CN103600008B - Many specification aligning row switching mechanisms of steel-bar automatic hoop bender - Google Patents

Abstract

The present invention discloses a kind of many specification aligning row switching mechanisms of steel-bar automatic hoop bender, its structure comprises: a movable frame, movable frame top supports multiple aligning rows that different size aligning wheel is housed by bracing frame, multiple aligning row interval arranged side by side arranges and is parallel to reinforcing bar respectively and moves axially direction; Bottom movable frame, connect reciprocating device, reciprocating device drives movable frame to move along moving axially direction perpendicular to reinforcing bar, is convenient to the corresponding different size reinforcing bar of different size aligning row and aligns.The invention has the beneficial effects as follows: by the movement of movable frame, a steel-bar automatic hoop bender automatically switches, the reinforcing bar of many specifications different-diameter reinforcing bar can be aligned, a steel-bar automatic hoop bender can be produced the finished product stirrup of many specifications different-diameter, applied widely, production efficiency is high, has structure simple, advantage easily.

Description

Multi-standard straightening row switching mechanism of steel bar automatic hoop bending machine

technical field

The invention relates to an automatic steel bar hoop bending machine, in particular to a multi-standard straightening row switching mechanism of the steel bar automatic hoop bending machine.

Background technique

With the rapid development of economic construction, the automatic processing equipment for bending steel bars into stirrups - the automatic steel bar bending machine has been widely used. The prior art steel bar automatic hoop bending machine comprises: a feeding mechanism, a traction mechanism, a straightening mechanism, a bending mechanism and a shearing mechanism. The straightening row mechanism in the steel bar automatic bending machine is usually set in front of the traction mechanism. The function of the straightening row mechanism is to straighten the bent steel bar into a straight steel bar, which is convenient for the subsequent process to bend into different shapes of stirrups.

Only one set of straightening row mechanism is configured on the automatic steel bar bending machine in the prior art. When bending steel bars with different specifications and diameters, the straightening wheels in the straightening row mechanism must be replaced to adapt to processing steel bars with different specifications and diameters. The straightening mechanism of the above-mentioned prior art steel bar automatic hoop bending machine has single production, low efficiency, and is not suitable for the needs of producing multi-standard steel bars.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the above-mentioned technologies, and provide a straightening mechanism with multiple straightening wheel sets with multiple specifications suitable for steel bars of different diameters, and a multi-standard straightening machine for automatic steel bar bending hoops that can be automatically switched in place according to different diameters of steel bars Row switching mechanism.

The technical scheme that solves the above-mentioned technical problem is:

A multi-standard straightening row switching mechanism of a steel bar automatic hoop bending machine. The multi-standard straightening row switching mechanism includes: a movable frame, and the upper part of the movable frame supports multiple straightening wheels equipped with different specifications of straightening wheels through a support frame. A plurality of straightening rows are arranged side by side at intervals and are respectively parallel to the axial movement direction of the steel bar; a reciprocating movement mechanism is connected at the bottom of the movable frame, and the reciprocating movement mechanism drives the movable frame to move along the direction perpendicular to the axial movement of the steel bar, which is convenient for straightening with different specifications Rows correspond to different specifications of steel bars for straightening.

The preferred solution is: each of the straightening rows includes a plurality of straightening wheel sets arranged at the same interval, and each straightening wheel set includes: a movable upper straightening wheel, a fixed lower straightening wheel positioned at the bottom of the upper straightening wheel The straightening wheel and the straightening wheel bracket; the straightening wheel bracket is fixed on the support frame, the lower straightening wheel is hinged on the lower part of the straightening wheel bracket, and the movable upper straightening wheel is installed in the upper groove of the straightening wheel bracket, and the threaded hole on the top of the straightening wheel bracket Equipped with an adjusting screw, the threaded end surface of the adjusting screw is pushed against the upper side of one end of the upper straightening wheel shaft, the other end of the upper straightening wheel shaft is hinged to the upper straightening wheel, the lower side of one end of the upper straightening wheel shaft contacts the upper end of the spring, and the lower end of the spring is inserted into the straightening wheel In the round hole slot of the bracket.

The preferred solution is: the reciprocating mechanism includes a reciprocating mechanism composed of a screw nut, the two ends of the screw are hingedly supported on the frame, and one end of the screw is connected to the motor reducer; the nut fitted on the screw Fixed on the bottom of the movable frame, the motor reducer drives the nut to move to drive the movable frame to move back and forth.

