CN111299455A - Portable bidirectional steel bar bending machine - Google Patents
Portable bidirectional steel bar bending machine Download PDFInfo
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- CN111299455A CN111299455A CN202010145053.8A CN202010145053A CN111299455A CN 111299455 A CN111299455 A CN 111299455A CN 202010145053 A CN202010145053 A CN 202010145053A CN 111299455 A CN111299455 A CN 111299455A
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- arc
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- rod
- steel bar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F1/00—Bending wire other than coiling; Straightening wire
- B21F1/004—Bending wire other than coiling; Straightening wire by means of press-type tooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to a bending machine, in particular to a portable bidirectional steel bar bending machine. The invention provides a convenient bidirectional steel bar bender capable of adjusting the bending direction when a steel bar is bent. A portable bidirectional steel bar bender comprises a mounting plate, wherein the top of the mounting plate is fixedly connected with a connecting shaft, and the top of the connecting shaft is hinged with a handle rod; the push rod is fixedly connected to the bottom of the handle rod; the arc-shaped push plate is fixedly connected to the bottom of the push rod and used for bending the steel bars; and the clamping device is arranged between the handle bar and the mounting plate and is used for clamping the reinforcing steel bars. The steel bar bending device can fix the steel bar to be bent through the clamping assembly during operation, and after the steel bar to be bent is fixed, the steel bar can be bent through the matching operation of the push rod and the arc-shaped push plate, so that the effect of bending the steel bar is achieved.
Description
Technical Field
The invention relates to a bending machine, in particular to a portable bidirectional steel bar bending machine.
Background
The steel bar is steel for reinforced concrete and prestressed reinforced concrete, the cross section of the steel bar is circular, sometimes is square with a fillet, and comprises plain steel bar, ribbed steel bar and twisted steel bar, the steel bar for reinforced concrete is straight bar or wire rod-shaped steel for reinforced concrete reinforcement, the shape of the steel bar is divided into plain steel bar and deformed steel bar, the delivery state is straight bar and wire rod, the steel bar needs to be bent when being used at the characteristic position of a construction site, and the steel bar is used after being bent.
Through retrieval, a patent with an authorized patent publication number of CN109570390A discloses a reinforcing bar bending machine for construction. The technical problem is as follows: the utility model provides a can make more convenient buckle the reinforcing bar of people, need not to avoid being cut with the reinforcing bar contact to can also prevent that the reinforcing bar from removing the reinforcing bar and influencing the reinforcing bar crib crimper for building of buckling. The technical scheme of the invention is as follows: a reinforcing bar bending machine for buildings comprises a bottom plate, supporting legs, a first arc-shaped plate, a second arc-shaped plate, an n-shaped sleeve, a guide rod, a pedal and fastening bolts. The above patents suffer from the following disadvantages: when bending, the steel bar can be bent only towards the fixed direction, and when bending, if the bending angle is too large, the device needs to be taken down again for adjustment, so that the device can be continuously operated to bend the steel bar, and the requirements of people cannot be met.
Disclosure of Invention
In order to overcome the defects that the steel bar can only be bent towards a fixed direction when the steel bar is bent, and the device can be continuously operated to bend the steel bar only by taking down and adjusting the device again if the bending angle is too large when the steel bar is bent, the invention has the technical problems that: the portable bidirectional steel bar bender is capable of adjusting the bending direction when a steel bar is bent.
The technical scheme is as follows: a portable bidirectional steel bar bender comprises a mounting plate, wherein the top of the mounting plate is fixedly connected with a connecting shaft, and the top of the connecting shaft is hinged with a handle rod; the push rod is fixedly connected to the bottom of the handle rod; the arc-shaped push plate is fixedly connected to the bottom of the push rod and used for bending the steel bars; and the clamping device is arranged between the handle bar and the mounting plate and is used for clamping the reinforcing steel bars.
