Numerical control steel bar arc bending machine

Abstract

The utility model relates to the field of steel bar arc bending equipment, and provides a numerical control steel bar arc bending machine which comprises a machine box, an operation displayer is arranged on one side of the top of the machine box, and mounting plates are arranged at the positions, located on the two sides of the operation displayer, of the top of the machine box respectively. The two mounting plates are in threaded connection with screws and slidably connected with guide rods correspondingly, a fixed cover is fixed to the two sides of the top of the machine box, a movable cover is slidably connected to the two sides of the top of the machine box, and a steel bar conveying mechanism is arranged between the movable cover and the fixed cover. And the end parts of the screw rod and the guide rod are respectively in bearing connection and fixed connection with the outer surface of the movable cover. Compared with the prior art, the arc bending modulation wheel has the advantages that the arc bending modulation wheel is driven by the lead screw motor to move, arc bending is achieved when the arc bending modulation wheel stretches out to make contact with a reinforcing steel bar, the reinforcing steel bar is kept straight when the arc bending modulation wheel is far away from the reinforcing steel bar, and a double-semicircle and rectangle structure of semicircle-straight line-semicircle-straight line is formed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a numerical control steel bar bending machine and belongs to the field of steel bar bending equipment. BACKGROUND

[0002] The Shuihe super-large bridge is located in the reconstruction project of the G518 Rizhao-Jiulian section of the Linyi East Interchange of Changshen Expressway. Since the conventional cylindrical section cannot meet the anti-seismic requirement, the rectangular section can meet the requirement, but the shape of the water-facing surface of the pier does not conform to the flood discharge requirement. After repeated demonstrations, the combined section type of "double half circle + rectangle" with a size of 1.8*2.2 m is adopted, which takes into account the anti-seismic and flood discharge requirements. The pier column of the bridge is composed of two half circles with a radius of 0.9 m and a 0.4 m straight section in the middle, which makes the steel cage processing extremely difficult and the steel bar very difficult to bend into shape.

[0003] The prior art, such as the numerical control multi-head steel bar bending machine with the authorization announcement number CN209632019U, solves the problem of low processing efficiency caused by the fact that the bending shaft position on the swing arm of the existing steel bar bending machine cannot be adjusted, and only 3-5 bending points on the bending machine can be bent to obtain the desired radian. However, it cannot bend the steel bars with different section sizes, and cannot realize the automatic bending action of the steel bars, which is not conducive to the processing and production of the steel bars. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the utility model aims to provide a numerical control steel bar bending machine.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme:

[0006] A numerical control steel bar bending machine comprises a machine box, an operation display is arranged on one side of the top of the machine box, two mounting plates are arranged on both sides of the top of the machine box and located on both sides of the operation display, a screw rod is threadedly connected to each of the two mounting plates, and a guide rod is slidingly connected to each of the two mounting plates, a fixed cover and a movable cover are fixedly connected to both sides of the top of the machine box, a steel bar conveying mechanism is arranged between the movable cover and the fixed cover, the end of the screw rod is bearingly connected to the outer surface of the movable cover, the end of the guide rod is fixedly connected to the outer surface of the movable cover, a counting assembly matched with the steel bar conveying mechanism is fixedly connected to one side of the top of the movable cover, and a bending assembly matched with the steel bar conveying mechanism is arranged on one side of the top of the machine box.

[0007] Further, the steel bar conveying mechanism comprises a plurality of roller wheels with rotating shafts bearingly connected to the fixed cover and a plurality of modulation wheels with rotating shafts bearingly connected to the movable cover, a driven gear is connected to the lower end of the rotating shaft of each of the modulation wheels and the roller wheels, and an intermediate gear is engaged between every two adjacent driven gears.

[0008] Further, the inside of the case is provided with a motor and a gear reduction box on both sides, respectively, the output end of the motor is provided with a power synchronous wheel, the input shaft of the gear reduction box is provided with a power synchronous wheel, the two power synchronous wheels are connected by a power synchronous belt, and the output shaft of the gear reduction box is connected and fixed with the rotating shaft bottom end of the roller wheel at the end of the case.

