CN208004644U - Positioning device and its quadrangle frame bending machine - Google Patents

Abstract

The utility model provides a kind of positioning device for quadrangle frame bending machine, positioning device is set up on the engine base of quadrangle frame bending machine, positioning device includes middle part positioning component and two sets of end positioning components, middle part positioning component is fixed in the middle part of engine base, for waiting for that the middle part of bending part positions, two sets of end positioning components are slidedly arranged on the both ends of engine base respectively, for waiting for that the both ends of bending part position；Middle part positioning component includes middle part locating rack, middle part Locating driver part, locating piece under locating piece and middle part on middle part, middle part locating rack is set up in the middle part on engine base, middle part Locating driver part is installed on the locating rack of middle part, locating piece is fixed in the lift side of middle part Locating driver part bottom on middle part, locating piece is installed on the locating rack of middle part under middle part offers corresponding at least one middle part locating slot up and down on locating piece under locating piece on the underface of locating piece on middle part, middle part and middle part.The positioning device can neatly be directed to the different parts positioning for waiting for bending part, and position firm.

Description

Positioning device and its quadrangle frame bending machine

Technical field

The utility model is related to metal tube bending machine tool, more particularly to a kind of positioning device for quadrangle frame bending machine and its Quadrangle frame bending machine.

Background technology

In the metal tubes supporter production process such as clothes hanger and shoe rack, need that metal tube is first bent into metal frame, then will Metal frame is assembled into metal tube supporter with metal tube.Currently, existing bending equipment is by the way that multiple apparatus for bending point are arranged It is other that bending is carried out to each bending part, before carrying out bending to metal tube, metal tube need to be positioned, existing positioning device It is fixed setting, the different parts that cannot be neatly directed to metal tube position, and position built on the sand.

Utility model content

In view of the above, the purpose of this utility model is to provide a kind of positioning device for quadrangle frame bending machine, this is fixed Position device can neatly be directed to the different parts positioning for waiting for bending part, and position firm.

The utility model is related to technical solution：

A kind of positioning device for quadrangle frame bending machine, positioning device is set up on the engine base of quadrangle frame bending machine, described fixed Position device includes middle part positioning component and two sets of end positioning components, and middle part positioning component is fixed in the middle part of engine base, is rolled over for waiting The middle part of comer pieces positions, and two sets of end positioning components are slidedly arranged on the both ends of engine base respectively, for waiting for that the both ends of bending part position；In Portion's positioning component includes middle part locating rack, middle part Locating driver part, locating piece, middle part locating rack under locating piece and middle part on middle part It is set up in the middle part on engine base, middle part Locating driver part is installed on the locating rack of middle part, and it is fixed to be fixed in middle part for locating piece on middle part The lift side of position actuator bottom, locating piece is installed on the underface for being located at locating piece on middle part on the locating rack of middle part under middle part, Offer corresponding at least one middle part locating slot up and down on middle part under locating piece and middle part on locating piece；It is positioned per one end Component includes fixed column, end Locating driver part, locating piece, fixed column and fixation under locating piece, fixed seat and end on end Seat is accordingly set up on engine base up and down respectively, and end Locating driver part is installed in fixed column, and locating piece is fixed on end The lift side of end Locating driver part bottom, under end locating piece be installed on be located in fixed seat locating piece on end just under Side, locating piece offers corresponding at least one end locating slot up and down, the end of lower section under locating piece and end on end Locating slot and the middle part locating slot of lower section are located in same horizontal line, and it is fixed will to wait for that bending part is mutually clampingly positioned at middle part up and down In position slot and end locating slot.

Further, the middle part positioning component further includes sliding panel and top adjustment structure, the sliding of sliding panel liftable Ground is installed on middle part locating rack front side wall, and locating piece is accordingly installed under locating piece and middle part on middle part Locating driver part, middle part In in the front side plate face of sliding panel, the top of middle part locating rack is stretched to front side protrusion, and top adjustment structure is equipped on protrusion, Upper and lower position for adjusting sliding panel.

