CN113245465A - Protection machanism of bender - Google Patents
Protection machanism of bender Download PDFInfo
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- CN113245465A CN113245465A CN202110760501.XA CN202110760501A CN113245465A CN 113245465 A CN113245465 A CN 113245465A CN 202110760501 A CN202110760501 A CN 202110760501A CN 113245465 A CN113245465 A CN 113245465A
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- curtain
- bending machine
- protection
- telescopic
- fixing block
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D55/00—Safety devices protecting the machine or the operator, specially adapted for apparatus or machines dealt with in this subclass
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- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a protection mechanism of a bending machine, belonging to the technical field of metal material bending processing equipment, wherein the protection mechanism is arranged on a top box and a bottom box of the bending machine and is positioned on one side of a fixed platform, which is far away from the bending machine; protection machanism includes the protection curtain, rolls up curtain subassembly, flexible subassembly, rotation drive assembly, goes up fixed block, lower fixed block, the one end of protection curtain is installed on flexible subassembly, the other end is installed and is adorned on rolling up the curtain, and the protection curtain withdraws the coiling or extends through flexible subassembly through rolling up the curtain subassembly and unfold, it rotates to install on last fixed block to roll up the curtain subassembly, flexible subassembly fixed mounting is on rotation drive assembly, rotation drive assembly rotates and installs under on the fixed block, flexible subassembly rotates through rotation drive assembly drive and rotates. The protection mechanism shields the metal material processing area, so that personnel injury accidents caused by metal material processing are effectively avoided, and the safety performance of the bending machine is improved.
Description
Technical Field
The invention relates to a protection mechanism of a bending machine, and belongs to the technical field of metal material bending processing equipment.
Background
The bending machine is a machine capable of bending metal materials such as metal plates and steel bars, and can process the metal materials into the shapes according to requirements, but some existing bending machines have the problem of insufficient safety, and 1) when the bending machine is used for bending the metal materials, the metal materials are fractured due to large bending force, and due to improper protection, scraps generated after fracture splash to hurt workers; 2) the metal material positioned on the outer side of the bending machine is reversed during bending, and workers can be injured by the metal material when approaching the bending machine; 3) sometimes, a worker puts a hand in a working area when the worker is not used properly, and serious personal injury accidents can be caused when the worker bends the hand. Therefore, the protection mechanism of the bending machine is high in safety performance.
Disclosure of Invention
The invention aims to provide a protection mechanism of a bending machine, which aims at solving the problems in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a protection mechanism of a bending machine comprises a bending machine top box, a bending machine bottom box, a lifting plate, an upper pressing plate, a fixing table and a lower pressing plate, wherein the protection mechanism is arranged on the bending machine top box and the bending machine bottom box and is positioned on one side, far away from the bending machine, of the fixing table; the protection mechanism comprises a protection curtain, a rolling curtain component, a telescopic component, a rotary driving component, an upper fixing block and a lower fixing block, one end of the protection curtain is installed on the telescopic component, the other end of the protection curtain is installed on the rolling curtain component, the protection curtain is retracted to be wound through the rolling curtain component or extended and unfolded through the telescopic component, the rolling curtain component is rotatably installed on the upper fixing block, the telescopic component is fixedly installed on the rotary driving component, the rotary driving component is rotatably installed on the lower fixing block, the telescopic component is driven by the rotary driving component to rotate towards the direction close to the upper fixing block or the lower fixing block to enable the protection curtain to be extended to different protection positions, the rotating angle of the telescopic component is 0-90 degrees, the upper fixing block is fixedly installed on a top box of the bending machine, and the lower fixing block is fixedly installed on a bottom box of the bending machine; the end part of the telescopic assembly close to the lower fixed block is a fixed end part, the middle part of the telescopic assembly and the end part of the telescopic assembly far away from the lower fixed block are telescopic parts, and the protective curtain is connected with the telescopic parts of the telescopic assembly.
Preferably, the telescopic assembly comprises a connecting rod and two electric telescopic rods, one ends of the two electric telescopic rods, which are close to the lower fixed block, are respectively and fixedly connected with the rotation driving assembly, one ends of the two electric telescopic rods, which are far away from the lower fixed block, are respectively and fixedly connected with two ends of the connecting rod, the connecting rod is fixedly connected with the protective curtain, the two electric telescopic rods synchronously extend or contract to drive the connecting rod to move, and the protective curtain retracts, winds or extends and stretches along with the movement of the connecting rod; the end parts of the two electric telescopic rods close to the lower fixing block form fixing end parts, and the end parts of the connecting rod, the middle parts of the two electric telescopic rods and the end parts of the two electric telescopic rods far away from the lower fixing block form telescopic parts.
