[go: up one dir, main page]

CN1061572C - Extrusion and forging manufacturing device for metal flower tube unit embossment - Google Patents

Extrusion and forging manufacturing device for metal flower tube unit embossment Download PDF

Info

Publication number
CN1061572C
CN1061572C CN96106335A CN96106335A CN1061572C CN 1061572 C CN1061572 C CN 1061572C CN 96106335 A CN96106335 A CN 96106335A CN 96106335 A CN96106335 A CN 96106335A CN 1061572 C CN1061572 C CN 1061572C
Authority
CN
China
Prior art keywords
unit
lead screw
extruding
tube
forging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN96106335A
Other languages
Chinese (zh)
Other versions
CN1168304A (en
Inventor
曾绍谦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN96106335A priority Critical patent/CN1061572C/en
Publication of CN1168304A publication Critical patent/CN1168304A/en
Application granted granted Critical
Publication of CN1061572C publication Critical patent/CN1061572C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Forging (AREA)

Abstract

An extrusion forging manufacturing device for a metal floral tube unit convex ornament comprises two bearing seats, a linkage group and a convex ornament module, wherein two ends of a lower lead screw rod are respectively rotatably guided between two die covers, the periphery of each bearing seat is pivoted with the linkage group, the linkage group is formed by pivoting two equidistant swing arms at a center line position, and the pivot point is pivoted with the convex ornament module with a required modeling style; the convex decoration module is driven by the rotary guide to forge the tube wall of the floral tube, and the lead screw is reversely rotated after the required convex decoration forming amount is reached, so that the convex decoration module is released and separated from the inner tube wall; the device can be applied to processing the formed metal floral tube to generate the non-continuous convex decorative wall body shape with unit intervals of the same circumference.

