CN101837383A - Squeezing device for continuous rapid shaping burnishing sleeve - Google Patents
Squeezing device for continuous rapid shaping burnishing sleeve Download PDFInfo
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- CN101837383A CN101837383A CN 201010201266 CN201010201266A CN101837383A CN 101837383 A CN101837383 A CN 101837383A CN 201010201266 CN201010201266 CN 201010201266 CN 201010201266 A CN201010201266 A CN 201010201266A CN 101837383 A CN101837383 A CN 101837383A
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Abstract
The invention discloses a squeezing device for a continuous rapid shaping burnishing sleeve, which comprises a burnishing core mold (1), a punch (2) and a burnishing cover mold (3). The technical scheme is as follows: the device which comprises the burnishing core mold, the punch and the burnishing cover mold saves a mold stripping process and carries out squeezing shaping on a sleeve blank piece in a continuous manner that is characterized by being end to end, ejecting from the top and coming out from the bottom and passing through easily, and the problems and defects of low efficiency, high cost and high failure rate existing in the prior art are solved. The squeezing device for the continuous rapid shaping burnishing sleeve ensures the processing of the shaping burnishing sleeve to achieve the aims of improving the efficiency, reducing the cost and having no failure in the continuous working manner.
Description
Technical field
The present invention relates to the process unit that axle sleeve is produced, specifically be meant the production that is used for axle sleeve, can be with the pressurizing unit of a kind of continuous rapid shaping burnishing sleeve of the axle sleeve blank continuous rapid shaping press polish moulding of punching out.
Background technology
Bearing shell is a kind of sliding bearing, and axle sleeve is a bearing shell of making the full circle tubular.When axle sleeve is produced, earlier the bearing shell composite strip steel is rolled into columnar axle sleeve blank through dashing, again by pressurizing unit to the shape of axle sleeve blank carry out squeezing shaping, internally outer tube wall carries out burnishing-in and handles and make the axle sleeve moulding.
The pressurizing unit of prior art is made up of drift, burnishing-in cover die, burnishing-in core; drift is positioned on the punch press ram; the burnishing-in cover die is positioned on the punch press workbench; during work; the axle sleeve blank is packed in the burnishing-in cover die; the burnishing-in core is inserted the top bead of axle sleeve blank endoporus; dash under the punch press ram; the inner chamber that drift passes the axle sleeve blank with the extruding downwards of burnishing-in core is finished the shaping burnishing processing; afterwards; again by being located at the mould emptier of burnishing-in cover die bottom, the axle sleeve after the shaping burnishing moulding being ejected from the burnishing-in cover die from bottom to top finish the demoulding.The processing of above-mentioned shaping burnishing sleeve must can be taken out axle sleeve through the demoulding after each shaping burnishing is handled, thereby reduced production efficiency from the burnishing-in cover die; In addition, the burnishing-in cover die must be provided with mould emptier, thereby has increased the manufacturing cost of mould; In actual production, often because of the mould emptier fault gets stuck, and handling failure, eliminating get stuck must labor intensive man-hour, make that producing integrated cost increases; Therefore, there are the problems and shortcomings that efficient is low, cost is high, fault rate is high in prior art.
Summary of the invention
Problems and shortcomings at above-mentioned prior art existence, the device that the present invention adopts burnishing-in core, drift, burnishing-in cover die to form, save knockout course, the technical scheme of go out with under from beginning to end in succession, upward pushing up, a continuation mode of wearing promptly carrying out squeezing shaping to the axle sleeve blank, a kind of pressurizing unit of continuous rapid shaping burnishing sleeve is provided, is intended to the processing of shaping burnishing sleeve to be reached and raises the efficiency, reduce cost, trouble-free purpose by continuously-running duty.