Preferably, the rotation driving assembly comprises a synchronous rotating shaft and a first motor, one end of the synchronous rotating shaft rotatably penetrates through the lower fixed block and extends to be fixedly connected with the first motor, two ends of the synchronous rotating shaft are fixedly connected with the two electric telescopic rods respectively, and bearings are further mounted at two ends of the synchronous rotating shaft respectively; the both ends of lower fixed block are provided with the cassette groove of symmetry, two the level is link up between the cassette groove has the axletree that can rotate the synchronous pivot of installation, the axletree is arranged with synchronous pivot, bearing coaxial, every bearing fixed mounting keeps away from the one end of axletree, every electric telescopic handle is close to down the one end of fixed block and arranges the one end that is close to the axletree at the cassette groove to every electric telescopic handle is along with synchronous pivot at cassette inslot internal rotation, synchronous pivot rotates through first motor drive, two electric telescopic handle rotates to the direction that is close to last fixed block or is close to down the fixed block in step, makes the connecting rod drive the protection curtain and withdraws the coiling or extend the extension and stretch.
Preferably, the roller shutter assembly comprises a roller shaft, a rotating disc, a cover cap and a brake motor, two ends of the roller shaft are rotatably mounted on an upper fixed block, one end of the roller shaft rotates to penetrate through the upper fixed block and is fixedly connected with the brake motor, the rotating disc is fixedly mounted on the roller shaft, the cover cap is fixedly covered on the rotating disc and is fixed on the upper fixed block, the lowest end of the cover cap is provided with an outlet, the protective curtain is wound on the rotating disc, one end of the protective curtain extends out and is fixedly connected with a telescopic assembly, the brake motor drives the roller shaft to rotate, the rotating disc rotates along with the roller shaft to enable the protective curtain to be wound or loosened, the telescopic assembly moves towards a direction close to the upper fixed block when the protective curtain is wound to enable the protective curtain to be retracted, and the telescopic assembly moves towards a direction close to the upper fixed block when the protective curtain is loosened to enable the protective curtain to be extended and unfolded; the bottom of the lower fixed block is provided with an accommodating groove, the scroll penetrates through the accommodating groove and is rotatably arranged on the upper fixed block, the rotating disc and the cover cap are respectively arranged in the accommodating groove, and the cover cap is fixed on the wall of the accommodating groove; an outlet sleeve of the cover cap is provided with an anti-static ring sleeve, a roller capable of rotating is arranged in the anti-static ring sleeve, and the protective curtain penetrates through the space between the two rollers.
Preferably, the protection mechanism further comprises a limit support assembly; spacing supporting component includes symmetrical arrangement in the limiting plate of flexible subassembly both sides and vertical arrangement, every be provided with the spacing hole of circular arc of quarter circle on the limiting plate, the spacing downthehole slidable mounting of circular arc has the bracing piece of horizontal arrangement, the fixed tip of the one end fixed connection flexible subassembly of bracing piece, the other end pass the spacing jogged joint fixture block of circular arc, rotate the flexible subassembly of drive assembly drive and rotate, the bracing piece slides along the spacing jogged joint of circular arc thereupon, when the bracing piece slides to the peak in the spacing hole of circular arc the flexible subassembly is vertical state, when the bracing piece slides to the minimum in the spacing hole of circular arc the flexible subassembly is the horizontality, every the part fixedly connected with connecting block that the limiting plate is close to the bender, the connecting block is installed on the.
Preferably, the protection mechanism further comprises a lifting protection frame, and the lifting protection frame is slidably mounted between the bottom box and the lower fixing block of the bending machine; a horizontal U-shaped sliding groove is formed between the bottom box of the bending machine and the lower fixing block; the lift protection frame is including crouching U template, scalable board and lift drive assembly, the top of crouching the U template slides and passes crouching U type spout and scalable board fixed connection, the U template of crouching passes through the drive of lift drive assembly and follows the vertical lift of crouching U type spout, lift drive assembly fixed mounting is in the bottom surface of fixed block down, scalable board goes up and down and is located the top of the top surface of fixed block down all the time along with the lift of crouching the U template, the bottom of crouching the U template is provided with spacing.
Preferably, a groove is formed in the middle of the side face, close to the lower fixing block, of the horizontal U-shaped plate, and vertically arranged racks are arranged in the groove; the lifting driving assembly comprises a gear, a second motor and a bracket, the bracket is fixedly mounted on the bottom surface of the lower fixing block, the second motor is mounted on the bracket, the gear is fixedly connected with the second motor, the gear is meshed with a rack, the second motor drives the gear to rotate so that the rack rises or falls, and the horizontal U-shaped plate rises or falls along with the rack.
