CN210231328U - Device for controlling bending angle of steel bar - Google Patents
Device for controlling bending angle of steel bar Download PDFInfo
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- CN210231328U CN210231328U CN201920591287.8U CN201920591287U CN210231328U CN 210231328 U CN210231328 U CN 210231328U CN 201920591287 U CN201920591287 U CN 201920591287U CN 210231328 U CN210231328 U CN 210231328U
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- bending
- pointer
- rotating disc
- steel bar
- angle
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Abstract
The utility model discloses a device for controlling the bending angle of a steel bar, which comprises a circular ring and a pointer; the circle is provided with scales in the circumferential direction, one end of the pointer is rotatably fixed at the axis of a bending rotating disc of the steel bar bending machine, the circle and the bending rotating disc are coaxially and non-rotatably fixed on the steel bar bending machine, the steel bars rotate along with the bending rotating disc around the axis to be bent, the pointer synchronously rotates along with the bending rotating disc, and the other end of the pointer controls the bending angle of the steel bars corresponding to the change of the scales. The utility model discloses an application method is simple, and control bending angle is convenient, can be quicker, accurate with reinforcing bar forward or reverse bend to required angle, can be used to among the reinforcing bar testing, also can be used to in the reinforcing bar construction.
Description
Technical Field
The utility model relates to a crooked processing technology field of reinforcing bar particularly, relates to a device for controlling reinforcing bar bending angle.
Background
With the development of economic construction in China, a large amount of steel bars are needed in the construction of projects such as houses, office buildings, roads and the like. Whether it involves the inspection of the reinforcing bars or the construction of the reinforcing bars involves the bending of the reinforcing bars. The national standard clearly stipulates that the bending test bending angle of the hot-rolled ribbed steel bar is 180 degrees, and the reverse bending test comprises the steps of forward bending for 90 degrees and then reverse bending for 20 degrees. In the construction process of the steel bar, the steel bar is bent into various angles according to the construction requirement. And the bending angle of the steel bar is difficult to control by the traditional steel bar bender.
SUMMERY OF THE UTILITY MODEL
The utility model aims to install the device of control reinforcing bar bending angle on traditional angle bending machine with less cost, the angle of control reinforcing bar bending that can be accurate when the reinforcing bar is crooked.
The utility model discloses a concrete technical scheme as follows:
the device for controlling the bending angle of the steel bar comprises a circular ring 1 and a pointer 2; the circle is provided with scales in the circumferential direction, one end of the pointer is rotatably fixed at the axis of a bending rotating disc of the steel bar bending machine, the circle and the bending rotating disc are coaxially and non-rotatably fixed on the steel bar bending machine, the steel bars rotate along with the bending rotating disc around the axis to be bent, the pointer synchronously rotates along with the bending rotating disc, and the other end of the pointer controls the bending angle of the steel bars corresponding to the change of the scales.
Furthermore, the ring is provided with a scale with the division value of 1 degree and the degree of 0-360 degrees
Furthermore, the extension line of the pointer passes through the axis of the bending rotating disc of the steel bar bender.
Further, the pointer needle point is aligned with the annular scale.
Furthermore, the angle value of the pointer corresponding to the change scale is equal to the bending angle value of the steel bar.
Further, the inner diameter of the circular ring is larger than the radius of the bending rotating disc of the steel bar bender.
Furthermore, the circumference of the circular ring is provided with a stand column, the stand column supports the circular ring, and the stand column is placed in the steel bar bending machine. The utility model discloses an application method is simple, and control bending angle is convenient, can be quicker, accurate with reinforcing bar forward or reverse bend to required angle, can be used to among the reinforcing bar testing, also can be used to in the reinforcing bar construction.
The inner diameter of the circular ring 1 is larger than the radius of a bending rotating disc of the steel bar bending machine, an upright post is arranged in the circumferential direction of the circular ring, the upright post is placed on the steel bar bending machine, and the upright post supports the circular ring 1; the circular ring 1 and the bending rotating disc are coaxially and non-rotatably fixed on the steel bar bending machine, the pointer 2 is fixed on the bending rotating disc of the steel bar bending machine through a screw, steel bars are placed on the steel bar bending machine provided with the circular ring 1 and the pointer 2 and tightly attached to a bending core punch, the scale pointed by the pointer 2 on the circular ring 1 is observed, and the scale pointed by the pointer 2 on the circular ring 1 after the pointer 2 rotates is calculated according to the direction and the angle of the steel bars needing to be bent; starting the rotation direction of the steel bar bender as required to bend the steel bars, and stopping the steel bar bender when the pointer 2 rotates to the scale indicated by the calculation of the ring 1 to finish the bending of the steel bars; the bending angle of the steel bar is accurately controlled.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the ring of the present invention.