The object of the present invention is achieved like this: a kind of pressurizing unit of continuous rapid shaping burnishing sleeve, comprise burnishing-in core, drift, burnishing-in cover die, wherein: described burnishing-in core serve as reasons guiding joint, down changeover portion, burnishing-in joint, go up many steps of concentric high-speed tool steel column of changeover portion, flange joint, the section of accepting formation; Wherein, the guiding joint is positioned at the lower end of burnishing-in core, is that one section diameter is slightly less than the moulding sleeve diameter, and length is the cylindrical step of 0.25 times of moulding sleeve length; Be provided with radius between the lower surface of guiding joint and the cylinder and be 1～3 millimeter transition arc; Following changeover portion is positioned at the top of guiding joint, is little big under one section diameter, and length is the truncated cone step of 0.8 times of moulding sleeve length; The bottom top diameter of following changeover portion is less than the diameter of described guiding joint, the equal diameters that the top diameter at butt end of following changeover portion and described burnishing-in save; The burnishing-in joint is positioned at the top of changeover portion down, is the internal diameter that one section diameter equals the moulding axle sleeve, and length is 3～4 millimeters, ganoid cylindrical step; Smooth transition between burnishing-in joint and the following changeover portion; Last changeover portion is positioned at the top of burnishing-in joint, is big little under one section diameter, and length is the truncated cone step of 1.25 times of moulding sleeve lengths; The equal diameters of the bottom diameter at butt end of last changeover portion and described burnishing-in joint, and with burnishing-in joint smooth transition; Flange joint is positioned at the top of changeover portion, be one section diameter greater than the internal diameter of moulding axle sleeve, and the internal diameter of described burnishing-in cover die lining be slidingly matched, length is 5～10 millimeters cylindrical step; The section of accepting is positioned at the top of flange joint, is that one section diameter is slightly less than the moulding sleeve diameter, the cylindrical step of length and moulding axle sleeve equal in length; Be provided with chamfering between the upper surface of the section of accepting and the cylinder;
Described drift by die shank, towards core, dash cover, spring constitutes, wherein, die shank is positioned at the top of drift, is up-small and down-big concentric column step steel components; The edge of the upper and lower end face of the big step body of die shank bottom is arranged with two vertical up and down dull caster bed rank through holes; Center, die shank lower surface links to each other with described upper surface towards core; The small stair body diameter on die shank top and the die shank hole of punch press ram are slidingly matched; Be positioned at the center, below of die shank towards core, be the steel components of up big and down small three grades of concentric column steps; Be slightly less than the internal diameter of moulding axle sleeve towards the small stair body diameter of core bottom, and lower end is provided with chamfering; Internal diameter towards the lining of core middle bench body diameter and described burnishing-in cover die is slidingly matched; Towards the diameter of the big step body on core top the shortest hole wall distance less than the aperture, lower end of the dull caster bed rank through hole of described die shank; Dash and overlap the below that is positioned at towards core, be provided with the cylindrical steel member of up big and down small step cutting pattern through hole for the center; The diameter that dashes cover top great circle stepped hole diameter and described big step body towards core top is slidingly matched, and the degree of depth equals the height sum towards the compressive state of the thickness of the big step body on core top and described spring; Dash cover bottom roundlet stepped hole diameter and describedly be slidingly matched towards core middle bench body diameter; The aperture, lower end that dashes cover bottom roundlet stepped hole is provided with the chamfering that is slightly larger than the shaping axle sleeve wall thickness; The upper surface that dashes cover is provided with the corresponding tapped blind hole of dull caster bed rank through hole with described die shank; Spring is a cylindroid helical-coil compression spring; Towards core middle bench body diameter, the external diameter of spring is less than the described cover top great circle stepped hole diameter that dashes greater than described for the internal diameter of spring;
Be positioned at the below of die shank towards core, link to each other with die shank lower surface center fixation towards center, core upper surface; Spring places the great circle stepped hole that dashes cover, lower end towards the small stair body of core, the roundlet stepped hole that pass spring, dashes cover stretches out the lower surface that dashes cover downwards, is positioned at spring center towards core middle bench body, is being dashed in the great circle stepped hole of cover 23 towards the big step body of core to pop-up by spring; Dash between cover and the die shank, the dull caster bed rank through hole that passes die shank by hexagon socket head cap screw fixedly is screwed into the tapped blind hole that dashes cover, and telescopically links to each other; Towards the deep equality of the scalable distance between cover and the die shank with the arc transition of described burnishing-in cover die lining; When spring was unfolded attitude, the length of stretching out the lower surface that dashes cover towards the lower ends downward of core was 2/3 of moulding sleeve length;
Described burnishing-in cover die is the tubular steel components of cylinder heavy wall of the center fixation lining that is provided with carbide alloy; The bottom of burnishing-in cover die is provided with the backing stepped hole that stops that lining glides, and the diameter of backing stepped hole is greater than the internal diameter of lining, less than the external diameter of lining; The internal diameter of lining equals the external diameter of moulding axle sleeve, and internal face is smooth; The upper edge hole of lining inwall is provided with the smooth arc transition of one section up big and down small toroidal; The height of lining is 2 times of moulding sleeve length.
