CN216027752U - Shearing mechanism of hoop bending machine - Google Patents
Shearing mechanism of hoop bending machine Download PDFInfo
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- CN216027752U CN216027752U CN202121938484.6U CN202121938484U CN216027752U CN 216027752 U CN216027752 U CN 216027752U CN 202121938484 U CN202121938484 U CN 202121938484U CN 216027752 U CN216027752 U CN 216027752U
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- shearing
- connecting rod
- bending machine
- driving mechanism
- crankshaft
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Abstract
The utility model discloses a shearing mechanism of a hoop bending machine, which comprises: the cutting device comprises a crankshaft connected with the output end of a driving mechanism, an eccentric shaft arranged on the crankshaft, a limiting rod, a connecting rod, a shearing arm, a movable cutter and a fixed blade; the shearing arm is hinged on the fixed shaft on the rack; one end of the connecting rod is connected with the eccentric shaft, and the other end of the connecting rod is movably hinged with the shearing arm; one end of the shearing arm is fixedly provided with a movable cutter, and the movable cutter swings up and down along the direction vertical to the conveying direction of the workpiece; key grooves matched with each other are formed in the limiting rod and the output shaft of the driving mechanism, so that the limiting rod is fixed on the output shaft of the driving mechanism; the utility model discloses a can solve current hoop bending machine and cut the technical problem that the mechanism structure is complicated, stability reliability is not enough, and the operation degree of difficulty is big and the difficulty is changed in later stage maintenance.
Description
Technical Field
The utility model relates to the technical field of building material processing equipment, in particular to a shearing mechanism of a hoop bending machine.
Background
At present, in the construction of the building industry, in order to increase the strength of a concrete structure, a steel stirrup with a triangular shape, a curved shape, a rhombic shape, a hexagonal shape and the like needs to be bent. The hoop bending machine is special equipment for processing and shaping the reinforcing steel bars into the shape.
The existing shearing mechanisms of related hoop bending machines are roughly divided into two types: one is a hydraulic shearing mechanism controlled by a hydraulic device, and the hydraulic shearing mechanism not only has a complete hydraulic control system, but also has an electric control system matched with the hydraulic shearing mechanism for use, and has the defects of complex structure, high operation difficulty, easy leakage, multiple faults and the like; the other type is to adopt a mechanical transmission structure to finish shearing the reinforcing steel bars, and has high efficiency and easy operation, but has complex structure, more points with easy failure and difficult disassembly and replacement, thus leading to poor continuity of the production process and low production efficiency.
Therefore, the shearing mechanism of the hoop bending machine, which is simple in structure, stable and reliable in performance and convenient to maintain and replace at the later stage, can reduce the maintenance and use cost, realize the production continuity and improve the production efficiency, has very important significance.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
The utility model aims to provide a shearing mechanism of a hoop bending machine, and aims to solve the technical problems of complex structure, high operation difficulty and difficulty in later maintenance of the shearing mechanism of the relevant hoop bending machine.
In order to solve the technical problems, the utility model adopts the following technical scheme:
designing a shearing mechanism of hoop bending machine includes: the cutting device comprises a rack, a crankshaft connected with a driving mechanism, an eccentric shaft arranged on the crankshaft, a limiting rod, a connecting rod, a shearing arm, a movable cutter and a fixed blade; the shearing arm is hinged on the fixed shaft on the rack; one end of the connecting rod is connected with the eccentric shaft, and the other end of the connecting rod is movably hinged with the shearing arm; one end of the shearing arm is fixedly provided with the movable cutter, and the movable cutter swings up and down along the direction vertical to the conveying direction of the workpiece; mutually matched key grooves are formed in the limiting rod and the output shaft of the driving mechanism, so that the limiting rod is fixed on the output shaft of the driving mechanism.
Preferably, a bearing matched with the eccentric shaft is sleeved in the connecting rod.
Preferably, the driving mechanism comprises a driving motor and a speed reducer; and the output shaft of the speed reducer is fixedly connected with the crankshaft.
Preferably, the speed reducer is mounted on the frame through a flange and a fastener.
Preferably, the fixed blade is fixedly arranged at the lower part of the workpiece punching end on the frame.
Compared with the prior art, the utility model has the main beneficial technical effects that:
the utility model adopts the design of the eccentric shaft and is positioned by the limiting rod, the structure is simple, the connecting rod drives the shearing arm to swing and cut, the working performance is stable and reliable, compared with the existing integrated swinging shearing arm, the structural design is convenient for later maintenance and replacement, the maintenance and use cost is reduced, the production continuity can be realized, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of a shearing mechanism of a hoop bending machine according to the present invention.
Fig. 2 is a schematic structural diagram of a shearing mechanism of the hoop bending machine of the present invention.
FIG. 3 is a schematic view of the structure of the crankshaft, the limiting rod and the eccentric shaft.
In the above drawings, 1 is a driving motor, 2 is a speed reducer, 3 is a frame, 4 is a crankshaft, 5 is an eccentric shaft, 6 is a connecting rod, 7 is a bearing, 8 is a workpiece, 9 is a movable blade, 10 is a shear arm, 11 is a fixed blade, 12 is a movable hinge shaft, 13 is a fixed hinge shaft, and 14 is a limit rod.
