CN102941270A - Spinning method of electrically conductive contact finger and matched spinning device - Google Patents
Spinning method of electrically conductive contact finger and matched spinning device Download PDFInfo
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- CN102941270A CN102941270A CN2012103402888A CN201210340288A CN102941270A CN 102941270 A CN102941270 A CN 102941270A CN 2012103402888 A CN2012103402888 A CN 2012103402888A CN 201210340288 A CN201210340288 A CN 201210340288A CN 102941270 A CN102941270 A CN 102941270A
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Abstract
The invention discloses a spinning method of an electrically conductive contact finger and a matched spinning device. The spinning method is characterized in that a spinning technology of the electrically conductive contact finger is divided into two working procedure, namely spinning forming of a bottle body part and a bottle bottom part of the electrically conductive contact finger and spinning forming of a bottle neck part and a bottle opening part of the electrically conductive contact finger; and in the forming procedure of the bottle neck part, while radial force is applied by a spinning wheel, axial pressure is further applied to a cylinder-shaped blank of the electrically conductive contact finger in the axial direction of a core mold by utilizing a pressure loading mechanism, so that material can be pushed to flow towards a stretched and thinned part of the bottle neck part in real time to timely supplement the stretched part. The spinning technology is simple to operate, is very convenient to implement and effectively guarantees the wall thickness of the bottle neck part of the electrically conductive contact finger in the spinning process, thereby guaranteeing that the electrically conductive contact finger manufactured by adopting the spinning technology has high flow capacity and satisfies the requirement of a megavolt power transmission and transformation line for an effective area of a through-flow cross section of the electrically conductive contact finger of a bypass isolating switch, and laying a solid foundation for smooth passing of 6300A of current.
Description
Technical field
The invention belongs to the rotary pressing processing technical field, say accurately the spinning processing method that relates to a kind of extra-high voltage conductive contact finger and be exclusively used in the spinning processing device of implementing the method.
Background technology
Along with development and the growth in State Grid market, the large electric current power transmission and transformation of extra-high voltage product becomes the leading products of electricity market, and the demand of 1,000,000 volts of series of products constantly increases.Especially bypass isolating switch is carried electrical power for increasing in 1,000,000 volts of power transmission and transformation lines, the aspect important roles such as the maintenance circuit is stable, and conductive contact finger is the vital part in the bypass isolating switch, its through-current capability requires to reach 6300A, this bypass isolating switch conductive contact finger is mainly made by the T2Y copper coin of 4 millimeters thick, the tensile strength of this material is 295 MPas, intensity is lower, ductility is very good, its structure such as Fig. 1, Fig. 2, shown in Figure 3, this conductive contact finger integral body is hollow tubular structure, it is mainly by mouth cylindrical part 1, neck part 2, body section 3 and bottle bottom 4 form, wherein, bottle bottom 4 and mouth cylindrical part 1 are the annulus tubular construction, the frustum of a cone tubular construction that body section 3 is increased to mouth cylindrical part 1 direction by bottle bottom 4 gradually for internal diameter, the neck part 2 that is connected between mouth cylindrical part and the 1 body section 3 is the annular throat structure of other each several part of circle internal diameter, so that this conductive contact finger is vase-shaped.At present, the processing technology of producing this constitutional detail is mainly rotary pressing processing, but because its Material Strength is lower, the reason processing that ductility is good comparatively bothers, especially for the processing of conductive contact finger neck part, spinning wheel can produce stretching action to the barrel of conductive contact finger when adopting conventional rotary pressing processing technique when the conductive contact finger neck part is applied radial load, be easy to cause the neck part of conductive contact finger to be drawn thin, cause the thinnest part thickness of conductive contact finger neck part to only have 1.5 millimeters, so that the through-current capability of conductive contact finger is a greater impact, do not meet in 1,000,000 volts of power transmission and transformation lines the requirement to the effective area of bypass isolating switch conductive contact finger passage section.
Summary of the invention
The objective of the invention is: a kind of spinning processing method of conductive contact finger is provided, can not guarantees the problem of conductive contact finger neck part wall thickness to solve conventional rotary pressing processing.
