CN112024765A - U-shaped bending machine - Google Patents
U-shaped bending machine Download PDFInfo
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- CN112024765A CN112024765A CN202010893412.8A CN202010893412A CN112024765A CN 112024765 A CN112024765 A CN 112024765A CN 202010893412 A CN202010893412 A CN 202010893412A CN 112024765 A CN112024765 A CN 112024765A
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- 238000005452 bending Methods 0.000 title claims abstract description 95
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 abstract description 17
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 14
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
A U-shaped bending machine comprises a frame, a fixing piece and two bending driving pieces, wherein the fixing piece is fixedly arranged on the frame, the bending driving parts are rotationally arranged on the frame, the two bending driving parts are symmetrically arranged at the two sides of the fixing part, a driving mechanism for controlling the rotation of the bending driving part is arranged in the frame, the end part of the bending driving part extends into the frame, the driving mechanism is mechanically connected with a driving mechanism, the driving mechanism comprises a rotating worm and a worm wheel fixedly arranged at the end part of the bending driving piece, the rotating worm is connected with the worm wheel at the end part of the bending driving piece, the driving mechanism adopts the transmission of the worm wheel and the rotating worm, this transmission mode has self-locking function, and when the reinforcing bar stopped after bending, the elastic force of reinforcing bar was restricted by worm wheel and rotatory worm, and the rotatory worm pivoted motor of effectual protection drive, perhaps ensured the operating personnel's of the rotatory worm of manual rotation safety.
Description
Technical Field
The invention relates to the technical field of bending machines, in particular to a U-shaped bending machine.
Background
In the building work progress, in order to make the building more firm, need use the reinforcing bar, and for better use reinforcing bar, need bend a part reinforcing bar, it is now that construction worker one hand presses down the reinforcing bar, then another hand presses down the reinforcing bar, bend the reinforcing bar, so, the angle that the reinforcing bar is bent is difficult to control, and construction worker is tired more, so construction worker can press from both sides the reinforcing bar on the vice, after the reinforcing bar is bent, the reinforcing bar after operating the vice again and will bending is loosened, it is troublesome like this.
The existing bending technology is not practical for some reinforcing steel bars with requirements or a plurality of continuous bending reinforcing steel bars, particularly for some reinforcing steel bars needing four corners to be bent into a U shape, the bending technology is difficult to realize, for example, the application number is CN201911111948.3 discloses U-shaped bending machine for buildings, which comprises a frame body, a driving mechanism, a first bending mechanism, a second bending mechanism, a fixing part, a limiting mechanism, a cylinder pushing controller, a junction box and reinforcing steel bars, the driving mechanism is arranged, because a rack drives the first bending mechanism and the second bending mechanism to act through a gear, the synchronism is high, the bent arc is uniform, and the bending machine is suitable for reinforcing steel bars with higher bending precision; the arrangement of the first bending mechanism and the second bending mechanism has the advantages of simple structure, good bending effect and low labor intensity; the fixing piece is arranged, and the bending column is arranged in a beam waist shape, so that the condition that the steel bar or the steel pipe slips or bursts out during bending can be prevented, and the safety of equipment is ensured; the setting of stop gear, the spacing post through the adjustment standing groove is bent spacing length adjustment to the reinforcing bar of different degrees of bending, avoids bending excessively or not enough the condition to appear.
However, the self-locking structure is not arranged in the patent, and after the reinforcing steel bar is bent, the elastic acting force of the reinforcing steel bar is easy to damage the electric pushing cylinder.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects of the prior art and provides a U-shaped bending machine capable of self-locking.
The technical scheme adopted by the invention for solving the technical problems is as follows: a U-shaped bending machine comprises a rack, a fixing piece and two bending driving pieces, wherein the fixing piece is fixedly arranged on the rack, the bending driving pieces are rotatably arranged on the rack, the two bending driving pieces are symmetrically arranged on two sides of the fixing piece, a driving mechanism for controlling the rotation of the bending driving pieces is arranged in the rack, the end parts of the bending driving pieces extend into the rack and are mechanically connected with the driving mechanism, the driving mechanism comprises a rotating worm and a worm wheel fixedly arranged at the end parts of the bending driving pieces, and the rotating worm is connected with the worm wheel at the end parts of the bending driving pieces.
Furthermore, the number of the rotating worms is one, the rotating worms are simultaneously connected with worm wheels at the end parts of the two bending driving parts, only one spiral worm is needed, the structure is simple, only one spiral worm is needed for driving, and the cost is reduced.