Preferably, the telescopic plate comprises a fixed plate fixedly connected with the horizontal U-shaped plate and a sliding plate slidably connected with the fixed plate, a plurality of limiting sliding grooves are formed in the top surface of the fixed plate, limiting sliding blocks matched with the limiting sliding grooves are arranged on the sliding plate, and the sliding plate slides along the limiting sliding grooves through the limiting sliding blocks to move towards a direction far away from or close to the bottom box of the bending machine.
Preferably, a plurality of guide sliding grooves are formed in the side face, close to the horizontal U-shaped plate, of the bottom box of the bending machine, and guide sliding strips matched with the guide sliding grooves are arranged on the side face, close to the bottom box of the bending machine, of the horizontal U-shaped plate.
Preferably, the protection curtain is woven by steel wires, and the protection curtain is provided with uniformly arranged support rolling strips.
The invention has the beneficial effects that:
1. according to the protective curtain provided by the invention, the protective curtain is matched with the rolling curtain component and the telescopic component, so that a metal material processing area is shielded by the protective curtain, workers are prevented from being injured due to the fact that scraps generated after the metal material is fractured due to large bending strength splash, the workers can be effectively prevented from being injured close to the metal material to be bent, and the safety performance of the bending machine is effectively improved by the protective mechanism.
2. According to the invention, the rotation driving assembly is arranged to drive the telescopic assembly to rotate, so that metal materials with different sizes and specifications can be covered between the protective curtain and the bending machine, and meanwhile, when the bending machine is used for bending, workers can be driven to leave, the workers are prevented from being injured, and the protection effect of the protection mechanism is further improved.
3. The telescopic curtain protection device is provided with the limiting support assembly, so that the extension assembly can rotate within the angle range of 0-90 degrees, and meanwhile, the limiting support assembly has a good supporting effect on the telescopic assembly all the time, the stability of the telescopic assembly is better improved, the stability of the telescopic assembly on the protection curtain support is improved, and the safety protection performance is further improved.
4. The lifting protection frame is arranged, the height of the lifting protection frame can be adjusted, the telescopic plate capable of being arranged is arranged, metal materials can be well supported so as to be suitable for metal materials with different sizes and shapes, the stability is good, the lifting protection frame does not need to be held by hands, meanwhile, the lower pressing plate can be shielded, scraps which are fractured by bending can be prevented from splashing, the protection safety is further improved, and personal injury is reduced.
Drawings
FIG. 1 is a schematic structural view of a guard mechanism of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
FIG. 4 is an enlarged view at C of FIG. 1;
FIG. 5 is a cross-sectional view taken along line D-D of FIG. 3;
FIG. 6 is a cross-sectional view taken in the direction E-E of FIG. 4;
FIG. 7 is a schematic view of the protection mechanism of the present invention in a protection state during the processing of metal materials.
In the figure: 1. a top box of a bending machine 2, a bottom box of the bending machine 3, a lifting plate 4, an upper pressing plate 5, a fixed table 6, a lower pressing plate 7, a lower fixed block 8, an upper fixed block 9, a protective curtain 10, a connecting rod 11, an electric telescopic rod 12, a synchronous rotating shaft 13, a first motor 14, a bearing 15, a clamping seat groove 16, a shaft channel 17, a containing groove 18, a scroll 19, a rotating disc 20, a cover 21, the braking device comprises a braking motor 22, an anti-static ring sleeve 23, a rolling shaft 24, a limiting plate 25, an arc limiting hole 26, a supporting rod 27, a connecting block 28, a horizontal U-shaped sliding groove 29, a horizontal U-shaped plate 31, a limiting strip 32, a rack 33, a fixing plate 34, a sliding plate 35, a limiting groove 36, a limiting sliding block 37, a guiding sliding groove 38, a guiding sliding strip 39, a supporting rolling strip 40, a gear 41, a second motor 42 and a bracket.