Description

Device is made in the crowded forging of metal floral tube unit stud
Device is made in the crowded forging that the present invention relates to metal tube, especially refer to a kind ofly, make its body local unit accept a stud moulding again and squeeze and forge processing and make the crowded forging that the floral tube surface has a metal floral tube unit stud that highlights granular unit decorations volume morphing and make device at forging molded metal floral tube.
At present, had the metal tube system has been become to have the crowded forging technology of fluctuating arc outline, its mode is utilized the extruding (ROTARY SWAGER) of swaging mostly, the crowded forging (STATIONARY-SPINDLE SWAGER) of location king post system, rock the crowded forging (CREEPING-SPINDLE SWAGER) of king post system, interactive (ALTERNATE-BLOW SWAGER) or the closed crowded forging of the punching block technology such as (DIE-CASTING SWAGER) of forging of squeezing, through these technology the progressive metal body of being processed into, the fluctuating line body of its crowded forging molding of surface institute has all continuities of ring, A pipe as shown in Figure 1, between the section body that arc is protruding or arc is recessed all sequence be surrounded between the inside and outside tube wall side face of body, so our the metal body be processed into through these technology of common name is " floral tube ".
Via the made metal floral tube of above crowded forging technology, has high compressive strength, and be used in places such as general balustrade railing, metallic door brake tube, showing stand pipe, table or chair pin pipe usually, the fluctuating profile of this body also can be complied with required and be utilized above-mentioned crowded forging technology to make simultaneously, but these fluctuating line bodies are all had continuity ring week, for floral tube is made set mode behind the line body that respectively rises and falls; Based on this because of, as the fluctuating contour surface of desiring to make this floral tube body apply again produce non-link up around the unit lug boss, squeeze in the forging technology and can't realize at aforesaid existing body, B pipe as shown in Figure 1, the set angle of being planned is complied with on the surface of its floral tube body, outwards make the lug boss (being the made stud of the present invention) of various units specification, this lug boss is the variation of doing to highlight with inner tubal wall and outer tube wall, yet the aforementioned existing variation that forging technology tube wall is done to highlight with this wall of squeezing, the aforementioned existing forging technology of squeezing can't be made, have the existing metal casting technology of utilizing only, perhaps can make unit stud floral tube body with noncontinuity; Yet know again, the made metal objects of utilization forging type, its grain structure is comparatively loose, so crushing strength is not good, and because of the surface of the metal objects cast comparatively coarse, the attrition process so still need, required die body digs the cost of equipment such as cave equipment and smelting furnace casting but also high high during not only known casting, this reason is also known by being engaged in this operator, therefore, how to use the noncontinuity stud that squeezes the forging mode and on the tube wall of metal floral tube, produce high-intensity unit specification, the wound motivation place of grinding of the present invention just.
The present invention is directed to the deficiencies in the prior art, device is made in the crowded forging that aims to provide a kind of metal floral tube unit stud, this device is to utilize revolving of a helical pitch screw rod to lead torsion as power source, make through revolving and lead interlock and the floral tube tube wall is bestowed one squeeze the forging and pressing type and go out the positive acting power of stud, and then make required floral tube surface and have and highlight granular unit decorations volume morphing.
The present invention comprises the splendidization torsion that utilizes the helical pitch screw rod to be exported, make through revolving and lead two corresponding bearings folder and condense and move, and the interlock group that is pivoted between interlock two bearings is changed this torsion, make it to become the crowded forging active force that the pore inwall is produced ejection, and should squeeze the forging active force by the set stud module performance of the pivoting point of motor-driven ejection, the crowded forging molding stud that the required place of floral tube tube wall bestows is from inside to outside processed.
