CN211915311U

CN211915311U - Steel bar bender

Info

Publication number: CN211915311U
Application number: CN201922453925.2U
Authority: CN
Inventors: 王浩; 肖书浩; 肖星; 李勋海
Original assignee: Yongming Group Co ltd
Current assignee: Yongming Group Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-11-13
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a steel bar bender, rotate including workstation and level and set up work disc, fixed connection on the workstation in the backup pad of workstation and drive work disc pivoted actuating mechanism, the up end of work disc and the up end of backup pad are in same horizontal plane, be provided with the core pin axle on the work disc and the round pin axle that bends, the axis of core pin axle and the axis coincidence of work disc, the round pin axle that bends and the eccentric settings of work disc, the vertical supporting pin axle that is provided with in the backup pad forms the standing groove that supplies to place the reinforcing bar between supporting pin axle, core pin axle and the round pin axle that bends, and supporting pin axle and the round pin axle that bends lie in same one side of reinforcing bar, the workstation is provided with the setting element of the tip butt of waiting to bend with the reinforcing bar. The utility model discloses have the reinforcing bar of conveniently treating bending and fix a position, guarantee the effect of bending.

Description

Steel bar bender

Technical Field

The utility model belongs to the technical field of the reinforcing bar processing technique and specifically relates to a steel bar bender is related to.

Background

A steel bar bender and a steel bar processing machine. As shown in fig. 1, a steel bar bender is commonly available on the market, and includes a workbench 1 and a work tray 2 horizontally rotatably disposed on the workbench 1, the work tray 2 rotates via a motor, a supporting pin is fixed on the workbench 1, a central pin 21 and a bending pin 22 are mounted on the work tray 2, the central pin 21 is disposed at the center of the work tray 2, the bending pin 22 and the central pin 21 are eccentrically disposed, a steel bar is placed between the supporting pin, the central pin 21 and the bending pin 22, the supporting pin and the bending pin 22 are disposed at the same side of the steel bar, and the steel bar is bent when the work tray 2 rotates. In order to bend reinforcing bars of various diameters, several holes are made in the work plate 2 for inserting the bending pins 22, and the central pins 21 of different diameters can be replaced accordingly.

The above prior art solutions have the following drawbacks: the machine tool is not provided with a mechanism for positioning the reinforcing steel bars, and the positions of the reinforcing steel bars cannot be fixed, so that when a batch of reinforcing steel bars are bent in batches, the positions of the reinforcing steel bars are positioned only by the intuition of an operator, on one hand, the operator is inconvenient to operate, the working efficiency is influenced, and on the other hand, the processed reinforcing steel bars are easy to have different shapes.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a steel bar bender, its advantage lies in conveniently treating the reinforcing bar of bending and fixes a position, guarantees the effect of bending.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a steel bar bender, includes that workstation, level rotate and set up workstation, fixed connection on the workstation in the backup pad of workstation and drive workstation pivoted actuating mechanism, the up end of workstation and the up end of backup pad are in same horizontal plane, be provided with the core pin axle on the workstation and the round pin axle that bends, the axis of core pin axle and the axis coincidence of workstation, the round pin axle that bends and the eccentric settings of workstation, the vertical supporting pin axle that is provided with in the backup pad forms the standing groove that supplies to place the reinforcing bar between supporting pin axle, core pin axle and the round pin axle that bends, and supporting pin axle and the round pin axle that bends lie in same one side of reinforcing bar, the workstation is provided with the setting element of the tip butt of waiting to bend with the reinforcing bar.

Through adopting the technical scheme, in using the utility model discloses a steel bar bender when bending to the reinforcing bar, at first place the reinforcing bar in the standing groove, the lower perisporium butt of reinforcing bar in the up end of backup pad and working disc, guarantee that the reinforcing bar level is placed and carry out the bending operation on the workstation, and make the tip butt of treating bending of reinforcing bar on the setting element, thereby make the reinforcing bar fill of placing at every turn in the standing groove can obtain the same location, in the time of bending a batch of reinforcing bar like this, on the one hand, the reinforcing bar after having processed is difficult for appearing the phenomenon that the shape differs, guarantee the crooked quality of reinforcing bar, on the other hand, need not the operator and rely on the position of feeling going every reinforcing bar of location, and work efficiency is improved.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a set up the setting element, including the setting element, the setting element is in the setting element, the setting element is including sliding connection in the first sliding block of first spout, fixed connection are in the locating piece of the up end of first sliding block and the first drive assembly that the first sliding block of drive slided, the working disc is located between backup pad and the first spout, the tip butt of bending is treated with the reinforcing bar to the side that is close to the working disc of locating piece.

