CN216263170U - Automatic steel bar bending machine - Google Patents

Abstract

The utility model discloses an automatic steel bar bending machine, belongs to the technical field of steel bar processing, and is designed for solving the problems of low automation degree and the like in the conventional steel bar bending processing. The automatic bending machine for reinforcing steel bars of the utility model comprises: the front first bending main machine is used for bending one end of the steel bar; the front second bending main machine is used for bending the other end of the steel bar; the receiving mechanism is used for receiving and temporarily storing the reinforcing steel bars; and the front feeding mechanism is used for taking down the steel bars to be bent from the material receiving mechanism and sending the steel bars to the front first bending main machine and the front second bending main machine. The automatic steel bar bender can automatically clamp, transfer and bend steel bars, solves the problem of high labor intensity caused by manual auxiliary feeding, material lifting, material moving and positioning in the prior art, and has the advantages of high automation degree, low labor intensity, safety, reliability and high production efficiency.

Description

Automatic steel bar bending machine

Technical Field

The utility model relates to the technical field of steel bar processing, in particular to an automatic steel bar bending machine.

Background

The reinforcing bars are initially processed to be straight bars, but the reinforcing bars are usually required to be bent in production and use, and even the reinforcing bars are required to be bent to form a plurality of bending angles sometimes.

The existing steel bar bending device can bend steel bars, but the feeding, the discharging, the middle process moving, the positioning and the like are all assisted by operators, the labor intensity is high, potential safety hazards exist, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic steel bar bending machine without assistance of an operator.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an automatic bending machine for reinforcing bars, comprising: the front first bending main machine is used for bending one end of the steel bar; the front second bending main machine is used for bending the other end of the steel bar; the receiving mechanism is used for receiving and temporarily storing the reinforcing steel bars; and the front feeding mechanism is used for taking down the reinforcing steel bars to be bent from the material receiving mechanism and sending the reinforcing steel bars to the front first bending main machine and the front second bending main machine.

In particular, the automatic bending machine for steel bars further comprises: the rear first bending main machine is used for bending one end of the steel bar again after the front side bending main machine finishes processing; the second rear bending main machine is used for bending the other end of the steel bar again after the front side bending main machine finishes processing; when the rear feeding mechanism is arranged on the front first bending host and/or the front second bending host, the rear feeding mechanism is used for taking the reinforcing steel bars to be bent down from the material receiving mechanism and feeding the reinforcing steel bars to the front first bending host and the front second bending host, and after the reinforcing steel bars are bent, the rear feeding mechanism is used for taking the reinforcing steel bars out of the front first bending host and/or the front second bending host and feeding the reinforcing steel bars to the rear first bending host and/or the rear second bending host; when the rear feeding mechanism is arranged on the rear first bending main machine and/or the rear second bending main machine or the rear feeding mechanism is arranged between the rear first bending main machine and the rear second bending main machine, the rear feeding mechanism is used for taking down and sending the steel bars after the front side bending main machine is processed to the rear first bending main machine and the rear second bending main machine, and taking out and sending the steel bars after the rear first bending main machine and the rear second bending main machine are bent to the next procedure.

Particularly, the rear feeding mechanism comprises a front pneumatic clamping mechanism and a rear pneumatic clamping mechanism, and the front pneumatic clamping mechanism is fixedly connected with the rear pneumatic clamping mechanism.

Particularly, the rear pneumatic clamping mechanism comprises a rear clamping slide rail, a translation cylinder, a rear adjusting clamping seat, a rear moving clamping plate, a rear clamping guide shaft and a rear clamping cylinder, an output shaft of the translation cylinder is connected to the rear adjusting clamping seat, the rear moving clamping plate is connected to an output shaft of the rear clamping cylinder, and an accommodating space for storing the reinforcing steel bars is formed between the rear adjusting clamping seat and the rear moving clamping plate.

Particularly, the rear feeding mechanism further comprises a telescopic guide shaft, a front feeding lifting cylinder, a front feeding lifting moving guide seat and a guide block, the telescopic guide shaft penetrates through the guide block, and the telescopic guide shaft, the front feeding lifting cylinder and the guide block are respectively installed on the front feeding lifting moving guide seat.

Especially, preceding first crooked host computer and/or the crooked host computer of preceding second includes crooked reduction gears, bending die, reinforcing bar stock stop, bending shaft and swing arm, bending die is used for fixing to wait to buckle the reinforcing bar, the bending shaft is installed the swing arm, the bending shaft is in can with under the swing arm drives after rotatory angle of settlement the reinforcing bar is buckled into and is set for the bent angle.

