CN212310700U - Double-end hydraulic bending device - Google Patents

Abstract

The utility model discloses a double-end hydraulic pressure bending apparatus, the device include anchor clamps, be equipped with the anchor clamps constant head tank in the anchor clamps, press from both sides tight hydro-cylinder group, compress tightly hydro-cylinder group and elbow hydro-cylinder group, be provided with the reinforcing bar in the anchor clamps constant head tank, the both ends of anchor clamps constant head tank are equipped with limit structure, the reinforcing bar presss from both sides tightly and compresses tightly respectively through pressing from both sides tight hydro-cylinder group, compressing tightly the hydro-cylinder group, and the both ends of reinforcing bar are buckled through elbow hydro-cylinder group, and press from both sides tight hydro-cylinder group, compress tightly hydro-cylinder group and. The utility model has the advantages of simple structure, convenient to use changes the processing technology of traditional single elbow, carries out both ends and bends simultaneously, guarantees that fillet center and angle are unanimous, improves the curved arc shaping efficiency of tip reinforcing bar, realizes the accurate location of reinforcing bar, guarantees the bending quality of reinforcing bar tip, guarantees the accuracy nature of crooked radian, satisfies the requirement of design.

Description

Double-end hydraulic bending device

Technical Field

The utility model relates to a reinforcing bar bended-arc former's field, concretely relates to double-end hydraulic bending device.

Background

The existing reinforcing steel bar bending arc forming equipment is provided with a frame 1 ', a table top 4' is arranged at the upper part of the frame 1 ', a horizontal driving wheel 5' is supported and arranged at the middle part of the table top 4 'through a wheel shaft, a reduction gearbox 3' is fixed below the table top 4 ', an output shaft of the reduction gearbox 3' is in power connection with the wheel shaft of the driving wheel 5 ', a motor 2' is arranged on the frame 1 ', an output shaft of the motor 2' is in power connection with an input shaft of the reduction gearbox 3 ', sliding plates 6' are arranged on slideways of the table top 4 'positioned at two sides of the driving wheel 5', top plates 9 'are fixed on the table top 4' corresponding to two ends of the sliding plates 6 ', adjusting bolts 10' are arranged on the top plates 9 ', and the front ends of the adjusting bolts 10' are propp; the sliding plate 9 'is provided with a plurality of support holes 8' distributed thereon, a driven wheel 7 'with a support shaft is arranged, the support shaft of the driven wheel 7' is inserted into one support hole 8 'in the sliding plate 9', and the outer circumferences of the driving wheel 5 'and the driven wheel 7' are provided with semicircular grooves.

When the existing reinforcing steel bar arc bending machine is used for bending the end of a reinforcing steel bar, the problem of low arc bending efficiency exists due to single-end arc bending, the bending radian is difficult to control, the bending quality of the reinforcing steel bar is unstable, the interference of human factors is large, the bending quality of the reinforcing steel bar is poor, the design requirements are difficult to meet, the great difficulty is brought to reinforcing steel bar welding, and the manufacturing and forming efficiency of a reinforcing steel bar framework is reduced. The reinforcing bar is when carrying out the bending through initiative compression roller and driven compression roller, and the easy upwards run out needs artifical manual the adjustment, puts into the machine again and carries out the bending, has reduced work efficiency. And the reinforcing steel bar is stressed greatly in the next time, and flaw detection workers are easy to operate. Therefore, improvements in the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the double-end hydraulic bending device is provided, two ends are simultaneously bent, the center and the angle of a fillet are ensured to be consistent, and the bending arc forming efficiency of end reinforcing steel bars can be improved.

For realizing the above-mentioned purpose, the utility model provides a double-end hydraulic bending device, which comprises an anchor clamps, be equipped with the anchor clamps constant head tank in the anchor clamps, press from both sides tight oil cylinder group, compress tightly oil cylinder group and elbow oil cylinder group, be provided with the reinforcing bar in the anchor clamps constant head tank, the both ends of anchor clamps constant head tank are equipped with limit structure, the reinforcing bar presss from both sides tightly respectively and compresses tightly through pressing from both sides tight oil cylinder group, compressing tightly oil cylinder group, and the two of reinforcing bar is buckled through elbow oil cylinder group, and presss from both sides tight oil cylinder group, compresses tightly oil cylinder group and elbow oil cylinder group and is.

Further, the clamping oil cylinder group comprises three clamping oil cylinders, namely a first clamping oil cylinder, a second clamping oil cylinder and a third clamping oil cylinder, the first clamping oil cylinder is arranged on the central axis of the clamp, the second clamping oil cylinder and the third clamping oil cylinder are symmetrically arranged on two sides of the first clamping oil cylinder, and the steel bar is clamped through the three clamping oil cylinders.