Detailed Description
The technical solutions in the implementation of the present invention will be made clear and fully described below with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, in an embodiment of the present invention, a protection mechanism for a bending machine includes a top box 1 of the bending machine, a bottom box 2 of the bending machine, a lifting plate 3, an upper pressing plate 4, a fixing table 5, and a lower pressing plate 6, and is installed on the top box 1 of the bending machine and the bottom box 2 of the bending machine and located on a side of the fixing table 5 away from the bending machine; the protection mechanism comprises a protection curtain 9, a rolling curtain component, a telescopic component, a rotation driving component, an upper fixing block 8 and a lower fixing block 7, one end of the protection curtain 9 is installed on the telescopic component, the other end of the protection curtain is installed on the rolling curtain component, the protection curtain 9 is retracted to be wound through the rolling curtain component or extended to be unfolded through the telescopic component, the rolling curtain component is rotatably installed on the upper fixing block 8, the telescopic component is fixedly installed on the rotation driving component, the rotation driving component is rotatably installed on the lower fixing block 7, the telescopic component is driven by the rotation driving component to rotate towards the direction close to the upper fixing block 8 or the lower fixing block 7 so as to extend the protection curtain 9 to different protection positions, the rotation angle of the telescopic component is 0-90 degrees, the upper fixing block 8 is fixedly installed on a top box 1 of a bending machine, the lower fixing block 7 is fixedly installed on a bottom box 2 of the bending machine, the metal material processing area is shielded, so that the phenomenon that working personnel are injured due to the fact that scraps generated after the metal material is broken are splashed due to large bending strength is avoided; personnel can be effectively prevented from approaching the bent metal material to avoid being injured; meanwhile, when the bending work is carried out, workers can be driven to leave, and the workers are prevented from being injured; the safety performance of the bending machine is effectively improved by the protection mechanism; the tip that telescopic component is close to lower fixed block 7 is fixed tip, telescopic component's middle part and telescopic component keep away from down the tip of fixed block 7 be the pars contractilis, protection curtain 9 is connected with telescopic component's pars contractilis.
As shown in fig. 1 and 7, in another embodiment of the present invention, the telescopic assembly includes a connecting rod 10 and two electric telescopic rods 11, one end of each of the two electric telescopic rods 11 close to the lower fixed block 7 is respectively and fixedly connected to the rotation driving assembly, one end of each of the two electric telescopic rods 11 far from the lower fixed block 7 is respectively and fixedly connected to two ends of the connecting rod 10, the connecting rod 10 is fixedly connected to the protective curtain 9, the two electric telescopic rods 11 synchronously extend or contract to drive the connecting rod 10 to move, the protective curtain 9 retracts, winds, extends and expands along with the movement of the connecting rod 10, the connecting rod 10 drives the protective curtain 9 to expand, so as to shield a metal material processing area, shield people outside the processing area, effectively avoid personal injury, and have excellent safety protection performance; the end parts of the two electric telescopic rods 11 close to the lower fixing block 7 form fixing end parts, and the end parts of the connecting rod 10, the middle parts of the two electric telescopic rods 11 and the two electric telescopic rods 11 far away from the lower fixing block 7 form a telescopic part.
As shown in fig. 2, in another embodiment of the present invention, the rotation driving assembly includes a synchronous rotating shaft 12 and a first motor 13, one end of the synchronous rotating shaft 12 passes through the lower fixing block 7 and is extended to be fixedly connected to the first motor 13, two ends of the synchronous rotating shaft 12 are respectively fixedly connected to two electric telescopic rods 11, and two ends of the synchronous rotating shaft 12 are respectively provided with a bearing 14; two ends of the lower fixing block 7 are provided with symmetrical clamping seat grooves 15, a shaft passage 16 capable of rotatably mounting the synchronous rotating shaft 12 is horizontally penetrated between the two clamping seat grooves 15, the shaft passage 16 is coaxially arranged with the synchronous rotating shaft 12 and the bearings 14, each bearing 14 is fixedly mounted at one end of the clamping seat groove 15 far away from the shaft passage 16, one end of each electric telescopic rod 11 close to the lower fixing block 7 is arranged at one end of the clamping seat groove 15 close to the shaft passage 16, each electric telescopic rod 11 rotates in the clamping seat groove 15 along with the synchronous rotating shaft 12, the bearing 14 is adopted to ensure that the axial line of the synchronous rotating shaft 12 always coincides with the axial line of the shaft passage 16 when the synchronous rotating shaft 12 rotates in the shaft passage 16 on one hand, the synchronous rotating shaft 12 is prevented from being deviated, on the other hand, the electric telescopic rod 11 is limited to ensure that the electric telescopic rod 11 and the synchronous rotating shaft 12 are always vertical, and the synchronous rotating shaft 12 is driven to rotate by the first motor 13, two electric telescopic handle 11 rotates to the direction that is close to last fixed block 8 or is close to lower fixed block 7 in step, makes connecting rod 10 drive protective curtain 9 and withdraws the coiling or extend and stretch, can hide the metal material package of not equidimension specification between protective curtain 9 and bender like this, can effectively prevent personnel to be close to the metal material department of bending and avoid being hindered, and safety protection nature is good.
In another embodiment of the present invention, a connecting ring is disposed at one end of each electric telescopic rod 11 close to the lower fixing block 7, and the connecting ring is in interference fit with the synchronous rotating shaft 12.
