CN207170623U - A kind of tubing punching swell-shrink interior axis mechanism of close flute profile - Google Patents

A kind of tubing punching swell-shrink interior axis mechanism of close flute profile Download PDF

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Publication number
CN207170623U
CN207170623U CN201721032397.8U CN201721032397U CN207170623U CN 207170623 U CN207170623 U CN 207170623U CN 201721032397 U CN201721032397 U CN 201721032397U CN 207170623 U CN207170623 U CN 207170623U
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China
Prior art keywords
axle
mould
interior
floating seat
fixed
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CN201721032397.8U
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Chinese (zh)
Inventor
倪正中
方勇
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TAIZHOU ZHONGRUI ELECTRONICS CO Ltd
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TAIZHOU ZHONGRUI ELECTRONICS CO Ltd
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Abstract

The utility model discloses a kind of tubing punching swell-shrink interior axis mechanism of close flute profile,Including upper mould,The punching pin that upper mould is provided with,The deep-slotted chip breaker that lower mould and lower mould are provided with,Lower mould is fixed with outer guiding post,Outer guiding post is arranged with the floating seat and outer bush of interconnection successively,Outer guiding post free end is connected with outer connecting plate,Floating seat spring is provided between floating seat and lower mould,Floating seat is provided with crescent,Interior axis mechanism is provided with crescent,Crescent is fixed with inner guiding post,Inner guiding post, which is arranged with, is fixed on the interior guide pin bushing that axle connects,Inner guiding post is connected with interior connecting plate,Drop axle spring is provided between interior guide pin bushing and interior connecting plate,Lower axle is provided with cam path in connecing,Upper mould is fixed with the drive rod coordinated with cam path,Drive rod is provided with rake,Deep-slotted chip breaker is provided with cotter way,Cotter way, which has been sequentially connected with floating pin spring and floated, to be sold,Upper mould is fixed with pre- wedge,Pre- wedge is provided with depression bar,Interior axle action is automatically performed,Labor-saving high-efficiency;Interior axle is freely assembled, and difficulty of processing cost is low;Pick and place conveniently.