Further, the clamping device comprises two first arc-shaped clamping plates for clamping the reinforcing steel bars, two T-shaped sliding rods, a sliding frame, first racks, sliding springs, gears, a strong torsion spring and a reset torsion spring, the two first arc-shaped clamping plates are respectively hinged and connected to two sides of the bottom of the mounting plate, the two T-shaped sliding rods are arranged in two ways and respectively connected to two sides of the mounting plate in a sliding manner, the T-shaped sliding rods on two sides are respectively matched with the first arc-shaped clamping plates on two sides, the sliding frame is connected between the tops of the two T-shaped sliding rods and is arranged on two sides, the first racks are respectively connected to two inner walls on two sides of the sliding frame in a sliding manner, the tops of the first racks can penetrate through the top of the sliding frame, the bottoms of the first racks are blocked by the sliding frame, the sliding springs are connected between the first racks and the sliding frame, the gears on the two sides are respectively meshed with the first racks on the two sides, and a reset torsion spring is connected between the first arc-shaped clamping plates on the two sides and the mounting plate.
Further, the reverse bending device comprises two second arc-shaped clamping plates, two second racks, two connecting blocks, a gear ring, an external thread sleeve, an internal thread sleeve, a guide rod, an elastic part, a pull rod, a transmission rod and a U-shaped slide rod, wherein the two second arc-shaped clamping plates are respectively hinged and connected with two sides of the arc-shaped push plate, the two second racks are arranged in two, the two second racks are respectively connected with two sides of the top of the arc-shaped push plate in a sliding manner, one side, close to the arc-shaped push plate, of the second arc-shaped clamping plates on the two sides is connected with the connecting blocks, the linear grooves are formed in the connecting blocks, the second racks on the two sides are respectively matched with the connecting blocks on the two sides through linear grooves on the two sides, the external thread sleeve is connected with the lower part of the push rod in a sliding manner, the internal thread sleeve is, the guide rod is in sliding fit with the external thread sleeve, an elastic part is connected between the external thread sleeve and the push rod, the pull rod is hinged to the upper portion of the external thread sleeve, the transmission rod is hinged to the inside of the handlebar, one end of the transmission rod is hinged to a U-shaped sliding rod, the U-shaped sliding rod is in sliding fit with the handlebar, and the other end of the transmission rod is hinged to the pull rod.
Furthermore, the positioning device also comprises a positioning torsion spring which is connected between the second arc-shaped clamping plate and the arc-shaped push plate.
Further, the first arc-shaped clamping plates on the two sides can form a closed circle together.
The invention has the following advantages: the steel bar bending device can fix the steel bar to be bent through the clamping assembly during operation, the steel bar can be bent through the matching operation of the push rod and the arc-shaped push plate after the steel bar to be bent is fixed, so that the effect of bending the steel bar is achieved, the side, needing to be bent, of the steel bar can be operated through the reverse bending device during bending of the steel bar, the steel bar can be driven to be bent in the reverse direction, and the situation that the device needs to be taken down and readjusted after the bending angle of the steel bar is too large due to misoperation is avoided.
Drawings
Fig. 1 is a schematic front perspective view of the present invention.
Fig. 2 is a first partial structural view of the present invention.
Fig. 3 is a second partial structural view of the present invention.
Fig. 4 is a third partial structural view of the present invention.
FIG. 5 is a view showing the structure of part D of the present invention.
Fig. 6 is a structural view of part C of the present invention.
In the above drawings: 1: mounting plate, 2: connecting shaft, 3: barre, 4: push rod, 5: arc push pedal, 6: clamping device, 601: first arc splint, 602: t-shaped slide bar, 603: sliding frame, 604: first rack, 605: sliding spring, 606: gear, 607: strong torsion spring, 608: return torsion spring, 7: reverse bending apparatus, 701: second arc splint, 702: second rack, 703: connecting block, 704: straight slot, 705: ring gear, 706: female thread bush, 707: external thread bushing, 708: guide bar, 709: elastic member, 710: tie rod, 711: a transmission rod, 712: u-shaped slide bar, 88: the torsion spring is positioned.
Detailed Description
Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Example 1
A portable bidirectional steel bar bending device is shown in figures 1-3 and comprises a mounting plate 1, a connecting shaft 2, a handle rod 3 and a push rod 4, wherein the top of the mounting plate 1 is connected with the connecting shaft 2, the top of the connecting shaft 2 is hinged with the handle rod 3, the bottom of the handle rod 3 is connected with the push rod 4, the portable bidirectional steel bar bending device further comprises an arc-shaped push plate 5 and a clamping device 6, the bottom of the push rod 4 is connected with the arc-shaped push plate 5, and the clamping device 6 is arranged between the handle rod 3 and the mounting plate 1.