[0009] Further, the inside of the case is provided with a motor and a gear reduction box on both sides, respectively, the output end of the motor is provided with a power synchronous wheel, the input shaft of the gear reduction box is provided with a power synchronous wheel, the two power synchronous wheels are connected by a power synchronous belt, and the output shaft of the gear reduction box is connected and fixed with the rotating shaft bottom end of the roller wheel at the end of the case.

[0010] Further, the bottom of the fixed cover and the moving cover is provided with an opening matched with the straight slot, and the vertical shaft is penetrated in the opening.

[0011] Further, the counting assembly comprises an L plate arranged on one side of the top of the moving cover, an electric push rod is arranged on one side of the top of the L plate, the bottom output end of the electric push rod is penetrated to the below of the L plate and connected with an encoder, a counting disc is connected with the side of the encoder, and the counting disc is located directly above the reinforcing steel bar conveying mechanism.

[0012] Further, a U-shaped frame is arranged between the fixed cover and the operation display, a vertical proximity switch is installed on the U-shaped frame, and the vertical proximity switch is located directly above the reinforcing steel bar conveying mechanism.

[0013] Further, a horizontal proximity switch matched with the bending assembly is arranged on the top side of the case.

[0014] Further, the bending assembly comprises a fixed frame fixed on one side of the top of the case, a linear track is arranged on the top of the fixed frame, an installation seat is slidably connected on the linear track, an installation U plate is fixed on the top of the side of the installation seat, a bending arc adjusting wheel is bearing-connected on the installation U plate, a lead screw motor is fixed on the side surface of the fixed frame, the side output end of the lead screw motor is penetrated to the other end of the fixed frame and connected with a lead screw, a lead screw slider is arranged on the lead screw, and the lead screw slider is connected and fixed with the installation seat.

[0015] The utility model discloses a beneficial effect:

[0016] The utility model discloses a movable modulating wheel is adopted, and the convenient realization different section size's steel bar conveying and conditioning.

[0017] The utility model discloses a screw motor drive is adopted, realizes the motion of bending arc modulating wheel, realizes bending arc when its extension contact steel bar, realizes that steel bar keeps straight when its far away from steel bar, forms the " double half circle + rectangle " structure of half circle - straight line - half circle - straight line.

[0018] The utility model discloses a gear meshing and drive synchronous wheel mechanism are adopted, realize the reverse rotation of roller wheel and modulating wheel, and convenient realization steel bar conveying.

[0019] The utility model discloses a steel bar conveying mechanism's design can drive a group of roller wheel and a group of modulating wheel two synchronous rotation, and the rotation direction of two is opposite, and convenient to steel bar conveying action.

[0020] The utility model discloses a counting component's design, in the steel bar conveying mechanism conveying process will drive the rotation of top counting disc, and the counting disc rotation will drive the rotation of encoder as rotary encoder, and the operation display calculates the size of steel bar according to the number of turns of encoder and the size of counting disc and through the pulse number.

[0021] The utility model discloses a bending assembly's design, and steel bar is close to vertical proximity switch when, and the operation display control screw motor rotates, drives mounting seat to move along linear track, and mounting seat drives the movement of mounting U plate, and mounting U plate drives the movement of bending arc modulating wheel, and transverse proximity switch detects mounting U plate, and bending arc modulating wheel contacts steel bar, realizes steel bar first segment bending arc, and bending arc reaches the preset size, and control screw motor reverses, until conveying over the size of straight line segment, and control screw motor rotates, realizes second segment bending arc.

[0022] The utility model discloses an installation mechanism's design, thereby in the use process, and roller wheel and modulating wheel two long -term contact with steel bar, so wear is big, when one of roller wheel and modulating wheel appears damage, can change, at this time, pinch knob and drive rotating block rotation, and rotating block rotation will drive threaded rod from the thread hole of thin shaft body top separation, and then, the sleeve ring is taken with the arc block from the vertical section of L type groove separates, then, rotate limit cap, make the boss in limit cap from the horizontal section of L type groove rotates to vertical section, then, the vertical separation limit cap, then, the damaged roller wheel or modulating wheel is separated, and the new roller wheel or modulating wheel is inserted and is changed, and the reverse repeats the above operation, and the roller wheel or modulating wheel of change is locked. DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0024] Figure 1 The total structure schematic diagram of the numerical control steel bar bending machine Figure 1 ;

