CN201275583Y - Shearing mechanism of hoop bending machine - Google Patents

Abstract

The utility model discloses a shearing mechanism arranged on a hoop bending machine. The shearing machine is arranged on a machine frame of the hoop bending machine and comprises a crankshaft connected with a transmission mechanism, an eccentric shaft arranged in the eccentric center of the crankshaft, a connecting rod, a swinging arm, a movable cutting tool, and a fixed blade, wherein, the swinging arm is articulated with a fixed shaft, and the fixed shaft is fixed on the machine frame; one end of the connecting rod is articulated with the eccentric shaft, while the other end thereof is articulated with a movable hinge shaft together with one end of the swinging arm; the movable cutting tool is fixed to the other end of the swinging arm and swings up and down along the end surface of a reinforcing bar perforation formed on the machine frame. The utility model has the beneficial effects that the shearing mechanism arranged on the hoop bending machine adopts a mechanical transmission structure and has the characteristics of simple structure, easy manufacture, high efficiency and energy conservation. Furthermore, the shearing mechanism is replaced and maintained conveniently and has low cost.

Description

Shear mechanism on hoop bending machine

technical field

The utility model relates to a hoop bending machine, in particular to a shear mechanism on the hoop bending machine.

Background technique

At present, in the construction of the construction industry, in order to increase the bonding strength of concrete, steel bars need to be bent into steel stirrups in shapes such as triangles, curves, rhombuses, and hexagons. The hoop bending machine is a special equipment for processing steel bars into the above shapes. The shearing mechanism of the hoop bending machine in the prior art is a hydraulic shearing mechanism controlled by a hydraulic device. The hydraulic shearing mechanism not only has a complete hydraulic control system, but also has an electronic control system used in conjunction with it. Therefore, the above-mentioned hydraulic shearing mechanism of the prior art has the following defects: complex structure, difficult operation, easy leakage and many faults.

Contents of the invention

The purpose of this utility model is to overcome the deficiencies of the above-mentioned technology, and provide a shearing mechanism on the hoop bending machine that adopts a mechanical transmission structure to complete the shearing of steel bars, has a simple structure, is easy to operate, and is convenient to use.

The technical solution to solve the above-mentioned technical problems is: a shearing mechanism on a hoop bending machine, the shearing mechanism is arranged on the frame of the hoop bending machine, and the shearing mechanism includes: a crankshaft connected with a transmission mechanism, arranged on The eccentric shaft, connecting rod, swing arm, movable cutter and fixed blade on the eccentric crankshaft; the swing arm is hinged on the fixed shaft, and the fixed shaft is fixed on the frame; one end of the connecting rod is hinged on the eccentric shaft, The other end of the connecting rod and one end of the swing arm are jointly hinged on a movable hinge shaft; the other end of the swing arm is fixed with a movable cutter; the movable cutter swings up and down along the perforated end face of the steel bar on the frame.

The beneficial effects of the utility model are: the shearing mechanism on the hoop bending machine of the utility model adopts a mechanical transmission structure, and has the characteristics of simple structure, easy manufacture, high efficiency and energy saving. The utility model is convenient for replacement and maintenance, and has low manufacturing cost.

Description of drawings

Fig. 1 is the front view of the movable blade of the utility model in the state of shearing completion;

Fig. 2 is a partial sectional view of B-B in Fig. 1;

Fig. 3 is a front view of the movable blade in Fig. 1 when it is lifted;

Fig. 4 is a sectional view along line A-A in Fig. 1 .

"Explanation of the main serial numbers in the drawings"

1: Brake motor 2: Reducer 3: Rack 4a: Crankshaft 4b: Eccentric shaft

5: Connecting rod 6: Gland 7: Bearing 8: Steel bar 9: Movable blade

10: swing arm 11: fixed blade 12: movable hinge 14: fixed hinge

Detailed ways

Embodiments of the utility model are described in further detail below in conjunction with the accompanying drawings.

Fig. 1 is the front view of the movable blade of the present invention in the state of shearing completion; Fig. 2 is a partial sectional view of B-B in Fig. 1; Fig. 3 is a front view of the movable blade in Fig. 1 when it is lifted; Fig. 4 is a sectional view of A-A in Fig. 1 .

As shown in Figures 1 to 4, the utility model provides a shearing mechanism on a hoop bending machine, and the shearing mechanism is arranged on the frame 3 of the hoop bending machine.

The shearing mechanism includes: a crankshaft 4a connected to a transmission mechanism, an eccentric shaft 4b arranged on the eccentric of the crankshaft 4a, a connecting rod 5, a swing arm 10, a movable cutter 9, and a fixed blade 11.

The swing arm 10 is hinged on a fixed shaft 14 fixed on the frame 3 .

One end of the connecting rod 5 is hinged on the eccentric shaft 4b, and the other end of the connecting rod 5 and one end of the swing arm 10 are jointly hinged on a movable hinge shaft 12; the other end of the swing arm 10 is fixed with a movable cutter 9; the movable cutter 9 Swing up and down along the steel bar 8 perforated end face on the frame 3.

The transmission mechanism includes: a brake motor 1 and a reducer 2; the output shaft of the brake motor 1 is connected to the input end of the reducer 2, and the output end of the reducer 2 is connected to the crankshaft 4a.

The fixed blade 11 is fixedly arranged on the perforated end of the steel bar 8 on the frame 3 .

The working process of the present utility model is described below:

Driven by the brake motor 1, the transmission mechanism of the present utility model drives the internal reduction mechanism of the reducer 2 to rotate, and the crankshaft 4a connected to the output end of the reducer 2 also rotates accordingly, and the eccentric shaft 4b on the eccentric of the crankshaft 4a also rotates and is hinged. The connecting rod 5 on the eccentric shaft 4b swings up and down thereupon. The swing arm 10 hinged with the connecting rod 5 is driven by the connecting rod 5 to swing up and down around the fixed shaft 14, and the movable cutter 9 fixed on the other end of the swing arm 10 swings up and down along the perforated end face of the steel bar 8, and the steel bar 8 is cut. Fig. 1 and Fig. 3 show movable cutting knife 9 cutting state and lifting state respectively.

Claims (3)

1. a shearing mechanism on a hoop bending machine, said shearing mechanism is arranged on the frame (3) of a hoop bending machine, it is characterized in that said shearing mechanism comprises: a crankshaft (4a) connected with transmission mechanism , the eccentric shaft (4b), connecting rod (5), swing arm (10), movable cutter (9), fixed blade (11) that are arranged on the crankshaft (4a) eccentric; the swing arm (10) is hinged on On the fixed shaft (14), the fixed shaft (14) is fixed on the frame (3); one end of the connecting rod (5) is hinged on the eccentric shaft (4b), and the other end of the connecting rod (5) is connected to the swing arm ( 10) are jointly hinged on a movable hinge shaft (12); the other end of the swing arm (10) is fixed with a movable cutter (9); the movable cutter (9) moves along the steel bar (8) on the frame (3). ) swing up and down on the perforated end face. 2. According to the shearing mechanism on the hoop bending machine described in claim 1, it is characterized in that, the transmission mechanism includes: brake motor (1), reducer (2); brake motor (1) output shaft connection At the input end of the reducer (2), the output end of the reducer (2) is connected to the crankshaft (4a). 3. The shearing mechanism on the hoop bending machine according to claim 1, characterized in that, the fixed blade (11) is fixedly arranged on the perforated end of the steel bar (8) on the frame (3).

Images