Through adopting above-mentioned technical scheme, first drive assembly drive first sliding block slides along first spout extending direction to change the position of locating piece, make the angle bending machine to the different positions of reinforcing bar crooked, enlarge angle bending machine's application range.

The present invention may be further configured in a preferred embodiment as: first drive assembly stretches out in the outside first regulation lead screw of workstation and the first adjusting hand wheel of fixed connection in first regulation lead screw and be located the workstation outside including rotating to be connected in first spout inner wall and part, the axis direction of first regulation lead screw is parallel with the extending direction of first spout, first sliding block is provided with and supplies first regulation lead screw to wear to establish and threaded connection in the screw hole of first regulation lead screw.

Through adopting above-mentioned technical scheme, when the reinforcing bar to different batches is crooked, the operator realizes the rotation of first regulation lead screw through rotating first adjusting hand wheel to realize sliding of first sliding block, it is convenient quick.

The present invention may be further configured in a preferred embodiment as: the side of the positioning block close to the working disc is provided with a groove extending along the width direction of the working table, a rotating roller assembly is arranged in the groove and comprises a roller shaft vertically penetrating through the groove and detachably connected to the positioning block and a rotating wheel arranged in the groove and coaxially rotating to be sleeved on the roller shaft, the axis direction of the steel bar is parallel to the length direction of the working table, the end part of the steel bar to be bent abuts against the circumferential surface of the rotating wheel, and the axis of the steel bar and the axis of the rotating wheel are positioned on the same vertical surface.

By adopting the technical scheme, the rotating wheel is arranged, so that the friction force generated by the steel bar and the positioning block when the steel bar is bent is effectively reduced, the abrasion of the steel bar to the positioning block is effectively reduced, and the service life of the positioning block is prolonged; the roller shaft and the positioning block can be detachably connected, so that the rotating wheels with different specifications can be conveniently replaced when reinforcing steel bars with different diameters are subjected to bending operation.

The present invention may be further configured in a preferred embodiment as: the rotating wheel is a rubber wheel.

Through adopting above-mentioned technical scheme, the rotation wheel is the rubber tyer setting, further reduces the noise that reinforcing bar and rotation wheel friction produced.

The present invention may be further configured in a preferred embodiment as: the backup pad is provided with the hold-down mechanism who compresses tightly the reinforcing bar.

Through adopting above-mentioned technical scheme, the backup pad sets up the hold-down mechanism that compresses tightly the reinforcing bar, prevents effectively that the reinforcing bar from taking place the displacement and beating when crooked, on the one hand, improves bending accuracy and guarantees crooked effect, and on the other hand prevents that the reinforcing bar atress from taking place to beat and breaks away from the standing groove, gets rid of the potential safety hazard of angle bending machine when the bending operation.

The present invention may be further configured in a preferred embodiment as: hold-down mechanism is including connecting in the cylinder of "L" type fixed plate, vertical setting and fixed connection in the fixed plate of backup pad up end and fixed connection in order to carry out the pressure strip that compresses tightly to the reinforcing bar in the piston rod tip of cylinder, and the cylinder body fixed connection of cylinder sets up down in the shorter limit of fixed plate, the piston rod of cylinder, the lower terminal surface of pressure strip seted up with reinforcing bar assorted draw-in groove.

Through adopting above-mentioned technical scheme, set up the fixed plate and provide the installation base member for the cylinder, place the reinforcing bar on the standing groove, make it wait to bend the tip butt behind the perisporium of rotating wheel, start the cylinder, the piston rod extension of cylinder, the draw-in groove butt of pressure strip in the reinforcing bar perisporium, the realization is to the function that compresses tightly of reinforcing bar.

