discharge materials, but material trays are frequently replaced, and the working efficiency is greatly reduced.

Therefore, how to provide a six-axis bending machine feeding device which is simple in structure and can adapt to wires of different specifications becomes a problem to be solved by the technical personnel in the field.

Disclosure of Invention

In view of the above, the invention provides a feeding device for a six-axis bending machine, which is simple in structure, can facilitate stacking of metal coils with different diameters, can avoid blockage in the material conveying process, and improves the working efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme: including drive base, guiding mechanism and drawing drum, guiding mechanism sets up the side at drive base, the drawing drum sets up on drive base, drive base and drawing drum rotate to be connected, the drawing drum includes annular tray, direction base, positioning disk, guide arm, places board and driving motor, supreme direction base, the positioning disk and the board of placing of having set gradually down in the annular tray, the direction base is fixed on annular tray, the direction base evenly is provided with the guide rail groove, be provided with the slide rail in the guide rail groove, the guide arm is fixed on the slide rail, the positioning disk evenly is provided with the arc wall, the guide arm runs through the arc wall, guide arm and arc wall sliding connection, the edge of positioning disk is provided with the rack, driving motor sets up on annular tray, install drive gear on driving motor's the output shaft, drive gear and rack toothing are connected, place the board and fix on annular tray, it is provided with the kidney slot to place to correspond on the board.

Further, the drive base includes base frame, three motors, drive turbine, worm and apron, the worm sets up the center at the base frame, the worm rotates with the base frame to be connected, three motors set up the bottom at the base frame, be provided with the drive turbine on the output shaft of three motors, the drive turbine is connected with the worm meshing, the top of base frame is provided with the apron, the worm runs through the apron and with annular tray pin junction.

Further, guiding mechanism includes fixing base, guide bar and wire device, the fixing base sets up on the pedestal frame, the guide bar sets up on the fixing base, the wire device sets up on the guide bar, the wire device is provided with and runs through the wire guide, be provided with first leading wheel, second leading wheel, first concave template, gag lever post and compression spring in the wire device, the second leading wheel sets up the oblique top at first leading wheel, the second leading wheel rotates with the guider and is connected, first concave template sets up the both sides at the second leading wheel, the second leading wheel rotates with first concave template and is connected, the top of first concave template is provided with the gag lever post, the one end and the first concave template fixed connection of gag lever post, the other end of gag lever post runs through the guider and installs adjusting nut, the cover is equipped with compression spring on the gag lever post, compression spring sets up between first concave template and guiding device, compression spring and gag lever post sliding connection, gag lever post and guiding device sliding connection.

Further, still include fastening device, fastening device includes anchorage bar, fastening spring and baffle, the anchorage bar runs through drawing drum and worm fixed connection, the baffle sets up on the top of anchorage bar, fastening spring sets up at the baffle and places between the board, the fastening spring suit is on the anchorage bar, fastening spring and anchorage bar sliding connection.

Further, the annular tray supporting device further comprises a supporting mechanism, the supporting mechanism is arranged on the cover plate, one end of the supporting mechanism is connected with the cover plate through a bolt, and the other end of the supporting mechanism is rotatably connected with the annular tray.

Further, supporting mechanism includes mount pad, gyro wheel, the concave template of second, the gyro wheel sets up on the concave template of second, the concave template of second and mount pad sliding connection, the bottom of the concave template of second is provided with the screw rod, the screw rod runs through the mount pad and rotates with the mount pad to be connected, the inboard of screw rod is provided with the tight spring in top, the outside of screw rod is provided with lock nut.

Furthermore, a conductive slip ring is sleeved on the worm and electrically connected with the driving motor, so that winding of the driving motor is avoided.

Further, still including supporting the lower margin, support the lower margin setting in the corner of base frame bottom.

Further, still include the support bar, the support bar sets up on placing the board, the support bar with place board fixed connection.

A guide rod is adjusted to the inner side of a kidney-shaped groove through a driving motor, bundled wires are placed on a pay-off reel through hoisting, after the placement is completed, the driving motor is started, the guide rod is propped open towards the outer side, a wire coil is in a tensioning state, the head ends of the wires sequentially penetrate through a guide device and are transmitted to a six-axis bending machine, and in the feeding process, three motors are started to drive the pay-off reel to feed materials in a rotating mode.

