CN103433285A - Core rod centering device for perforating machine - Google Patents
Core rod centering device for perforating machine Download PDFInfo
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- CN103433285A CN103433285A CN2013103420522A CN201310342052A CN103433285A CN 103433285 A CN103433285 A CN 103433285A CN 2013103420522 A CN2013103420522 A CN 2013103420522A CN 201310342052 A CN201310342052 A CN 201310342052A CN 103433285 A CN103433285 A CN 103433285A
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Abstract
The invention provides a core rod centering device for a perforating machine, and belongs to the technical field of steel pipe processing machinery. The core rod centering device for the perforating machine comprises a base plate, a rack driving mechanism, a gear driving strip, upper and lower gear shafts, a core rod active clamping and releasing mechanism and core rod upper and lower synchronous clamping mechanisms, wherein a pair of wall plates are fixed on the base plate, rack driving device installing fixing surfaces and cover plate fixing surfaces are respectively formed at the upper parts of the wall plates, the rack driving mechanism is fixed with the rack driving device installing fixing surfaces, the upward side of the gear driving strip forms upper gear engaging teeth, the downward side of the gear driving strip forms lower gear engaging teeth, the upper gear shaft is supported between the pair of wall plates, an upper gear is fixed on the upper gear shaft, the lower gear shaft is supported between the pair of wall plates, a lower gear is fixed on the lower gear shaft, the core rod active clamping and releasing mechanism is connected onto the gear driving strip, and the core rod upper and lower synchronous clamping mechanisms are respectively supported between the pair of wall plates. The operation intensity of workers is reduced, and the clamping and releasing effects are ideal. The core rod centering device has good adaptability to the core rod specification change, and the perforating quality of the core rod on steel round rod blanks is ensured.
Description
Technical field
The invention belongs to steel pipe processing equipment technical field, be specifically related to the plug centring means that a kind of punch is used.
Background technology
The function of punch is that the central authorities of the length direction of solid steel pole rod base are bored a hole by means of plug (the industry custom claims that plug is for the perforation rod), obtain hollow hollow billet after perforation, hollow hollow billet is put to subsequent technique and is rolled into for example steel pipe of required wall thickness of required specification.Technical information about punch can be seen in disclosed Chinese patent literature, as the CN2899987Y(seamless steel pipe conical punching machine), CN101652196B(punch and for example), etc.
As is known in the industry, in process at punch to the perforation of solid steel pole rod base, need plug (being aforesaid perforation rod) centering, affect the perforation quality to steel pole rod base to prevent the plug whipping, centering comprises clamping and discharging plug, because because the length of steel pole rod base is longer, the length direction of one side of therefore generally drawing at the hollow billet corresponding to punch arranges many or claim a plurality of plug centring means with the interval state, just by this first centring means, plug is discharged and develops into when the hollow billet by after the punch perforation marches to first plug centring means hollow billet is realized to the state of restraining, that said here refers to by the plug centring means and had both ensured that the hollow billet normal row went out punch hollow billet realization tube bank, do not show again hollow hollow billet and excessively vibration situation occurs, after whole tediously long steel pole rod base completes perforation, after arriving last plug centring means, all plug centring means all develop into the centering to hollow hollow billet.
As shown in the above description, in the process at plug to the perforation of steel pole rod base, guarantee that its requirement with the concentricity of the steel pole rod base center of circle of the excellent base of steel pole (all the time corresponding to) is very harsh.Again, theoretically, connectivity on the plug centring means that the plug centring means of pipe mill is used punch possesses skills, and can be seen in equally the technical information of the plug centring means of pipe mill in disclosed Chinese patent literature, the centring means as a CN101254510B(rolled steel tube to exemplify slightly), the core rod holding device of a CN101758074B(pipe mill) and the plug of the plug slew gear of CN102463257A(cold pilger mill automatically fold up device), etc.These patent schemes that are not limited to exemplify are owing to existing complex structure, to the logical fraud of the centering effect of plug shortcoming and bad adaptability that diameter of mandrel is changed, thereby the plug centering during for perforation does not have referential essential meaning.