The present invention may be further configured in a preferred embodiment as: and anti-skid grains are arranged in the clamping grooves.

Through adopting above-mentioned technical scheme, be provided with anti-skidding line in the draw-in groove, increase the frictional force between reinforcing bar and the pressure strip, prevent effectively that the reinforcing bar from producing length direction's motion in bending process, guarantee reinforcing bar bending accuracy and bending effect.

To sum up, the utility model discloses a following at least one useful technological effect:

when the steel bar bender is used for bending steel bars, the steel bars are firstly placed in the placing groove, the lower peripheral wall of each steel bar is abutted to the upper end faces of the supporting plate and the working disc, the steel bars are horizontally placed on the working table for bending operation, the end portions to be bent of the steel bars are abutted to the positioning piece, and therefore the steel bar buckets placed in the placing groove at each time can be positioned the same, so that when a batch of steel bars are bent, on one hand, the processed steel bars are not prone to different shapes, the bending quality of the steel bars is ensured, on the other hand, an operator does not need to position each steel bar by feeling, and the working efficiency is improved;

the first driving assembly drives the first sliding block to slide along the extending direction of the first sliding chute, so that the position of the positioning block is changed, the reinforcing steel bar bender can bend different positions of the reinforcing steel bar, and the application range of the reinforcing steel bar bender is expanded;

the backup pad sets up the hold-down mechanism that compresses tightly the reinforcing bar, prevents effectively that the reinforcing bar from taking place the displacement and beating when the bending, on the one hand, improves bending precision and guarantees crooked effect, and on the other hand prevents that the reinforcing bar atress from taking place to beat and breaks away from the standing groove, gets rid of the potential safety hazard of angle bending machine when the bending operation.

Drawings

Fig. 1 is a schematic structural view of a bar bender in the background art;

fig. 2 is a schematic structural view of a steel bar bender in an embodiment;

FIG. 3 is an exploded view of the locating block and the rotating roller assembly of the embodiment;

fig. 4 is a schematic structural view of the fixing plate in the embodiment.

In the figure, 1, a workbench; 11. a first chute; 2. a working plate; 21. a center pin; 22. bending the pin shaft; 3. a support plate; 31. supporting the pin shaft; 32. a second chute; 4. a positioning member; 41. a first slider; 411. a threaded hole; 42. positioning blocks; 421. grooving; 43. a first drive assembly; 431. a first adjusting screw; 432. a first adjusting hand wheel; 44. rotating the roller assembly; 441. a roll shaft; 442. a rotating wheel; 5. a hold-down mechanism; 51. a fixing plate; 511. a second slider; 52. a cylinder; 53. a compression plate; 531. a card slot; 532. anti-skid lines; 54. a second drive assembly; 541. a second adjusting screw; 542. a second adjusting hand wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 2, for the utility model discloses a steel bar bender, including workstation 1, the level of horizontal setting rotate set up workstation 2 on workstation 1, vertically set up and fixed connection in the backup pad 3 of workstation 1 and drive workstation 2 pivoted actuating mechanism. The up end of working disc 2 and the up end of backup pad 3 are in same horizontal plane, be provided with king pin 21 and bending pin 22 on the working disc 2, the axis of king pin 21 and the axis coincidence of working disc 2, bending pin 22 and working disc 2 eccentric settings, vertical bracing pin 31 that is provided with on the backup pad 3, bracing pin 31, form the standing groove that supplies to place the reinforcing bar between king pin 21 and the bending pin 22, bracing pin 31 and bending pin 22 are located the same one side of reinforcing bar, the axis direction of reinforcing bar is parallel with the length direction of workstation 1. The driving mechanism is usually implemented by a motor and a reducer or a cam and a cylinder, and will not be described in detail (not shown).

