Steel bar bender for constructional engineering
By introducing a bending mechanism into the rebar bending machine, the rebar can be bent simultaneously twice, solving the problem of low efficiency caused by the need for four operations to bend rebar into stirrups in the existing technology, and improving processing efficiency.
Patent Information
- Application Number
- CN202422987600.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing steel bar bending machines used in construction projects require four operations to bend steel bars into stirrups, resulting in low bending efficiency.
A rebar bending machine including a bending mechanism was designed. By setting up components such as a drive box, a rotating shaft and a rotating shaft tube, and a bevel gear, the rebar can be bent synchronously twice, thereby improving the bending efficiency.
This technology enables steel bars to be formed into stirrups in only two operations, significantly improving bending processing efficiency.
Smart Images

Figure CN223571889U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a reinforcing bar bending technical field, concretely is a reinforcing bar bending machine for constructional engineering. BACKGROUND
[0002] The utility model discloses a reinforcing bar bending machine discloses the utility model patent with CN218080133U, including operation platform, work disc and the resistance board, the work disc and the resistance board all are connected in operation platform's top wall, the resistance board's near the side wall of work disc is connected with the placement groove for placing reinforcing bar. Before bending reinforcing bar, place reinforcing bar in the placement groove, then open the machine and bend reinforcing bar, and the placement groove can guarantee the axis of reinforcing bar and the axis of bending shaft perpendicular each other, thereby guaranteeing that the reinforcing bar after processing meets the processing requirement. The placement groove has at least two. Can bend more than two reinforcing bars simultaneously, improve the processing efficiency The placement groove and the resistance board are detachably connected. When needing to process different specifications of reinforcing bar, the detachable connection of placement groove and resistance board facilitates replacing the placement groove. A plurality of placement grooves are connected with dovetail blocks, the side wall of the resistance board near the work disc is provided with a plurality of dovetail grooves matched with the dovetail blocks, the side wall of the resistance board away from the operation platform is provided with a locking hole, the locking hole is threadedly connected with a fixing bolt, the dovetail block penetrates and is provided with a through hole for the fixing bolt to pass through. When the corresponding placement groove needs to be replaced, the fixing bolt is screwed out of the corresponding through hole, then the corresponding placement groove is taken out, and a new placement groove is installed on the resistance board and the fixing bolt is screwed in. The side wall of the placement groove near the resistance board is connected with a sticky plate, and the side wall of the sticky plate away from the placement groove is connected with the resistance board. When the corresponding placement groove needs to be replaced, the corresponding sticky plate is directly torn off from the resistance board, and a new sticky plate is stuck on the resistance board, which is simple and fast. The top wall of the work disc is connected with a rust collecting plate for collecting rust. Through the above technical scheme, the rust collecting plate can collect the iron filings falling from the reinforcing bar bending part, so that the iron filings are not easy to scatter everywhere. The rust collecting plate and the work disc are detachably connected. When the rust collecting plate collects a certain amount of rust, the detachable connection of the rust and the work disc facilitates replacing the rust collecting plate. The inner side wall of the placement groove is connected with a wear-resistant pad. The wear-resistant pad can prevent the reinforcing bar with patterns from wearing the inner side wall of the placement groove.
[0003] The above-mentioned patent has the following deficiencies:
[0004] Single operation can only bend the reinforcing bar once, but when bending the reinforcing bar into stirrups, the reinforcing bar should not be bent four times at a time, so the bending efficiency of the stirrups is low. UTILITY MODEL CONTENTS
[0005] In view of the problems existing in the prior art reinforcing bar bending machine for constructional engineering, the utility model is proposed.
[0006] The building engineering steel bar bending machine has the advantages that the steel bar can be bent twice through the bending mechanism, and the bending efficiency of the stirrup is improved.
[0007] To solve the above technical problems, according to one aspect of the present application, the present application provides the following technical scheme:
[0008] The building engineering steel bar bending machine has the advantages that the steel bar can be bent twice through the bending mechanism, and the bending efficiency of the stirrup is improved.
[0009] As a preferred scheme of the building engineering steel bar bending machine, the bending mechanism comprises a driving box welded at the top end of the L-shaped support column, the top end and the bottom end of the driving box are rotatably connected with a rotating shaft rod and a rotating shaft tube through bearings respectively, the rotating shaft rod and the rotating shaft tube are fixedly installed with a first bevel gear and a second bevel gear respectively, the first bevel gear and the second bevel gear are both meshed with a third bevel gear, the inner wall of the third bevel gear is fixedly connected with a support shaft, and the end of the support shaft is rotatably connected with the driving box through a bearing.