The present invention utilizes the helical pitch feeding of helical pitch screw rod to be easy to obtain accurate control with rotating speed, and utilize the helical pitch screw rod to be able to the greatly axial torsion of output in the narrow and small pore space, impel eventually once the interlock group and transform this torsion and when presenting crowded forging active force to the tube wall pushing tow, be able to easy via the feeding rotating speed that revolves control helical pitch screw rod, and break through the resistance to deformation intensity of floral tube tube wall processing stand easily, and then obtain the stud figure of required crowded forging deflection and body unit's specification thereof.
The present invention also utilizes to revolve on the helical pitch screw rod and leads the bearing that two corresponding clips contract, and utilize the hub setting between two bearings can be through contract ejection or open the device body that is constituted from the interlock group that condenses and stud module of folder, be when condensing, to be placed into easily in the floral tube pore of institute's desire processing, and can in the hole, implement ejection and squeeze forge after the processing involution again and condense, be beneficial to discharge and take out the moulding body.
The present invention can be according to the body profile of required stud and conversion is provided with the stud module of equal style, in order to can be on the floral tube body one by one conversion squeeze the body of forging stud.
Below in conjunction with accompanying drawing, the present invention is described in further details.
Fig. 1 makes the conventional metals floral tube making schematic perspective view that has the unit stud on the floral tube for the present invention;
Fig. 2 is the three-dimensional exploded view of stud shaped device of the present invention;
Fig. 3 enters cuing open in the pore and shows state diagram for apparatus of the present invention body places;
Fig. 4 revolves in pore for apparatus of the present invention and leads that folder contracts, ejection squeeze to be forged cuing open of tube wall and shown state diagram;
Fig. 5 is the sectional schematic diagram of Fig. 4 state of the present invention;
Fig. 6 is the three-dimensional exploded view of another example of stud module of the present invention;
Fig. 7 is another example stereogram of bearing of the present invention;
Fig. 8 squeezes the assembly cut-away view of forging processing tube wall stud in the pore for the present invention's bearing shown in Figure 7 is implemented on;
As shown in Figure 1, the present invention utilizes the floral tube (as the A pipe) that squeezes forging molding as workpiece, makes it go out the not manufacturing technology of the stud body of commensurate's specification (as the B pipe) through squeezing forging molding more from inside to outside from pore;
The stud of each unit body of local forging is unprecedented technology on the metal floral tube, and the particularly following processing stud shaped device C that is set forth, and the emanant crowded forging mode of utilizing this device to implement belong to characteristics of the present invention place;
Serve as the assembly form C of topic narration stud shaped device of the present invention now with the stud part B1 that makes on the B pipe shown in Figure 1, as shown in Figure 2, set two positioning seats 511 and 521 a pair of upper and lower die cap 51 and 52, in two positioning seats 511 and 521 hub setting one helical pitch screw rods 1 and be installed with an amount of slide-bar 53 location, and be surrounded on around the helical pitch screw rod, and spiral shell is established two corresponding bearings 2 and 20 on helical pitch screw rod 1, and at two bearings 2 and 20 hub setting numbers to interlock group 3, and on the pivot joint center line of each interlock group 3, articulate stud module 4 etc. and constitute this device; Wherein:
Just making respectively on the both sides body of rod of this helical pitch screw rod 1, oppositely tooth journey 11 and 12 is corresponding form, just, the cant portion 13 that has a projection on the stage casing body of rod between reverse tooth journey, but this helical pitch screw rod 1 output is mechanisms such as winding deceleration transmission group, use and make helical pitch screw rod 1 be able to just producing in good time, reverse location and constant speed turning operation, at this helical pitch screw rod 1 just, two bearings 2 and 20 are set respectively on the anti-tooth journey 11 and 12, groups such as two bearing centers all have are put the helical pitch tooth hole to the position, this two bearing 2 and 20 is to belong to double interlocking combining form, it comprises that utilization is provided with butt joint flank 211 and 221 in the both sides of each double bearing 21 and 22, use and utilize screw element 23 and the 231 sealed assemblings in addition of nut element, and then be beneficial on the helical pitch screw rod 1 that segmentation is assembled in required paragraph, certain each double bearing 21 and 22 bearings 2 and 20 that combination is made, its center is in helical pitch screw rod 1 just to have helical pitch tooth hole 24 swivel nuts, oppositely on the tooth journey 11 and 12, and be equipped with an amount of