Typically as application for a patent for invention publication No. CN102327897A, recommend that " a kind of tappet centering device for perforating machine " arranged, this patent application scheme can be felt relieved plug in perforation procedure, specifically can be referring to 0003 section to 0006 section, its specification.But there is following shortcoming in this patent application scheme: one, due to its clamping and discharging needs realization that coordinates with a hold-down roller by a pair of backing roll plug, and the lifting of a pair of backing roll need realize (can referring to the 0008th to 0010 section, specification) by the manual operation to handwheel by the online assignment personnel, so the operator is that workman's manipulation strength is large; Its two, owing to adopting manual operation, therefore the effect of clamping of plug is difficult to meet technological requirement because effect hand-manipulated both changed from the different of workman's individual difference and experience, be subject to again workman's sense of responsibility and even emotional change and affect; Its three, when the specification of the steel pole rod base of needs perforation changes as diameter, need so to change the plug of dimension, so the situation to plug specifications vary bad adaptability occurs; They are four years old, owing to plug being clamped under state, a pair of backing roll and corresponding to unavoidably occurring between the hold-down roller on a pair of backing roll top even micro-vast absent-mindedness situation occurred of not wishing, thereby cause the clamping of plug ineffective, the perforation quality of final impact to steel pole rod base.
In view of above-mentioned prior art, the applicant does lasting and useful exploration, has finally formed technical scheme described below.
Summary of the invention
Task of the present invention is to provide a kind of and contributes to automatically plug to be clamped or discharge and use the manipulation strength of abandoning manual operation and significantly alleviating the workman, be conducive to ensure the ideal clamping of plug and releasing effect are used to the impact of avoiding being subject to the manual operation factor, be of value to improving the adaptability of plug specifications vary is used and avoid affect result of use and having the effect of reliably holding under the arm of being convenient to embody to plug to use the plug centring means that the punch that ensures the quality of boring a hole is used because plug changes.
Task of the present invention completes like this, the plug centring means that a kind of punch is used, comprise a bedplate, on this bedplate, with the state faced each other, be fixed with a pair of wallboard, and each formation there is a rack drives device that stationary plane and cover plate stationary plane are installed on this top to wallboard; One rack drives mechanism, this rack drives mechanism and described rack drives device are installed stationary plane and are fixed, and corresponding between a pair of wallboard; One gear drive bar, this gear drive bar is between a pair of wallboard, and with described rack drives mechanism, be connected, this gear drive bar towards on a side form the engaging tooth that cogs, and the gear drive bar towards under a side form the lower gear engaging tooth arranged; One cog axle and lower tooth wheel shaft, the axle that cogs is bearing in rotationally between described a pair of wallboard above corresponding to described gear drive bar, and being fixed with one on this cogs axle cogs, cog and be meshed with the described engaging tooth that cogs, the lower tooth wheel shaft is bearing in rotationally between described a pair of wallboard below corresponding to described gear drive bar, and be fixed with a lower gear on this lower tooth wheel shaft, lower gear is meshed with described lower gear engaging tooth; One plug initiatively folds up mechanism, and this plug initiatively folds up mechanism and is connected on described gear drive bar; Synchronously fold up on one plug under mechanism and a plug and synchronously fold up mechanism, on plug, synchronously fold up mechanism corresponding to described plug, initiatively fold up mechanism above be bearing in rotationally between described a pair of wallboard, and be meshed with described cogging, under plug, synchronously fold up mechanism corresponding to plug, initiatively fold up mechanism below be bearing in rotationally between a pair of wallboard, and be meshed with described lower gear.
In a specific embodiment of the present invention, described rack drives mechanism comprises acting cylinder holder and acting cylinder, the acting cylinder holder is corresponding between described a pair of wallboard, and with described rack drives device, stationary plane being installed fixes, acting cylinder is fixed on the acting cylinder holder, the acting cylinder post of this acting cylinder is through the acting cylinder holder and be extended with a connecting screw rod, and described gear drive bar is connected with connecting screw rod.
In another specific embodiment of the present invention, described acting cylinder is oil cylinder or cylinder.