The preferred solution is: the reciprocating mechanism includes: one of a cylinder/oil cylinder, a rack and pinion transmission mechanism, and a sprocket and chain transmission mechanism

The beneficial effects of the present invention are: the present invention overcomes the defects of the prior art, and the present invention can automatically switch on a steel bar automatic hoop bending machine through the movement of the movable frame, and can straighten steel bars of multiple specifications and different diameters, The steel bar automatic hoop bending machine can produce finished hoops with multiple specifications and different diameters. It has a wide range of applications, high production efficiency, and has the advantages of simple structure and convenience.

Description of drawings

Fig. 1 is the front view of the present invention;

Fig. 2 is a cross-sectional view along line A-A of Fig. 1 .

"Description of Serial Numbers in the Attached Drawings"

1: motor reducer 2: lead screw; 2a: nut; 3: movable frame; 4: straightening row; 5: support frame; 6: straightening wheel group; 7: straightening wheel bracket; 8: fixed platen; bit plate; 10: frame; 11: bearing seat; 13: coupling; 14: bearing; 15: upper straightening wheel; 16: lower straightening wheel; 17: spring; 18: lower straightening wheel shaft; 19: Upper straightening axle; 21: adjusting screw; 22: steel bar.

detailed description

Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is a front view of the present invention; Fig. 2 is a sectional view of A-A of Fig. 1 .

The invention provides a multi-standard straightening row switching mechanism of a steel bar automatic hoop bending machine. The multi-standard straightening row switching mechanism includes: a movable frame 3, and the upper part of the movable frame 3 is supported by a support frame 5 and equipped with different specifications of straightening rods. A plurality of straightening rows 4 of the wheel, a plurality of straightening rows 4 are arranged side by side at intervals and are respectively parallel to the axial movement direction of the steel bar 22; a reciprocating mechanism is connected at the bottom of the movable frame 3, and the reciprocating mechanism drives the movable frame 3 along a direction perpendicular to the reinforcing bar The 22 axially moves in the moving direction, which is convenient for the straightening row 4 of different specifications to carry out straightening corresponding to the steel bars 22 of different specifications.

Each of the straightening rows 4 includes a plurality of straightening wheel sets 6 arranged at the same interval in structure, and each straightening wheel set 6 includes: a movable upper straightening wheel 15, a fixed lower straightening wheel positioned at the bottom of the upper straightening wheel 15 Straightening wheel 16, straightening wheel support 7; said straightening wheel support 7 is fixed on the support frame 5, and the lower straightening wheel 16 is hinged at the bottom of the straightening wheel support 7, and the movable upper straightening wheel 15 is housed in the upper groove of the straightening wheel support 7 , the threaded hole at the top of the straightening wheel bracket 7 is equipped with an adjusting screw 21, the threaded end face of the adjusting screw 21 is pushed against the upper side of the upper straightening wheel shaft 19 one end, and the upper straightening wheel shaft 19 other end is hinged to the upper straightening wheel 15, and the upper straightening wheel shaft 19 is hinged. The lower side of straight wheel axle 19 one ends contacts spring 17 upper ends, and spring 17 lower ends insert in the circular hole groove of straightening wheel support 7.

More specifically, as shown in Figure 2, the lower end of the support frame 5 is welded and fixed on the movable frame 3, the upper end of the support frame 5 is fixed with a fastener and supports the straightening wheel bracket 7, and the fastener is passed through the lower hole of the straightening wheel bracket 7. One end of the lower straightening wheel shaft 18 is fixed with the fixed pressing plate 8, and the other end of the lower straightening wheel shaft 18 is equipped with the lower straightening wheel 16 by the bearing; Fasteners are used to fix the limiting plate 9 on one end face of the upper straightening wheel shaft 19, and the limiting plate 9 slides along with the upper straightening wheel shaft 19 along one side of the upper part of the straightening wheel bracket 7, and the other end of the upper straightening wheel shaft 19 is hinged by a bearing Upper straightening wheel 15; Upper straightening wheel 15 and lower straightening wheel 16 are all positioned at the other side of straightening wheel support 7. Each straightening wheel group 6 adjusts the movement of the upper straightening wheel shaft 19 by adjusting the adjusting screw 21, so that the upper straightening wheel 15 moves and better contacts the steel bar 22 to complete the straightening of the steel bar.

The reciprocating movement mechanism includes a reciprocating movement mechanism composed of a lead screw nut, the two ends of the lead screw 2 are hingedly supported on the frame 10, and one end of the lead screw 2 is connected to the motor reducer 1; The nut 2a is fixed on the bottom of the movable frame 3, and the motor reducer 1 drives the nut 2a to move to drive the movable frame 3 to move back and forth.