Further, the top adjustment structure further includes adjusting screw rod and adjusting nut, and screw hole is offered on protrusion, is adjusted Section screw rod bottom end passes through this screw hole and is connect with sliding panel, and adjusting nut is bolted on adjusting screw rod, and the bottom end of adjusting nut Face is held in positioned at protrusion top surface.

Further, the end positioning component further includes sliding block and bottom adjustment structure, and sliding block liftable is slidably pacified Front side wall loaded on fixed seat, locating piece is fixed on sliding block under end, and bottom adjustment structure is installed on fixed seat bottom.

Further, the positioning device further includes positioning plate, and positioning plate is installed on any static housing, and positioning plate is answered Static housing pre-determined distance is stretched out in side, under the horizontal position and middle part of positioning plate under locating piece and end locating piece horizontal position It is corresponding.

Further, the positioning device further includes dislocation guide frame, and dislocation guide frame includes bottom plate, separates guiding Block and two merging guide pads, bottom plate side stretch on the front side wall of engine base, separate guide pad and convexedly stretch on bottom plate positioned at engine base length One end on direction, separate guide pad has prominent tip close to one end of bottom edge；Two merging guide pads relatively convexedly stretch in The other end being located on bottom plate on engine base length direction, two merge guiding block gap pre-determined distance, and two, which merge guide pads, distinguishes phases Be symmetrically distributed in separating guide pad both sides, two merge guide pads is equipped with introducing port close to one end of bottom edge, introducing port by Outside tapers into inwardly.

A kind of quadrangle frame bending machine, including engine base, the quadrangle frame bending machine are provided with above-mentioned positioning device, positioning device frame On engine base.

The beneficial effects of the utility model：

The middle part positioning component of the utility model positioning device mutually clampingly positions at the middle part for waiting for bending part up and down, due to Both ends positioning component opposite can reciprocatingly slide so that both ends positioning component is slidably to waiting for the default of bending part both ends Bending position is positioned about so that is positioned in bending process more firm.

Description of the drawings

Fig. 1 waits for that bending part is bent into the flow chart of receptacle for the utility model quadrangle frame bending machine；

Fig. 2 is the three-dimensional structure diagram of the utility model quadrangle frame bending machine；

Fig. 3 is the enlarged drawing of C portion in Fig. 2；

Fig. 4 is that schematic diagram cuts open in the local office of the utility model quadrangle frame bending machine；

Fig. 5 is the enlarged drawing of the parts D in Fig. 2；

Fig. 6 is the bent base stereogram of the utility model quadrangle frame bending machine；

Fig. 7 is the bent base side view of the utility model quadrangle frame bending machine；

Fig. 8 is the stereogram that the utility model quadrangle frame bending machine is in bending state.

Specific implementation mode

With reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by.It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to Limit scope of protection of the utility model.

It please refers to Fig.1 and Fig. 2, the utility model provides a kind of quadrangle frame bending machine, for metal tube A to be bent into metal frame The step of B, bending is：First bending will be relatively symmetrically carried out at the both ends of metal tube A, it then will be symmetrical in the middle part of metal tube A Ground carries out bending, and metal tube A is so bent into metal frame B.The quadrangle frame bending machine includes engine base 1, two apparatus for bending 2, positioning Device 3 and device for discharging 4；

Two apparatus for bending 2 opposite can be slidingly arranged at the both ends on engine base 1, for that will wait for bending part (in the present embodiment Wait for that bending part is metal tube A) relatively symmetrically carry out 90 degree of bendings twice and form receptacle (receptacle in the present embodiment is i.e. For metal frame B).Two apparatus for bending 2 respectively slide to wait for that the default bending position at bending part both ends carries out 90 degree of foldings for the first time Curved, then two apparatus for bending 2 respectively slide to wait for that the default bending position in the middle part of bending part carries out second of 90 degree of bending.

Positioning device 3 is set up on engine base 1 between two apparatus for bending 2, for that will wait for that bending part is positioned at two bendings Default bending position on device 2；

Device for discharging 4 is installed on engine base 1 close to the bottom of positioning device 3, for sending out the good receptacle of bending.