The technical scheme of conductive contact finger neck part spinning processing method of the present invention is: a kind of spinning processing method of conductive contact finger, the method comprises twice rotary pressing processing operation: 1., the mould pressing of conductive contact finger body section and bottle bottom, and 2., the mould pressing of conductive contact finger neck part; Wherein, the rotary pressing processing operation of conductive contact finger body section and bottle bottom is conductive contact finger tubular blank to be sleeved on the first core also pacify to spinning machine, this first core has the butt annular conical surface that coincide with conductive contact finger body section internal face and is provided with the anchor ring that coincide with conductive contact finger bottle bottom interior wall face at the miner diameter end of butt annular conical surface, when spinning machine drove conductive contact finger tubular blank and rotate along axis by the first core, spinning wheel moves and radially conductive contact finger tubular blank applied radial pressure along mouth cylindrical part to the bottle bottom direction of conductive contact finger finished a shaping bottom conductive contact finger body section and the bottle; The mould pressing operation of conductive contact finger neck part may further comprise the steps: be installed on the spinning machine after being sleeved on the tubular blank of conductive contact finger on the second core, this second core has the circumferential groove in its end portion of coincideing with conductive contact finger neck part internal face, spinning machine drives the tubular blank along the axis rotation of core by the second core, spinning wheel is synchronously along the second core mandrel to mobile and radially conductive contact finger tubular blank is applied radial pressure along the second mandrel, simultaneously, from one end to the other side conductive contact finger tubular blank is applied axial compressive force by pressure-loaded mechanism along the axis of the second core, thereby change flow of material to, guarantee the shaping of conductive contact finger neck part.
The first step is passed through first body section and the bottle bottom of the mould pressing operation shaping conductive contact finger of conductive contact finger body section and bottle bottom in the described two procedures; Second step is used the rotary pressing processing operation shaping conductive contact finger neck part of conductive contact finger neck part again.
The present invention also provides a kind of conductive contact finger spinning processing device of implementing above-mentioned spinning processing method that is exclusively used in simultaneously, the technical scheme of this spinning processing device is: a kind of conductive contact finger spinning processing device, comprise the first core and the second core, the outer surface of described the first core is provided with for coincideing with conductive contact finger tubular blank body section internal face and supports the butt annular conical surface that cooperates, the miner diameter end of butt annular conical surface also be provided with for the conductive contact finger tubular blank bottle bottom interior wall face anchor ring that support cooperates that coincide; The outer surface of described the second core is provided with for the circumferential groove in its end portion that cooperates shaping conductive contact finger neck part with spinning wheel, be provided with for the block position limiting structure that cooperates with the axial block in the corresponding end of conductive contact finger tubular blank at the front end of the second core, be provided with in the rear end of the second core under driving in pressure-loaded mechanism along the core mandrel to the afterburning cover of annular that the corresponding end of conductive contact finger tubular blank is applied axial compressive force.
The afterburning cover of described annular comprises the guide part that cooperates with the second core guiding slip sleeve and the connecting portion of pressure-loaded mechanism that is used for being in transmission connection, guide part away from the front end of connecting portion be provided with for the end cap of the corresponding end of conductive contact finger tubular blank pushing tow cooperation.
Described the first core in the bigger diameter end of butt annular conical surface also be provided with for conductive contact finger mouth cylindrical part internal face coincide support the anchor ring that cooperates and this anchor ring away from the front end radial convex of butt annular conical surface be provided with for the spacing ring platform that cooperates of the axial block of conductive contact finger tubular blank; Described the second core comprises for coaxial the second mandrel that is installed on conductive contact finger tubular blank and is used for being supported on core rod between the second mandrel outer peripheral face and the conductive contact finger tubular blank internal face, described core rod connects to form by the first half that is used for cooperating with conductive contact finger tubular blank bottle bottom and the support of body section and for supporting the latter half two parts that cooperate with conductive contact finger tubular blank mouth cylindrical part in the axial direction, and described circumferential groove in its end portion is opened in forward and backward two-part junction.
