CN218425306U

CN218425306U - Automatic bending machine

Info

Publication number: CN218425306U
Application number: CN202222880389.6U
Authority: CN
Inventors: 谢进宝; 杨天灿; 赵文博; 刘宏杰; 孟宇祺
Original assignee: Gongyi Hengxing Metalware Co ltd
Current assignee: Gongyi Hengxing Metalware Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-02-03
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a steel wire production facility technical field, concretely relates to automatic bending machine. The device comprises a control console, wherein U-shaped supports are symmetrically arranged on the control console, guide rods are symmetrically arranged between the two U-shaped supports, and buffer springs are sleeved on the two guide rods; the two guide rods are connected with a transmission shell in a sliding mode, the front side of the transmission shell is fixedly provided with an installation plate, the installation plate is provided with a bending mechanism, and the bending mechanism comprises an upper pressing plate assembly and a lower pressing plate assembly; the transmission shell is internally provided with a driving mechanism and two rotating mechanisms, the driving mechanism is in transmission connection with the rotating mechanisms, and the two rotating mechanisms are respectively in transmission connection with the upper pressing plate assembly and the lower pressing plate assembly. The utility model discloses need not the manual work and bend the processing to the steel wire, accomplish the processing of bending to the steel wire promptly at the in-process of steel wire production transmission, labour saving and time saving has improved production efficiency, has alleviateed staff's intensity of labour.

Description

Automatic bending machine

Technical Field

The utility model relates to a steel wire production facility technical field, concretely relates to automatic bending machine.

Background

The steel wire production process flow comprises the steps of raw material selection, iron oxide scale removal, drying, coating treatment, heat treatment, wire drawing, coating treatment, wire winding and packaging, finished product inspection and warehousing and the like, wherein in the wire winding and packaging process, steel wires subjected to coating treatment are wound on a spool through a steel wire winding device, the lengths of steel wire coils wound on the spools are usually the same, in the prior art, after the steel wires are drawn, after the produced steel wires reach the specified length, production equipment is stopped before the steel wires are coated, the steel wires are manually bent to form a mark, and the steel wires are cut at the bent part after the steel wire coating treatment so as to ensure that the lengths of the steel wire coils wound on the spool are the same. However, the steel wire bending machine needs to shut down steel wire production equipment manually, cannot continue to work while bending the steel wire, needs to restart the steel wire production equipment after the steel wire bending treatment is completed, wastes time and labor, has lower production efficiency and has high labor intensity of workers.

Chinese utility model patent with publication number CN211100951U discloses a bending machine, and this bending machine has solved artifical bending reinforcing bar or the problem that the billet is wasted time and energy, can change the pressure head and the buckling that the briquetting of different shapes can process multiple special shape as required, and the machining precision is high moreover, compares in artifical bending labour saving and time saving, has improved production efficiency. However, the bending machine cannot bend the steel wire while producing and conveying the steel wire, the bending machine still needs manual operation to complete the bending of the steel wire, and the bending machine cannot automatically bend the steel wire rope.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that current bender can't bend the steel wire when steel wire production transmission, provide an automatic bender, should bend the machine and need not manual operation, can realize bending the steel wire is automatic at the in-process of steel wire production transmission, labour saving and time saving has alleviateed staff's intensity of labour.

In order to realize the purpose, the technical scheme of the utility model is that: an automatic bending machine comprises a console, wherein U-shaped supports are symmetrically arranged on the console, a guide rod is arranged between the two U-shaped supports, and a buffer spring is sleeved on the guide rod; the guide rod is connected with a transmission shell in a sliding mode, an installation plate is fixedly arranged on the front side of the transmission shell, a bending mechanism is arranged on the installation plate, and the bending mechanism comprises an upper pressing plate assembly and a lower pressing plate assembly; the transmission shell is internally provided with a driving mechanism and two rotating mechanisms, the driving mechanism is in transmission connection with the rotating mechanisms, and the two rotating mechanisms are respectively in transmission connection with the upper pressing plate assembly and the lower pressing plate assembly; the steel wire bending machine is characterized in that a speed reducer is fixedly arranged on a rear side plate of the transmission shell, a rotating shaft of the speed reducer penetrates through the speed reducer to be connected with a rotary plate, an opening is formed in the edge of the rotary plate, an L-shaped plate is arranged on the speed reducer, a photoelectric switch right facing the opening is arranged on the L-shaped plate, the bending mechanism achieves bending processing of a steel wire through opening and closing of an upper pressing plate assembly and a lower pressing plate assembly, a PLC controller is arranged inside the control console and connected with the photoelectric switch, and the PLC controller is further connected with a meter counter of the wire drawing machine.