The utility model quadrangle frame bending machine in use, will wait for that bending part is placed in positioning device 3, distinguish by two apparatus for bending 2 It slides into from the both ends for waiting for bending part and stops from the middle part of engine base 1 to the both ends of engine base 1, two apparatus for bending 2 will wait for bending respectively 90 degree of bendings are relatively symmetrically carried out at the both ends of part, then two apparatus for bending 2 slide into the middle part for waiting for bending part relatively, will wait rolling over The middle part of comer pieces relatively symmetrically carries out 90 degree of bendings, just will so wait for that bending part has been bent into receptacle.Device for discharging 4 is placed on Receptacle in positioning device 3 is sent out, and then completes entire production process.The quadrangle frame bending machine need to only be arranged two can be relatively past The apparatus for bending 2 slided again, which can be realized, will wait for that bending part has been bent into receptacle, so that the structure letter of quadrangle frame bending machine Single, by the way that device for discharging 4 is arranged so that easy to operate, production efficiency further increases.

Further, Fig. 2 please be join, quadrangle frame bending machine further includes two sliding equipments 5, and each apparatus for bending 2 passes through each cunning Motivation structure 5 is slidably disposed on engine base 1, and each sliding equipment 5 includes two sliding rails 6, leading screw 7 and leading screw actuator 8, and two slide Rail 6 is set in parallel on engine base 1, extends to medium position from one end of engine base 1, apparatus for bending 2 is slidingly arranged at two cunnings On rail 6, one end and 2 bottom of apparatus for bending of leading screw 7 are rotatably connected, and the other end is connect with leading screw actuator 8, leading screw actuator 8 are fixedly installed in one end on engine base 1.Using the kind of drive of two sliding rails 6 and leading screw 7 so that sliding friction loss is small, transmission Efficient, running precision is high.

Fig. 2 and Fig. 3 is please referred to, apparatus for bending 2 includes static housing 9, shaft 10, bent base 11, shaft actuator 12, the bottom of rotation shaft driving mechanism (not shown) and swing mechanism 13, static housing 9 is slidedly arranged on two sliding rails 6, leading screw 7 it is defeated Outlet is connect with the bottom of static housing 9, and suitable/de-rotation of leading screw 7 drives static housing 9 to slidably reciprocate along two sliding rails 6, shaft 10 one end is rotatablely arranged in static housing 9, and the other end is stretched out from the front side wall of static housing 9, the stretching of shaft 10 End is connected with bent base 11, and bent base 11 is coordinating swing mechanism 1 that will wait for that the bending part of bending part carries out swing bending. Shaft actuator 12 is set up in the upper of static housing 9, and rotation shaft driving mechanism is set to the inside of static housing 9, shaft actuator 12 are connect by rotation shaft driving mechanism with shaft 10, to drive shaft 10 to rotate.Preferably, the shaft driving in the present embodiment Part 12 is set up in the outside for being located at two apparatus for bending 2 on 9 side wall of static housing, when to avoid two apparatus for bending 2 to middle slip It interferes, and convenient for the installation of other associated components.In addition it is also possible to which shaft actuator 12 is set up in static housing 9 On top or the side wall opposite with side wall where 10 external part of shaft.Swing mechanism 13 is connect with shaft 10, passes through oscillating machine Structure 13, which compresses to be located on bent base 11, waits for bending part, and 90 degree of 10 rotary oscillation around the shaft, to wait for bending part bending.