The first half of described core rod is provided with for the annulus section that cooperates with conductive contact finger tubular blank bottle bottom support and for supporting with conductive contact finger tubular blank body section and cooperates, the frusto-conical portion that diameter is increased to the bottleneck direction gradually by annulus section, this first half core upwards consists of valvular structure by a pair of relatively symmetrically arranged the first core rod with a pair of relative symmetrically arranged the second core rod in week, the outer surface of described the first core rod and the second core rod be equipped with for the coincide arc surface that cooperates and being used for and the identical frusto-conical face that cooperates of body section internal face of conductive contact finger tubular blank of the bottle bottom interior wall face of conductive contact finger tubular blank, the outer surface of the outer surface of described two first core rods and two second core rods surrounds circle, the inner surface of described two first core rods is opposing parallel and the plane tangent with the second mandrel outer peripheral face, and the inner surface of described two second core rods is by forming with the plane of two first core rod inner surfaces applying and with the identical arc surface that cooperates of the second mandrel outer peripheral face respectively.
Described two first core rods and two second core rods are fixedly connected with the latter half core rod by connecting bolt respectively.
The guide part of the afterburning cover of described annular and the second core back-end slip sleeve that leads cooperates.
Conductive contact finger spinning processing method of the present invention is that the rotary pressing processing technique with conductive contact finger is divided into two procedures, the body section of one procedure shaping conductive contact finger and bottle bottom, neck part and the mouth cylindrical part of one procedure shaping conductive contact finger, and in the forming process of conductive contact finger neck part, spinning wheel is when applying radial load to conductive contact finger tubular blank, the pressure-loaded mechanism that axially utilizes along core applies axial compressive force to conductive contact finger tubular blank, when being stretched attenuation in case the conductive contact finger neck part is subject to the radial compression applied of spinning wheel, being applied to axial compressive force on the conductive contact finger tubular blank can promote in real time material and flow to the thin position of drawing of neck part, stretching place is in time replenished, avoid the conductive contact finger neck part thin phenomenon to occur drawing, this rotary pressing processing is simple to operate, implement very convenient, it has effectively guaranteed the wall thickness of conductive contact finger neck part in the rotary pressing processing process, the thickness of its thinnest part is greater than 3 millimeters, thereby guaranteed that the conductive contact finger that adopts rotary pressing processing to make has good through-current capability, meet in 1,000,000 volts of power transmission and transformation lines the requirement to bypass isolating switch conductive contact finger passage section effective area, for having established solid foundation by 6300 peace electric currents smoothly.
Description of drawings
Fig. 1 is the front view of conductive contact finger involved in the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the C-C cutaway view among Fig. 2;
Fig. 4 is the flow chart of conductive contact finger spinning processing method of the present invention;
Fig. 5 is the stereogram of the first core in the spinning processing device specific embodiment of the present invention;
Fig. 6 is the use state diagram of the first core;
Fig. 7 is the use state front view of the second core in the spinning processing device of the present invention;
Fig. 8 is the A-A cutaway view among Fig. 7;
Fig. 9 is the B-B cutaway view among Fig. 7;
Figure 10 is the second core shaft structure stereogram among Fig. 7;
Figure 11 is the first core rod front view among Fig. 7;
Figure 12 is the first core rod stereogram among Fig. 7;
Figure 13 is the second core rod front view among Fig. 7;
Figure 14 is the second core rod stereogram among Fig. 7;
Figure 15 is latter half core stereogram among Fig. 7.
The specific embodiment
Conductive contact finger spinning processing method of the present invention is conductive contact finger to be shaped be divided into two procedures, and as shown in Figure 4, a procedure is the mould pressing of conductive contact finger body section and bottle bottom, and another procedure is the mould pressing of conductive contact finger neck part and mouth cylindrical part.In the present embodiment, as shown in Figure 4, this two procedures is finished in order successively, namely first by body section 3 and the bottle bottom 4 of rotary pressing processing conductive contact finger, passes through neck part 2 and the mouth cylindrical part 1 of rotary pressing processing conductive contact finger again.For realizing this spinning processing method, the invention provides a kind of spinning processing device of implementing this spinning processing method that is exclusively used in, this spinning processing device is respectively two procedures the rotary press modelling core is provided.