Operation principle
During application, drift is fixed on the ram of punch press, and the burnishing-in cover die is fixed on the punch press workbench.
The first step:
At first first axle sleeve blank is vertically inserted in the arc transition of lining of burnishing-in cover die, dash under the punch press ram, drift stretches out in the core that dashes that dashes the cover lower surface downwards and takes the lead in inserting in the axle sleeve blank endoporus, corrects axle sleeve blank perpendicular attitude; Along with the following of drift dashes, the chamfering of dashing cover roundlet step aperture, lower surface is enclosed within the upper end of axle sleeve blank, the port of positioning stablity axle sleeve blank; Then, in upper edge hole the endoporus to press to lining arc transition under of core middle bench body with the axle sleeve blank; At this moment, the interior outside dimension of axle sleeve blank is squeezed and shrinks and be tightened in the endoporus under the arc transition of lining; Afterwards, the punch press ram upwards resets, and extracts out from the endoporus of axle sleeve blank towards core;
Second step:
Endoporus with first the axle sleeve blank of burnishing-in core insert division in lining, the section of accepting that second axle sleeve blank is inserted in the burnishing-in core, at this moment, be in the upper edge hole of axle sleeve blank endoporus greater than the interior hole dimension of axle sleeve blank owing to the size of burnishing-in joint, guiding joint, following changeover portion enter the endoporus of axle sleeve blank, the perpendicular attitude of having corrected the burnishing-in core thus;
The punch press ram dashes down once more, and this to lower compression burnishing-in core, makes the extruding of burnishing-in joint pass the endoporus of first axle sleeve blank towards core; Because lining is to the restriction of axle sleeve blank outer wall, the axle sleeve blank press shape, size generation plastic deformation and the moment typing of lining, burnishing-in joint, and the inner hole wall of axle sleeve blank rubs because of being squeezed and hardens bright and cleanly simultaneously, and the axle sleeve blank promptly is shaped to the moulding axle sleeve thus;
Dash under the continuation along with drift, the flange joint of burnishing-in core touches the upper surface of moulding axle sleeve, with the moulding axle sleeve that is enclosed within on the last changeover portion of burnishing-in core, squeeze out the aperture, lower end of lining downwards and the demoulding, this process makes the be squeezed friction and harden bright and clean of the outer wall of moulding axle sleeve; Meanwhile, towards core middle bench body again with in the endoporus of second axle sleeve blank upper edge hole under pressing to the lining arc transition; Afterwards, repeat the second step process, so go round and begin again, can continuously carry out shaping burnishing one by one and handle axle sleeve.
Elastic dilatation can take place in the moulding axle sleeve that still is enclosed within after the demoulding on the last changeover portion of burnishing-in core, hole dimension is expanded to and burnishing-in joint size interference fits in it, but still remain within the permission fit tolerance scope of moulding sleeve size, so get final product from the reverse taking-up moulding of burnishing-in core axle sleeve; During actual production, some burnishing-in core turnovers of purchasing are used.
Beneficial effect
This device is applicable to that seam does not have the continuous shaping burnishing processing of shoulder axle sleeve.
Above-mentioned, the device that the present invention adopts burnishing-in core, drift, burnishing-in cover die to form, save knockout course, the technical scheme of go out with under from beginning to end in succession, upward pushing up, a continuation mode of wearing promptly carrying out squeezing shaping to the axle sleeve blank, overcome prior art and had the problems and shortcomings that efficient is low, cost is high, fault rate is high, the pressurizing unit of a kind of continuous rapid shaping burnishing sleeve that is provided, the mode by continuous operation has reached the processing of shaping burnishing sleeve and raises the efficiency, reduces cost, trouble-free purpose.