Fig. 6 and Fig. 7 is please referred to, bent base 11 is a column, and column includes orthogonal two flat sides wall surface 14, be connected to the hollows 15 of the corner of two flat side wall surfaces 14, be connected to two flat side wall surfaces 14 and with 15 phase of hollows To arc surface 16 and both ends wall surface 17.It is located on column at arc surface 16 and is recessed with lower bending slot 18, lower bending slot 18 It is arranged around arc surface 1, to the accommodating bending part for waiting for bending part.The number of lower bending slot 18 is at least one, in the present embodiment Lower bending slot 18 number be two, so as to simultaneously to two wait for bending part carry out bending.Mounting hole 19 is offered on column, Mounting hole 19 runs through both ends wall surface 17, and one end of shaft 10 is fixed in mounting hole 19, bent base 11 is fixed in shaft 10 On.In use, when a flat side wall surface 14 of two opposite bent bases 11 is in horizontality, each bent base 11 Arc surface 16 is located at the outside of two bent bases 11, and is located in 14 top of flat side wall surface of horizontality, will wait for bending Part is placed in lower bending slot 18, and after bending, shaft 10 drives bent base 11 to rotate predetermined angle, will wait for the folding of bending part Turn of bilge ejection out of lower bending slot 18, ejection waits for that the bending part of bending part is carried on a flat side wall surface 14, to fix Babinet 9 drives shaft 10 and bent base 11 to slide into next bending station and carries out flexing movement.

Referring to Fig. 2, being located at two apparatus for bending, 2 glide direction when shaft actuator 12 is set up on 9 side wall of static housing Outside, or when positioned at the top of static housing 9, rotation shaft driving mechanism uses driven gear and active rack, shaft driving For part 12 using the driving cylinder with piston rod, driven gear is fixed in one end of the inside positioned at static housing 9 in shaft 10, main Carry-over bar is engaged with driven gear, and one end of active rack and the piston rod of driving cylinder connect, and the other end is telescopically arranged in The side wall of static housing 9.Driving cylinder drive active rack move back and forth, to drive shaft 10 it is suitable/de-rotation predetermined angle.

When shaft actuator 12 is set up on the opposite side wall of 10 external part of shaft place side wall.Rotation shaft driving mechanism is adopted With driving wheel, driving wheel is fixed in the one end being located in shaft 10 inside static housing 9, and shaft actuator 12 is using with actively The driving wheel of the servo motor of wheel, servo motor is mutually nibbled by being driven band connection or driving wheel with driving wheel with driving wheel Close, servo motor by driving wheel drive shaft 10 it is suitable/de-rotation predetermined angle.

Referring to Fig. 8, swing mechanism 13 includes swing arm 20, toothed disc (not shown) and wobble drive part 22, swing arm 20 has There are cylindrical portion 23 and a side to stretch in the arm body portion 24 of the periphery wall of 23 one end of cylindrical portion, it is opposite with arm body portion 24 in cylindrical portion 23 One end be connected with toothed disc (not shown), cylindrical portion 23 be rotationally sheathed in shaft 10 be located at bent base 11 with it is fixed Between babinet 9, one end with arm body portion 24 is located at outside static housing 9 in cylindrical portion 23, and toothed disc is connected in cylindrical portion 23 One end pass through and 9 side wall of static housing and stretch in static housing 9, wobble drive part 22 is set up in 9 top of static housing, pendulum The telescopic end of dynamic actuator 22 is connected with the lifter rack engaged with toothed disc, so that wobble drive part 22 passes through lifter rack band Movable pendulum arm 20 rotates predetermined angle.Rotational angle in the present embodiment is 90 degree, will wait for that bending part carries out 90 degree of fillet folding It is curved.

Please refer to Fig. 2 and Fig. 3, swing mechanism 13 further include squeeze actuator 25, quick clamping structure 26, link block 27 and Bending Mould 28, one end far from cylindrical portion 23 in the arm body portion 24 of swing arm 20, which is equipped with, squeezes actuator 25, squeezes actuator 25 telescopic end is connect with the upper end of quick clamping structure 26, and link block 27 is connect with the lower end of quick clamping structure 26, Bending Mould 28 are slidedly arranged on 27 lower section of link block, and upper bending slot 29 corresponding with lower bending slot 18, upper bending slot are offered on Bending Mould 28 29 number is consistent with the number of lower bending slot 18.Its action process is to squeeze actuator 25 to drive by quick clamping structure 26 Bending Mould 28 is squeezed to bent base 11, quick clamping structure 26 can ensure that Bending Mould 28 and bent base 11 mutually compress and It will not loosen, Bending Mould 28 clamps ground clamping with 11 phase of bent base and waits for bending part, and under 20 rotary action of swing arm, will wait for Bending part bending, in this rotation process, Bending Mould 28 due under the rotationally-varying effect in the position of stress point along link block 27 Corresponding sliding waits for that bending part is not scratched with protection, and can avoid waiting for that bending part deforms.

