The material cutting mechanism of line hook forming machine
Technical field
The utility model relates to field of mechanical technique, especially relates to a kind of material cutting mechanism that is used for the line hook forming machine of production line hook.
Background technology
The line hook is requisite parts on the apparatuses such as bundled device, belt tightener.The shape of line hook as shown in Figures 2 and 3, whole line hook is formed through bending ram by metal wire rod or sheet material.
At present, generally five processes be to use when line is hooked in and produces, be i.e. alignment, blank, U-shaped, pressing and bending forming bent to.This five processes is finished by independently production equipment and mould, and the production equipment that needs is more, and the site area that takies is big.Simultaneously, because this five processes is finished on different punch presses, semi-finished product need the frequent machining location of changing, and its production efficiency is low, and waste material is many, the processing cost height of product.For this reason, the applicant had once applied for line hook finishing die (application number: patent 200410025325.1) by name.In use, wire rod is positioned in the core rod, utilizes each slide block from different directions it to be carried out punching press then, that is to say on this mould and can finish all manufacturing procedures, so the speed of production of line hook is fast, high efficiency.
Above-mentioned line hook finishing die has successfully solved the shaping problem of line hook.Slip by control device control slide block can realize the automated production of line hook, simplifies production technology, and reduces the cost of product.But the raw material that is used for the processing line hook still will be finished at different production equipments when cutting, can't be transported to line hook finishing die in time, and this has just brought very big trouble to production, and operating efficiency is difficult to improve.
Summary of the invention
The purpose of this utility model is at the problems referred to above, and providing a kind of can cut automatically to wire rod, the bar uniform specification that cutting forms, and entire mechanism operates steadily, the material cutting mechanism of the line hook forming machine of high efficiency; Solved prior art existing need the frequent machining location of changing, production efficiency is low, the technical problem that the processing cost of product is high.
For achieving the above object, the utility model has adopted following technical proposal: the material cutting mechanism of this line hook forming machine, comprise frame, the hydraulic cylinder of cutter and the action of control cutter, it is characterized in that, on frame, be provided with slide rail, slide rail is provided with the balladeur train that an energy slides along slide rail, described hydraulic cylinder is fixed on this balladeur train, on balladeur train, be provided with the blank mould of a control blank length, have a straight hole that allows wire rod enter on the blank mould along a direction, be provided with a back-moving spring between described balladeur train and the frame, one end of back-moving spring is fixed on the frame, the other end be fixed on the balladeur train and have make balladeur train along with the trend of above-mentioned wire rod approach axis reverse slide.
Because the blank mould only has a straight hole that supplies wire rod to enter, after wire rod entered the blank mould, its front end will inevitably withstand the inwall of blank mould.Along with wire rod continue send to, the blank mould can drive balladeur train and slide along slide rail.Along with moving of balladeur train, back-moving spring will be stretched, and produces the pulling force opposite with the balladeur train moving direction.Slide rail is horizontally disposed, and balladeur train is done horizontal movement on slide rail.Hydraulic cylinder control cutter is done vertically-acting, and wire rod is cut off.At this moment, because balladeur train is not subjected to the active force of wire rod to sinciput, will so just finish once cutting toward rollback under the effect of back-moving spring pulling force.Along with sending to of wire rod, its front end can enter the blank mould again, and balladeur train to sinciput, and so forth, is realized automatic cutoff.
Because wire rod is longer, in sending process to,, cause blank length to be difficult to guarantee that the bar that cutting is formed is diversified in specifications if support will not cause bending.On the other hand and since wire rod to send stroke to longer, probably when feeding, produce skew.For this reason, in the material cutting mechanism of above-mentioned line hook forming machine, be provided with one and hold the line body on the wire rod in-position of cutter, described holding has the pilot hole that passes through for wire rod on the line body.Wire rod passes the pilot hole of holding on the line body when sending to, not only can play the effect of support like this to wire rod; Simultaneously, also can guide the feeding direction of wire rod, to guarantee the bar uniform specification of each cutting, machining accuracy height.Holding the line body and can be made as one here with balladeur train.
In the material cutting mechanism of above-mentioned line hook forming machine, described blank mould is provided with a retaining edge, and the front end of wire rod can enter the blank mould and withstand on this retaining along last.
In the material cutting mechanism of above-mentioned line hook forming machine, described blank mould and balladeur train are integral structure.Blank mould and balladeur train are made as one, are convenient to processing, reduce the production cost of whole device.
In the material cutting mechanism of above-mentioned line hook forming machine, described slide rail is provided with the sensor of plurality of detection balladeur train run location.Sensor can play the effect that detects the slide rail running and prevent to produce fault.When balladeur train moved to predefined off-position, sensor transferred to shutoff signal in the controlling organization of control cutter work.By sensor is the haul distance that balladeur train is set a safety, and after balladeur train mobile exceeded certain stroke, this sensor just can be perceived, and takes corresponding safety measure.