Furthermore, two equal symmetry is provided with the connecting axle in the U-shaped support, two the cover is equipped with the riser on the connecting axle, the both ends tip of guide bar all with riser lateral wall fixed connection, the connecting axle is used for installing the riser to fix the both ends of guide bar.

Furthermore, a fixing plate is sleeved at one end, close to the transmission shell, of the guide rod, and a limiting plate is fixedly arranged on one side, close to the fixing plate, of the transmission shell; one of them one side of riser is fixed and is equipped with spacing subassembly, spacing subassembly include with riser fixed connection dead lever, the one end of dead lever is passed the fixed plate and is connected with the connecting rod, the end fixing of connecting rod is provided with the rubber head, and spacing subassembly plays spacing effect to the transmission casing.

Furthermore, a guide block is fixedly arranged on a rear side plate of the transmission shell, and the guide block is sleeved on the guide rod and is in sliding connection with the guide rod; one side of transmission casing is provided with the L-shaped piece, and the bottom symmetry of L-shaped piece is equipped with the bracing piece, two all the cover is equipped with the pressure spring on the bracing piece, and bottom fixedly connected with mount pad, be equipped with in the mount pad and rotate the spacing wheel of being connected with the mount pad, spacing wheel is located the top of production transmission steel wire, plays spacing effect to the steel wire.

Further, actuating mechanism includes the pivot of two first bearings and speed reducer, all offer the mounting groove that is used for installing the first bearing on the posterior lateral plate of transmission casing and the mounting panel, two the equal fixed mounting of first bearing is in the mounting groove, the pivot of speed reducer stretch into in the transmission casing, and with two first bearing interference fit, fixed cover is equipped with the driving gear in the pivot of speed reducer.

Furthermore, the two rotating mechanisms respectively comprise two second bearings, a transmission shaft and a driven gear, placing grooves for mounting the second bearings are formed in the rear side plate and the mounting plate of the transmission shell, the two second bearings are fixedly mounted in the placing grooves, one end of the transmission shaft is in interference fit with the second bearings, and the other end of the transmission shaft is fixedly connected with the second bearings; the driven gear fixing sleeve is sleeved on the transmission shaft and is in meshed connection with the driving gear, the rotating shaft of the speed reducer drives the driving gear to rotate, and then the driving gear is meshed with the driven gear to drive the two rotating mechanisms to rotate, so that the two rotating mechanisms respectively drive the first eccentric wheel and the second eccentric wheel to rotate under the action of the second bearing.

Further, strip-shaped plates are symmetrically arranged on the outer sides of the mounting plates, and sliding rails are arranged on the two strip-shaped plates; the upper pressing plate assembly and the lower pressing plate assembly respectively comprise sliding plates, sliding blocks matched with the sliding rails are symmetrically arranged on one sides, close to the mounting plates, of the sliding plates, the sliding blocks are connected with the sliding rails in a sliding mode, and fixing bolts are further arranged at one ends of the sliding plates.

Furthermore, the upper pressure plate assembly further comprises a second eccentric wheel, an upper pressure plate and a fisheye bearing, wherein the central shaft of the second eccentric wheel is in interference fit with the second bearing, the upper pressure plate is fixedly arranged on the outer side of the sliding plate, one end of the fisheye bearing is rotatably connected with the fixing bolt, and the other end of the fisheye bearing is rotatably connected with an eccentric shaft of the second eccentric wheel; the lower pressing plate component further comprises a first eccentric wheel, a lower pressing plate and a fisheye bearing, wherein the center shaft of the first eccentric wheel is in interference fit with a second bearing, the lower pressing plate is fixedly arranged on the outer side of the sliding plate, one end of the fisheye bearing is rotatably connected with the fixing bolt, the other end of the fisheye bearing is rotatably connected with an eccentric shaft of the first eccentric wheel, and when the first eccentric wheel and the second eccentric wheel rotate, the fisheye bearing and the fixing bolt act so that the first eccentric wheel drives the lower pressing plate to move upwards through the sliding plate, and the second eccentric wheel drives the upper pressing plate to move downwards through the sliding plate.