As shown in fig. 1, 5 and 7, in another embodiment of the present invention, the roller blind assembly includes a roller 18, a rotary disc 19, a cover 20 and a brake motor 21, both ends of the roller 18 are rotatably mounted on the upper fixing block 8, one end of the roller 18 is rotatably connected to the brake motor 21 through the upper fixing block 8, the rotary disc 19 is fixedly mounted on the roller 18, the cover 20 is fixedly covered on the rotary disc 19 and fixed on the upper fixing block 8, the lowermost end of the cover 20 is provided with an outlet, the protective curtain 9 is wound on the rotary disc 19, one end of the protective curtain 9 extends out and is fixedly connected to the telescopic assembly, the brake motor 21 drives the roller 18 to rotate, the rotary disc 19 rotates with the roller 19 to wind or loosen the protective curtain 9, the telescopic assembly moves towards the upper fixing block 8 when the protective curtain 9 is wound to retract the protective curtain 9, when the protective curtain 9 is loosened, the telescopic assembly moves towards the direction close to the upper fixed block 8 to extend and expand the protective curtain 9, when the telescopic assembly extends or rotates the driving assembly to drive the telescopic assembly to rotate towards the direction close to the upper fixed block 8, the protective curtain 9 is loosened, and the brake motor 21 drives the reel 18 to rotate to enable the protective curtain 9 to be retracted and wound in the rotating disc 19 to enable the protective curtain 9 to be tightened; when the telescopic assembly contracts or the rotary driving assembly drives the telescopic assembly to rotate towards the direction close to the lower fixing block 7, the protective curtain 9 is gradually tightened, the brake motor 21 drives the scroll 18 to rotate to loosen the protective curtain 9, the protective curtain 9 extends and stretches along with the telescopic assembly until the required protective position is reached to stretch and tighten the protective curtain 9, and metal materials with different sizes and specifications can be wrapped between the protective curtain 9 and the bending machine to avoid personal injury; the bottom of the lower fixed block 7 is provided with a containing groove 17, the scroll 18 penetrates through the containing groove 17 and is rotatably arranged on the upper fixed block 8, the rotating disc 19 and the cover 20 are respectively arranged in the containing groove 17, and the cover 20 is fixed on the wall of the containing groove 17; the exit cover of shroud 20 is equipped with prevents static ring cover 22, can eliminate static when protection curtain 9 retrieves or extends, prevent being provided with in the static ring cover 22 and to have the roller bearing 23 that can rotate, protection curtain 9 passes from between two roller bearings 23, can make protection curtain 9 withdraw the difficult phenomenon of rolling up that takes place of in-process.
As shown in fig. 1, 2, 6, and 7, in another embodiment of the present invention, the guard mechanism further comprises a spacing support assembly; the limiting and supporting component comprises limiting plates 24 which are symmetrically arranged on two sides of the telescopic component and are vertically arranged, each limiting plate 24 is provided with a circular arc limiting hole 25 of a quarter circle, a supporting rod 26 which is horizontally arranged is arranged in the circular arc limiting hole 25 in a sliding manner, one end of the supporting rod 26 is fixedly connected with the fixed end part of the telescopic component, the other end of the supporting rod 26 penetrates through the circular arc limiting hole 25 to be connected with a clamping block, the rotary driving component drives the telescopic component to rotate, the supporting rod 26 slides along the circular arc limiting hole 25 along with the circular arc limiting hole, the telescopic component is in a vertical state when the supporting rod 26 slides to the highest point of the circular arc limiting hole 25, the telescopic component is in a horizontal state when the supporting rod 26 slides to the lowest point of the circular arc limiting hole 25, the stretching component can rotate within an angle range of 0-90 degrees, and metal materials with different sizes and specifications are wrapped between the protective curtain 9 and the bending machine as much as possible, shielding of a metal material processing area is improved, and personal injury is avoided; while bracing piece 26 has good supporting role to flexible subassembly, improves flexible subassembly pivoted stability better to and the flexible subassembly is to the stability that protective curtain 9 supported, and then improves safety protection performance, every limiting plate 24 is close to the part fixedly connected with connecting block 27 of bender, connecting block 27 is installed on bender under casing 2.