In the material cutting mechanism of above-mentioned line hook forming machine, be provided with sensor between described blank mould and the cutter.Can monitor the working condition of cutter by this sensor, so that produce control signal.
In the material cutting mechanism of above-mentioned line hook forming machine, described balladeur train below is provided with material-storing box, and described material-storing box is arranged on the guide pipe.The bar that cuts down can fall into material-storing box, and delivers to subsequent processing by it and process.
Compared with prior art, the advantage of the material cutting mechanism of this line hook forming machine is, wire rod can promote the balladeur train that is provided with the blank mould in sending process to, finish simultaneously blank work under the cooperation of cutter, whole blank process circulation is carried out automatically, therefore, cutting speed is fast, high efficiency, mechanism operates steadily, the bar uniform specification that cutting forms.
Description of drawings
Fig. 1 is the structure chart of the material cutting mechanism of the line hook forming machine that provides of the utility model.
Fig. 2 is the main TV structure schematic diagram of line hook.
Fig. 3 is the A-A sectional structure schematic diagram along Fig. 2.
Among the figure, frame 1, cutter 2, hydraulic cylinder 3, slide rail 4, balladeur train 5, blank mould 6, straight hole 6a, retaining along 6b, back-moving spring 7, hold line body 8, pilot hole 8a, sensor 9, material-storing box 10, guide pipe 11.
The specific embodiment
This line hook forming machine is used to process the line hook shown in Fig. 2 and 3.As shown in Figure 1, line hook forming machine material cutting mechanism comprises parts such as frame 1, cutter 2, hydraulic cylinder 3, slide rail 4, balladeur train 5.
As shown in Figure 1, be provided with horizontally disposed slide rail 4 on frame 1, slide rail 4 is provided with the balladeur train 5 that an energy slides along slide rail 4.Hydraulic cylinder 3 is fixed on this balladeur train 5, and can control cutter 2 and vertically carry out cutting operation.
On balladeur train 5, be provided with the blank mould 6 of a control blank length, have a straight hole 6a who allows wire rod enter on the blank mould 6 along a direction.Blank mould 6 and balladeur train 5 are integral structure, so that the processing and fabricating of whole device.Blank mould 6 is provided with a retaining along 6b, and after wire rod entered blank mould 6, its front end can withstand the retaining of blank mould 6 along on the 6b.Along with wire rod continue send to, blank mould 6 can drive balladeur trains 5 and slide along slide rail 4.
Be provided with a back-moving spring 7 between balladeur train 5 and the frame 1, an end of back-moving spring 7 is fixed on the frame 1, the other end be fixed on the balladeur train 5 and have make balladeur train 5 along with the trend of above-mentioned wire rod approach axis reverse slide.Along with moving of balladeur train 5, back-moving spring 7 will be stretched, and produces and the opposite pulling force of balladeur train 5 moving directions.
Hydraulic cylinder 3 control cutters 2 are done vertically-acting, and wire rod is cut off.Wire rod is after cutting off, because balladeur train 5 is not subjected to the active force of wire rod to sinciput, will so just finish once cutting toward rollback under back-moving spring 7 pulling force effects.Along with sending to of wire rod, its front end can enter blank mould 6 again, and balladeur train 5 to sinciput, and so forth, is realized automatic continuous blank.
Because wire rod is longer, in sending process to if do not support and will not cause bending, and wire rod to send stroke to longer, probably when feeding, produce skew.For this reason, on the wire rod in-position of cutter 2, be provided with one and hold line body 8, hold and have the pilot hole 8a that passes through for wire rod on the line body 8.Hold line body 8 and be made as one with balladeur train 5.Wire rod passes the pilot hole 8a that holds on the line body 8 when sending to, not only can play the effect of support like this to wire rod.Simultaneously, also can guide the feeding direction of wire rod, to guarantee the bar uniform specification of each cutting, machining accuracy height.
For the ease of the co-ordination of control each several part, the security that improves whole device simultaneously.Be provided with three sensors 9 in the present embodiment.Wherein two are arranged on the slide rail 4, and another is arranged between blank mould 6 and the cutter 2.When balladeur train 5 moved to predefined off-position, the sensor 9 that is arranged on this position detected signal, thereby 2 work of control cutter cut down bar.Along with the action of cutter 2, be arranged between blank mould 6 and the cutter 2 and also can monitor signal.Also have a sensor 9 to be used to monitor balladeur train 5 and whether be positioned at safe stroke.After balladeur train 5 mobile exceeded certain stroke, this sensor 9 just can be perceived, and takes corresponding safety measure.
Balladeur train 5 belows are provided with material-storing box 10, and material-storing box 10 is arranged on the guide pipe 11.The bar that cuts down can fall into material-storing box 10, and delivers to subsequent processing by it and process.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used frame 1, cutter 2, hydraulic cylinder 3, slide rail 4, balladeur train 5, blank mould 6, straight hole 6a, keeps off along 6b, back-moving spring 7, held terms such as line body 8, pilot hole 8a, sensor 9, material-storing box 10, guide pipe 11 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.