Particularly, the front first bending main machine and/or the front second bending main machine further comprise a walking speed reducing motor, a walking support wheel, a follow-up gear, a driving walking gear and a guide bearing.

Particularly, the material receiving mechanism comprises a material receiving fixed seat, a material receiving guide shaft, a material receiving adjusting plate, a spring, a material receiving plate, a material receiving clamping plate, a spring guide shaft and an adjusting shaft, wherein the spring is sleeved on the spring guide shaft; one end of the spring is abutted against the material receiving adjusting plate, the other end of the spring is abutted against the material receiving clamping plate, and the material receiving adjusting plate is connected to the material receiving guide shaft; a material receiving space for accommodating the reinforcing steel bars is formed between the material receiving plate and the material receiving clamping plate; the adjusting shaft connects the material receiving fixing seat with the material receiving adjusting plate together.

Especially, preceding feeding mechanism includes preceding pneumatic clamping mechanism, preceding pay-off removal guide holder, preceding pay-off plays to rise frame, triaxial cylinder, material loading mount, removal guiding axle, follow-up sprocket, chain, drive sprocket and material loading gear motor, drive sprocket installs on material loading gear motor's the output shaft, follow-up sprocket passes through the chain with drive sprocket is connected, preceding pneumatic clamping mechanism installs on the preceding pay-off removal guide holder, preceding pay-off removal guide holder can be followed the removal guiding axle removes, preceding pay-off plays to rise the frame and can drive preceding pneumatic clamping mechanism rises and descends.

Particularly, the front pneumatic clamping mechanism comprises a front clamping seat, a front clamping cylinder, a front clamping guide shaft, a front moving clamping plate and a front fixing clamping plate, the front moving clamping plate is connected to an output shaft of the front clamping cylinder, and an accommodating space for storing the reinforcing steel bars is formed between the front moving clamping plate and the front fixing clamping plate.

The automatic steel bar bending machine comprises a bending main machine, a material receiving mechanism and a front feeding mechanism, can automatically clamp, transfer and bend steel bars, solves the problem of high labor intensity caused by manual auxiliary feeding, material lifting, material moving and positioning in the prior art, and has the advantages of high automation degree, low labor intensity, safety, reliability and high production efficiency.

Drawings

Fig. 1 is a front view of an automatic bending machine for reinforcing bars according to an embodiment of the present invention;

fig. 2 is a top view of an automatic bending machine for reinforcing bars according to an embodiment of the present invention;

FIG. 3 is a front view of a front first mainframe with a bend according to embodiments of the present invention;

FIG. 4 is a top view of a front first bending master according to an embodiment of the present invention;

FIG. 5 is a sectional view taken along line A-A of FIG. 1;

FIG. 6 is a sectional view taken along line B-B of FIG. 1;

FIG. 7 is a sectional view taken along line C-C of FIG. 1;

FIG. 8 is a sectional view taken along line D-D of FIG. 1;

FIG. 9 is a sectional view taken along line E-E in FIG. 1;

fig. 10 is a front view of a receiving mechanism according to an embodiment of the present invention;

fig. 11 is a side view of a receiving mechanism according to an embodiment of the present invention;

fig. 12 is a top view of a receiving mechanism according to an embodiment of the present invention;

FIG. 13 is a front view of a front feed mechanism provided in accordance with an embodiment of the present invention;

FIG. 14 is a top view of a front feed mechanism provided in accordance with an embodiment of the present invention;

FIG. 15 is a side view of a front feed mechanism provided in accordance with an embodiment of the present invention;

FIG. 16 is a front view of a front feed mechanism incorporating a drive mechanism and a rear pneumatic clamping mechanism in accordance with an embodiment of the present invention;

FIG. 17 is a top view of a front feed mechanism with an additional drive mechanism and a rear pneumatic clamping mechanism according to an embodiment of the present invention;

FIG. 18 is a side view of a front feed mechanism incorporating a drive mechanism and a rear pneumatic clamping mechanism in accordance with an embodiment of the present invention;

FIG. 19 is a front view of a front pneumatic clamping mechanism provided in accordance with an embodiment of the present invention;

FIG. 20 is a top view of a front pneumatic clamping mechanism provided in accordance with an embodiment of the present invention;

FIG. 21 is a front view of a rear pneumatic clamping mechanism provided in accordance with an embodiment of the present invention;

FIG. 22 is a top view of a rear pneumatic clamping mechanism provided in accordance with an embodiment of the present invention;

fig. 23 to 37 are schematic views illustrating the operation states of the automatic bending machine for reinforcing bars.