Detailed Description
The following examples are intended to illustrate the present invention in detail and should not be construed as limiting the scope of the present invention in any way.
In the description of the present invention, it is to be understood that the orientations or positional relationships indicated as referring to the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings only for the convenience of describing technical solutions and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Example 1: a shearing mechanism of a hoop bending machine, referring to fig. 1 to 3, the shearing mechanism is arranged on a frame 3 of the hoop bending machine, and the shearing mechanism comprises: the crankshaft 4 connected with the output end of the driving mechanism and the eccentric shaft 5 arranged on the crankshaft 4 can further adjust the up-and-down swing amplitude of the shearing arm 10 according to the fixed position of the eccentric shaft 5 on the crankshaft 4; the driving mechanism comprises a driving motor 1 and a speed reducer 2; an output shaft of the driving motor 1 is connected to an input end of a speed reducer 2, and the speed reducer 2 is fixedly installed on the rack 3 through a flange and a bolt; the limiting rod 14 is sleeved on an output shaft of the speed reducer 2, a key groove is formed in the limiting rod 14, the key groove is matched with the key groove in the output shaft of the speed reducer 2, so that the limiting rod 14 is fixed on the output shaft of the speed reducer 2, the limiting rod 14 follows up when the output shaft rotates, and when the limiting rod 14 abuts against the support 3, a shearing action is completed; the eccentric shaft 5 is fixed on the shaft pin, the central axis of the eccentric shaft 5 and the central axis of the output shaft are on the same plane, but not in the same plane, the eccentric shaft 5 is arranged at one end of a connecting rod 6 in a penetrating way, a rotating bearing 7 is embedded in the connecting rod 6, the bearing 7 is matched with the eccentric shaft 5, the other end of the connecting rod 6 and one end of the shearing arm 10 are hinged on a movable hinge shaft 12 together, the frame 3 also comprises a fixed hinge shaft 13, the shearing arm 10 is provided with a through hole matched with the shearing arm, so that the shearing arm 10 swings up and down by taking the fixed hinge shaft 13 as a fulcrum under the driving of the connecting rod 5, the other end of the shearing arm 10 is fixed with a movable blade 9, the movable blade 9 swings up and down along the punching end of the workpiece 8 on the frame 3, the lower part of the workpiece punching end is provided with a fixed blade 11 which is matched with the movable blade 9 to jointly shear the workpiece 8.
The using method of the shearing mechanism of the hoop bending machine comprises the following steps:
when the shearing mechanism is used, the output shaft end of the driving motor drives the input end of the speed reducer, after the speed of the speed reducer is changed, the output shaft of the speed reducer drives the crankshaft to rotate, synchronously, the eccentric shaft on the crankshaft drives the connecting rod to move up and down, the connecting rod is movably hinged with the shearing arm and the same movable hinge shaft, and the shearing arm starts to swing by taking the fixed hinge shaft on the rack as a fulcrum, so that the movable blade fixed on the shearing arm moves up and down on the plane of the outlet end of a workpiece and is matched with the fixed blade fixed at the outlet end of the workpiece to finish one shearing action.
While the utility model has been described in detail with reference to the drawings and examples, it will be understood by those skilled in the art that various changes in the details of the embodiments and various changes in the details of construction and materials may be made therein without departing from the spirit of the utility model and without departing from the scope of the utility model.
Claims (5)
1. The utility model provides a shearing mechanism of curved hoop machine, includes the frame, its characterized in that still includes: the cutting device comprises a crankshaft connected with a driving mechanism, an eccentric shaft arranged on the crankshaft, a limiting rod, a connecting rod, a shearing arm, a movable cutter and a fixed blade; the shearing arm is hinged on the fixed shaft on the rack; one end of the connecting rod is connected with the eccentric shaft, and the other end of the connecting rod is movably hinged with the shearing arm; one end of the shearing arm is fixedly provided with the movable cutter, and the movable cutter swings up and down along the direction vertical to the conveying direction of the workpiece; mutually matched key grooves are formed in the limiting rod and the output shaft of the driving mechanism, so that the limiting rod is fixed on the output shaft of the driving mechanism.
2. A shearing mechanism for a hoop bending machine as claimed in claim 1, wherein a bearing fitted with the eccentric shaft is fitted in the connecting rod.
3. A shearing mechanism of a hoop bending machine according to claim 1, wherein the driving mechanism comprises a driving motor and a speed reducer; and the output shaft of the speed reducer is fixedly connected with the crankshaft.
4. A shearing mechanism for a hoop bending machine as claimed in claim 3, wherein the reducer is mounted on the frame by a flange and a fastener.
5. The hoop bender shearing mechanism as claimed in claim 1, wherein said fixed blade is fixedly disposed below the workpiece piercing end of the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121938484.6U CN216027752U (en) | 2021-08-18 | 2021-08-18 | Shearing mechanism of hoop bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121938484.6U CN216027752U (en) | 2021-08-18 | 2021-08-18 | Shearing mechanism of hoop bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216027752U true CN216027752U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121938484.6U Active CN216027752U (en) | 2021-08-18 | 2021-08-18 | Shearing mechanism of hoop bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216027752U (en) |
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2021
- 2021-08-18 CN CN202121938484.6U patent/CN216027752U/en active Active
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