Steel bar bending device

By designing a steel bar bending device with a linkage mechanism, the motor can achieve power bending and manual bending is achieved through manual rods when power is cut off, the problem that existing devices require power to be used is solved, and the flexibility and convenience of use is increased.

CN222790460UActive Publication Date: 2025-04-25SHANGHAI XIEHENG ENG MANAGEMENT CO LTD
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Patent Information

Application Number
CN202421629746.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-11
Publication Date
2025-04-25
Estimated Expiration
2034-07-11

AI Technical Summary

Technical Problem

The existing reinforcement bending device requires electricity to work, and cannot continue to be used after power is cut off, and the usage is relatively simple.

Method used

A steel bar bending device is designed, and the rotation of the gear disc is controlled by the first motor and the second motor, and the rotation of the gear disc is transmitted to the sleeve and the concave wheel through the linkage mechanism to realize power bending; when the power is cut off, the rotation of the sleeve and the sub-concave wheel can be controlled by manual lever to realize human bending.

Benefits of technology

It realizes that the steel bars can be bent without power support, and the switching of the usage status is more convenient, which increases the use of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a steel bar bending device, and belongs to the technical field of steel bar bending devices. A connecting rod is fixedly connected to the top of the base, a main concave wheel is fixedly connected to the outer wall of the connecting rod, a sleeve frame is rotatably connected to the outer wall of the connecting rod, an auxiliary concave wheel is rotatably connected to the outer wall of the sleeve frame, a manual rod is in threaded connection with one end of the sleeve frame, an auxiliary check block is fixedly connected to the top of the base, and a containing cavity is formed in the outer wall of the base. A containing cavity is formed in the base, a first motor is fixed in the containing cavity, one end of a rotating shaft of the first motor is in transmission connection with a fluted disc, an arc-shaped sliding opening communicated with the containing cavity is formed in the outer wall of the base, and a linkage mechanism is arranged between the fluted disc and the sleeve frame through the arc-shaped sliding opening. And the steel bars can be bent under the condition of power support or no power support.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel bar bending devices, in particular to a steel bar bending device. Background Art

[0002] Rebar is a common metal building material in construction, usually used to reinforce walls and foundations. According to construction needs, some bent rebars are often needed on construction sites. These bent rebars are generally bent by electric bending devices to help personnel bend the rebars.

[0003] At present, most of the devices used by auxiliary workers for steel bar bending can only be used when there is electricity. In the event of an unexpected power outage, the steel bar bending operation can no longer be continued, and the situations in which it can be used are relatively limited.

[0004] Based on this, the utility model designs a steel bar bending device to solve the above problems. Summary of the invention

[0005] The purpose of the utility model is to provide a steel bar bending device to solve the above technical problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel bar bending device, comprising: a base; a connecting rod is fixedly connected to the top of the base, a main cam is fixedly connected to the outer wall of the connecting rod, a sleeve frame is rotatably connected to the outer wall of the connecting rod, a secondary cam is rotatably connected to the outer wall of the sleeve frame, a manual rod is threadedly connected to one end of the sleeve frame, an auxiliary block is fixedly connected to the top of the base, a placement cavity is provided on the outer wall of the base, a first motor is fixed in the placement cavity, a gear disk is transmission-connected to one end of the rotating shaft of the first motor, an arc-shaped sliding port connected to the placement cavity is provided on the outer wall of the base, a linkage mechanism is arranged between the gear disk and the sleeve frame through the arc-shaped sliding port, the gear disk is connected to the sleeve frame through the linkage mechanism, and the first motor can be used to simultaneously perform electrically driven bending operations on the gear disk and the sleeve frame.

[0007] Preferably, the linkage mechanism comprises a linkage column, a sliding column and a threaded joint, one end of the linkage column is fixed to the top of the gear plate, and one end of the linkage column away from the gear plate vertically passes through the arc-shaped sliding opening.

[0008] Preferably, a sliding groove is provided at one end of the linkage column passing through the arc-shaped sliding opening, a rotating column is slidably connected in the sliding groove, a threaded joint is fixed at one end of the rotating column, and one end of the threaded joint is threadedly connected to the bottom of the sleeve frame.

[0009] Preferably, a second motor is fixed in the accommodating cavity, a gear is transmission-connected to the rotating shaft end of the second motor, and the tooth surface of the gear is meshed with the tooth surface of the gear disc.