Further, the rotating worm is located between the two worm wheels, the rotating worm is only provided with a group of spiral teeth in a specific connection relation, the spiral teeth are connected with the worm wheels simultaneously, the spiral direction of the spiral teeth can be positive rotation or negative rotation, the rotating worm can be understood according to the attached drawings, when rotating, the rotating worm can drive the two worm wheels to rotate, the rotating directions of the two worm wheels are opposite, namely, one bending driving piece rotates clockwise, the other bending driving piece rotates anticlockwise synchronously, and therefore the reinforcing steel bar can be folded into a U shape.
Further, the rotating worm is located on the same side of the two worm gears, two sets of spiral teeth which are respectively meshed with the two worm gears are arranged on the rotating worm, the spiral directions of the two sets of spiral teeth are opposite, namely one of the two sets of spiral teeth is positive rotation, and the other is reverse rotation.
Further, the number of the rotating worms is two, the spiral worms are respectively connected with the worm gears at the end parts of the two bending driving parts, in another embodiment, one rotating worm corresponds to one worm gear, and as the number of the rotating worms is two, the number of the devices for driving the rotating worms to rotate may need two, and certainly, the transmission mechanism can also be utilized, and two rotating screws are simultaneously connected, that is, only one device for driving the rotating worms to rotate is needed.
Furthermore, the end part of the rotating worm extends out of the rack, the part of the rotating worm extending out of the rack is Z-shaped, and the extending part of the rotating worm is equivalent to a handle, namely the rotating worm is manually rotated.
Further, the driving mechanism further comprises a motor, wherein an output shaft of the motor is connected with the rotating worm, and the rotating worm is electrically rotated.
Further, the horizontal heights of the tops of the fixing pieces and the tops of the bending driving pieces are consistent, and the fixing pieces and the bending driving pieces are arranged conventionally, because the reinforcing steel bars are straight and are also on the same plane after being bent into a U shape, the fixing pieces and the bending driving pieces do not need to be arranged to be different in height.
Further, the fixing part top is provided with a first side concave column for accommodating the steel bar, which is understood according to the attached drawings, and is not described herein in detail.
Further, bend the initiative top and be equipped with disc and second side concave column, disc center and the integrative setting in initiative center of bending, second side concave column sets up on the circumference of disc, and second side concave column is used for contacting with the reinforcing bar, and second side concave column is the cylinder of side indent, and concrete structure can understand according to the drawing for hold the reinforcing bar.
The invention has the beneficial effects that: the driving mechanism adopts the transmission of the worm wheel and the rotating worm, the transmission mode has a self-locking function, when the steel bar is bent and stops, the elastic acting force of the steel bar is limited by the worm wheel and the rotating worm, and the motor for driving the rotating worm to rotate is effectively protected, or the safety of operators manually rotating the rotating worm is ensured.
The two bending driving parts can synchronously rotate under the driving of the driving mechanism to drive the second side concave column to rotate along the circumference, and the bending of the reinforcing steel bar is realized under the matching of the fixing parts, so that the bending device has the advantages of simple structure, good bending effect and low labor intensity.
The first side concave column at the top of the fixing piece can prevent the steel bar or the steel pipe from slipping or bursting out when being bent, and the safety of equipment is ensured.
Drawings
FIG. 1 is a schematic external view of the structure of example 1;
FIG. 2 is a schematic view of a driving mechanism of embodiment 1;
FIG. 3 is a three-dimensional structure diagram of a bending driving part;
FIG. 4 is a schematic view of a driving mechanism of embodiment 2;
FIG. 5 is the external structural view of example 3;
FIG. 6 is the external structure of example 4;
in the figure: 1-a rack, 2-a fixed part, 21-a first side concave column, 3-a bending driving part, 31-a disc, 32-a second side concave column, 4-a driving mechanism, 41-a rotating worm, 411-a helical tooth, 42-a worm wheel and 43-a motor.
Detailed Description
In the description of the present invention, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the indicated orientations and positional relationships based on the figures, merely to facilitate the description of the invention 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 therefore not to be considered limiting.