In the figure:

11. a front first bending master; 12. a front second bending main machine; 13. bending the die; 14. a steel bar stock stop; 15. a bending shaft; 16. swinging arms; 21. a rear first bending main machine; 22. a second rear bending main machine; 30. a material receiving mechanism; 31. a material receiving fixing seat; 32. a material receiving guide shaft; 33. a material receiving adjusting plate; 34. a spring; 35. a material receiving plate; 36. a material receiving clamping plate; 37. a spring guide shaft; 38. an adjustment shaft; 39. a material receiving space; 40. a front feeding mechanism; 41. a front feeding moving guide seat; 42. a front feeding lifting frame; 43. a three-axis cylinder; 44. a feeding fixing frame; 45. a movable guide shaft; 46. a follower sprocket; 47. a chain; 48. a drive sprocket; 49. a feeding speed reduction motor; 50. a rear feeding mechanism; 60. a front pneumatic clamping mechanism; 61. a front clamping seat; 62. a front clamping cylinder; 63. a front clamping guide shaft; 64. moving the clamping plate forward; 65. a front fixed clamping plate; 71. a telescopic guide shaft; 72. a front feeding lifting cylinder; 73. the front feeding lifting moving guide seat; 74. a guide block; 80. a rear pneumatic clamping mechanism; 81. the slide rail is clamped at the back; 82. a translation cylinder; 83. a rear adjusting clamping seat; 84. moving the clamping plate backwards; 85. the guide shaft is clamped at the back; 86. a rear clamping cylinder; 100. reinforcing steel bars; 101. a first set of rebars; 102. a second set of rebars; 103. a third set of rebars; 171. a walking speed reducing motor; 172. a traveling support wheel; 173. a follower gear; 174. a driving walking gear; 175. and a guide bearing.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

This embodiment provides a reinforcing bar automatic bending machine. As shown in fig. 1 to 9, the automatic steel bar bender includes a first bending host 11, a second bending host 12, a material receiving mechanism 30 and a front feeding mechanism 40, wherein the first bending host 11 is configured to bend one end of a steel bar 100, the second bending host 12 is configured to bend the other end of the steel bar 100, the material receiving mechanism 30 is configured to receive and temporarily store the steel bar 100, and the front feeding mechanism 40 is configured to take down the steel bar 100 to be bent from the material receiving mechanism 30 and feed the steel bar 100 to the first bending host 11 and the second bending host 12. In order to improve the processing efficiency, a plurality of reinforcing bars 100 may be stacked and bent at the same time.

Through setting up receiving mechanism 30, preceding feeding mechanism 40, preceding first crooked host computer 11 and preceding second crooked host computer 12, realize that the self-holding of reinforcing bar 100 transports and crooked, solved the problem that needs artifical supplementary material loading and lift the material, move the intensity of labour that the material location leads to big among the prior art, degree of automation is high, low in labor strength, safe and reliable, production efficiency is high.

On the basis of the structure, the automatic steel bar bending machine further comprises a rear first bending main machine 21, a rear second bending main machine 22 and a rear feeding mechanism 50, wherein the rear first bending main machine 21 is used for bending one end of the steel bar 100 processed by the front side bending main machine again, and the rear second bending main machine 22 is used for bending the other end of the steel bar 100 processed by the front side bending main machine again.

The rear feeding mechanism 50 has different functions according to different installation positions, and specifically, when the rear feeding mechanism 50 is arranged on the front first bending main machine 11 and/or the front second bending main machine 12, the rear feeding mechanism 50 can take down the reinforcing steel bar 100 to be bent from the material receiving mechanism 30 and send the reinforcing steel bar 100 to the front first bending main machine 11 and the front second bending main machine 12; after the bending of the steel bar 100 is completed, the rear feeding mechanism 50 takes out the steel bar 100 from the front first bending main unit 11 and/or the front second bending main unit 12 and feeds the steel bar 100 to the rear first bending main unit 21 and the rear second bending main unit 22. That is, when the rear feeding mechanism 50 is provided on the front first bending main machine 11 and/or the front second bending main machine 12, the front feeding mechanism 40 functions.

When the rear feeding mechanism 50 is disposed on the rear first bending main machine 21 and/or the rear second bending main machine 22, or the rear feeding mechanism 50 is disposed between the rear first bending main machine 21 and the rear second bending main machine 22, the rear feeding mechanism 50 is configured to take down the steel bar 100 after the front first bending main machine 11 and the front second bending main machine 12 are completely processed from the front first bending main machine 11 and the front second bending main machine 12 and send the steel bar 100 to the rear first bending main machine 21 and the rear second bending main machine 22, and take out the steel bar 100 after the rear first bending main machine 21 and the rear second bending main machine 22 are completely bent and send the steel bar 100 to a next process.