Fig. 3 and Fig. 4 is please referred to, quick clamping structure 26 includes hinged seat 30, two articulated slabs 31, three articulated shafts 32 and two connecting rods 33, hinged seat 30 is installed at the telescopic end for being located in the arm body portion 24 of swing arm 20 and squeezing actuator 25, and each articulated slab 31 is equal At triangle, opened up there are three hinge hole in triangular shape on each articulated slab 31, two articulated slabs 31 are cut with scissors by an articulated shaft 32 It is connected on hinged seat 30, an articulated shaft 32 is arranged in the corresponding hinge hole in 30 outside of hinged seat, an also articulated shaft 32 difference One end of two connecting rods 33 is articulated with to the lower section for being located at hinged seat 30 on two articulated slabs 31, the other end of two connecting rods 33 has pin Axis, two connecting rods 33 are articulated with the both sides on link block 27 by axis pin, squeeze the telescopic end of actuator 25 and are located at hinged seat 30 The articulated shaft 32 in outside connects, to drive two articulated slabs 31 to be rotated upward or downward around hinged seat 30, when set on hinged seat 30 On articulated shaft 32, the articulated shaft 32 of the lower section of hinged seat 30 and the axis pin of two connecting rods 33 when be on same straight line, quick folder Structure 26 is in dead-centre position, that is, is in the state compressed downwards, no matter great counter-force can not also make its release, and here it is machines Dead point fastening in tool mechanics.

Fig. 2 and Fig. 5 is please referred to, positioning device 3 includes middle part positioning component 34 and two sets of end positioning components 35, and middle part is fixed Hyte part 34 includes locating piece 39 under locating piece 38 on middle part locating rack 36, middle part Locating driver part 37, middle part and middle part, middle part Locating rack 36 is set up in the middle part on engine base 1, and middle part Locating driver part 37 is installed on middle part 36 front side wall of locating rack, determines on middle part Position block 38 is fixed in the lift side of 37 bottom of middle part Locating driver part, and it is upper to be installed on middle part locating rack 36 for locating piece 39 under middle part Offered on locating piece 39 under locating piece 38 and middle part in the underface of locating piece on middle part 38, on middle part up and down it is corresponding extremely Few middle part locating slot 40；Fig. 2 and Fig. 3 is please referred to, includes fixed column 41, end Locating driver per one end positioning component 35 Locating piece 45 under locating piece 43, fixed seat 44 and end on part 42, end, fixed column 41 and fixed seat 44 are distinguished up and down accordingly It is installed on the front side wall of static housing 9, end Locating driver part 42 is installed on the front side wall of fixed column 41, locating piece on end 43 are fixed in the lift side of 42 bottom of end Locating driver part, and locating piece 45 is installed on the front side wall of fixed seat 44 and is located under end The underface of locating piece 43 on end, locating piece 45 offers up and down corresponding at least one under locating piece 43 and end on end A end locating slot 46, the end locating slot 46 of top are located at the middle part locating slot 40 of top in same horizontal line, lower section End locating slot 46 and the middle part locating slot 40 of lower section are located in same horizontal line, will wait for that bending part mutually clampingly positions up and down In in middle part locating slot 40 and end locating slot 46.

More specifically, middle part positioning component 34 mutually clampingly positions at the middle part for waiting for bending part up and down, due to two fixed cases Body 9 opposite can reciprocatingly slide so that be individually fixed in the end positioning components 35 of two static housings 9 slidably to waiting for bending The default bending position at part both ends is positioned about so that is positioned in bending process more firm.

Further, referring to Fig. 5, middle part positioning component 34 further includes sliding panel 47 and top adjustment structure 48, sliding 47 liftable of plate is slidably mounted to middle part 36 front side wall of locating rack, on middle part Locating driver part 37, middle part locating piece 38 and in Subordinate's locating piece 39 is accordingly installed in the front side plate face of sliding panel 47, and the top of middle part locating rack 36 is stretched to front side protrusion 49, top adjustment structure 48, the upper and lower position for adjusting sliding panel 47 so that middle part positioning component 34 are installed on protrusion 49 It is located in same horizontal line with the position location of end positioning component 35.

Top adjustment structure 48 includes adjusting screw rod 50 and adjusting nut 51, and screw hole, adjusting screw rod are offered on protrusion 49 50 bottom ends pass through this screw hole and are connect with sliding panel 47, and adjusting nut 51 is bolted on adjusting screw rod 50, and adjusting nut 51 Bottom face is held in positioned at 49 top surface of protrusion, by rotating adjusting screw rod 50, can be adjusted the upper and lower position of sliding panel 47, be adjusted Rotating adjusting nut 51 is completely fixed again after to suitable position.

Fig. 2 and Fig. 3 is please referred to, end positioning component 35 further includes sliding block 52 and bottom adjustment structure 53, and sliding block 52 can rise Drop is slidably mounted to the front side wall of fixed seat 44, and locating piece 45 is fixed on sliding block 52 under end, and bottom adjustment structure 53 is pacified Loaded on 44 bottom of fixed seat, it to be used for the upper and lower position of adjusting slider 52, the knot of bottom adjustment structure 53 and top adjustment structure 48 Structure is identical.

Positioning device 3 further includes positioning plate (not shown), and positioning plate is installed on any static housing 9, in order to avoid pendulum Arm 20 interferes in swing process with positioning plate, and positioning plate answers side to stretch out 9 pre-determined distance of static housing.The level of positioning plate Position is corresponding with the horizontal position of locating piece 45 under locating piece under middle part 39 and end, waits for that one end of bending part is supported for several It is held on positioning plate so that several to wait for that bending part is placed in alignment in middle part locating slot 40 and the end locating slot 46 at both ends Predeterminated position.

Referring to Fig. 2, positioning device 3 further includes dislocation guide frame 54, guide frame 54 is installed on to be located on engine base 1 The underface predeterminated position of subordinate's locating piece 39, for waiting for bending part during being bent into receptacle for the second time, receptacle The both ends of the surface that bottom is connected to each other mutually squeeze and receptacle are caused to deform.

The guide frame 54 that misplaces includes bottom plate 55, separates the merging guide pad 57 of guide pad 56 and two, and 55 side of bottom plate stretches in machine On the front side wall of seat 1, separates guide pad 56 and convexedly stretch on bottom plate 55 one end being located on 1 length direction of engine base, separate guide pad 56 have prominent tip close to the one end at 55 edge of bottom plate, to separate the bottom of two receptacle one end；Two merge guide pad 57 Relatively convexedly stretch on bottom plate 55 be located at 1 length direction of engine base on the other end, two merge guide pads 57 be spaced pre-determined distances, two Merge guide pad 57 and be relatively symmetrically distributed in 56 front side of separation guide pad and rear side respectively, two merge guide pads 57 close to bottom plate 55 The one end at edge is equipped with introducing port, and introducing port is tapered into inwardly by outside, to import the bottom of the two receptacle other ends And it is held between two merging guide pads 57.

Fig. 2 and Fig. 5 is please referred to, device for discharging 4 includes connecting plate 58, two discharging guide rods 59, jacking seat 60 and discharging driving Part 61, connecting plate 58 are installed on the front side wall of locating piece 39 under middle part, and two discharging guide rods 59, which dip down, is tiltedly installed on connecting plate The both ends at 58 tops, jacking seat 60 are liftably installed on the lower section of locating piece 39 under middle part, and 61 ontology of discharging actuator can rise Drop ground is installed on jacking seat 60 bottom, the piston rod of discharging actuator 61 pass through jack 60 bottom of seat and with locating piece 39 under middle part It is affixed.Since the piston rod of discharging actuator 61 is to be fixed in sliding panel 47 by locating piece under middle part 39, in discharging actuator Under 61 driving effects, 61 ontology of discharging actuator jacks upwards together with jacking seat 60, is placed on the frame on locating piece 39 under middle part Body part jacks out, and the receptacle jacked out slides to completing discharging on two discharging guide rods 59.Automatic discharging is just so realized, Improve production efficiency.

Further, jacking seat 60 includes two opposite push plates 62 and the raising plate with two push plates, 62 bottom integrally connected 63, two push plates 62 are liftably installed on the both sides of locating piece 39 under middle part, and the piston rod of discharging actuator 61 passes through raising plate 63 and affixed with locating piece under middle part 39,61 ontology of discharging actuator and raising plate 63 are affixed.It is unloaded using fixation in the present embodiment The mode of the piston rod of actuator 61 is expected to drive discharging, is easy for that device for discharging 4 is installed in narrow space.Discharging drives Two jacking upwards of push plate 62 of the driving of part 61, the receptacle that two push plates 62 are placed under middle part on locating piece 39 jack out.

Further, two push plates 62 have to the inclined inclined-plane 64 in two discharging guide rods, 59 side, for the framework jacked out Part slides to two discharging guide rods 59.

Further, one end that two discharging guide rods 59 tilt down has the hook portion 65 of upward bending, for hanging framework Part.

The action process of the utility model quadrangle frame bending machine is as follows：

The first step will wait for that bending part is placed under the lower locating piece 39 in middle part and two ends on locating piece 45；

Second step, locating piece 38 is downwardly against waiting for that bending part positions on middle part；

Third walks, and two apparatus for bending 2 slide into the bending position waited near bending part both ends, two bent bases 11 outward Rotation is to the position of lower bending slot 18 upward thereon, and locating piece 43 pushes down the both ends for waiting for bending part separately down on two ends Positioning；

4th step, two Bending Moulds 28 are pressed to respectively on respective bent base 11, and two Bending Moulds 28 rotate respectively 90 degree will wait for that bending part both ends nearby carry out straight fillet bending for the first time, and after bending, locating piece 43 rises on two ends, two foldings Bending mould 28 is back to original position；

5th step, two bent bases 11 are rotated by 90 °, and will wait for that bending part exits lower bending slot 18, two apparatus for bending 2 are inwardly Slideslip carries out second of straight fillet bending, the action of second of straight fillet bending to the bending position waited in the middle part of bending part Journey is identical as the straight action process of fillet bending for the first time；

6th step, after second straight fillet bending, locating piece 43 climbs away on locating piece 38 and two ends on middle part Positioning states, jacking seat 60 jack out the good receptacle of bending, complete entire bending process.

To sum up, the utility model quadrangle frame bending machine is by being arranged two apparatus for bending 2, positioning device 3 and device for discharging 4, So that the quadrangle frame bending machine is simple in structure, easy to operate, production efficiency is high.

The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases The technical field of pass, is equally included in the patent within the scope of the utility model.

Claims (7)