As shown in fig. 2 and 3, the upper end surface of the working table 1 is provided with a first sliding groove 11 extending along the length direction of the steel bar, and the working plate 2 is located between the supporting plate 3 and the first sliding groove 11. The workbench 1 is provided with a positioning element 4 abutted to the end portion to be bent of the steel bar, and the positioning element 4 comprises a first sliding block 41 connected to the first sliding groove 11 in a sliding manner, a positioning block 42 fixedly connected to the upper end surface of the first sliding block 41, and a first driving assembly 43 driving the first sliding block 41 to slide. The first driving assembly 43 includes a first adjusting screw 431 rotatably connected to an inner wall of the first sliding groove 11 and partially extending out of the workbench 1, and a first adjusting hand wheel 432 fixedly connected to the first adjusting screw 431 and located outside the workbench 1, an axial direction of the first adjusting screw 431 is parallel to an extending direction of the first sliding groove 11, and the first sliding block 41 is provided with a threaded hole 411 through which the first adjusting screw 431 passes and is in threaded connection with the first adjusting screw 431.

The side surface of the positioning block 42 close to the working disc 2 is provided with a slot 421 extending along the width direction of the working table 1, and a rotating roller assembly 44 is arranged in the slot 421. The rotating roller assembly 44 comprises a roller shaft 441 vertically penetrating through the slot 421 and detachably connected to the positioning block 42, and a rotating wheel 442 arranged in the slot 421 and coaxially rotatably sleeved on the roller shaft 441, wherein the axial direction of the steel bar is parallel to the length direction of the workbench 1, the end part of the steel bar to be bent abuts against the circumferential surface of the rotating wheel 442, and the axial line of the steel bar and the axial line of the rotating wheel 442 are located on the same vertical plane. The roller shaft 441 is detachably connected with the positioning block 42, so that the rotating wheels 442 with different specifications can be conveniently replaced when reinforcing steel bars with different diameters are bent.

As shown in fig. 2 and 4, the supporting plate 3 is provided with a pressing mechanism 5 for pressing the reinforcing steel bars, and the pressing mechanism 5 includes an inverted "L" -shaped fixing plate 51 slidably connected to the upper end surface of the supporting plate 3 in the longitudinal direction, a cylinder 52 vertically arranged and fixedly connected to the fixing plate 51, a pressing plate 53 fixedly connected to the end of the piston rod of the cylinder 52 for pressing the reinforcing steel bars, and a second driving assembly 54 for driving the fixing plate 51 to slidably move. The cylinder body fixed connection of cylinder 52 is in the shorter limit of fixed plate 51, and the piston rod of cylinder 52 sets up downwards, and the lower terminal surface of pressure strip 53 seted up along reinforcing bar length direction extend and with reinforcing bar assorted draw-in groove 531, be provided with anti-skidding line 532 in the draw-in groove 531 and prevent effectively that the reinforcing bar from producing length direction's motion in bending process, simultaneously, anti-skidding line 532 is opposite with the line on the reinforcing bar, makes its antiskid effect reach the optimization. In the initial state, the piston rod of the air cylinder 52 is in a contracted state.

The upper end face of backup pad 3 is provided with and extends second spout 32 along the length direction of backup pad 3, the lower terminal surface of the longer board of fixed plate 51 is provided with the second sliding block 511 that slides and connects in second spout 32, second drive assembly 54 is including rotating to connect in second spout 32 inner wall and partly stretch out in the outside second of workstation 541 and the second adjusting hand wheel 542 that is fixedly connected in second adjusting screw 541 and is located the outside of workstation 1, the axis direction of second adjusting screw 541 is parallel with the extending direction of second spout 32, second adjusting screw 541 threads are worn to locate second sliding block 511. The second adjusting hand wheel 542 is rotated to realize the sliding of the fixing plate 51, and the adjustment is carried out according to different production working conditions, so that the economic benefit is improved.