Furthermore, a T-shaped plate is arranged on one side of the U-shaped support close to the bending mechanism, lower pulleys are symmetrically arranged on the outer side of the T-shaped plate, an adjusting block is arranged on the inner side of the T-shaped plate, adjusting bolts are symmetrically arranged at two ends of the adjusting block, fixing blocks are fixedly arranged at the bottoms of the two adjusting bolts, upper pulleys are symmetrically arranged on the outer side of the fixing blocks, and the upper pulleys are located right above the lower pulleys; and one side of the U-shaped support far away from the bending mechanism is provided with a guide wheel, and the steel wire subjected to wire drawing treatment passes through the space between the upper pulley and the lower pulley so as to ensure that the steel wire subjected to wire drawing treatment passes through the space between the upper pressing plate and the lower pressing plate.

Furthermore, a connecting piece is fixedly arranged at the top of the transmission shell, rails are fixedly arranged at the tops of the two vertical plates, the cross sections of the rails are of U-shaped structures, a conveying belt is arranged in the rails, and one end of the conveying belt is connected with the connecting piece; the track both ends bottom all is equipped with the proximity switch subassembly, the proximity switch subassembly include with track fixed connection's bottom plate, the tip of bottom plate is provided with the extension board, the one end that the bottom plate was kept away from to the extension board is provided with proximity switch, and wherein the proximity switch subassembly plays the effect of protection to the transmission casing, and the steel wire that prevents to bend the processing drives the transmission casing always and slides on the guide bar.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses a meter rice ware of wire drawing machine calculates the length of transmission steel wire, when reaching the setting value, work through PLC controller control speed reducer, rotate with two slewing mechanism of drive through actuating mechanism, thereby make first eccentric wheel and second eccentric wheel rotate respectively, and then drive top board downstream, lower clamp plate upward movement, closed realization through top board and lower clamp plate is curved to the automation of steel wire, it handles to need not the manual work to bend the steel wire, accomplish the processing of bending to the steel wire promptly at the in-process of steel wire production transmission, time saving and labor saving, the production efficiency is improved, staff's intensity of labour has been alleviateed.

In the bending process of the steel wire, the upper pressing plate and the lower pressing plate are closed, and the steel wire drives the transmission shell and the bending mechanism to slide on the guide rod, so that the buffer spring is compressed; after the upper pressing plate and the lower pressing plate are opened, the buffer spring enables the transmission shell and the bending mechanism to slide on the guide rod towards opposite directions, so that the transmission shell is restored to an initial position, and the limiting assembly plays a limiting role in the transmission shell.

Drawings

Fig. 1 is a schematic structural diagram of an automatic bending machine according to the present invention;

fig. 2 is a schematic structural view of an automatic bending machine of the present invention;

fig. 3 is a third schematic structural view of an automatic bending machine of the present invention;

fig. 4 is a schematic structural view of an automatic bending machine according to the present invention;

fig. 5 is a schematic structural diagram of the mounting plate of the present invention;

FIG. 6 is a schematic view of the slide board of the present invention;

fig. 7 is a schematic structural view of the transmission housing of the present invention;

fig. 8 is a schematic structural view of the upper platen of the present invention;

fig. 9 is a schematic structural view of the lower pressing plate of the present invention;

FIG. 10 is an enlarged view at A in FIG. 1;

fig. 11 is an enlarged view at B in fig. 2.

The reference numbers in the drawings are as follows: the device comprises a console, a U-shaped support, a connecting shaft 201, a vertical plate 3, a guide rod 4, a buffer spring 401, a fixing plate 5, a track 6, a conveyor belt 601, a mounting plate 7, a transmission housing 8, a limiting plate 801, a strip-shaped plate 9, a sliding plate 10, a sliding block 1001, a lower pressing plate 11, an upper pressing plate 12, a speed reducer 13, a guide block 14, an L-shaped plate 15, a photoelectric switch 16, a rotating disc 17, a notch 18, an L-shaped block 19, a support rod 1901, a mounting base 1902, a limiting wheel 1903, a sliding rail 20, a first eccentric wheel 21, a second eccentric wheel 22, a fisheye bearing 23, a connecting piece 24, a guide wheel 25, a fixing rod 26, a connecting rod 27, a rubber head 28, a T-shaped plate 29, a fixing block 30, an adjusting block 31, an adjusting bolt 3101, an upper pulley 32, a lower pulley 33, a proximity switch 34, a proximity switch 3401, an extending plate 3402, an extending plate 35, a driving gear 36, a driven gear 39 and a driven gear 39.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and detailed description:

as shown in fig. 1 to 11, an automatic bending machine comprises a console 1, a PLC controller is installed in the console 1, U-shaped brackets 2 are symmetrically arranged on the console 1, two guide rods 4 are arranged between the two U-shaped brackets 2, the two guide rods 4 are horizontally arranged and parallel to each other, and a buffer spring 401 is sleeved on each of the two guide rods 4; the guide rod 4 is connected with a transmission shell 8 in a sliding mode, the interior of the transmission shell 8 is of a hollow structure, a mounting plate 7 is fixedly arranged on the front side of the transmission shell 8, a bending mechanism is arranged on the mounting plate 7, and the bending mechanism comprises an upper pressing plate assembly and a lower pressing plate assembly; the driving mechanism and the two rotating mechanisms are arranged in the transmission shell, the driving mechanism is in transmission connection with the rotating mechanisms, and the two rotating mechanisms are respectively in transmission connection with the upper pressing plate assembly and the lower pressing plate assembly; a speed reducer 13 is fixedly arranged on the rear side plate of the transmission shell 8, one end of a rotating shaft of the speed reducer 13 penetrates through the speed reducer to be connected with a circular rotary table 17, an opening 18 is formed in the edge of the rotary table 17, an L-shaped plate 15 is arranged on the speed reducer 13, a photoelectric switch 16 right opposite to the opening 18 is arranged on the L-shaped plate 15, the photoelectric switch 16 is connected with a PLC (programmable logic controller) in the control console 1, the PLC is further connected with a meter counter of the wire drawing machine and the speed reducer 13, a set value for detecting the length of a steel wire by the meter counter is set according to the length of the steel wire needing to be wound on the spool, when the meter counter reaches the set value, a signal is fed back to the PLC, the PLC controls the speed reducer 13 to be started, so that a driving mechanism drives the two rotating mechanisms to rotate, the closing between the upper pressing plate assembly and the lower pressing plate assembly is realized, and the automatic bending processing of the steel wire is realized; when the gap 18 of the turntable 17 rotates to the photoelectric switch 16 again, the photoelectric switch 16 transmits a signal to the PLC, and the PLC controls the speed reducer 13 to stop, so that the automatic bending processing of the steel wire by the device is completed.

Two equal symmetry is provided with connecting axle 201 in the U-shaped support 2, and connecting axle 201 passes through bolt and the 2 rigid couplings of U-shaped support, two fixed cover is equipped with riser 3 on the connecting axle 201, and riser 3 plays the fixed effect of support to guide bar 4, two the both ends tip of guide bar 4 all with the lateral wall fixed connection of riser 3, install riser 3 on the connecting axle 201 to be convenient for fix the both ends of two guide bars 4.

A fixing plate 5 is sleeved at one end, close to the transmission shell 8, of the guide rod 4, and a limiting plate 801 is fixedly arranged at one side, close to the fixing plate 5, of the transmission shell 8; one of them the fixed spacing subassembly that is equipped with in one side of riser 3, the quantity of spacing subassembly is two in this embodiment, spacing subassembly include with riser 3 fixed connection dead lever 26, the one end of dead lever 26 is passed fixed plate 5 and is connected with connecting rod 27, and wherein connecting rod 27 passes through bolt and fixed plate 5 rigid coupling, connecting rod 27 and dead lever 26 fixed connection, the end fixing of connecting rod 27 is provided with rubber head 28, and rubber head 28 just contacts limiting plate 801 and limiting plate 801, and spacing subassembly plays spacing effect to transmission housing 8, and when transmission housing 8 resumes initial position at buffer spring 401's effect, spacing subassembly plays the effect that blocks to transmission housing 8 under limiting plate 801's effect.

A guide block 14 is fixedly arranged on the rear side plate of the transmission housing 8, two guide blocks 14 are fixedly arranged on the rear side plate of the transmission housing 8 in the embodiment, each guide block 14 is provided with a through hole matched with the guide rod 4, the guide blocks 14 are sleeved on the guide rods 4 through the through holes and are in sliding connection with the guide rods 4, the transmission housing 8 can be driven to slide on the guide rods 4 through the guide blocks 14, and then the speed reducer 13 and the bending mechanism on the mounting plate 7 are driven to move; one side of transmission casing 8 is provided with L-shaped piece 19, and L-shaped piece 19 is connected with transmission casing 8 through the bolt, and the bottom symmetry of L-shaped piece 19 is equipped with bracing piece 1901, two all the cover is equipped with the pressure spring on the bracing piece 1901, and bottom fixedly connected with mount pad 1902, and the cross-section of mount pad 1902 is "U" font structure of falling, be equipped with in the mount pad 1902 and rotate the spacing wheel 1903 of being connected with mount pad 1902, spacing wheel 1903 includes rotates the spacing pivot of being connected with mount pad 1902 both sides, and at the in-process of steel wire transmission, spacing wheel 1903 is located the top of steel wire, plays spacing effect to the steel wire.