Description

A kind of tubing punching swell-shrink interior axis mechanism of close flute profile
Technical field
The utility model belongs to tubing reprocessing apparatus field, and in particular to a kind of tubing punching is swell-shrink interior with close flute profile Axis mechanism.
Background technology
Existing technical scheme is the upper semiaxis of interior axle point and lower semiaxis, and the faying face of upper and lower semiaxis is a whole inclined-plane, pipe , it is necessary to which a special people is fully drawn out lower semiaxis out of finished tubes after the completion of material punching, finished product could be extracted out by another people Pipe, human cost is high, and labor intensity is big;Extracting interior axle out needs extra holding time, it is also necessary to separately resets, interior axle abrasive wear It hurry up, and easily scratch tubing, reduce production efficiency, final product quality is unstable.
Utility model content
The purpose of this utility model is the provision of a kind of tubing punching swell-shrink interior axis mechanism of close flute profile, interior axle motion Action is synchronously automatically performed during mold work, can be saved a people for taking out interior axle, be saved human cost, improve life Produce efficiency;Interior axle is not easy wear-out life length, and final product quality is stable;Interior shaft length can be segmented freely according to the tube length processed Splicing, the difficulty of processing and processing cost of interior axle are substantially reduced, it is high to the adaptability of product length;Interior axis mechanism integrally can be upper and lower Float, it is convenient to pick and place pipe.
For the above-mentioned purpose, major technique solution of the present utility model be to provide a kind of punching of tubing can with close flute profile Collapse interior axis mechanism, including the deep-slotted chip breaker that upper mould, upper the mould punching pin, lower mould and the lower mould that are provided with are provided with, outer lead is fixed with lower mould Post, outer guiding post are arranged with floating seat and outer bush moving up and down successively from down to up, and outer bush is connected solid with floating seat Fixed, outer guiding post free end is connected with outer connecting plate, and the floating seat spring being set on outer guiding post is provided between floating seat bottom and lower mould, Floating seat is provided with and abutted with deep-slotted chip breaker and the crescent of coaxial line, is provided with and can axially be moved left and right down along crescent in crescent Axle connects, and lower axle connects top and connect provided with upper axle, and lower axle has been sequentially connected with lower axle and lower spindle nose close to one end of deep-slotted chip breaker, and upper axle approaches One end of deep-slotted chip breaker has been sequentially connected with axle and upper spindle nose, and floating seat, which is provided with sequentially to connect to connect with lower axle through upper axle, is fixed on crescent moon The inner guiding post of trench bottom, it is arranged with inner guiding post and is fixed on axle and connects top and the interior guide pin bushing that can be moved up and down along inner guiding post, it is interior Guide pillar free end is connected with interior connecting plate, and the drop axle spring being set on inner guiding post is provided between interior guide pin bushing and interior connecting plate, and lower axle connects Interior to be provided with cam path, interior connecting plate, upper axle connect, floating seat and lower mould correspond to cam path and be equipped with a through hole, four through holes and cam Groove is collectively forming a bar passage, is arranged with the drive rod that upper end is fixed on mould in bar passage, and drive rod is provided with one section can be with Cam path coordinates and then drives lower axle to connect the rake moved left and right, at the top of lower axle and upper axle bottom be equipped with by multiple teeth it is prominent and The teeth groove mechanism that multiple grooves interval settings are formed, deep-slotted chip breaker are provided with cotter way, and cotter way bottom has been sequentially connected with floating pin spring and floated Dynamic pin, upper mould are fixed with pre- wedge, and pre- wedge inner sleeve is provided with depression bar moving up and down, installed between pre- wedge and depression bar top There is wedge spring.
