CN104801606B - Conical surface drawing die for retainer forming technology - Google Patents
Conical surface drawing die for retainer forming technology Download PDFInfo
- Publication number
- CN104801606B CN104801606B CN201510189545.6A CN201510189545A CN104801606B CN 104801606 B CN104801606 B CN 104801606B CN 201510189545 A CN201510189545 A CN 201510189545A CN 104801606 B CN104801606 B CN 104801606B
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- CN
- China
- Prior art keywords
- conical surface
- slide block
- taper
- retainer
- forming technology
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/10—Making other particular articles parts of bearings; sleeves; valve seats or the like
- B21D53/12—Making other particular articles parts of bearings; sleeves; valve seats or the like cages for bearings
Abstract
The invention relates to a conical surface drawing die for retainer forming technology. The conical surface drawing die comprises a base, a plurality of drawing and expansion slide blocks and a conical push block, wherein the conical push block sequentially comprises a frustum-shaped drawing and expansion part and a columnar guide part in a coaxial way; a guide hole is formed in the center of the base; a shaft of the conical push block is glidingly connected with the interior of the guide hole through the guide part; the drawing and expansion slide blocks are uniformly distributed around the guide hole in the upper end of the base along the circumference direction, and are glidingly connected with the base along the radial direction of the guide hole; one end of each drawing and expansion slide block is abutted against the drawing and expansion part of the conical push block. The conical surface drawing die has the beneficial effects that the new processing technology of a retainer is well matched, so a circular pipe-shaped workpiece can be formed into a conical pipe-shaped workpiece by one step in the new process, the workpiece can be automatically centered on the die, the operation is simple and convenient, and the efficiency is high; as the workpiece can be stably positioned and is uniformly stressed on the die, the drawn workpiece has higher processing accuracy.
Description
Technical field
The present invention relates in the conical surface stretching technique in retainer moulding process, more particularly to a kind of retainer forming technology
Conical surface drawing die.
Background technology
The processing method of retainer has the drawback that, first that material cutting is circular, discarded leftover pieces
It is many, make waste of material serious, utilization rate of raw materials is low, only 12-25%;The structure for designing need to be realized by machining, both
Increase power consumption increases material consumption again, while also increasing the holding time of manufacture course of products, makes low production efficiency, cost of manufacture
It is high.
If the improvement carried out for raw material cutting shape and a kind of new processing technique is provided, it is necessary to corresponding mould
Tool is coordinated.For example by raw material cutting rectangular in form first, this greatly reduces can discarded leftover pieces, wherein being accomplished by
Conical surface drawing die.
The content of the invention
It is an object of the invention to provide in a kind of machining process new in retainer, entering to retainer workpiece
The matching die of row conical surface stretching.
For achieving the above object, the conical surface drawing die in retainer forming technology of the present invention, including base, drawing
Rise slide block and taper pushing block, and the drawing of the taper type that the taper pushing block sets gradually including coaxial line is risen the guiding of portion and cylindricality
Portion, the base center is provided with pilot hole, and taper pushing block is slidably connected in the pilot hole by the guide part, if
Dry drawing pilot hole of the slide block along base upper end that rise is circumferential uniform, and is radially slidably connected on base along pilot hole,
And one end is closely against the drawing of taper pushing block and rises in portion.
In order that mould is in drawing process, energy self-return, the conical surface drawing die also includes return spring, the return
The spring connection drawing is risen slide block, makes some drawings rise by slide block while the drawing for being closely against taper pushing block is risen in portion, and by return spring
The elastic potential energy that deformation is produced makes drawing rise by slide block to the slip of taper hole center position.
In order to ensure to draw slip of the slide block on mold base of rising, if being provided with uniform around pilot hole in base upper end
Dry radial groove, some drawings slide block that rises is slidably connected at respectively in chute described in corresponding.
One is preferably drawn the slide block plan of establishment of rising to be that slide block radially inner side end of rising will be drawn to be provided with the extension section of projection, should
The radially inner side end face of extension section and end face outside respectively with the extension section radially inner side end face and end face outside on respectively with cone
The drawing of the taper type of shape pushing block rise portion and retainer absorption surface connection.
In order to sufficiently be stretched to workpiece, the die drawn portion radially inner side end face is provided with and taper pushing block frustum
The inner conical surface that the conical surface that the drawing of shape is risen in portion is adapted, end face outside is provided with the male cone (strobilus masculinus) being adapted with the retainer conical surface.Drawing is risen
Slide block carries out the transmission of radial motion by the conical surface that the drawing that the inner conical surface is resisted against taper pushing block taper type is risen in portion, and leads to
Cross male cone (strobilus masculinus) to stretch retainer workpiece.