The specific arrangement positions of the front first bending main unit 11, the front second bending main unit 12, the rear first bending main unit 21 and the rear second bending main unit 22 are not limited, and the connection and bending processing of the reinforcing steel bar 100 can be realized. Preferably, in the conveying direction of the reinforcing bars 100, the front first bending main unit 11 and the front second bending main unit 12 are disposed at the front, the rear first bending main unit 21 and the rear second bending main unit 22 are disposed at the rear, and the rear first bending main unit 21 and the rear second bending main unit 22 are disposed between the front first bending main unit 11 and the front second bending main unit 12, respectively. The reinforcing steel bar 100 is subjected to first bending processing at the front first bending main machine 11 and the front second bending main machine 12, and is subjected to second bending processing at the rear first bending main machine 21 and the rear second bending main machine 22, so that the processing efficiency is high, and multiple bends can be formed on the reinforcing steel bar 100.

In order to improve the application range of the automatic steel bar bender, the front first bending main machine 11, the front second bending main machine 12, the rear first bending main machine 21 and the rear second bending main machine 22 are preferably installed on a rail chassis provided with a transmission mechanism, the front first bending main machine 11, the front second bending main machine 12, the rear first bending main machine 21 and the rear second bending main machine 22 can move linearly under the driving of the transmission mechanism, so that the distance between the front first bending main machine 11 and the front second bending main machine 12 and the distance between the rear first bending main machine 21 and the rear second bending main machine 22 are changed, the distance between two bending parts on the steel bar 100 can be changed according to the use requirement, and the processing requirements of the steel bars 100 with various specifications can be met.

The specific shape of the transmission mechanism is not limited, and the transmission mechanism can be a combined structure of a gear and a rack, a combined structure of a chain wheel and a chain, a combined structure of a conveyor belt and a belt wheel, and other forms of existing transmission mechanisms.

The transmission mechanism preferably includes a travel reduction motor 171, a travel support wheel 172, a follower gear 173, a drive travel gear 174, and a guide bearing 175, and the follower gear 173 and the drive travel gear 174 are connected via a rack (not shown) therebetween.

The main structures of the front first bending main unit 11, the front second bending main unit 12, the rear first bending main unit 21 and the rear second bending main unit 22 are the same, the front first bending main unit 11 and the front second bending main unit 12 are arranged back to back, and the rear first bending main unit 21 and the rear second bending main unit 22 are arranged back to back.

As shown in fig. 3 and 4, the front first bending main machine 11, the front second bending main machine 12, the rear first bending main machine 21 and/or the rear second bending main machine 22 include a bending speed reduction mechanism (not shown), a bending mold 13, a steel bar stock stop 14, a bending shaft 15 and a swing arm 16, the bending mold 13 is used for fixing a steel bar 100 to be bent, the bending shaft 15 is installed on the swing arm 16, and the bending shaft 15 is driven by the swing arm 16 to rotate around the bending mold 13 by a set angle so as to bend the steel bar 100 into a set bending angle.

The outer circumference radius of the bending die 13 determines the bending radius of the steel bar 100, and in order to meet various requirements, a group of bending dies 13 with different outer circumference radii can be designed for replacement, so that the bending radius of the steel bar 100 can be changed.

As shown in fig. 10 to 12, the material receiving mechanism 30 includes a material receiving fixing seat 31, a material receiving guide shaft 32, a material receiving adjusting plate 33, a spring 34, a material receiving plate 35, a material receiving clamping plate 36, a spring guide shaft 37 and an adjusting shaft 38, wherein the spring 34 is sleeved on the spring guide shaft 37. One end of the spring 34 is abutted against the material receiving adjusting plate 33, the other end is abutted against the material receiving clamping plate 36, and a material receiving space 39 for accommodating the reinforcing steel bars 100 is formed between the material receiving plate 35 and the material receiving clamping plate 36. The compression-shaped spring 34 can apply thrust to the material receiving clamping plate 36, so that the material receiving clamping plate 36 and the material receiving plate 35 clamp the reinforcing steel bars 100 together, and accidental sliding of the reinforcing steel bars 100 in the temporary storage and transportation processes is avoided.

The adjusting shaft 38 connects the material receiving fixing seat 31 and the material receiving adjusting plate 33 together, the material receiving adjusting plate 33 is connected to the material receiving guide shaft 32, and the distance between the material receiving adjusting plate 33 and the material receiving plate 35 can be changed through the adjusting shaft 38 so as to adapt to the use requirements of reinforcing steel bars 100 with various diameters; the material receiving guide shaft 32 enables the material receiving adjusting plate 33 to move more smoothly, so that the material receiving adjusting plate 33 is prevented from being stuck in the moving process due to the deflection of the material receiving adjusting plate 33.

As shown in fig. 13 to 15, the front feeding mechanism 40 includes a front pneumatic clamping mechanism 60, a front feeding moving guide base 41, a front feeding lifting frame 42, a three-axis cylinder 43, a feeding fixing frame 44, a moving guide shaft 45, a follower sprocket 46, a chain 47, a drive sprocket 48, and a feeding reduction motor 49. The driving chain wheel 48 is mounted on the output shaft of the feeding speed reducing motor 49, the following chain wheel 46 is connected with the driving chain wheel 48 through the chain 47, the feeding speed reducing motor 49 can drive the driving chain wheel 48 to rotate, the driving chain wheel 48 drives the following chain wheel 46 to synchronously rotate through the chain 47, and therefore the front feeding moving guide seat 41 is driven to move along the extending direction of the chain 47 (moving guide shaft 45). The front pneumatic clamping mechanism 60 is arranged on the front feeding moving guide seat 41 through a front feeding lifting frame 42 and a three-axis cylinder 43, and the front feeding moving guide seat 41 can move along the moving guide shaft 45 to realize the horizontal movement of the front pneumatic clamping mechanism 60; the front feeding lifting frame 42 can drive the front pneumatic clamping mechanism 60 to lift and fall, so that the front pneumatic clamping mechanism 60 can vertically move.

The structure of the rear feeding mechanism 50 is similar to that of the front feeding mechanism 40, as shown in fig. 16 to 18, except that the rear feeding mechanism 50 further includes a rear pneumatic clamping mechanism 80, and the rear pneumatic clamping mechanism 80 is fixedly connected to the front pneumatic clamping mechanism 60. When the reinforcing steel bars 100 are clamped on the front pneumatic clamping mechanism 60 and the rear pneumatic clamping mechanism 80 at the same time, the rear pneumatic clamping mechanism 80 and the front pneumatic clamping mechanism 60 which are fixedly connected together can simultaneously convey the respective reinforcing steel bars 100 to the specified positions after synchronous motion, so that the reinforcing steel bars 100 can be synchronously conveyed by the bending main machines (the front first bending main machine 11 and the front second bending main machine 12) on the front side and the bending main machines (the rear first bending main machine 21 and the rear second bending main machine 22) on the rear side, the energy consumption is low, and the working efficiency is high.

The specific manner of the front feeding and lifting frame 42 driving the front pneumatic clamping mechanism 60 to ascend and descend is not limited, preferably, the rear feeding mechanism 50 further includes a telescopic guide shaft 71, a front feeding and lifting cylinder 72 and a front feeding and lifting moving guide seat 73, the telescopic guide shaft 71, the front feeding and lifting cylinder 72 and the front feeding and lifting frame 42 are respectively mounted on the front feeding and lifting moving guide seat 73, and the output end of the front feeding and lifting cylinder 72 can drive the front feeding and lifting frame 42 to ascend and descend.

Two telescopic guide shafts 71 are symmetrically arranged on two sides of the front feeding lifting cylinder 72, a guide block 74 is arranged on the front feeding lifting moving guide seat 73, and the telescopic guide shafts 71 are arranged in the guide block 74 in a penetrating mode. When the front feeding lifting cylinder 72 drives the front feeding lifting frame 42 to lift, the telescopic guide shaft 71 moves up and down in the guide block 74, so that the front feeding lifting frame 42 can move along a straight line, and the front feeding lifting frame 42 is prevented from being inclined in the lifting process.

On the basis of the above structure, as shown in fig. 19 and 20, the front pneumatic clamping mechanism 60 preferably includes a front clamping base 61, a front clamping cylinder 62, a front clamping guide shaft 63, a front moving clamping plate 64 and a front fixing clamping plate 65, the front moving clamping plate 64 is connected to an output shaft of the front clamping cylinder 62, and an accommodating space for storing the reinforcing bars 100 is formed between the front moving clamping plate 64 and the front fixing clamping plate 65. The extension length of the output shaft of the front clamping cylinder 62 is adjusted according to the diameter of the steel bar 100, so that the width between the front movable clamping plate 64 and the front fixed clamping plate 65 is adjusted, the steel bars 100 entering the space between the front movable clamping plate 64 and the front fixed clamping plate 65 are vertically arranged in a pile, and any two or more steel bars 100 are prevented from being arranged in a row in the horizontal direction.