[0025] Figure 2 The total structure schematic diagram of the numerical control steel bar bending machine Figure 2 ;

[0026] Figure 3 The total structure schematic diagram of the numerical control steel bar bending machine Figure 3 ;

[0027] Figure 4 The steel bar conveying mechanism partial structure schematic diagram of the numerical control steel bar bending machine Figure 1 ;

[0028] Figure 2 The steel bar conveying mechanism partial structure schematic diagram of the numerical control steel bar bending machine Figure 6 ;

[0029] Figure 3 The steel bar conveying mechanism partial structure schematic diagram of the numerical control steel bar bending machine Figure 7 ;

[0030] Figure 8 The partial structure schematic diagram of the numerical control steel bar bending machine

[0031] Figure 9 The bending assembly structure schematic diagram of the numerical control steel bar bending machine

[0032] Figure 10 The mounting mechanism structure schematic diagram of the numerical control steel bar bending machine

[0033] Figure 1 The mounting mechanism partial structure schematic diagram of the numerical control steel bar bending machine Figure 11 ;

[0034] Figure 2 The mounting mechanism partial structure schematic diagram of the numerical control steel bar bending machine Figure 12 ;

[0035] Figure 3The utility model discloses a kind of installation mechanism partial structure of numerical control steel bar bending machine Figure 13 .

[0036] Figure 4 The utility model discloses a kind of installation mechanism partial structure of numerical control steel bar bending machine Figure 14 .

[0037] Figure 5 The utility model discloses a kind of installation mechanism partial structure of numerical control steel bar bending machine Figure 6 .

[0038] Figures 1-2 The utility model discloses a kind of installation mechanism partial structure of numerical control steel bar bending machine Figures 1-7 .

[0039] In the drawing, 1, screw rod motor;2, fixed frame;3, linear track;4, machine case;5, mounting seat;6, transverse proximity switch;7, install U plate;8, bending modulation wheel;9, fixed cover;10, U type frame;11, vertical proximity switch;12, roller wheel;13, modulation wheel;14, mounting plate;15, screw;16, operation display;17, guide rod;18, gear reduction box;19, motor;20, guide long rod;21, straight groove;22, driven gear;23, intermediate gear;24, power synchronous wheel;25, power synchronous belt;26, transverse T plate;27, vertical T plate;28, linkage gear;29, vertical shaft;30, transmission synchronous wheel;31, connecting rod;32, transmission synchronous belt;33, electric push rod;34, counting disc;35, moving cover;36, L plate;37, encoder;38, thick shaft body;39, thin shaft body;40, key groove one;41, convex key two;42, L type slot;43, threaded hole;44, key groove two;45, limit cap;46, protruding block;47, collar;48, rotary block;49, threaded rod;50, plug-in arc block;51, knob. DETAILED DESCRIPTION

[0040] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0041] Embodiment one, please refer to Figure 7The utility model provides a numerical control steel bar bending machine technical scheme, including the case 4, one side of the top of case 4 is equipped with operation display 16, the top of case 4 and located both sides of operation display 16 are equipped with an installation plate 14 respectively, two installation plate 14 are respectively screw -threaded connection has screw rod 15 and slidingly connected with guide rod 17, the top both sides of case 4 are fixed with fixed cover 9 and slidingly connected with moving cover 35 respectively, be equipped with steel bar conveying mechanism between moving cover 35 and fixed cover 9, the end of screw rod 15 and guide rod 17 is connected with the outer surface bearing of moving cover 35 respectively and fixed connection, one side of the top of moving cover 35 is fixed with the counting assembly that cooperates with steel bar conveying mechanism, the top one side of case 4 is equipped with the bending assembly that cooperates with steel bar conveying mechanism;The utility model passes through adopting screw rod motor 1 drive, realizes the movement of bending modulation wheel 8, realizes bending when its extension contact steel bar, realizes that steel bar keeps straight when its far away from steel bar, forms the " double half circle + rectangle " structure of half circle - straight line - half circle - straight line.