In order to carry out necessary positioning to mould, the radial outside end face of the extension section is provided with for rabbeting retainer
The groove of upper rib, the male cone (strobilus masculinus) is arranged in the groove bottom of the groove.
In order to carry out automatic centring to workpiece, the extension section downside is that edge draws the slide block radial dimension that rises gradually greatly and gradually high
Inclined-plane.
One preferred return spring plan of establishment is to connect at return spring two ends to be formed be set in after ring-type circumferential point
Some drawings of cloth are risen slide block radial outside end, and are connected with the return spring on correspondence position.
One preferred to draw the slide block that rises to be with the connection scheme of return spring, by the return on connecting rod and correspondence position
Spring connects.
In order to ensure the Uniform Tension of return spring, connecting rod one end is fixedly connected on the radial outside end for drawing the slide block that rises
On face, one end is annulus, and the return spring on the correspondence position is connected in the annulus.
The beneficial effect of conical surface drawing die of the present invention is:The new processing technique of retainer is well matched with, has been made new
Tubular workpiece in the course of processing can one-shot forming be cone shaped workpiece, and by rising by slide block in drawing on inclined-plane is set,
Workpiece energy alignment automatically on mould is made, so that easy to operate, efficiency high;Simultaneously using between two roller holes on workpiece
Rib makes workpiece stable position and stress equalization on mould with the cooperation of mould upper groove, while can guarantee that required processing essence
Degree.
Description of the drawings
Fig. 1 is the structural representation of conical surface drawing die
Fig. 2 is the top view of mould shown in Fig. 1.
Fig. 3 is mold base top view.
When Fig. 4 is that workpiece is in initial position, the A1 position profile schematic diagrams shown in Fig. 4.
Fig. 5 is in workpiece drawing process, in A1 position profile schematic diagrams shown in Fig. 4.
Fig. 6 is the A2 position profile schematic diagrams shown in Fig. 5.
In figure:1 is to maintain the conical surface drawing die in frame forming technology, and 11 is spring, and 12 is to draw the slide block that rises, and 121 is to draw
Rise sliding block pull portion, 1211 is the detent for drawing sliding block pull portion of rising, and 13 is taper pushing block, and 131 is taper pushing block taper type
Drawing rise portion, 132 is the guide part of taper pushing block cylindricality, and 14 is base, and 15 is connecting rod, and 2 is workpiece, and 21 is on workpiece
Muscle.
Specific embodiment
The present invention is for the mould in a kind of brand-new retainer processing technique.The new technology is will to make first
The steel plate for making retainer is cut into rectangle billot, and the square opening for placing roller is gone out on rectangle billot, then will be complete
Billot with holes into punching is wound into circular tube shaped, and abutment joint is welded, and forms circular pipe workpiece with holes, then by the circular pipe workpiece
By the conical surface of the retainer of the conical surface drawing die of present invention conical surface needed for stretched.Specifically bore with reference to providing one
Face drawing die is next, and the present invention is described further.
As Fig. 1,2, the mould mainly rises by slide block 12 by base 14, drawing and taper pushing block 13 is constituted.Taper pushing block is divided into together
The drawing of two parts that axis sets gradually, respectively taper type is risen the guide part 132 of portion 131 and cylindricality, the wherein bottom of mould
Seat 14 is truncated cone-shaped, and in the center of base 14 pilot hole 141 is provided with, and the pilot hole is the cylindrical hole through base 14, taper
Pushing block 13 is arranged in the pilot hole 141, and frustum type drawing rises by portion 131 can in pilot hole under the drive of cylindricality guide part 132
Move up and down vertically, draw the slide block 12 that rises to radially slide along the upper surface of base 14.
Such as Fig. 3, the upper surface of base 14 is provided with uniform some radial grooves 142 around pilot hole 141, if corresponding
In the dry chute 142 for drawing the slide block 12 that rises respectively slidably to be connected on base 14, drawing is set to rise by slide block 12 along the upper end of base 14
The circumference of taper hole is uniform.