helical pitch slide opening 241 location on bearing 2 that combines and 20 the periphery, use on the helical pitch slide-bar 53 that in advance penetrates both sides positioning seat 511 and 521 before combination, the folder lock is combined into slidably displacement state again; With bearing 2 is example, can squeeze the non-coherent formula distribution position of the stud B1 of unit that forges according to institute's desire processing, be shaped on corresponding ear seat 25 and an end outer wall equipotential that makes bearing 2 is protruding, all has pin-and-hole 251 on these ear seats 25, so that utilize rivet 252 respectively two swing arms 31 of hub setting interlock group 3 and 32 in pin-and-hole 251, the arm planar 311 and 321 of corresponding cant is all made in two swing arms 31 of this each interlock group 3 and 32 bottoms, and two swing arms 31 and 32 are isometric, and in two bearings 2 and 20 s' midline position by 33 hub settings of pintle(-tel), the pivot hole 41 of this stud module 4 of this pivoting point (being the axial tie point of pintle(-tel) 33) hub setting simultaneously, impel each stud module 4 just in time by the center line equidistant position of interlock group 3 hub settings, form the assembly of stud shaped device of the present invention in two bearings 2 and 20.
As shown in Figure 3, when floral tube A being inserted device body of the present invention inside, two positioning seats 511 and 521 of both sides are earlier by last, the limiting groove 510 of following die cap 51 and 52 both sides and 520 insert and put the location, mat and make that the helical pitch screw rod 1 of two positioning seats 511 and the hub setting of 521 institutes also is placed on unchangeably, in the following die cap 51 and 52, and two bearings 2 of helical pitch screw rod 1 both sides and 20 are worn by slide-bar 53 in addition, only can produce the shift reciprocately action according to its rail, this moment, this two bearing 2 and 20 are to be the state of condensing, and impel through the stud module 4 of 3 interlocks of interlock group and are possessed the loose nargin that places; In case via forward rotation helical pitch screw rod 1 back (as shown in Figure 4), this just, bearing 2 and 20 on the reverse tooth journey 11 and 12, just the clip shrinkable type displacement that accurately produces the relative amount of feeding along with the helical pitch amount of spin, the interlock group just is subjected to the folder effect of contracting in two bearings 2 and 20 s' interlock group 3 (i.e. two swing arms 31 and 32) this moment, make the cant arm face 311 and 321 of each swing arm bottom go the to conflict cant portion 13 of helical pitch spiral shell 1 middle section, and then interlock stud module 4 outside (pore inwall end) is very stretched, the motor-driven running of continuation by this, and make each stud module 4 remove to squeeze the inner tubal wall of forging the processing pore, make the stud B1 of the unit form (as shown in Figure 5) of making required profile amount; Relative squeeze forge machine-shaping stud B1 after, need this helical pitch screw rod 1 of backward rotation again, two bearings 2 and 20 are returned to again open from original position (form as shown in Figure 3), take out outside pore in order to putting in order group device body, finish the stud B1 of unit of making noncontinuity on floral tube A or the emanant crowded forging molding of B2.
Certainly the body at the stud B1 of this enforcement moulding unit is not unalterable, unit stud B2 body partly as shown in Figure 1, also can obtain the changing capability of other styles of moulding via another stud module 40 of displacement, have the stud module 40 of round end body in two swing arms 31 and 32 hub settings as shown in Figure 6, can be through the running of aforementioned interlock apparatus for feeding and make stud B2 outline with money round end body.
Moreover, two bearings 2 as shown in Figure 2 and 20 ear seat 25, also can squeeze the distributing position of stud B2 between a unit perisporium of forging according to institute's desire, and relatively the ear seat 25 on the bearing 26 distolateral peripheries is made form as shown in Figure 7, thus, need only be in the interlock group 3 and the stud module 4 of numbers such as 25 assembly of each ear seat, just can supply with to squeeze and forge stud B1 or the B2 that processing floral tube A goes up each required body in angle position, as stud B1 position is to squeeze the forging mode by distribution shown in Figure 5 to realize, and stud B2 squeezes the forging mode by distribution shown in Figure 8 to realize, it all is subordinate to utilization scope of the present invention, device body of the present invention and method for making thereof are not limited to could implement on the circular floral tube, it still comprises other how much forging bodys not enumerated, but also mat the present invention and squeeze the unit stud profile be forged into required body on tube wall illustrates in the lump at this.