More specifically, as shown in FIG. 2 , one end of the lead screw 2 is connected to the motor reducer 1 with a coupling 13 , the motor reducer 1 is fixed on the frame 10 , and the other end of the lead screw 2 passes through the bearing 14 Hinged on the bearing seat 11, said bearing seat 11 is fixed on the frame 10.

The reciprocating mechanism includes: one of a cylinder/oil cylinder, a rack and pinion transmission mechanism, and a sprocket and chain transmission mechanism.

More specifically, as shown in Fig. 1 and Fig. 2, the straightening row 4 has six side-by-side intervals, and the six straightening rows 4 are equipped with straightening wheels of different specifications respectively. The straightening wheels from top to bottom are respectively The straightening wheels of the first two straightening rows 4 are the single steel bars of the different diameters of the straightening size, and the straightening wheels of the four rear straightening rows 4 are the double steel bars of the different diameters of the straightening size. That is, the six parallel straightening rows 4 correspond to straightening steel bars of six different specifications. When it is necessary to straighten the steel bars of one of the specifications, the reciprocating mechanism drives the movable frame 3 to move, so that the straightening row 4 of one of the specifications Align the central position of the axial movement of the steel bar for straightening.

Each straightening row 4 comprises six straightening wheel groups 6 arranged at the same interval of structure again, and each straightening wheel group 6 all comprises an upper straightening wheel 15 and a lower straightening wheel 16 of the same specification, and the six straightening wheel groups 6 can Straighten the steel bars of this specification.

The working process of the present invention is described below:

When the present invention works, the motor reducer 1 drives the lead screw 2 to rotate, so that the nut 2a fitted on the lead screw 2 moves along the lead screw 2, and the movable frame 3 fixed on the nut 2a moves accordingly, corresponding to the steel bar 22 The straightening row 4 of specification moves to steel bar 22 axial positions and steel bar is straightened; The movement of movable frame 3 realizes straightening multi-standard different-diameter steel bars on a steel bar automatic hoop bending machine.

Claims (3)

1. many specification aligning row switching mechanisms of a steel-bar automatic hoop bender, it is characterized in that, described many specification aligning row switching mechanisms comprise: a movable frame (3), multiple alignings row (4) of different size aligning wheel are equipped with by bracing frame (5) support in movable frame (3) top, and multiple aligning row (4) interval arranged side by side arranges and is parallel to reinforcing bar (22) respectively and moves axially direction; Reciprocating device is connected in movable frame (3) bottom, reciprocating device drives movable frame (3) to move along moving axially direction perpendicular to reinforcing bar (22), is convenient to different size aligning row (4) corresponding different size reinforcing bar (22) and aligns;

Described each aligning row (4) comprises the multiple strong wheels (6) that structure same intervals is arranged, and each strong wheels (6) include: mobile upper aligning is taken turns (15), is positioned at fixing lower aligning wheel (16) in aligning wheel (15) bottom, strong wheel support (7), described strong wheel support (7) is fixed on bracing frame (5), under rectifying wheel support (7) lower hinge, aligning takes turns (16), rectify wheel support (7) upper slot built with mobile upper aligning wheel (15), adjustment screw (21) is fitted with in the screwed hole at strong wheel support (7) top, adjustment screw (21) screw thread end face withstands on the upper side of aligning wheel shaft (19) one end, hinged upper aligning wheel (15) of upper aligning wheel shaft (19) other end, downside contact spring (17) upper end of upper aligning wheel shaft (19) one end, spring (17) lower end is inserted in the circle hole groove of strong wheel support (7).

2. according to many specification aligning row switching mechanisms of the steel-bar automatic hoop bender described in claim 1, it is characterized in that, described reciprocating device comprises the reciprocating device be made up of feed screw nut, described leading screw (2) two ends are hinged and are supported in frame (10), and leading screw (2) one end connects motor reducer (1); The nut (2a) be fitted on leading screw (2) is fixed on movable frame (3) bottom, and the mobile movable frame (3) that drives of motor reducer (1) drive nut (2a) moves back and forth.

3., according to the many specifications aligning row switching mechanisms of the steel-bar automatic hoop bender described in claim 1, it is characterized in that, described reciprocating device comprises: cylinder, oil cylinder, rack and pinion drive mechanism, sprocket chain strip transmission mechanism one of them.