In another specific embodiment of the present invention, offer a connecting screw rod mate with threaded holes on described gear drive bar and towards an end of described connecting screw rod, connecting screw rod is threaded with this connecting screw rod mate with threaded holes.
In another specific embodiment of the present invention, described plug initiatively folds up mechanism and comprises and initiatively fold up roller frame and Centering Roll initiatively, and initiatively fold up the roller frame and be fixedly connected with described gear drive bar, the active Centering Roll is arranged on rotationally and initiatively folds up on the roller frame; Synchronously fold up mechanism on described plug and comprise fan-shaped braces axle, upper sector rack, upper fan-shaped braces and upper synchronous Centering Roll, upper fan-shaped braces axle is bearing between described a pair of wallboard rotationally, upper sector rack is fixed on fan-shaped braces axle, and be meshed with described cogging, upper fan-shaped braces is fixed on the sector rack axle, and upper synchronous Centering Roll is arranged on fan-shaped braces rotationally; Synchronously fold up mechanism under described plug and comprise lower fan-shaped braces axle, lower sector rack, lower fan-shaped braces and lower synchronous Centering Roll, lower fan-shaped braces axle is bearing between described a pair of wallboard rotationally, lower sector rack is fixed on lower fan-shaped braces axle, and be meshed with described lower gear, lower fan-shaped braces is fixed on lower fan-shaped braces axle, lower synchronous Centering Roll is arranged on lower fan-shaped braces rotationally, and wherein: described active Centering Roll, upper synchronous Centering Roll and lower synchronous Centering Roll form the position relationship of equilateral triangle each other; The position of described upper and lower gear corresponds to each other.
Also have a specific embodiment of the present invention, on described sector rack on the end face of the described end cogged, form have on the sector rack engaging tooth, on this, the sector gear engaging tooth is meshed with cogging; Form lower sector rack engaging tooth is arranged on the end face of an end of described lower gear at described lower sector rack, this time the sector rack engaging tooth is meshed with lower gear.
More of the present invention and, in specific embodiment, between described a pair of wallboard and in the position corresponding to described cover plate stationary plane, be fixed with a cover plate.
In of the present invention and then specific embodiment, the structure of described upper and lower gear is mutually the same, and be formed in the number of teeth of the tooth that cogs on cogging and tooth pitch be be formed in lower gear on the number of teeth and the tooth pitch of the lower tooth gear teeth be identical.
Of the present invention again more and, in specific embodiment, the number of teeth of described upper sector rack engaging tooth and tooth pitch are to equate with the number of teeth and the tooth pitch of lower sector rack engaging tooth.
Technical scheme provided by the invention is owing to by rack drives mechanism driven gear, driving bar, drive when plug initiatively folds up mechanism and drive upper and lower gear at the gear drive bar, and driven respectively on plug synchronously to fold up under mechanism and plug by upper and lower gear and synchronously fold up mechanism, thereby can be automatically to initiatively folding up mechanism at plug, the upper and lower plug synchronously folded up between the three of mechanism of plug is clamped, thereby without by manual operation, alleviating workman's manipulation strength; Because the action of clamping or discharging by gear driven mechanism to plug realizes, thereby not only there is the desirable effect that folds up, and can not be subject to any impact of human factor; Can meet the requirement that folds up to the plug of different size because plug initiatively folds up the upper and lower mechanism that synchronously folds up of mechanism, plug, and can ensure all the time the concentricity of plug, thereby there is the good adaptability to the plug specifications vary; Due to the reliable grip effect that can guarantee plug, thereby can ensure the perforation quality of plug to steel pole rod base.
The accompanying drawing explanation
Fig. 1 is the embodiments of the invention structure chart.
The cutaway view that Fig. 2 is Fig. 1.
Fig. 3 is application examples schematic diagram of the present invention.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but the description to embodiment is not all the restriction to the present invention program, any according to the present invention design, done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.