As shown in fig. 21 and 22, the rear pneumatic clamping mechanism 80 operates on a similar principle to the front pneumatic clamping mechanism 60, and preferably, the rear pneumatic clamping mechanism 80 includes a rear clamping slide rail 81, a translation cylinder 82, a rear adjusting clamping seat 83, a rear moving clamping plate 84, a rear clamping guide shaft 85, and a rear clamping cylinder 86, an output shaft of the translation cylinder 82 is connected to the rear adjusting clamping seat 83, the rear moving clamping plate 84 is connected to an output shaft of the rear clamping cylinder 86, and an accommodating space for storing the reinforcing bars 100 is formed between the rear adjusting clamping seat 83 and the rear moving clamping plate 84.

Fig. 23 to 37 show the operation of the automatic bending machine, and in order to embody the transportation and processing of the reinforcing bars 100 at various stages, the following description will distinguish the reinforcing bars 100 using the first set of reinforcing bars 101, the second set of reinforcing bars 102, and the third set of reinforcing bars 103, respectively.

Fig. 23 shows a ready state, in which the first set of reinforcing bars 101 are placed at the edge of the receiving plate 35 of the receiving mechanism 30, the edge is an inclined surface, and the first set of reinforcing bars 101 can slide into the receiving space 39 of the receiving mechanism 30 along the inclined surface. Fig. 23 is a cross-sectional view at the same position and the same view as fig. 5, and it can be understood that the first set of reinforcing bars 101 is now across the edges of the material receiving plates 35 of all the material receiving mechanisms 30 between the front first bending main unit 11 and the front second bending main unit 12.

Fig. 24 and 25 show that all the steel bars of the first set of steel bars 101 enter the receiving space 39 of the receiving mechanism 30, all the steel bars of the first set of steel bars 101 are arranged in a pile, the compressed spring 34 applies a pushing force to the receiving clamping plate 36, and the receiving clamping plate 36 and the receiving plate 35 clamp the first set of steel bars 101 together.

Fig. 26 shows that the front pneumatic clamping mechanism 60 of the front feeding mechanism 40 and the front pneumatic clamping mechanism 60 of the rear feeding mechanism 50 disposed on the front second bending master 12 are simultaneously lifted upwards, the accommodating space between the front movable clamping plate 64 and the front fixed clamping plate 65 holds the first set of reinforcing bars 101, and the front pneumatic clamping mechanism 60 clamps the first set of reinforcing bars 101. As shown in fig. 27, the force of the front pneumatic clamping mechanism 60 lifting up exceeds the clamping force of the spring 34 on the first set of reinforcing bars 101, so that the front pneumatic clamping mechanism 60 on the front second bending main machine 12 lifts up the first set of reinforcing bars 101, and the first set of reinforcing bars 101 are separated from the receiving space 39 of the receiving mechanism 30.

Fig. 28 and 29 show that the front pneumatic clamping mechanism 60 moves toward the bending die 13 of the second bending master 12 in the horizontal direction until the first set of reinforcing bars 101 is conveyed to a position directly above the bending die 13, and the movement of the front pneumatic clamping mechanism 60 is stopped.

Fig. 30 shows the front pneumatic clamping mechanism 60 lowered to place the first set of rebar 101 into the bending die 13. As shown in fig. 31, the front pneumatic clamping mechanism 60 releases the first set of rebar 101 and continues to fall, with the first set of rebar 101 all disengaging the front pneumatic clamping mechanism 60.

Fig. 32 shows the front pneumatic clamping mechanism 60 being reset to await receipt of a second set of rebars 102; the swing arm 16 drives the bending shaft 15 to swing to bend the first set of steel bars 101. To more clearly illustrate the bending process, fig. 32 shows one half (right half) of the automatic steel bar bending machine, which is also simultaneously bending the left ends of the first set of steel bars 101.

Fig. 33 shows that after the first set of reinforcing bars 101 are bent, the front pneumatic clamping mechanism 60 of the front feeding mechanism 40 clamps and lifts the second set of reinforcing bars 102, the front pneumatic clamping mechanism 60 of the rear feeding mechanism 50 disposed on the front second bending main machine 12 also clamps and lifts the second set of reinforcing bars 102, and the rear pneumatic clamping mechanism 80 of the rear feeding mechanism 50 fixed together with the front pneumatic clamping mechanism 60 clamps and lifts the first set of reinforcing bars 101.

Fig. 34 shows the front pneumatic clamping mechanism 60 and the rear pneumatic clamping mechanism 80 moving horizontally synchronously, the front pneumatic clamping mechanism 60 transporting the second set of rebar 102 directly over the bending die 13 of the front second bending master 12, and the rear pneumatic clamping mechanism 80 transporting the first set of rebar 101 directly over the bending die 13 of the rear second bending master 22.