Wherein, be used for the first core of shaping conductive contact finger body section 3 and bottle bottom 4 as shown in Figure 5, it comprises for the first mandrel 5 that is located in conductive contact finger tubular blank 60, outer surface at the first mandrel 5 middle parts is provided with one section frusto-conical face 5-1 that coincide with conductive contact finger body section 3 internal faces, the rear end that is positioned at frusto-conical face 5-1 miner diameter end at the first mandrel 5 is provided with the first anchor ring 5-2 that coincide with conductive contact finger bottle bottom 4 internal faces, be positioned at frusto-conical face 5-1 bigger diameter end place at the first mandrel 5 and be provided with the second anchor ring that coincide with conductive contact finger tubular blank 60 inwalls, the anterior radial convex that is positioned at the second anchor ring at the first mandrel 5 outer peripheral faces is provided with the boss 5-3 that cooperates with conductive contact finger tubular blank 60 axial blocks, is arranged in the front portion of boss 5-3 at the first mandrel 5 for being used for being installed in the clamping part of spinning machine chuck.
This first core in use, as shown in Figure 6, first the clamping part of the first mandrel 5 by its front end clamped in the chuck 10 of spinning machine fixing, then the conductive contact finger tubular blank 60 with cylindrical tube shape is sleeved on the first mandrel 5, the front end of this conductive contact finger tubular blank 60 is spacing by the axial block of boss 5-3 that the first mandrel 5 front ends radially are convexly equipped with, simultaneously, the second anchor ring that the leading section internal face of this conductive contact finger tubular blank 60 and the first mandrel 5 front ends arrange coincide, fix by the frictional force between the first mandrel 5 and the conductive contact finger tubular blank 60, the rear end of the first mandrel 5 is held out against with tailstock centre 50 fixing, the stability that keeps the first mandrel 5 to rotate.After starting spinning machine, chuck 10 drives conductive contact finger tubular blank 60 by the first mandrel 5 and rotates along axis, when the bigger diameter end of control spinning wheel 40 along the first mandrel 5 axis directions from butt annular conical surface 5-2 moves to miner diameter end, conductive contact finger tubular blank 60 is applied radial pressure, finish the rotary pressing processing of first operation.
It is extremely shown in Figure 15 with the second core mold structure such as Fig. 7 of mouth cylindrical part 1 to be used for mould pressing conductive contact finger neck part 2, this second core mainly forms by reaching the core rod that is used for being supported between the second mandrel 20 outer peripheral faces and conductive contact finger tubular blank 60 internal faces for coaxial the second mandrel 20 that is located in the conductive contact finger tubular blank 60 after the processing of first operation, because conductive contact finger tubular blank 60 neck parts 2 are the less throat structure of internal diameter, be the form removal after making things convenient for spinning to finish, this core rod reaches latter half 22 two parts that are used for cooperating with mouth cylindrical part 1 support of conductive contact finger tubular blank 60 by the first half 21 that is used for cooperating with bottle bottom 4 and 3 supports of body section of conductive contact finger tubular blank 60 in the axial direction and connects to form, before this, rear two parts core rod 21, be equipped with on 22 the junction outer peripheral face for the circumferential groove in its end portion 24 that cooperates shaping conductive contact finger tubular blank 60 neck parts 2 with spinning wheel 40.Because the frustum of a cone tubular construction that its body section 3 is increased to mouth cylindrical part 1 direction by bottle bottom 4 gradually for diameter after machining through the first operation of the conductive contact finger tubular blank 60 in the present embodiment, thereby on the outer surface of first half core rod 21 the corresponding frusto-conical face of coincideing with these frustum of a cone tubular construction body section 3 internal faces that is provided with, and 4 internal face places are provided with the anchor ring that coincide with it bottom corresponding conductive contact finger bottle, because conductive contact finger tubular blank 60 structures of this structure are comparatively special, for realizing this core form removal, in the present embodiment, this first half core rod 21 upwards surrounded by a pair of relatively symmetrically arranged the first core rod 21-1 and a pair of relative symmetrically arranged the second core rod 21-2 are staggered in week, the cross section that the outer surface of the outer surface of these two first core rod 21-1 and two second core rod 21-2 surrounds is for circular, so that these first half core 21 integral body are valvular structure, wherein, the outer surface of two first core rod 21-1 and two second core rod 21-2 be equipped with for the coincide arc surface that cooperates and being used for and the identical frusto-conical face that cooperates of body section 3 internal faces of conductive contact finger tubular blank 60 of bottle bottom 4 internal faces of conductive