Description of drawings
Fig. 1 is the pressurizing unit of continuous rapid shaping burnishing sleeve of the present invention, the structural representation that working group is fashionable;
Fig. 2 is the structural representation of parts burnishing-in core of the pressurizing unit of continuous rapid shaping burnishing sleeve of the present invention;
Fig. 3 is the structural representation of parts drift of the pressurizing unit of continuous rapid shaping burnishing sleeve of the present invention;
Fig. 4 is the structural representation of parts burnishing-in cover die of the pressurizing unit of continuous rapid shaping burnishing sleeve of the present invention;
Fig. 5 is the pressurizing unit of continuous rapid shaping burnishing sleeve of the present invention, is operated in the schematic diagram of loading onto first axle sleeve blank tense;
Fig. 6 is the pressurizing unit of continuous rapid shaping burnishing sleeve of the present invention, is operated in first axle sleeve blank is pressed into the burnishing-in cover die schematic diagram of tense before;
Fig. 7 is the pressurizing unit of continuous rapid shaping burnishing sleeve of the present invention, is operated in first axle sleeve blank is pressed into the burnishing-in cover die schematic diagram of tense afterwards;
Fig. 8 is the pressurizing unit of continuous rapid shaping burnishing sleeve of the present invention, is operated in first axle sleeve blank schematic diagram of tense is before passed in the extruding of burnishing-in core;
Fig. 9 is the pressurizing unit of continuous rapid shaping burnishing sleeve of the present invention, is operated in first axle sleeve blank schematic diagram of tense is afterwards passed in the extruding of burnishing-in core.
Below in conjunction with the embodiment in the accompanying drawing the present invention is described in further detail, but should not be construed as any limitation of the invention.
Among the figure: burnishing-in core 1, guiding joint 11, down changeover portion 12, burnishing-in joint 13, go up changeover portion 14, flange joint 15, the section of accepting 16, drift 2, die shank 21, towards core 22, dash overlap 23, spring 24, burnishing-in cover die 3, lining 31, axle sleeve blank 01, moulding axle sleeve 02.
The specific embodiment
Consult Fig. 1～Fig. 9, the pressurizing unit of a kind of continuous rapid shaping burnishing sleeve of the present invention, comprise burnishing-in core 1, drift 2, burnishing-in cover die 3, wherein: described burnishing-in core 1 serve as reasons guiding joint 11, down changeover portion 12, burnishing-in joint 13, go up many steps of concentric high-speed tool steel column of changeover portion 14, flange joint 15, the section of accepting 16 formations; Wherein, guiding joint 11 is positioned at the lower end of burnishing-in core, is that one section diameter is slightly less than moulding axle sleeve 02 internal diameter, and length is the cylindrical step of 0.25 times of moulding axle sleeve 02 length; Be provided with radius between the lower surface of guiding joint 11 and the cylinder and be 1～3 millimeter transition arc; Following changeover portion 12 is positioned at the top of guiding joint 11, is little big under one section diameter, and length is the truncated cone step of 0.8 times of moulding axle sleeve 02 length; The bottom top diameter of following changeover portion 12 is less than the diameter of described guiding joint 11, and the top diameter at butt end of following changeover portion 12 and described burnishing-in save 13 equal diameters; Burnishing-in joint 13 is positioned at the top of changeover portion 12 down, is the internal diameter that one section diameter equals moulding axle sleeve 02, and length is 3～4 millimeters, ganoid cylindrical step; Smooth transition between burnishing-in joint 13 and the following changeover portion 12; Last changeover portion 14 is positioned at the top of burnishing-in joint 13, is big little under one section diameter, and length is the truncated cone step of 1.25 times of moulding axle sleeve 02 length; The bottom diameter at butt end of last changeover portion 14 and described burnishing-in save 13 equal diameters, and save 13 smooth transition with burnishing-in; Flange joint 15 is positioned at the top of changeover portion 14, be one section diameter greater than the internal diameter of moulding axle sleeve 02, and the internal diameter of described burnishing-in cover die 3 linings 31 be slidingly matched, length is 5～10 millimeters cylindrical step; The section of accepting 16 is positioned at the top of flange joint 15, is that one section diameter is slightly less than moulding axle sleeve 02 internal diameter, the cylindrical step of length and moulding axle sleeve 02 equal in length; Be provided with chamfering between the upper surface of the section of accepting 16 and the cylinder;