[0042] Refer to Figure 1 The steel bar conveying mechanism includes a group of rotating shafts and the fixed cover 9 bearing connection's roller wheel 12 and a group of rotating shafts and the moving cover 35 bearing connection's modulation wheel 13, the rotating shaft lower end of modulation wheel 13 and the rotating shaft lower end of roller wheel 12 are all connected with driven gear 22, and one intermediate gear 23 is engaged between adjacent two driven gears 22, by the design of intermediate gear 23, so that several driven gears 22 on the same side can realize synchronous rotation, and the rotating direction is consistent, the inside both sides of case 4 are equipped with motor 19 and gear reduction box 18 respectively, the output of motor 19 and the input shaft of gear reduction box 18 are all equipped with power synchronous wheel 24, and two power synchronous wheels 24 are connected by power synchronous belt 25 around, and the output shaft of gear reduction box 18 is connected fixedly with the rotating shaft bottom end of roller wheel 12 in the case 4 and end portion, by adopting motor 19 drive and synchronous belt mechanism, realize driving roller wheel 12 rotation.

[0043] Refer to Figure 1The counting assembly comprises an L-shaped plate 36 arranged on one side of the top of the moving cover 35, the top of the L-shaped plate 36 is provided with an electric push rod 33, the bottom output end of the electric push rod 33 penetrates to the lower side of the L-shaped plate 36 and is connected with an encoder 37, the side of the encoder 37 is connected with a counting disc 34, the counting disc 34 is located directly above the reinforcing steel bar conveying mechanism, the length of the reinforcing steel bar movement is calculated by adopting the encoder 37 and the counting disc 34, the reinforcing steel bar is conveniently bent into a predetermined shape, the model of the encoder 37 is E6B2-CWZ6C rotary encoder, the rotary encoder and the counting disc 34 are specific detection means in the detection field, the length distance is measured by the number of output pulses, therefore, the present scheme is not described in detail.

[0044] Referring to Figure 2 A U-shaped frame 10 is arranged between the fixed cover 9 and the operation display 16, a vertical proximity switch 11 is arranged on the U-shaped frame 10 and located directly above the reinforcing steel bar conveying mechanism, and a horizontal proximity switch 6 is arranged on the top side of the machine box 4 and matched with the bending assembly; the horizontal proximity switch 6 is adopted to control the position of the bending modulation wheel 8 and realize the bending of the reinforcing steel bar, and the vertical proximity switch 11 is adopted to conveniently confirm the position of the end of the reinforcing steel bar.

[0045] Referring to Figure 8 , Figures 3-6 , Figures 9-15 The bending assembly comprises a fixing frame 2 fixed on one side of the top of the machine box 4, the top of the fixing frame 2 is provided with a linear track 3, the linear track 3 is slidably connected with a mounting seat 5, the side top of the mounting seat 5 is fixed with a mounting U-shaped plate 7, the mounting U-shaped plate 7 is bearingly connected with the bending modulation wheel 8, the outer surface of the side of the fixing frame 2 is fixed with a lead screw motor 1, the side output end of the lead screw motor 1 penetrates to the other end of the fixing frame 2 and is connected with a lead screw, the lead screw is provided with a lead screw sliding block, and the lead screw sliding block is fixedly connected with the mounting seat 5; the lead screw motor 1 is adopted to drive the movement of the bending modulation wheel 8, when the bending modulation wheel 8 contacts the reinforcing steel bar, the bending is realized, when the bending modulation wheel 8 is away from the reinforcing steel bar, the reinforcing steel bar is kept straight, and a “double semi-circle + rectangle” structure of semi-circle-straight line-semi-circle-straight line is formed.

[0046] The lead screw motor 1, the horizontal proximity switch 6, the vertical proximity switch 11, the motor 19, the electric push rod 33 and the encoder 37 are electrically connected with the operation display 16, and the operation display 16 is internally provided with a chip STM32F103VCT6; the model of the lead screw motor 1 is GSSD; the models of the horizontal proximity switch 6 and the vertical proximity switch 11 are LLJ12A3-8-Z / N1; the model of the motor 19 is YL; and the model of the electric push rod 33 is MNTL.