As shown in fig. 1, 2, 4, 6 and 7, in another embodiment of the present invention, the protection mechanism further comprises a lifting protection frame, and the lifting protection frame is slidably mounted between the bending machine bottom box 2 and the lower fixing block 7; a horizontal U-shaped sliding groove 28 is arranged between the bending machine bottom box 2 and the lower fixing block 7; the lifting protection frame comprises a horizontal U-shaped plate 29, a telescopic plate and a lifting driving assembly, the top of the horizontal U-shaped plate 29 slides to penetrate through a horizontal U-shaped chute 28 and is fixedly connected with the telescopic plate, the horizontal U-shaped plate 29 is driven by the lifting driving assembly to vertically lift along the horizontal U-shaped chute 28, the lifting driving assembly is fixedly installed on the bottom surface of the lower fixed block 7, the telescopic plate lifts along with the horizontal U-shaped plate 29 and is always positioned above the top surface of the lower fixed block 7, a limiting strip 31 is arranged at the bottom of the horizontal U-shaped plate 29, so that the height of the telescopic plate can be adjusted by driving the horizontal U-shaped plate 29 through the lifting driving assembly according to the shape of a metal material, meanwhile, the telescopic plate can stretch according to the size of the metal material, and further has better support for the metal material, is good in stability and free of being held by hands, and the horizontal U-shaped plate 29 can shield the lower pressing plate 6, the scrap of bending fracture can be prevented from splashing, the protection safety is further improved, and the personal injury is further prevented.
In another embodiment of the invention, a groove is arranged in the middle of the side surface of the horizontal U-shaped plate 29 close to the lower fixing block 7, and a vertically arranged rack 32 is arranged in the groove; the lifting driving assembly comprises a gear 40, a second motor 41 and a bracket 42, the bracket 42 is fixedly installed on the bottom surface of the lower fixing block 7, the second motor 41 is installed on the bracket 42, the gear 40 is fixedly connected with the second motor 41, the gear 40 is meshed with the rack 32, the second motor 41 drives the gear 40 to rotate, so that the rack 32 ascends or descends, and the horizontal U-shaped plate 29 ascends or descends along with the rack.
In another embodiment of the invention, as shown in fig. 1 and 6, the retractable plate comprises a fixed plate 33 fixedly connected with the horizontal U-shaped plate 29 and a sliding plate 34 slidably connected with the fixed plate 33, the top surface of the fixed plate 33 is provided with a plurality of limiting slide grooves 35, the sliding plate 34 is provided with limiting slide blocks 36 matched with the limiting slide grooves 35, and the sliding plate 34 is moved in a direction away from or close to the bottom box 2 of the bending machine by sliding the limiting slide blocks 36 along the limiting slide grooves 35.
As shown in fig. 1 and fig. 2, in another embodiment of the present invention, a plurality of guide chutes 37 are disposed on a side surface of the bottom case 2 of the bending machine close to the horizontal U-shaped plate 29, and a guide strip 38 cooperating with the guide chutes 37 is disposed on a side surface of the horizontal U-shaped plate 29 close to the bottom case 2 of the bending machine, so as to further improve the stability of the lifting of the horizontal U-shaped plate 29.
As shown in fig. 1, 3 and 7, in another embodiment of the present invention, the protective curtain 9 is woven by steel wires, and the protective curtain 9 is provided with uniformly arranged supporting strips 39, so that the protective curtain 9 can be more smoothly unfolded.
The first motor 13, the second motor 41, the brake motor 21 and the electric telescopic rod 21 of the invention are all servo motors, the first motor 13, the second motor 41, the brake motor 21 and the electric telescopic rod 11 are all controlled by a controller, metal materials are placed in a processing area, the controller controls the second motor 41 to work according to the shape of the metal materials, the driving gear 40 enables the horizontal U-shaped plate 29 and the telescopic plate to ascend, the sliding plate 34 is extended according to the size of the metal materials, the sliding plate 34 supports the metal materials without being held by hands, a worker needs to leave before the upper pressing plate 4 and the lower pressing plate 6 work, the controller controls the first motor 13 and the electric telescopic rod 11 to work, the electric telescopic rod 11 moves along with the step rotating shaft 12 to the direction close to the lower fixing block 7, simultaneously, the electric telescopic rod 11 contracts, the protective curtain 9 starts to be gradually tightened, the controller controls the brake motor 21 to work, the protection curtain 9 is loosened by driving the scroll 18 to rotate, the protection curtain 9 extends along with the telescopic assembly until the protection curtain 9 extends to a protection position covering a metal material bag between the protection curtain 9 and the bending machine, the controller controls the brake motor 21 to stop working, the protection curtain 9 is stretched and tightened, the controller controls the brake first motor 13 and the electric telescopic rod 11 to stop working, the protection mechanism is in a protection state (shown in figure 7), personnel are shielded outside a processing area, safety protection is good, the processing area is shielded when the upper pressing plate 4 and the lower pressing plate 6 work to bend and process the metal material, personal injury is avoided, and the protection curtain 9 and the horizontal U-shaped plate 29 shield scraps generated after the metal material is fractured in the processing area, so that the personnel injury is avoided; personnel are effectively prevented from approaching the bending metal material to be prevented from being injured, and the safety performance of the bending machine is effectively improved by the protection mechanism; after the metal material is bent, the controller controls the first motor 13 to enable the electric telescopic rod 11 to move towards the direction close to the upper fixing block 8 to return to the original position, the electric telescopic rod 11 is vertically arranged, the electric telescopic rod 11 extends to enable the connecting rod 10 to approach the upper fixing block 8, the controller controls the second motor 41 to enable the winding shaft 18 to rotate, and the protective curtain 9 is retracted and wound in the rotating disc 19.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (10)