[0010] A support beam is welded on the outer wall of the rotating shaft tube, a first support pin is welded on the bottom of the support beam, and a first roller is rotatably connected with the first support pin through a bearing.
[0011] A rotating disc is welded on the bottom of the rotating shaft rod, a second support pin is welded on the top end of the rotating disc, and a second roller is rotatably connected with the second support pin through a bearing.
[0012] As a preferred scheme of the building engineering steel bar bending machine, the front end opening of the driving box is hingedly connected with a box door through a hinge, and the top end of the rotating shaft rod is welded with a driving rod.
[0013] As a preferred scheme of the building engineering steel bar bending machine, the top end of the support table is welded with a support block, and the U-shaped steel bar holder is welded on the support block.
[0014] As a preferred scheme of the building engineering steel bar bending machine, the bottom end of the support table is installed with a support column, and the bottom end of the support column is installed with a bottom support plate.
[0015] As a preferred scheme of the reinforcing steel bar bending machine for building engineering, the first supporting connecting seat is welded to the bottom end of the supporting table, the top end of the supporting column is inserted into the first supporting connecting seat, and the first supporting connecting seat and the supporting column are fixed through bolts.
[0016] As a preferred scheme of the reinforcing steel bar bending machine for building engineering, the first supporting connecting seat is welded to the bottom end of the supporting table, the top end of the supporting column is inserted into the first supporting connecting seat, and the first supporting connecting seat and the supporting column are fixed through bolts.
[0017] Compared with the prior art,
[0018] By setting the bending mechanism, the driving of the driving rod can drive the supporting beam and the rotating disc to synchronously and reversely operate, so that the twice bending of the reinforcing steel bar can be realized at a time, so that the reinforcing steel bar can be bent into a hoop by twice operation, and the bending processing efficiency of the hoop is greatly improved. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 The structure schematic view provided by the utility model is provided.
[0020] Figure 2 The structure schematic view provided by the utility model is provided Figure 1 The partial sectional view of the utility model is provided.
[0021] Figure 3 The partial sectional view of the utility model is provided Figure 1 The partial sectional view of the utility model is provided.
[0022] Figure 4 The schematic view of the first supporting connecting seat provided by the utility model is provided.
[0023] In the drawing: bottom supporting plate 1, second supporting connecting seat 2, supporting column 3, first supporting connecting seat 4, supporting table 5, reinforcing steel bar 6, first supporting pin 7, first roller 71, supporting block 8, U-shaped clamping reinforcing steel bar seat 9, rotating disc 10, second supporting pin 11, second roller 111, rotating shaft rod 12, L-shaped supporting column 13, rotating shaft pipe 14, supporting beam 15, driving box 16, box door 17, driving rod 18, first conical gear 19, second conical gear 20, third conical gear 21, supporting shaft 22. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear, the following will combine the drawings to make the further detailed description of the embodiment of the utility model.
[0025] The utility model provides a reinforcing steel bar bending machine for building engineering, please refer to Figures 1-4, including support table 5, the bottom end of support table 5 is provided with support column 3, specifically, the bottom end of support table 5 is welded with first support connecting seat 4, the top end of support column 3 is inserted into first support connecting seat 4, and first support connecting seat 4 and support column 3 are fixed through bolts, the bottom end of support column 3 is provided with bottom support plate 1, specifically, the top end of bottom support plate 1 is welded with second support connecting seat 2, the bottom end of support column 3 is inserted into second support connecting seat 2, and second support connecting seat 2 and support column 3 are fixed through bolts, the top end of support table 5 is provided with L-shaped support column 13, U-shaped clamping steel bar seat 9 is installed on support table 5, and the top end of L-shaped support column 13 is provided with bending mechanism; the steel bar 6 can be bent twice through the bending mechanism.
[0026] The bending mechanism comprises a drive box 16 welded to the top end of the L-shaped support column 13, a rotating shaft rod 12 and a rotating shaft tube 14 are rotatably connected to the top end and the bottom end of the drive box 16 through bearings respectively, a first bevel gear 19 and a second bevel gear 20 are fixedly installed on the rotating shaft rod 12 and the rotating shaft tube 14 respectively, the first bevel gear 19 and the second bevel gear 20 are both meshingly connected with a third bevel gear 21, the inner wall of the third bevel gear 21 is fixedly connected with a support shaft 22, and the distal end of the support shaft 22 is rotatably connected with the drive box 16 through a bearing; under the drive of the first bevel gear 19, the second bevel gear 20 and the third bevel gear 21, the rotating shaft rod 12 and the rotating shaft tube 14 are synchronously and reversely operated;
[0027] A support beam 15 is welded to the outer wall of the rotating shaft tube 14, a first support pin 7 is welded to the bottom of the support beam 15, and a first roller 71 is rotatably connected to the first support pin 7 through a bearing;
[0028] A turntable 10 is welded to the bottom of the rotating shaft rod 12, a second support pin 11 is welded to the top end of the turntable 10, and a second roller 111 is rotatably connected to the second support pin 11 through a bearing; the rotating shaft rod 12 and the rotating shaft tube 14 are synchronously and reversely operated, so that the support beam 15 and the turntable 10 are synchronously and reversely operated, and the steel bar 6 is bent twice through the first roller 71 and the second roller 111.