The cotter way is made up of the plug screw of pin-and-hole and pin-and-hole bottom, and the pin top of floating connects high oblique in side for nearly lower axle Face, pin upper support of being floated under floating pin spring force effect are stayed axle, when upward axis and lower outer shaft sleeve have workpiece pipe, are floated Withstand workpiece pipe in dynamic pin top.
When the upper modular belt moves drive rod oscilaltion, the rake of drive rod coordinates with cam cell wall promotes lower axle to connect a left side Move right, moved left and right so that connecing rigidly connected lower axle in the deep-slotted chip breaker of lower mould with lower axle.
Be provided between the outer bush and outer connecting plate and be set in buffering ring on outer guiding post, mitigate outer bush and outer connecting plate it Between collision impact, increase the life-span.
Four outer guiding posts are fixed with the lower mould, floating seat is set on four outer guiding posts simultaneously, is led outside described four Two free ends of the free end homonymy of post are one group and are connected on two outer connecting plates that the pre- wedge inner sleeve is provided with two Depression bar moving up and down, described two outer connecting plates are equipped with one and are used for the breach that depression bar passes through, and floating seat front and rear sides are equal Preceding cover fillet on lower mould is fixed on provided with one, a side cover bar being fixed on lower mould is equipped with left and right sides of floating seat, when upper mould Depression bar oscilaltion is driven during oscilaltion, and promotes or unclamps floating seat, while floating seat floats under the promotion of floating seat spring Dynamic seat can fluctuate together with outer bush and the parts being installed on floating seat along outer guiding post.
The pillar for reinforcing is connected between the interior connecting plate and floating seat.
The spring base being set on inner guiding post, the spring for being subject to interior guide pin bushing are provided between the interior guide pin bushing and drop axle spring Power is evenly stablized.
The lower axle connects the pipe length that can be processed as needed between lower spindle nose and connects multiple lower axles, and the upper axle connects The pipe length that can be processed as needed between upper spindle nose connects multiple upper axles, and upper axle top end face is uniformly provided with several semicircles The support chip of shape.
The upper axle and upper axle connect between, between upper axle and upper spindle nose, lower axle and lower axle connect between, lower axle and lower spindle nose it Between fixed by screw and straight pin, interior axis mechanism connects including lower axle to be connected the upper axle being provided with lower axle and connects, and lower axle connects sequentially Lower axle and lower spindle nose are connected with, upper axle, which connects, has been sequentially connected with axle and upper spindle nose.
Implement action process:Turned left outside upper spindle nose and lower spindle nose from the right side and penetrate pipe, pipe left end surface side, which promotes, floats Inclined-plane is sold, and then compresses floating pin spring, the pin that floats is supported below pipe above, is made under pipe inner surface bottom fitting lower axle Surface, after pipe shifts position onto to the left, upper mould is descending, and depression bar pushes down floating seat through breach, and seat spring is floated in the descending compression of floating seat, Depression bar promotes the wedge spring-compressed on top, stops under the contact of floating seat bottom during mould;Now upper mould continues traveling downwardly, and depression bar continues The wedge spring-compressed on top is promoted, the left side contact of incline plane lower axle of drive rod rake connects the left side inclined-plane of cam path, promotes Lower axle connects to be moved to the left with rigidly connected lower axle, and the tooth in the teeth groove mechanism on lower axle top is prominent to be coordinated from original with upper axle groove It is changed into dashing forward with the tooth of upper axle and coordinates, and then upper axle moves up, until upper axle outer surface stretching pipe inner surface;Now upper mould after It is continuous descending, the punching pin punching pin on mould is installed on into the space between two neighboring support chip, is started blanking of circular pipe, is made pipe On be cut out groove;Then upper mould starts