Steel bar bending equipment

Abstract

The present invention discloses a steel bar bending device, belonging to the technical field of steel bar bending devices, and is designed to solve the problems such as high cost of existing steel bar bending devices. The steel bar bending device of the present invention includes a motor, a double-groove pulley, a first large pulley, a second large pulley and a pressing device. The pressing device is used to make the first connecting belt tightly sleeved between the first large pulley and the double-groove pulley, and the first large pulley can rotate synchronously with the double-groove pulley; or is used to make the second connecting belt tightly sleeved between the second large pulley and the double-groove pulley, and the second large pulley can rotate synchronously with the double-groove pulley. When the first large pulley of the steel bar bending device of the present invention rotates synchronously with the double-groove pulley, the walking of the steel bar bending device can be realized, and when the second large pulley rotates synchronously with the double-groove pulley, the bending of the steel bar can be realized. Using the same motor to control the walking and bending of the steel bar bending device respectively is more convenient to use, easy to maintain, has low processing cost, high production efficiency and low labor intensity of operators.

Description

Technical Field

[0001] The present invention relates to the technical field of steel bar bending devices, and particularly to a vertical numerically controlled steel bar bending equipment. Background Art

[0002] In the construction fields of infrastructure such as bridges, highways, and subways, a large number of steel bars of different specifications and forms are required. In order to process steel bars that meet the design requirements, steel bar bending equipment is needed to bend the steel bars.

[0003] In order to more widely adapt to the working site, in addition to having the function of bending steel bars, the steel bar bending equipment also needs to be able to move and shift. The existing steel bar bending equipment is controlled by dual power for walking and bending respectively, with high cost and low production efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide a steel bar bending equipment with low cost and high production efficiency.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] A steel bar bending equipment, comprising: a motor; a double-groove pulley installed on the output shaft of the motor; a first large pulley connected to a walking assembly, with a first connecting belt sleeved on the outer circumference of the first large pulley and one groove of the double-groove pulley; a second large pulley connected to a bending assembly, with a second connecting belt sleeved on the outer circumference of the second large pulley and the other groove of the double-groove pulley; and a pressing device for tightening the first connecting belt between the first large pulley and the double-groove pulley, so that the first large pulley can rotate synchronously with the double-groove pulley; or for tightening the second connecting belt between the second large pulley and the double-groove pulley, so that the second large pulley can rotate synchronously with the double-groove pulley.

[0007] In particular, the pressing device includes a first pressing wheel, a second pressing wheel, a pressing cylinder, and a pressing wheel seat. The first pressing wheel and the second pressing wheel are respectively installed on the pressing wheel seat, and the pressing wheel seat drives the first pressing wheel to press on the first connecting belt or drives the second pressing wheel to press on the second connecting belt under the drive of the pressing cylinder.

[0008] In particular, the pressing wheel seat is in a Y shape, including a first support rod, a second support rod, and a driving rod respectively connected to the middle of the wheel seat. The middle of the wheel seat is hinged on the mounting seat. The first pressing wheel is arranged on the first support rod, the second pressing wheel is arranged on the second support rod, and the output end of the pressing cylinder is connected to the driving rod. The pressing cylinder can drive the whole pressing wheel seat to rotate around the axis of the middle of the wheel seat through the driving rod.

[0009] In particular, the first connecting belt and / or the second connecting belt is a V-shaped belt.

[0010] In particular, the traveling assembly includes a traveling mounting shaft connected to the first large pulley, a traveling sprocket sleeved on the traveling mounting shaft and fixedly connected to the first large pulley, and a braking device mounted on the traveling sprocket.

[0011] In particular, the traveling assembly further includes a traveling chain cooperating with the traveling sprocket and two tensioning sprockets respectively disposed on both sides of the traveling sprocket, and both ends of the traveling chain are fixedly connected to the frame.

[0012] In particular, the traveling assembly further includes a traveling chassis and track bearings disposed on both sides of the traveling chassis.

[0013] In particular, the bending assembly includes a speed reducer whose input shaft is connected to the second large pulley, a swing arm connected to the output shaft of the speed reducer, a telescopic cylinder fixedly mounted on the swing arm, a bending shaft connected to the output end of the telescopic cylinder, and a central shaft for cooperating with the bending shaft to bend the steel bar. The swing arm includes a pipe structure provided with a slot hole, and the bending shaft is partially inserted into the swing arm through the slot hole.