The clamping device 6 comprises a first arc-shaped clamping plate 601, T-shaped sliding rods 602, a sliding frame 603, a first rack 604, a sliding spring 605, a gear 606, a powerful torsion spring 607 and a reset torsion spring 608, wherein the first arc-shaped clamping plate 601 is hinged on both sides of the bottom of the mounting plate 1, the T-shaped sliding rods 602 are slidably connected on both front and rear sides of the mounting plate 1, the T-shaped sliding rods 602 on both sides are respectively matched with the first arc-shaped clamping plates 601 on both sides, the sliding frame 603 is connected between the tops of the two T-shaped sliding rods 602, the sliding frame 603 is arranged on two sides, the first rack 604 is slidably connected on both inner walls on both sides of the sliding frame 603, the top of the first rack 604 can penetrate through the top of the sliding frame 603, the bottom of the first rack 604 is blocked by the sliding frame 603, the sliding spring 605 is connected between the first rack 604 and the sliding frame 603, the gears 606, a reset torsion spring 608 is connected between the first arc-shaped clamping plates 601 at two sides and the mounting plate 1.
When a steel bar needs to be bent, the bending machine can be used, firstly, a user sleeves the first arc-shaped clamping plates 601 at two sides on one side of the steel bar, so that the arc-shaped push plate 5 is positioned at one side of the steel bar needing to be bent, then the handle bar 3 is pressed to swing downwards, the handle bar 3 drives the strong torsion spring 607 to rotate when swinging downwards, the strong torsion spring 607 drives the gear 606 to rotate, the gear 606 rotates to drive the first rack 604 connected on one wall of the sliding frame 603 to move upwards, the sliding spring 605 is stretched, the first rack 604 connected on the other wall of the sliding frame 603 moves downwards, the first rack 604 moving downwards pushes the sliding frame 603 to move downwards when moving, the sliding frame 603 moves downwards to push the T-shaped sliding rods 602 at two sides to move downwards, the T-shaped sliding rods 602 move downwards to drive the first arc-shaped clamping plates 601 at two sides to swing along the hinged point, the reset torsion spring 608 is compressed, when the tail ends, the first arc splint 601 in both sides presss from both sides the reinforcing bar tightly, at this moment gear 606 no longer rotates, continue to press and move down messenger's powerful torsional spring 607 compression of barre 3, barre 3 still drives push rod 4 downstream when the downswing, push rod 4 downstream drives arc push pedal 5 downstream, because at this moment the first arc splint 601 in both sides is cliied reinforcing bar one side, arc push pedal 5 downstream just can buckle the one side that the reinforcing bar needs to buckle, after the completion of buckling, it can to loosen barre 3.
Example 2
On the basis of the embodiment 1, as shown in fig. 4-6, the bending apparatus further comprises a reverse bending apparatus 7, the reverse bending apparatus 7 comprises a second arc-shaped clamp plate 701, a second rack 702, a connecting block 703, a gear ring 705, an external thread bushing 707, an internal thread bushing 706, a guide rod 708, an elastic member 709, a pull rod 710, a transmission rod 711 and a U-shaped slide rod 712, the front and back sides of the arc-shaped push plate 5 are hinged with the second arc-shaped clamp plate 701, the two sides of the top of the arc-shaped push plate 5 are connected with the second rack 702, one side of the second arc-shaped clamp plate 701 close to the arc-shaped push plate 5 at the two sides is connected with the connecting block 703, the second rack 702 at the two sides is respectively matched with the connecting block 703 at the two sides through the two side straight grooves 704, the lower portion of the push rod 4 is slidably connected with the external thread bushing 707, the, the gear ring 705 is meshed with the second racks 702 on two sides, the lower side of the push rod 4 is connected with a guide rod 708, the guide rod 708 is in sliding fit with an external thread sleeve 707, an elastic part 709 is connected between the external thread sleeve 707 and the push rod 4, the upper part of the external thread sleeve 707 is hinged with a pull rod 710, a transmission rod 711 is hinged and connected in the handle bar 3, one end of the transmission rod 711 is hinged and connected with a U-shaped sliding rod 712, the U-shaped sliding rod 712 is in sliding fit with the handle bar 3, and the other end of the transmission rod 711.