up, and punching pin is deviate from upper mould out of pipe;Upper mould continues up, drive rod rake Right side contact of incline plane lower axle connect the right side inclined-plane of cam path, promote lower axle to connect and moved right with rigidly connected lower axle, dropped Under the effect of axle spring force, upper axle connects and upper axle moves down together with interior guide pin bushing along inner guiding post, in the teeth groove mechanism of upper axle bottom Tooth it is prominent be changed into coordinating with the groove of lower axle from dashing forward to coordinate with the tooth of lower axle just now, make axle surface and pipe inner surface into release State;Upper mould continuation is up, departs from below depression bar above floating seat, and the wedge spring on depression bar top reverts to original state, Under floating seat spring force effect, floating seat floats to stopping when being bonded outer connecting plate above buffering ring, when floating seat floats up, company Connect with lower axle, lower axle and upper axle float, and pipe lower surface is departed from the deep-slotted chip breaker inwall of lower mould, upper mould continues up until upper mould Stop during top dead centre, then, manually extract pipe finished product out to the right, the pin that floats rises under the elastic force of floating pin spring supports lower axle Below, a working cycles are so far completed.
The beneficial effects of the utility model are:Interior axle athletic performance is synchronously automatically performed during mold work, can be saved A people for taking out interior axle is saved, human cost is saved, improves production efficiency;Interior axle is not easy wear-out life length, and final product quality is steady It is fixed;Interior shaft length can be segmented free splicing according to the tube length processed, and substantially reduce the difficulty of processing of interior axle and be processed into This, it is high to the adaptability of product length;Interior axis mechanism can integrally fluctuate, and it is convenient to pick and place pipe.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the utility model one,
Fig. 2 is the sectional view of Fig. 1 embodiments,
Fig. 3 is the sectional view of the C-C in Fig. 2,
Fig. 4 is the sectional view of the D-D in Fig. 2,
In figure:Lower mould 1, upper mould 2, floating seat spring 3, outer guiding post 4, outer connecting plate 5, screw 6, plug screw 7, floating seat 8, outer bush 9th, buffering ring 10, pillar 11, inner guiding post 12, interior connecting plate 13, cotter way 14, floating pin 15, floating pin spring 16, rake 17, pipe 18th, punching pin 19, drive rod 20, pre- wedge 21, depression bar 22, wedge spring 23, lower axle 24, lower axle connect 25, lower spindle nose 26, upper axle 27th, it is prominent 35, recessed to connect 28, interior guide pin bushing 29, spring base 30, drop axle spring 31, upper spindle nose 32, preceding cover fillet 33, side cover bar 34, tooth for upper axle Groove 36, breach 37, deep-slotted chip breaker 38, crescent 39, through hole 40, support chip 41, cam path 42.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.Based on the embodiment in the utility model, every other embodiment that those of ordinary skill in the art are obtained all belongs to In the scope of the utility model protection.
As Figure 1-Figure 4, a kind of tubing punching swell-shrink interior axis mechanism of close flute profile described by the present embodiment, including The deep-slotted chip breaker 38 that punching pin 19, lower mould 1 and the lower mould 1 that upper mould 2, upper mould 2 are provided with are provided with, outer guiding post 4 is fixed with lower mould 1, is led outside Post 4 is arranged with floating seat 8 and outer bush 9, outer bush 9 moving up and down and is connected with floating seat 8 successively from down to up, The free end of outer guiding post 4 is connected with outer connecting plate 5, and the floating seat bullet being set on outer guiding post 4 is provided between the bottom of floating seat 8 and lower mould 1 Spring 3, floating seat 8 are provided with and abutted with deep-slotted chip breaker 38 and the crescent of coaxial line 39, and being provided with crescent 39 can be along the axle of crescent 39 The lower axle moved left and right connects 25, and lower axle connects 25 tops and connects 28 provided with upper axle, and one end that lower axle connects 25 nearly deep-slotted chip breakers 38 sequentially connects Two lower axles 24 and once spindle nose 26 are connected to, one end that