Automatic rebar binding machine

An automatic technology for steel bar binding, which is applied in the fields of construction, building structure, and building material processing, etc., can solve the problems of high labor intensity and slow construction speed, and achieve a high degree of automation, improve binding efficiency, fast and reliable binding Effect

Pending Publication Date: 2018-01-16

福建谊和天宸科技有限公司

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AI-Extracted Technical Summary

Problems solved by technology

[0002] In the construction industry, steel bars are equivalent to the bones of the human body, which play the role of supporting and tying the building body. A large number of steel bars need to be fixed in sequence according to the...

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Abstract

The invention relates to an automatic rebar binding machine. The automatic rebar binding machine comprises a machine body, a wire storage mechanism for storing U-shaped binding wires, a wire discharging mechanism which communicates with the wire storage mechanism and is used for bending the two free ends of each U-shaped binding wire towards one side, and a binding mechanism which is correspondingly arranged on the bent sides of the U-shaped binding wires and used for conducting tightening operation on the two free ends of each U-shaped binding wire. The wire discharging mechanism comprises two guide rails arranged in a spaced mode, and outlets of the guide rails are provided with arc-shaped sections bending towards one side of the binding mechanism. The invention aims to provide the automatic rebar binding machine which is high in automation degree. The automatic rebar binding machine has the advantages that the wire storage mechanism, the wire discharging mechanism and the binding mechanism are arranged, the U-shaped binding wires can be automatically bent, the free ends of the U-shaped binding wires can be automatically tightened, the automation degree is high, and the rebar binding efficiency is greatly improved.

Application Domain

Building material handling

Technology Topic

RebarAutomation +1

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Examples

Experimental program(1)

Example Embodiment

[0023] The content of the present invention will be described in detail below in conjunction with the drawings and embodiments of the specification:

[0024] Such as Figure 1 to 11 Shown is a schematic diagram of an embodiment of an automatic rebar tying machine provided by the present invention.

[0025] An automatic rebar tying machine, which includes a body 1, a wire storage mechanism for storing U-shaped wire ties 5, and a wire outlet that is connected to the wire storage mechanism 2 and bent the two free ends of the U-shaped wire ties 5 to one side The mechanism 3 and the binding mechanism 4 correspondingly arranged on the bending side of the U-shaped wire tie 5 and tightening the two free ends of the U-shaped wire tie 5; the wire-out mechanism 3 includes two guide rails 31 arranged at intervals, and the guide rails 31 An arc section 32 bent to one side of the binding mechanism 4 is provided at the exit of

[0026] The invention adopts a buckle tying method, which is used for tying the joints of transverse and longitudinal steel bars.

[0027] The binding material used in the present invention is a prefabricated U-shaped tie wire 5.

[0028] The U-shaped tie wire 5 should have a certain rigidity to avoid deformation due to insufficient rigidity when feeding the wire.

[0029] The lashing mechanism 4 includes a wire head gathering seat 41, a rotating ring 42 provided on the wire head gathering seat 41, a telescopic compression head 43 that is in position-limiting cooperation with the inner ring of the rotating ring 42, and a driving telescopic compression head 43 inserted into A power assembly that rotates the inner ring of the rotating ring 42 and drives the rotating ring 42 to rotate synchronously; the extension track of the arc section 32 passes through the inner ring of the rotating ring 42.

[0030] The U-shaped tie wire 5 is automatically shaped into an arc after being guided by the arc section 32.

[0031] When the wire feeding mechanism 3 completes the wire feeding operation, the tail end of the U-shaped wire tie 5 abuts against the outer wall of the vertical steel bar 6, and the two free ends of the front side of the U-shaped wire tie 5 bypass the transverse steel bar 6 and pass through To the rotating ring 42 on the rear side of the steel bar 6; the power assembly controls the telescopic compression head 43 to insert into the rotating ring 42, and the two free ends of the U-shaped wire tie 5 are clamped and fixed between the inner ring of the rotating ring 42 and the telescopic compression head 43, And drive the rotating ring 42 to rotate to complete the rotating and tightening operation.

[0032] The tail end of the U-shaped tie wire 5 is fixed on the outer wall of the vertical steel bar 6 located on the upper side of the transverse steel bar 6, and the free end of the U-shaped tie wire 5 is screwed and fixed to the outer wall of the vertical steel bar 6 located on the lower side of the transverse steel bar 6.

[0033] The rotating ring 42 is a bearing.

[0034] The power assembly includes a driven helical gear 44 arranged at the rear end of the telescopic compression head 43, a driving helical gear 45 meshing with the driven helical gear 44, and a motor 46 for driving the driving helical gear 45 to rotate; a driven helical gear 44 is driven by the driving helical gear 45 to rotate and slide back and forth.

[0035] The output shaft of the motor 46 is also provided with a limit cam 47; the rear side of the driven helical gear 44 is provided with a linear motion block 48 that cooperates with the limit cam 47;

[0036] The peripheral wall of the limit cam 47 is provided with a spiral groove 471, two sides of the spiral groove 471 are provided with an annular groove 472, and the connecting part of the annular groove 472 and the spiral groove 471 is tangent; the linear motion block 48 A limit rod 481 sliding in the annular wire groove 472 and the spiral wire groove 471 is provided on the upper side.

[0037] The lashing operation of the present invention is completed by three actions, and the above three actions are all driven by the motor 46. The setting of the limit cam 47 and the linear motion block 48 can effectively divide the three actions of the lashing operation and ensure that each action is effective. In order.