The front pneumatic clamping mechanism 60 drops, the second set of rebar 102 is snapped into the bending die 13 of the front second bending master 12, and the front pneumatic clamping mechanism 60 releases the second set of rebar 102 and continues to drop until the second set of rebar 102 disengages the front pneumatic clamping mechanism 60. The rear pneumatic clamping mechanism 80 falls synchronously, the first set of steel bars 101 are clamped into the bending die 13 of the rear second bending main machine 22, and the rear pneumatic clamping mechanism 80 releases the first set of steel bars 101 and continues to fall until the first set of steel bars 101 are separated from the rear pneumatic clamping mechanism 80.

Fig. 35 shows that the front pneumatic clamping mechanism 60 of the front feeding mechanism 40 is reset, the front pneumatic clamping mechanism 60 and the rear pneumatic clamping mechanism 80 of the rear feeding mechanism 50 are reset together, the bending die 13 of the front second bending main machine 12 bends the second set of steel bars 102, and the bending die 13 of the rear second bending main machine 22 bends the first set of steel bars 101 again.

Fig. 36 shows the front pneumatic clamping mechanism 60 of the front feeding mechanism 40 and the rear feeding mechanism 50 of the front second bending master 12, wherein the front pneumatic clamping mechanism 60 synchronously lifts and clamps the third set of reinforcing bars 103, and the rear pneumatic clamping mechanism 80 of the rear feeding mechanism 50 synchronously lifts and clamps the second set of reinforcing bars 102; the front pneumatic clamping mechanism 60 of the rear feeding mechanism 50 on the rear second bending main machine 22 lifts and clamps the second set of reinforcing bars 102, and the rear pneumatic clamping mechanism 80 of the rear feeding mechanism 50 on the rear second bending main machine 22 synchronously lifts and clamps the first set of reinforcing bars 101. All the front pneumatic clamping mechanisms 60 and the rear pneumatic clamping mechanisms 80 are lifted continuously, so that the third group of steel bars 103 are separated from the material receiving space 39 of the material receiving mechanism 30, the second group of steel bars 102 are separated from the bending die 13 of the front second bending main machine 12, and the first group of steel bars 101 are separated from the bending die 13 of the rear second bending main machine 22.

Fig. 37 shows that the front pneumatic clamping mechanism 60 of the front feeding mechanism 40, the front pneumatic clamping mechanism 60 and the rear pneumatic clamping mechanism 80 of the rear feeding mechanism 50 of the front second bending main machine 12, and the front pneumatic clamping mechanism 60 and the rear pneumatic clamping mechanism 80 of the rear feeding mechanism 50 of the rear second bending main machine 22 synchronously move horizontally until the third set of reinforcing steel bars 103 are fed into the bending mold 13 of the front second bending main machine 12, the second set of reinforcing steel bars 102 are fed into the bending mold 13 of the rear second bending main machine 22, and the first set of reinforcing steel bars 101 are fed into the next process.

The above steps are repeated to perform the continuous automatic bending process of the reinforcing bar 100.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. An automatic bending machine for reinforcing bars, comprising:

the first front bending main machine (11) is used for bending one end of the steel bar (100);

the front second bending main machine (12) is used for bending the other end of the steel bar (100);

the receiving mechanism (30) is used for receiving and temporarily storing the reinforcing steel bars (100); and the number of the first and second groups,

and the front feeding mechanism (40) is used for taking down the reinforcing steel bars (100) to be bent from the material receiving mechanism (30) and sending the reinforcing steel bars to the front first bending main machine (11) and the front second bending main machine (12).

2. The automatic steel bar bending machine according to claim 1, further comprising:

the rear first bending main machine (21) is used for bending one end of the steel bar (100) again after the front side bending main machine is processed;

the rear second bending main machine (22) is used for bending the other end of the steel bar (100) again after the front side bending main machine is processed; and the number of the first and second groups,

the rear feeding mechanism (50) is used for taking down the reinforcing steel bars (100) to be bent from the material receiving mechanism (30) and sending the reinforcing steel bars (100) to the front first bending host (11) and the front second bending host (12) when the rear feeding mechanism (50) is arranged on the front first bending host (11) and/or the front second bending host (12), and the rear feeding mechanism (50) is used for taking out the reinforcing steel bars (100) from the front first bending host (11) and/or the front second bending host (12) and sending the reinforcing steel bars (100) to the rear first bending host (21) and/or the rear second bending host (22) after the bending of the reinforcing steel bars (100) is finished; when the rear feeding mechanism (50) is arranged on the rear first bending main machine (21) and/or the rear second bending main machine (22), or the rear feeding mechanism (50) is arranged between the rear first bending main machine (21) and the rear second bending main machine (22), the rear feeding mechanism (50) is used for taking down the steel bar (100) after the front bending main machine is processed, sending the steel bar to the rear first bending main machine (21) and the rear second bending main machine (22), and taking out the steel bar (100) after the rear first bending main machine (21) and the rear second bending main machine (22) are bent, and sending the steel bar to the next procedure.

