CN105689422A - Driving roller die and driven roller die - Google Patents
Driving roller die and driven roller die Download PDFInfo
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- CN105689422A CN105689422A CN201610123624.1A CN201610123624A CN105689422A CN 105689422 A CN105689422 A CN 105689422A CN 201610123624 A CN201610123624 A CN 201610123624A CN 105689422 A CN105689422 A CN 105689422A
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- driving rollers
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- 230000005540 biological transmission Effects 0.000 abstract description 4
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- 238000005491 wire drawing Methods 0.000 description 24
- 238000000034 method Methods 0.000 description 17
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- 238000011144 upstream manufacturing Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 230000008901 benefit Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
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- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
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- 239000011265 semifinished product Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
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- 125000004646 sulfenyl group Chemical group S(*)* 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
- B21C3/08—Dies; Selection of material therefor; Cleaning thereof with section defined by rollers, balls, or the like
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Extraction Processes (AREA)
Abstract
The invention relates to a driving roller die and a driven roller die. The driving roller die comprises at least one pair of driven rollers, and further comprises at least one pair of driving rollers, wherein the rotating axes of each pair of driven rollers are parallel to each other, and the rotating axes of each pair of driving rollers are parallel to each other; and at least one driving roller in each pair of driving rollers is connected with a driving device through a transmission device or directly connected with the driving device. The rotating axes of all the driving rollers and the rotating axes of all the driven rollers are located in the same plane, and the plane is perpendicular to a flux-cored wire. A flux-cored wire forming machine adopting the driving roller die and the driven roller die is high in reducing efficiency.
Description
Technical field
This patent belongs to the manufacturing technology field of welding material, belong to the B23k35/40 of IPC code, still belong to the shaping jig technical field of the metal drawing in the cross section limited by roller, ball or like parts, belong to the B21C3/08 of IPC code, particularly relate to actively roller die and passive roller die。
Background technology
At present, the mode adopting drawing makes flux-cored wire tube reducing be the key link that flux-cored wire produces, it is particularly drawn flux-cored wire by the wire drawing hub (or being referred to as wire drawing tank, reel) of wire drawing machine, multi-turn flux-cored wire is wrapped on reel, to form friction self-locking, flux-cored wire receives the frictional force between reel and realizes the frictional force and between wire drawing die of tube reducing resistance when overcoming by wire drawing die。Adopt in this way, due in drawing process, it cannot be guaranteed that the material of flux-cored wire is completely uniform, and transmission process also not necessarily entirely accurate, so when wire drawing machine is multi-joint wire drawing machine time, it is necessary between each reel, kink is set, or tension coordinating roller, to compensate the speed Incomplete matching problem between each reel, and speed difference is reflected in control system, control system make each reel of wire drawing machine run and be attributed to balance。In such a mode, it is necessary to motor has the bigger margin of power, in order to the reel adjusting rotary inertia bigger rapidly makes the speed coordination between each reel。So, in drawing tube reducing, except the basic resistance needing to overcome tube reducing to deform, also need to the frictional resistance overcoming flux-cored wire in wire drawing die, and the resistance that the flux-cored wire that multiple-turns wound is on reel is upwards creeped on reel, adding the power headroom reserved to overcome the rotary inertia that on wire drawing machine, each rotary part is bigger to carry out speed governing, this three has resulted in the general power of equipment and has risen, manufacturing cost rises, and when running, energy resource consumption is huge。
And, in the processing of existing flux-cored wire, the roller die adopted mostly is the roller die of two rollers, for instance disclosed " wire-drawing frame " application publication number of 2007-10-17 is CN101053879A, and disclosed " roller die " Authorization Notice No. of 2012.07.04 is CN202290813U。Although this roller die saves a part of frictional resistance than common wire drawing die (fixing mould) drawing。But being all two rolling systems due to these roller dies, two roller rolling modes have problems with:
1, as shown in Figure 1, what in the two roller operations of rolling, flux-cored wire was limited mainly by is the power deformed up and down, so substantially flux-cored wire being flattened on the vertical line direction of two roll axis, so being first be rolled into ellipse, then roll is converted 90 °, oval major axis becomes next step short axle again, and short axle originally becomes next step major axis。So this tube reducing process be alternately be deformed into the mutually perpendicular ellipse of major axis, last tube reducing complete flux-cored wire neither positive round。So requiring for higher flux-cored wire for processed finished products circularity, finally still requiring over and fixing mould together to make flux-cored wire be configured to circle。Such as, power 2 in " for the method that manufactures seamed cored wire " of the publication number CN1590009A that Japanese kobe steel is applied for also simply refer to " welding wire shaped from tubulose is stretched to the welding wire close to diameter wires before having product diameter and all undertaken by roller mould; then; in the end welding wire draw stage carries out finishing welding wire stretching by casement ", also realizes whole welding wire drawing process not by roller die。So be all used by four pairs of roller-die combinations in the two patent together, between often adjacent two couple, stagger 90 °。This is excessive also for being avoided reducing rate in single tube reducing, and the ellipse caused is excessively flat, also to spend bigger active force to correct this more flat ellipse, so as to become round, then carry out tube reducing again when tube reducing next time。It is arranged so as to the additional forces brought also for the ellipse reduced in each deformation process, reduces the resistance in tube reducing process。