Actuating mechanism includes the pivot of two first bearings 36 and speed reducer 13, all offer the mounting groove that is used for installing first bearing 36 on the posterior lateral plate of transmission casing 8 and mounting panel 7, two mounting groove symmetries are seted up, two the equal fixed mounting of first bearing 36 is in the mounting groove, speed reducer 13's pivot stretch into in transmission casing 8, and with two first bearing 36 interference fit, fixed cover is equipped with driving gear 35 in the pivot of speed reducer 23, and speed reducer 23 starts, and speed reducer 23's pivot drives driving gear 35 and carousel 17 and rotates.

The two rotating mechanisms respectively comprise two second bearings 39, a transmission shaft 38 and a driven gear 37, wherein the two rotating mechanisms are respectively positioned right above and right below the driving mechanism, placing grooves for mounting the second bearings 39 are respectively formed in the rear side plate of the transmission shell 8 and the mounting plate 7, the two second bearings 39 are fixedly mounted in the placing grooves, one end of the transmission shaft 38 is in interference fit with one of the second bearings 39, and the other end of the transmission shaft is fixedly connected with the inner ring of the other second bearing 39; the driven gear 37 is fixedly sleeved on the transmission shaft 38 and is meshed with the driving gear 35, the rotating shaft of the speed reducer 13 drives the driving gear 35 to rotate, and further, the driving gear 35 is meshed with the driven gear 37 to drive the two rotating mechanisms to rotate, so that the two rotating mechanisms respectively drive the first eccentric wheel 21 and the second eccentric wheel 22 to rotate under the action of the second bearing 39, wherein a central shaft is installed on one side of the first eccentric wheel 21 and the second eccentric wheel 22, and an eccentric shaft is installed on the other side of the first eccentric wheel 21 and the second eccentric wheel 22.

The outer side of the mounting plate 7 is symmetrically provided with strip-shaped plates 9, the strip-shaped plates 9 are fixedly connected with the mounting plate 7, and the two strip-shaped plates 9 are respectively provided with a sliding rail 20; the upper platen subassembly all includes slide 10 with lower platen subassembly, slide 10 be close to one side symmetry of mounting panel 7 be provided with slide 20 assorted slider 1001, slider 1001 and slide 20 sliding connection, the one end of slide 10 still is provided with fixing bolt, and wherein the slide 10 of upper platen subassembly sets up with slide 10 of lower platen subassembly relatively.

The upper pressure plate assembly further comprises a second eccentric wheel 22, an upper pressure plate 12 and a fisheye bearing 23, wherein the central shaft of the second eccentric wheel 22 is in interference fit with a second bearing 39 of one of the rotating mechanisms, a groove is formed in the middle of the lower end of the upper pressure plate 12, the upper pressure plate 12 is fixedly arranged on the outer side of the sliding plate 10 through bolts, one end of the fisheye bearing 23 is rotatably connected with a fixing bolt, and the other end of the fisheye bearing 23 is rotatably connected with an eccentric shaft of the second eccentric wheel 22; the lower pressing plate component further comprises a first eccentric wheel 21, a lower pressing plate 11 and a fisheye bearing 23, a central shaft of the first eccentric wheel 21 is in interference fit with a second bearing 39 of another rotating mechanism, two bulges distributed at intervals are installed at the upper end of the lower pressing plate 11, two ends of the lower portion of the upper pressing plate 12 are matched with two ends of the upper portion of the lower pressing plate 11, the lower pressing plate 11 is fixedly arranged on the outer side of the sliding plate 10 through bolts, one end of the fisheye bearing 23 is rotatably connected with a fixing bolt, the other end of the fisheye bearing 23 is rotatably connected with an eccentric shaft of the first eccentric wheel 21, the fisheye bearing 23 comprises two fisheye bearing components, and the two fisheye bearing components are in threaded connection. The second eccentric wheel 22 rotates, the eccentric shaft of the second eccentric wheel 22 drives the sliding plate 10 of the upper pressure plate assembly to slide downwards through the fisheye bearing 23, and therefore the sliding plate 10 drives the upper pressure plate 12 to move downwards; the first eccentric wheel 21 rotates, the eccentric shaft of the first eccentric wheel 21 drives the sliding plate 10 of the lower pressing plate assembly to slide upwards through the fisheye bearing 23, and therefore the sliding plate 10 drives the lower pressing plate 11 to move upwards; when the first eccentric wheel 21 and the second eccentric wheel 22 rotate to half a turn, the upper pressing plate 12 and the lower pressing plate 11 are closed, so that the automatic bending processing of the steel wire is realized.