[0038] When the limit rod 481 slides in the spiral groove 471, the telescopic compression head 43 slides back and forth to perform the insertion or withdrawal operation of the telescopic compression head 43;

[0039] When the limit rod 481 is located in the front circular groove 472 and slides cyclically, the telescopic compression head 43 stops moving forward and drives the rotating ring 42 to rotate to perform the binding operation of the U-shaped wire tie 5;

[0040] When the limit rod 481 is located in the rear circular thread groove 472 and circulates and slides, the telescopic compression head 43 stops and moves, and the wire discharging mechanism 3 performs a wire discharging operation to send the U-shaped wire tie 5 into the rotating ring 42.

[0041] The body 1 is provided with a guide bracket 49, and the guide bracket 49 is provided with a guide rod parallel to the axis of the driven helical gear 44; the linear motion block 48 is slidably arranged on the guide rod, and the driven helical gear 44 is rotatably connected On the linear motion block 48.

[0042] The wire outlet mechanism 3 also includes a wire feeding assembly arranged between the wire storage mechanism 2 and the guide rail 31.

[0043] The wire feeding assembly includes two wire feeding wheels 33 that rotate in opposite directions, the two wire feeding wheels 33 are symmetrically arranged and their rotation axes are parallel to each other; each wire feeding wheel 33 is provided with a limit groove 34 on the ring, and the limit groove 34 is facing the U shape The conveying channel of tie 5.

[0044] The U-shaped tie wire 5 is transported between the two limiting grooves 34.

[0045] The two wire feed wheels 33 of the wire feed assembly are respectively provided with synchronized gears 35 meshing with each other, and the output shaft of the motor 46 is provided with a driving bevel gear 36, and the driving bevel gear 36 and the synchronization gear 35 are performed by a transmission gear set. Transmission connection.

[0046] The transmission gear set includes a reversing bevel gear 37 that cooperates with the driving bevel gear 36, a transmission shaft 38 provided on the rotating shaft of the reversing bevel gear 37, and a transmission gear 39 located on both sides of the transmission shaft 38, the transmission gear 39 and The synchronization gears 35 mesh with each other.

[0047] The wire feed wheel 33 is driven to rotate by a motor 46.

[0048] When the two wire feeding wheels 33 face the rollers, the U-shaped wire tie 5 is extruded to the front side from between the wire feeding wheels 33.

[0049] The front ends of the guide rails 31 are close to each other, and the front side of the wire end gathering seat 41 is provided with a funnel-shaped gathering concave surface 411, and the rotating ring 42 is located at the bottom of the gathering concave surface 411.

[0050] The guide rail 31 and the concavity surface 411 are arranged to guide the two free ends of the U-shaped tie wire 5 so that it can be gathered and passed through the rotating ring 42.

[0051] The front end of the telescopic compression head 43 is provided with a tapered surface that fits with the inner ring of the rotating ring 42 in a position limit, and the tapered surface is provided with anti-skid patterns 431.

[0052] The wire storage mechanism 2 includes a wire storage box 21 for accommodating the U-shaped wire tie 5, a pressing assembly 22 that presses the U-shaped wire tie 5 down, and a wire pusher that presses the U-shaped wire tie 5 into the wire outlet mechanism 3. Component

[0053] The push wire assembly includes a trigger rod 23 hinged on the body 1 in the middle and a horizontal push block 24 hinged on the upper end of the trigger rod 23; the horizontal push block 24 is slidably arranged on the horizontal guide rod 26.

[0054] The horizontal push block 24 is provided with a push hook 25, the middle of the tail end of the U-shaped tie wire 5 is provided with a "︹"-shaped portion 51 perpendicular to the plane where the U-shaped tie wire 5 is located, and the push hook 25 is hooked by "︹" The shaped part 51 pushes the U-shaped wire tie 5 out of the wire storage box 21;

[0055] In addition, when the U-shaped tie wire 5 is horizontally stacked in the wire storage box 21, the "︹"-shaped portion 51 is arranged so that a gap is formed between the tail ends of the U-shaped tie wire 5, which can avoid one operation and push out more than two U-shaped tie wire 5.

[0056] The operation process of the present invention is as follows:

[0057] 1. Press the switch, the motor 46 reverses, pull the trigger lever 23 to push the U-shaped wire tie 5 between the two wire feed wheels 33; at this time, the limit rod 481 on the linear motion block 48 is at the rear circular line In the groove 472, the rotating ring 42 on the thread head gathering seat 41 is in an open state, and the threading mechanism 3 bends the U-shaped wire tie 5 and guides it through the inner ring of the rotating ring 42.

[0058] 2. The motor 46 rotates forward, the limit rod 481 on the linear motion block 48 moves to the front circular slot 472, the telescopic compression head 43 is inserted into the rotating ring 42, and the two free ends of the U-shaped wire tie 5 are clamped and fixed in the rotating Between the inner ring of the ring 42 and the telescopic compression head 43, the rotating ring 42 is driven to rotate to complete the rotation and tightening operation.

[0059] 3. The motor 46 reverses and loosens the binding end.

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Description & Claims & Application Information

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the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine

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Classification and recommendation of technical efficacy words

Improve binding efficiency
High degree of automation

Automatic rebar binding machine

AI-Extracted Technical Summary

Problems solved by technology

Abstract

Image

Examples

Example Embodiment

PUM

Description & Claims & Application Information

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