CN202105943U

CN202105943U - Steel bar bender

Info

Publication number: CN202105943U
Application number: CN2011202140215U
Authority: CN
Inventors: 王变春; 安满海
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-06-23
Filing date: 2011-06-23
Publication date: 2012-01-11
Anticipated expiration: 2021-06-23

Abstract

The utility model particularly relates to a steel bar bender, and solves the problems of the conventional steel bar bender that production efficiency is low, labor intensity of workers is high, the operation is complicated and the precision is low. The steel bar bender comprises a slide track provided with staff and fixed between an electrical appliance box and a spare parts case and a plurality of supporting platforms, wherein a fixed hook box and a moving hook box are respectively arranged on the slide track; a rotating shaft penetrating the front and the rear side surfaces is arranged on each hook box; a working disk is sleeved on the rotating shaft on the outer side of the front side surface of each hook box; a contact piece is arranged on the rotating shaft; a contact corresponding to the contact piece is arranged inside each hook box; a motor is connected with a control circuit used for controlling the positive and negative rotation and stop of the motor; and the control circuit is connected with a foot switch on the electric appliance box. The steel bar bender has the advantages of simple and effective structure, simplicity in operation, good safety, standard bending angle and fast speed.

Description

Angle-bender

Technical field

The utility model relates to the reinforcing bar process equipment, is specially a kind of angle-bender.

Background technology

Reinforcing bar need be bent into certain angle at two ends respectively when using; The operating mechanism of existing bar bending comprises the work disk, and the work disk is equipped with central pin shaft and press-bending bearing pin, is stuck in one section of reinforcing bar between central pin shaft and the press-bending bearing pin; Utilize the work disk to rotate, realize moment reinforcement.Shortcoming is, each bending can only bend an end of reinforcing bar, could bend the other end after needing manual work to reinstall, and production efficiency is low, and labour intensity is big; The substep moment reinforcement is difficult to guarantee precision; If need the reinforcing bar of crooked different angles and different thicknesses, need the position of manual setting press-bending bearing pin and the distance between central pin shaft and the press-bending bearing pin, efficient is low, complicated operation.

Summary of the invention

The utility model is for the angle that realizes one-shot forming, bar bending and any adjustment of size, solves that existing bar bending production efficiency of equipment is low, labor strength big, complicated operation, problem that precision is lower, and a kind of angle-bender is provided.

The utility model is to adopt following technical scheme to realize: angle-bender; Comprise electric appliance box and spare part case; Be fixed with the slide rail and the some support platforms that have scale between electric appliance box and the spare part case; Two crotch casees of movable crotch case that slide rail is provided with the fixed hook case that is fixed on the electric appliance box and on slide rail, slides are provided with the rotating shaft that is through on its front and back sides in two crotch casees, the intrinsic work disk of cover in the rotating shaft outside the crotch case leading flank; Horizontal fixed has fixation clip (direction is for inboard between definition fixed hook case and the movable crotch case) on the crotch case leading flank of the interior side-lower of rotating shaft; Be fixed with the movable pressing board on the extended line of the fixation clip outside on the work disk, be provided with the motor that is connected to rotating shaft through reduction box in the crotch case, rotating shaft is provided with contact chip; Be provided with in the crotch case that to become the contact-making switch of the anglec of rotation with contact chip (be to contact with contact-making switch after contact chip rotates the anglec of rotation; The end reinforced angle of bend of described anglec of rotation decision), contact-making switch and motor are connected to the control circuit of control motor positive and inverse and shutdown, and control circuit is connected to the floor push on the electric appliance box.Scale position, electric appliance box and spare part case between the fixed support platform mode, reduction box select for use and the connected mode of rotating and shutdown control circuit is that those skilled in the art expect easily and realize.Scale and movable crotch case have realized that angle-bender is according to reinforcing bar length adjustment size.After adjustment finishes; The reinforcing bar two ends respectively clamping between the rotating shaft of fixed hook case and movable crotch case and fixation clip, movable pressing board; The quantity that reinforcing bar is packed into is decided according to the performance parameter and the steel bar mechanics performance of angle-bender, the many reinforcing bars of can once packing into.In the course of work, trample floor push, control circuit control motor just changes, and the driven by motor rotating shaft is rotated, and the movable pressing board on the rotating shaft drive work disk rotates, and reinforcing bar is stuck between movable pressing board, rotating shaft and the fixation clip, the reinforcing steel bar bear bending.The reinforcing bar bending is to required angle, and the contact chip in the rotating shaft contacts corresponding contact-making switch, and the contact-making switch closure makes the counter-rotating of control circuit control motor, and the original position shutdown is got back in the movable pressing board counter-rotating, takes out reinforcing bar, criticizes the bending of reinforcing bar then once.Contact chip and contact-making switch can be adjusted angle and quantity, the quick one-shot forming of different angles when realizing the bending of different reinforcing bars.