A T-shaped plate 29 is arranged on one side of the U-shaped support 2 close to the bending mechanism, lower pulleys 33 are symmetrically arranged on the outer side of the T-shaped plate 29, the lower pulleys 33 further comprise fixed shafts fixedly connected with the T-shaped plate 29, adjusting blocks 31 are arranged on the inner side of the T-shaped plate 29, adjusting bolts 3101 are symmetrically arranged at two ends of each adjusting block 31, fixed blocks 30 are connected to the bottoms of the two adjusting bolts 3101, upper pulleys 32 are symmetrically arranged on the outer side of each fixed block 30, each upper pulley 32 further comprises a fixed shaft fixedly connected with the corresponding fixed block 30, and each upper pulley 30 is positioned right above the corresponding lower pulley 33; one side of the U-shaped support 2 far away from the bending mechanism is provided with a guide wheel 25, the guide wheel 25 further comprises a fixing shaft fixedly connected with the U-shaped support 2, and the steel wire after wire drawing processing passes through the upper pulley 32 and the lower pulley 33 to ensure that the steel wire after wire drawing processing passes through the space between the upper pressing plate 12 and the lower pressing plate 11.

The top of the transmission shell 8 is fixedly provided with a connecting piece 24, the tops of the two vertical plates 3 are fixedly provided with tracks 6, the cross sections of the tracks 6 are in a U-shaped structure, a conveyor belt 601 is arranged in the tracks 6, the interior of the conveyor belt 601 is in a hollow structure, wires and power lines connected with the speed reducer 13, the photoelectric switch 16 and the proximity switch 34 and the PLC pass through the conveyor belt 601, the wires and the power supply are protected, the wires and the power lines are prevented from being wound or abraded when the transmission shell 8 moves, one end of the conveyor belt 601 is connected with the connecting piece 24, and the transmission shell 8 can drive the conveyor belt 601 to move in the tracks 66 when sliding on the guide rod 4; 6 both ends bottoms of track all are equipped with the proximity switch subassembly, the proximity switch subassembly includes bottom plate 3401 with 6 fixed connection of track, bottom plate 3401's tip is provided with extension board 3402, the one end that extension board 3402 kept away from bottom plate 3401 is provided with proximity switch 34, and proximity switch 34 is connected with the PLC controller through the wire, and wherein proximity switch 34 plays the effect of spacing protection to the motion of transmission casing 8, and when proximity switch 34 detected transmission casing 8, give the PLC controller with signal transmission, make PLC controller control speed reducer stop, prevent that the steel wire from driving transmission casing 8 and slide on guide bar 4 always.

In use, after the wire drawing process, the wire is continuously transmitted forward through the upper pulley 32 and the lower pulley 33, so that the wire is positioned between the upper pressing plate 11 and the lower pressing plate 12 and is positioned below the limiting wheel 1903 and the guide wheel 25. When the steel wire is processed by the wire drawing machine, the length of the transmission steel wire is calculated by a meter counter of the wire drawing machine, when a set value is reached, the meter counter feeds back a signal to a PLC controller, the PLC controller controls a speed reducer 13 to start, a rotating shaft of the speed reducer 13 drives a rotating disc 17 and a driving gear 35 to rotate, the driving gear 35 drives driven gears 37 of two rotating mechanisms to rotate, so that the driven gears 37 drive transmission shafts 38 to rotate, the end parts of the two transmission shafts 38 drive inner rings of second bearings 39 located on a mounting plate 7 to rotate, and under the action of the second bearings 39, the two transmission shafts 38 respectively drive a first eccentric wheel 21 and a second eccentric wheel 22 to rotate. The second eccentric wheel 22 drives the sliding plate 10 of the upper pressure plate assembly to slide downwards under the action of the fisheye bearing 23, and the sliding block 1001 slides downwards on the sliding rail 20, so that the sliding plate 10 drives the upper pressure plate 12 to move downwards; the first eccentric wheel 21 drives the sliding plate 10 of the lower pressing plate assembly to slide upwards under the action of the fisheye bearing 23, the sliding block 1001 slides upwards on the sliding rail 20, so that the sliding plate 10 drives the lower pressing plate 11 to move upwards, and when the first eccentric wheel 21 and the second eccentric wheel 22 rotate to half a turn, the upper pressing plate 12 and the lower pressing plate 11 are closed, and then the bending treatment of the steel wire is realized. When the upper press plate 12 and the lower press plate 11 close the bent steel wire, the steel wire being conveyed drives the transmission housing 8 to slide on the guide rod 4, that is, the guide block 14 slides to the right on the guide rod 4.