upper axle connects 28 nearly deep-slotted chip breakers 38 has been sequentially connected with two upper axles 27 and one Spindle nose 32, floating seat 8 be provided with sequentially through upper axle connect 28 and lower axle connect 25 inner guiding posts 12 for being fixed on the bottom of crescent 39, inside lead It is arranged with post 12 and is fixed on axle and connects 28 tops and the interior guide pin bushing 29 that can be moved up and down along inner guiding post 12, the free end of inner guiding post 12 Interior connecting plate 13 is connected with, the drop axle spring 31 being set on inner guiding post 12 is provided between interior guide pin bushing 29 and interior connecting plate 13, lower axle connects Cam path 42 is provided with 25, interior connecting plate 13, upper axle connect 28, floating seat 8 and the corresponding cam path 42 of lower mould 1 is equipped with a through hole 40, Four through holes 40 and cam path 42 are collectively forming a bar passage, and the drive rod 20 that upper end is fixed on mould 2 is arranged with bar passage, Drive rod 20 is provided with one section can coordinate and then drive lower axle to connect 25 rakes 17 moved left and right with cam path 42, and lower axle 24 is pushed up Portion and the bottom of upper axle 27 are equipped with is arranged at intervals the teeth groove mechanism formed by multiple teeth prominent 35 and multiple grooves 36, and deep-slotted chip breaker 38 is set There is cotter way 14, the bottom of cotter way 14 has been sequentially connected with floating pin spring 16 and floating pin 15, upper mould 2 and has been fixed with pre- wedge 21, pre- wedge Depression bar 22 moving up and down is arranged with 21, wedge spring 23 is installed between the pre- top of wedge 21 and depression bar 22.
The cotter way 14 is made up of pin-and-hole and the plug screw of pin-and-hole bottom 7, and the top of floating pin 15 connects 25 1 for nearly lower axle The high inclined-plane in side, the upper support of floating pin 15 is stayed axle 24 under floating pin spring 16 elastic force effect, when upward axis 27 and lower axle 24 When being cased with workpiece pipe 18 outside, workpiece pipe 18 is withstood on the top of floating pin 15.
When the upper mould 2 drives 20 oscilaltion of drive rod, the rake 17 of drive rod 20 coordinates with the wall of cam path 42 to be pushed away Dynamic lower axle connects 25 and moved left and right, and is moved so that connecing 25 rigidly connected lower axles 24 left and right in the deep-slotted chip breaker 38 of lower mould 1 with lower axle It is dynamic.
It is provided between the outer bush 9 and outer connecting plate 5 and is set in buffering ring 10 on outer guiding post 4, mitigates outer bush 9 and outer Collision impact between connecting plate 5, increase the life-span.
Four outer guiding posts 4 are fixed with the lower mould 1, floating seat 8 is set on four outer guiding posts 4 simultaneously, described four Two free ends of the free end homonymy of outer guiding post 4 are connected on two outer connecting plates 5 for one group, the pre- inner sleeve of wedge 21 Provided with two depression bars 22 moving up and down, described two outer connecting plates 5 are equipped with one and are used for the breach 37 that depression bar 22 passes through, and float The dynamic front and rear sides of seat 8 are equipped with a preceding cover fillet 33 being fixed on lower mould 1, and the left and right sides of floating seat 8 is equipped with one and is fixed on down Side cover bar 34 on mould 1, the oscilaltion of depression bar 22 is driven when upper 2 oscilaltion of mould, and promote or unclamp floating seat 8, simultaneously For floating seat 8 under the promotion of floating seat spring 3, floating seat 8 can edge together with outer bush 9 and the parts being installed on floating seat 8 Outer guiding post 4 fluctuates.
The pillar 11 for reinforcing is connected between the interior connecting plate 13 and floating seat 8.
The spring base 30 being set on inner guiding post 12 is provided between the interior guide pin bushing 29 and drop axle spring 31, makes interior guide pin bushing 29 The spring force being subject to evenly is stablized.
The lower axle connects the pipe length that can be processed as needed between 25 and lower spindle nose 26 and connects multiple lower axles 24, described Upper axle connects the pipe length that can be processed as needed between 28 and upper spindle nose 32 and connects multiple upper axles 27, and the upper top end face of axle 27 is uniform Provided with several semicircular support chips 41.
The upper axle 27 and upper axle connect 28 between, between upper axle 27 and upper spindle nose 32, lower axle 24 and lower axle connect 25 between, under Fixed between axle 24 and lower spindle nose 26 by screw 6 and straight pin.
Implement action process:Pipe 18 is penetrated in outer turned left from the right side of upper spindle nose 32 and lower spindle nose 26, the left end surface side of pipe 18 The inclined-plane of floating pin 15 is promoted, and then compresses floating pin spring 16, floating pin 15 is supported below pipe 18 above, makes table in pipe 18 Face bottom is bonded the lower surface of lower axle 24, and after pipe 18 shifts position onto to the left, upper mould 2 is descending, and depression bar 22 is pushed down floating through breach 37 Dynamic seat 8, the floating seat spring 3 of the descending compression of floating seat 8, depression bar 22 promote the wedge spring 23 on top to compress, the contact of the bottom of floating seat 8 Stop during lower mould 1;Now upper mould 2 continues traveling downwardly, and the wedge spring 23 that depression bar 22 continues to press on top compresses, and drive rod 20 tilts The left side contact of incline plane lower axle in portion 17 connects the left side inclined-plane of 25 cam paths 42, promote lower axle connect 25 and rigidly connected lower axle 24 to Move left, the tooth in the teeth groove mechanism on the top of lower axle 24 prominent 35 coordinates the tooth being changed into upper axle 27 from original with the upper groove 36 of axle 27 Prominent 35 coordinate, and then upper axle 27 moves up, until the upper inner surface of 27 outer surface stretching pipe of axle 18;Under now upper mould 2 continues OK, the space that the punching pin 19 of punching pin 19 on mould 2 enters between two neighboring support chip 41 is installed on, starts blanking of circular pipe 18, Make to be cut out groove on pipe 18;Then upper mould 2 starts up, and punching pin 19 is deviate from upper mould 2 out of pipe 18;On upper mould 2 continues OK, the right side contact of incline plane lower axle of the rake 17 of drive rod 20 connects the right side inclined-plane of 25 cam paths 42, promotes lower axle to connect 25 and just Property connection lower axle 24 move right, drop the elastic force of axle spring 31 effect under, upper axle connect 28 and upper axle 27 together with the interior edge of guide pin bushing 29 Inner guiding post 12 moves down, and the tooth in the teeth groove mechanism of the upper bottom of axle 27 prominent 35 is changed into from 35 cooperations of being dashed forward just now with the tooth of lower axle 24 Coordinate with the groove 36 of lower axle 24, make the surface of axle 27 and the inner surface of pipe 18 into releasing orientation;Upper mould 2 continues up, depression bar 22 depart from above floating seat 8 below, and the wedge spring 23 on the top of depression bar 22 reverts to original state, make in the floating elastic force of seat spring 3 Under, floating seat 8 floats to stopping when outer connecting plate 5 is bonded above buffering ring 10, when floating seat 8 floats up, is connect together with lower axle 25th, lower axle 24 and upper axle 27 float, and the lower surface of pipe 18 is departed from the inwall of deep-slotted chip breaker 38 of lower mould 1, upper mould 2 continue it is up until Stop during upper 2 top dead centre of mould, then, manually extract the finished product of pipe 18 out to the right, floating pin 15 rises under the elastic force of floating pin spring 16 Rise and support below lower axle 24, so far complete a working cycles.
The utility model interior axle athletic performance is synchronously automatically performed during mold work, can be saved one and be smoked interior axle People, human cost is saved, improve production efficiency;Interior axle is not easy wear-out life length, and final product quality is stable;Interior shaft length can root Free splicing is segmented according to the tube length processed, the difficulty of processing and processing cost of interior axle are substantially reduced, to product length Adaptability is high;Interior axis mechanism can integrally fluctuate, and it is convenient to pick and place pipe.
The utility model is not limited to above-mentioned preferred forms, and anyone can draw under enlightenment of the present utility model Other various forms of products, however, make any change in its shape or structure, it is every that there is same as the present application or phase Approximate technical scheme, all falls within the scope of protection of the utility model.