Fig. 3 is the utility model discloses a steel bar bending test forward bending implementation demonstration picture.
Fig. 4 is the reverse bending implementation demonstration diagram of the steel bar bending test of the utility model.
Fig. 5 is an illustration showing the implementation of the steel bar bending at any angle in the forward direction.
Fig. 6 is an illustration showing the implementation of any angle of the reverse bending of the reinforcing steel bar of the present invention.
Fig. 7 is a drawing of a bar bender.
Fig. 8 is the utility model discloses with angle bending machine's assembly chart.
Wherein: 1-a circular ring; 2-a pointer; 3-bending the rotating disc; 4-bending the core punch; 5-sample; 6-upright post; 7-a steel bar bender.
Detailed Description
Referring to fig. 1 to 8, an apparatus for controlling a bending angle of a reinforcing bar includes a ring 1 and a pointer 2;
the scale of 0-360 degrees is arranged in the circumferential direction of the circular ring 1, one end of the pointer 2 is rotatably fixed at the axis of the bending rotating disc 3 of the steel bar bending machine 7, the circular ring 1 and the bending rotating disc 3 are coaxially and non-rotatably fixed at the steel bar bending machine 7, the steel bars are bent along with the rotation of the bending rotating disc 3 around the axis, the pointer 2 rotates synchronously along with the bending rotating disc 3, and the other end of the pointer 2 controls the bending angle of the steel bars corresponding to the change of the scale.
The ring 1 is provided with a scale with division value of 1 degree ranging from 0 degree to 360 degrees
The extension line of the pointer 2 passes through the axle center of the bending rotating disc 3 of the steel bar bending machine 7.
The needle point of the pointer 2 is aligned with the scale of the ring 1.
The angle value of the pointer 2 corresponding to the change scale is equal to the bending angle value of the steel bar.
The inner diameter of the circular ring 1 is larger than the radius of the bending rotating disc 3 of the steel bar bender.
The inner diameter of the ring 1 is larger than the radius of the bending rotating disc 3 of the steel bar bender, the column 6 is arranged in the circumferential direction of the ring 1, the column 6 is detachably fixed above the bending rotating disc 3 of the steel bar bender 7, and the column 6 supports the ring 1; the ring 1 and the bending rotating disc 3 are coaxially fixed to the ring 7, and the ring 1 does not rotate along with the rotation of the bending rotating disc 3.
The utility model discloses specific application method as follows:
bending test of the reinforcing bars
(1) As shown in fig. 1 and 3, the ring 1 is fixed to the bar bender 7 to be non-rotatable coaxially with the bending rotary plate, and the pointer 2 is fixed to the bending rotary plate 3 of the bar bender 7 by a screw.
(2) As shown in fig. 1 and 3, a sample 5 is placed on a bar bender 7 with a ring 1 and a pointer 2 mounted thereon, and is pressed against a bending punch 4. The position c of the pointer 2 at this time is recorded. And starting the steel bar bender 7 to rotate the forward needle, and performing forward bending on the sample 5. Observing the position of the pointer 2, when the pointer 2 reaches the position d from the position c by the angle a1 of the required bending of the steel bar being 90 °, the bending tester is stopped. At this time, the sample 5 is bent forward from the position a to the position b at a bending angle a of 90 ° a 1.
(3) As shown in fig. 1 and 4, the sample 5 subjected to forward bending is placed on the bar bender 7 to which the present invention is mounted, and is closely attached to the bending punch 4. The position g of the pointer 2 at this time is recorded. And starting the steel bar bender 7 to rotate the reverse needle, and reversely bending the sample 5. Observing the position of the pointer 2, when the pointer 2 reaches the position h from the position g through the angle B1 of the required bending of the steel bar, the bending tester is stopped. At this time, the sample 5 was bent in the opposite direction from the position e to the position f at a bending angle B of 20 ° B1.
(4) The test piece 5 was removed and the bent portion was observed for cracks and recorded.
When the reinforcing steel bar is positively bent at any angle C, the use method comprises the following steps:
(1) as shown in fig. 1 and 5, the ring 1 is fixed to the bar bender 7 to be non-rotatable coaxially with the bending rotary plate, and the pointer 2 is fixed to the bending rotary plate 3 of the bar bender 7 by a screw.
(2) As shown in fig. 1 and 6, a sample 5 is placed on a bar bender 7 with a ring 1 and a pointer 2 mounted thereon, and is pressed against a bending punch 4. The position m of the pointer 2 at this time is recorded, and the pointer is assigned a scale at the ring 1 at this time. The steel bar is bent along with the rotation of the bending rotating disc 3 around the axis, the pointer 2 synchronously rotates along with the bending rotating disc 3, the sample 5 needs a forward bending angle C, the pointer 2 also needs a forward rotating angle C along with the bending rotating disc 3, the scale pointed by the pointer at the ring 1 after the pointer 2 rotates along with the forward rotating angle C of the bending rotating disc 3 is calculated according to the forward bending angle C needed by the sample 5, and the position n of the pointer 2 pointing to the ring 1 after the forward bending angle C of the sample 5 is calculated; the steel bar bender 7 is started to rotate the forward direction needle, the sample 5 is bent in the forward direction, the position of the pointer 2 pointing to the circular ring 1 is observed, and along with the rotation of the bending rotating disc 3, the steel bar bender 7 is stopped when the pointer 2 reaches the position n from the position m through the angle C of the steel bar required to be bent. The forward bend angle C of the sample 1 is precisely controlled.
(3) Sample 5 was removed.
The use method when the reinforcing steel bar is reversely bent at any angle D is as follows:
(1) as shown in fig. 1 and 6, the ring 1 is fixed to the bar bender 7 to be non-rotatable coaxially with the bending rotary plate, and the pointer 2 is fixed to the bending rotary plate 3 of the bar bender 7 by a screw.
(2) As shown in fig. 1 and 6, a sample 5 is placed on a bar bender 7 with a ring 1 and a pointer 2 mounted thereon, and is pressed against a bending punch 4. The position x of the pointer 2 at this time is recorded, and the pointer is assigned a scale at the circle 1. The steel bar is bent along with the rotation of the bending rotating disc 3 around the axis, the pointer 2 synchronously rotates along with the bending rotating disc 3, the sample 5 needs a reverse bending angle D, the pointer 2 also needs a reverse rotation angle D along with the bending rotating disc 3, the scale of the pointer at the ring 1 after the pointer 2 reversely rotates along with the bending rotating disc 3 is calculated according to the reverse bending angle D needed by the sample 5, and the position of the pointer 2 pointing to the ring 1 is z after the reverse bending angle D of the sample 5 is calculated; and starting the steel bar bender 7 to perform reverse needle rotation, reversely bending the sample 5, observing the position of the pointer 2 pointing to the circular ring 1, and stopping the steel bar bender 7 when the pointer 2 passes through the angle D required for bending the steel bar from the position x to the position z along with the rotation of the bending rotating disc 3. The reverse bend angle D of the test piece 1 is precisely controlled.
(3) Sample 5 was removed.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.
Claims (7)
1. A device for controlling angle of bending of reinforcing bar, its characterized in that: comprises a circular ring and a pointer; the circle is provided with scales in the circumferential direction, one end of the pointer is rotatably fixed at the axis of a bending rotating disc of the steel bar bending machine, the circle and the bending rotating disc are coaxially and non-rotatably fixed on the steel bar bending machine, the steel bars rotate along with the bending rotating disc around the axis to be bent, the pointer synchronously rotates along with the bending rotating disc, and the other end of the pointer controls the bending angle of the steel bars corresponding to the change of the scales.
2. The apparatus for controlling a bending angle of reinforcing bars according to claim 1, wherein: the ring is provided with a scale with the division value of 1 degree ranging from 0 degree to 360 degrees.
3. The apparatus for controlling a bending angle of reinforcing bars according to claim 1, wherein: and the extension line of the pointer passes through the axis of the bending rotating disc of the steel bar bender.
4. The apparatus for controlling a bending angle of reinforcing bars according to claim 1, wherein: the needle point of the pointer is aligned with the annular scale.
5. The apparatus for controlling a bending angle of reinforcing bars according to claim 1, wherein: the change angle value of the pointer corresponding to the scales is equal to the bending angle value of the steel bar.
6. The apparatus for controlling a bending angle of reinforcing bars according to claim 1, wherein: the inner diameter of the circular ring is larger than the outer diameter of the bending rotating disc.
7. The apparatus for controlling a bending angle of reinforcing bars according to claim 1, wherein: the circular ring is provided with a stand column in the circumferential direction, and the stand column can be detachably fixed above a bending rotating disc of the steel bar bending machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920591287.8U CN210231328U (en) | 2019-04-28 | 2019-04-28 | Device for controlling bending angle of steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920591287.8U CN210231328U (en) | 2019-04-28 | 2019-04-28 | Device for controlling bending angle of steel bar |
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| Publication Number | Publication Date |
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| CN210231328U true CN210231328U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920591287.8U Active CN210231328U (en) | 2019-04-28 | 2019-04-28 | Device for controlling bending angle of steel bar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974901A (en) * | 2020-08-03 | 2020-11-24 | 中国一冶集团有限公司 | Labor-saving bending angle-controllable steel bar bending tool and method |
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2019
- 2019-04-28 CN CN201920591287.8U patent/CN210231328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111974901A (en) * | 2020-08-03 | 2020-11-24 | 中国一冶集团有限公司 | Labor-saving bending angle-controllable steel bar bending tool and method |
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