Such as Fig. 4, the upper end side of slide block 12 of rising is drawn to be provided with the extension section 121 of projection, the radial inner end face of the extension section 121 sets
Have and rise the inner conical surface that the conical surface in portion 131 is adapted with the drawing of the taper type on taper pushing block 13, when taper pushing block 13 axially upwards
When mobile, by drawings of the taper type of taper pushing block 13 rise portion 131 the conical surface to drawing the pushing and pressing of the inner conical surface of the slide block 12 that rises, make some
Drawing rises by slide block 12 simultaneously to radial outside slip.The radial outer end face for drawing the extension section 121 of the slide block 12 that rises is provided with and retainer
The male cone (strobilus masculinus) of the identical taper of the upper conical surface, drawing rise slide block 12 slide to radial outside when, the rib on male cone (strobilus masculinus) pushing and pressing workpiece
(The rib is the spacer bar on retainer between two adjacent trapezoidal holes), conical surface stretching is carried out to workpiece.
One preferred scheme is that the circumferential uniform drawing quantity of slide block 12 that rises is corresponding with the rib 21 on workpiece 2, so
Make workpiece 2 stretching when stress evenly.
Such as Fig. 6, a preferred scheme is to arrange groove on the radial outer end face of extension section 121 for drawing the slide block 12 that rises
1211, the width phase of its further groove 1211 is adapted to the rib width on workpiece 2, and the groove bottom of groove 1211 is described outer cone
Face.When placing workpiece 2, the rib 21 on workpiece 2 is embedded in groove 1211, the bottom land of male cone (strobilus masculinus) is used for the muscle on workpiece 2
The conical surface stretching of bar 21, due to the effect of groove, workpiece is not relatively rotated with mould during stretching, makes stretching more stable.
Adding man-hour automatically at mould Shang Dui centers of the invention in the drawing for drawing the slide block 12 that rises for the ease of retainer workpiece
The downside of extending portion 121 arranges inclined-plane 122, and the inclined-plane is the inclined-plane gradually risen along the radial direction radiation direction of its placement location, thus,
Drawing rise slide block 12 along base axial section shape in one sleep down it is hook-shaped.When workpiece is placed on mould, workpiece is along inclined-plane
122 to mold center slides, and is uniform along mold center due to drawing the slide block 12 that rises, so in the presence of the inclined-plane, workpiece
Can automatically rapidly at mould Shang Dui centers.
In order that draw the slide block 12 that rises to be closely against taper pushing block 13, and after completing to draw the slip risen can self-return, this
Invention is additionally provided with return spring 11, and spring 11 can have various with the connected mode for drawing the slide block 12 that rises, for example will be adjacent two-by-two
Drawing rise slide block 12 in circumferential direction with a spring connect;Also can be risen slide block with all of drawing of annular in shape spring connection
12, the present embodiment connects to form ring-spring using two ends, and the spring is set in into circumferentially uniform drawing rises the outer of slide block
Side, and be connected one by one with the slide block that rises of the drawing on correspondence position, such as Fig. 1.It is each to draw the slide block that rises for the ease of being connected with spring
Outboard end is provided with connecting rod 15, and the one end of connecting rod 15 is fixed on drawing and rises on slide block, and its free end makes annulus, and to wear spring is connect
11, spring 11 can slide with respect to the annulus of the end of connecting rod 15, can so make each section of stretching of spring 11 uniform.
When above-mentioned drawing die works, the drawing of the taper type of taper pushing block 13 is risen the pushing away by guide part 132 in portion 131
Dynamic, moving up through rise the rise inner conical surface of slide block 12 of conical surface pushing and pressing drawing in portion 131 of drawings of taper type makes it gradually big to footpath diameter
Direction is moved, and spring 11 is constantly stretched, and now the rib of workpiece bottom is by the male cone (strobilus masculinus) on extension section 121 on the slide block 12 that rises
Radial drawing, workpiece 2 is stretched to the required size conical surface, makes circular pipe workpiece with holes become Taper Pipe workpiece with holes, such as Fig. 5, when
During taper 13 downward returning movement of pushing block, under the resilience force effect of spring 11, drawing is risen, and slide block 12 to footpath diameter, gradually move by little direction
It is dynamic, initial position is returned to, complete drawing work process.
Claims (9)
1. the conical surface drawing die in a kind of retainer forming technology, it is characterised in that:Rise by slide block including base, drawing and taper is pushed away
Block, the drawing of the taper type that the taper pushing block sets gradually including coaxial line is risen the guide part of portion and cylindricality, and the drawing is risen slide block
Radially inner side end is provided with the extension section of projection, and the extension section downside is that the gradually greatly and gradually high inclined-plane of slide block radial dimension that rises is drawn on edge,
The base center is provided with pilot hole, and taper pushing block is slidably connected in the pilot hole by the guide part, some
It is described to draw pilot hole of the slide block along base upper end that rise circumferential uniform, and be radially slidably connected on base along pilot hole, and
One end is closely against the drawing of taper pushing block and rises in portion.