Furthermore, the pressing oil cylinder group comprises two pressing oil cylinders which are symmetrically arranged on two sides of the second clamping oil cylinder and the third clamping oil cylinder, and two ends of the reinforcing steel bar are pressed tightly through the two pressing oil cylinders.

Further, the elbow oil cylinder group comprises two elbow oil cylinders which are arranged at the two limiting structures, and the two ends of the steel bar are bent through the two elbow oil cylinders.

Furthermore, limit structure includes first fixed axle, second fixed axle, spacing stick and chuck groove, the both ends of reinforcing bar are spacing through the cooperation of first fixed axle, second fixed axle, spacing stick and chuck groove.

Compared with the prior art, the utility model adopts the above technical scheme, the beneficial effect that makes it have is:

1. the device changes the traditional processing technology of a single elbow, realizes simultaneous bending of two ends, ensures the consistency of the center and the angle of a fillet and ensures the precision;

2. the bending forming efficiency of the end reinforcing steel bar is improved, and the precise positioning of the reinforcing steel bar is realized;

3. the bending quality of the end part of the reinforcing steel bar is ensured, the accuracy of the bending radian is ensured, and the design requirement is met;

4. the influence degree of human factors on the bending forming quality of the reinforcing steel bar is reduced, and the quality consistency and integrity of the reinforcing steel bar are ensured;

5. the hydraulic cylinder is adopted to be jacked to the reinforcing steel bars to form a large arc shape, so that the consistency of arcs is ensured, and the bending accuracy and the bending quality of the reinforcing steel bars can be ensured.

Drawings

FIG. 1 is a schematic structural diagram of a prior art reinforcing bar bending arc forming apparatus;

fig. 2 is a front view of a first embodiment of the double-headed hydraulic bending apparatus of the present invention;

fig. 3 is a side view of a first embodiment of the double-headed hydraulic bending apparatus according to the present invention.

Reference is made to the following in corresponding reference numbers in the drawings of the specification:

background art: the device comprises a rack 1 ', a motor 2', a reduction gearbox 3 ', a table top 4', a driving wheel 5 ', a sliding plate 6', a driven wheel 7 ', a support hole 8', a sliding plate 9 'and an adjusting bolt 10';

the specific implementation mode is as follows: the clamp comprises a support 1, a base 2, a steel bar 3, a clamp positioning groove 4, a first clamping oil cylinder 5, a second clamping oil cylinder 6, a third clamping oil cylinder 7, a pressing oil cylinder 8, an elbow oil cylinder 9, a first fixing shaft 10, a second fixing shaft 11, a limiting rod 12 and a clamp groove 13.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

The drawings attached to the present specification, the depicted structures, ratios, sizes, etc. are only used to cooperate with the disclosure of the specification for the understanding and reading of the people skilled in the art, and are not used to limit the practical limit conditions of the present invention, so that they do not have the essential meaning of the technology, and any modification of the structure, change of the ratio relationship, or adjustment of the size should still fall within the scope of the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

The utility model discloses a first embodiment discloses a double-end hydraulic bending device, as shown in fig. 2 and fig. 3, including anchor clamps, anchor clamps include support 1 and base 2, provide operation platform for 3 tip arcs of reinforcing bar, be equipped with anchor clamps constant head tank 4 in the anchor clamps, press from both sides tight oil cylinder group, compress tightly oil cylinder group and elbow oil cylinder group, anchor clamps constant head tank 4 is located in support 1, be provided with reinforcing bar 3 in the anchor clamps constant head tank 4, the both ends of anchor clamps constant head tank 4 are equipped with limit structure, reinforcing bar 3 is through pressing from both sides tight oil cylinder group, it presss from both sides tightly and compresses tightly respectively to compress tightly the oil cylinder group, two of reinforcing bar 3 are buckled through elbow oil cylinder group, and press from both sides tight oil cylinder group, it is hydraulic cylinder to compress.

Specifically, the clamping cylinder group comprises three clamping cylinders, the clamping cylinders are used for clamping the steel bars in the positioning grooves and preventing the steel bars from deviating left and right in the arc bending process, the clamping cylinders are respectively a first clamping cylinder 5, a second clamping cylinder 6 and a third clamping cylinder 7, the first clamping cylinder 5 is arranged on the central axis of the clamp, the second clamping cylinder 6 and the third clamping cylinder 7 are symmetrically arranged on two sides of the first clamping cylinder 5, and the steel bars 3 are clamped through the three clamping cylinders; the compaction oil cylinder group comprises two compaction oil cylinders 8 which are symmetrically arranged at two sides of the second clamping oil cylinder 6 and the third clamping oil cylinder 7, and two ends of the reinforcing steel bar 3 are compacted through the two compaction oil cylinders 8; the elbow oil cylinder group comprises two elbow oil cylinders 9 which are arranged at two limiting structures, and two ends of the steel bar 3 are bent through the two elbow oil cylinders 9.

In addition, the limiting structure comprises a first fixing shaft 10, a second fixing shaft 11, a limiting rod 12 and a chuck groove 13, and two ends of the steel bar 3 are limited through the matching of the first fixing shaft 10, the second fixing shaft 11, the limiting rod 12 and the chuck groove 13.

In the specific use, the steel bar 3 with the large arc bent is placed into the fixture positioning groove 4 through a manipulator, the two ends of the steel bar are limited through the limiting structures, the button is pressed down, the first clamping oil cylinder 5, the second clamping oil cylinder 6 and the third clamping oil cylinder 7 are started, the three clamping oil cylinders work simultaneously to clamp three points of the steel bar 3, and the steel bar is prevented from deviating left and right in the arc bending process; starting the two pressing oil cylinders 8 after a specified time, and automatically pressing the two ends of the steel bar 3; after a certain time, the two elbow oil cylinders 9 work to bend the two ends of the steel bar 3; after pressure maintaining, all the oil cylinders are automatically returned; and finally, taking out the steel bar 3, and putting the steel bar into a checking fixture to confirm whether the center and the angle of the elbow fillet are correct or not. Or the broken steel bar 3 can be placed into the middle chuck groove 13, the limit of the two ends is confirmed to lean against, and the chuck locks the oil cylinder to act and compress.

The utility model discloses the double-end hydraulic pressure bending apparatus of first embodiment, simple structure, convenient to use change the processing technology of traditional single elbow, carry out both ends simultaneously crooked, guarantee that fillet center and angle are unanimous, improve tip reinforcing bar 3's curved arc shaping efficiency, realize reinforcing bar 3's accurate location, guarantee the bending quality of reinforcing bar 3 tip, guarantee the accuracy nature of crooked radian, satisfy the requirement of design.

The utility model discloses a second embodiment discloses a double-end hydraulic bending apparatus's application method, and the second embodiment is the application method of first embodiment, mainly includes following step:

s1: placing the bent large arc-shaped reinforcing steel bars 3 into the fixture positioning grooves 4, and confirming the limiting positions at the two ends;

s2: pressing a button to start three clamping oil cylinders to work, and clamping three points of the steel bar 3 by the three clamping oil cylinders;

s3: then, starting the two pressing oil cylinders 8 to press the two ends of the steel bar 3;

s4: starting the elbow cylinder group to bend the two ends of the steel bar 3;

s5: after pressure maintaining, all the oil cylinders are automatically returned;

s6: and taking out the bent steel bar 3 and putting the steel bar into the checking fixture to confirm whether the center and the angle of the elbow fillet are correct or not.

In addition, the three clamping cylinders, the two pressing cylinders 8 and the two elbow cylinders 9 respectively work simultaneously. After the three clamping cylinders are pressed for a set time, the two pressing cylinders 8 are started, and after the two pressing cylinders 8 are started for a certain time, the two elbow cylinders 9 are started.

Since the second embodiment is a method for using the first embodiment, the beneficial effects of the second embodiment of the present invention are the same as the first embodiment, and are not repeated herein.

The above description has been made of specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.

Claims (5)

1. The double-head hydraulic bending device is characterized by comprising a clamp, wherein a clamp positioning groove, a clamping oil cylinder group, a pressing oil cylinder group and an elbow oil cylinder group are arranged in the clamp, a steel bar is arranged in the clamp positioning groove, limiting structures are arranged at two ends of the clamp positioning groove, the steel bar is respectively clamped and pressed by the clamping oil cylinder group and the pressing oil cylinder group, two ends of the steel bar are bent by the elbow oil cylinder group, and the clamping oil cylinder group, the pressing oil cylinder group and the elbow oil cylinder group are all hydraulic oil cylinders.

2. The double-head hydraulic bending device according to claim 1, wherein the clamping cylinder group comprises three clamping cylinders, namely a first clamping cylinder, a second clamping cylinder and a third clamping cylinder, the first clamping cylinder is arranged on a central axis of the clamp, the second clamping cylinder and the third clamping cylinder are symmetrically arranged on two sides of the first clamping cylinder, and the steel bar is clamped by the three clamping cylinders.

3. The double-headed hydraulic bending device according to claim 2, wherein the pressing cylinder group comprises two pressing cylinders symmetrically arranged on both sides of the second clamping cylinder and the third clamping cylinder, and both ends of the reinforcing steel bar are pressed by the two pressing cylinders.

4. The double-headed hydraulic bending device according to claim 1, wherein the elbow cylinder group comprises two elbow cylinders arranged at the two limiting structures, and two ends of the reinforcing steel bar are bent by the two elbow cylinders.

5. The double-head hydraulic bending device according to claim 4, wherein the limiting structure comprises a first fixing shaft, a second fixing shaft, a limiting rod and a chuck groove, and two ends of the steel bar are limited through the matching of the first fixing shaft, the second fixing shaft, the limiting rod and the chuck groove.

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