[0029] A box door 17 is hingedly connected to the opening of the front end of the drive box 16 through a hinge, and a drive rod 18 is welded to the top end of the rotating shaft rod 12.
[0030] A support block 8 is welded to the top end of the support table 5, and the U-shaped clamping steel bar seat 9 is welded to the support block 8.
[0031] In specific use, the steel bar 6 is placed in the U-shaped clamping steel bar seat 9, the drive rod 18 is driven to rotate to drive the rotating shaft rod 12 to rotate, the rotating shaft rod 12 and the rotating shaft tube 14 are synchronously and reversely operated under the drive of the first bevel gear 19, the second bevel gear 20 and the third bevel gear 21, so that the first roller 71 and the second roller 111 bend the steel bar 6 twice.
[0032] Although the utility model has been described above with reference to the embodiments, various modifications can be made to it and equivalent components can be substituted for those therein without departing from the scope of the utility model. In particular, each of the features disclosed in the embodiments of the utility model can be used in combination with any other feature in any way, provided that there is no structural conflict. The combinations of these features are not exhaustively described in the specification merely for the sake of brevity and resource conservation. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. A steel bar bending machine for construction engineering, comprising a support platform (5), wherein an L-shaped support column (13) is installed at the top of the support platform (5), and a U-shaped steel bar clamping seat (9) is installed on the support platform (5), characterized in that: The top of the L-shaped support column (13) is equipped with a bending mechanism; the bending mechanism can be used to bend the steel bar (6) twice.
2. The steel bar bending machine for construction engineering according to claim 1, characterized in that, The bending mechanism includes a drive box (16) welded to the top of an L-shaped support column (13). The top and bottom ends of the drive box (16) are rotatably connected to a rotating shaft rod (12) and a rotating shaft tube (14) via bearings, respectively. A first bevel gear (19) and a second bevel gear (20) are fixedly installed on the rotating shaft rod (12) and the rotating shaft tube (14), respectively. The first bevel gear (19) and the second bevel gear (20) are both meshed with a third bevel gear (21). The inner wall of the third bevel gear (21) is fixedly connected to a support shaft (22). The end of the support shaft (22) is rotatably connected to the drive box (16) via a bearing. A support beam (15) is welded to the outer wall of the rotating shaft tube (14), and a first support pin (7) is welded to the bottom of the support beam (15). A first roller (71) is rotatably connected to the first support pin (7) through a bearing. The bottom of the rotating shaft (12) is welded with a turntable (10), and the top of the turntable (10) is welded with a second support pin (11). The second support pin (11) is rotatably connected to a second roller (111) via a bearing.
3. A steel bar bending machine for construction engineering according to claim 2, characterized in that, The front opening of the drive box (16) is hinged to a door (17), and the top of the rotating shaft (12) is welded to a drive rod (18).
4. A steel bar bending machine for construction engineering according to claim 2, characterized in that, The top of the support platform (5) is welded with a support block (8), and the U-shaped steel bar holder (9) is welded to the support block (8).
5. A steel bar bending machine for construction engineering according to claim 1, characterized in that, The bottom end of the support platform (5) is equipped with a support column (3), and the bottom end of the support column (3) is equipped with a bottom support plate (1).
6. A steel bar bending machine for construction engineering according to claim 5, characterized in that, The bottom end of the support platform (5) is welded with a first support connecting seat (4), the top end of the support column (3) is inserted into the first support connecting seat (4), and the first support connecting seat (4) and the support column (3) are fixed together by bolts.
7. A steel bar bending machine for construction engineering according to claim 6, characterized in that, The bottom support plate (1) is welded to the top of a second support connecting seat (2), the bottom end of the support column (3) is inserted into the second support connecting seat (2), and the second support connecting seat (2) and the support column (3) are fixed together by bolts.
Citation Information
Patent Citations
Steel bar bender
CN218080133U