[0047] In specific use, according to the sectional size of the steel bar, the rotating screw 15 is screwed into the mounting plate 14, and the moving cover 35 is moved, and the moving cover 35 moves the several modulating wheels 13 and the counting components, so that the size of the conveying space formed between the modulating wheels 13 and the fixed shaft wheels 12 fixed on the top of the fixed cover 9 can match the steel bar. Then, the relevant parameters are input on the operation display 16, the operation display 16 controls the electric push rod 33 to extend, the electric push rod 33 moves the encoder 37 and the counting disc 34 to the top of the conveying space, and the bottom of the counting disc 34 can be in contact with the top of the steel bar. Then, the operation display 16 controls the motor 19 to rotate, the motor 19 drives one of the power synchronous wheels 24 to rotate, the two power synchronous wheels 24 are synchronously moved through the power synchronous belt 25, and the other power synchronous wheel 24 drives the gear reduction box 18 to work, the gear reduction box 18 drives one of the shaft wheels 12 and one of the driven gears 22 to rotate, the adjacent two driven gears 22 are synchronously driven through the intermediate gear 23, and the several driven gears 22 can rotate in the same direction through the odd ratio. One end of the steel bar is placed between the shaft wheel 12 and the modulating wheel 13, the shaft wheel 12 drives the steel bar to move, the steel bar is conveyed, the moving steel bar drives the top contacting counting disc 34 to rotate, the counting disc 34 drives the encoder 37 which is a rotary encoder to rotate, the operation display 16 calculates the size of the steel bar according to the number of rotations of the encoder 37, the size of the counting disc 34 and the number of pulses, when the steel bar approaches the vertical proximity switch 11, the operation display 16 controls the screw motor 1 to rotate, drives the mounting seat 5 to move along the linear rail 3, the mounting seat 5 drives the mounting U plate 7 to move, the mounting U plate 7 drives the arc modulating wheel 8 to move, the transverse proximity switch 6 detects the mounting U plate 7, the arc modulating wheel 8 contacts the steel bar, the first arc bending of the steel bar is realized, the arc bending is to the preset size, the screw motor 1 is controlled to rotate reversely until the size of the straight line segment is conveyed, the screw motor 1 is controlled to rotate, and the second arc bending is realized.

[0048] Example two, refer to ​The inner wall of the cabinet 4 is fixed with a guide long rod 20 and a straight slot 21 above the motor 19, the guide long rod 20 is slidingly connected with a horizontal T plate 26, the horizontal T plate 26 is slidingly connected with a vertical T plate 27, the two ends of the vertical T plate 27 are bearingly connected with the central shafts of two linkage gears 28, the two linkage gears 28 are meshed with each other, the central shafts of the two linkage gears 28 penetrate the lower end of the vertical T plate 27 and are connected with a transmission synchronous wheel 30 and a connecting rod 31, the top of the other side of the connecting rod 31 is bearingly connected with a vertical shaft 29, the bottom end of the vertical shaft 29 is fixed with another transmission synchronous wheel 30, the two transmission synchronous wheels 30 are connected through a transmission synchronous belt 32, the top ends of the two vertical shafts 29 penetrate into the fixed cover 9 and the movable cover 35 through the straight slot 21 and are connected with the rotating shafts of the end roller wheels 12 and the rotating shafts of the end modulation wheels 13, the bottom of the fixed cover 9 and the movable cover 35 is provided with an opening matched with the straight slot 21, the vertical shaft 29 penetrates in the opening, in order to prevent the vertical shaft 29 from rotating and contacting the cabinet 4, a sliding block can be bearingly connected with the vertical shaft 29, the sliding block is nested in the straight slot 21, so as to reduce the abrasion of the vertical shaft 29; in specific use, when the screw rod 15 rotates, one modulation wheel 13 drives the bottom vertical shaft 29 to move linearly along the straight slot 21, the linear movement of the vertical shaft 29 drives the bottom connecting rod 31 to swing and pushes the vertical T plate 27 supporting the linkage gear 28 to slide on the horizontal T plate 26, the horizontal T plate 26 slides on the guide long rod 20, so that the sliding action of the vertical shaft 29 in the straight slot 21 can be matched with the arc movement of the connecting rod 31, the vertical T plate 27 drives the other side connecting rod 31 to swing; when the motor 19 rotates, the gear reduction box 18 drives one end roller wheel 12 to rotate, the synchronous rotation of the roller wheels 12 on the same side is achieved through the driven gear 22 and the intermediate gear 23, the rotation of the other end roller wheel 12 drives the vertical shaft 29 to rotate, the rotation of the vertical shaft 29 drives the linkage gear 28 to rotate through the two transmission synchronous wheels 30 and the transmission synchronous belt 32, the linkage gear 28 drives the linkage gear 28 on the other side to rotate, the linkage gear 28 on the other side drives the vertical shaft 29 on the side to rotate through the other group of transmission synchronous wheels 30 and the transmission synchronous belt 32 on the bottom, the rotation of the vertical shaft 29 drives the modulation wheel 13 on the top thereof to rotate, the synchronous rotation of the two adjacent modulation wheels 13 is achieved through the driven gear 22 and the intermediate gear 23, the rotation directions of the roller wheels 12 and the modulation wheels 13 on the two sides are opposite, thereby facilitating the movement of the reinforcing steel bars and achieving the conveying action of the reinforcing steel bars.