1. A protection mechanism of a bending machine comprises a bending machine top box, a bending machine bottom box, a lifting plate, an upper pressing plate, a fixing table and a lower pressing plate, and is characterized in that the protection mechanism is installed on the bending machine top box and the bending machine bottom box and is positioned on one side, far away from the bending machine, of the fixing table;
the protection mechanism comprises a protection curtain, a rolling curtain component, a telescopic component, a rotary driving component, an upper fixing block and a lower fixing block, one end of the protection curtain is installed on the telescopic component, the other end of the protection curtain is installed on the rolling curtain component, the protection curtain is retracted to be wound through the rolling curtain component or extended and unfolded through the telescopic component, the rolling curtain component is rotatably installed on the upper fixing block, the telescopic component is fixedly installed on the rotary driving component, the rotary driving component is rotatably installed on the lower fixing block, the telescopic component is driven by the rotary driving component to rotate towards the direction close to the upper fixing block or the lower fixing block to enable the protection curtain to be extended to different protection positions, the rotating angle of the telescopic component is 0-90 degrees, the upper fixing block is fixedly installed on a top box of the bending machine, and the lower fixing block is fixedly installed on a bottom box of the bending machine;
the end part of the telescopic assembly close to the lower fixed block is a fixed end part, the middle part of the telescopic assembly and the end part of the telescopic assembly far away from the lower fixed block are telescopic parts, and the protective curtain is connected with the telescopic parts of the telescopic assembly.
2. The protection mechanism of a bending machine according to claim 1, wherein the telescopic assembly comprises a connecting rod and two electric telescopic rods, one end of each electric telescopic rod, which is close to the lower fixed block, is fixedly connected with the rotation driving assembly, one end of each electric telescopic rod, which is far from the lower fixed block, is fixedly connected with two ends of the connecting rod, the connecting rod is fixedly connected with the protection curtain, the two electric telescopic rods synchronously extend or contract to drive the connecting rod to move, and the protection curtain retracts, winds or extends and stretches along with the movement of the connecting rod;
the end parts of the two electric telescopic rods close to the lower fixing block form fixing end parts, and the end parts of the connecting rod, the middle parts of the two electric telescopic rods and the end parts of the two electric telescopic rods far away from the lower fixing block form telescopic parts.
3. The protection mechanism of a bending machine according to claim 2, wherein the rotation driving assembly comprises a synchronous rotating shaft and a first motor, one end of the synchronous rotating shaft passes through the lower fixing block in a rotating manner and is extended to be fixedly connected with the first motor, two ends of the synchronous rotating shaft are respectively and fixedly connected with two electric telescopic rods, and two ends of the synchronous rotating shaft are respectively provided with a bearing;
the both ends of lower fixed block are provided with the cassette groove of symmetry, two the level is link up between the cassette groove has the axletree that can rotate the synchronous pivot of installation, the axletree is arranged with synchronous pivot, bearing coaxial, every bearing fixed mounting keeps away from the one end of axletree, every electric telescopic handle is close to down the one end of fixed block and arranges the one end that is close to the axletree at the cassette groove to every electric telescopic handle is along with synchronous pivot at cassette inslot internal rotation, synchronous pivot rotates through first motor drive, two electric telescopic handle rotates to the direction that is close to last fixed block or is close to down the fixed block in step, makes the connecting rod drive the protection curtain and withdraws the coiling or extend the extension and stretch.
4. The protective mechanism of a bending machine according to claim 1, wherein said roller shutter assembly comprises a roller, a rotating disk, a cover and a brake motor, two ends of the scroll are rotatably arranged on the upper fixing block, one end of the scroll rotatably penetrates through the upper fixing block to be fixedly connected with the brake motor, the rotating disc is fixedly arranged on the reel, the cover cap is fixedly covered on the rotating disc and fixed on the upper fixed block, the lowest end of the cover cap is provided with an outlet, the protective curtain is wound on the rotating disc, one end of the protective curtain extends out and is fixedly connected with the telescopic component, the brake motor drives the scroll to rotate, the rotating disc rotates along with the rotating disc to enable the protective curtain to be wound or loosened, the telescopic assembly moves towards the direction close to the upper fixed block when the protective curtain is wound to enable the protective curtain to be retracted, when the protective curtain is loosened, the telescopic component moves towards the direction close to the upper fixed block to extend and unfold the protective curtain;
the bottom of the lower fixed block is provided with an accommodating groove, the scroll penetrates through the accommodating groove and is rotatably arranged on the upper fixed block, the rotating disc and the cover cap are respectively arranged in the accommodating groove, and the cover cap is fixed on the wall of the accommodating groove;
an outlet sleeve of the cover cap is provided with an anti-static ring sleeve, a roller capable of rotating is arranged in the anti-static ring sleeve, and the protective curtain penetrates through the space between the two rollers.