Described drift 2 by die shank 21, towards core 22, dash cover 23, spring 24 constitutes, wherein, die shank 21 is positioned at the top of drift, is up-small and down-big concentric column step steel components; The edge of the upper and lower end face of the big step body of die shank 21 bottoms is arranged with two vertical up and down dull caster bed rank through holes; Center, die shank 21 lower surface links to each other with described upper surface towards core 22; The small stair body diameter on die shank 21 tops and the die shank hole of punch press ram are slidingly matched; Be positioned at the center, below of die shank 21 towards core 22, be the steel components of up big and down small three grades of concentric column steps; Be slightly less than the internal diameter of moulding axle sleeve 02 towards the small stair body diameter of core 22 bottoms, and lower end is provided with chamfering; Internal diameter towards the lining 31 of core 22 middle bench body diameters and described burnishing-in cover die 3 is slidingly matched; Towards the diameter of the big step body on core 22 tops the shortest hole wall distance less than the aperture, lower end of the dull caster bed rank through hole of described die shank 2; Dash cover 23 and be positioned at, be provided with the cylindrical steel member of up big and down small step cutting pattern through hole for the center towards the below of core 22; The diameter that dashes cover 23 top great circle stepped hole diameters and described big step body towards core 22 tops is slidingly matched, and the degree of depth equals towards the height sum of the compressive state of the thickness of the big step body on core 22 tops and described spring 24; Dash cover 23 bottom roundlet stepped hole diameters and describedly be slidingly matched towards core 22 middle bench body diameters; The aperture, lower end that dashes cover 23 bottom roundlet stepped holes is provided with the chamfering that is slightly larger than moulding axle sleeve 02 wall thickness; The upper surface that dashes cover 23 is provided with the corresponding tapped blind hole of dull caster bed rank through hole with described die shank 21; Spring 24 is a cylindroid helical-coil compression spring; Towards core 22 middle bench body diameters, the external diameter of spring 24 is less than the described cover 23 top great circle stepped hole diameters that dash greater than described for the internal diameter of spring 24;
Be positioned at the below of die shank 21 towards core 22, link to each other with die shank 21 lower surface center fixation towards center, core 22 upper surface; Spring 24 places the great circle stepped hole that dashes cover 23, lower end towards the small stair body of core 22, pass spring 24, stretch out the lower surface that dashes cover 23 towards the roundlet stepped hole that overlaps 23 downwards, be positioned at spring 24 centers towards core 22 middle bench bodies, dashed in the great circle stepped hole of cover 23 to pop-up by spring 24 towards the big step body of core 22; Dash between cover 23 and the die shank 21, the dull caster bed rank through hole that passes die shank 21 by hexagon socket head cap screw fixedly is screwed into the tapped blind hole that dashes cover 23, and telescopically links to each other; Towards the deep equality of the scalable distance between cover 23 and the die shank 21 with the arc transition of described burnishing-in cover die 3 linings 31; When spring 24 was unfolded attitude, the length of stretching out the lower surface that dashes cover 23 towards the lower ends downward of core 22 was 2/3 of moulding axle sleeve 02 length;
Described burnishing-in cover die 3 is provided with the tubular steel components of cylinder heavy wall of the lining 31 of carbide alloy for center fixation; The bottom of burnishing-in cover die is provided with the backing stepped hole that stops that lining 31 glides, and the diameter of backing stepped hole is greater than the internal diameter of lining 31, less than the external diameter of lining 31; The internal diameter of lining 31 equals the external diameter of moulding axle sleeve 02, and internal face is smooth; The upper edge hole of lining 31 inwalls is provided with the smooth arc transition of one section up big and down small toroidal; The height of lining 31 is 2 times of moulding axle sleeve 02 length.
Operation principle
During application, drift 2 is fixed on the ram of punch press, and burnishing-in cover die 3 is fixed on the punch press workbench.