[0049] Embodiment three, refer to ​The mounting mechanism comprises a thick shaft body 38 constituting the rotating shaft and a thin shaft body 39 fixed at the top center of the thick shaft body 38, the bottom of the thick shaft body 38 is fixedly connected with the driven gear 22, the top of the thick shaft body 38 is provided with a key groove one 40, the circumferential outer surface of the thin shaft body 39 is uniformly fixed with a plurality of protruding keys two 41, the outer surfaces of the roller wheels 12 and the modulation wheels 13 are sleeved on the outer surface of the thin shaft body 39, the inner walls of the roller wheels 12 and the modulation wheels 13 are provided with key grooves two 44 matched with the protruding keys two 41, the bottoms of the roller wheels 12 and the modulation wheels 13 are fixed with protruding keys one matched with the key groove one 40, the top of the circumferential outer surface of the thin shaft body 39 is uniformly provided with a plurality of L-shaped grooves 42, the top of the outer surface of the thin shaft body 39 is sleeved with a limiting cap 45, the inner wall top of the limiting cap 45 is uniformly fixed with a plurality of protruding blocks 46, the protruding blocks 46 are slidingly connected with the flat sections of the L-shaped grooves 42, the top center of the thin shaft body 39 is provided with a threaded hole 43, a threaded rod 49 is threadedly connected in the threaded hole 43, the top end of the threaded rod 49 is fixed with a rotating block 48, the top of the rotating block 48 is fixed with a knob 51, the outer side of the rotating block 48 is rotatably connected with a sleeve ring 47, the bottom circumferential outer surface of the sleeve ring 47 is uniformly fixed with a plurality of plug-in arc blocks 50, the plug-in arc blocks 50 are plugged in the vertical sections of the L-shaped grooves 42 and are squeezed together with the side edges of the protruding blocks 46.

[0050] In use, the roller wheels 12 and the modulation wheels 13 are in contact with the steel bars for a long time, so the wear is large, when one of the roller wheels 12 and the modulation wheels 13 is damaged, it can be replaced, at this time, the knob 51 is pinched to drive the rotating block 48 to rotate, the rotating block 48 rotates to drive the threaded rod 49 to separate from the threaded hole 43 at the top of the thin shaft body 39, thereby separating the sleeve ring 47 with the plug-in arc blocks 50 from the vertical sections of the L-shaped grooves 42, then the limiting cap 45 is rotated, so that the protruding blocks 46 in the limiting cap 45 are rotated from the horizontal sections to the vertical sections of the L-shaped grooves 42, then the limiting cap 45 is vertically separated, then the damaged roller wheel 12 or modulation wheel 13 is separated, the new roller wheel 12 or modulation wheel 13 is plugged in and replaced, the above-mentioned operation is repeated in the reverse direction, and the replaced roller wheel 12 or modulation wheel 13 is locked.

[0051] Although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A numerical control steel bar bending machine, characterized in that, The utility model provides a kind of steel bar conveying mechanism, including cabinet (4), the top side of the cabinet (4) is equipped with operation display (16), the top of the cabinet (4) and the both sides of the operation display (16) are equipped with one mounting plate (14) respectively, two the mounting plate (14) is respectively screw thread connection with screw rod (15) and sliding connection with guide rod (17), the top of the cabinet (4) both sides are fixed with fixed cover (9) and sliding connection with moving cover (35), between the moving cover (35) and the fixed cover (9) is equipped with steel bar conveying mechanism, the end of the screw rod (15) and the guide rod (17) is respectively with the outer surface bearing connection and fixed connection of the moving cover (35), the top side of the moving cover (35) is fixed with the metering component matched with the steel bar conveying mechanism, the top side of the cabinet (4) is equipped with the bending component matched with the steel bar conveying mechanism.