In the process that the transmission shell 8 slides on the guide rod 4, the first eccentric wheel 21 and the second eccentric wheel 22 continue to rotate, the first eccentric wheel 21 and the second eccentric wheel 22 drive the upper pressing plate 12 to move upwards and the lower pressing plate 11 to move downwards while rotating, when the opening 18 in the rotary table 17 rotates to the position of the photoelectric switch 16, the photoelectric switch 16 transmits a signal to the PLC controller, the PLC controller controls the speed reducer 13 to stop working, and the upper pressing plate 12 and the lower pressing plate 11 recover to the initial position, wherein the transmission shell 8 moves leftwards under the action of the buffer spring 401, namely the guide block 14 drives the transmission shell 8 to slide leftwards on the guide rod 4, so that the transmission shell 8 recovers to the initial position, the limiting assembly plays a limiting role on the transmission shell 8, and when the limiting plate 801 is in contact with the rubber head 28, the transmission shell 8 stops moving leftwards. After the steel wire is subjected to bending treatment, the steel wire is continuously transmitted to a subsequent process for plating treatment and take-up and packaging, and after the steel wire is produced, a worker can shear the steel wire at the bending part of the steel wire so as to ensure that the lengths of the steel wires wound on the spool are the same. The subsequent steel wire bending treatment is the same as the operation.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, so that all equivalent changes or modifications made by the technical solutions described in the claims of the present invention should be included in the claims of the present invention.

Claims

1. An automatic bending machine is characterized by comprising a control console (1), wherein U-shaped supports (2) are symmetrically arranged on the control console (1), a guide rod (4) is arranged between the two U-shaped supports (2), and a buffer spring (401) is sleeved on the guide rod (4); the guide rod (4) is connected with a transmission shell (8) in a sliding mode, a mounting plate (7) is fixedly arranged on the front side of the transmission shell (8), a bending mechanism is arranged on the mounting plate (7), and the bending mechanism comprises an upper pressing plate assembly and a lower pressing plate assembly; a driving mechanism and two rotating mechanisms are arranged in the transmission shell (8), the driving mechanism is in transmission connection with the rotating mechanisms, and the two rotating mechanisms are respectively in transmission connection with the upper pressing plate assembly and the lower pressing plate assembly; the rear side plate of the transmission shell (8) is fixedly provided with a speed reducer (13), a rotating shaft of the speed reducer (13) penetrates through the speed reducer to be connected with a rotary table (17), an opening (18) is formed in the edge of the rotary table (17), an L-shaped plate (15) is arranged on the speed reducer (13), and a photoelectric switch (16) opposite to the opening (18) is arranged on the L-shaped plate (15).

2. The automatic bending machine according to claim 1, wherein connecting shafts (201) are arranged in the two U-shaped supports (2), vertical plates (3) are sleeved on the connecting shafts (201), and end portions of two ends of the guide rods (4) are fixedly connected with side walls of the vertical plates (3).

3. The automatic bending machine according to claim 2, wherein a fixing plate (5) is sleeved at one end of the guide rod (4) close to the transmission shell (8), and a limiting plate (801) is fixedly arranged at one side of the transmission shell (8) close to the fixing plate (5); one side of one of the vertical plates (3) is fixedly provided with a limiting assembly, the limiting assembly comprises a fixing rod (26) fixedly connected with the vertical plate (3), one end of the fixing rod (26) penetrates through the fixing plate (5) to be connected with a connecting rod (27), and the end part of the connecting rod (27) is fixedly provided with a rubber head (28).