The first step:
At first first axle sleeve blank 01 is vertically inserted in the arc transition of lining 31 of burnishing-in cover die 3, dash under the punch press ram, drift 2 stretches out in the core 22 that dashes that dashes cover 23 lower surfaces downwards and takes the lead in inserting in axle sleeve blank 01 endoporus, corrects axle sleeve blank 01 perpendicular attitude; Along with the following of drift 2 dashes, the chamfering of dashing cover roundlet step aperture, 23 lower surface is enclosed within the upper end of axle sleeve blank 01, the port of positioning stablity axle sleeve blank 01; Then, in upper edge hole the endoporus to press to lining 31 arc transition under of core 22 middle bench bodies with axle sleeve blank 01; At this moment, the interior outside dimension of axle sleeve blank 01 is squeezed and shrinks and be tightened in the endoporus under the arc transition of lining 31; Afterwards, the punch press ram upwards resets, and extracts out from the endoporus of axle sleeve blank 01 towards core 22;
Second step:
Endoporus with first the axle sleeve blank 01 of burnishing-in core 1 insert division in lining 31, second axle sleeve blank 01 is inserted in the section of accepting 16 of burnishing-in core 1, at this moment, be in the upper edge hole of axle sleeve blank 01 endoporus greater than the interior hole dimension of axle sleeve blank 01 owing to the size of burnishing-in joint 13, guiding joint 11, following changeover portion 12 enter the endoporus of axle sleeve blank 01, the perpendicular attitude of having corrected burnishing-in core 1 thus;
The punch press ram dashes down once more, and this to lower compression burnishing-in core 1, makes 13 extruding of burnishing-in joint pass the endoporus of first axle sleeve blank 01 towards core 22; Because the restriction of 31 pairs of axle sleeve blank 01 outer walls of lining, axle sleeve blank 01 is pressed shape, size generation plastic deformation and the moment typing of lining 31, burnishing-in joint 13, simultaneously the inner hole wall of axle sleeve blank 01 rubs because of being squeezed and hardens bright and cleanly, and axle sleeve blank 01 promptly is shaped to moulding axle sleeve 02 thus;
Dash under the continuation along with drift 2, the flange joint 15 of burnishing-in core 1 touches the upper surface of moulding axle sleeve 02, with the moulding axle sleeve 02 that is enclosed within on the last changeover portion 14 of burnishing-in core 1, squeeze out the aperture, lower end of lining 31 downwards and the demoulding, this process makes the be squeezed friction and harden bright and clean of the outer wall of moulding axle sleeve 02; Meanwhile, towards core 22 middle bench bodies again with in the endoporus of second axle sleeve blank 01 upper edge hole under pressing to lining 31 arc transition; Afterwards, repeat the second step process, so go round and begin again, can continuously carry out shaping burnishing one by one and handle axle sleeve.
Elastic dilatation can take place in the moulding axle sleeve 02 that still is enclosed within after the demoulding on the last changeover portion 14 of burnishing-in core 1, hole dimension is expanded to burnishing-in and saves 13 size interference fits in it, but still remain within the permission fit tolerance scope of moulding axle sleeve 02 size, so get final product from burnishing-in core 1 reverse taking-up moulding axle sleeve 02; During actual production, some burnishing-in core 1 turnovers of purchasing are used.