2, two rolling systems can not form a completely enclosed space, space also can be left in the side of groove carrying out rolling between topping roll and bottom roll (left and right roll), this space can be clearly seen that in the accompanying drawing of CN202290813U, leave the space that can outwardly extend may to the deformation of flux-cored wire during tube reducing, cross section is formed two ears's (as shown in Figure 2)。Because adopt Concerning Pipe-reducing With Roll Type Die be usually alternately 90 ° roller die is set, and the two ear is in upper rolling once, can form the reinforcement ridge that antagonism deforms next time, thus increasing the deformation force of flux-cored wire deformation。Same, use existing two common rolling framves to carry out actively rolling also to there is a problem in that, so the rolling being also accomplished by more sortie can complete tube reducing process, the such as Authorization Notice No. of authorized announcement date 2012.06.20 is the flux-cored wire forming machine of CN202278316U, have employed and carry out tube reducing up to 18-22 group horizontal roll and 17-21 group vertical roller, so many roll stacks are adjusted, it is simply that a very complicated thing。
3, by in the roll axis plane of two rolls, what each roll contacted with flux-cored wire is camber line together, the linear velocity of each point of this road camber line topping roll is different, assuming that the radius of roll is R, the radius of the groove of roll is r, gap between two rolls is d, linear velocity is ω, the edge that point is camber line that so linear velocity is maximum, its radius is R, linear velocity is r ω, the center that point is camber line that linear velocity is minimum, its radius is R+d/2-r, its linear velocity is (R+d/2-r) ω, as any drawing tube reducing process, the gap being all desirable between d/2 and r is the bigger the better, such tube reducing effect becomes apparent from, so the difference of linear velocity is actually also more big, and the speed of each point on this camber line of flux-cored wire is unified, roll so just certainly exists the point that linear velocity is inconsistent with the linear velocity on flux-cored wire。The local of the local and roll that thus cause flux-cored wire there occurs Relative friction, adds the resistance of tube reducing on the one hand, flux-cored wire surface of also having worn and torn on the one hand。
Summary of the invention
This patent provides a kind of actively roller die and passive roller die for solving the technical problem of existence in known technology, and the tube reducing efficiency adopting the flux-cored wire forming machine of such active roller die and passive roller die is high。
A kind of actively roller die, including at least one pair of passive roll, the rotation axis of every pair of passive roll is parallel to each other, it is characterised in that:
Also include at least one pair of driving rollers, the rotation axis of every pair of driving rollers is parallel to each other, every pair of driving rollers have at least a driving rollers be connected with driving device by actuating device or be directly connected with driving device, the rotation axis of whole driving rollers and passive roll is in same plane, and this plane is vertical with flux-cored wire。
This patent can also be by the following technical solutions:
Preferably, described driving rollers is arranged on driving rollers frame to circumferentially rotate, in the way of axial restraint, and described passive roll is arranged on passive roll stand frame to circumferentially rotate, in the way of axial restraint,
Driving rollers frame and passive roll stand frame are installed on the dish of location, location dish is provided with the positioning boss that quantity is consistent with driving rollers frame and passive roll stand frame sum, positioning boss is provided with positioning through hole, the centrage of whole described positioning through hole is in the same plane, driving rollers frame and passive roll stand frame realize the root of the root of driving rollers frame and the hinged of positioning boss and passive roll stand frame and the hinged of positioning boss by the mode that alignment pin is installed in positioning through hole, described location dish is fixedly installed on base
Described driving rollers frame is respectively provided with a tightening support portion being connected with base with passive roll stand frame, and the direction that described tightening supports is not by described alignment pin。
It is preferred that, described driving rollers frame and described passive roll stand frame all have pair of parallel side plate, the described side plate of each driving rollers frame or each passive roll stand frame is connected by described tightening support portion, and described positioning boss is fitted with two parallel medial surface of each driving rollers frame or the pair of side plates of each passive roll stand frame。
It is further preferred that described driving rollers is coaxially connected with driven gear in the way of the rotation of same angular velocity, driven gear engages with teeth portion or the driving gear of driving gear shaft, and driving gear shaft or driving gear by actuating device or are directly connected with driving device。
A kind of passive roller die, including at least two pairs of passive rolls, the rotation axis of every pair of passive roll is parallel to each other, it is characterised in that:
All the rotation axis of passive roll is in same plane, and this plane is vertical with flux-cored wire。
This patent can also be by the following technical solutions:
Preferably, described passive roll is arranged on passive roll stand frame to circumferentially rotate, in the way of axial restraint,
Passive roll stand frame is installed on the dish of location, location dish is provided with the positioning boss that quantity passive roll stand frame sum is consistent, positioning boss is provided with positioning through hole, the centrage of whole described positioning through hole is in the same plane, dynamic roll stand frame realizes the root of passive roll stand frame and the hinged of positioning boss by the mode that alignment pin is installed in positioning through hole, described location dish is fixedly installed on base
Described passive roll stand frame is respectively provided with a tightening support portion being connected with base, and the direction that described tightening supports is not by described alignment pin。