The slide rail below is provided with axle and support platform lower shaft on the support platform that is fixed between electric appliance box and the spare part case; The support platform lower shaft is positioned at below one side of axle on the support platform; Axle is hinged to L shaped connecting rod one end on the support platform, and the L shaped connecting rod other end is fixed with support platform, and the bending place of L shaped connecting rod is hinged to intermediate connecting rod one end; The intermediate connecting rod other end is hinged to down end link one end, and the following end link other end is hinged to the support platform lower shaft.When support platform was in down state, intermediate connecting rod was folding with following end link, and support platform can be edge-on in the slide rail below; Support platform is in when propping state, and intermediate connecting rod is vertically propped L shaped connecting rod with following end link and made the support platform horizontal positioned.The quantity of support platform is according to the size setting of slide rail length and support platform, confirms that according to the position of movable crotch case each support platform props state or down state.This structure plays the effect of spacer bar mid portion, and structure is simpler, more convenient operation.

Control circuit comprises reinforcing bar bending 90 degree control circuit and reinforcing bar double flat control circuits; Electric appliance box is provided with two floor push; Rotating shaft is provided with three contact chips arranged side by side; The original position of first contact chip is provided with the first normally closed contact-making switch; The position that second contact chip turns over an angle of 90 degrees is provided with second contact-making switch of often opening, and the position that the 3rd contact chip turns over 180 degree angles is provided with the 3rd contact-making switch of often opening, and reinforcing bar bending 90 degree control circuits are connected to first contact-making switch and second contact-making switch; Reinforcing bar double flat control circuit is connected to first contact-making switch and the 3rd contact-making switch, and two floor push insert reinforcing bar bending 90 degree control circuit and reinforcing bar double flat control circuits respectively.It is two kinds of machining angles using always that reinforcing bar needs bending process 90 degree and 180 degree.If reinforcing bar needs the bending process an angle of 90 degrees, step on the floor push of bending 90 degree control circuits, (this moment, the normally-closed contact of first contact-making switch broke off) just changeed in the driven by motor rotating shaft; When bending reinforcing bar to 90 was spent, promptly second contact chip contacted second contact-making switch, and second contact-making switch is closed; Bending 90 degree control circuit control driven by motor rotating shaft counter-rotatings, when arriving original position, first contact chip contacts first contact-making switch; The normally-closed contact of first contact-making switch is closed again, and motor is shut down.The course of work is similar during bending process 180 degree angles, only need step on the floor push of double flat control circuit.Other are arbitrarily angled like the need bending process, just only need in the adjustment rotating shaft contact chip can realize with the corner of corresponding contact-making switch.

Movable crotch case bottom is provided with the wheel that on slide rail, slides, and is connected with defeated linear chain between movable crotch case and the electric appliance box.The position adjustment of this structure realization activity crotch case, effectively simple.

Have the hole on fixation clip and the movable pressing board, be fixed with required pad on fixation clip and the movable pressing board.Pad can be adjusted the gap of fixation clip and movable pressing board and rotating shaft, to adapt to the reinforcing bar of different size.

The beneficial effect of the utility model is following: utilize a fixed hook case and a movable crotch case, the processing dimension adjustment when having realized processing different length reinforcing bar; Utilize and contact chip and motor are set in the rotating shaft control circuit is set has outward realized that reinforcing bar bending one-shot forming and bending angle adjust arbitrarily.The utlity model has following advantage: (1) is simple to operate, and security is good, angular standard, and length is same, and speed is fast; (2) processing ease is grasped, and need not training, and security performance is good; (3) the rotating shaft rotating speed of this machine is between 25-30 changes, and each hour can be processed one ton of left and right sides reinforcing bar, and about 4-5 times, bending 10-14mm reinforcement ratio is artificial soon about 8-10 times soon for the manual work of bending 6-8mm reinforcement ratio.