4. The automatic bending machine according to claim 1, wherein a guide block (14) is fixedly arranged on a rear side plate of the transmission housing (8), and the guide block (14) is sleeved on the guide rod (4) and is in sliding connection with the guide rod (4); one side of transmission casing (8) is provided with L shape piece (19), and the bottom symmetry of L shape piece (19) is equipped with bracing piece (1901), two all the cover is equipped with the pressure spring on bracing piece (1901), and bottom fixedly connected with mount pad (1902), be equipped with in mount pad (1902) and rotate spacing wheel (1903) of being connected with mount pad (1902).

5. The automatic bending machine according to claim 1, wherein the driving mechanism comprises two first bearings (36) and a rotating shaft of the speed reducer (13), mounting grooves for mounting the first bearings (36) are formed in the rear side plate and the mounting plate (7) of the transmission housing (8), the two first bearings (36) are fixedly mounted in the mounting grooves, the rotating shaft of the speed reducer (13) extends into the transmission housing (8) and is in interference fit with the two first bearings (36), and a driving gear (35) is fixedly sleeved on the rotating shaft of the speed reducer (13).

6. The automatic bending machine according to claim 5, wherein each of the two rotating mechanisms comprises two second bearings (39), a transmission shaft (38) and a driven gear (37), a rear side plate of the transmission housing (8) and the mounting plate (7) are respectively provided with a placing groove for mounting the second bearings (39), the two second bearings (39) are respectively fixedly mounted in the placing grooves, one end of the transmission shaft (38) is in interference fit with the second bearings (39), and the other end of the transmission shaft is fixedly connected with the second bearings (39); the driven gear (37) is fixedly sleeved on the transmission shaft (38) and is meshed with the driving gear (35).

7. The automatic bending machine according to claim 6, wherein strip-shaped plates (9) are symmetrically arranged on the outer side of the mounting plate (7), and sliding rails (20) are arranged on both the strip-shaped plates (9); the upper pressing plate assembly and the lower pressing plate assembly respectively comprise a sliding plate (10), sliding blocks (1001) matched with the sliding rails (20) are symmetrically arranged on one side, close to the mounting plate (7), of the sliding plate (10), and fixing bolts are further arranged at one end of the sliding plate (10).

8. The automatic bending machine according to claim 7, wherein the upper pressure plate assembly further comprises a second eccentric wheel (22), an upper pressure plate (12) and a fisheye bearing (23), the central shaft of the second eccentric wheel (22) is in interference fit with a second bearing (39), the upper pressure plate (12) is fixedly arranged on the outer side of the sliding plate (10), one end of the fisheye bearing (23) is rotatably connected with a fixing bolt, and the other end of the fisheye bearing is rotatably connected with an eccentric shaft of the second eccentric wheel (22); lower clamp plate subassembly still includes first eccentric wheel (21), holding down plate (11) and fisheye bearing (23), the center pin and the second bearing (39) interference fit of first eccentric wheel (21), holding down plate (11) are fixed to be set up in the outside of slide (10), the one end and the fixing bolt of fisheye bearing (23) rotate to be connected, the other end rotates with the eccentric shaft of first eccentric wheel (21) to be connected.

9. The automatic bending machine according to claim 1, characterized in that a T-shaped plate (29) is arranged on one side of a U-shaped bracket (2) close to the bending mechanism, lower pulleys (33) are symmetrically arranged on the outer side of the T-shaped plate (29), an adjusting block (31) is arranged on the inner side of the T-shaped plate (29), adjusting bolts (3101) are symmetrically arranged at two ends of the adjusting block (31), a fixed block (30) is connected to the bottoms of the two adjusting bolts (3101), upper pulleys (32) are symmetrically arranged on the outer side of the fixed block (30), and the upper pulleys (32) are positioned right above the lower pulleys (33); and a guide wheel (25) is arranged on one side of the U-shaped support (2) far away from the bending mechanism.

10. The automatic bending machine according to claim 2, wherein a connecting piece (24) is fixedly arranged at the top of the transmission shell (8), rails (6) are fixedly arranged at the tops of the two vertical plates (3), the cross sections of the rails (6) are of U-shaped structures, a conveyor belt (601) is arranged in each rail (6), and one end of each conveyor belt (601) is connected with the connecting piece (24); the utility model discloses a track (6) fixed connection's bottom plate (3401), extension board (3402), the one end that bottom plate (3401) was kept away from in extension board (3402) is provided with proximity switch (34).