It is preferred that, described passive roll stand frame all has pair of parallel side plate, the described side plate of each passive roll stand frame is connected by described tightening support portion, and described positioning boss is fitted with two parallel medial surface of the pair of side plates of each passive roll stand frame。
This patent has the advantage that and has the benefit effect that
Owing to this patent adopts technique scheme, by a tube reducing position, from at least four direction, flux-cored wire is carried out tube reducing, all blocked the deformation direction of flux-cored wire from multiple directions, eliminate the problem that ear and ellipse occur in existing two roller roller dies。Flux-cored wire can being held round in drawing process, thus saving the finishing drawing of last passage, being directly produced out finished product。Simultaneously, the deformation of flux-cored wire has all been blocked from multiple directions, also eliminate and flux-cored wire is deformed the active force ear and ellipse, and also eliminate in deformation next time and be deformed into ear and active force that is oval and that produce last time to offset, tube reducing efficiency is greatly improved, the tube reducing efficiency of original four pairs of roller dies can be reached by the tube reducing efficiency of one group of active roller die。
And adopt the active roller die of this patent to carry out tube reducing, also eliminate the resistance creeped on reel of the welding wire on sliding friction and drawing block in wire drawing die of the welding wire in wire drawing machine drawing process, the problem that simultaneously it also avoid the wire drawing machine reserved relatively high power surplus of rotary inertia speed governing in order to overcome transmission bigger, can realize good tube reducing effect by less energy resource consumption。
In addition, the active roller die adopting this patent carries out tube reducing, also avoid the lubricant in existing drawing process (even if even with Concerning Pipe-reducing With Roll Type Die in the CN1590009A of Kobe Steel, Ltd, it is also intended to use the lubricant of sulfenyl), decrease the dust pollution in drawing process and lubricant carbonization and the solid waste that produces。Simultaneously, it is to avoid make with lubricator, also eliminate because lubricant is entered by gap and causes the possibility making diffusible hydrogen content increase potentially inside flux-cored wire in seamed cored wire drawing process, thus improve the quality level of flux-cored wire。
Accompanying drawing explanation
The roller die that Fig. 1 is prior art rolls out oval schematic diagram；
Fig. 2 is the schematic diagram that roller die of the prior art rolls out ear；
Fig. 3 is the structural representation of embodiment 1；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the structural representation of embodiment 2；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the structural representation of embodiment 3；
Fig. 8 is the left view after embodiment 3 removes motor and actuating device；
Fig. 9 is the structural representation after embodiment 3 removes motor and actuating device, and wherein part have employed the A-A section view in Fig. 8；
Figure 10 is the structural representation of location dish；
Figure 11 indicates that the schematic diagram of multiple rows of roller die alignment error in prior art；
Figure 12 indicates that the schematic diagram of the four bar double-crank mechanisms adopting the roller die of eccentric shaft to be formed in prior art；
Figure 13 indicates that the schematic diagram of the error adopting the roller die of eccentric shaft to be formed when adjusting in prior art；
Figure 14 is the partial structurtes schematic diagram of embodiment 4；
Figure 15 is the partial structurtes schematic diagram of embodiment 5；
Figure 16 is the left view of embodiment 6；
Figure 17 is the structural representation of embodiment 6, and wherein part have employed the A-A section view in Figure 16。
Detailed description of the invention
For the innovation and creation content of this patent, feature and effect can be further appreciated that, hereby enumerate following example, and it be as follows to coordinate accompanying drawing to describe in detail:
Embodiment 1:
As shown in Figure 3 and Figure 4, a kind of flux-cored wire forming machine, including base 100, base is disposed with to downstream from upstream molding and rolls frame 200, powder feeder 300, heal up and roll frame 400 and apparatus for reducing diameter, in the present embodiment, described apparatus for reducing diameter is 3 actively roller dies 500, described active roller die includes at least one pair of passive roll, the rotation axis of every pair of passive roll is parallel to each other, also include at least one pair of driving rollers, the rotation axis of every pair of driving rollers is parallel to each other, every pair of driving rollers have at least a driving rollers be connected with driving device by actuating device or be directly connected with driving device, the rotation axis of whole driving rollers and passive roll is in same plane, and this plane is vertical with flux-cored wire。It is merely meant that gone out the main frame of flux-cored wire forming machine in Fig. 3, can also choose whether configuration cleaning steel and drying unit according to actual needs in the upstream of main frame, or machine fabric is set as needed in the downstream of main frame become to roll and pull out integral type flux-cored wire forming machine or admission machine is directly set by the finished silk take-up of semi-finished product silk or thicker。
Embodiment 2:
As shown in Figure 5 and Figure 6, a kind of flux-cored wire forming machine, including base 100, base is disposed with to downstream from upstream molding and rolls frame 200, powder feeder 300, heal up and roll frame 400 and apparatus for reducing diameter, in the present embodiment, described apparatus for reducing diameter is 1 the active roller die 500 set gradually, 1 passive roller die 600 and 1 active roller die, described active roller die includes at least one pair of passive roll, the rotation axis of every pair of passive roll is parallel to each other, also include at least one pair of driving rollers, the rotation axis of every pair of driving rollers is parallel to each other, every pair of driving rollers have at least a driving rollers be connected with driving device by actuating device or be directly connected with driving device, the rotation axis of whole driving rollers and passive roll is in same plane, and this plane is vertical with flux-cored wire。Described passive roller die includes at least two pairs of passive rolls, and the rotation axis of every pair of passive roll is parallel to each other, and all the rotation axis of passive roll is in same plane, and this plane is vertical with flux-cored wire。