contact finger tubular blank 60, the inner surface of two first core rod 21-1 is opposing parallel and the plane tangent with the second mandrel 20 outer peripheral faces, and the inner surface of two second core rod 21-2 is by forming with the plane of two first core rod 21-1 inner surfaces applying and with the identical arc surface that cooperates of the second mandrel 20 outer peripheral faces respectively.Latter half core rod 22 is contained in circular ring structure on the second mandrel 20 for slip cap, and two first core rod 21-2 in the first half core rod 21 and two second core rod 21-2 all are connected with connecting bolt and latter half core 22 by the screwed hole of correspondence setting.For realizing that conductive contact finger tubular blank 60 is applied axial compressive force, its outer peripheral face at the second mandrel 20 is gone back radial convex and is provided with for the ring platform 25 that cooperates to block with bottle bottom 4 respective shaft of conductive contact finger tubular blank 60, the outer rim of ring platform 25 along the second mandrel 20 axially convex with for the radially spacing 25-1 that turns edge that cooperates of bottle bottom 4 outside wall surface of conductive contact finger tubular blank 60, corresponding to an end of the mouth cylindrical part 1 of conductive contact finger tubular blank 60 guiding slip cap the afterburning cover 30 of one annular is housed at the second mandrel 20, the afterburning cover 30 of this annular has to extend axially gives prominence to the second mandrel 20 end faces, be used for the connecting portion of Bonding pressure load maintainer and the guide part that is slidingly matched with the second mandrel 20 outer peripheral faces guiding, be provided with for the opening's edge with conductive contact finger tubular blank 60 mouth cylindrical parts 1 away from an end radial convex of connecting portion at guide part and axially contact the end cap 30-1 that cooperates.In the present embodiment, if being used at an end that adds man-hour and spinning machine chuck 10 clamping engagement on the second mandrel 20 is front end, its other end is the rear end, above-mentioned ring platform 25 one are fixedly arranged on the second mandrel 20 near on the outer peripheral face of its front end, afterburning cover 30 guiding of annular are slidedly assemblied in the rear end of the second mandrel 20, simultaneously, between the front end face of the afterburning cover of annular 30 front end end cap 30-1 and latter half the second core rod 22, be installed with for the load maintainer that is stressed at the afterburning cover 30 of annular and drive and the application of force gap of generation axial displacement.
When carrying out second operation work, front end with the second mandrel 20 is fixedly clamped in the chuck 10 of spinning machine first, then will insert in the second mandrel 20 by 4 places, its bottle bottom through the semi-finished product conductive contact finger tubular blank 60 that the first manufacturing procedure is processed into and the bottle bottom 4 of conductive contact finger tubular blank 60 is cooperated with ring platform 25 blocks on the second mandrel 20, then with two first core rod 21-1 and two second core rod 21-2 to being combined into first half core 21 and being inserted in the annular space between the second mandrel 20 and the conductive contact finger tubular blank 60 by the mouth cylindrical part 1 of conductive contact finger tubular blank 60, again latter half core 22 is inserted in the second mandrel 20 with connecting bolt 23 respectively with first half core 21 in two first core rod 21-1 and two second core rod 21-2 is corresponding is connected and fixed, at last reinforcing cover 30 is enclosed within the rear end of the second mandrel 20 and holds out against with pressure-loaded mechanism.In the present embodiment, this pressure-loaded mechanism adopts existing tailstock centre on the spinning machine.Start spinning machine, the chuck 10 of spinning machine drives the conductive contact finger tubular blank 60 axis High Rotation Speeds along the second mandrel 20 by the second mandrel 20, then aim at the circumferential groove in its end portion of the second mandrel surface along the rotary pressing processing of the second mandrel 20 propelling realizations to conductive contact finger tubular blank 60 neck parts 2 with spinning wheel 40, in the time of spinning, with tailstock centre along the axis of the second mandrel 20 to the conductive contact finger tubular blank 60 continual axial compressive forces that apply, thereby making material be spun the part of taking turns 40 tension-thinings to conductive contact finger tubular blank 60 neck parts 2 after being subject to axial compressive force flows, avoid conductive contact finger neck part 2 the barrel attenuation phenomenon that is stretched when spinning, to occur, guarantee that the thickness of conductive contact finger neck part barrel thinnest part is greater than 3 millimeters, thereby effectively guaranteed the through-current capability of conductive contact finger, make this conductive contact finger meet in 1,000,000 volts of power transmission and transformation lines requirement to bypass isolating switch conductive contact finger passage section effective area, for having established solid foundation by the electric current of 6300A smoothly.
The present invention is not limited to above-described embodiment, and the core rod in the second above-mentioned core also can wholely adopt friable material or low melting material to make, and can make the core fusing realize form removal by direct orcible entry core or mode of heating after extracting the second mandrel out during form removal; If the body section of conductive contact finger tubular blank is the identical tubular structure of internal diameter with the bottle bottom, its corresponding first half core also can adopt the cylindrical structure that is set on the second mandrel, be located at the ring platform that the second mandrel front end cooperates with conductive contact finger tubular blank block and adopt the thread connecting mode spinning on the second mandrel, the first half core is directly extracted out after can laying down the ring platform during form removal; Be used for to adopt the pressure-loaded mechanism that the afterburning cover of annular applies driving force the mechanism of the cylinder established in addition, hydraulic cylinder, electric cylinder; The second mandrel also can adopt square axis or six room axles etc., guiding sliding matching structure between afterburning cover and the second mandrel can also adopt on the second mandrel free end end face axially offers pilot hole, the coaxial fixing axis of guide that is slidingly matched with the pilot hole guiding on the reinforcing cover; Afterburning cover can also radially be fixed for the end plate that cooperates with pressure-loaded mechanism pushing tow away from an end of the second mandrel, and it is all within protection scope of the present invention.
In actual applications, the twice manufacturing procedure of the above-mentioned rotary pressing processing conductive contact finger body section that is respectively applied to and bottle bottom and rotary pressing processing conductive contact finger neck part and mouth cylindrical part also can adopt reverse order processing, namely process first mouth cylindrical part and the neck part of conductive contact finger, the body section of reprocessing conductive contact finger and bottle bottom, in the concrete processing, before the first core that provides for first step shaping conductive contact finger mouth cylindrical part and neck part is divided into according to the position of conductive contact finger neck part 2, rear two parts, the front end of first half core is coaxial to be wholely set for the clamping part that grips with the spinning machine chuck, and on the outer peripheral face of this first half core, radially be convexly equipped with the ring platform that cooperates for the axial block of conductive contact finger tubular blank, coaxial guiding slidable fit is used for conductive contact finger tubular blank is applied the reinforcing cover of axial compressive force in the rear end of latter half core, before, be connected by bolt between rear two parts core, before the circumferential groove in its end portion that is used for coincideing with the conductive contact finger neck part is opened in, on the outer peripheral face of rear two parts core junction, the anchor ring that is used for coincideing with the conductive contact finger mouth cylindrical part is located at the latter half core.For the second core and second core mold structure in above-described embodiment of shaping conductive contact finger body section and bottle bottom similar, it all has one and is used for coaxial the second mandrel that is located in conductive contact finger tubular blank, on the second mandrel, be arranged with respectively for support and connection at the first half core rod of conductive contact finger tubular blank mouth cylindrical part with for the latter half core rod of support and connection in conductive contact finger tubular blank body section and bottle bottom, front, offer the circumferential groove in its end portion of coincideing with conductive contact finger neck part internal face on the outer peripheral face of rear two parts core rod joint portion, for ease of form removal, latter half core rod wherein adopts valvular structure equally, the concrete structure of this flap core rod and the first half core rod in above-described embodiment are basic identical, surround by a pair of relatively symmetrically arranged the first core rod and a pair of relative symmetrically arranged the second core rod are staggered, repeat no more herein.
The present invention is divided into two procedures with the processing of conductive contact finger, every procedure is finished respectively conductive contact finger neck part and mouth cylindrical part and the conductive contact finger body section mould pressing bottom bottle, thereby efficiently solve in the spinning process conductive contact finger barrel attenuation phenomenon that is stretched, reduced the processing cost of product, guaranteed the effective area of conductive contact finger passage section, for bypass isolating switch has been established solid foundation by the 6300A electric current smoothly.
Claims (8)
1. the spinning processing method of a conductive contact finger is characterized in that, the method comprises twice rotary pressing processing operation: 1., the mould pressing of conductive contact finger body section and bottle bottom, and 2., the mould pressing of conductive contact finger neck part and mouth cylindrical part; Wherein, the rotary pressing processing operation of conductive contact finger body section and bottle bottom is conductive contact finger tubular blank to be sleeved on the first core also pacify to spinning machine, this first core has the butt annular conical surface that coincide with conductive contact finger body section internal face and is provided with the anchor ring that coincide with conductive contact finger bottle bottom interior wall face at the miner diameter end of butt annular conical surface, when spinning machine drove conductive contact finger tubular blank and rotate along axis by the first core, spinning wheel moves and radially conductive contact finger tubular blank applied radial pressure along mouth cylindrical part to the bottle bottom direction of conductive contact finger finished a shaping bottom conductive contact finger body section and the bottle; The mould pressing operation of conductive contact finger neck part may further comprise the steps: be installed on the spinning machine after being sleeved on the tubular blank of conductive contact finger on the second core, this second core has the circumferential groove in its end portion of coincideing with conductive contact finger neck part internal face, spinning machine drives the tubular blank along the axis rotation of core by the second core, spinning wheel is synchronously along the second core mandrel to mobile and radially conductive contact finger tubular blank is applied radial pressure along the second mandrel, simultaneously, from one end to the other side conductive contact finger tubular blank is applied axial compressive force by pressure-loaded mechanism along the axis of the second core, thereby change flow of material to, guarantee the shaping of conductive contact finger neck part.
2. conductive contact finger spinning processing method according to claim 1 is characterized in that, the first step is passed through first body section and the bottle bottom of the mould pressing operation shaping conductive contact finger of conductive contact finger body section and bottle bottom in the described two procedures; Second step is used the rotary pressing processing operation shaping conductive contact finger neck part of conductive contact finger neck part again.
3. one kind is exclusively used in and implements the as claimed in claim 1 conductive contact finger spinning processing device of conductive contact finger spinning processing method, it is characterized in that, comprise the first core and the second core, the outer surface of described the first core is provided with for coincideing with conductive contact finger tubular blank body section internal face and supports the butt annular conical surface that cooperates, the miner diameter end of butt annular conical surface also be provided with for the conductive contact finger tubular blank bottle bottom interior wall face anchor ring that support cooperates that coincide; The outer surface of described the second core is provided with for the circumferential groove in its end portion that cooperates shaping conductive contact finger neck part with spinning wheel, be provided with for the block position limiting structure that cooperates with the axial block in the corresponding end of conductive contact finger tubular blank at the front end of the second core, be provided with in the rear end of the second core under driving in pressure-loaded mechanism along the core mandrel to the afterburning cover of annular that the corresponding end of conductive contact finger tubular blank is applied axial compressive force.
4. conductive contact finger spinning processing device according to claim 3, it is characterized in that, the afterburning cover of described annular comprises the guide part that cooperates with the second core guiding slip sleeve and the connecting portion of pressure-loaded mechanism that is used for being in transmission connection, guide part away from the front end of connecting portion be provided with for the end cap of the corresponding end of conductive contact finger tubular blank pushing tow cooperation.