Please be referring to Fig. 1 and Fig. 2, the bedplate 1 that to have provided a material be metal, and this bedplate 1 is preferably cuboid.The current location status as shown in Figure 1 of take is example, the opposite side that is the left side of state shown in Fig. 1 and long side direction in a side of the long side direction of bedplate 1 is that the right side of state shown in Fig. 1 respectively is fixed with a wallboard 11, that is to say that wallboard 11 has a pair of, be fixed on each other left side and the right side of the length direction of bedplate 1 with aspectant state.As shown in Figure 1, left side and Ge Yi interval, right side state at the long side direction of bedplate 1 offer one group of wallboard fixing hole 12, and form in the bottom of wallboard 11, a wallboard holder 114 is arranged, in the position corresponding to wallboard fixing hole 12, that wallboard 11 is fixing with bedplate 1 with one group of wallboard holder hold-down screw 1141.
On the top of a pair of wallboard 11, each forms has a rack drives device that stationary plane 111 and a cover plate stationary plane 112 are installed, and this rack drives device is installed stationary plane 111 and cover plate stationary plane 112 and also can be called the rack drives device fixedly milling flat of milling flat and cover plate is installed fixedly.Owing between a pair of wallboard 11, maintaining spacing, and this spacing also can be regarded as the wallboard cavity, therefore for the wallboard cavity is implemented to cover, the applicant recommends to have a cover plate 113, and this cover plate 113 is fixing corresponding to the position that is preset in the stationary plane screw hole 1121 on cover plate stationary plane 112 and a pair of wallboard 11 by cover plate hold-down screw 1131.Again, in order to ensure the stability between a pair of wallboard 11, therefore showing one group of wall-panels supports screw rod 115(the present embodiment spaced apart has five), wherein one piece of wallboard in one end of each wall-panels supports screw rod 115 and a pair of wallboard 11 is fixed, and another piece of wallboard in the other end of each wall-panels supports screw rod 115 and a pair of wallboard 11 fixed, specifically wall-panels supports screw rod 115 is limited to nut 1151 through the rear employing studdle in the studdle hole 116 on wallboard 11 and limit.
Provided a rack drives mechanism 2, this rack drives mechanism 2 comprises an acting cylinder holder 21 and an acting cylinder 22, acting cylinder holder 21 is corresponding between a pair of wallboard 11, and adopt acting cylinder seat hold-down screw 211 at the position that stationary plane 111 is installed corresponding to aforesaid rack drives device and a pair of wallboard 11 fixing (at the rack drives device, install on stationary plane 111 and offer screw hole), acting cylinder 22 is fixed on acting cylinder holder 21, the acting cylinder post 221 of this acting cylinder 22 passes acting cylinder holder 21 and is extended with and forms a connecting screw rod 2211 is arranged.As shown in Figure 1, aforesaid rack drives device is installed stationary plane 111 and cover plate stationary plane 112 tilts, and the location status of Fig. 1 of take is example, and rack drives device installation stationary plane 111 recedes, and cover plate stationary plane 112 turns forward, form each other the relation that is similar to the ∧ font.
Preferably, aforesaid acting cylinder 22 adopts oil cylinders, yet, if use cylinder instead, should be considered as equivalent substitution so and still belong to technology contents category disclosed by the invention.
Provided a gear drive bar 3, this gear drive bar 3 is threaded with connecting screw rod 2211 towards an end of aforementioned connecting screw rod 2211, this gear drive bar 3 towards on a side form the engaging tooth 31 that cogs, and gear drive bar 3 towards under a side form lower gear engaging tooth 32 arranged, the tooth pitch of upper and lower gear engaging tooth 31,32 is mutually the same, more precisely, the adjacent spacing cogged between engaging tooth 31 be with adjacent lower gear engaging tooth 32 between spacing consistent.
As shown in Figure 2, offer a connecting screw rod mate with threaded holes 33 at aforesaid gear drive bar 3 towards the axial central authorities of an end of connecting screw rod 2211, along with connecting screw rod 2211 screws in this connecting screw rod mate with threaded holes 33, thereby gear drive bar 3 is realized and being connected of connecting screw rod 2211, and locked by the lock nut 22111 be provided on connecting screw rod 2211.