The invention has the beneficial effects that:

1. the wire coil tensioning device is simple in structure, the position of the guide rod can be adjusted through the driving motor due to the arrangement of the pay-off reel, the wire coil tensioning device is suitable for wire coils with different specifications, the placement and tensioning of the wire coils can be facilitated, the wire coils can be kept in a tensioning state constantly, and disorder in the wire conveying process is avoided;

2. the arrangement of the fastening mechanism can ensure that certain buffering exists at the driving connection part of the pay-off reel and the driving base, so that hard connection is avoided, the service life of the feeding mechanism is prolonged, and effective power transmission can be kept;

3. due to the arrangement of the supporting mechanism, the pay-off reel can be well supported and leveled, and the pay-off reel is prevented from being deformed and damaged due to uneven stress;

4. the guide device can keep a certain tension when the wire is conveyed and can adapt to the conveying of the wire with different section sizes.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural view of a pay-off reel of the present invention;

FIG. 4 is a schematic view of the structure of the placement board of the present invention;

FIG. 5 is a schematic view of a pilot panel of the present invention;

FIG. 6 is a schematic view of a guide base structure according to the present invention;

FIG. 7 is a schematic view of the structure of the guide device of the present invention;

FIG. 8 is a schematic view of the installation of three motors according to the present invention;

FIG. 9 is a schematic structural view of a support mechanism according to the present invention;

FIG. 10 is a cross-sectional view of the support mechanism of the present invention;

FIG. 11 is a schematic view of a wire guiding device according to the present invention;

fig. 12 is a schematic view of the position of the first guide wheel and the second guide wheel of the present invention.

Wherein, 1-an annular tray; 2-a guide base; 3-a guiding disc; 4-a guide rod; 5, placing a plate; 6-guide rail groove; 7-a slide rail; 8-an arc-shaped groove; 9-driving a motor; 10-kidney-shaped groove; 11-a base frame; 12-three phase motor; 13-a cover plate; 14-a fixed seat; 15-a guide bar; 16-a first guide wheel; 17-a second guide wheel; 18-a first concave plate; 19-a limiting rod; 20-a compression spring; 21-an adjusting nut; 22-a fastening rod; 23-a fastening spring; 24-a baffle; 25-a mounting seat; 26-a roller; 27-a second concave plate; 28-screw rod; 29-a puller spring; 30-a lock nut; 31-supporting ground feet; 32-support strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "horizontal", "inner", "outer", "one side", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-12, the invention discloses a feeding device for a six-axis bending machine, which comprises a driving base, a guiding mechanism and a pay-off reel, wherein the guiding mechanism is arranged on the side surface of the driving base, the pay-off reel is arranged on the driving base, and the driving base is rotatably connected with the pay-off reel.

Pay off reel includes annular tray 1, direction base 2, direction tray 3, guide arm 4, place board 5 and driving motor 9, annular tray 1 is inside from supreme direction base 2 that has set gradually down, direction tray 3 and place board 5, direction base 2 passes through the bolt fastening on annular tray 1, the upper surface of direction base 2 evenly is provided with guide rail groove 6, be provided with slide rail 7 in the guide rail groove 6, guide arm 4 is fixed on slide rail 7, direction tray 3 evenly is provided with arc wall 8, guide arm 4 runs through arc wall 8 and installs the bearing in arc wall 8 department, the convenient arc wall 8 through direction tray 3 adjusts the position of guide arm 4, the edge of direction tray 3 is provided with the rack, driving motor 9 sets up the one side at annular tray, install drive gear on driving motor 9's the output shaft, drive gear and rack meshing are connected, place board 5 and fix on annular tray 1, it is provided with kidney slot 10 to place the correspondence on board 5, the rotation of guide rail 3 is driven through driving motor 9, can control guide arm 4 and remove in kidney slot 10, still be provided with kidney slot 32 between the steel pipe in this embodiment, steel pipe 32 can provide the support bar for the wire rod and the convenient wire rod of the support and carry out the welding and place the wire rod for the wire rod.

The driving base comprises a base frame 11, three motors 12, a driving turbine, a worm and a cover plate 13, the worm is arranged at the center of the base frame 11 and is rotatably connected with the base frame 11, the three motors 12 are arranged at the bottom end of the base frame 11, the driving turbine is arranged on an output shaft of the three motors 12 and is meshed with the worm, a conductive sliding ring is sleeved above the worm and is electrically connected with the driving motor 9, the winding of the driving motor 9 is avoided, the cover plate 13 is arranged above the base frame 11, the worm penetrates through the cover plate 13 and is in pin connection with the annular tray 1, the bottom end of the base frame 11 is further provided with a supporting ground foot 31, and the supporting ground foot 31 is arranged at the corner of the bottom end of the base frame 11 and used for supporting and leveling.

