CN1061572C

CN1061572C - Extruding and forging press for producing raised decoration unit in figured metal pipe

Info

Publication number: CN1061572C
Application number: CN96106335A
Authority: CN
Inventors: 曾绍谦
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-06-19
Filing date: 1996-06-19
Publication date: 2001-02-07
Anticipated expiration: 2016-06-19
Also published as: CN1168304A

Abstract

The present invention relates to an extruding and forging device for making metal perforated pipe unit bosses, which has the structure that two supports are respectively guided to rotate by both ends of a guiding screw between two mould covers, the periphery of the supports is pivoted with an interlocking group, the interlocking group is formed by pivoting two equidistant swing arms in the position of a middle line, and a boss module with the required shape style is pivoted at the pivoting joint; thus, the boss module is interlocked to extrude and forge the wall of the perforated pipe through the rotating guide to the required boss forming quantity, and the guiding screw is reversely rotated to release the boss module and disengage from the inner pipe wall. The present invention can be used for processing formed metal perforated pipes, so that a wall body with non-consecutive bosses with equal-circumference unit intervals is formed on the processing formed metal perforated pipe.

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

1, device is made in the crowded forging of a kind of metal floral tube unit stud, mainly is at the metal floral tube that squeezes forging molding, and the unit stud of implementing the noncontinuity on its tube wall squeezes forges processing, and it comprises:

The metal floral tube is inserted in the stud shaped device, and the pore inside of floral tube is coated with a helical pitch screw rod, reaches the bearing of both sides on the helical pitch screw rod, and the equivalent interlock group of institute's hub setting between two bearings, and hub setting has external radial stud module between each interlock group; Assembly concerns by this, utilize the axial torsion of helical pitch screw rod to revolve with formation and lead two bearings, the folder that impels two bearings the to produce relative forward movement of condensing is done, each stud module of the external radial election of each interlock group of related driving, and then gradual squeeze the stud body that forging molding goes out the same unit of inside and outside tube wall from floral tube pore internal face; Then make helical pitch screw rod backward rotation, two bearings are opened from playback, and the stud module between each interlock group of withdrawing, make and squeeze the body of forging the stud moulding and be removed.

2, device is made in the crowded forging of metal as claimed in claim 1 floral tube unit stud, it is characterized in that outer end, helical pitch screw rod both sides is the positioning seat institute hub setting of two correspondences, these two positioning seats are set the two side ends that is positioned a pair of upper and lower die cap man-hour in adding.

3, device is made in the crowded forging of metal as claimed in claim 2 floral tube unit stud, it is characterized in that being provided with an amount of slide-bar location between two positioning seats in addition, and is surrounded on around the helical pitch screw rod.

4, device is made in the crowded forging of metal as claimed in claim 1 floral tube unit stud, it is characterized in that can making forward and reverse tooth journey form respectively on the both sides body of rod of helical pitch screw rod so that peer-group overlap this relatively folder contract or open two bearings of offing normal and moving.

5, the crowded forging range device of metal as claimed in claim 4 floral tube unit stud is characterized in that the helical pitch screw rod is positioned at a projection on the stage casing body of rod between forward and reverse tooth journey cant portion.

6, device is made in the crowded forging of metal as claimed in claim 3 floral tube unit stud, it is characterized in that groups such as two bearing centers all have put the helical pitch tooth hole to the position, and two bearings are all makes double interlocking combining form, is beneficial on the tooth journey of helical pitch screw rod that segmentation is assemblied in required paragraph.

7, device is made in the crowded forging of metal as claimed in claim 6 floral tube unit stud, the helical pitch tooth hole that it is characterized in that two bearing centers, be provided with an amount of helical pitch slide opening on its peripheral wall surface in addition,, keep the stability of the slide displacement running of two bearings so that corresponding each slide-bar wears.

8, device is made in the crowded forging of metal as claimed in claim 1 floral tube unit stud, it is characterized in that the periphery equipotential place on the corresponding end limit of two bearings is provided with corresponding ear seat, in order to two swing arms of each interlock group of hub setting.

9, device is made in the crowded forging of metal as claimed in claim 8 floral tube unit stud, it is characterized in that utilizing two swing arms of the ear seat hub setting interlock group between bearing, the distributing position of stud between a unit perisporium that its equipotential hub setting form can become according to the institute desire, and the relative ear seat with on the distolateral periphery of bearing is also made the form that equipotential distributes and sets up.

10, device is made in the crowded forging of metal as claimed in claim 8 floral tube unit stud, it is characterized in that two swing arms in each interlock group, all the corresponding squint shape of tool bottom arm face is beneficial to press from both sides and can guarantees when contracting that it externally is the stressed interlock direction of radial election stud module.

11, device is made in the crowded forging of metal as claimed in claim 1 floral tube unit stud, it is characterized in that the stud module has the pivot hole for hub setting, and its head end die body can and be made equal body according to the profile of required moulding stud.