Please see Fig. 1 by emphasis, one cog axle 4 and gear shaft 5 once is shown, cog axle 4 in the position corresponding to above aforesaid gears driving bar 3 and be located on wallboard 11 by the bearing housing 42(that cogs) be bearing in rotationally between a pair of wallboard 11, be fixed with one and cog 41 on this cogs axle 4, this tooth 411 that cogs cogged on 41 is meshed with the aforesaid engaging tooth 31 that cogs.Lower tooth wheel shaft 5 is located on wallboard 11 in the position corresponding to below gear drive bar 3 and by lower gear bearing housing 52() be bearing in rotationally between a pair of wallboard 11, be fixed with a lower gear 51 on this lower tooth wheel shaft 5, the lower tooth gear teeth 511 on this lower gear 51 are meshed with aforesaid lower gear engaging tooth 32.
Preferably, the axle spacer 43 that cogs is set on the aforesaid axle 4 that cogs, and lower tooth wheel shaft spacer 53 is set on lower tooth wheel shaft 5, and upper and lower gear 41,51 corresponds to each other.The structure of upper and lower gear 41,51 is mutually the same, and be formed in the number of teeth of the tooth 411 that cogs on 41 that cogs and tooth pitch all be formed in lower gear 51 on the number of teeth and the tooth pitch of the lower tooth gear teeth 511 identical.
Provide a plug and initiatively folded up mechanism 6, this plug initiatively folds up mechanism 6 and comprises that one initiatively folds up initiatively Centering Roll 62 of roller frame 61 and, initiatively folding up roller frame 61 is fixedly connected with the end of aforesaid gear drive bar 3 away from connecting screw rod 2211, here the alleged concept be fixedly connected with refers to that initiatively folding up roller frame 61 is configured to integrative-structure with gear drive bar 3, and initiatively Centering Roll 62 is bearing in rotationally and initiatively folds up on roller frame 61 by the roll shaft 21 of initiatively feeling relieved.
Provided on a plug and synchronously folded up mechanism 7, synchronously fold up mechanism 7 on this plug and comprise fan-shaped braces axle 71, upper sector rack 72, upper fan-shaped braces 73 and upper synchronous Centering Roll 74, one end and the other end of upper fan-shaped braces axle 71 respectively are bearing between a pair of wallboard 11 rotationally by the upper fan-shaped braces bearing housing 711 be arranged on a pair of wallboard 11, upper sector rack 72 is welded on fan-shaped braces axle 71, and the upper sector rack engaging tooth 721 on should upper sector rack 72 is meshed with the aforesaid tooth 411 that cogs cogged on 41, upper fan-shaped braces 73 is fixed on upper fan-shaped braces axle 71 with welding manner equally, upper synchronous Centering Roll 74 supports and is arranged on shortly on upper fan-shaped braces 73 rotationally by upper synchronous centering roll shaft 741.
Provided under a plug and synchronously folded up mechanism 8, synchronously fold up mechanism 8 under this plug and comprise lower fan-shaped braces axle 81, lower sector rack 82, lower fan-shaped braces 83 and lower synchronous Centering Roll 84, one end and the other end of lower fan-shaped braces axle 81 respectively are bearing between a pair of wallboard 11 rotationally by the lower fan-shaped braces bearing housing 811 be arranged on a pair of wallboard 11, lower sector rack 82 is welded on lower fan-shaped braces axle 81, and the lower sector rack engaging tooth 821 on this time sector rack 82 is meshed with the lower tooth gear teeth 511 under aforesaid lower gear 51, lower fan-shaped braces 83 is fixed on lower fan-shaped braces axle 81 with welding manner equally, lower synchronous Centering Roll 84 supports and is arranged on shortly on lower fan-shaped braces 83 rotationally by lower synchronous centering roll shaft 841.
Be formed in the number of teeth of the upper sector rack engaging tooth 721 on aforesaid upper sector rack 72 and tooth pitch and be be formed in lower sector rack 82 on the number of teeth and the tooth pitch of lower sector rack engaging tooth 821 equate.