[0014] In particular, the traveling assembly includes a traveling chassis, and the central shaft is disposed on the traveling chassis.

[0015] In particular, the motor is a servo motor.

[0016] When the pressing device of the steel bar bending equipment of the present invention presses on the first connecting belt, the first connecting belt is sleeved tightly between the first large pulley and the double-slot pulley, and the first large pulley can rotate synchronously with the double-slot pulley to realize the traveling of the steel bar bending equipment; when the pressing device presses on the second connecting belt, the second connecting belt is sleeved tightly between the second large pulley and the double-slot pulley, and the second large pulley can rotate synchronously with the double-slot pulley, thereby realizing the bending of the steel bar. Using the same motor to control the traveling and bending of the steel bar bending equipment respectively is more convenient to use, has a more compact structure, a high degree of automation, is convenient for maintenance, has a low processing cost, a high production efficiency, and a low labor intensity of the operator. Description of the Drawings

[0017] Figure 1 is the front view of the steel bar bending equipment provided by the specific embodiment of the present invention;

[0018] Figure 2 is the top view of the steel bar bending equipment provided by the specific embodiment of the present invention;

[0019] Figure 3It is the right view of the steel bar bending equipment provided by the specific embodiment of the present invention;

[0020] Figure 4 It is the left view of the steel bar bending equipment provided by the specific embodiment of the present invention.

[0021] In the figure:

[0022] 1. Motor; 2. Double-groove pulley; 8. Frame; 31. First large pulley; 32. Second large pulley; 41. First connecting belt; 42. Second connecting belt; 51. First pressing wheel; 52. Second pressing wheel; 53. Pressing cylinder; 54. Pressing wheel seat; 61. Walking mounting shaft; 62. Walking sprocket; 63. Braking device; 64. Walking chain; 65. Tensioning sprocket; 66. Walking chassis; 67. Track bearing; 71. Reducer; 72. Swing arm; 73. Telescopic cylinder; 74. Bending shaft; 75. Central shaft; 541. First support rod; 542. Second support rod; 543. Middle part of the wheel seat; 544. Driving rod. Specific embodiment

[0023] The technical solution of the present invention will be further described below with reference to the accompanying drawings and through specific embodiments.

[0024] This embodiment discloses a steel bar bending equipment, preferably a numerically controlled vertical steel bar bending equipment. As Figures 1 to 4 shown, the steel bar bending equipment includes a motor 1, a double-groove pulley 2, a first large pulley 31, a second large pulley 32 and a pressing device. Among them, the motor 1 is a servo motor; the double-groove pulley 2 is installed on the output shaft of the motor 1; the first large pulley 31 is connected to the walking assembly, and the first connecting belt 41 is sleeved on the outer periphery of the first large pulley 31 and one groove of the double-groove pulley 2; the second large pulley 32 is connected to the bending assembly, and the second connecting belt 42 is sleeved on the outer periphery of the second large pulley 32 and the other groove of the double-groove pulley 2; the first connecting belt 41 and the second connecting belt 42 are preferably V-shaped belts, and the transmission effect is good; the pressing device can press on the first connecting belt 41 or press on the second connecting belt 42.

[0025] When the pressing device presses on the first connecting belt 41, the first connecting belt 41 is tightened between the first large pulley 31 and the double-groove pulley 2, and the first large pulley 31 can rotate synchronously with the double-groove pulley 2 to realize the walking of the walking chassis 66; when the pressing device presses on the second connecting belt 42, the second connecting belt 42 is tightened between the second large pulley 32 and the double-groove pulley 2, and the second large pulley 32 can rotate synchronously with the double-groove pulley 2, so as to realize the bending of the steel bar (not shown). That is, using the same motor 1 to control the walking and bending of the steel bar bending equipment respectively is more convenient to use, the structure is more compact, the automation degree is high, the maintenance is convenient, the processing cost is low, the production efficiency is high, and the labor intensity of the operator is low.

[0026] Preferably, the pressing device includes a first pressing wheel 51, a second pressing wheel 52, a pressing cylinder 53 and a pressing wheel seat 54. The first pressing wheel 51 and the second pressing wheel 52 are respectively installed on the pressing wheel seat 54. The pressing wheel seat 54 drives the first pressing wheel 51 to press on the first connecting belt 41 or drives the second pressing wheel 52 to press on the second connecting belt 42 under the drive of the pressing cylinder 53.

[0027] The specific structure of the pressing wheel seat 54 is not limited. Preferably, the pressing wheel seat 54 is Y-shaped and includes a first support rod 541, a second support rod 542, a middle part of the wheel seat 543 and a driving rod 544. The middle part of the wheel seat 543 is located in the middle of the whole pressing wheel seat 54. The first support rod 541, the second support rod 542 and the driving rod 544 are respectively connected to the outer periphery of the middle part of the wheel seat 543. The middle part of the wheel seat 543 is hinged to the mounting seat. The first pressing wheel 51 is arranged on the first support rod 541, the second pressing wheel 52 is arranged on the second support rod 542, and the output end of the pressing cylinder 53 is connected to the driving rod 544.

[0028] When the telescopic shaft of the pressing cylinder 53 extends or retracts, it can drive the driving rod 544 to rotate around the axis of the middle part of the wheel seat 543, so that the whole pressing wheel seat 54 rotates around the axis of the middle part of the wheel seat 543. When the telescopic shaft of the pressing cylinder 53 extends, the first pressing wheel 51 presses on the first connecting belt 41, and the first large pulley 31 rotates synchronously with the double-groove pulley 2 to realize the walking of the walking chassis 66. When the telescopic shaft of the pressing cylinder 53 retracts, the second pressing wheel 52 presses on the second connecting belt 42, and the second large pulley 32 can rotate synchronously with the double-groove pulley 2, so as to realize the bending of the steel bar.

[0029] On the basis of the above structure, the walking assembly preferably includes a walking mounting shaft 61 connected to the first large pulley 31, a walking sprocket 62 sleeved on the walking mounting shaft 61 and fixedly connected to the first large pulley 31, a braking device 63 installed on the walking sprocket 62, a walking chain 64 matched with the walking sprocket 62, two tensioning sprockets 65 respectively arranged on both sides of the walking sprocket 62, a walking chassis 66, and track bearings 67 arranged on both sides of the walking chassis 66. Among them, both ends of the walking chain 64 are respectively fixed to both ends of the machine frame 8; the walking mounting shaft 61 passes through the through hole of the middle part of the wheel seat 543, and a hinge is formed between the two, and the middle part of the wheel seat 543 can rotate around the walking mounting shaft 61; the track bearings 67 can improve the walking stability of the steel bar bending equipment.

[0030] On the basis of the above structure, the bending assembly preferably includes a speed reducer 71 whose input shaft is connected to the second large pulley 32, a swing arm 72 connected to the output shaft of the speed reducer 71, a telescopic cylinder 73 fixedly installed on the swing arm 72, a bending shaft 74 connected to the output end of the telescopic cylinder 73, and a central shaft 75 for cooperating with the bending shaft 74 to bend the steel bar. Among them, the central shaft 75 is arranged on the walking chassis 66; the swing arm 72 includes a pipe structure provided with a slot hole, and the bending shaft 74 partially passes through the swing arm 72 through the slot hole, so that it can stretch inside the swing arm 72.

[0031] The working process of this steel bar bending equipment:

[0032] Place the steel bar at the bending position; start the motor 1, the motor 1 drives the double-slot pulley 2 to rotate, the first pressing wheel 51 presses on the first connecting belt 41 and the second pressing wheel 52 disengages from the second connecting belt 42. At this time, the motor 1 only drives the first large pulley 31 to rotate through the double-slot pulley 2, and the first large pulley 31 drives the walking sprocket 62 to rotate. Under the action of the tensioning sprocket 65, the walking sprocket 62 walks along the walking chain 64, thereby driving the walking chassis 66 (i.e., the main machine chassis) to move to the working position; start the braking device 63, and at the same time, the telescopic shaft of the pressing cylinder 53 retracts, the first pressing wheel 51 disengages from the first connecting belt 41 and the second pressing wheel 52 presses on the second connecting belt 42. At this time, the motor 1 only drives the second large pulley 32 to rotate through the double-slot pulley 2, and the second large pulley 32 drives the swing arm 72 and the bending shaft 74 to rotate, realizing the bending of the steel bar.

[0033] When it is necessary to bend the steel bar in the reverse direction, retract the telescopic cylinder 73 to make the bending shaft 74 rotate above the steel bar, and then extend the telescopic cylinder 73 to bend the steel bar in the reverse direction.

[0034] Note that the above is only the preferred embodiment of the present invention and the technical principles applied. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described here, and various obvious changes, re-adjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments. Without departing from the concept of the present invention, it can also include more other equivalent embodiments, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A steel bar bending device, characterized in that, it comprises: a motor (1); a double-groove pulley (2), installed on the output shaft of the motor (1); a first large pulley (31), connected to the traveling assembly, and a first connecting belt (41) is sleeved on the outer periphery of the first large pulley (31) and one groove of the double-groove pulley (2); a second large pulley (32), connected to the bending assembly, and a second connecting belt (42) is sleeved on the outer periphery of the second large pulley (32) and the other groove of the double-groove pulley (2); and, a pressing device, used to make the first connecting belt (41) be tightened between the first large pulley (31) and the double-groove pulley (2), and the first large pulley (31) can rotate synchronously with the double-groove pulley (2); or used to make the second connecting belt (42) be tightened between the second large pulley (32) and the double-groove pulley (2), and the second large pulley (32) can rotate synchronously with the double-groove pulley (2); the bending assembly includes a speed reducer (71) whose input shaft is connected to the second large pulley (32), a swing arm (72) connected to the output shaft of the speed reducer (71), a telescopic cylinder (73) fixedly installed on the swing arm (72), a bending shaft (74) connected to the output end of the telescopic cylinder (73), and a central shaft (75) used to cooperate with the bending shaft (74) to bend the steel bar. The swing arm (72) includes a pipe structure provided with a slot hole, and the bending shaft (74) partially passes through the swing arm (72) through the slot hole; the pressing device includes a first pressing wheel (51), a second pressing wheel (52), a pressing cylinder (53) and a pressing wheel seat (54). The first pressing wheel (51) and the second pressing wheel (52) are respectively installed on the pressing wheel seat (54), and the pressing wheel seat (54) drives the first pressing wheel (51) to press on the first connecting belt (41) or drives the second pressing wheel (52) to press on the second connecting belt (42) under the drive of the pressing cylinder (53); the pressing wheel seat (54) is in a Y shape, and includes a first support rod (541), a second support rod (542) and a driving rod (544) respectively connected to the middle part (543) of the wheel seat. The middle part (543) of the wheel seat is hinged to the mounting seat. The first pressing wheel (51) is arranged on the first support rod (541), the second pressing wheel (52) is arranged on the second support rod (542), the output end of the pressing cylinder (53) is connected to the driving rod (544), and the pressing cylinder (53) can drive the whole pressing wheel seat (54) to rotate around the axis of the middle part (543) of the wheel seat through the driving rod (544); the traveling assembly includes a traveling mounting shaft (61) connected to the first large pulley (31), and a traveling sprocket (62) sleeved on the traveling mounting shaft (61) and fixedly connected to the first large pulley (31); The walking assembly further includes a walking chain (64) that cooperates with the walking sprocket (62), and both ends of the walking chain (64) are respectively fixed to the machine frame (8).

2. The steel bar bending device according to claim 1, characterized in that, the first connecting belt (41) and / or the second connecting belt (42) is a V-belt.

3. The steel bar bending device according to claim 1, characterized in that, the walking assembly further includes a braking device (63) installed on the walking sprocket (62).

4. The steel bar bending device according to claim 3, characterized in that, the walking assembly further includes two tensioning sprockets (65) respectively arranged on both sides of the walking sprocket (62).

5. The steel bar bending device according to claim 3, characterized in that, the walking assembly further includes a walking chassis (66) and track bearings (67) arranged on both sides of the walking chassis (66).

6. The steel bar bending device according to claim 1, characterized in that, the walking assembly includes a walking chassis (66), and the central shaft (75) is arranged on the walking chassis (66).

7. The steel bar bending device according to claim 1, characterized in that, the motor (1) is a servo motor.

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