[0010] Preferably, a cover plate is detachably connected to one side of the base, and a plurality of ventilation holes are sequentially opened on the outer wall of the cover plate.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the first motor and the second motor are used to control the rotation of the toothed disc, and the toothed disc then uses a linkage mechanism to transmit the transmission to the sleeve and the concave wheel, so as to facilitate the electric bending of the steel bars. Through the regulation and switching of the linkage mechanism, a manual lever can be used to facilitate personnel to manually control the rotation of the sleeve and the auxiliary concave wheel to manually bend the steel bars. The switching of the use status is more convenient, and the use situations are increased. The steel bars can be bent with or without power support. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0013] Figure 1 This is a schematic diagram of the overall structure of this embodiment;

[0014] Figure 2 This is a schematic diagram of the structure in the placement cavity of this embodiment;

[0015] Figure 3 A schematic diagram of the linkage mechanism is shown for this embodiment;

[0016] Figure 4 This is a schematic diagram highlighting the arc-shaped sliding opening of this embodiment.

[0017] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0018] 1. Base; 2. Connecting rod; 3. Main cam; 4. Sleeve; 5. Secondary cam; 6. Manual lever; 7. Placement cavity; 8. First motor; 9. Toothed disc; 10. Arc-shaped sliding mouth; 11. Linkage column; 12. Slide groove; 13. Rotating column; 14. Threaded joint; 15. Cover plate; 16. Auxiliary stopper; 17. Second motor; 18. Gear. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution: a steel bar bending device, comprising: a base 1; a connecting rod 2 is fixedly connected to the top of the base 1, a main cam 3 is fixedly connected to the outer wall of the connecting rod 2, a sleeve frame 4 is rotatably connected to the outer wall of the connecting rod 2, a secondary cam 5 is rotatably connected to the outer wall of the sleeve frame 4, a manual rod 6 is threadedly connected to one end of the sleeve frame 4, an auxiliary stopper 16 is fixedly connected to the top of the base 1, a placement cavity 7 is opened on the outer wall of the base 1, a first motor 8 is fixed in the placement cavity 7, a gear plate 9 is transmission-connected to one end of the rotating shaft of the first motor 8, an arc-shaped sliding port 10 connected to the placement cavity 7 is opened on the outer wall of the base 1, a linkage mechanism is arranged between the gear plate 9 and the sleeve frame 4 through the arc-shaped sliding port 10, the gear plate 9 is connected to the sleeve frame 4 through the linkage mechanism, and the first motor 8 can be used to perform electric transmission bending operations on the gear plate 9 and the sleeve frame 4 at the same time;

[0021] The notches of the main cam wheel 3 and the auxiliary cam wheel 5 are both semicircular in shape of the same size. After being assembled together, it is convenient to bend circular steel bars. The manual rod 6 is used to facilitate personnel to manually control the rotation of the sleeve frame 4 and the auxiliary cam wheel 5 to manually bend the steel bars. The manual rod 6 can be rotated, disassembled and stored to avoid affecting the operation during electric bending. The first motor 8 is used to control the rotation of the toothed disc 9, and the toothed disc 9 uses a linkage mechanism to transmit the transmission to the sleeve frame 4 and the cam wheel, which is convenient for electric bending of the steel bars. The arc-shaped sliding mouth 10 is opened along the rotation path of the linkage mechanism to cooperate with the linkage mechanism for transmission.

[0022] Preferably, the linkage mechanism includes a linkage column 11, a sliding column and a threaded joint 14, one end of the linkage column 11 is fixed to the top of the toothed disc 9, and the end of the linkage column 11 away from the toothed disc 9 vertically passes through the arc-shaped sliding opening 10;

[0023] One end of the linkage column 11 of the linkage mechanism passes through the arc-shaped sliding opening 10 , so as to facilitate the transmission of the sleeve frame 4 in cooperation with the toothed disc 9 .

[0024] Preferably, a sliding groove 12 is provided at one end of the linkage column 11 passing through the arc-shaped sliding opening 10, a rotating column 13 is slidably connected in the sliding groove 12, a threaded joint 14 is fixed at one end of the rotating column 13, and one end of the threaded joint 14 is threadedly connected to the bottom of the sleeve frame 4;

[0025] One end of the rotating column 13 not only slides in the slide groove 12 of the linkage column 11, but also can rotate the auxiliary threaded joint 14 and the sleeve frame 4 for threaded connection. After the threaded joint 14 is rotated and separated from the sleeve frame 4, the sliding rotating column 13 can be used to lower the body position to avoid affecting the bending operation by manpower.