If requiring that every time reducing rate is low, it is possible to use drive roll die drawing draws welding wire, overcome the tube reducing resistance of passive roller die, it is achieved actively roller die, passive roller die replace tube reducing。
It is merely meant that gone out the main frame of flux-cored wire forming machine in Fig. 5 and 6, can also choose whether configuration cleaning steel and drying unit according to actual needs in the upstream of main frame, or machine fabric is set as needed in the downstream of main frame become to roll and pull out integral type flux-cored wire forming machine or admission machine is directly set by the finished silk take-up of semi-finished product silk or thicker。
The present embodiment and embodiment 1 be only enumerated heal up roll frame after three actively roller dies and/or passive roller dies are set, in actual production, it is not limited to the situation of only three passage tube reducings, the active roller die of more multi-pass or passive roller die can also be used as required, it is also not necessarily limited to all apparatus for reducing diameters be all made up of the application actively roller die and/or passive roller die, can also (disclosed " wire-drawing frame " application publication number of such as 2007-10-17 be CN101053879A with common roller die on the market by the active roller die of the application, and disclosed " roller die " Authorization Notice No. of 2012.07.04 is CN202290813U) combination, or the active/passive roller die in the application rolls frame (Figure 22 in such as 2010105593768 with the tube reducing in existing flux-cored wire forming machine, Figure 23 actively rolls frame) combination。
Embodiment 3:
Refer to Fig. 7 to Figure 10,
A kind of actively roller die, including at least one pair of passive roll, the rotation axis of every pair of passive roll is parallel to each other, also include at least one pair of driving rollers, the rotation axis of every pair of driving rollers is parallel to each other, having at least a driving rollers to be connected with driving device by actuating device or be directly connected with driving device in every pair of driving rollers, the rotation axis of whole driving rollers and passive roll is in same plane, and this plane is vertical with flux-cored wire。
Particularly:
Driving rollers 2 is arranged on roll mandrel 24 by rolling bearing 8, roll mandrel is arranged on driving rollers frame 11, driving rollers frame is additionally provided with driving gear shaft 1, driving gear shaft is arranged on driving rollers support by rolling bearing, driving gear shaft connects the gear reduction box of a single-input double-output by Hooks coupling universal coupling 14, and this gear reduction box 13 is connected with motor (omitting in figure)。Driving rollers is fixedly connected with driven gear 3 also by screw 4, driven gear engages with the teeth portion of driving gear shaft, driven gear and driving rollers are all be sleeved on roll mandrel by rolling bearing, and driven gear directly delivers torque to driving rollers without through roll mandrel by screw。
Passive roll 10 is sleeved on roll mandrel also by rolling bearing 8, and roll mandrel is arranged on passive roll stand frame 18。
Driving rollers frame and passive roll stand frame are installed on location dish 23, location dish is provided with 4 positioning boss 30, 4 positioning boss are towards the same side of location dish and are evenly distributed on same circumference, positioning boss is provided with positioning through hole 32, the centrage of whole positioning through hole is in the same plane, this plane is vertical with the traffic direction of flux-cored wire, driving rollers frame realizes the root of driving rollers frame and the hinged of positioning boss by the mode that alignment pin 31 is installed in positioning through hole, the root of the passive roll stand frame of mode that passive roll stand frame is installed in positioning through hole by alignment pin is hinged with positioning boss, location dish is fixedly installed on base,
Driving rollers frame and passive roll stand frame all have pair of parallel side plate, the side plate of each driving rollers frame or each passive roll stand frame is connected by tightening support portion 29, and positioning boss is fitted with two parallel medial surface of each driving rollers frame or the pair of side plates of each passive roll stand frame。
It is respectively provided with a tightening support portion being connected with base between every pair of side plate of driving rollers frame and passive roll stand frame, tightening support zone is in the afterbody of two blocks of side plates, namely two blocks of side plates are away from one end of driving rollers or passive roll, threaded on tightening support portion have a holding screw 36, the afterbody of holding screw is against on base, owing to the direction of holding screw is perpendicular to base, and the position installing holding screw is side plate one end away from driving rollers and passive roll, so alignment pin is not passed through in the direction that driving rollers frame and passive roll stand frame tightening are supported by holding screw。
Owing to the position of driving rollers frame Yu the pin joint of location dish is the root of the biside plate at driving rollers frame, so the driving rollers frame on top and roll mandrel above, driving gear shaft, rolling bearing, the weight of the parts such as gland can make driving rollers frame produce the moment toppled clockwise shown in Fig. 9, in order to prevent superposed driving rollers frame from toppling, so be provided with a roll stand frame hangers 35 at the top of the tightening support portion of driving rollers frame, a spring hangers 33 it is provided with at the top of base, spring hangers is connected with roll stand frame hangers by spiral stretching spring 34。By the deformation of spiral stretching spring, roll stand frame hangers is produced a pulling force, it is possible to hang superposed driving rollers frame。
The operating principle of the present embodiment is:
First by floor installation on the table top of wire drawing machine, then regulate each holding screw so that the axis of four roll mandrels is in the same plane, and this plane is perpendicular to the traffic direction of flux-cored wire。Particularly, owing to roll mandrel is as what driving rollers frame, passive roll stand frame swung around alignment pin together, so when the accuracy of manufacture can ensure that, if it is driving rollers frame is consistent with the distance of base with the one side that the bottom surface holding screw of the afterbody of passive roll stand frame stretches out, it is possible to ensure that four roll mandrels are all located at this plane being perpendicular to flux-cored wire traffic direction。And whether the axis of four roll mandrels is parallel, it is then come determined by two side plates of the alignment pin on the dish of location, driving rollers frame or passive roll stand frame, as long as the manufacture of the through hole of positioning boss, alignment pin and side plate and assembly precision are sufficiently high on the dish of location, it is possible to ensure that four roll mandrels are coplanar or are respectively parallel to this plane being perpendicular to flux-cored wire traffic direction。Adopt the aperture adjusting roller die in this way, it is simple to finding a measuring basis whether being adjusted in place, location is convenient, and positioning precision is high。
And in roll stacks in the prior art, disclosed " roller die " Authorization Notice No. of such as 2012.07.04 is in CN202290813U, multiple rows of (multipair) roller die is worn together by bolt, bolt is only responsible for fastening, it is not be responsible for location, middle not any accurate location measure, the border circular areas that the groove on every pair of roller die is formed cannot ensure complete conllinear, and common line be wire drawing machine tangential on。So, as shown in figure 11, the path that the flux-cored wire walked in multipair roller is walked is exactly a snakelike path, and in carrying out drawing processing, the flux-cored wire occasion that this active force is bigger between each roller die is it cannot be guaranteed that the words of linear running, it is unfavorable for ensureing the linearity of flux-cored wire itself, in Figure 11, the circle of dotted line and rectangle represent the roller that flux-cored wire carries out tube reducing, for the rigging error between row's roller each in the figure that significantly shows, figure is also have employed the technique of painting of exaggeration to represent the dislocation of each row's roller。
And, the roller die (CN101053879A " wire-drawing frame " of such as Kobe Steel, Ltd) adopting eccentric shaft is only to ensure that aperture meets the requirements, whether the die hole formed as roll groove is completely placed in the middle, or whether the line of centres of two rolls is vertical with the theoretical traffic direction of flux-cored wire, that cannot ensure。If the series connection of multiple rows of roller die uses, so whether completely everybody cannot see the circle conllinear of the inside, even if it is pinpoint mutually for having location measure to ensure that between the framework often arranging roller die, but where the position of two rolls in often arranging specifically adjusts, and this also exists parameter。Because, if Figure 12 is for two edger rolls (axis of roller is vertical), it is unlikely to be two rollers time due to duty and is in nearest state, so for the roller die adopting eccentric shaft, assuming that the offset of every eccentric shaft is L, spacing between first side shaft portion, one end and the second side shaft portion, one end with eccentric axial portion supporting axle with eccentric axial portion supporting axle is D0, the centre distance of two rollers is D, this D0, D and two L-shaped become the double-crank mechanism of four bars, this double-crank mechanism can adjust any position, even if the theoretical traffic direction out of plumb of the center of two rollers and flux-cored wire, also can adjust completely and obtain, be just one section of side shaft portion that solid line circle less in Figure 12 represents, what the circle of dotted line represented is if position when roller is concentric with side shaft portion and outline, the position that the actual capabilities of the roll that tangent two circle of solid line represents adjust。So, as shown in figure 13, the circle of dotted line represents position when roll is concentric with side shaft portion and outline in fig. 13, the position that the actual capabilities of the roll that tangent two circle of solid line represents adjust。As can be seen from the figure, when being pinpoint between the framework often arranging roller die, if the position of the die hole formed between two roller dies in each row it cannot be guaranteed that unified, is also that to there is flux-cored wire path between multipair rod be the problem of serpentine path。So adopting the problem that the roller die of eccentric shaft also can also exist the circle not conllinear caused because adjusting eccentric shaft。
Active roller die in the present embodiment is high due to its tube reducing efficiency, and four Roller. redress are convenient, as long as ensureing that the one side that holding screw stretches out is consistent with the distance of base, ensure that four roll mandrels are all located at this plane being perpendicular to flux-cored wire traffic direction, the problem of the die hole not conllinear being absent from existing multiple rows of roller die between each row, thus improve the tube reducing quality of flux-cored wire。
After active/passive roll stand frame is adjusted in place, roll stand frame holder angle 6 is fixed on base, and the afterbody of active/passive roll stand frame is clamped at every a pair roll stand frame holder angle, thus it is possible to prevent because driving rollers frame or passive roll stand frame length are bigger, relying solely on the alignment pin being positioned at active/passive roll stand frame root, to be not enough to that active/passive roll stand frame afterbody is completely secured more stable, so relying on roll stand frame holder angle to clamp the afterbody of active/passive roll stand frame, the afterbody preventing active/passive roll stand frame is shaken, thus affecting the roll crudy to flux-cored wire。
When flux-cored wire is processed, power is by the reduction box of electric-motor drive to single-input double-output, it is transferred to driving gear shaft through Hooks coupling universal coupling by reduction box, power is transferred to driven gear by the teeth portion of driving gear shaft, owing to driven gear is fixed with driving rollers either directly through screw, so power is transferred directly to driving rollers by driven gear, flux-cored wire is carried out tube reducing by driving rollers, and passive roll be run in flux-cored wire drive and rotate, retrain the deformation direction of welding wire from other both direction。Thus tube reducing efficiency when improve processing flux-cored wire。
Embodiment 4:
As shown in figure 14, the present embodiment is identical with embodiment 3 major part, differing only in the present embodiment, between roll mandrel 24 with passive roll 10 or driving rollers 2, key is connected, and roll mandrel is arranged on driving rollers frame 11 or passive roll stand frame 18 by rolling bearing 8。In the present embodiment, driven gear can select to be connected by key to be arranged on roll mandrel, or selects to be connected by screw and driving rollers are fixing。The present embodiment is driven gear 3 is connected by screw 4 and driving rollers are fixing。
Embodiment 5:
As shown in figure 15, the present embodiment and embodiment 3 are different in that, each driving rollers frame 11 and passive roll stand frame 18 only one block of side plate, roll mandrel 24 one end is arranged on side plate in cantilever fashion, the other end of roll mandrel is provided with external screw thread, external screw thread is provided with nut, is screwed on external screw thread by nut, by all member grip on roll mandrel。Driving gear shaft is then support by being arranged on the rolling bearing 8 of driving rollers frame, and rolling bearing is compressed by rolling bearing end cap 13, and described rolling bearing end cap is arranged on the side away from driving rollers of side plate。
Additionally, one block of side plate is also hinged by alignment pin 31 and locating piece, and still original on the side plate position arranging tightening support portion sets tightening support portion。
Embodiment 6:
As shown in FIG. 16 and 17, a kind of passive roller die, including at least two pairs of passive rolls, the rotation axis of every pair of passive roll is parallel to each other, and all the rotation axis of passive roll is in same plane, and this plane is vertical with flux-cored wire。
Particularly:
Passive roll 10 is sleeved on roll mandrel 24 also by rolling bearing 8, and roll mandrel is arranged on passive roll stand frame 18。
Passive roll stand frame is installed on location dish 23, location dish is fixedly installed on base 19, location dish is provided with 4 positioning boss 30,4 positioning boss are towards the same side of location dish and are evenly distributed on same circumference, positioning boss is provided with positioning through hole 32, the centrage of whole positioning through hole is in the same plane, this plane is vertical with the traffic direction of flux-cored wire, the root of the passive roll stand frame of mode that passive roll stand frame is installed in positioning through hole by alignment pin 31 is hinged with positioning boss
Each passive roll stand frame has pair of parallel side plate, and the side plate of each passive roll stand frame is connected by tightening support portion 29, and positioning boss is fitted with two parallel medial surface of the pair of side plates of each passive roll stand frame。
A tightening support portion 29 being connected with base it is respectively provided with between every pair of side plate of passive roll stand frame, tightening support zone is in the afterbody of two blocks of side plates, namely two blocks of side plates are away from one end of driving rollers or passive roll, threaded on tightening support portion have a holding screw 36, the afterbody of holding screw is against on base, owing to the direction of holding screw is perpendicular to base, and the position installing holding screw is side plate one end away from passive roll, so alignment pin is not passed through in the direction that passive roll stand frame tightening is supported by holding screw。
Owing to the position of passive roll stand frame Yu the pin joint of location dish is the root of the biside plate at passive roll stand frame, so the passive roll stand frame on top and roll mandrel above, passive tooth wheel shaft, rolling bearing, the weight of the parts such as gland can make passive roll stand frame produce the moment toppled clockwise shown in Fig. 8, in order to prevent superposed passive roll stand frame from toppling, so be provided with a roll stand frame hangers 35 at the top of the tightening support portion of passive roll stand frame, a spring hangers 33 it is provided with at the top of base, spring hangers is connected with roll stand frame hangers by spiral stretching spring 34。By the deformation of spiral stretching spring, roll stand frame hangers is produced a pulling force, it is possible to hang superposed passive roll stand frame。
The operating principle of the present embodiment is:
First by floor installation on the table top of wire drawing machine, then regulate each holding screw so that the axis of four roll mandrels is in the same plane, and this plane is perpendicular to the traffic direction of flux-cored wire。Particularly, owing to roll mandrel is as what passive roll stand frame swung around alignment pin together, so when the accuracy of manufacture can ensure that, as long as the one side that the bottom surface holding screw of the afterbody of passive roll stand frame is stretched out is consistent with the distance of base, it is possible to ensure that four roll mandrels are all located at this plane being perpendicular to flux-cored wire traffic direction。And whether the axis of four roll mandrels is parallel, it is then come determined by two side plates of the alignment pin on the dish of location, passive roll stand frame, as long as the manufacture of the through hole of positioning boss, alignment pin and side plate and assembly precision are sufficiently high on the dish of location, it is possible to ensure that four roll mandrels are coplanar or are respectively parallel to this plane being perpendicular to flux-cored wire traffic direction。Adopt the aperture adjusting roller die in this way, it is simple to finding a measuring basis whether being adjusted in place, location is convenient, and positioning precision is high。
And in roll stacks in the prior art, disclosed " roller die " Authorization Notice No. of such as 2012.07.04 is in CN202290813U, multiple rows of (multipair) roller die is worn together by bolt, bolt is only responsible for fastening, it is not be responsible for location, middle not any accurate location measure, the border circular areas that the groove on every pair of roller die is formed cannot ensure complete conllinear, and common line be wire drawing machine tangential on。So, as shown in figure 11, the path that the flux-cored wire walked in multipair roller is walked is exactly a snakelike path, and in carrying out drawing processing, the flux-cored wire occasion that this active force is bigger between each roller die is it cannot be guaranteed that the words of linear running, it is unfavorable for ensureing the linearity of flux-cored wire itself, in Figure 11, the circle of dotted line and rectangle represent the roller that flux-cored wire carries out tube reducing, for the rigging error between row's roller each in the figure that significantly shows, figure is also have employed the technique of painting of exaggeration to represent the dislocation of each row's roller。