Claims (1)
1. the pressurizing unit of a continuous rapid shaping burnishing sleeve, comprise burnishing-in core (1), drift (2), burnishing-in cover die (3), it is characterized in that: described burnishing-in core (1) serve as reasons guiding joint (11), down changeover portion (12), burnishing-in joint (13), go up many steps of concentric high-speed tool steel column of changeover portion (14), flange joint (15), the section of accepting (16) formation; Wherein, guiding joint (11) is positioned at the lower end of burnishing-in core, is that one section diameter is slightly less than moulding axle sleeve (02) internal diameter, and length is the cylindrical step of 0.25 times of moulding axle sleeve (02) length; Be provided with radius between the lower surface of guiding joint (11) and the cylinder and be 1～3 millimeter transition arc; Following changeover portion (12) is positioned at the top of guiding joint (11), is little big under one section diameter, and length is the truncated cone step of 0.8 times of moulding axle sleeve (02) length; The bottom top diameter of following changeover portion (12) saves the diameter of (11) less than described guiding, the equal diameters of the top diameter at butt end of following changeover portion (12) and described burnishing-in joint (13); Burnishing-in joint (13) is positioned at the top of changeover portion (12) down, is the internal diameter that one section diameter equals moulding axle sleeve (02), and length is 3～4 millimeters, ganoid cylindrical step; Smooth transition between burnishing-in joint (13) and the following changeover portion (12); Last changeover portion (14) is positioned at the top of burnishing-in joint (13), is big little under one section diameter, and length is the truncated cone step of 1.25 times of moulding axle sleeves (02) length; The bottom diameter at butt end of last changeover portion (14) and described burnishing-in save the equal diameters of (13), and save (13) smooth transition with burnishing-in; Flange joint (15) is positioned at the top of changeover portion (14), be one section diameter greater than the internal diameter of moulding axle sleeve (02), and the internal diameter of described burnishing-in cover die (3) lining (31) be slidingly matched, length is 5～10 millimeters cylindrical step; The section of accepting (16) is positioned at the top of flange joint (15), is that one section diameter is slightly less than moulding axle sleeve (02) internal diameter, the cylindrical step of length and moulding axle sleeve (02) equal in length; Be provided with chamfering between the upper surface of the section of accepting (16) and the cylinder;
Described drift (2) is by die shank (21), towards core (22), towards cover (23), spring (24) formation, and wherein, die shank (21) is positioned at the top of drift, is up-small and down-big concentric column step steel components; The edge of the upper and lower end face of the big step body of die shank (21) bottom is arranged with two vertical up and down dull caster bed rank through holes; Die shank (21) center, lower surface links to each other with described upper surface towards core (22); The small stair body diameter on die shank (21) top and the die shank hole of punch press ram are slidingly matched; Be positioned at the center, below of die shank (21) towards core (22), be the steel components of up big and down small three grades of concentric column steps; Be slightly less than the internal diameter of moulding axle sleeve (02) towards the small stair body diameter of core (22) bottom, and lower end is provided with chamfering; Internal diameter towards the lining (31) of core (22) middle bench body diameter and described burnishing-in cover die (3) is slidingly matched; Towards the diameter of the big step body on core (22) top the shortest hole wall distance less than the aperture, lower end of the dull caster bed rank through hole of described die shank (2); Dash cover (23) and be positioned at, be provided with the cylindrical steel member of up big and down small step cutting pattern through hole for the center towards the below of core (22); The diameter that dashes cover (23) top great circle stepped hole diameter and described big step body towards core (22) top is slidingly matched, and the degree of depth equals towards the height sum of the compressive state of the thickness of the big step body on core (22) top and described spring (24); Dash cover (23) bottom roundlet stepped hole diameter and describedly be slidingly matched towards core (22) middle bench body diameter; The aperture, lower end that dashes cover (23) bottom roundlet stepped hole is provided with the chamfering that is slightly larger than moulding axle sleeve (02) wall thickness; The upper surface that dashes cover (23) is provided with the corresponding tapped blind hole of dull caster bed rank through hole with described die shank (21); Spring (24) is a cylindroid helical-coil compression spring; Towards core (22) middle bench body diameter, the external diameter of spring (24) is less than described cover (23) top great circle stepped hole diameter that dashes greater than described for the internal diameter of spring (24);