Claims (8)

1. a kind of tubing punching swell-shrink interior axis mechanism of close flute profile, including upper mould (2), upper mould (2) be provided with punching pin (19), under The deep-slotted chip breaker (38) that mould (1) and lower mould (1) are provided with, it is characterised in that outer guiding post (4), outer guiding post (4) are fixed with lower mould (1) It is arranged with floating seat (8) moving up and down successively from down to up and outer bush (9), outer bush (9) is connected with floating seat (8) Fixed, outer guiding post (4) free end is connected with outer connecting plate (5), is provided between floating seat (8) bottom and lower mould (1) and is set in outer lead Floating seat spring (3) on post (4), floating seat (8) are provided with and abutted with deep-slotted chip breaker (38) and the crescent of coaxial line (39), crescent (39) lower axle that being provided with can axially move left and right along crescent (39) connects (25), and lower axle connects and connect at the top of (25) provided with upper axle (28), lower axle connects one end of (25) nearly deep-slotted chip breaker (38) and has been sequentially connected with two lower axles (24) and once spindle nose (26), upper axle connect (28) one end of nearly deep-slotted chip breaker (38) has been sequentially connected with spindle nose (32) on two upper axles (27) and one, and floating seat (8) is provided with sequentially (28) are connect through upper axle and lower axle connects the inner guiding post (12) that (25) are fixed on crescent (39) bottom, and inner guiding post is arranged with (12) Axle is fixed on to connect at the top of (28) and can connect along the interior guide pin bushing (29) that inner guiding post (12) move up and down, inner guiding post (12) free end There is interior connecting plate (13), the drop axle spring (31) being set on inner guiding post (12) be provided between interior guide pin bushing (29) and interior connecting plate (13), Lower axle connects and cam path (42) is provided with (25), and interior connecting plate (13), upper axle connect (28), floating seat (8) and the corresponding cam path of lower mould (1) (42) through hole (40) is equipped with, four through holes (40) and cam path (42) are collectively forming a bar passage, be arranged with bar passage Upper end is fixed on the drive rod (20) of mould (2), and drive rod (20), which is provided with one section, to be coordinated and then drive with cam path (42) Lower axle connects the rake (17) that (25) move left and right, and is equipped with the top of lower axle (24) with upper axle (27) bottom and dashes forward (35) by multiple teeth The teeth groove mechanism formed is arranged at intervals with multiple grooves (36), deep-slotted chip breaker (38) is provided with cotter way (14), and cotter way (14) bottom is sequentially Be connected with floating pin spring (16) and the pin (15) that floats, upper mould (2) is fixed with pre- wedge (21), pre- wedge (21) is interior be arranged with can on Wedge spring (23) is installed between at the top of the depression bar (22) of lower movement, pre- wedge (21) and depression bar (22).
2. the tubing punching swell-shrink interior axis mechanism of close flute profile according to claim 1, it is characterised in that the cotter way (14) it is made up of pin-and-hole and the plug screw of pin-and-hole bottom (7), high oblique in (25) side is connect for nearly lower axle at the top of the pin (15) that floats Face.
3. the tubing punching swell-shrink interior axis mechanism of close flute profile according to claim 1, it is characterised in that the outer bush (9) buffering ring (10) being set on outer guiding post (4) is provided between outer connecting plate (5).
4. the tubing punching swell-shrink interior axis mechanism of close flute profile according to claim 1, it is characterised in that the lower mould (1) On be fixed with four outer guiding posts (4), floating seat (8) while be set on four outer guiding posts (4), four outer guiding posts (4) Two free ends of free end homonymy are one group and are connected on two outer connecting plates (5), are arranged with the pre- wedge (21) Two depression bars (22) moving up and down, described two outer connecting plates (5) are equipped with one and are used for the breach that depression bar (22) passes through (37), floating seat (8) front and rear sides are equipped with a preceding cover fillet (33) being fixed on lower mould (1), and floating seat (8) left and right sides is The side cover bar (34) being fixed on provided with one on lower mould (1).
5. the tubing punching swell-shrink interior axis mechanism of close flute profile according to claim 1, it is characterised in that the interior connecting plate (13) pillar (11) for reinforcing is connected between floating seat (8).
6. the tubing punching swell-shrink interior axis mechanism of close flute profile according to claim 1, it is characterised in that the interior guide pin bushing (29) spring base (30) being set on inner guiding post (12), the bullet for being subject to interior guide pin bushing (29) are provided between drop axle spring (31) Spring force is evenly stablized.
7. the tubing punching swell-shrink interior axis mechanism of close flute profile according to claim 1, it is characterised in that the lower axle connects (25) at least one lower axle (24) is connected between lower spindle nose (26), the upper axle connects and connected between (28) and upper spindle nose (32) There is at least one upper axle (27), upper axle (27) top end face is uniformly provided with several semicircular support chips (41).
8. the tubing punching swell-shrink interior axis mechanism of close flute profile according to claim 1, it is characterised in that the upper axle (27) and upper axle connect between (28), between upper axle (27) and upper spindle nose (32), lower axle (24) and lower axle connect between (25), lower axle (24) fixed between lower spindle nose (26) by screw (6) and straight pin.
CN201721032397.8U 2017-08-17 2017-08-17 A kind of tubing punching swell-shrink interior axis mechanism of close flute profile Active CN207170623U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721032397.8U CN207170623U (en) 2017-08-17 2017-08-17 A kind of tubing punching swell-shrink interior axis mechanism of close flute profile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721032397.8U CN207170623U (en) 2017-08-17 2017-08-17 A kind of tubing punching swell-shrink interior axis mechanism of close flute profile

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CN207170623U true CN207170623U (en) 2018-04-03

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GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Expandable inner shaft mechanism densely provided with teeth and used for pipe punching

Effective date of registration: 20200512

Granted publication date: 20180403

Pledgee: Zhejiang Taizhou Huangyan Rural Commercial Bank Co., Ltd.

Pledgor: TAIZHOU ZHONGRUI ELECTRONICS Co.,Ltd.

Registration number: Y2020330000227

PE01 Entry into force of the registration of the contract for pledge of patent right