And, the roller die (CN101053879A " wire-drawing frame " of such as Kobe Steel, Ltd) adopting eccentric shaft is only to ensure that aperture meets the requirements, whether the circle formed as roll groove is completely placed in the middle, if the series connection of multiple rows of roller die uses, so whether completely everybody cannot see the circle conllinear of the inside, even if it is pinpoint mutually for having location measure to ensure that between the framework often arranging roller die, but often where the position of two rolls in row specifically adjusts, and this also exists parameter。Because, if Figure 12 is for two edger rolls (axis of roller is vertical), it is unlikely to be two rollers time due to duty and is in nearest state, so for the roller die adopting eccentric shaft, assuming that the offset of every eccentric shaft is L, spacing between first side shaft portion, one end and the second side shaft portion, one end with eccentric axial portion supporting axle with eccentric axial portion supporting axle is D0, the centre distance of two rollers is D, this D0, D and two L-shaped become the double-crank mechanism of four bars, this double-crank mechanism can adjust any position, even if the theoretical traffic direction out of plumb of the center of two rollers and flux-cored wire, also can adjust completely and obtain, be just one section of side shaft portion that circle less in Figure 12 represents, what the circle of dotted line represented is if position when roller is concentric with side shaft portion and outline, the position that the actual capabilities of the roll that tangent two circle of solid line represents adjust。So, as shown in figure 13, the circle of dotted line represents position when roll is concentric with side shaft portion and outline in fig. 13, the position that the actual capabilities of the roll that tangent two circle of solid line represents adjust。As can be seen from the figure, when being pinpoint between the framework often arranging roller die, if the position of the die hole formed between two roller dies in each row it cannot be guaranteed that unified, is also that to there is flux-cored wire path between multipair rod be the problem of serpentine path。So adopting the problem that the roller die of eccentric shaft also can also exist the circle not conllinear caused because adjusting eccentric shaft。
Passive roller die in the present embodiment is high due to its tube reducing efficiency, and four Roller. redress are convenient, as long as ensureing that the one side that holding screw stretches out is consistent with the distance of base, ensure that four roll mandrels are all located at this plane being perpendicular to flux-cored wire traffic direction, the problem of the die hole not conllinear being absent from existing multiple rows of roller die between each row, thus improve the tube reducing quality of flux-cored wire。
After passive roll stand frame is adjusted in place, roll stand frame holder angle 6 is fixed on base, and the afterbody of passive roll stand frame is clamped at every a pair roll stand frame holder angle, thus it is possible to prevent because passive roll stand frame length is bigger, relying solely on the alignment pin being positioned at dynamic roll stand frame root, to be not enough to that passive roll stand frame afterbody is completely secured more stable, so relying on roll stand frame holder angle to clamp the afterbody of passive roll stand frame, it is prevented that the afterbody of passive roll stand frame is shaken, thus affecting the roll crudy to flux-cored wire。
When flux-cored wire is processed, flux-cored wire is driven by drawing block and advances, in advance process, run into the die hole that the groove of four passive rolls formed and carry out tube reducing, and passive roll be run in flux-cored wire drive and rotate, the deformation direction of welding wire is jointly retrained from 4 directions, thus tube reducing efficiency when improve processing flux-cored wire。
Although the preferred embodiment of this patent being described above in conjunction with accompanying drawing, but this patent is not limited to above-mentioned detailed description of the invention, above-mentioned detailed description of the invention is merely schematic, it is not restrictive, those of ordinary skill in the art is under the enlightenment of this patent, without departing under this patent objective and scope of the claimed protection situation, a lot of form can also be made, such as: 1. embodiment 3 is top and bottom rolls be driving rollers, this a pair roller is connected with motor with gear-box by Hooks coupling universal coupling, reality can also using left and right roll as driving rollers, by being connected close to the Hooks coupling universal coupling of vertical direction with gear-box and motor；2., based on embodiment 4, driving gear shaft or driving gear are cancelled, makes roll mandrel directly be connected with Hooks coupling universal coupling, and be connected with gear-box, motor by Hooks coupling universal coupling；What 3. embodiment 3 illustrated is the situation directly processing gear part on driving gear shaft, it is also possible on driving gear shaft, key connects gear, realizes transmission by driving gear with engaging of driven gear；4. it is changed on the basis of embodiment 3, holding screw is not through tightening support portion, afterbody is against on base, but the threaded portion of holding screw is through in the screw of tightening support portion, the head of holding screw is against on base, realizes adjusting the position of driving rollers frame/passive roll stand frame by rotating holding screw；5. listed by this specification is all the situation of four rolls, simply increases to 6,8 rolls；6. modifying on the basis of embodiment 6, roll mandrel and passive roll key connect, and roll mandrel is arranged on driving rollers frame or passive roll stand frame by rolling bearing；7. modify on the basis of embodiment 6, each passive roll stand frame only has one block of side plate, roll mandrel one end is arranged on side plate in cantilever fashion, the other end of roll mandrel is provided with external screw thread, external screw thread is provided with nut, screwed on external screw thread by nut, by all member grip on roll mandrel；8. loading onto two rolling bearings on one block of side plate, by the two rolling bearing back up roll axle, roll mandrel is connected with driving rollers or passive roll key；9. the active roller die in embodiment 3～6 or passive roller die are applied in the flux-cored wire forming machine in embodiment 1 or 2；10. will reconfigure with the variants in last embodiment and this section, constitute the technical scheme directly not described in this specification out。These belong within the protection domain of this patent。
Claims (7)
1. an active roller die, including at least one pair of passive roll, the rotation axis of every pair of passive roll is parallel to each other, it is characterised in that:
Also include at least one pair of driving rollers, the rotation axis of every pair of driving rollers is parallel to each other, every pair of driving rollers have at least a driving rollers be connected with driving device by actuating device or be directly connected with driving device, the rotation axis of whole driving rollers and passive roll is in same plane, and this plane is vertical with flux-cored wire。
2. flux-cored wire forming machine according to claim 1, it is characterized in that: described driving rollers is arranged on driving rollers frame to circumferentially rotate, in the way of axial restraint, described passive roll is arranged on passive roll stand frame to circumferentially rotate, in the way of axial restraint
Driving rollers frame and passive roll stand frame are installed on the dish of location, location dish is provided with the positioning boss that quantity is consistent with driving rollers frame and passive roll stand frame sum, positioning boss is provided with positioning through hole, the centrage of whole described positioning through hole is in the same plane, driving rollers frame and passive roll stand frame realize the root of the root of driving rollers frame and the hinged of positioning boss and passive roll stand frame and the hinged of positioning boss by the mode that alignment pin is installed in positioning through hole, described location dish is fixedly installed on base
Described driving rollers frame is respectively provided with a tightening support portion being connected with base with passive roll stand frame, and the direction that described tightening supports is not by described alignment pin。
3. flux-cored wire forming machine according to claim 2, it is characterized in that: described driving rollers frame and described passive roll stand frame all have pair of parallel side plate, the described side plate of each driving rollers frame or each passive roll stand frame is connected by described tightening support portion, and described positioning boss is fitted with two parallel medial surface of each driving rollers frame or the pair of side plates of each passive roll stand frame。
4. flux-cored wire forming machine according to claim 2, it is characterized in that: described driving rollers is coaxially connected with driven gear in the way of the rotation of same angular velocity, driven gear engages with teeth portion or the driving gear of driving gear shaft, and driving gear shaft or driving gear by actuating device or are directly connected with driving device。
5. a passive roller die, including at least two pairs of passive rolls, the rotation axis of every pair of passive roll is parallel to each other, it is characterised in that:
All the rotation axis of passive roll is in same plane, and this plane is vertical with flux-cored wire。
6. flux-cored wire forming machine according to claim 5, it is characterised in that: described passive roll is arranged on passive roll stand frame to circumferentially rotate, in the way of axial restraint,
Passive roll stand frame is installed on the dish of location, location dish is provided with the positioning boss that quantity passive roll stand frame sum is consistent, positioning boss is provided with positioning through hole, the centrage of whole described positioning through hole is in the same plane, dynamic roll stand frame realizes the root of passive roll stand frame and the hinged of positioning boss by the mode that alignment pin is installed in positioning through hole, described location dish is fixedly installed on base
Described passive roll stand frame is respectively provided with a tightening support portion being connected with base, and the direction that described tightening supports is not by described alignment pin。
7. flux-cored wire forming machine according to claim 6, it is characterized in that: each described passive roll stand frame has pair of parallel side plate, the described side plate of each passive roll stand frame is connected by described tightening support portion, and described positioning boss is fitted with two parallel medial surface of the pair of side plates of each passive roll stand frame。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123624.1A CN105689422B (en) | 2013-10-17 | 2013-10-17 | Active roller die and passive roller die |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123624.1A CN105689422B (en) | 2013-10-17 | 2013-10-17 | Active roller die and passive roller die |
| CN201310487441.4A CN103537498B (en) | 2013-10-17 | 2013-10-17 | Flux-cored wire forming machine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310487441.4A Division CN103537498B (en) | 2013-10-17 | 2013-10-17 | Flux-cored wire forming machine |
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| CN105689422A true CN105689422A (en) | 2016-06-22 |
| CN105689422B CN105689422B (en) | 2017-08-11 |
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| CN201610123624.1A Active CN105689422B (en) | 2013-10-17 | 2013-10-17 | Active roller die and passive roller die |
| CN201310487441.4A Active CN103537498B (en) | 2013-10-17 | 2013-10-17 | Flux-cored wire forming machine |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310487441.4A Active CN103537498B (en) | 2013-10-17 | 2013-10-17 | Flux-cored wire forming machine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104722964B (en) * | 2015-03-23 | 2017-02-01 | 武汉铁锚焊接材料股份有限公司 | Manufacturing device for passive formed flux-cored wires |
| CN105945457B (en) * | 2016-06-23 | 2019-06-04 | 江苏九洲新材料科技有限公司 | Flux-cored wire forming machine group |
| CN107931349A (en) * | 2017-12-14 | 2018-04-20 | 上海龙阳精密复合铜管有限公司 | A kind of special-shaped plug die of new internal thread forming machine |
| CN110788151A (en) * | 2019-12-03 | 2020-02-14 | 无锡平盛科技有限公司 | Straight wire drawing equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103537498B (en) | 2016-04-13 |
| CN105689422B (en) | 2017-08-11 |
| CN103537498A (en) | 2014-01-29 |
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