The top of placing the board of this embodiment still is provided with fastening device, fastening device includes anchorage bar 22, fastening spring 23 and baffle 24, anchorage bar 22 runs through the worm fixed connection in drawing drum and the drive base, baffle 24 sets up the top at anchorage bar 22, fastening spring 23 sets up at baffle 24 and places between the board 5, fastening spring 23 suit is on anchorage bar 22, fastening spring 23 and anchorage bar 22 sliding connection, through fastening device, can make drawing drum and drive base have certain buffering, make drawing drum and drive base's transmission junction protected, guarantee effectual power transmission.

Be provided with supporting mechanism on apron 13, the one end of supporting mechanism is passed through the bolt fastening on apron 13, the other end and the annular tray 1 of supporting mechanism rotate to be connected, supporting mechanism includes mount pad 25, gyro wheel 26, second concave plate 27, gyro wheel 26 is installed on second concave plate 27 through the pivot, second concave plate 27 and mount pad 25 sliding connection, the bottom of second concave plate 27 is provided with screw rod 28, screw rod 28 runs through mount pad 25 and is connected with mount pad 25 rotation, the inboard of screw rod 28 is provided with top tension spring 29, the outside of screw rod 28 is provided with lock nut 30, can adjust the position of gyro wheel 26 through twisting lock nut 30, supporting mechanism has played the effect of leveling and lift, avoid the drawing drum atress to lead to out of shape flagging, and then lead to unable effective pay-off.

The guide mechanism is arranged on the base frame 11, the guide mechanism comprises a fixed seat 14, a guide rod 15 and a wire guide device, the fixed seat 14 is fixed at the corner of the side surface of the base frame 11 through a bolt, the guide rod 15 is arranged on the fixed seat 14 and is sequentially arranged along the feeding direction in an increasing way, the wire guide device is provided with a clamping groove, the guide device is fixed on the guide rod 15 through a bolt, the clamping groove is arranged to facilitate the adjustment of the position and the direction of the guide device, the wire guide device is provided with a through wire hole, a first guide wheel 16, a second guide wheel 17, a first concave plate 18, a limiting rod 19 and a compression spring 20 are arranged in the wire guide device, the first guide wheel 16 is arranged above the second guide wheel 17 in an oblique direction, the first guide wheel 16 and the second guide wheel 17 are arranged on a vertical plane, the horizontal conveying of wire rods is guaranteed, the second guide wheel 17 is rotatably connected with the guide device, the first concave plate 18 is arranged on two sides of the second guide wheel 17, the second guide wheel 17 is rotatably connected with the first concave plate 18, the limiting rod 19 is arranged above the first concave plate 18, one end of the limiting rod 19 is fixedly connected with the first concave plate 18, the other end of the limiting rod 19 penetrates through the guide device and is provided with the adjusting nut 21, the limiting rod 19 is sleeved with the compression spring 20, the compression spring 20 is arranged between the first concave plate 18 and the guide device, the compression spring 20 is slidably connected with the limiting rod 19, the limiting rod 19 is slidably connected with the guide device, the size of the tension force of the second guide wheel 17 to the wire rods can be adjusted by adjusting the limiting rod 19, the wire rods can be kept in a tensioning state, and the feeding efficiency is improved.