Description of drawings

Fig. 1 is the structural representation of facing of the utility model;

Fig. 2 is the structural representation of A-A section among Fig. 1;

Fig. 3 is the structural representation of B-B section among Fig. 1.

Among the figure: 1-electric appliance box, 2-floor push, 3-slide rail, 4-movable pressing board, 5-fixation clip, the 6-disk of working, 7-fixed hook case; The 8-rotating shaft, the 9-support platform, axle on the 10-support platform, 11-support platform lower shaft, the movable crotch case of 12-, 13-fails linear chain, the 14-locator; The 15-contact chip, 16-reduction box, 17-control circuit, 18-motor, 19-hole, 20-contact; The 21-wheel, 22-intermediate connecting rod, 23-pad, 24-L shape connecting rod, end link under the 25-, 26-spare part case.

The specific embodiment

Angle-bender; Comprise electric appliance box 1 and spare part case 26; Be fixed with slide rail 3 and the some support platforms 9 that has scale between two casings, slide rail 3 is provided with fixed hook case 7 that is fixed on the electric appliance box 1 and 12 two the crotch casees of movable crotch case that on slide rail 3, slide, and is provided with the rotating shaft 8 that is through on its front and back sides in two crotch casees; The intrinsic work disk 6 of cover in the rotating shaft 8 outside the crotch case leading flank; Horizontal fixed has fixation clip 5 on the crotch case leading flank of rotating shaft 8 interior side-lowers, is fixed with the movable pressing board 4 on fixation clip 5 outside extended lines on the work disk 6, is provided with the motor 18 that is connected to rotating shaft 8 through reduction box 16 in the crotch case; Rotating shaft 8 is provided with contact chip 15; Be provided with the contact-making switch 20 with 15 one-tenth anglecs of rotation of contact chip in the crotch case, contact-making switch 20 and motor 18 are connected to the control circuit 17 of control motor positive and inverse and shutdown, and control circuit 17 is connected to the floor push 2 on the electric appliance box 1.

During concrete the manufacturing,

Slide rail 3 belows are provided with axle 10 and support platform lower shaft 11 on the support platform that is fixed between electric appliance box 1 and the spare part case 26; Support platform lower shaft 11 is positioned at below one side of axle 10 on the support platform; Axle 10 is hinged to L shaped connecting rod 24 1 ends on the support platform, and L shaped connecting rod 24 other ends are fixed with support platform 9, and the bending place of L shaped connecting rod 24 is hinged to intermediate connecting rod 22 1 ends; Intermediate connecting rod 22 other ends are hinged to down end link 25 1 ends, and following end link 25 other ends are hinged to support platform lower shaft 11.When support platform 9 was in down state, intermediate connecting rod 22 folded with following end link 25, and support platform 9 can be edge-on in slide rail 3 belows; Support platform 9 is in when propping state, and intermediate connecting rod 22 is vertically propped L shaped connecting rod 24 with following end link 25 and made support platform 9 horizontal positioned.The quantity of support platform 9 is according to the size setting of slide rail 2 length and support platform, confirms that according to the position of movable crotch case 12 each support platform 9 props state or down state.This structure plays the effect of spacer bar mid portion, and structure is simpler, more convenient operation.

Control circuit 17 comprises reinforcing bar bending 90 degree control circuit and reinforcing bar double flat control circuits; Electric appliance box 1 is provided with two floor push 2; Rotating shaft 8 is provided with three contact chips arranged side by side 15; The original position of first contact chip is provided with the first normally closed contact-making switch; The position that second contact chip turns over an angle of 90 degrees is provided with second contact-making switch of often opening, and the position that the 3rd contact chip turns over 180 degree angles is provided with the 3rd contact-making switch of often opening, and reinforcing bar bending 90 degree control circuits are connected to first contact-making switch and second contact-making switch; Reinforcing bar double flat control circuit is connected to first contact-making switch and the 3rd contact-making switch, and two floor push 2 insert reinforcing bar bending 90 degree control circuit and reinforcing bar double flat control circuits respectively.It is two kinds of machining angles using always that reinforcing bar needs bending process 90 degree and 180 degree.If reinforcing bar needs the bending process an angle of 90 degrees, step on the floor push 2 (this moment, the normally-closed contact of first contact-making switch broke off) of bending 90 degree control circuits, driven by motor rotating shaft 8 is just being changeed; When bending reinforcing bar to 90 was spent, promptly second contact chip contacted second contact-making switch, and second contact-making switch is closed; Bending 90 degree control circuit control motors 18 drive rotating shaft 8 counter-rotatings, and when arriving original position, first contact chip contacts first contact-making switch; First contact-making switch is opened, and motor 18 is shut down.The course of work is similar during bending process 180 degree angles, only need step on the floor push 2 of double flat control circuit.Other are arbitrarily angled like the need bending process, just only need in the adjustment rotating shaft contact chip can realize with the anglec of rotation of corresponding contact-making switch.