3. The automatic bending machine for reinforcing steel bars according to claim 2, characterized in that said rear feeding mechanism (50) comprises a front pneumatic clamping mechanism (60) and a rear pneumatic clamping mechanism (80), said front pneumatic clamping mechanism (60) being fixedly connected with said rear pneumatic clamping mechanism (80).

4. The automatic steel bar bending machine according to claim 3, wherein the rear pneumatic clamping mechanism (80) comprises a rear clamping slide rail (81), a translation cylinder (82), a rear adjusting clamping seat (83), a rear moving clamping plate (84), a rear clamping guide shaft (85) and a rear clamping cylinder (86), an output shaft of the translation cylinder (82) is connected to the rear adjusting clamping seat (83), the rear moving clamping plate (84) is connected to an output shaft of the rear clamping cylinder (86), and an accommodating space for storing the steel bars (100) is formed between the rear adjusting clamping seat (83) and the rear moving clamping plate (84).

5. The automatic steel bar bending machine according to claim 3, wherein the rear feeding mechanism (50) further comprises a telescopic guide shaft (71), a front feeding and lifting cylinder (72), a front feeding and lifting moving guide seat (73) and a guide block (74), the telescopic guide shaft (71) is arranged in the guide block (74) in a penetrating manner, and the telescopic guide shaft (71), the front feeding and lifting cylinder (72) and the guide block (74) are respectively arranged on the front feeding and lifting moving guide seat (73).

6. The automatic steel bar bending machine according to claim 1, wherein the front first bending main machine (11) and/or the front second bending main machine (12) comprises a bending speed reduction mechanism, a bending die (13), a steel bar material stopping mechanism (14), a bending shaft (15) and a swing arm (16), the bending die (13) is used for fixing the steel bar (100) to be bent, the bending shaft (15) is mounted on the swing arm (16), and the bending shaft (15) can bend the steel bar (100) into a set bending angle after being driven by the swing arm (16) to rotate for a set angle.

7. The automatic bending machine for steel bars according to claim 6, characterized in that said front first bending main machine (11) and/or said front second bending main machine (12) further comprise a walking speed reduction motor (171), a walking support wheel (172), a follower gear (173), a driving walking gear (174) and a guide bearing (175).

8. The automatic steel bar bending machine according to any one of claims 1 to 7, wherein the receiving mechanism (30) comprises a receiving fixing seat (31), a receiving guide shaft (32), a receiving adjusting plate (33), a spring (34), a receiving plate (35), a receiving clamping plate (36), a spring guide shaft (37) and an adjusting shaft (38), and the spring (34) is sleeved on the spring guide shaft (37); one end of the spring (34) is abutted against the material receiving adjusting plate (33) and the other end of the spring is abutted against the material receiving clamping plate (36), and the material receiving adjusting plate (33) is connected to the material receiving guide shaft (32); a material receiving space (39) for accommodating the reinforcing steel bars (100) is formed between the material receiving plate (35) and the material receiving clamping plate (36); the adjusting shaft (38) connects the material receiving fixing seat (31) and the material receiving adjusting plate (33) together.

9. The automatic bending machine for reinforcing bar according to any one of claims 1 to 7, the front feeding mechanism (40) comprises a front pneumatic clamping mechanism (60), a front feeding moving guide seat (41), a front feeding lifting frame (42), a three-shaft cylinder (43), a feeding fixing frame (44), a moving guide shaft (45), a follow-up chain wheel (46), a chain (47), a driving chain wheel (48) and a feeding speed reducing motor (49), the driving chain wheel (48) is arranged on an output shaft of the feeding speed reducing motor (49), the follow-up chain wheel (46) is connected with the driving chain wheel (48) through the chain (47), the front pneumatic clamping mechanism (60) is arranged on the front feeding moving guide seat (41), the front feeding moving guide seat (41) can move along the moving guide shaft (45), the front feeding lifting frame (42) can drive the front pneumatic clamping mechanism (60) to lift and fall.

10. The automatic bending machine for reinforcing steel bars according to claim 9, characterized in that the front pneumatic clamping mechanism (60) comprises a front clamping seat (61), a front clamping cylinder (62), a front clamping guide shaft (63), a front moving clamping plate (64) and a front fixed clamping plate (65), the front moving clamping plate (64) is connected to an output shaft of the front clamping cylinder (62), and an accommodating space for storing the reinforcing steel bars (100) is formed between the front moving clamping plate (64) and the front fixed clamping plate (65).

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