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 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; may be mechanically coupled, may be electrically coupled or may be in communication with each other; 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 "over" a second feature may be directly or diagonally over the first feature or may simply mean that the first feature is at a higher level than the second feature. A first feature "under" a second feature may be that the first feature is directly under or obliquely under the second feature, or simply that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the terms "embodiment," "specific embodiment," "example" or "specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Example 1
Referring to FIGS. 1 to 3: the U-shaped bending machine comprises a frame 1, a fixing part 2 and two bending driving parts 3, wherein the fixing part 2 is fixedly arranged on the frame 1, the bending driving parts 3 are rotatably arranged on the frame 1, the two bending driving parts 3 are symmetrically arranged on two sides of the fixing part 2, a driving mechanism 4 for controlling the bending driving parts 3 to rotate is arranged in the frame 1, the end parts of the bending driving parts 3 extend into the frame 1 and are mechanically connected with the driving mechanism 4, the driving mechanism 4 comprises a rotating worm 41 and a worm wheel 42 fixedly arranged at the end parts of the bending driving parts 3, and the rotating worm 41 is connected with the worm wheel 42 at the end parts of the bending driving parts 3.
The number of the rotating worms 41 is one, the rotating worms 41 are simultaneously connected with the worm gears 42 at the end parts of the two bending driving parts 3, only one spiral worm is needed, the structure is simple, only one spiral worm is needed for driving, and the cost is reduced; the rotating worm 41 is located between the two worm gears 42, the specific connection relation is that only one group of spiral teeth 411 are arranged on the rotating worm 41, the spiral teeth 411 are simultaneously connected with the worm gears 42, the spiral direction of the spiral teeth 411 can be positive rotation or negative rotation, and specifically, the rotating worm can be understood according to the attached drawings, when rotating, the two worm gears 42 can be driven to rotate, the rotating directions of the two worm gears 42 are opposite, namely, one bending driving part 3 rotates clockwise, and the other bending driving part 3 rotates anticlockwise synchronously, so that the reinforcing steel bar can be folded into a U shape.
The driving mechanism 4 further comprises a motor 43, and an output shaft of the motor 43 is connected with the rotating worm 41 to electrically rotate the rotating worm 41.
The top of the fixing piece 2 is in the same horizontal height with the top of the bending driving piece 3, the fixing piece 2 and the bending driving piece 3 are arranged conventionally, and the reinforcing steel bars are straight and are also in the same plane after being bent into a U shape, so that the fixing piece 2 and the bending driving piece 3 are not required to be arranged into different heights.
The top of the fixing member 2 is provided with a first side concave column 21 for accommodating a steel bar, which is understood according to the drawings and not described herein.
Bend 3 tops of driving part and be equipped with disc 31 and second side concave column 32, disc 31 center sets up with 3 central an organic whole of driving part of bending, second side concave column 32 sets up on the circumference of disc 31, and second side concave column 32 is used for contacting with the reinforcing bar, and second side concave column 32 is the cylinder of side indent, and concrete structure can understand according to the drawing for hold the reinforcing bar.
The working principle and the using method of the invention are as follows: according to the invention, the worm wheel 42 and the rotating worm 41 are adopted to drive the two bending driving parts 3 to rotate, self-locking can be formed after the reinforcing steel bars are bent, the elastic acting force of the reinforcing steel bars is limited by the worm wheel 42 and the rotating worm 41, and a device for driving the rotating worm 41 to rotate is effectively protected.
The steel bar to be bent is placed on the top surfaces of the fixing part 2 and the two bending driving parts 3, the motor 43 is started to rotate, a starting button of the motor 43 is not drawn in the drawing and is generally arranged on the rack 1, the motor 43 rotates to drive the bending driving parts 3 to rotate automatically, the second side concave columns 32 on the bending driving parts rotate circumferentially, and the rotating directions of the two bending driving parts 3 are opposite to each other, so that the steel bar can be bent.
Example 2
Referring to fig. 4: this example differs from example 1 in that: the rotating worm 41 is located on the same side of the two worm gears 42, two sets of spiral teeth 411 respectively engaged with the two worm gears 42 are arranged on the rotating worm 41, the spiral directions of the two sets of spiral teeth 411 are opposite, that is, one of the two sets of spiral teeth 411 is positive rotation, and the other is reverse rotation.
Example 3
Referring to fig. 5: this example differs from example 1 in that: the end of the rotating worm 41 extends out of the rack 1, the part of the rotating worm 41 extending out of the rack 1 is in a zigzag shape, and the extending part of the rotating worm 41 is equivalent to a handle, namely the rotating worm 41 is rotated manually, the embodiment adopts a manual mode, and the embodiment 1 adopts an electric mode.