The implementation process of the embodiment is as follows: before the steel bar bender is used for bending steel bars, the second adjusting handwheel 542 is rotated to adjust the relative position of the pressing plate 53 and the placing groove, then the steel bars are placed in the placing groove, the lower peripheral wall of the steel bars is abutted against the upper end faces of the supporting plate 3 and the working disc 2, the steel bars are horizontally placed on the workbench 1 to be bent, the end parts of the steel bars to be bent are abutted against the circumferential face of the rotating wheel 442, the air cylinder 52 is started, the piston rod of the air cylinder 52 is extended to force the pressing block to descend, the clamping grooves 531 are abutted against the upper circumferential face of the steel bars, the driving mechanism drives the working disc 2 to rotate to perform bending operation, so that the steel bar buckets placed in the placing groove at each time can obtain the same positioning, and when a batch of steel bars are bent, on one hand, the phenomenon of different shapes of the processed steel bars is not easy to occur, the bending quality of the, the operator does not need to rely on the feeling to position the position of each steel bar, and the working efficiency is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a steel bar bender which characterized in that: comprises a workbench (1), a working disc (2) horizontally and rotatably arranged on the workbench (1), a supporting plate (3) fixedly connected with the workbench (1) and a driving mechanism for driving the working disc (2) to rotate, the upper end surface of the working disc (2) and the upper end surface of the supporting plate (3) are positioned on the same horizontal plane, a central pin shaft (21) and a bending pin shaft (22) are arranged on the working disc (2), the axis of the central pin shaft (21) is superposed with the axis of the working disc (2), the bending pin shaft (22) and the working disc (2) are eccentrically arranged, a supporting pin shaft (31) is vertically arranged on the supporting plate (3), a placing groove for placing the reinforcing steel bar is formed among the supporting pin shaft (31), the center pin shaft (21) and the bending pin shaft (22), the supporting pin shaft (31) and the bending pin shaft (22) are positioned on the same side of the reinforcing steel bar, the workbench (1) is provided with a positioning piece (4) which is abutted against the end part of the steel bar to be bent; the supporting plate (3) is provided with a pressing mechanism (5) for pressing the reinforcing steel bars.

2. A bar bender according to claim 1, wherein: first spout (11) that extend along reinforcing bar length direction are seted up to the up end of workstation (1), setting element (4) including slide connect in locating piece (42) of the up end of first spout (11), fixed connection in first sliding block (41) and first drive assembly (43) that drive first sliding block (41) slided, working disc (2) are located between backup pad (3) and first spout (11), the tip butt of bending is treated with the reinforcing bar to the side that is close to working disc (2) of locating piece (42).

3. A bar bender according to claim 2, wherein: the first driving assembly (43) comprises a first adjusting screw rod (431) which is rotatably connected to the inner wall of the first sliding groove (11) and partially extends out of the outer portion of the workbench (1) and a first adjusting hand wheel (432) which is fixedly connected to the first adjusting screw rod (431) and located on the outer portion of the workbench (1), the axis direction of the first adjusting screw rod (431) is parallel to the extending direction of the first sliding groove (11), and the first sliding block (41) is provided with a threaded hole (411) for the first adjusting screw rod (431) to penetrate through and to be in threaded connection with the first adjusting screw rod (431).

4. A bar bender according to claim 2 or 3, wherein: the side face, close to the working disc (2), of the positioning block (42) is provided with a groove (421) extending along the width direction of the working table (1), a rotating roller assembly (44) is arranged in the groove (421), the rotating roller assembly (44) comprises a roller shaft (441) vertically penetrating through the groove (421) and detachably connected to the positioning block (42) and a rotating wheel (442) arranged in the groove (421) and coaxially rotatably sleeved on the roller shaft (441), the axis direction of a steel bar is parallel to the length direction of the working table (1), the end portion, to be bent, of the steel bar abuts against the circumferential face of the rotating wheel (442), and the axis of the steel bar and the axis of the rotating wheel (442) are located on the same vertical face.

5. A bender according to claim 4, wherein: the rotating wheel (442) is a rubber wheel.

6. A bar bender according to claim 1, wherein: hold-down mechanism (5) including connecting in "L" type fixed plate (51) of falling of backup pad (3) up end, vertical setting and fixed connection in cylinder (52) of fixed plate (51) and fixed connection in the pressure strip (53) of the piston rod tip of cylinder (52) in order to compress tightly the reinforcing bar, the cylinder body fixed connection of cylinder (52) is in the shorter side of fixed plate (51), and the piston rod of cylinder (52) sets up down, the lower terminal surface of pressure strip (53) seted up with reinforcing bar assorted draw-in groove (531), during initial condition, the piston rod of cylinder (52) is in the contraction state.

7. A bender according to claim 6, wherein: and anti-skid grains (532) are arranged in the clamping groove (531).