Claims (11)

1、一种金属花管单位凸饰的挤锻制作装置,主要是针对已挤锻成型的金属花管,施行其管壁上的非连贯性的单位凸饰挤锻加工,其包括:1. A metal flower tube unit embossing extrusion forging device, mainly aimed at extruded metal flower tubes that have been formed, to perform non-continuous unit embossing extrusion forging on the tube wall, which includes: 将金属花管置入一凸饰成型装置内,花管的管孔内部穿套有一导程螺杆,及导程螺杆上两侧的承座,以及二承座间所枢置的等量连动组,各连动组间枢置有对外呈放射状的凸饰模块;藉此组配关系,以形成利用导程螺杆的轴向扭力旋导二承座,促使二承座产生相对正向的夹缩位移运作,连带驱动各连动组对外呈放射状的推举各凸饰模块,进而渐进式的自花管管孔内壁面挤锻成型出内、外管壁同一单位的凸饰形体;而后令导程螺杆反向转动,使二承座张离归位,并缩回各连动组间的凸饰模块,使已挤锻凸饰成型的管体得以被取出。Put the metal flower tube into a convex molding device, the inside of the tube hole of the flower tube is threaded with a lead screw, and the bearings on both sides of the lead screw, and the equal amount of linkage pivoted between the two bearings Each linkage group is pivoted with convex decoration modules that are radial to the outside; through this combination relationship, the axial torsion of the lead screw is used to guide the second seat, so that the second seat produces a relatively positive clip. The retraction displacement operation drives each linkage group to radially push out the embossed modules, and then progressively extrudes from the inner wall of the flower tube hole to form the embossed shape of the same unit of the inner and outer tube walls; and then the guide The stroke screw rotates in the opposite direction, so that the two bearings are stretched away and returned to the original position, and the embossed modules between the linkage groups are retracted, so that the pipe body that has been extruded and embossed can be taken out. 2、如权利要求1所述的金属花管单位凸饰的挤锻制作装置,其特征在于导程螺杆两侧外端为二只对应的定位座所枢置,该二只定位座于加工时是被嵌置定位于一对上、下模盖的两侧端。2. The extruding and forging device for unit embossing of metal flower tubes according to claim 1, characterized in that the outer ends on both sides of the lead screw are pivoted by two corresponding positioning seats, and the two positioning seats are pivoted during processing. It is embedded and positioned at the two side ends of a pair of upper and lower mold covers. 3、如权利要求2所述的金属花管单位凸饰的挤锻制作装置,其特征在于二只定位座间另设有适量的滑轴定位,且环绕于导程螺杆周围。3. The extruding and forging device for unit embossing of metal flower tubes as claimed in claim 2, characterized in that there is an appropriate amount of sliding shaft positioning between the two positioning seats, and it surrounds the lead screw. 4、如权利要求1所述的金属花管单位凸饰的挤锻制作装置,其特征在于导程螺杆的两侧杆体上可分别制成正、反向牙程形态,以便对等组套该相对夹缩或张离位移的二承座。4. The extruding and forging device for the unit embossment of metal flower tubes as claimed in claim 1, characterized in that the rod bodies on both sides of the lead screw can be respectively made into forward and reverse thread shapes, so as to set the same Two bearings that are relatively pinched or stretched away. 5、如权利要求4所述的金属花管单位凸饰的挤锻制程装置,其特征在于导程螺杆位于正、反向牙程间的中段杆体上有一突起的斜推部。5. The extruding and forging process device for embossed metal flower tube units as claimed in claim 4, characterized in that there is a protruding oblique push part on the middle section of the rod body between the forward and reverse threads of the lead screw. 6、如权利要求3所述的金属花管单位凸饰的挤锻制作装置,其特征在于二承座中心皆具有等组置向位的导程牙孔,且二承座皆为制成对半锁接结合形式,以利于分段装配在所需段落的导程螺杆的牙程上。6. The extruding and forging device for unit embossing of metal flower tubes as claimed in claim 3, characterized in that the centers of the two sockets have equal sets of lead holes, and the two sockets are made in pairs. The semi-locking joint form facilitates segmental assembly on the tooth path of the lead screw of the required segment. 7、如权利要求6所述的金属花管单位凸饰的挤锻制作装置,其特征在于二承座中心的导程牙孔,其周围壁面上另设有适量的导程滑孔,以便对应各滑轴穿套,保持二承座的滑动位移运作的稳定性。7. The extruding and forging device for unit embossing of metal flower tubes as claimed in claim 6, characterized in that there are lead tooth holes in the center of the two bearings, and an appropriate amount of lead sliding holes are provided on the surrounding walls so as to correspond to Each sliding shaft is threaded to maintain the stability of the sliding displacement operation of the two bearings. 8、如权利要求1所述的金属花管单位凸饰的挤锻制作装置,其特征在于二承座的对应端边的周缘等位处设有对应耳座,以利枢置每一连动组的二摆臂。8. The extruding and forging device for unit embossing of metal flower tubes as claimed in claim 1, characterized in that corresponding ear seats are provided at the corresponding positions of the peripheral edges of the corresponding ends of the two seats, so as to facilitate the pivoting of each linkage. Set of two swing arms. 9、如权利要求8所述的金属花管单位凸饰的挤锻制作装置,其特征在于利用承座间的耳座枢置连动组的二摆臂,其等位枢置形态可依所欲成的凸饰在一单位周壁间的分布位置,而相对的将承座端侧周边上的耳座亦制成等位分布设立的形态。9. The extruding and forging device for unit embossing of metal flower tubes according to claim 8, characterized in that the two swing arms of the linkage group are pivoted by the lugs between the seats, and the equipotential pivoting configuration can be adjusted according to the desired position. The distribution positions of the desired embossed decorations among the surrounding walls of a unit, and oppositely, the ear seats on the periphery of the end side of the seat are also made into an equidistributed and established form. 10、如权利要求8所述的金属花管单位凸饰的挤锻制作装置,其特征在于每一连动组中的二摆臂,皆具相对应的斜倾状底端臂面,以利于夹缩时能确保其对外呈放射状推举凸饰模块的受力连动方向。10. The extruding and forging device for unit embossing of metal flower tubes as claimed in claim 8, characterized in that the two swing arms in each linkage group have corresponding inclined bottom arm surfaces, so as to facilitate When clamping and shrinking, it can ensure that it radially pushes the direction of force interlocking movement of the embossed module. 11、如权利要求1所述的金属花管单位凸饰的挤锻制作装置,其特征在于凸饰模块具有枢孔供枢置,且其头端模体可依所需成型凸饰的轮廓而制成同等形体。11. The extrusion forging device for unit embossing of metal flower tubes according to claim 1, characterized in that the embossing module has a pivot hole for pivoting, and the mold body at the head end can be adjusted according to the contour of the embossing to be formed. made into equivalent shapes.
CN96106335A 1996-06-19 1996-06-19 Extrusion and forging manufacturing device for metal flower tube unit embossment Expired - Fee Related CN1061572C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN96106335A CN1061572C (en) 1996-06-19 1996-06-19 Extrusion and forging manufacturing device for metal flower tube unit embossment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN96106335A CN1061572C (en) 1996-06-19 1996-06-19 Extrusion and forging manufacturing device for metal flower tube unit embossment