Be positioned at the below of die shank (21) towards core (22), link to each other with die shank (21) lower surface center fixation towards core (22) center, upper surface; Spring (24) places the great circle stepped hole that dashes cover (23), lower end towards the small stair body of core (22), pass spring (24), stretch out the lower surface that dashes cover (23) towards the roundlet stepped hole that overlaps (23) downwards, be positioned at spring (24) center towards core (22) middle bench body, dashed in the great circle stepped hole of cover (23) to pop-up by spring (24) towards the big step body of core (22); Dash between cover (23) and the die shank (21), the dull caster bed rank through hole that passes die shank (21) by hexagon socket head cap screw fixedly is screwed into the tapped blind hole that dashes cover (23), and telescopically links to each other; Towards the deep equality of the scalable distance between cover (23) and the die shank (21) with the arc transition of described burnishing-in cover die (3) lining (31); Spring (24) is when unfolding attitude, and the length of stretching out the lower surface that dashes cover (23) towards the lower ends downward of core (22) is 2/3 of moulding axle sleeve (02) length;
Described burnishing-in cover die (3) is provided with the tubular steel components of cylinder heavy wall of the lining (31) of carbide alloy for center fixation; The bottom of burnishing-in cover die is provided with the backing stepped hole that stops that lining (31) glides, and the diameter of backing stepped hole is greater than the internal diameter of lining (31), less than the external diameter of lining (31); The internal diameter of lining (31) equals the external diameter of moulding axle sleeve (02), and internal face is smooth; The upper edge hole of lining (31) inwall is provided with the smooth arc transition of one section up big and down small toroidal; The height of lining (31) is 2 times of moulding axle sleeve (02) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102012664A CN101837383B (en) | 2010-06-04 | 2010-06-04 | Squeezing device for continuous rapid shaping burnishing sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102012664A CN101837383B (en) | 2010-06-04 | 2010-06-04 | Squeezing device for continuous rapid shaping burnishing sleeve |
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| Publication Number | Publication Date |
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| CN101837383A true CN101837383A (en) | 2010-09-22 |
| CN101837383B CN101837383B (en) | 2011-07-20 |
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| CN2010102012664A Expired - Fee Related CN101837383B (en) | 2010-06-04 | 2010-06-04 | Squeezing device for continuous rapid shaping burnishing sleeve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873873A (en) * | 2012-09-28 | 2013-01-16 | 无锡新宏泰电器科技股份有限公司 | Rotary punching tool |
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| GB1260571A (en) * | 1968-06-24 | 1972-01-19 | Asea Ab | Extrusion apparatus |
| US4982592A (en) * | 1990-03-08 | 1991-01-08 | Simon Joseph A | Method of extruding channeled sleeves |
| CN1075748C (en) * | 1997-10-07 | 2001-12-05 | 邓晓光 | Hot extrusion forming technology for semi-axis sleeve |
| CN100409970C (en) * | 2006-02-22 | 2008-08-13 | 钱水忠 | Universal-joint sleeve blank cold-upsetting formation art, and equipment therefor |
| CN100431775C (en) * | 2004-03-26 | 2008-11-12 | 北京机电研究所 | Fast precise semi-axle casing extruding formation process |
| CN201217020Y (en) * | 2008-07-02 | 2009-04-08 | 万向集团公司 | Forward extrusion mould of universal-joint sleeve |
| CN201693012U (en) * | 2010-06-04 | 2011-01-05 | 宁波轴瓦厂 | Extrusion device for continuously and quickly shaping and burnishing shaft sleeves |
-
2010
- 2010-06-04 CN CN2010102012664A patent/CN101837383B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1260571A (en) * | 1968-06-24 | 1972-01-19 | Asea Ab | Extrusion apparatus |
| US4982592A (en) * | 1990-03-08 | 1991-01-08 | Simon Joseph A | Method of extruding channeled sleeves |
| CN1075748C (en) * | 1997-10-07 | 2001-12-05 | 邓晓光 | Hot extrusion forming technology for semi-axis sleeve |
| CN100431775C (en) * | 2004-03-26 | 2008-11-12 | 北京机电研究所 | Fast precise semi-axle casing extruding formation process |
| CN100409970C (en) * | 2006-02-22 | 2008-08-13 | 钱水忠 | Universal-joint sleeve blank cold-upsetting formation art, and equipment therefor |
| CN201217020Y (en) * | 2008-07-02 | 2009-04-08 | 万向集团公司 | Forward extrusion mould of universal-joint sleeve |
| CN201693012U (en) * | 2010-06-04 | 2011-01-05 | 宁波轴瓦厂 | Extrusion device for continuously and quickly shaping and burnishing shaft sleeves |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873873A (en) * | 2012-09-28 | 2013-01-16 | 无锡新宏泰电器科技股份有限公司 | Rotary punching tool |
| CN102873873B (en) * | 2012-09-28 | 2015-11-18 | 无锡新宏泰电器科技股份有限公司 | A kind of spinning tool |
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| Publication number | Publication date |
|---|---|
| CN101837383B (en) | 2011-07-20 |
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