The using method of the wire winding machine comprises the steps that the guide rod 4 is adjusted to the inner side of the kidney-shaped groove 10 through the driving motor 9, a bundle of wires are placed on the pay-off reel through hoisting, after the placement is completed, the driving motor 9 is started, the guide rod 4 is unfolded outwards, a wire coil is in a tensioning state, the head ends of the wires sequentially penetrate through the guide device and are transmitted to the six-axis bending machine, and in the feeding process, the three motors 12 are started to drive the pay-off reel to feed materials in a rotating mode.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides a six bender material feeding unit which characterized in that: the pay-off reel comprises a driving base, a guiding mechanism and a pay-off reel, wherein the guiding mechanism is arranged on the side face of the driving base, the pay-off reel is arranged on the driving base, the driving base is rotatably connected with the pay-off reel, the pay-off reel comprises an annular tray, a guiding base, a guiding disc, a guide rod, a placing plate and a driving motor, the guiding base, the guiding disc and the placing plate are sequentially arranged in the annular tray from bottom to top, the guiding base is fixed on the annular tray, guide rail grooves are uniformly formed in the guiding base, slide rails are arranged in the guide rail grooves, the guide rod is fixed on the slide rails, the guiding disc is uniformly provided with arc-shaped grooves, the guide rod penetrates through the arc-shaped grooves and is slidably connected with the arc-shaped grooves, racks are arranged at the edges of the guiding disc, the driving motor is arranged on the annular tray, a driving gear is arranged on an output shaft of the driving motor, the driving gear is meshed with the racks and connected with the placing plate, and the placing plate is fixed on the annular tray and is correspondingly provided with a waist-shaped groove;

the driving base comprises a base frame, three motors, a driving worm wheel, a worm and a cover plate, the worm is arranged in the center of the base frame and is rotationally connected with the base frame, the three motors are arranged at the bottom end of the base frame, the driving worm wheel is arranged on an output shaft of each motor and is meshed with the worm, the cover plate is arranged above the base frame, and the worm penetrates through the cover plate and is connected with the annular tray through a pin;

the worm is sleeved with a conductive slip ring which is electrically connected with the driving motor, so that the winding of the driving motor is avoided;

the worm gear fixing device is characterized by further comprising a fastening mechanism, wherein the fastening mechanism comprises a fastening rod, a fastening spring and a baffle plate, the fastening rod penetrates through the pay-off reel and is fixedly connected with the worm, the baffle plate is arranged at the top end of the fastening rod, the fastening spring is arranged between the baffle plate and the placing plate, the fastening spring is sleeved on the fastening rod, and the fastening spring is in sliding connection with the fastening rod;

the supporting mechanism is arranged on the cover plate, one end of the supporting mechanism is connected with the cover plate through a bolt, and the other end of the supporting mechanism is rotatably connected with the annular tray;

the supporting mechanism comprises a mounting seat, an idler wheel and a second concave plate, the idler wheel is arranged on the second concave plate, the second concave plate is connected with the mounting seat in a sliding mode, a screw rod is arranged at the bottom end of the second concave plate, the screw rod penetrates through the mounting seat and is connected with the mounting seat in a rotating mode, a jacking spring is arranged on the inner side of the screw rod, and a locking nut is arranged on the outer side of the screw rod.

2. The feeding device for the six-axis bending machine according to claim 1, wherein the guide mechanism comprises a fixing seat, a guide rod and a wire device, the fixing seat is arranged on a base frame, the guide rod is arranged on the fixing seat, the wire device is arranged on the guide rod, a through wire hole is formed in the wire device, a first guide wheel, a second guide wheel, a first concave plate, a limiting rod and a compression spring are arranged in the wire device, the second guide wheel is arranged obliquely above the first guide wheel, the first concave plate is arranged on two sides of the second guide wheel, the second guide wheel is rotatably connected with the first concave plate, the limiting rod is arranged above the first concave plate, one end of the limiting rod is fixedly connected with the first concave plate, the other end of the limiting rod penetrates through the wire device and is provided with an adjusting nut, the limiting rod is sleeved with the compression spring, the compression spring is arranged between the first concave plate and the wire device, the compression spring is slidably connected with the limiting rod, and the limiting rod is slidably connected with the wire device.

3. The feeding device for the six-axis bending machine according to claim 1, characterized by further comprising supporting feet, wherein the supporting feet are arranged at corners of the bottom end of the base frame.

4. The feeding device for the six-axis bending machine according to claim 1, further comprising a supporting strip, wherein the supporting strip is arranged on the placing plate, and the supporting strip is fixedly connected with the placing plate.

5. The use method of the feeding device of the six-axis bending machine according to any one of claims 1 to 4 is characterized in that the guide rods are adjusted to the inner side of the kidney-shaped groove through the driving motor, the bundled wires are placed on the pay-off reel through hoisting, after the placement is completed, the driving motor is started to stretch the guide rods outwards to enable wire coils to be in a tensioning state, the head ends of the wires sequentially penetrate through the wire guiding device and are transmitted to the six-axis bending machine, and in the feeding process, the three motors are started to drive the pay-off reel to feed materials in a rotating mode.