Example 4
Referring to fig. 6: this example differs from example 2 in that: the end of the rotating worm 41 extends out of the rack 1, the part of the rotating worm 41 extending out of the rack 1 is in a zigzag shape, and the extending part of the rotating worm 41 is equivalent to a handle, namely the rotating worm 41 is rotated manually, the embodiment adopts a manual mode, and the embodiment 2 adopts an electric mode.
Example 5
This example differs from example 1 in that: the number of the rotating worms 41 is two, the spiral worms are respectively connected with the worm gears 42 at the end parts of the two bending driving pieces 3, one rotating worm 41 corresponds to one worm gear 42, and since the number of the rotating worms 41 is two, the number of devices for driving the rotating worms 41 to rotate may need to be two, of course, a transmission mechanism may also be utilized, two rotating screws are simultaneously connected, that is, only one device for driving the rotating worms 41 to rotate is needed, and it is easy for those skilled in the art to adopt two motors 43 and two rotating worms 41, and thus, redundant description is not needed here.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. The utility model provides a U type bender, includes frame (1), a mounting (2) and two initiative pieces (3) of bending, and mounting (2) are fixed to be set up in frame (1), the initiative piece (3) of bending rotate to be set up in frame (1), and two initiative piece (3) symmetries of bending set up in mounting (2) both sides, be equipped with control in frame (1) and bend initiative piece (3) pivoted actuating mechanism (4), bend in initiative piece (3) tip stretches into frame (1), with actuating mechanism (4) mechanical connection, its characterized in that: the driving mechanism (4) comprises a rotating worm (41) and a worm wheel (42) fixedly arranged at the end part of the bending driving part (3), and the rotating worm (41) is connected with the worm wheel (42) at the end part of the bending driving part (3).
2. A U-shaped bending machine according to claim 1, characterized in that: the number of the rotating worms (41) is one, and the rotating worms (41) are simultaneously connected with worm wheels (42) at the end parts of the two bending driving parts (3).
3. A U-shaped bending machine according to claim 2, characterized in that: the rotating worm (41) is positioned between the two worm gears (42).
4. A U-shaped bending machine according to claim 2, characterized in that: the rotating worm (41) is located on the same side of the two worm wheels (42), two groups of spiral teeth (411) which are respectively meshed with the two worm wheels (42) are arranged on the rotating worm (41), and the spiral directions of the two groups of spiral teeth (411) are opposite.
5. A U-shaped bending machine according to claim 1, characterized in that: the number of the rotary worms (41) is two, and the spiral worms are respectively connected with worm wheels (42) at the end parts of the two bending driving parts (3).
6. A U-shaped bending machine according to any one of claims 1 to 4, characterized in that: the end part of the rotating worm (41) extends out of the rack (1), and the part of the rotating worm (41) extending out of the rack (1) is Z-shaped.
7. A U-shaped bending machine according to any one of claims 1 to 5, characterized in that: the driving mechanism (4) further comprises a motor (43), and an output shaft of the motor (43) is connected with the rotating worm (41).
8. A U-shaped bending machine according to any one of claims 1 to 5, characterized in that: the top of the fixing piece (2) is consistent with the horizontal height of the top of the bending driving piece (3).
9. A U-shaped bending machine according to any one of claims 1 to 5, characterized in that: the top of the fixing piece (2) is provided with a first side concave column (21) for accommodating a steel bar.
10. A U-shaped bending machine according to any one of claims 1 to 5, characterized in that: the bending driving part (3) is characterized in that a disc (31) and a second side concave column (32) are arranged at the top of the bending driving part (3), the center of the disc (31) and the center of the bending driving part (3) are integrally arranged, and the second side concave column (32) is arranged on the circumference of the disc (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010893412.8A CN112024765A (en) | 2020-08-31 | 2020-08-31 | U-shaped bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010893412.8A CN112024765A (en) | 2020-08-31 | 2020-08-31 | U-shaped bending machine |
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| Publication Number | Publication Date |
|---|---|
| CN112024765A true CN112024765A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010893412.8A Pending CN112024765A (en) | 2020-08-31 | 2020-08-31 | U-shaped bending machine |
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| CN (1) | CN112024765A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101414A (en) * | 2021-11-17 | 2022-03-01 | 上海裕继金属制品有限公司 | Bending machine |
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2020
- 2020-08-31 CN CN202010893412.8A patent/CN112024765A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114101414A (en) * | 2021-11-17 | 2022-03-01 | 上海裕继金属制品有限公司 | Bending machine |
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Application publication date: 20201204 |
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