Preferably, be screwed a bearing block protecting cover 421 corresponding to the aforesaid position that cogs bearing housing 42, the bearing 422 cogged on bearing housing 42 by 421 pairs of this bearing block protecting covers covers and protects, for aforesaid lower gear bearing housing 52, upper fan-shaped braces bearing housing 711 and lower fan-shaped braces bearing housing 811 with example.
Refer to Fig. 3 and in conjunction with Fig. 1 and Fig. 2, the applicant describes operation principle of the present invention, figure 3 illustrates punch 9 and a mandrel trolley 10, be provided with quantity and be not limited to illustrate the plug centring means that quantity (quadruplet) punch of the present invention is used between punch 9 and mandrel trolley 10, and be equipped with a holder protection unit 20 between the plug centring means of using at adjacent punch.
Under punch 9 is in running order, in 30 pairs of steel pole rod bases 40 of plug are as shown in Figure 3 implemented the process of perforation, the plug centring means of being used by punch of the present invention is to plug 30 centering, specifically: by Fig. 1 and Fig. 2, shown, acting cylinder 22 work of rack drives mechanism 2, acting cylinder post 221 stretches outside the cylinder body of acting cylinder 22, connecting screw rod 2211 driven gears by acting cylinder post 221 drive bar 3 forwards to stretch or claim forwards displacement, due to upper, lower gear 41, 51 respectively with upper, lower gear engaging tooth 31, 32 are meshed, therefore when forwards displacement of gear drive bar 3, cog 41 to clockwise motion by its drive, drive lower gear 51 to counterclockwise motion simultaneously, again because the upper sector rack engaging tooth 721 on the upper sector rack 72 that synchronously folds up mechanism 7 on plug is meshed with the tooth 411 that cogs, and the lower sector rack mesh plate 821 that synchronously folds up the lower sector rack 82 of mechanism 8 under plug is meshed with the lower tooth gear teeth 511, thereby by sector rack 72 in 41 drives that cog to the counter clockwise direction displacement, drive lower sector rack 82 to the clockwise direction displacement by lower gear 51.Along with upper sector rack 72 to the clockwise direction displacement, make synchronous Centering Roll 74 initiatively fold up the direction motion of the active Centering Roll 62 of mechanism 6 towards plug, simultaneously with lower sector rack 82 to the counter clockwise direction displacement, make the direction motion of lower synchronous Centering Roll 84 towards active Centering Roll 62, that is to say, initiatively Centering Roll 62, upper and lower synchronous Centering Roll 74,84 threes draw in opposite directions and plug 30 are clamped, otherwise with example.Hence one can see that, and initiatively the effect of the bearing that plug 30 is limited has been played in fact in Centering Roll 62, upper and lower synchronous Centering Roll 74,84 threes' cooperation, and plug 30 can only move under centering under their control.Again, known as shown in Figure 3, for example, when the steel pole rod base 40 that has completed perforation develops into hollow billet and arrive at the position of the plug centring means that corresponding punch of the present invention uses (two of the left side of Fig. 3 location status centring means), so just hollow billet (complete perforation after pipe) is implemented to centering.And, known as shown in Figure 2, aforesaid active Centering Roll 62, upper synchronous Centering Roll 74 and lower synchronous Centering Roll 84 threes' position forms the position relationship of equilateral triangle, and initiatively the matching relationship between Centering Roll 62, upper and lower synchronous Centering Roll 74,84 threes just as the matching relationship of gathering with scolding out of three fingers of people.
In sum, technical scheme provided by the invention has overcome the shortcoming in the prior art, has successfully completed the invention task, has embodied objectively the technique effect referred in the superincumbent technique effect of applicant hurdle.
Claims (9)
1.
the plug centring means that a kind of punch is used, it is characterized in that comprising a bedplate (1), above with the state faced each other, be fixed with a pair of wallboard (11) at this bedplate (1), and each formation there is a rack drives device that stationary plane (111) and cover plate stationary plane (112) are installed on this top to wallboard (11); One rack drives mechanism (2), this rack drives mechanism (2) installs stationary plane (111) with described rack drives device and fixes, and corresponding between a pair of wallboard (11); One gear drive bar (3), this gear drive bar (3) is positioned between a pair of wallboard (11), and be connected with described rack drives mechanism (2), form towards a upper side engaging tooth (31) that cogs at this gear drive bar (3), and gear drive bar (3) towards under a side form lower gear engaging tooth (32) arranged; one cog axle (4) and lower tooth wheel shaft (5), the axle (4) that cogs is bearing between described a pair of wallboard (11) rotationally in the top corresponding to described gear drive bar (3), and be fixed with one cog (41) on this axle that cogs (4), cog (41) with the described engaging tooth that cogs (31), be meshed, lower tooth wheel shaft (5) is bearing between described a pair of wallboard (11) rotationally in the below corresponding to described gear drive bar (3), and be fixed with a lower gear (51) on this lower tooth wheel shaft (5), lower gear (51) is meshed with described lower gear engaging tooth (32), one plug initiatively folds up mechanism (6), and this plug initiatively folds up mechanism (6) and is connected on described gear drive bar (3), synchronously fold up on one plug under mechanism (7) and a plug and synchronously fold up mechanism (8), synchronously folding up mechanism (7) on plug is bearing between described a pair of wallboard (11) rotationally in the top that initiatively folds up mechanism (6) corresponding to described plug, and be meshed with described cogging (41), synchronously fold up mechanism (8) under plug and be bearing in rotationally between a pair of wallboard (11) in the below that initiatively folds up mechanism (7) corresponding to plug, and be meshed with described lower gear (51).
2.
the plug centring means that punch according to claim 1 is used, it is characterized in that described rack drives mechanism (2) comprises acting cylinder holder (21) and acting cylinder (22), acting cylinder holder (21) is corresponding between described a pair of wallboard (11), and with described rack drives device, stationary plane (111) being installed fixes, acting cylinder (22) is fixed on acting cylinder holder (21), the acting cylinder post (221) of this acting cylinder (22) is through acting cylinder holder (21) and be extended with a connecting screw rod (2211), described gear drive bar (3) is connected with connecting screw rod (2211).
3.
the plug centring means that punch according to claim 2 is used, is characterized in that described acting cylinder (22) is oil cylinder or cylinder.
4.
the plug centring means that punch according to claim 2 is used, it is characterized in that upper at described gear drive bar (3) and offer a connecting screw rod mate with threaded holes (33) towards an end of described connecting screw rod (2211), connecting screw rod (2211) is threaded with this connecting screw rod mate with threaded holes (33).
5.
the plug centring means that punch according to claim 1 is used, it is characterized in that described plug initiatively folds up mechanism (6) and comprises and initiatively fold up roller frame (61) and Centering Roll (62) initiatively, initiatively fold up roller frame (61) and be fixedly connected with described gear drive bar (3), initiatively Centering Roll (62) is arranged on rotationally and initiatively folds up on roller frame (61), synchronously fold up mechanism (7) on described plug and comprise fan-shaped braces axle (71), upper sector rack (72), upper fan-shaped braces (73) and upper synchronous Centering Roll (74), upper fan-shaped braces axle (71) is bearing between described a pair of wallboard (11) rotationally, upper sector rack (72) is fixed on fan-shaped braces axle (71), and be meshed with described cogging (41), it is upper that upper fan-shaped braces (73) is fixed on sector rack axle (71), and upper synchronous Centering Roll (74) is arranged on fan-shaped braces (73) rotationally, synchronously fold up mechanism (8) under described plug and comprise lower fan-shaped braces axle (81), lower sector rack (82), lower fan-shaped braces (83) and lower synchronous Centering Roll (84), lower fan-shaped braces axle (81) is bearing between described a pair of wallboard (11) rotationally, lower sector rack (82) is fixed on lower fan-shaped braces axle (81), and be meshed with described lower gear (51), lower fan-shaped braces (83) is fixed on lower fan-shaped braces axle (71), lower synchronous Centering Roll (84) is arranged on lower fan-shaped braces (83) rotationally, wherein: described active Centering Roll (62), upper synchronous Centering Roll (74) and lower synchronous Centering Roll (84) form the position relationship of equilateral triangle each other, the position of described upper and lower gear (41,51) corresponds to each other.
6.
the plug centring means that punch according to claim 5 is used, it is characterized in that sector rack (72) forms upper sector rack engaging tooth (721) is arranged on the end face of an end of described cogging (41) on described, on this, sector gear engaging tooth (721) is meshed with cog (41); Form lower sector rack engaging tooth (821) is arranged on the end face of an end of described lower gear (51) at described lower sector rack (82), this time sector rack engaging tooth (821) is meshed with lower gear (51).
7.
the plug centring means that punch according to claim 1 is used, is characterized in that being fixed with a cover plate (113) between described a pair of wallboard (11) and in the position corresponding to described cover plate stationary plane (112).
8.
the plug centring means of using according to claim 1 or 5 or 6 described punches, the structure that it is characterized in that described upper and lower gear (41,51) is mutually the same, and be formed in the number of teeth of the tooth that cogs (411) on cog (41) and tooth pitch be be formed in lower gear (51) on the number of teeth and the tooth pitch of the lower tooth gear teeth (511) be identical.
9.
the plug centring means that punch according to claim 6 is used, is characterized in that the number of teeth of described upper sector rack engaging tooth (721) and tooth pitch are to equate with the number of teeth and the tooth pitch of lower sector rack engaging tooth (821).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310342052.2A CN103433285B (en) | 2013-08-07 | 2013-08-07 | Core rod centering device for perforating machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310342052.2A CN103433285B (en) | 2013-08-07 | 2013-08-07 | Core rod centering device for perforating machine |
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| CN103433285A true CN103433285A (en) | 2013-12-11 |
| CN103433285B CN103433285B (en) | 2015-04-15 |
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| CN104107834B (en) * | 2014-07-23 | 2016-04-06 | 常熟市梅李机械制造有限公司 | The plug centring means of punch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2031750C1 (en) * | 1992-07-21 | 1995-03-27 | Акционерное общество "Электростальский завод тяжелого машиностроения" | Centering device to tube mill |
| RU2040350C1 (en) * | 1993-07-12 | 1995-07-25 | Акционерное общество "Электростальский завод тяжелого машиностроения" | Three-roller centering apparatus of tube rolling milll |
| CN101254510A (en) * | 2008-04-12 | 2008-09-03 | 太原市通泽成套设备有限公司 | Centering device of roller milling steel tube |
| CN101518782A (en) * | 2009-03-24 | 2009-09-02 | 烟台鲁宝钢管有限责任公司 | Centering roller with compact structure |
| CN201380186Y (en) * | 2008-12-24 | 2010-01-13 | 洛阳矿山机械工程设计研究院有限责任公司 | Centering roller device |
| CN203417915U (en) * | 2013-08-07 | 2014-02-05 | 常熟市梅李机械制造有限公司 | Core rod centering device for puncher |
-
2013
- 2013-08-07 CN CN201310342052.2A patent/CN103433285B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2031750C1 (en) * | 1992-07-21 | 1995-03-27 | Акционерное общество "Электростальский завод тяжелого машиностроения" | Centering device to tube mill |
| RU2040350C1 (en) * | 1993-07-12 | 1995-07-25 | Акционерное общество "Электростальский завод тяжелого машиностроения" | Three-roller centering apparatus of tube rolling milll |
| CN101254510A (en) * | 2008-04-12 | 2008-09-03 | 太原市通泽成套设备有限公司 | Centering device of roller milling steel tube |
| CN201380186Y (en) * | 2008-12-24 | 2010-01-13 | 洛阳矿山机械工程设计研究院有限责任公司 | Centering roller device |
| CN101518782A (en) * | 2009-03-24 | 2009-09-02 | 烟台鲁宝钢管有限责任公司 | Centering roller with compact structure |
| CN203417915U (en) * | 2013-08-07 | 2014-02-05 | 常熟市梅李机械制造有限公司 | Core rod centering device for puncher |
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| Publication number | Publication date |
|---|---|
| CN103433285B (en) | 2015-04-15 |
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