Movable crotch case 12 bottoms are provided with the wheel 21 that on slide rail 3, slides, and are connected with defeated linear chain 13 between movable crotch case 12 and the electric appliance box 1.The position adjustment of this structure realization activity crotch case, effectively simple.

Have hole 19 on fixation clip 5 and the movable pressing board 4, be fixed with required pad 23 on fixation clip 5 and the movable pressing board 4.Pad can be adjusted the gap of fixation clip and movable pressing board and rotating shaft, to adapt to the reinforcing bar of different size.

Claims

1. angle-bender; Comprise electric appliance box (1) and spare part case (26); It is characterized in that: be fixed with the slide rail (3) and the some support platforms (9) that have scale between electric appliance box (1) and the spare part case (26); Slide rail (3) is provided with fixed hook case (7) that is fixed on the electric appliance box (1) and (12) two the crotch casees of movable crotch case that upward slide at slide rail (3); Be provided with the rotating shaft (8) that is through on its front and back sides in two crotch casees; Cover intrinsic work disk (6) is gone up in the outer rotating shaft (8) of crotch case leading flank; Horizontal fixed has fixation clip (5) on the crotch case leading flank of the interior side-lower of rotating shaft (8), is fixed with the movable pressing board (4) on the extended line of fixation clip (5) outside on the work disk (6), is provided with the motor (18) that is connected to rotating shaft (8) through reduction box (16) in the crotch case; Rotating shaft (8) is provided with contact chip (15); Be provided with the contact-making switch (20) that becomes the anglec of rotation with contact chip (15) in the crotch case, contact-making switch (20) and motor (18) are connected to the control circuit (17) of control motor positive and inverse and shutdown, and control circuit (17) is connected to the floor push (2) on the electric appliance box (1).

2. angle-bender according to claim 1; It is characterized in that: slide rail (3) below is provided with axle (10) and support platform lower shaft (11) on the support platform that is fixed between electric appliance box (1) and the spare part case (26); Support platform lower shaft (11) is positioned at below one side of axle (10) on the support platform; Axle (10) is hinged to L shaped connecting rod (24) one ends on the support platform; L shaped connecting rod (24) other end is fixed with support platform (9); The bending place of L shaped connecting rod (24) is hinged to intermediate connecting rod (22) one ends, and intermediate connecting rod (22) other end is hinged to down end link (25) one ends, and following end link (25) other end is hinged to support platform lower shaft (11).

3. angle-bender according to claim 1 and 2; It is characterized in that: control circuit (17) comprises reinforcing bar bending 90 degree control circuit and reinforcing bar double flat control circuits; Electric appliance box (1) is provided with two floor push (2); Rotating shaft (8) is provided with three contact chips arranged side by side (15); The original position of first contact chip is provided with the first normally closed contact-making switch; The position that second contact chip turns over an angle of 90 degrees is provided with second contact-making switch of often opening, and the position that the 3rd contact chip turns over 180 degree angles is provided with the 3rd contact-making switch of often opening, and reinforcing bar bending 90 degree control circuits are connected to first contact-making switch and second contact-making switch; Reinforcing bar double flat control circuit is connected to first contact-making switch and the 3rd contact-making switch, and two floor push (2) insert reinforcing bar bending 90 degree control circuit and reinforcing bar double flat control circuits respectively.

4. angle-bender according to claim 1 and 2 is characterized in that: movable crotch case (12) bottom is provided with at slide rail (3) goes up the wheel (21) that slides, and is connected with defeated linear chain (13) between movable crotch case (12) and the electric appliance box (1).

5. angle-bender according to claim 1 and 2 is characterized in that: have hole (19) on fixation clip (5) and the movable pressing board (4), be fixed with required pad (23) on fixation clip (5) and the movable pressing board (4).