5. according to claim 3 or 4 described conductive contact finger spinning processing devices, it is characterized in that, described the first core in the bigger diameter end of butt annular conical surface also be provided with for conductive contact finger mouth cylindrical part internal face coincide support the anchor ring that cooperates and this anchor ring away from the front end radial convex of butt annular conical surface be provided with for the spacing ring platform that cooperates of the axial block of conductive contact finger tubular blank; Described the second core comprises for coaxial the second mandrel that is installed on conductive contact finger tubular blank and is used for being supported on core rod between the second mandrel outer peripheral face and the conductive contact finger tubular blank internal face, described core rod connects to form by the first half that is used for cooperating with conductive contact finger tubular blank bottle bottom and the support of body section and for supporting the latter half two parts that cooperate with conductive contact finger tubular blank mouth cylindrical part in the axial direction, and described circumferential groove in its end portion is opened in forward and backward two-part junction.
6. conductive contact finger spinning processing device according to claim 5, it is characterized in that, the first half of described core rod is provided with for the annulus section that cooperates with conductive contact finger tubular blank bottle bottom support and for supporting with conductive contact finger tubular blank body section and cooperates, the frusto-conical portion that diameter is increased to the bottleneck direction gradually by annulus section, this first half core upwards consists of valvular structure by a pair of relatively symmetrically arranged the first core rod with a pair of relative symmetrically arranged the second core rod in week, the outer surface of described the first core rod and the second core rod be equipped with for the coincide arc surface that cooperates and being used for and the identical frusto-conical face that cooperates of body section internal face of conductive contact finger tubular blank of the bottle bottom interior wall face of conductive contact finger tubular blank, the outer surface of the outer surface of described two first core rods and two second core rods surrounds circle, the inner surface of described two first core rods is opposing parallel and the plane tangent with the second mandrel outer peripheral face, and the inner surface of described two second core rods is by forming with the plane of two first core rod inner surfaces applying and with the identical arc surface that cooperates of the second mandrel outer peripheral face respectively.
7. conductive contact finger spinning mold according to claim 6 is characterized in that, described two first core rods and two second core rods are fixedly connected with the latter half core rod by connecting bolt respectively.
8. conductive contact finger spinning mold according to claim 5 is characterized in that, the guide part of the afterburning cover of described annular and the second core back-end slip sleeve that leads cooperates.
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| CN201210340288.8A CN102941270B (en) | 2012-09-14 | 2012-09-14 | The spin-on process of conductive contact finger and supporting spinning processing device |
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| CN201210340288.8A CN102941270B (en) | 2012-09-14 | 2012-09-14 | The spin-on process of conductive contact finger and supporting spinning processing device |
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| CN106001554A (en) * | 2016-06-29 | 2016-10-12 | 航天材料及工艺研究所 | Preparation method for rhenium-iridium combustion chamber |
| CN109834149A (en) * | 2019-04-11 | 2019-06-04 | 山东崇盛冶金氧枪有限公司 | A kind of blast furnace tuyere small sleeve preceding cap spin forming device and its technique |
| CN110323092A (en) * | 2019-06-10 | 2019-10-11 | 平高集团有限公司 | A kind of moving arcing contact handling tooling |
| CN113967685A (en) * | 2020-07-24 | 2022-01-25 | 张明涛 | Die structure for multi-cell superconducting cavity spinning forming and moving-out method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106001554A (en) * | 2016-06-29 | 2016-10-12 | 航天材料及工艺研究所 | Preparation method for rhenium-iridium combustion chamber |
| CN106001554B (en) * | 2016-06-29 | 2018-06-01 | 航天材料及工艺研究所 | A kind of preparation method of rhenium iridium combustion chamber |
| CN109834149A (en) * | 2019-04-11 | 2019-06-04 | 山东崇盛冶金氧枪有限公司 | A kind of blast furnace tuyere small sleeve preceding cap spin forming device and its technique |
| CN109834149B (en) * | 2019-04-11 | 2021-08-27 | 山东崇盛冶金氧枪有限公司 | Front cap spinning forming equipment for blast furnace tuyere small sleeve and process thereof |
| CN110323092A (en) * | 2019-06-10 | 2019-10-11 | 平高集团有限公司 | A kind of moving arcing contact handling tooling |
| CN113967685A (en) * | 2020-07-24 | 2022-01-25 | 张明涛 | Die structure for multi-cell superconducting cavity spinning forming and moving-out method thereof |
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