1. a kind of positioning device (3) for quadrangle frame bending machine, positioning device (3) is set up on the engine base (1) of quadrangle frame bending machine, It is characterized in that, the positioning device (3) includes middle part positioning component (34) and two sets of end positioning components (35), middle part positioning Component (34) is fixed in the middle part of engine base (1), and for waiting for that the middle part of bending part positions, cunning is set two sets of end positioning components (35) respectively Both ends in engine base (1), for waiting for that the both ends of bending part position；Middle part positioning component (34) include middle part locating rack (36), in Locating piece (39), middle part locating rack (36) are set up in engine base under locating piece (38) and middle part on portion's Locating driver part (37), middle part (1) middle part on, middle part Locating driver part (37) is installed on middle part locating rack (36), during locating piece (38) is fixed on middle part The lift side of portion Locating driver part (37) bottom, locating piece (39) is installed on middle part locating rack (36) and is located on middle part under middle part The underface of locating piece (38), offered on locating piece (39) under locating piece (38) and middle part on middle part up and down it is corresponding at least One middle part locating slot (40)；Include fixed column (41), end Locating driver part (42), end per one end positioning component (35) Locating piece (45) under upper locating piece (43), fixed seat (44) and end, fixed column (41) and fixed seat (44) are corresponding up and down respectively Ground is set up on engine base (1), and end Locating driver part (42) is installed in fixed column (41), and locating piece (43) is fixed on end The lift side of end Locating driver part (42) bottom, under end locating piece (45) be installed in fixed seat (44) be located at it is fixed on end The underface of position block (43), on end under locating piece (43) and end locating piece (45) offer it is corresponding at least one up and down End locating slot (46), the end locating slot (46) of lower section are located at the middle part locating slot (40) of lower section in same horizontal line, with It will wait for that bending part is mutually clampingly positioned in middle part locating slot (40) and end locating slot (46) up and down.

2. the positioning device (3) according to claim 1 for quadrangle frame bending machine, which is characterized in that the middle part positioning Component (34) further includes sliding panel (47) and top adjustment structure (48), and it is fixed that sliding panel (47) liftable is slidably mounted to middle part Position frame (36) front side wall, locating piece (39) is accordingly pacified under locating piece (38) and middle part on middle part Locating driver part (37), middle part In front side plate face loaded on sliding panel (47), the top of middle part locating rack (36) is stretched to front side protrusion (49), on protrusion (49) Top adjustment structure (48), the upper and lower position for adjusting sliding panel (47) are installed.

3. the positioning device (3) according to claim 2 for quadrangle frame bending machine, which is characterized in that the top is adjusted Structure (48) further includes adjusting screw rod (50) and adjusting nut (51), and screw hole, adjusting screw rod (50) bottom are offered on protrusion (49) End is connect across this screw hole and with sliding panel (47), and adjusting nut (51) is bolted on adjusting screw rod (50), and adjusting nut (51) bottom face is held in positioned at protrusion (49) top surface.

4. the positioning device (3) according to claim 1 for quadrangle frame bending machine, which is characterized in that the end positioning Component (35) further includes sliding block (52) and bottom adjustment structure (53), and sliding block (52) liftable is slidably mounted to fixed seat (44) Front side wall, locating piece (45) is fixed on sliding block (52) under end, and bottom adjustment structure (53) is installed on fixed seat (44) bottom Portion.

5. the positioning device (3) according to claim 1 for quadrangle frame bending machine, which is characterized in that the positioning device (3) further include positioning plate, positioning plate is installed on any static housing (9), positioning plate answer side stretch out static housing (9) it is default away from From the horizontal position of positioning plate is corresponding with the horizontal position of locating piece (45) under locating piece under middle part (39) and end.

6. the positioning device (3) according to claim 1 for quadrangle frame bending machine, which is characterized in that the positioning device (3) further include dislocation guide frame (54), dislocation guide frame (54) includes bottom plate (55), separation guide pad (56) and two merging Guide pad (57), bottom plate (55) side stretch on the front side wall of engine base (1), and separation guide pad (56), which convexedly stretches on bottom plate (55), to be located at One end on engine base (1) length direction, separate guide pad (56) has prominent tip close to the one end at bottom plate (55) edge；Two merge Guide pad (57) relatively convexedly stretches on bottom plate (55) other end being located on engine base (1) length direction, and two merge guide pad (57) it is spaced pre-determined distance, two merging guide pads (57) are relatively symmetrically distributed in respectively separates guide pad (56) both sides, and two merge Guide pad (57) is equipped with introducing port close to the one end at bottom plate (55) edge, and introducing port is tapered into inwardly by outside.

7. a kind of quadrangle frame bending machine, including engine base (1), which is characterized in that quadrangle frame bending machine setting just like claim 1 to 6 any one of them positioning devices (3), positioning device (3) are set up on engine base (1).