When the steel bar needs to be bent in the opposite direction, the U-shaped sliding rod 712 can be pulled to move downwards, the U-shaped sliding rod 712 moves downwards to drive the transmission rod 711 to swing along a hinge point, the transmission rod 711 pulls the pull rod 710 to move upwards when swinging, the pull rod 710 moves upwards to drive the external thread sleeve 707 to move upwards, the elastic part 709 is compressed, the external thread sleeve 707 moves upwards to drive the internal thread sleeve 706 to rotate through a thread, the internal thread sleeve 706 rotates to drive the gear ring 705 to rotate, the gear ring 705 rotates to drive the second gear racks 702 on two sides to move towards the direction far away from the arc push plate 5, the second gear racks 702 drive the second arc clamping plates 701 to swing towards the steel bar through the straight grooves 704 and the connecting blocks 703 when moving, after the second arc clamping plates 701 on two sides clamp the steel bar, the handle bar 3 can be pulled to rotate in the opposite direction, at this time, the steel bar, after bending is finished, the U-shaped sliding rod 712 is loosened.
As shown in fig. 5, the positioning torsion spring 88 is further included, and the positioning torsion spring 88 is connected between the second arc-shaped clamping plate 701 and the arc-shaped push plate 5.
When the second arc-shaped clamping plates 701 swing towards the steel bar in the reverse direction, the positioning torsion spring 88 is compressed, and when the U-shaped sliding rod 712 is loosened, the second arc-shaped clamping plates 701 on the two sides are reset under the action of the positioning torsion spring 88.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (5)
1. The utility model provides a two-way reinforcing bar bender of portable which characterized in that, including:
the top of the mounting plate (1) is fixedly connected with a connecting shaft (2), and the top of the connecting shaft (2) is hinged with a handle rod (3);
the push rod (4) is fixedly connected to the bottom of the handle rod (3);
the arc-shaped push plate (5) is fixedly connected to the bottom of the push rod (4), and the arc-shaped push plate (5) is used for bending the steel bar;
the clamping device (6) is arranged between the handle bar (3) and the mounting plate (1), and the clamping device (6) is used for clamping the reinforcing steel bars.
2. The portable bidirectional steel bar bender according to claim 1, wherein the clamping device (6) comprises a first arc-shaped clamping plate (601) for clamping the steel bar, a T-shaped sliding rod (602), a sliding frame (603), a first rack (604), a sliding spring (605), a gear (606), a strong torsion spring (607) and a reset torsion spring (608), the first arc-shaped clamping plate (601) is arranged in two, the two first arc-shaped clamping plates (601) are respectively hinged and connected to two sides of the bottom of the mounting plate (1), the T-shaped sliding rod (602) is arranged in two, the two T-shaped sliding rods (602) are respectively slidably connected to two sides of the mounting plate (1), the T-shaped sliding rods (602) on two sides are respectively matched with the first arc-shaped clamping plates (601) on two sides, the sliding frame (603) is connected between the tops of the two T-shaped sliding rods (602), and the sliding frame (603) is arranged, the inner two walls of the two sides of the sliding frame (603) are connected with a first rack (604) in a sliding mode, the top of the first rack (604) can penetrate out of the top of the sliding frame (603), the bottom of the first rack (604) is blocked by the sliding frame (603), a sliding spring (605) is connected between the first rack (604) and the sliding frame (603), a gear (606) is connected to one end of the handle bar (3) close to the mounting plate (1) in a rotating mode, the gears (606) on the two sides are respectively meshed with the first racks (604) on the two sides, and a reset torsion spring (608) is connected between the first arc-shaped clamping plate (601) on the two sides and the mounting plate.
3. The portable bidirectional steel bar bender according to claim 2, further comprising a reverse bending device (7), wherein the reverse bending device (7) comprises two second arc-shaped clamping plates (701), two second racks (702), a connecting block (703), a gear ring (705), an external thread sleeve (707), an internal thread sleeve (706), a guide rod (708), an elastic member (709), a pull rod (710), a transmission rod (711) and a U-shaped sliding rod (712), the two second arc-shaped clamping plates (701) are arranged in a two-way manner, the two second arc-shaped clamping plates (701) are respectively hinged to two sides of the arc-shaped pushing plate (5), the two second racks (702) are arranged in a two-way, the two second racks (702) are respectively connected to two sides of the top of the arc-shaped pushing plate (5) in a sliding manner, one side of the second arc-shaped clamping plates (701) on two sides, which is close to the arc-shaped pushing plate, the straight groove (704) is arranged on the connecting block (703), the second racks (702) on two sides are respectively matched with the connecting blocks (703) on two sides through the straight grooves (704) on two sides, the external thread sleeve (707) is connected to the lower part of the push rod (4) in a sliding way, the internal thread sleeve (706) is connected to the outside of the external thread sleeve (707) in a threaded way, the outer side of the lower part of the internal thread sleeve (706) is connected with a gear ring (705), the gear ring (705) is meshed with the second racks (702) on two sides, the lower side of the push rod (4) is connected with a guide rod (708), the guide rod (708) is matched with the external thread sleeve (707) in a sliding way, an elastic part (709) is connected between the external thread sleeve (707) and the push rod (4), the pull rod (710) is hinged to the upper part of the external thread sleeve (707), the transmission rod (711) is hinged to the handle (3), one end of, the other end of the transmission rod (711) is hinged with the pull rod (710).
4. The portable bidirectional steel bar bender according to claim 3, further comprising a positioning torsion spring (88), wherein the positioning torsion spring (88) is connected between the second arc-shaped clamping plate (701) and the arc-shaped push plate (5).
5. The portable bar bender according to claim 4, wherein said first arc-shaped clamping plates (601) on both sides are combined to form a closed circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010145053.8A CN111299455B (en) | 2020-03-04 | 2020-03-04 | Portable bidirectional steel bar bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010145053.8A CN111299455B (en) | 2020-03-04 | 2020-03-04 | Portable bidirectional steel bar bending machine |
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| Publication Number | Publication Date |
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| CN111299455A true CN111299455A (en) | 2020-06-19 |
| CN111299455B CN111299455B (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010145053.8A Active CN111299455B (en) | 2020-03-04 | 2020-03-04 | Portable bidirectional steel bar bending machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172521A (en) * | 2021-06-30 | 2021-07-27 | 南通千山机械设备有限公司 | Composite metal product processing device |
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|---|---|---|---|---|
| US4304117A (en) * | 1979-09-19 | 1981-12-08 | Rawson Richard A | Bending tool |
| CN203343330U (en) * | 2013-06-19 | 2013-12-18 | 叶集试验区红太阳动力机械有限公司 | Rebar bending device |
| CN204524096U (en) * | 2015-02-03 | 2015-08-05 | 苏州市职业大学 | Small-sized steel-bar bender |
| CN204524101U (en) * | 2015-03-25 | 2015-08-05 | 芜湖森德电子科技有限公司 | A kind of industrial reinforcing steel bending device tool |
| US9421596B2 (en) * | 2014-04-16 | 2016-08-23 | University of Alaska Anchorage | Bending instrument and methods of using same |
| CN209716305U (en) * | 2019-03-14 | 2019-12-03 | 宜昌城大建设有限公司 | A kind of construction portable steel bar bending apparatus |
-
2020
- 2020-03-04 CN CN202010145053.8A patent/CN111299455B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4304117A (en) * | 1979-09-19 | 1981-12-08 | Rawson Richard A | Bending tool |
| CN203343330U (en) * | 2013-06-19 | 2013-12-18 | 叶集试验区红太阳动力机械有限公司 | Rebar bending device |
| US9421596B2 (en) * | 2014-04-16 | 2016-08-23 | University of Alaska Anchorage | Bending instrument and methods of using same |
| CN204524096U (en) * | 2015-02-03 | 2015-08-05 | 苏州市职业大学 | Small-sized steel-bar bender |
| CN204524101U (en) * | 2015-03-25 | 2015-08-05 | 芜湖森德电子科技有限公司 | A kind of industrial reinforcing steel bending device tool |
| CN209716305U (en) * | 2019-03-14 | 2019-12-03 | 宜昌城大建设有限公司 | A kind of construction portable steel bar bending apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172521A (en) * | 2021-06-30 | 2021-07-27 | 南通千山机械设备有限公司 | Composite metal product processing device |
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| CN111299455B (en) | 2022-09-06 |
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