5. The protection mechanism of a bending machine according to claim 1, characterized in that the protection mechanism further comprises a limit support assembly;
spacing supporting component includes symmetrical arrangement in the limiting plate of flexible subassembly both sides and vertical arrangement, every be provided with the spacing hole of circular arc of quarter circle on the limiting plate, the spacing downthehole slidable mounting of circular arc has the bracing piece of horizontal arrangement, the fixed tip of the one end fixed connection flexible subassembly of bracing piece, the other end pass the spacing jogged joint fixture block of circular arc, rotate the flexible subassembly of drive assembly drive and rotate, the bracing piece slides along the spacing jogged joint of circular arc thereupon, when the bracing piece slides to the peak in the spacing hole of circular arc the flexible subassembly is vertical state, when the bracing piece slides to the minimum in the spacing hole of circular arc the flexible subassembly is the horizontality, every the part fixedly connected with connecting block that the limiting plate is close to the bender, the connecting block is installed on the bender under casing.
6. The protection mechanism of the bending machine according to claim 1, further comprising a lifting protection frame, wherein the lifting protection frame is slidably mounted between the bottom box and the lower fixing block of the bending machine;
a horizontal U-shaped sliding groove is formed between the bottom box of the bending machine and the lower fixing block;
the lift protection frame is including crouching U template, scalable board and lift drive assembly, the top of crouching the U template slides and passes crouching U type spout and scalable board fixed connection, the U template of crouching passes through the drive of lift drive assembly and follows the vertical lift of crouching U type spout, lift drive assembly fixed mounting is in the bottom surface of fixed block down, scalable board goes up and down and is located the top of the top surface of fixed block down all the time along with the lift of crouching the U template, the bottom of crouching the U template is provided with spacing.
7. The protection mechanism of a bending machine according to claim 6, wherein a groove is formed in the middle of the side surface, close to the lower fixing block, of the horizontal U-shaped plate, and a vertically arranged rack is arranged in the groove;
the lifting driving assembly comprises a gear, a second motor and a bracket, the bracket is fixedly mounted on the bottom surface of the lower fixing block, the second motor is mounted on the bracket, the gear is fixedly connected with the second motor, the gear is meshed with a rack, the second motor drives the gear to rotate so that the rack rises or falls, and the horizontal U-shaped plate rises or falls along with the rack.
8. The protection mechanism of the bending machine according to claim 6, wherein the retractable plate comprises a fixed plate fixedly connected with the horizontal U-shaped plate and a sliding plate slidably connected with the fixed plate, the top surface of the fixed plate is provided with a plurality of limiting sliding grooves, the sliding plate is provided with limiting sliding blocks matched with the limiting sliding grooves, and the sliding plate moves in a direction far away from or close to the bottom box of the bending machine through sliding of the limiting sliding blocks along the limiting sliding grooves.
9. The protection mechanism of a bending machine according to claim 6, characterized in that a plurality of guide sliding grooves are formed in the side surface, close to the horizontal U-shaped plate, of the bottom box of the bending machine, and guide sliding strips matched with the guide sliding grooves are arranged on the side surface, close to the bottom box of the bending machine, of the horizontal U-shaped plate.
10. The protection mechanism of a bending machine according to claim 1, wherein the protection curtain is woven by steel wires, and the protection curtain is provided with uniformly arranged support strips.
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| CN202110760501.XA CN113245465B (en) | 2021-07-06 | 2021-07-06 | Protection machanism of bender |
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| CN202110760501.XA CN113245465B (en) | 2021-07-06 | 2021-07-06 | Protection machanism of bender |
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| CN113245465B CN113245465B (en) | 2021-09-24 |
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| CN113788234A (en) * | 2021-09-29 | 2021-12-14 | 深圳市晓帆宇科技有限公司 | Automatic three-dimensional warehousing system |
| CN115213267A (en) * | 2022-09-20 | 2022-10-21 | 徐州市瑞泰钢管有限公司 | Cold roll forming equipment for large-scale curve steel pipe |
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| Publication number | Publication date |
|---|---|
| CN113245465B (en) | 2021-09-24 |
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