阅读说明：本技术 一种金属型材自动折弯机 (A kind of mental section automatic bending machine ) 是由 王卫 袁小宝 于 2019-07-18 设计创作，主要内容包括：本发明公开了一种金属型材自动折弯机,包括工作平台,滑轨,滑轨上设有第一滑块和第二滑块,第一滑块上设有公模；第二滑块上设有折弯轴和母模,所述第一滑块与所述第二滑块之间设有第一复位机构；所述第二滑块与所述挡板之间设有第二复位机构；所述母模两侧对称的设有一对型材工装,型材工装上设有若干夹钳；所述工作平台上方远离所述公模的一侧设有若干定位轮,所述定位轮包括前后错开设置的若干第一定位轮和若干第二定位轮；工作平台的末端设有定位挡块,定位挡块与所述母模处于同一水平轴线上；所述定位挡块上设有行程开关；本折弯机结构精巧、操作方便、安全可靠,能够进行精确的折弯成型加工,可以加工封闭形的产品,适用范围广。(The invention discloses a kind of mental section automatic bending machine, including workbench, sliding rail, sliding rail is equipped with the first sliding block and the second sliding block, and the first sliding block is equipped with male model；Second sliding block is equipped with bending axis and master mold, and the first resetting-mechanism is equipped between first sliding block and second sliding block；The second resetting-mechanism is equipped between second sliding block and the baffle；The master mold is monosymmetric to be equipped with a pair of of profile tooling, and barman loads onto equipped with several clamps；Side above the workbench far from the male model is equipped with several locating wheels, and the locating wheel includes several first locating wheels and several second locating wheels that front and back is arranged in a staggered manner；The end of workbench is equipped with position block, and position block and the master mold are on same level axis；The position block is equipped with travel switch；It is this bending machine delicate structure, easy to operate, safe and reliable, it is able to carry out accurate bending and molding processing, the product of enclosed shape can be processed, it is applied widely.)

1. a kind of mental section automatic bending machine, including workbench, which is characterized in that be provided in the middle part of the workbench logical Slot, at least provided with a pair of of sliding rail, the sliding rail both ends pass through baffle respectively and fix and be connected to the work for the through slot lower section The bottom of platform；The first sliding block and several second sliding blocks are successively arranged on the sliding rail, first sliding block is equipped with male model；Institute The second sliding block is stated equipped with horizontal mounting plate, the horizontal mounting plate middle part is equipped with bending axis, separate institute above the bending axis The side for stating male model is equipped with master mold, and the male model and the master mold are respectively positioned on above the workbench and are in sustained height, The master mold is fixed on the horizontal mounting plate by master mold bracket, is set between the horizontal mounting plate and first sliding block There is the first resetting-mechanism；The second resetting-mechanism is equipped between second sliding block and the baffle；

The master mold is monosymmetric to be equipped with a pair of of profile tooling, and a pair of profile tooling is respectively sleeved on the bending axis And it can be rotated on the bending axis；The profile tooling is equipped with several clamps close to the side of the male model；

Side above the workbench far from the male model is equipped with several locating wheels, and the locating wheel includes that front and back is staggered and sets Several first locating wheels and several second locating wheels set, several first locating wheels and several second locating wheels are distinguished On the working platform along the two sides for being symmetrically distributed in the through slot with the horizontal median axis of the male model；The profile tooling Region between the male model and the locating wheel is set；

The end that the through slot is located at the master mold side is equipped with position block, and the position block is fixed by the bracket described Above workbench, the position block and the master mold are on same level axis；The position block is equipped with stroke Switch.

2. mental section automatic bending machine according to claim 1, which is characterized in that the master mold bracket includes vertical branch Frame and horizontal bracket, the vertical rack are fixedly mounted on the horizontal mounting plate, and described horizontal bracket one end is fixed on institute It states on vertical rack, the other end is arranged above the bending axis；The master mold is fixedly connected on the horizontal bracket, described A pair of of fixture block is additionally provided on horizontal bracket, a pair of fixture block is located at the master mold two sides.

3. mental section automatic bending machine according to claim 1, which is characterized in that the horizontal mounting plate is close to described One end of first sliding block is equipped with a pair of symmetrically arranged guide rod, and the guide rod level extends to first sliding block；Institute It states the first sliding block and is equipped with a pair of of pilot hole, the guide rod passes through the pilot hole and is equipped with caging bolt in end；It is described First resetting-mechanism is arranged on the guide rod, and first resetting-mechanism is the first spring, and first spring is set in On the guide rod.

4. mental section automatic bending machine according to claim 1, which is characterized in that second sliding block is two pieces, preceding Parallel afterwards to be set on the sliding rail, the horizontal mounting plate is horizontal to be mounted on two pieces of second sliding blocks；Described Two sliding blocks and the sliding rail between the baffle of the master mold side are equipped with second resetting-mechanism；Described second is multiple Position mechanism is second spring, and the second spring is set on the sliding rail, and both ends are respectively fixedly connected in second sliding block On the baffle.

5. mental section automatic bending machine according to claim 1, which is characterized in that the profile tooling include one at The mounting portion and interconnecting piece of type, the interconnecting piece are disc with holes, and the interconnecting piece is set on the bending axis；It is described Mounting portion is vertical plate shape, and the one side of the mounting portion towards the male model is equipped with step, is bolted with loose piece on the step, institute Loose piece is stated to be adapted with the profile outer profile；Bolt locating piece is installed on the mounting portion below the loose piece, it is described Bolt locating piece is equipped with several vertical positioning pins；The clamp is installed at the top of the mounting portion；The mounting portion is remote One end from the interconnecting piece is also equipped with support column, and the support column bottom is embedded with ball, and the ball and the work are flat The upper surface of platform contacts.

6. mental section automatic bending machine according to claim 1, which is characterized in that each barman loads onto Fang Gu Surely it is bolted with a pair of parallel clamp, the collet of the clamp withstands the profile.

7. mental section automatic bending machine according to claim 1, which is characterized in that the top of the male model is 90 ° of foldings Angle, the top of the master mold are 90 ° of grooves, and the top of the male model presses profile bending into the groove；The folding Angle and the groove are arc transition, the line of centres of ipsilateral first locating wheel and second locating wheel with it is described It is axially in 45° angle in level.

8. mental section automatic bending machine according to claim 1, which is characterized in that the locating wheel includes wheel shaft and wheel Hub, the wheel hub are set in the top of the wheel shaft, and the lower end of the wheel shaft is removably attachable on the workbench；Institute It states workbench and is equipped with several mounting holes, first locating wheel and the second locating wheel are installed respectively on the mounting hole.

9. mental section automatic bending machine according to claim 1, which is characterized in that first resetting-mechanism and described Second resetting-mechanism is respectively one of spring, clockwork spring resetting-mechanism, gravity pulley or push rod resetting-mechanism.

10. mental section automatic bending machine according to claim 1, which is characterized in that the sliding rail is that a pair is set in parallel The sliding rail set, the sliding rail lower section are equipped with power output device, the push rod of the power output device and first sliding block Lower end is fixedly connected；The power output device is one of motor, electromagnet, hydraulic cylinder, piezoelectric ceramics, cylinder.

Technical field

The invention patent relates to profile bending equipment technical fields, and in particular to arrives a kind of mental section automatic bending machine.

Background technique

Profile refers to metal by plastic processing forming, the solid bars with certain section configuration and size.Profile adds Work is convenient, convenient for producing in enormous quantities, there is extensive purposes in industrial products.

For the product of three-dimensional structure, profile is needed through welding, is bolted or is attached by way of riveting, thus Three-dimensional structure is formed, and profile bending technique can then not use above-mentioned connection type, while keep higher intensity and more one The appearance of body.

The method that the bending of mental section generally uses has roll bending, stretch bending and press-bending.Wherein roll forming method is suitable for The continuous bending of large radius arc is more suitable for the isometric arc section bar processing of rail, vehicle frame, for consumer electronics, small household appliances etc. The profile frame of small-scale structure is then not suitable for；Stretch wrap forming method is to pass through pulling by the mold positioning on the inside of bending region Bending forming is completed in the two sides in profile bending region, profile each section unbalance stress in bending process, bending forming part Curvature is also uneven, it is difficult to guarantee higher geometric tolerance precision；Press shaping die method needs on punching machine or special hydraulic press It carries out, is chiefly used in vehicle bumper, the single-point of guardrail Isometric structure part or multiple spot bending, goes the rebound of bending region larger, need Multiple die trial continuously bends profile enclosed type, can not process to determine the rebound precision bent.

Such as Chinese utility model patent (publication number: CN205519109U) disclosed a kind of round steel in 2016 and rolls over automatically Bending apparatus, the round steel automatic bending device are flat by motor, turn-screw, support, driving member, locating wheel, square drift, operation Platform, hold-down support and other auxiliary bodies composition, the round steel automatic bending device are characterized in that the fixed branch on operating platform Seat is equipped with motor, and power is transmitted to turn-screw by motor, and turn-screw drives driving member for linear motion, in the another of driving member There is square drift at end, and square drift is by round steel bending, and in one end of operating platform, there are two locating wheels, to realize the folding of round steel It is curved.Although the automatic bending device can be realized the bending of round steel, but the precision of bending is low, and workpiece discontinuity cannot The more demanding profile of enough bending precisions.

And existing apparatus for bending, after bending workpieces, male model, master mold cannot automatically reset, and be separately controlled public affairs Mould, master mold reset, not convenient enough.

Summary of the invention

In response to the problems existing in the prior art, the purpose of the present invention is to provide a kind of delicate structure, it is easy to operate, safety can The mental section automatic bending machine leaned on.

To achieve the above object, the technical solution adopted by the present invention is that:

A kind of mental section automatic bending machine, including workbench, the workbench middle part are provided with through slot, the through slot Lower section passes through the bottom that baffle is fixed and is connected to the workbench at least provided with a pair of of sliding rail, the sliding rail both ends respectively； The first sliding block and several second sliding blocks are successively arranged on the sliding rail, first sliding block is equipped with male model；Second sliding block It is equipped with horizontal mounting plate, bending axis is equipped in the middle part of the horizontal mounting plate, the one of the separate male model above the bending axis Side is equipped with master mold, and the male model and the master mold are respectively positioned on above the workbench and in sustained heights, and the master mold is logical It crosses master mold bracket to be fixed on the horizontal mounting plate, first is equipped between the horizontal mounting plate and first sliding block and is resetted Mechanism；The second resetting-mechanism is equipped between second sliding block and the baffle；

The master mold is monosymmetric to be equipped with a pair of of profile tooling, and a pair of profile tooling is respectively sleeved at the bending It can rotate on axis and on the bending axis；The profile tooling is equipped with several clamps close to the side of the male model；

Side above the workbench far from the male model is equipped with several locating wheels, and the locating wheel includes front and back mistake Open up several first locating wheels and several second locating wheels set, several first locating wheels and several second locating wheels Respectively on the working platform along the two sides for being symmetrically distributed in the through slot with the horizontal median axis of the male model；The profile The region between the male model and the locating wheel is arranged in tooling；

The end that the through slot is located at the master mold side is equipped with position block, and the position block is fixed by the bracket Above the workbench, the position block and the master mold are on same level axis；The position block is equipped with Travel switch.

This automatic bending machine is mobile to master mold direction by male model, and the profile in front of male model hob is transported backward together It is dynamic, under the mating reaction of locating wheel, complete the bending to profile；After the completion of bending, resetted in the first resetting-mechanism and second Under the action of mechanism, male model, master mold and profile tooling can automatically reset.

The bending axis and the master mold and master mold bracket are set along above the horizontal mounting plate, can guarantee mother Mould and bending axis synchronizing moving, relative position remain unchanged, and are conducive to the accuracy for improving profile bending part；

The setting of profile tooling enables profile to post and fix and loads onto barman, and in bending process, profile stress is equal It is even, it ensure that higher tolerance grade；After profile is accurately loaded, adjustment profile is not needed during bending Position improves bending yield rate without shaking or misplacing after worrying profile stress；

Along the locating wheel of bending center symmetric setting, can preferably limit profile tooling shift position and required bending Angle, it is ensured that the accuracy of profile bending angle；

The position block of through slot end can be avoided master mold and excessively move backward, while when master mold touches position block On travel switch when, travel switch, which can send instruction, makes power output device stop the output of power, or halts simultaneously It drives male model 5 to start counter motion and returns initial position.

Further, the master mold bracket includes vertical rack and horizontal bracket, and the vertical rack is fixedly mounted on institute It states on horizontal mounting plate, described horizontal bracket one end is fixed on the vertical rack, and the other end is arranged on the bending axis Side；The master mold is fixedly connected on the horizontal bracket, and a pair of of fixture block, a pair of fixture block are additionally provided on the horizontal bracket Positioned at the master mold two sides.

Using the structure of master mold bracket, it can guarantee that master mold is stably fixed above the horizontal mounting plate, and will not shadow Ring the arrangement of bending axis；A pair of of fixture block can prevent master mold from shaking to two sides, avoid deviation occur when bending.

Further, the horizontal mounting plate is equipped with a pair of symmetrically arranged guiding close to one end of first sliding block Bar, the guide rod level extend to first sliding block；First sliding block is equipped with a pair of of pilot hole, the guide rod Caging bolt is equipped with across the pilot hole and in end；First resetting-mechanism is arranged on the guide rod, and described the One resetting-mechanism is the first spring, and first spring is set on the guide rod.

The setting of guide rod can guarantee the accuracy of male model moving direction, and the top of male model can be accurately aimed at master mold Groove；In bending, the first sliding block is moved along sliding rail and guide rod to master mold, compresses first spring, and male model contacts profile And after completing bending, male model, master mold are returned, and under the action of the first spring, the distance between master mold and male model are returned to initially Position, relative distance between the two keep and unanimously, convenient for the next profile that be loaded, and do not have to manually adjust repeatedly before bending The distance between master mold and male model.

Further, second sliding block is two pieces, and front and back is parallel to be set on the sliding rail, the horizontal mounting plate Horizontal is mounted on two pieces of second sliding blocks；Between second sliding block and the baffle of the close master mold side Sliding rail is equipped with second resetting-mechanism；Second resetting-mechanism is second spring, and the second spring is set in described On sliding rail, both ends are respectively fixedly connected on second sliding block and the baffle.Due to be mounted with above horizontal mounting plate compared with More components is supported and fixed to keep the balance and stabilization of horizontal mounting plate using two pieces of second sliding blocks disposed in parallel Horizontal mounting plate；Second spring can be pushed into initial position for the second sliding block is counter after completing bending.

Further, the profile tooling includes integrally formed mounting portion and interconnecting piece, and the interconnecting piece is with holes Disc, the interconnecting piece are set on the bending axis；The mounting portion is vertical plate shape, and the mounting portion is towards the public affairs The one side of mould is equipped with step, is bolted with loose piece on the step, the loose piece is adapted with the profile outer profile；The loose piece Bolt locating piece is installed, the bolt locating piece is equipped with several vertical positioning pins on the mounting portion of lower section；It is described The clamp is installed at the top of mounting portion；The mounting portion is also equipped with support column far from one end of the interconnecting piece, described Column bottom is supported to be embedded with ball, the ball is contacted with the upper surface of the workbench.

Using the profile tooling of this structure, interconnecting piece can be connected on bending axis and be rotated by axle sleeve, mounting portion energy Enough fixed profile, until profile bending and molding, makes profile uniform force；The setting of loose piece, convenient for according to the profile of different model Select different loose pieces, and do not have to replace entire profile tooling, increase the use scope of profile tooling, reduce tooling at This, loose piece can carry out processing customization and replacement according to the cross sectional shape of differential profiles；Profile position can be accurately positioned in positioning pin It sets, under the cooperation of clamp, the position of profile can accurately be fixed, and improve the precision of bending；Support column can support described Profile tooling simultaneously keeps its balance, and ball is conducive to barman and moves on the workbench.

Further, each barman side of loading onto is fixed is bolted with a pair of parallel clamp, the clamp Collet withstands the profile.

Wherein, the mode of the fixed profile of the clamp may be replaced with bolt, glue sticking, vacuum suction, electromagnetism suction The installation way such as attached, pin, rivet.

Further, the top of the male model is 90 ° of dog-ears, and the top of the master mold is 90 ° of grooves, the top of the male model End presses profile bending into the groove；The dog-ear and the groove are arc transition；Ipsilateral described first It is axially in 45° angle in the line of centres and the level of locating wheel and second locating wheel.Guarantee that profile can be accurate 90 ° of bending, the male model and master mold are the major die of bending and molding, and locating wheel plays assistant formation, is further ensured that The accuracy of bending angle.

Further, the locating wheel includes wheel shaft and wheel hub, and the wheel hub is set in the top of the wheel shaft, the wheel The lower end of axis is removably attachable on the workbench；The workbench is equipped with several mounting holes, the mounting hole It is upper that first locating wheel and the second locating wheel are installed respectively.The wheel hub forms bearing with wheel shaft and connect, and wheel hub is with wheel shaft It is freely rotated centered on axis；Herein dismountable connection type can enumerate be bolted, weld, glue sticking, vacuum suction, The connection type of electromagnetic adsorption；As the replacement convenient for requiring to carry out locating wheel for different bendings, preferred fixation side here Formula is to be bolted.The mode that wheel shaft is connect with wheel hub herein can be rolling bearing, sliding bearing；Preferably at low cost herein, Sliding bearing easy to maintain.

Further, first resetting-mechanism and second resetting-mechanism are respectively spring, clockwork spring resetting-mechanism, again One of power pulley or push rod resetting-mechanism.When the relative position between bending axis and guide rail changes, can store Energy, and after the thrust disappearance of the power output device suffered by bending axis, resetting-mechanism discharges stored energy to drive folding Cambered axle and master mold return to original position.

Further, the sliding rail is a pair of sliding rail disposed in parallel, is equipped with power output device, institute below the sliding rail The push rod for stating power output device is fixedly connected with the lower end of first sliding block；The power output device is motor, electromagnetism One of iron, hydraulic cylinder, piezoelectric ceramics, cylinder.

The working method of this bending machine are as follows: profile will be fixed on barman by clamp and loaded onto, starting power output dress Set, driving the first sliding block along sliding rail move along a straight line, thus drive top male model along slide direction move along a straight line, until male model with Profile contact, male model push profile, profile tooling to move simultaneously；Barman one end under the limit of the locating wheel in front Do not continue to move forward, the profile tooling of the left and right sides will rotate around bending axis, and one end close to bending axis continues to move forward, profile Start to generate bending under the collective effect power of male model, profile tooling and master mold；Until the profile wage other end withstands rear Profile is fully advanced in the groove of master mold by the top of locating wheel, male model, until profile reaches the angle of required bending.

When reaching the angle of required bending, master mold contacts with position block and triggers travel switch, power output device It halts and male model is driven to start counter motion and return initial position, male model takes the lead in being detached from profile；Bending axis resets machine second Initial position is returned to together with master mold and profile tooling under structure effect, the good profile of bending also returns to initial bit with profile tooling It sets；Since in reseting procedure, infinite place and male model do not contact profile tooling, the profile tooling of the left and right sides yet in front of workbench Still 90 degree of angles are to maintain, clamp is unclamped, removes profile；Barman's dress is adjusted to horizontal, be loaded next profile, after Continuous bending.

Compared with prior art, the beneficial effects of the present invention are: 1, by the setting of profile tooling and locating wheel, ensure that The accuracy of profile bending and molding；2, this bending machine uses modularized design, can substantially reduce design cost, and facilitate basis Different profile, bending angle, size etc. carry out module switching, easily facilitate the production of flexibility；3, this bending machine is able to carry out Accurate bending and molding processing, can process the product of enclosed shape；Simultaneous processing is high-efficient, and automatic controlling level is high, convenient Carry out continuous, quickly large batch of automated production.

Detailed description of the invention

Fig. 1 is a kind of three-dimensional structure diagram of mental section automatic bending machine of the present invention.

Fig. 2 is a kind of side view of mental section automatic bending machine of the present invention；

Fig. 3 is a kind of top view of mental section automatic bending machine of the present invention；

Fig. 4 is a kind of master mold supporting structure schematic diagram of mental section automatic bending machine of the present invention；

Fig. 5 is partial sectional view at a kind of A-A of mental section automatic bending machine of the present invention；

Fig. 6 is a kind of profile tool structure schematic diagram of mental section automatic bending machine of the present invention；

Fig. 7 is a kind of bending completion status schematic diagram of mental section automatic bending machine of the present invention；

Fig. 8 is the schematic diagram that a kind of mental section automatic bending machine of the present invention is used to process enclosed shape product；

In figure: 1, workbench；2, through slot；3, sliding rail；4, baffle；5, the first sliding block；6, the second sliding block；7, it is horizontally mounted Plate；8, bending axis；9, male model；10, master mold；11, master mold bracket；1101, vertical rack；1102, horizontal bracket；1103, fixture block； 12, profile tooling；1201, mounting portion；1202, interconnecting piece；1203, loose piece；1204, bolt locating piece；1205, positioning pin； 1206, support column；1207, ball；13, clamp；1301, collet；14, profile；15, locating wheel；1501, the first locating wheel； 1502, the second locating wheel；1503, wheel shaft；1504, wheel hub；16, position block；17, bracket；18, guide rod；19, the first bullet Spring；20, second spring；21, power output device；22, push rod.

Specific embodiment

Below in conjunction with the attached drawing in the present invention, technical solution of the present invention is clearly and completely described, it is clear that Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention Example, those of ordinary skill in the art's all other embodiment obtained under the conditions of not making creative work belong to The scope of protection of the invention.

In the description of the present invention, it should be noted that term " in ", "upper", "lower", "left", "right", "inner", "outside" The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of the description present invention and Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction And operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " etc. are used for description purposes only, and It cannot be understood as indicating or implying relative importance.