Publications (2)

Publication Number Publication Date
CN1168304A CN1168304A (en) 1997-12-24
CN1061572C true CN1061572C (en) 2001-02-07

Family

ID=5119079

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96106335A Expired - Fee Related CN1061572C (en) 1996-06-19 1996-06-19 Extrusion and forging manufacturing device for metal flower tube unit embossment

Country Status (1)

Country Link
CN (1) CN1061572C (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1325759A (en) * 1919-12-23 Adjustable support eob
GB2005376A (en) * 1977-09-29 1979-04-19 Spiral Tubing Corp Helically corrugated tubing
US4275579A (en) * 1979-11-19 1981-06-30 Anoshko Vladimir A Apparatus for manufacture of corrugated pipes
GB2121326A (en) * 1982-05-22 1983-12-21 Cam Gears Ltd Valve sleeves
US4471516A (en) * 1978-07-31 1984-09-18 Godbe James R Boiler tube pulling method and apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1325759A (en) * 1919-12-23 Adjustable support eob
GB2005376A (en) * 1977-09-29 1979-04-19 Spiral Tubing Corp Helically corrugated tubing
US4471516A (en) * 1978-07-31 1984-09-18 Godbe James R Boiler tube pulling method and apparatus
US4275579A (en) * 1979-11-19 1981-06-30 Anoshko Vladimir A Apparatus for manufacture of corrugated pipes
GB2121326A (en) * 1982-05-22 1983-12-21 Cam Gears Ltd Valve sleeves

Also Published As

Publication number Publication date
CN1168304A (en) 1997-12-24

Similar Documents

Publication Publication Date Title
CN101547759A (en) Rack and manufacturing method thereof
US8033153B1 (en) Method and apparatus for manufacturing a battery terminal with undercut rings
EP1255634B1 (en) Device and method for pressing a plastically deformable blank
CN1061572C (en) Extrusion and forging manufacturing device for metal flower tube unit embossment
CN106853503A (en) The positioning combined mould in crankshaft crank upsetting shaping axial direction
CN103551850A (en) Closed type extrusion forging technology of complete fiber single-throw crankshaft forge piece
JP2002528273A (en) Shift gear wheel manufacturing method, apparatus for implementing the method, and shift gear wheel manufactured by the method
JPH0146216B2 (en)
JPH11502158A (en) Chuck with molded jaws
CN106862395A (en) Deep slot type conjunction gear composite forming die
CN214022660U (en) Extrusion forming device for Y-shaped special pipe
JP2925501B2 (en) Method for manufacturing mold for worm wheel injection molding
JP2588759B2 (en) Manufacturing method of screw rotor
JP2530274B2 (en) Manufacturing method of multi-stage helical gear with sintered metal
CN100359281C (en) Process for making sword body
CN115318924A (en) Titanium alloy seamless gas cylinder spinning equipment and spinning forming method thereof
CN112620375B (en) Extrusion forming device for Y-shaped special-shaped pipe
JPH0698406B2 (en) Screw rotor manufacturing method
CN216175410U (en) Cold extrusion forming die for ball sliding shaft
CN223210262U (en) Industrial aluminum profile extrusion die
CN2486772Y (en) Improved structure of the shaft
CN219865861U (en) Novel crank structure
CN215587509U (en) Cold forming device for vehicle cam shaft parts
JPH04251628A (en) Transverse pressing device for crank shaft forging device
CN221966695U (en) Single-sided pinch roller spoke forging die for small and medium-sized gears

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee