A kind of foundation bolt forming machine
Technical field
The present invention relates to a kind of machine components forming machine, relate more particularly to a kind of foundation bolt forming machine, belong to bolt technical field of processing equipment.
Background technology
At present, the processing technology of high-strength bolt (such as high-strength foundation bolt) is generally: gren rod-(cold group)-nodularization (softening) annealing-mechanical descaling-pickling-cold group-cold-forging forming-screw thread process-heat treatment-inspection, in whole production process, the production efficiency of cold-forge forming is minimum, this also directly affects the inefficiency of whole production process, therefore, improving shaping process equipment is the key factor improving high-strength bolt production efficiency.
Chinese utility model patent 201220739951.7 discloses a kind of Novel feet bolt forming machine, comprise body, described body is provided with rolling disc and base, described rolling disc is provided with mould and forward-reverse switch, described base is provided with fixator, during use, after switching on power, by forward-reverse switch, rolling disc is first counterclockwise rotated, the original material of bar is counterclockwise rotated, then by forward-reverse switch, rolling disc is rotated clockwise, such bar just can bend to the shape of foundation bolt, again by lathe turning machining screw, thus be made into complete foundation bolt.Although bar can be shaped to the shape of foundation bolt by this forming machine, feed, shaping, feeding discontinuous, forming process expend time in and power comparatively large, do not improve the production efficiency of foundation bolt.
Therefore, for a kind of new foundation bolt forming machine of exploitation, not only there is urgent researching value, also there are good economic benefit and commercial Application potentiality, this just the power place that is accomplished of the present invention and basis lean on.
Summary of the invention
In order to overcome the defect of above-mentioned pointed existing foundation bolt forming machine, the present inventor, to this has been further investigation, after having paid a large amount of creative work, thus completes the present invention.
Specifically, technical problem to be solved by this invention is: provide a kind of foundation bolt forming machine, improves the production efficiency of foundation bolt processing, reduces production cost.
For solving the problems of the technologies described above, technical scheme of the present invention is: provide a kind of foundation bolt forming machine, described foundation bolt forming machine comprises frame, described frame is rotatablely equipped with the some groups of charging pair rollers vertically arranged, charging gap is formed between described charging pair roller, the end of described frame is provided with the vertical curved arc roller arranged, described frame is provided with the first actuating arm and the second actuating arm that are driven by the first power set, described first actuating arm and the second actuating arm are all vertically arranged and around described curved arc roller reciprocally swinging, a phase angle is provided with between described first actuating arm and the second actuating arm, described first actuating arm and be provided with between the second actuating arm and described curved arc roller and bend gap, described curved arc roller rotates and is installed on a central shaft, and described central shaft is vertically slidably mounted in described frame, and described frame is provided with a hydraulic cylinder vertically arranged, and the piston rod of described hydraulic cylinder connects described central shaft, described in a group of close described curved arc roller, charging pair roller connects the second power set.
In described foundation bolt forming machine of the present invention, as the preferred technical scheme of one, described first power set comprise hydraulic motor, the power output shaft of described hydraulic motor connects the first driving gear, described first driving gear is in transmission connection the first driven gear, described first driven gear rotates and is installed in described frame, and the upper end of described first actuating arm and the upper end of the second actuating arm are all installed on described first driven gear.
In described foundation bolt forming machine of the present invention, as the preferred technical scheme of one, between the oil-in of described hydraulic motor and oil-out, be provided with overflow valve.
In described foundation bolt forming machine of the present invention, as the preferred technical scheme of one, described frame is rotatablely equipped with the second driven gear, the bottom of described first actuating arm and the bottom of the second actuating arm are all installed on described second driven gear.
In described foundation bolt forming machine of the present invention, as the preferred technical scheme of one, the usual power transmission shaft of described first driving gear connects the second driving gear, and described second driving gear is meshed with described second driven gear.
In described foundation bolt forming machine of the present invention, as the preferred technical scheme of one, described second driven gear is provided with center, and described curved arc roller runs through described center and is slidably mounted in described center.
In described foundation bolt forming machine of the present invention, as the preferred technical scheme of one, often organize described charging pair roller and include two feed rollers relatively be arranged in parallel, described feed roller is provided with vertically some spill holding tanks, all described spill holding tanks form the beeline channel of some settings in column.
In described foundation bolt forming machine of the present invention, as the preferred technical scheme of one, described frame is provided with the limiting section of described first actuating arm of restriction and the second actuating arm extreme position.
After have employed technique scheme, described foundation bolt forming machine of the present invention achieves many beneficial effects, such as:
(1) owing to being provided with curved arc roller, and the first actuating arm and second actuating arm of reciprocally swinging is provided with around curved arc roller, reinforcing bar blank is while charging pair roller clamping conveying, bent by the first actuating arm and the second actuating arm, arc roller of going for a stroll is shaping, after shaping, first actuating arm and the second actuating arm reset, curved arc roller vertically slides under hydraulic cylinder effect, depart from reinforcing bar blank, complete the half-finished processing of foundation bolt, this cooling formation technic substantially increases production efficiency, reduces production cost.
(2) because the first power set employ hydraulic motor and overflow valve, bending power when can either ensure shaping, can protect again the Hydraulic Elements in hydraulic system.
(3) owing to feed roller being provided with vertically some spill holding tanks, all spill holding tanks form the beeline channel of some settings in column, once can carry many reinforcing bar blanks, one-shot forming many foundation bolt semi-finished product, further increase the shaping efficiency of foundation bolt.
As mentioned above, the invention provides a kind of Novel feet bolt forming machine, described forming machine has plurality of advantages, thus can industrially have a good application prospect and industrial production potential.
Accompanying drawing explanation
Fig. 1 is the structural representation of the foundation bolt forming machine of the embodiment of the present invention;
Fig. 2 is the parts scheme of installation of the second driven gear in the embodiment of the present invention;
Fig. 3 is the structural representation of driven feed roller in the embodiment of the present invention;
Fig. 4 is the working state schematic representation of the embodiment of the present invention;
Fig. 5 is another working state schematic representation of the embodiment of the present invention.
Wherein, in Fig. 1 to 5, each number designation refers to following concrete meaning, element and/or parts respectively.
In figure: 1, frame, 2, charging pair roller, 201, driven feed roller, 2011, installation shaft, 2012, roll sleeve, 2013, spacer, 2014, round nut, 202, initiatively feed roller, 3, second power set, 4, first driven gear, 5, hydraulic motor, 6, first driving gear, 7, first actuating arm, 8, second actuating arm, 9, power transmission shaft, 10, second driving gear, 11, second driven gear, 12, central shaft, 13, hydraulic cylinder, 14, transition piece, 15, overflow valve, 16, curved arc roller, 17, center, 18, limiting section, 19, reinforcing bar blank.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.But the purposes of these exemplary embodiments and object are only used for exemplifying the present invention, not any type of any restriction is formed to real protection scope of the present invention, more non-protection scope of the present invention is confined to this.
As Fig. 1, Fig. 2 and Fig. 3 jointly shown in, a kind of foundation bolt forming machine provided by the present invention, described foundation bolt forming machine comprises frame 1, frame 1 is rotatablely equipped with the some groups of charging pair rollers 2 vertically arranged, charging gap is formed between charging pair roller 2, the end of frame 1 is provided with the vertical curved arc roller 16 arranged, frame 1 is provided with the first actuating arm 7 and the second actuating arm 8 driven by the first power set, first actuating arm 7 and the second actuating arm 8 are all vertical to be arranged and arc roller 16 reciprocally swinging of going for a stroll, a phase angle is provided with between first actuating arm 7 and the second actuating arm 8, first actuating arm 7 and be provided with between the second actuating arm 8 and curved arc roller 16 and bend gap, the cross sectional shape of the first actuating arm 7 and the second actuating arm 8 can be circular, polygon or other shapes, in this no limit, curved arc roller 16 is rotated by bearing and is installed on a central shaft 12, central shaft 12 is vertically slidably mounted in frame 1, frame 1 is provided with a hydraulic cylinder 13 vertically arranged, the piston rod of hydraulic cylinder 13 connects central shaft 12, certainly, can be direct-connected when the piston rod of hydraulic cylinder 13 is connected with central shaft 12, also transition piece 14 can be adopted to connect, because curved arc roller 16 is subject to larger active force when foundation bolt is shaping, therefore, when central shaft 12 is connected with piston rod, transition piece 14 should be used to connect, transition piece 14 uses connecting plate or link usually, one group of charging pair roller 2 near curved arc roller 16 connects the second power set 3, the charging pair roller 2 be connected with the second power set 3 is active feed roller 202, other charging pair roller 2 is driven feed roller 201, second power set 3 select motor or motor and synchronous pulley to combine usually, it should be noted that, the relation between the linear velocity of charging pair roller 2 and the first actuating arm 7 and the swing speed of the second actuating arm 8 is noted in debug process, those skilled in the art can choice for use voluntarily as required, does not repeat them here.
First power set comprise hydraulic motor 5, the power output shaft of hydraulic motor 5 connects the first driving gear 6, first driving gear 6 is in transmission connection the first driven gear 4, first driven gear 4 rotates and is installed in frame 1, the upper end of the first actuating arm 7 and the upper end of the second actuating arm 8 are all installed on the first driven gear 4, and the upper end of central shaft 12 is also plugged on the first driven gear 4.Overflow valve 15 is provided with between the oil-in of hydraulic motor 5 and oil-out; the setting of overflow valve 15 improves usage safety performance of the present invention; when the first actuating arm 7 or the second actuating arm 8 be subject to larger resistance can not move time; hydraulic motor 5 continues pump oil, and system pressure is increased severely, and may cause damage to intrasystem Hydraulic Elements; when system pressure exceedes the setting value of overflow valve 15; overflow valve 15 just off-load, reduces system pressure, protects intrasystem Hydraulic Elements.
Frame 1 is rotatablely equipped with the second driven gear 11, the bottom of the first actuating arm 7 and the bottom of the second actuating arm 8 are all installed on the second driven gear 11, equally, the bottom of central shaft 12 is also installed on the second driven gear 11, so that curved arc roller 16 can bear larger active force, realize making compared with the foundation bolt of large gauge diameter.
First driving gear 6 usually power transmission shaft 9 connects the second driving gear 10, the material that power transmission shaft 9 selects torsional property strong, first driving gear 6 and the second driving gear 10 are separately fixed at the two ends of power transmission shaft 9, second driving gear 10 is meshed with the second driven gear 11, second driven gear 11 is provided with center 17, curved arc roller 16 runs through center 17 and is slidably mounted in center 17, and center 17 plays guide effect, so that central shaft 12 can be inserted on the first driven gear 4 smoothly.
Often organize charging pair roller 2 and include two feed rollers relatively be arranged in parallel, feed roller is provided with vertically some spill holding tanks, no matter be initiatively feed roller 202 or driven feed roller 201 are equipped with spill holding tank, spill holding tank clamping reinforcing bar blank 19, all spill holding tanks form the beeline channel of some settings in column, be in line the reinforcing bar blank 19 linearly channel downstream synchronous transport of shape, like this can one-shot forming many foundation bolts, improves shaping efficiency.At this, initiatively the structure of feed roller 202 and driven feed roller 201 is distinguished to some extent, as shown in Figure 3, driven feed roller 201 comprises the installation shaft 2011 be fixedly mounted in frame 1, installation shaft 2011 is rotatablely equipped with several roll sleeves 2012, roll sleeve 2012 is provided with tapered ramp, and between adjacent two roll sleeves 2012, be provided with spacer 2013, to adjust the width of spill holding tank, jointly between two adjacent roll sleeves 2012 and spacer 2013 form spill holding tank, round nut 2014 is provided with, for fastening roll sleeve 2012 at installation shaft 2011 two ends; Initiatively the planform of feed roller 202 is similar to driven feed roller 201, its difference is, roll sleeve 2012 initiatively on feed roller 202 and spacer 2013 are all be fixedly mounted in installation shaft 2011, usual roll sleeve 2012, spacer 2013 and installation shaft 2011 are set to one, one end of installation shaft 2011 connects the second drive unit, in order to improve the chucking power of initiatively feed roller 202, initiatively the outer surface of feed roller 202 is usually set with rubber sleeve or is coated with rubber layer.
Frame 1 is provided with the limiting section 18 of restriction first actuating arm 7 and the second actuating arm 8 extreme position, limiting section 18 has two, at curved arc roller 16 and initiatively between feed roller 202, and two limiting sections 18 are arranged at the both sides in charging gap respectively, when the first driven gear 4 rotates clockwise, first actuating arm 7 can be subject to the constraint of limiting section 18 when closing on the charging pair roller 2 of end, when the first driven gear 4 rotates counterclockwise, the constraint of limiting section 18 when the second actuating arm 8 closes on the charging pair roller 2 of end, can be subject to.
Operation principle and the course of work of described foundation bolt forming machine of the present invention are as follows:
As Fig. 4 and Fig. 5 jointly shown in, during initial position, second actuating arm 8 leans on limiting section 18, charging pair roller 2 holds reinforcing bar blank 19 and carries toward downstream, when the end of reinforcing bar blank 19 cross the first actuating arm 7 and near curved arc roller 16 time, first driven gear 4 starts to rotate, drive the first actuating arm 7 and the second actuating arm 8 clockwise oscillation, first reinforcing bar blank 19 bends along curved arc roller 16 by the first actuating arm 7, and along with the rotation of the first driven gear 4 and the continuation conveying of reinforcing bar blank 19, first actuating arm 7 continues roll extrusion reinforcing bar blank 19, second actuating arm 8 also contacts with reinforcing bar blank 19 and roll extrusion gradually, when the first actuating arm 7 encounters limiting section 18, reinforcing bar blank 19 is just bent shaping, now the first driven gear 4 rotates counterclockwise, when the second actuating arm 8 encounters limiting section 18, first driven gear 4 stops operating, now hydraulic cylinder 13 starts action, curved arc roller 16 is driven vertically to slide, curved arc roller 16 is departed from from the foundation bolt semi-finished product of bending forming, now charging pair roller 2 is rotated further, foundation bolt semi-finished product are released, complete forming process.Present invention uses the mode of bending forming, belong to cold forming, production efficiency is high, and can one-shot forming many foundation bolts, greatly reduces the production cost of foundation bolt, has very high popularizing value.
Should be appreciated that the purposes of these embodiments is only not intended to for illustration of the present invention limit the scope of the invention.In addition; also should understand; after having read technology contents of the present invention, those skilled in the art can make various change, amendment and/or modification to the present invention, and these all equivalent form of values fall within the protection domain that the application's appended claims limits equally.