[0026] Preferably, a second motor 17 is fixed in the placement cavity 7, and a gear 18 is transmission-connected to the rotating shaft end of the second motor 17, and the tooth surface of the gear 18 is meshed with the tooth surface of the gear disc 9;

[0027] The second motor 17 is used to control the rotation of the gear 18, and the transmission is carried out through the meshing of the gear 18 and the sprocket 9 to assist the rotation of the sprocket 9. The speed of the gear 18 controlled by the second motor 17 is the same as the speed of the sprocket 9 after being controlled by the first motor 8, thereby increasing the power support under electric power conditions.

[0028] Preferably, a cover plate 15 is detachably connected to one side of the base 1, and a plurality of ventilation holes are sequentially opened on the outer wall of the cover plate 15;

[0029] The housing cavity 7 is covered by a cover plate 15, which is fixed by bolts and can be detached and assembled, and the ventilation holes are used to dissipate heat.

[0030] A specific application of this embodiment is: one end of the steel bar to be bent passes through the notch between the main cam wheel 3 and the auxiliary cam wheel 5, and is attached to one end of the auxiliary stopper 16, and then the first motor 8 can be used to control the rotation of the toothed disc 9, and the second motor 17 can be used to control the rotation of the gear 18, so that the auxiliary toothed disc 9 can be more powerful and stable. When the toothed disc 9 rotates, the linkage mechanism can be used to drive the sleeve frame 4 to rotate at the same time, so that the auxiliary cam wheel 5 of the sleeve frame 4 rotates around the main cam wheel 3, and the auxiliary stopper 16 uses electricity to bend the steel bar;

[0031] When there is an unexpected power outage, the threaded joint 14 can be rotated to separate it from the sleeve frame 4, the rotating column 13 retracts into the slide groove 12 of the linkage column 11, and the threaded joint 14 lowers its position at the same time. At this time, the sleeve ring can be pulled by the manual rod 6 to make the secondary concave wheel 5 of the sleeve ring rotate around the main concave wheel 3, and the auxiliary stopper 16 is used to bend the steel bar by manpower.

[0032] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel bar bending device, characterized in that: include: A base (1); a connecting rod (2) is fixedly connected to the top of the base (1); a main cam (3) is fixedly connected to the outer wall of the connecting rod (2); a sleeve frame (4) is rotatably connected to the outer wall of the connecting rod (2); a secondary cam (5) is rotatably connected to the outer wall of the sleeve frame (4); a manual rod (6) is threadedly connected to one end of the sleeve frame (4); an auxiliary stopper (16) is fixedly connected to the top of the base (1); a placement cavity (7) is provided on the outer wall of the base (1); a first motor (8) is fixed in the placement cavity (7); a gear plate (9) is drivingly connected to one end of a rotating shaft of the first motor (8); an arc-shaped sliding opening (10) connected to the placement cavity (7) is provided on the outer wall of the base (1); a linkage mechanism is provided between the gear plate (9) and the sleeve frame (4) through the arc-shaped sliding opening (10); the gear plate (9) and the sleeve frame (4) are connected through the linkage mechanism; the first motor (8) can be used to simultaneously perform an electrically driven bending operation on the gear plate (9) and the sleeve frame (4).

2. A steel bar bending device according to claim 1, characterized in that: The linkage mechanism comprises a linkage column (11), a sliding column and a threaded joint (14); one end of the linkage column (11) is fixed to the top of the toothed disc (9); and one end of the linkage column (11) away from the toothed disc (9) vertically passes through the arc-shaped sliding opening (10).

3. A steel bar bending device according to claim 2, characterized in that: A sliding groove (12) is formed at one end of the linkage column (11) passing through the arc-shaped sliding opening (10), a rotating column (13) is slidably connected in the sliding groove (12), a threaded joint (14) is fixed at one end of the rotating column (13), and one end of the threaded joint (14) is threadedly connected to the bottom of the sleeve frame (4).

4. A steel bar bending device according to claim 1, characterized in that: A second motor (17) is fixed in the placement cavity (7), and a gear (18) is drivingly connected to the rotating shaft end of the second motor (17), and the tooth surface of the gear (18) is meshed with the tooth surface of the gear disc (9).

5. A steel bar bending device according to claim 1, characterized in that: A cover plate (15) is detachably connected to one side of the base (1), and a plurality of ventilation holes are sequentially provided on the outer wall of the cover plate (15).