2. The numerical control reinforcing bar bending machine according to claim 1, wherein The steel bar conveying mechanism includes a group of rotating shafts and a group of rotating shafts bearing connection of the fixed cover (9) and the moving cover (35) respectively, the rotating shaft lower end of the modulating wheel (13) and the rotating shaft lower end of the rolling axle wheel (12) are connected with driven gear (22), and an intermediate gear (23) is engaged between adjacent two driven gears (22).

3. The numerical control reinforcing bar bending machine according to claim 2, wherein The inside of the cabinet (4) both sides is equipped with motor (19) and gear reduction box (18) respectively, the output of the motor (19) and the input shaft of the gear reduction box (18) are equipped with power synchronous wheel (24), two power synchronous wheels (24) are connected by power synchronous belt (25) around, and the output shaft of the gear reduction box (18) is connected and fixed with the rotating shaft bottom end of the rolling axle wheel (12) at the end of the cabinet (4).

4. The numerical control reinforcing bar bending machine according to claim 3, wherein The inside of the cabinet (4) both sides is equipped with motor (19) and gear reduction box (18) respectively, the output of the motor (19) and the input shaft of the gear reduction box (18) are equipped with power synchronous wheel (24), two power synchronous wheels (24) are connected by power synchronous belt (25) around, and the output shaft of the gear reduction box (18) is connected and fixed with the rotating shaft bottom end of the rolling axle wheel (12) at the end of the cabinet (4). The inside of the cabinet (4) both sides is equipped with motor (19) and gear reduction box (18) respectively, the output of the motor (19) and the input shaft of the gear reduction box (18) are equipped with power synchronous wheel (24), two power synchronous wheels (24) are connected by power synchronous belt (25) around, and the output shaft of the gear reduction box (18) is connected and fixed with the rotating shaft bottom end of the rolling axle wheel (12) at the end of the cabinet (4).

5. The numerical control reinforcing bar bending machine according to claim 4, wherein The bottom of the fixed cover (9) and the moving cover (35) is provided with an opening matched with the straight groove (21), and the vertical shaft (29) penetrates through the opening.

6. The numerical control reinforcing bar bending machine according to claim 1, wherein The counting component comprises an L-shaped plate (36) arranged on one side of the top of the moving cover (35), and the top of the L-shaped plate (36) is provided with an electric push rod (33), the bottom output end of the electric push rod (33) penetrates through the L-shaped plate (36) and is connected with an encoder (37), and the side of the encoder (37) is connected with a counting disc (34), and the counting disc (34) is located directly above the reinforcing steel bar conveying mechanism.

7. The numerical control reinforcing bar bending machine according to claim 1, wherein A U-shaped frame (10) is arranged between the fixed cover (9) and the operation display (16), and a vertical proximity switch (11) is arranged on the U-shaped frame (10) and located directly above the reinforcing steel bar conveying mechanism.

8. The numerical control reinforcing bar bending machine according to claim 1, wherein The top side of the cabinet (4) is provided with a horizontal proximity switch (6) matched with the bending assembly.

9. The numerical control reinforcing bar bending machine according to claim 1, wherein The bending assembly comprises a fixed frame (2) fixed on one side of the top of the cabinet (4), the top of the fixed frame (2) is provided with a linear track (3), the linear track (3) is slidably connected with a mounting seat (5), the side top of the mounting seat (5) is fixed with a mounting U-shaped plate (7), the mounting U-shaped plate (7) is bearingly connected with a bending arc modulation wheel (8), the side outer surface of the fixed frame (2) is fixed with a lead screw motor (1), the side output end of the lead screw motor (1) penetrates through the other end of the fixed frame (2) and is connected with a lead screw, the lead screw is provided with a lead screw sliding block, and the lead screw sliding block is connected and fixed with the mounting seat (5).

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