2. the conical surface drawing die in retainer forming technology according to claim 1, it is characterised in that:The conical surface draws
Stretching mould also includes return spring, and the return spring connection drawing is risen slide block, makes some drawings rise by slide block while being closely against taper
The drawing of pushing block is risen in portion, and the elastic potential energy produced from return spring deformation makes drawing rise by slide block to the slip of taper hole center position.
3. the conical surface drawing die in retainer forming technology according to claim 1 and 2, it is characterised in that:The bottom
Seat upper end is provided with uniform some radial grooves around pilot hole, and some drawings slide block that rises is slidably connected at respectively a corresponding institute
In stating chute.
4. the conical surface drawing die in retainer forming technology according to claim 2, it is characterised in that:The extension section
Radially inner side end face and end face outside respectively with the extension section radially inner side end face and end face outside on respectively with taper pushing block
Taper type drawing rise portion and retainer absorption surface connection.
5. the conical surface drawing die in retainer forming technology according to claim 4, it is characterised in that:The extension section
Radially inner side end face is provided with the inner conical surface that the conical surface risen in portion with the drawing of taper pushing block taper type is adapted, end face outside be provided with
The male cone (strobilus masculinus) that the retainer conical surface is adapted, draws the slide block that rises to rise in portion by the drawing that the inner conical surface is resisted against taper pushing block taper type
The conical surface carry out the transmission of radial motion, and retainer workpiece is stretched by male cone (strobilus masculinus).
6. the conical surface drawing die in retainer forming technology according to claim 5, it is characterised in that:The extension section
Radial outside end face be provided with groove for rabbeting rib on retainer, the male cone (strobilus masculinus) is arranged on the groove bottom of the groove
On.
7. the conical surface drawing die in retainer forming technology according to claim 2, it is characterised in that:The return bullet
Spring two ends connect to be formed and circumferentially distributed some drawings are set in after ring-type rise slide block radial outside end, and with correspondence position on return
Position spring connection.
8. the conical surface drawing die in retainer forming technology according to claim 7, it is characterised in that:It is described to draw the cunning that rises
Block is connected by connecting rod with the return spring on correspondence position.
9. the conical surface drawing die in retainer forming technology according to claim 8, it is characterised in that:The connecting rod
One end is fixedly connected on the radial outside end face for drawing the slide block that rises, and one end is annulus, and the return spring on the correspondence position is worn
In being connected to the annulus.
Priority Applications (1)
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CN201510189545.6A CN104801606B (en) | 2015-04-20 | 2015-04-20 | Conical surface drawing die for retainer forming technology |
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CN201510189545.6A CN104801606B (en) | 2015-04-20 | 2015-04-20 | Conical surface drawing die for retainer forming technology |
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CN104801606A CN104801606A (en) | 2015-07-29 |
CN104801606B true CN104801606B (en) | 2017-04-19 |
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CN105689591B (en) * | 2016-04-14 | 2017-07-07 | 浙江固耐橡塑科技有限公司 | The one time punching molded mould of retainer ball pocket |
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JP3441317B2 (en) * | 1996-10-21 | 2003-09-02 | 大和製罐株式会社 | Method for producing deformed metal can having irregular pattern on body |
JP2001191136A (en) * | 2000-01-07 | 2001-07-17 | Nagoya Lighthouse | Forming device foe elliptic tapered metallic can body |
CN101298089A (en) * | 2007-04-30 | 2008-11-05 | 张家港市合丰机械制造有限公司 | Pipe-expansion mold |
CN201783571U (en) * | 2009-07-08 | 2011-04-06 | 富奥汽车零部件股份有限公司 | Shock absorber oil storage cylinder convex hull bulging mould |
CN102009565A (en) * | 2010-11-03 | 2011-04-13 | 杭州润德车轮制造有限公司 | Steel ring integral wheel rim |
CN202155441U (en) * | 2011-06-13 | 2012-03-07 | 大连船舶重工集团有限公司 | Flaring unit of automatic flaring machine for stainless steel pipe fitting joints |
CN202427849U (en) * | 2011-12-27 | 2012-09-12 | 成都飞机工业(集团)有限责任公司 | Pipe flaring device |
CN202963258U (en) * | 2012-12-10 | 2013-06-05 | 成都飞机工业(集团)有限责任公司 | Flaring device universally used for conduits |
CN204638893U (en) * | 2015-04-20 | 2015-09-16 | 江苏省社渚轴承有限公司 | Conical surface drawing die in retainer forming technology |
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